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17-1 (Revised 5/11) Title 17 CONSTRUCTION CODES Chapters: 17.01 International Building Code 17.02 International Residential Code 17.03 International Mechanical Code 17.04 National Fuel Gas Code (NFPA 54) 17.05 Liquefied Petroleum Gas Code (NFPA 58) 17.06 International Fuel Gas Code 17.07 International Fire Code 17.08 Uniform Plumbing Code 17.09 Washington State Energy Code 17.10 Repealed 17.11 Uniform Code for the Abatement of Dangerous Buildings 17.12 Uniform Housing Code 17.13 National Electrical Code 17.14 Construction Administrative Code 17.15 General Provisions 17.16 Automatic Fire-Sprinkler Systems Attachment 6

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17-1 (Revised 5/11)

Title 17

CONSTRUCTION CODES

Chapters:17.01 International Building Code17.02 International Residential Code17.03 International Mechanical Code17.04 National Fuel Gas Code (NFPA 54)17.05 Liquefied Petroleum Gas Code (NFPA 58)17.06 International Fuel Gas Code17.07 International Fire Code17.08 Uniform Plumbing Code17.09 Washington State Energy Code17.10 Repealed17.11 Uniform Code for the Abatement of Dangerous Buildings17.12 Uniform Housing Code17.13 National Electrical Code17.14 Construction Administrative Code17.15 General Provisions17.16 Automatic Fire-Sprinkler Systems

Attachment 6

Attachment 6

Mercer Island City Code 17.01.020

17-3 (Revised 5/11)

Chapter 17.01

INTERNATIONAL BUILDING CODE

Sections:17.01.010 Adoption.17.01.020 Amendments and additions.

17.01.010 Adoption.The 2009 Edition of the International Build-

ing Code (IBC), as adopted and amended bythe State Building Code Council in Chapter51-50 WAC, as published by the InternationalCode Council, excluding Chapter 1, Adminis-tration, is adopted by reference, together withthe following amendments and additions. TheConstruction Administrative Code, as set forthin Chapter 17.14 MICC, shall be used in placeof IBC Chapter 1, Administration.

The following appendices of the 2009 Edi-tion of the International Building Code are alsoadopted by reference: Appendix E – Supple-mentary Accessibility Requirements, andAppendix H – Signs.

The 2009 International Existing BuildingCode (IEBC) is included in the adoption of theInternational Building Code as provided byIBC Section 3401.5 and amended in WAC 51-50-480000, excluding Chapter 1, Part 2 –Administration. The Construction Administra-tive Code, as set forth in Chapter 17.14 MICC,shall be used in place of IEBC Chapter 1, Part2 – Administration.

Exceptions. The provisions of this code donot apply to temporary growing structuresused solely for the commercial production ofhorticultural plants including ornamentalplants, flowers, vegetables, and fruits. “Tem-porary growing structure” means a structurethat has the sides and roof covered with poly-ethylene, polyvinyl, or similar flexible syn-thetic material and is used to provide plantswith either frost protection or increased heatretention. A temporary growing structure isnot considered a building for purposes of thiscode.

The provisions of this code do not apply tothe construction, alteration, or repair of tempo-rary worker housing except as provided by ruleadopted under Chapter 70.114A RCW or

Chapter 37, Laws of 1998 (SB 6168). “Tempo-rary worker housing” means a place, area, orpiece of land where sleeping places or housingsites are provided by an employer for his or heremployees or by another person, including atemporary worker housing operator, who isproviding such accommodations for employ-ees, for temporary, seasonal occupancy, andincludes “labor camps” under RCW70.54.110. (Ord. 10C-03 § 1; Ord. 07C-04 § 1;Ord. 04C-12 § 4).

17.01.020 Amendments and additions.A. IBC Section 312.1 Amended – Utility

and Miscellaneous Group U, General. Section312.1 of the International Building Code ishereby amended to read as follows:

Section 312.1 – General. Buildingsand structures of an accessory charac-ter and miscellaneous structures notclassified in any specific occupancyshall be constructed, equipped andmaintained to conform to the require-ments of this code commensurate withthe fire and life hazard incidental totheir occupancy. Group U shall in-clude, but not be limited to, the follow-ing:

Agricultural buildings

Aircraft hangars, accessory to a one-or two-family residence (see Section412.5)

Barns

Carports

Fences more than 6 feet (1,829 mm)high

Grain silos, accessory to a residentialoccupancy

Greenhouses

Livestock shelters

Attachment 6

(Revised 5/11) 17-4

17.01.020

Private garages

Retaining walls

Sheds

Stables

Tanks

Towers

Waterfront structures

B. IBC Section 405.8 Amended – Under-ground Buildings, Standby Power. Section405.8 of the International Building Code ishereby amended to read as follows:

Section 405.8 – Standby power. Astandby power system complying withSection 2702 shall be provided forstandby power loads specified in Sec-tion 405.8.1. Fuel-fired emergencygenerator sets and associated fuelstorage, including optional generatorsets, located more than 30 feet belowthe lowest level of exit discharge re-quires the approval of the Fire CodeOfficial.

C. IBC Section 501.2 Amended – GeneralBuilding Heights and Areas, General, Pre-mises Identification. Section 501.2 of theInternational Building Code is herebyamended to read as follows:

Section 501.2 – Address identification.New and existing buildings shall beprovided with approved address num-bers or letters. Each character shall bea minimum 6 inches (152 mm) inheight and minimum stroke of 0.5 inch(12.7 mm) wide. They shall be installedon a contrasting background and shallbe provided in such a position as to beclearly visible and legible from thestreet or roadway fronting the property.Where access is by means of a privateroad and the building address cannot

be viewed from the public way, a mon-ument, pole or other approved sign ormeans shall be used to identify thestructure.

D. Repealed by Ord. 10C-03.E. Repealed by Ord. 10C-03.F. IBC Section 3111 Revised – Waterfront

Structures. Section 3111 of the InternationalBuilding Code is hereby added to read as fol-lows:

SECTION 3111 – WATERFRONTSTRUCTURES

Section 3111.1 General. In addition toother requirements of this code, all wa-terfront structures including but notlimited to docks, piers, wharves, floats,mooring piles, anchor buoys, bulk-heads, submerged or overhead wires,pipes, and cables, and any objectpassing beneath, through or over thewater beyond the line of ordinary highwater shall comply with the regulationsof this section.

Section 3111.2 Approvals required.Before any permit for a new waterfrontstructure or revisions to an existing wa-terfront structure is issued by the build-ing official, the applicant shall obtainprior approval from all applicable stateand federal agencies.

Section 3111.3 Definitions. For thepurposes of this section, certain termsare defined as follows:

BULKHEAD. A retaining wall or ero-sion-control structure along a water-front.

COVERED WATERFRONT STRUC-TURE. Any waterfront structure cov-ered in whole or in part by a roof.

COVERED WATERFRONT STRUC-TURE BUILDING AREA. The area ly-

Attachment 6

Mercer Island City Code 17.01.020

17-5 (Revised 5/11)

ing directly beneath the portion of astructure covered by a roof.

SUBSTRUCTURE. That portion of theconstruction of a dock, pier, wharf orother similar waterfront structure be-low and including the deck.

SUPERSTRUCTURE. That portion ofthe construction of a dock, pier, wharfor other similar waterfront structureabove the deck.

Section 3111.4 Construction Require-ments. Waterfront structures shallcomply with Sections 3111.4.1 through3111.4.3.

Section 3111.4.1 Substructure. Thesubstructure may be constructed ofany materials allowed by this code. Alldecks shall sustain, within the limita-tions of this code, all dead loads plus alive load of not less than 100 poundsper square foot, assumed to act verti-cally. In addition to the live load re-quirement, all structures and everyportion thereof shall be designed andconstructed to resist a horizontal forceof not less than 100 pounds per linealfoot acting at the deck line, in any di-rection.

Exception: For waterfront structuresserving only a single dwelling, a liveload of 40 psf may be used and a hor-izontal force need only be consideredwhere applicable.

Section 3111.4.2 Superstructure. Thesuperstructure shall be designed andconstructed to sustain all dead loads,live loads, and wind loads required bythis code, and shall be constructed ofany materials allowed by this code, ex-cept when the building area of a cov-ered waterfront structure exceeds1,000 square feet the entire super-structure and deck shall be construct-ed of noncombustible materials or as

required for Type IV-HT Constructionper IBC Section 602.4.

Section 3111.4.3 Hardware. All hard-ware used structurally shall be of a cor-rosive-resistant metal such asaluminum, brass, copper, and stain-less steel, or be completely protectedby an approved corrosion-resistantmetal, such as zinc.

G. IBC Appendix H, Section H101.3,Added – Signs, General, Conflict with MercerIsland City Code. Appendix H, SectionH101.3 of the International Building Code ishereby added to read as follows:

Section H101.3, Conflict with MercerIsland City Code. If any provisions ofIBC Appendix H are in conflict with anyprovisions of the Mercer Island CityCode, the applicable provisions of theMercer Island City Code shall govern.

(Ord. 10C-03 § 1; Ord. 07C-04 § 2; Ord. 04C-12 § 4).

Attachment 6

(Revised 5/11) 17-6

17.02.010

Chapter 17.02

INTERNATIONAL RESIDENTIAL CODE

Sections:17.02.010 Adoption.17.02.020 Amendments and additions.

17.02.010 Adoption. The 2009 Edition of the International Resi-

dential Code (IRC), as adopted and amendedby the State Building Code Council in Chapter51-51 WAC, as published by the InternationalCode Council, is adopted by reference with thefollowing additions, deletions and exceptions:Provided that Chapter 1, Administration, is notadopted and the Construction AdministrativeCode, as set forth in Chapter 17.14 MICC,shall be used in place of IRC Chapter 1,Administration. Provided that Chapters 11 and25 through 43 of the International Residential

Code are not adopted. Provided that the energycode is regulated by Chapter 51-11 WAC; theplumbing code is regulated by Chapters 51-56and 51-57 WAC; the electrical code is regu-lated as adopted by MICC 17.13.020. Providedthat the standards for liquefied petroleum gasinstallations shall be NFPA 58 (LiquefiedPetroleum Gas Code) and NFPA 54 (NationalFuel Gas Code). Provided that all other fuelgas installations shall be regulated by the Inter-national Mechanical Code and InternationalFuel Gas Code. Provided that Appendix G –Swimming Pools, Spas and Hot Tubs, andAppendix R – Dwelling Unit Fire SprinklerSystems, are adopted. (Ord. 10C-03 § 2; Ord.07C-04 § 3; Ord. 04C-12 § 4).

17.02.020 Amendments and additions. A. IRC Table R301.2(1) Amended. Inter-

national Residential Code Table R301.2(1) ishereby amended to read as follows:

a When using this roof snow load it will be left to the engineer’s judgment whether to consider drift or slidingsnow. However, rain on snow surcharge of 5 psf must be considered for roof slopes less than 5 degrees.

b Wind exposure category and Wind Speed-up (Kzt) factor shall be determined on a site-specific basis bythe Engineer of Record.

c From IRC Table 301.2(1).d Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the struc-

tural requirements of this code. The grade of masonry units shall be determined from ASTM C 34, C 55, C62, C 73, C 90, C 129, C 145, C 216 or C 652.

e The City of Mercer Island participates in the National Flood Insurance Program (NFIP); Regular Program(No Special Flood Hazard Area). Further NFIP participation information: CID 530083, Initial FHBM Identi-fied 06/28/74, Initial FIRM Identified 05/16/95, Current Effective Map Date (NSFHA), Reg-Emer Date06/30/97.

(Ord. 10C-03 § 2).

IRC Table R301.2(1)Climatic and Geographic Design Criteria

Roof Snow Loada

Wind Speedb

Seismic Design

Categoryc

Subject to Damage From: Outside Design Temp –

Heat/Cool

Ice Barrier Under-layment

Required

Flood Hazardse

Air Freezing

Index

Mean Annual TempWeatheringd

Frost Line

Depth

Termite Decay

25 psf 85 mph D2 Moderate 12" Slight to Moderate

24ºF/83ºF No N/A 113 53ºF

Attachment 6

Mercer Island City Code 17.04.010

17-7 (Revised 5/11)

Chapter 17.03

INTERNATIONAL MECHANICAL CODE

Sections:17.03.010 Adoption.

17.03.010 Adoption.The 2009 Edition of the International

Mechanical Code (IMC), as adopted andamended by the State Building Code Councilin Chapter 51-52 WAC, as published by theInternational Code Council, is adopted by ref-erence with the following additions, deletionsand exceptions: Provided that Chapter 1,Administration, is not adopted and the Con-struction Administrative Code, as set forth inChapter 17.14 MICC, shall be used in place ofIMC Chapter 1, Administration. Provided thatthe installation of fuel gas distribution pipingand equipment, fuel gas-fired appliances andfuel gas-fired appliance venting systems shallbe regulated by the International Fuel GasCode. Provided that detached one- and two-family dwellings and multiple single-familydwellings (townhouses) not more than threestories high with separate means of egress andtheir accessory structures shall comply withthe International Residential Code. Providedthat the standards for liquefied petroleum gasinstallations shall be the 2008 Edition ofNFPA 58 (Liquefied Petroleum Gas Code) andthe 2009 Edition of ANSI Z223.1/NFPA 54(National Fuel Gas Code). (Ord. 10C-03 § 3;Ord. 07C-04 § 4; Ord. 04C-12 § 4).

Chapter 17.04

NATIONAL FUEL GAS CODE (NFPA 54)

Sections:17.04.010 Adoption.

17.04.010 Adoption.The 2009 Edition of the National Fuel Gas

Code (ANSI Z223.1/NFPA 54), as adopted bythe State Building Code Council in Chapter51-52 WAC, as published by NFPA, isadopted by reference. The ConstructionAdministrative Code, as set forth in Chapter17.14 MICC, shall be applied for the adminis-tration of this code. (Ord. 10C-03 § 4; Ord.07C-04 § 5; Ord. 04C-12 § 4).

Attachment 6

(Revised 5/11) 17-8

17.05.010

Chapter 17.05

LIQUEFIED PETROLEUM GAS CODE (NFPA 58)

Sections:17.05.010 Adoption.

17.05.010 Adoption. The 2008 Edition of the Liquefied Petro-

leum Gas Code (NFPA 58), as adopted by theState Building Code Council in Chapter 51-52WAC, as published by NFPA, is adopted byreference. The Construction AdministrativeCode, as set forth in Chapter 17.14 MICC,shall be applied for the administration of thiscode. (Ord. 10C-03 § 5; Ord. 07C-04 § 6; Ord.04C-12 § 4).

Chapter 17.06

INTERNATIONAL FUEL GAS CODE

Sections:17.06.010 Adoption.

17.06.010 Adoption. The 2009 Edition of the International Fuel

Gas Code (IFGC), as adopted by the StateBuilding Code Council in Chapter 51-52WAC, as published by the International CodeCouncil, excluding Chapter 1, Administration,is adopted by reference. The ConstructionAdministrative Code, as set forth in Chapter17.14 MICC, shall be used in place of IFGCChapter 1, Administration. (Ord. 10C-03 § 6;Ord. 07C-04 § 7; Ord. 04C-12 § 4).

Attachment 6

Mercer Island City Code 17.07.020

17-9 (Revised 5/11)

Chapter 17.07

INTERNATIONAL FIRE CODE

Sections:17.07.010 Adoption.17.07.020 Amendments and additions.

17.07.010 Adoption.The 2009 Edition of the International Fire

Code (IFC), as adopted and amended by theState Building Code Council in Chapter 51-54WAC, as published by the International CodeCouncil, excluding WAC 51-54-0500, Chap-ter 5, Fire Service Features, is adopted by ref-erence, together with the amendments andadditions set forth below.

The following appendices of the 2009 Edi-tion of the International Fire Code are alsoadopted by reference: Appendix B – Fire-FlowRequirements for Buildings; Appendix C –Fire Hydrant Locations and Distribution; andAppendix D – Fire Apparatus Access Roads.

The 2009 International Wildland UrbanInterface Code is included in this code as Sec-tion 4800 with amendments found in Appen-dix Chapter K.

Exceptions. The provisions of this code donot apply to temporary growing structuresused solely for the commercial production ofhorticultural plants including ornamentalplants, flowers, vegetables, and fruits. “Tem-porary growing structure” means a structurethat has the sides and roof covered with poly-ethylene, polyvinyl, or similar flexible syn-thetic material and is used to provide plantswith either frost protection or increased heatretention. A temporary growing structure isnot considered a building for purposes of thiscode.

The provisions of this code do not apply tothe construction, alteration, or repair of tempo-rary worker housing except as provided by ruleadopted under Chapter 70.114A RCW orChapter 37, Laws of 1998 (2SSB 6168).“Temporary worker housing” means a place,area, or piece of land where sleeping places orhousing sites are provided by an employer forhis or her employees or by another person,including a temporary worker housing opera-

tor, who is providing such accommodationsfor employees, for temporary, seasonal occu-pancy, and includes “labor camps” underRCW 70.54.110. The manufacture, storage,handling, sale and use of fireworks shall begoverned by Chapter 70.77 RCW and byChapter 212-17 WAC and local ordinancesconsistent with Chapter 212-17 WAC. (Ord.10C-03 § 7; Ord. 07C-04 § 8; Ord. 04C-12§ 4).

17.07.020 Amendments and additions.A. IFC Section 102.6 Amended – Applica-

bility, Referenced Codes and Standards. Sec-tion 102.6 of the International Fire Code ishereby amended to read as follows:

Section 102.6 Referenced codes andstandards. The codes and standardsreferenced in this code shall be thosethat are listed in Chapter 45. Suchcodes and standards shall be consid-ered part of the requirements of thiscode to the prescribed extent of eachsuch reference as determined or mod-ified by the fire code official. Where dif-ferences occur between the provisionsof this code and the referenced stan-dards, the provisions of this code shallapply.

B. IFC Section 104.10.1 Amended – Gen-eral Authority and Responsibilities, Assistancefrom Other Agencies. Section 104.10.1 of theInternational Fire Code is hereby amended toread as follows:

Section 104.10.1 Assistance from oth-er agencies. Police and other enforce-ment agencies shall have authority torender necessary assistance in the in-vestigation of fires or the enforcementof this code when requested to do soby the fire code official.

C. IFC Section 104.11.2 Amended – Gen-eral Authority and Responsibilities, Obstruct-ing Operations. Section 104.11.2 of theInternational Fire Code is hereby amended toread as follows:

Attachment 6

(Revised 5/11) 17-10

17.07.020

Section 104.11.2 Obstructing opera-tions. No person shall obstruct the op-erations of the fire department inconnection with extinguishment, con-trol, or investigation of any fire, or ac-tions relative to other emergencies, ordisobey any lawful command of the firechief or officer of the fire department incharge of the emergency, or any partthereof, or any lawful order of a policeofficer assisting the fire department.

D. IFC Section 105.1.4 Added – Permits,Construction Permit Fees. Section 105.1.4 ofthe International Fire Code is hereby added toread as follows:

Section 105.1.4 Construction permitfees. Fees will be assessed for eachconstruction permit issued under thisCode. Fees shall be established byresolution of the city council.

E. IFC Section 105.1.5 Added – Permits,Operational Permit Fees. Section 105.1.5 ofthe International Fire Code is hereby added toread as follows:

Section 105.1.5 Operational permitfees. Fees may be charged annuallyfor each type of operational permit.Fees shall be established by resolutionof the city council.

F. IFC Section 105.7.13 Added – Emer-gency Power Supply Systems. Section105.7.13 of the International Fire Code ishereby added to read as follows:

Section 105.7.13 Emergency PowerSupply Systems. A construction permitis required for the installation of a re-quired emergency power supply sys-tem that provides emergency powerfor any life safety device or system. Ex-amples as follows but not limited to el-evators, escalators, systems toprevent explosions or detonations, lifemaintaining medical systems, etc.

G. IFC Section 108.1 Amended – Board ofAppeals, Board of Appeals Established. Sec-tion 108.1 of the International Fire Code ishereby amended to read as follows:

Section 108.1 General. In order to hearand decide appeals of orders, deci-sions or determinations made by thefire code official relative to the applica-tion and interpretation of the Interna-tional Fire Code, there shall be abuilding board of appeals as estab-lished in MICC Chapter 3.28.

H. IFC Section 108.2 Amended – Board ofAppeals, Limitations on Authority. Section108.2 of the International Fire Code is herebyamended to read as follows:

Section 108.2 Limitations on authority.An application for appeal shall bebased on a claim that the true intent ofthe International Fire Code or the ruleslegally adopted thereunder have beenincorrectly interpreted, the provisionsof the International Fire Code do notfully apply or an equally good or betterform of construction is proposed. Thebuilding board of appeals shall have noauthority relative to interpretation ofthe administrative provisions of the In-ternational Fire Code nor shall theboard be empowered to waive require-ments of the International Fire Codewhich are the codes, appendices andreferenced code standards adopted bythe jurisdiction.

I. IFC Section 108.3 Deleted – Board ofAppeals, Qualifications.

J. IFC Section 308.3.7 Amended – OpenFlames, Group A Occupancies. Section308.3.7 of the International Fire Code ishereby amended to read as follows:

Section 308.3.7 Group A occupancies.Open-flame devices shall not be usedin a Group A occupancy.

Attachment 6

Mercer Island City Code 17.07.020

17-11 (Revised 5/11)

Exceptions:

1. Open-flame devices are allowed tobe used in the following situations, pro-vided approved precautions are takento prevent ignition of a combustiblematerial or injury to occupants:

1.1. Where necessary for ceremonialor religious purposes in accordancewith Section 308.3.5.

1.2. On stages and platforms as a nec-essary part of a performance in accor-dance with Section 308.3.6.

1.3. Where candles on tables are se-curely supported on substantial non-combustible bases and the candleflames are protected.

2. Heat-producing equipment comply-ing with Chapter 6 and the Internation-al Mechanical Code.

3. Gas lights are allowed to be usedprovided adequate precautions satis-factory to the fire code official are tak-en to prevent ignition of combustiblematerials.

4. Where approved by the fire code of-ficial (see also Section 308.3.1.2).

K. IFC Section 501.1 Amended – General,Scope. Section 501.1 of the International FireCode is hereby amended to read as follows:

Section 501.1 Scope. Fire service fea-tures for buildings, structures and pre-mises shall comply with this chapter.The requirements in this chapter maybe modified by the fire code official ifother approved fire-protection featuresare provided.

L. IFC Section 503.1 Amended – FireApparatus Access Roads, Where Required.Section 503.1 of the International Fire Code ishereby amended to read as follows:

Section 503.1 Where required. Fireapparatus access roads shall be pro-vided and maintained in accordancewith Sections 503.1.1 through 503.1.3and/or local street, road and accessstandards as determined by the firecode official.

M. IFC Section 507.1 Amended – Fire Pro-tection Water Supplies, Fire Flow. Section507.1 of the International Fire Code is herebyamended to read as follows:

Section 507.1 Fire flow. Fire flow re-quirements for buildings or portions ofbuildings and facilities shall be deter-mined by Appendix B.

N. IFC Section 507.5.1 Amended – FireHydrant Systems, Where Required. Section507.5.1 of the International Fire Code ishereby amended to read as follows:

Section 507.5.1 Where required.Where a portion of the facility or build-ing hereafter constructed or movedinto or within the jurisdiction is morethan 150 feet from a hydrant on a fireapparatus access road, as measuredby an approved route around the exte-rior of the facility or building, on-site firehydrants and mains shall be providedwhere required by the fire code official.

Exceptions:1. For one- and two-family dwellingsand Group R-3 and Group U occupan-cies, the distance requirement shall be300 feet.

2. For buildings, one- and two-familydwellings and Group R-3 and Group Uoccupancies equipped throughout withan approved automatic sprinkler sys-tem installed in accordance with Sec-tion 903.3.1.1 or 903.3.1.2, thedistance requirement shall be 600 feet(183 m).

Attachment 6

(Revised 5/11) 17-12

17.07.020

O. IFC Section 510 Amended – BuildingRadio Coverage. Section 510 of the Interna-tional Fire Code is hereby added to read as fol-lows:

Section 510 Building Radio Coverage.

510.1 Building radio coverage. Exceptas otherwise provided, no person shallmaintain, own, erect, or construct anybuilding or structure or any part there-of, or cause the same to be done,which fails to support adequate radiocoverage for City emergency servicesworkers, including but not limited tofirefighters and police officers.

Exceptions:

1. Single family residential buildings.

2. Buildings constructed primarily ofwood frame without below grade stor-age or parking areas.

3. Buildings thirty-five (35) feet high(As defined by International BuildingCode Section 502) or less without be-low grade storage or parking areas.

Should construction that is thirty-five(35) feet high or less include subterra-nean storage or parking, then this ordi-nance shall apply only to thesubterranean areas.

4. Preexisting buildings. Buildings con-structed prior to the implementation ofthis section shall not be required tocomply with public safety radio cover-age provisions of this section.

However, should exempted structuresundergo renovation, restoration, orsignificant modification to the originalstructure, exemption from the provi-sions of this section shall not apply.

510.1.1 Adequate radio coverage. Aminimum signal strength of -95 dBm

shall be available in all areas of thebuilding and 99% in elevators (mea-sured at the primary recall floor), stairshafts and Fire Command Centerswhen transmitted from the closest Re-gional 800 MHz Radio System.

510.1.2 Minimum signal strength. Aminimum signal strength of -100 dBmshall be received by the Regional 800MHz Radio System when transmittedfrom 95% of all areas of the buildingand 99% in elevators (measured at theprimary recall floor), stair shafts andFire Command Centers.

510.1.3 Frequency range. The fre-quency range which must be support-ed shall be 806 MHz to 824 MHz and851 MHz to 869 MHz and such otherfrequencies as determined by the Re-gional Radio System operator in all ar-eas of the building.

The building owner shall modify or ex-pand the frequency range at his or herexpense in the event frequency chang-es are required by the FCC or addition-al frequencies are made available bythe FCC. Prior approval of a publicsafety radio coverage system on previ-ous frequencies does not exempt thisrequirement.

510.2 Permits.

510.2.1 Construction Permit. A con-struction permit is required for installa-tion of or modification to emergencyresponder radio coverage systemsand related equipment. Maintenanceperformed in accordance with thiscode is not considered a modificationand does not require a permit.

510.2.2 Operational Permit. An opera-tional permit is required to operate anin-building radio system in accordancewith City permit requirements.

Attachment 6

Mercer Island City Code 17.07.020

17-13 (Revised 5/11)

510.3 Power supply. Power suppliesshall conform with NFPA 72, Section1-5.2 (Power Supplies).

510.4 Signal Booster Requirements.

If used, signal boosters shall meet thefollowing requirements:

1. All signal booster components shallbe contained in a NEMA4-type water-proof cabinet.

2. The battery system shall be con-tained in a NEMA4-type waterproofcabinet.

3. The system shall include automaticalarming of malfunctions of the signalbooster and battery system. Any re-sulting trouble alarm shall be automat-ically transmitted to an approvedcentral station or proprietary supervis-ing station as defined in NFPA 72 or,when approved by the Mercer IslandFire Marshal, shall sound an audiblesignal at a constantly attended loca-tion.

4. Equipment shall have FCC certifica-tion prior to installation.

510.5 Proof of compliance and testing.

510.5.1 Proof of compliance. Eachowner shall submit at least one fieldtest, or as determined by the Fire CodeOfficial, whenever structural changesoccur to the building that would materi-ally change the original field perfor-mance tests by a consultant approvedby the Fire Code Official. The perfor-mance test shall include at a minimuma floor plan and the signal strength invarious locations of the building.

510.5.2 Annual test.

It shall be the building owner’s respon-sibility to have all active components of

the system, such as amplifiers, powersupplies and backup batteries, testeda minimum of once every twelve (12)months. Testing shall consist of the fol-lowing:

1. Amplifiers shall be tested to ensurethat the gain is the same as it wasupon initial installation and accep-tance.

2. Backup batteries and power sup-plies shall be tested under load of a pe-riod of one hour to verify that they willproperly operate during an actual pow-er outage. If, within the one-hour testperiod, and in the opinion of the testingtechnician, the battery exhibits symp-toms of failure, the test shall be ex-tended for additional one-hour periodsuntil the integrity of the battery can bedetermined.

3. All other active components shall bechecked to determine that they are op-erating within the manufacturer’s spec-ification for the intended purpose.

A report shall be submitted to the Mer-cer Island Fire Marshal upon conclu-sion of the testing and not later thanJanuary 30th of each year.

510.5.3 Five-Year Tests. In addition tothe annual test, it shall be the buildingowner’s responsibility to perform a ra-dio coverage test a minimum of onceevery five (5) years to ensure that theradio system continues to meet the re-quirements of the original acceptancetest. A report shall be submitted to thefire code official upon conclusion of thetesting.

510.5.4 Qualification of Personnel.The system designer, lead installationpersonnel and personnel conductingradio system tests shall be qualified toperform the work.

Attachment 6

(Revised 5/11) 17-14

17.07.020

Design documents and all tests shallbe documented and signed by a per-son in possession of a current FCCGeneral Radio Telephone Operator Li-cense and:

1. A current technician certification is-sued by the Associated Public SafetyCommunications Officials International(APCO); or

2. The National Association of Busi-ness and Education Radio (NABER);or

3. The Personal Communications In-dustry Association (PCIA); or

4. Certificate holder issued by themanufacturer of the equipment beinginstalled.

510.6 Inadequate Radio Coverage.Buildings and structures which cannotsupport the required level of radio cov-erage shall be equipped with:

1. A radiating cable system; and/or

2. An internal multiple antenna systemwith FCC certificated bi-directional 800MHz amplifiers; or

3. Systems otherwise approved by thecity radio system manager in order toachieve the required adequate radiocoverage. In the event that a signalbooster is employed, it shall be fullyencased with a NEMA 4 (or equivalent)dust/waterproof rated enclosure, andfilters that reject adjacent frequenciesin addition to the multi-bandpass fil-ters.

510.7 Secondary Power. If any part ofthe installed system or systems con-tains an electrically powered compo-nent, the installed system or systemsshall be provided with an independentbattery system or an emergency gen-

erator capable of operating for a periodof at least twenty-four (24) hours with-out external power input. The batterysystem shall automatically charge inthe presence of external power input.

510.8 Approval prior to installation. Noamplification system capable of oper-ating on frequencies used by the Re-gional 800 MHz Radio System shall beinstalled without prior coordination andapproval of the radio system licensee(The Eastside Public Safety Communi-cations Agency) and any such systemmust meet any standards adopted bythe King County Regional Communi-cations Board.

510.9 Acceptance Tests. Acceptancetesting for an in-building radio amplifi-cation system is required, upon com-pletion of installation. It is the buildingowner’s responsibility to have the radiosystem tested by qualified personnelto ensure a minimum of 95% two-waycoverage on each floor of the building.

Talk-back testing from a site to the Re-gional 800 MHz Radio System shalluse a two (2) watt, portable transceiverwith speaker/microphone and flexibleantenna (or any calibrated devicewhich will produce signal levels use-able by the prescribed portable radio).Field strength testing instruments musthave been calibrated within one (1)year of the date of the acceptance test.Field strength testing instruments mustbe of the frequency selective type in-corporating a flexible antenna similarto the ones used on the handheldtransceivers. City Radio System Man-ager may designate alternate methodsof measuring the signal level, whichsatisfy appropriate levels of publicsafety coverage.

A report shall be submitted to the Mer-cer Island Fire Department at the con-clusion of acceptance testing

Attachment 6

Mercer Island City Code 17.07.020

17-15 (Revised 5/11)

containing a floor plan and the signalstrengths at each location tested andother relevant information. A represen-tative of the Bellevue Fire Departmentmay oversee the acceptance test. Ac-ceptance testing is also requiredwhenever changes occur to the build-ing that would materially change theoriginal field performance test.

510.10 Testing Criteria. Each floor ofthe building shall be divided into a gridof approximately forty (40) equal ar-eas. A maximum of two (2) nonadja-cent areas will be allowed to fail thetest. In the event that three (3) of theareas fail the test, the floor may be di-vided into eighty (80) equal areas in or-der to be more statistically accurate. Insuch event, a maximum of four (4)nonadjacent areas will be allowed tofail the test. After the eighty (80) areatests, if the system continues to fail,the building owner shall have the sys-tem altered to meet the 95% coveragerequirement.

A spot located approximately in thecenter of a grid area will be selected forthe test, then the radio will be keyed toverify two-way communication to andfrom the outside of the building throughthe Regional 800 MHz Radio System.Once the spot has been selected,prospecting for a better spot within thegrid area is not permitted.

The gain values of all amplifiers shallbe measured and the results kept onfile with the building owner so that themeasurements can be verified eachyear during the annual tests. In theevent that the measurement resultsbecome lost, the building owner will berequired to rerun the acceptance testto reestablish the gain values.

510.11 Field testing. Police and FirePersonnel shall at any time have theright to enter onto the property to con-

duct its own field-testing to be certainthat the required level of radio cover-age is present.

P. IFC Section 602.1 Addition – BuildingServices and Systems, Definitions. The fol-lowing definition is added to Section 602.1 ofthe International Fire Code to read as follows:

POWER TAP. A listed device for in-door use consisting of an attachmentplug on one end of a flexible cord andtwo or more receptacles on the oppo-site end, and that has overcurrent pro-tection.

Q. IFC Section 803.1 Amended – Furnish-ings, General Requirements. Section 803.1 ofthe International Fire Code is hereby amendedto read as follows:

Section 803.1 General requirements.The provisions of Sections 803.1.1through 803.1.4 shall be applicable toall occupancies covered by Sections803.2 through 803.7.

R. IFC Section 803.1.4 Added – GeneralRequirements, Atrium Furnishings. Section803.1.4 of the International Fire Code ishereby added to read as follows:

Section 803.1.4 Atrium furnishings.

803.1.4.1 Potential heat. Potentialheat of combustible furnishings anddecorative materials within atria shallnot exceed 9,000 Btu per pound (20934 J/g) when located within an areathat is more than 20 feet (6,096 mm)below ceiling-level sprinklers.

803.1.4.2 Decorative materials. Deco-rative materials in atria shall be non-combustible, flame resistant or treatedwith a flame retardant.

Attachment 6

(Revised 5/11) 17-16

17.07.020

S. IFC Section 901.4.5 Added – Installa-tion, Additions, Change of Use, Alterationsand Repairs to Buildings. Section 901.4.5 ofthe International Fire Code is hereby added toread as follows:

901.4.5 Additions, change of use, al-terations and repairs to buildings.

901.4.5.2 Additions or changes of use.Additions or changes of use to existingbuildings which would result in a non-conforming building shall be broughtup to current code requirements for fireprotection systems. Subject to the ap-proval of the fire code official, a phas-ing plan of up to five years is permittedon sprinkler systems only.

Exception: A one-time exemption foradditions to one- and two-family dwell-ings and Group R-3 and U occupan-cies of up to 750 square feet ispermitted without compliance with thissection. This exemption shall be re-corded with King County Records andElections.

901.4.5.3 Alterations and repairs.When the value of all alterations or re-pairs performed within a sixty-monthperiod exceeds 50 percent of the as-sessed value of the building, the fireextinguishing systems and fire detec-tion systems shall be installed through-out as for new construction.

T. IFC Section 901.7 Amended – General,Systems Out of Service. Section 901.7 of theInternational Fire Code is hereby amended toread as follows:

Section 901.7 Systems out of service.Where a fire protection system is out ofservice, the fire department and thefire code official shall be notified imme-diately and, where required by the firecode official, the building shall eitherbe evacuated or an approved firewatch shall be provided for all occu-

pants left unprotected by the shutdown until the fire protection systemhas been returned to service. Whereutilized, fire watches shall be providedwith at least one approved means fornotification of the fire department andtheir only duty shall be to perform con-stant patrols of the protected premisesand keep watch for fires.

U. IFC Section 903.2 Amended – Auto-matic Sprinkler Systems, Where Required.Section 903.2 of the International Fire Code ishereby amended to remove the exception fortelecommunication buildings to read as fol-lows:

Section 903.2 Where required. Ap-proved automatic sprinkler systems innew buildings and structures shall beprovided in the locations described inthis section.

V. IFC Section 903.4.2 Amended – Sprin-kler System Monitoring and Alarms, Alarms.Section 903.4.2 of the International Fire Codeis hereby amended to read as follows:

Section 903.4.2 Alarms. Approved au-dible and visible alarm notification ap-pliances shall be connected to everyautomatic sprinkler system in accor-dance with Section 907 and through-out areas designated by the fire codeofficial. Sprinkler water-flow alarm de-vices shall be activated by water flowequivalent to the flow of a single sprin-kler of the smallest orifice size installedin the system. Alarm devices shall beprovided on the exterior of the buildingin an approved location. Where a firealarm system is installed, actuation ofthe automatic sprinkler system shallactuate the building fire alarm system.

Exception: With approval of the firecode official, audible and visible alarmnotification appliances may be omittedfor approved residential sprinkler sys-

Attachment 6

Mercer Island City Code 17.07.020

17-17 (Revised 5/11)

tems in 1 or 2 dwelling units if not oth-erwise specifically required.

W. IFC Section 903.4.3 Amended – Sprin-kler System Monitoring and Alarms, FloorControl Valves. Section 903.4.3 of the Interna-tional Fire Code is hereby amended to read asfollows:

Section 903.4.3 Floor control valves.Approved supervised indicating con-trol valves shall be provided at thepoint of connection to the riser on eachfloor.

Exception: When approved by the FireCode Official in NFPA 13D and NFPA13R Systems.

X. IFC Section 905.3.7 Added – RequiredInstallations, High-Rise Building Standpipes.Section 905.3.7 of the International Fire Codeis hereby added to read as follows:

Section 905.3.7 High-rise buildingstandpipes. Standpipe risers shall becombination standpipe/sprinkler risersusing a minimum pipe size of 6'' i.d. ap-proved material pipe. Two 2-1/2 inchhose connections shall be provided onevery intermediate floor level landingin every required stairway. Wherepressure reduction valves (PRVs) arerequired, each hose connection shallbe provided with its own PRV. The sys-tem shall be designed to provide aminimum flow of 300 gpm at a mini-mum pressure of 150 psi (maximum200 psi) at each standpipe connection,in addition to the flow and pressure re-quirements contained in NFPA 14.

Y. IFC Section 905.8 Amended – Stand-pipe Systems, Dry Standpipes. Section 905.8of the International Fire Code is herebyamended to read as follows:

Section 905.8 Dry standpipes. Drystandpipes, when approved by the fire

code official, are acceptable in otherthan high rise buildings.

Z. IFC Section 906.1 Amended – PortableFire Extinguishers, Where Required. Section906.1 of the International Fire Code is herebyamended to remove the exception to Item 1 toread as follows:

Section 906.1 Where required. Porta-ble fire extinguishers shall be installedin the following locations.

1. In all Group A, B, E, F, H, I, M, R-1,R-2, R-4 and S occupancies.

2. Within 30 feet (9,144 mm) of com-mercial cooking equipment.

3. In areas where flammable or com-bustible liquids are stored, used or dis-pensed.

4. On each floor of structures underconstruction, except Group R-3 occu-pancies, in accordance with Section1415.1.

5. Where required by the sections indi-cated in Table 906.1.

6. Special-hazard areas, including butnot limited to laboratories, computerrooms and generator rooms, where re-quired by the fire code official.

AA. IFC Section 907.2.24 Added – WhereRequired – New Buildings and Structures, AllBuildings. Section 907.2.24 of the Interna-tional Fire Code is hereby added to read as fol-lows:

Section 907.2.24 All buildings. All new-ly constructed buildings with a grossfloor area of 3,000 or greater squarefeet shall be provided with an ap-proved automatic and manual firealarm system.

Attachment 6

(Revised 5/11) 17-18

17.07.020

Exceptions:1. One- and two-family dwellings,Group R-3, Group R-4, and Group UOccupancies having adequate fire flowand approved access. Dwelling unitsshall have interconnected single sta-tion smoke detectors in accordancewith RCW 48.48.140 and WAC 212-10.

Buildings under 10,000 square feetthat are protected throughout by an ap-proved and monitored automatic sprin-kler system.

BB. IFC Section 907.2.25 Added – WhereRequired – New Buildings and Structures,Remodels and Tenant Improvements. Section907.2.25 of the International Fire Code ishereby added to read as follows:

Section 907.2.25 Remodels and ten-ant improvements. When undergoingremodel and tenant improvements, ex-isting occupancies equipped withsmoke detectors that are 10 or moreyears old shall have all such detectorsreplaced with modern units. Those oc-cupancies without the protection ofsmoke detection shall add smoke de-tection in accordance with the applica-ble requirements in the InternationalResidential Code or International FireCode.

CC. IFC Section 1404.5 Amended – Pre-cautions Against Fire, Fire Watch. Section1404.5 of the International Fire Code is herebyamended to read as follows:

1404.5 Fire watch. When required bythe fire code official for building con-struction or demolition that is hazard-ous in nature, qualified personnel shallbe provided to serve as an on-site firewatch. Fire watch personnel shall beprovided with at least one approvedmeans for notification of the fire de-partment and their sole duty shall be to

perform constant patrols and watch forthe occurrence of fire.

DD. IFC Section 2703.9 Amended – Gen-eral Requirements, General Safety Precau-tions. Section 2703.9 of the International FireCode is hereby amended to read as follows:

Section 2703.9 General safety precau-tions. General precautions for the safestorage, handling or care of hazardousmaterials shall be in accordance withSections 2703.9.1 through 2703.9.10.

EE. IFC Appendix B, Section B102.1Amended – Fire-Flow Requirements forBuildings, Definitions. Appendix B, SectionB102.1 of the International Fire Code is herebyamended to read as follows:

Section B102.1 Amended – Defini-tions. For the purpose of this appendix,certain terms are defined as follows:

FIRE FLOW. The flow rate of watersupply measured at 20 pounds persquare inch (psi) residual pressure,that is available for fighting the fire.

FIRE-FLOW CALCULATION AREA.The gross floor area in square feet un-der the roof line of the structure includ-ing all usable area whether heated ornot above and below grade; gross floorarea measurement shall be by an ap-proved method.

FF. IFC Appendix B, Section B104.2Deleted – Fire Area, Area Separation. Appen-dix B, Section B104.2 of the International FireCode is hereby deleted.

GG. IFC Appendix B, Section B105.1Amended – Fire-Flow Requirements forBuildings, One- and Two-Family Dwellings.Appendix B, Section B105.1 of the Interna-tional Fire Code is hereby amended to read asfollows:

Section B105.1 One- and two-familydwellings. The minimum fire-flow re-

Attachment 6

Mercer Island City Code 17.07.020

17-19 (Revised 5/11)

quirements for one- and two-familydwellings having a fire-flow calculationarea which does not exceed 3,600square feet shall be 1,500 gallons perminute. Fire-flow and flow duration fordwellings having a fire-flow calculationarea in excess of 3,600 square feetshall not be less than that specified inTable B105.1.

Exception: As a code alternate, a re-duction in fire flow requirements maybe approved by the fire marshal whenthe building is provided with an ap-proved automatic fire sprinkler systemand/or other approved fire-protectionfeatures.

HH. IFC Appendix B, Section B105.2Amended – Fire-Flow Requirements forBuildings, Buildings Other Than One- andTwo-Family Dwellings. Appendix B, SectionB105.2 of the International Fire Code is herebyamended to read as follows:

Section B105.2 Buildings other thanone- and two-family dwellings. Theminimum fire flow and flow duration forbuildings other than one-and two-fam-ily dwellings shall be as specified inTable B105.1.

Exception. A reduction in required fireflow of up to 50 percent, as approved,may be allowed when the building isprovided with an approved fire sprin-kler system and/or other fire-protectionfeatures as required by the fire codeofficial.

II. IFC Appendix C, Section C103.2 Added– Number of Fire Hydrants, Sprinkler SupportHydrants. Appendix C, Section C103.2 of theInternational Fire Code is hereby added to readas follows:

Section C103.2 Sprinkler support hy-drants. One or more fire hydrants shallbe designated as sprinkler support hy-drants and are not included in the re-

quired fire hydrant calculations asdetermined by fire flow.

JJ. IFC Appendix D, Section D101.1Amended – General, Scope. Appendix D, Sec-tion D101.1 of the International Fire Code ishereby amended to read as follows:

Section D101.1 Scope. Fire apparatusaccess roads shall be in accordancewith this appendix and all other appli-cable requirements of the InternationalFire Code. The requirements in thisappendix may be modified by the firecode official if other approved fire-pro-tection features are provided.

Exception: As a code alternate, a re-duction in requirements for Fire appa-ratus access roads may be approvedby the fire marshal when the building isprovided with an approved automaticfire sprinkler system and/or other ap-proved fire-protection features.

(Ord. 10C-03 § 7; Ord. 07C-04 § 9; Ord. 04C-12 § 4).

Attachment 6

(Revised 5/11) 17-20

17.08.010

Chapter 17.08

UNIFORM PLUMBING CODE

Sections:17.08.010 Adoption.

17.08.010 Adoption. The 2009 Edition of the Uniform Plumbing

Code (UPC), as adopted and amended by theState Building Code Council in Chapter 51-56WAC, as published by the International Asso-ciation of Plumbing and Mechanical Officials,is adopted by reference with the followingadditions, deletions and exceptions: Providedthat Chapter 1, Administration, is not adoptedand the Construction Administrative Code, asset forth in Chapter 17.14 MICC, shall be usedin place of UPC Chapter 1, Administration.Provided that Chapters 12 and 15 of the Uni-form Plumbing Code are not adopted. Pro-vided that those requirements of the UniformPlumbing Code relating to venting and com-bustion air of fuel-fired appliances as found inChapter 5 and those portions of the codeaddressing building sewers are not adopted.Provided that UPC Table 6-5 shall be amendedto delete “Lawn Sprinkler, each head” for “Pri-vate” use only.

The following appendices of the 2009 Edi-tion of the Uniform Plumbing Code as adoptedand amended by the State Building CodeCouncil in Chapter 51-57 WAC, as publishedby the International Association of Plumbingand Mechanical Officials, are also adopted byreference: Appendix A – Recommended Rulesfor Sizing the Water Supply System; Appen-dix B – Explanatory Notes on CombinationWaste and Vent Systems; Appendix I – Instal-lation Standards. In addition, Appendix H –Recommended Procedures for Design, Con-struction, and Installation of CommercialKitchen Grease Interceptors, and Appendix L– Alternate Plumbing Systems, excluding Sec-tions L5 through L7, are adopted by reference.(Ord. 10C-03 § 8; Ord. 09C-18 § 1; Ord. 07C-04 § 10; Ord. 04C-12 § 4).

Chapter 17.09

WASHINGTON STATE ENERGY CODE

Sections:17.09.010 Adoption.

17.09.010 Adoption. The Washington State Energy Code

(WSEC), as adopted by the State BuildingCode Council in Chapter 51-11 WAC, isadopted by reference. (Ord. 04C-12 § 4).

Attachment 6

Mercer Island City Code 17.11.010

17-21 (Revised 5/11)

Chapter 17.10

VENTILATION AND INDOOR AIR QUALITY CODE

(Repealed by Ord. 10C-03)

Chapter 17.11

UNIFORM CODE FOR THE ABATEMENT OF

DANGEROUS BUILDINGS

Sections:17.11.010 Adoption.

17.11.010 Adoption. The 1997 Edition of the Uniform Code for

the Abatement of Dangerous Buildings as pub-lished by the International Council of BuildingOfficials is adopted by reference. Referencesin the Uniform Code for the Abatement ofDangerous Buildings to other codes notadopted by MICC Title 17 shall be deemed torefer to the most closely correspondingadopted codes and sections, as provided inMICC 17.15.050. (Ord. 04C-12 § 4).

Attachment 6

(Revised 5/11) 17-22

17.12.010

Chapter 17.12

UNIFORM HOUSING CODE

Sections:17.12.010 Adoption.

17.12.010 Adoption. The 1997 Edition of the Uniform Housing

Code as published by the International Councilof Building Officials is adopted by reference.References in the Uniform Housing Code toother codes not adopted by MICC Title 17shall be deemed to refer to the most closelycorresponding adopted codes and sections, asprovided in MICC 17.15.050. (Ord. 04C-12§ 4).

Chapter 17.13

NATIONAL ELECTRICAL CODE

Sections:17.13.010 Short title.17.13.020 Adoption.17.13.030 Conflicts.

17.13.010 Short title. This chapter shall be known as the electrical

code of the city of Mercer Island, which ishereinafter referred to as the “city of MercerIsland electrical code,” “electrical code” or as“this chapter.” (Ord. 10C-03 § 10).

17.13.020 Adoption.The November 12, 2009, Edition of the

Washington Cities Electrical Code Part 1 andPart 3, but excluding Part 2, Administration, aspublished by the Washington Association ofBuilding Officials is adopted and shall beapplicable within the city, as amended, addedto, and excepted in this chapter. (Ord. 10C-03§ 10).

17.13.030 Conflicts. A. The requirements of this chapter will be

observed where there is any conflict betweenthis chapter and the National Electrical Code(NFPA 70), centrifugal fire pumps (NFPA 20),the emergency and standby power systems(NFPA 110), ANSI/TIA/EIA 568-B,ANSI/TIA/EIA 569-A, ANSI/TIA/EIA 607,or ANSI/TIA/EIA 570.

B. The National Electrical Code will be fol-lowed where there is any conflict between thestandard for installation of stationary pumpsfor fire protection (NFPA 20), the standard foremergency and standby power systems (NFPA110), ANSI/TIA/EIA 568-B, ANSI/TIA/EIA569-A, ANSI/TIA/EIA 607, ANSI/TIA/EIA570-B, and the National Electrical Code(NFPA 70).

C. In accordance with RCW 19.28.010(3),where the State of Washington, Department ofLabor and Industries adopts a more currentedition of the National Electrical Code (NFPA70) the building official may supplement useof this code with newly adopted editions of the

Attachment 6

Mercer Island City Code 17.14.010

17-23 (Revised 5/11)

National Electrical Code. Provisions in theannex chapters of the National Electrical Codeshall not apply unless specifically referencedin the adopting ordinance. (Ord. 10C-03 § 10).

Chapter 17.14

CONSTRUCTION ADMINISTRATIVE CODE

Sections:17.14.010 Adoption.

17.14.010 Adoption.The Construction Administrative Code is

hereby adopted as follows:

SECTION 101GENERAL

101.1 Title. These regulations shall beknown as the Construction Administra-tive Code of the city of Mercer Island,hereinafter referred to as “this code”.

101.2 Scope. The provisions of thisConstruction Administrative Codeshall apply to building, plumbing, andmechanical permits and the following“Construction Codes”:

2009 International Building Code –WAC 51-50

2009 International Residential Code –WAC 51-51

2009 International Mechanical Code –WAC 51-52

2009 National Fuel Gas Code (ANSIZ223.1/NFPA 54) – WAC 51-52

2008 Liquefied Petroleum Gas Code(NFPA 58) – WAC 51-52

2009 International Fuel Gas Code –WAC 51-52

2009 Uniform Plumbing Code – WAC51-56 and 51-57

2008 National Electrical Code

Attachment 6

(Revised 5/11) 17-24

17.14.010

101.2.2 Definitions. For the purpose ofthis chapter, certain terms, phrases,words and their derivatives shall havethe meanings set forth in this section.Where terms are not defined, theyshall have their ordinary acceptedmeanings within the context with whichthey are used. Webster’s Third Inter-national Dictionary of the English Lan-guage, Unabridged, latest edition,shall be considered as providing ordi-nary accepted meanings. Words usedin the singular include the plural andthe plural the singular. Words used inthe masculine gender include the fem-inine and the feminine the masculine.

1. “Action” means a specific responsecomplying fully with a specific requestby the jurisdiction.

2. “Building service equipment”means and refers to the plumbing, me-chanical and electrical equipment in-cluding piping, wiring, fixtures, andother accessories which provide sani-tation, lighting, heating, ventilation,cooling, refrigeration, firefighting, andtransportation facilities essential to theoccupancy of the building or structurefor its designated use.

3. “Complete response” means an ad-equate response to all requests fromcity staff in sufficient detail to allow theapplication to be processed.

4. “Occupancy” means the purposefor which a building, or part thereof, isused or intended to be used.

5. “Shall,” as used in this chapter, ismandatory.

6. “Valuation” or “value” as applied toa building or building service equip-ment, means and shall be the estimat-ed cost to replace the building and itsbuilding service equipment in kind,based on current replacement costs. It

shall also include the contractor’soverhead and profit.

101.3 Appendices. Provisions in theappendices shall not apply unless spe-cifically adopted.

101.4 Intent. The purpose of the con-struction codes and the ConstructionAdministrative Code is to establish theminimum requirements to safeguardthe public health, safety and generalwelfare through structural strength,means of egress facilities, stability,sanitation, adequate light and ventila-tion, energy conservation, and safetyto life and property from fire and otherhazards attributed to the built environ-ment and to provide safety to fire fight-ers and emergency responders duringemergency operations.

101.5 Referenced Codes. The codeslisted in Sections 101.5.1 through101.5.6 and referenced elsewhere inthe construction codes and the Con-struction Administrative Code shall beconsidered part of the requirements ofthe construction codes and the Con-struction Administrative Code to theprescribed extent of each such refer-ence.

101.5.1 International Building Code –Scope. The provisions of the Interna-tional Building Code (IBC) shall applyto the construction, alteration, move-ment, enlargement, replacement, re-pair, equipment, use and occupancy,location, maintenance, removal, anddemolition of every building or struc-ture or any appurtenances connectedor attached to such buildings or struc-tures.

Exception: Detached one- and two-family dwellings and multiple single-family dwellings (townhouses) notmore than three stories above gradeplane in height with separate means of

Attachment 6

Mercer Island City Code 17.14.010

17-25 (Revised 5/11)

egress and their accessory structuresshall comply with the InternationalResidential Code.

101.5.2 International Residential Code– Scope. The provisions of the Interna-tional Residential Code for One- andTwo-Family Dwellings (IRC) shall ap-ply to the construction, alteration,movement, enlargement, replace-ment, repair, equipment, use and oc-cupancy, location, removal anddemolition of detached one- and two-family dwellings and multiple single-family dwellings (townhouses) notmore than three stories above gradeplane in height with a separate meansof egress and their accessory struc-tures, including adult family homes,foster family care homes and familyday care homes licensed by the Wash-ington state department of social andhealth services.

Exception: Live/work units complyingwith the requirements of Section 419 ofthe International Building Code shallbe permitted to be built as one- andtwo-family dwellings or townhouses.Fire suppression required by Section419.5 of the International BuildingCode when constructed under the In-ternational Residential Code for One-and Two-family Dwellings shall con-form to Section 903.3.1.3 of the Inter-national Building Code.

101.5.3 Electrical Code – Scope. Theprovisions of the Mercer Island Codeapply to the installation of electric con-ductors, electric equipment, alter-ations, modifications or repairs toexisting electrical installations for thefollowing:

1. Electrical conductors, electricalequipment, and electrical raceways in-stalled within or on public and privatebuildings, property or other structures.

2. Signaling and communications con-ductors and equipment, telecommuni-cations conductors and equipment,fiber optic cables, and raceways in-stalled within or on public and privatebuildings, property or other structures.

3. Yards, lots, parking lots, and indus-trial substations.

4. Temporary electrical installationsfor use during the construction of build-ings.

5. Temporary electrical installationsfor carnivals, conventions, festivals,fairs, traveling shows, the holding ofreligious services, temporary lightingof streets, or other approved uses.

6. Installations of conductors andequipment that connect to a supply ofelectricity.

7. All other outside electrical conduc-tors on the premises.

8. Optional standby systems derivedfrom portable generators.

Exception: Installations under the ex-clusive control of electric utilities for thepurpose of communication, transmis-sion, and distribution of electric energylocated in buildings used exclusivelyby utilities for such purposes or locatedoutdoors on property owned or leasedby the utilities or on public highways,streets, roads, etc., or outdoors by es-tablished rights on private property.

It is the intent of this section that thiscode covers all premises’ wiring or wir-ing other than utility owned meteringequipment, on the load side of the ser-vice point of buildings, structures, orany other premises not owned orleased by the utility. Also, it is the intentthat this code covers installations inbuildings used by the utility for purpos-

Attachment 6

(Revised 5/11) 17-26

17.14.010

es other than listed above, such as of-fice buildings, warehouses, garages,machine shops, and recreational build-ings which are not an integral part of agenerating plant, substation, or controlcenter.

101.5.4 Gas Code – Scope. The provi-sions of the International Fuel GasCode (IFGC) shall apply to the installa-tion of gas piping from the point of de-livery, gas appliances and relatedaccessories as covered in this codewhen utilizing natural gas and gaseoushydrogen except those regulated bythe International Residential Code(IRC) and those utilizing LPG. Theserequirements apply to gas piping sys-tems extending from the point of deliv-ery to the inlet connections ofappliances and the installation and op-eration of residential and commercialgas appliances and related accesso-ries.

101.5.5 Mechanical Code – Scope.The provisions of the International Me-chanical Code (IMC) shall apply to thedesign, installation, maintenance, al-teration and inspection of mechanicalsystems that are permanently installedand utilized to provide control of envi-ronmental conditions and related pro-cesses within buildings. TheInternational Mechanical Code shallalso regulate those mechanical sys-tems, system components, equipmentand appliances specifically addressedherein. The installation of fuel gas dis-tribution piping and equipment, fuelgas-fired appliances and fuel gas-firedappliance venting systems shall beregulated by the International FuelGas Code.

Exceptions:1. Detached one- and two-familydwellings and multiple single-familydwellings (townhouses) not more thanthree stories high with separate means

of egress and their accessory struc-tures shall comply with the Internation-al Residential Code.

2. The standards for liquefied petro-leum gas (LPG) installations shall beNFPA 58 (Liquefied Petroleum GasCode) and ANSI Z223.1/NFPA 54 (Na-tional Fuel Gas Code).

101.5.5.2 Other authorities. In additionto the International Mechanical Code,provisions of Chapter 480-93 WAC re-garding gas pipeline safety may alsoapply to single meter installations serv-ing more than one building. The provi-sions of Chapter 480-93 WAC areenforced by the Washington Utilitiesand Transportation Commission.

101.5.6 Plumbing Code – Scope. Theprovisions of the Uniform PlumbingCode (UPC) shall apply to the installa-tion, alteration, repair and replacementof plumbing systems, including equip-ment, appliances, fixtures, fittings andappurtenances, and where connectedto a water or sewage system and allaspects of a medical gas system.

101.5.7 Property maintenance. Theprovisions of the Uniform HousingCode (UHC) shall apply to existingstructures to provide minimum stan-dards to safeguard life or limb, health,property, and public welfare by regu-lating and controlling the use and oc-cupancy, location, and maintenance ofall residential buildings and otherstructures within this jurisdiction.

The Uniform Code for the Abatementof Dangerous Buildings (UCADB) shallapply to all dangerous buildings, as de-fined in the UCADB, which are now inexistence or which may hereafter be-come dangerous in this jurisdiction.The purpose of the UCADB is to pro-vide a just, equitable and practicablemethod, to be cumulative with and in

Attachment 6

Mercer Island City Code 17.14.010

17-27 (Revised 5/11)

addition to any other remedy providedby the International Building Code, In-ternational Residential Code, UniformHousing Code or otherwise availableby law, whereby buildings or structureswhich from any cause endanger thelife, limb, health, morals, property,safety or welfare of the general publicor their occupants and may be re-quired to be repaired, vacated, abatedor demolished.

101.5.8 Fire prevention. The provi-sions of the International Fire Code(IFC) shall apply to matters affecting orrelating to structures, processes andpremises from the hazard of fire andexplosion arising from the storage,handling or use of structures, materialsor devices; from conditions hazardousto life, property or public welfare in theoccupancy of structures or premises;and from the construction, extension,repair, alteration or removal of fire sup-pression and alarm systems or firehazards in the structure or on the pre-mises from occupancy or operation.

101.5.9 Energy Code – Scope. Theprovisions of the Washington StateEnergy Code (WSEC) shall apply to allmatters governing the design and con-struction of buildings for energy effi-ciency.

101.5.10 Ventilation. The provisions ofthe mechanical code shall apply to alloccupancies to govern minimum re-quirements for ventilation.

SECTION 102APPLICABILITY

102.1 General.

1. Where there is a conflict between ageneral requirement and a specific re-quirement, the specific requirementshall be applicable. Where, in any spe-cific case, different sections of the con-

struction codes specify differentmaterials, methods of construction orother requirements, the most restric-tive shall govern except that the hierar-chy of the codes named in RCW 19.27shall govern.

2. New Installations. This chapter ap-plies to new installations.

Exception: If an electrical, plumbing ormechanical permit application is re-ceived after this chapter has taken ef-fect, but is identified with a buildingpermit application received prior to theeffective date of the ordinance codifiedin this chapter, all applicable codesadopted and in force at the time of acomplete building permit applicationwill apply.

3. Existing installations. Lawfully in-stalled existing installations that do notcomply with the provisions of thischapter shall be permitted to be contin-ued without change, except as is spe-cifically covered in this chapter, theInternational Fire Code or as isdeemed necessary by the building offi-cial for the general safety and welfareof the occupants and the public. Wherechanges are required for correction ofhazards, a reasonable amount of timeshall be given for compliance, depend-ing on the degree of the hazard.

4. Maintenance. Buildings and struc-tures, including their electrical, plumb-ing and mechanical systems,equipment, materials and appurte-nances, both existing and new, andparts thereof shall be maintained inproper operating condition in accor-dance with the original design and in asafe, hazard-free condition. Devices orsafeguards that are required by thischapter shall be maintained in compli-ance with the code edition under whichinstalled. The owner or the owner’sdesignated agent shall be responsible

Attachment 6

(Revised 5/11) 17-28

17.14.010

for the maintenance of the systemsand equipment. To determine compli-ance with this provision, the code offi-cial shall have the authority to requirethat the systems and equipment be re-inspected.

5. Additions, alterations, modificationsor repairs. Additions, alterations, mod-ifications or repairs to a building orstructure or to the electrical, plumbingor mechanical system(s) of any build-ing, structure, or premises shall con-form to the requirements of thischapter without requiring those por-tions of the existing building or systemnot being altered or modified to complywith all the requirements of this chap-ter. Installations, additions, alterations,modifications, or repairs shall notcause an existing building to becomeunsafe or to adversely affect the per-formance of the building as deter-mined by the building official ordesignated representative. Electricalwiring added to an existing service,feeder, or branch circuit shall not resultin an installation that violates the provi-sions of the code in force at the timethe additions were made.

102.2 Other laws. The provisions ofthe construction codes and the Con-struction Administrative Code shall notbe deemed to nullify any provisions oflocal, state or federal law.

102.3 Application of references. Refer-ences to chapter or section numbers,or to provisions not specifically identi-fied by number, shall be construed torefer to such chapter, section or provi-sion of the construction codes.

102.4 Existing structures and installa-tions. The legal occupancy of anystructure existing on the date of adop-tion of the construction codes shall bepermitted to continue without change,except as is specifically covered in the

referenced codes listed in Section101.5, this code, or as is deemed nec-essary by the building official for thegeneral safety and welfare of the occu-pants and the public. Modifications toexisting structures shall be permittedto be performed in accordance withWAC 51-50-480000 (International Ex-isting Building code).

102.5 Maintenance. Structures and in-stallations, both existing and new, andparts thereof shall be maintained inproper operating condition in accor-dance with the original design and in asafe condition. Devices or safeguardswhich are required by this code shallbe maintained in compliance with thecode edition under which they wereconstructed or installed. The owner orthe owner’s designated agent shall beresponsible for maintenance of struc-tures and installations. To determinecompliance with this provision, thebuilding official shall have the authorityto require an installation to be rein-spected.

102.6 Added electrical wiring. Electri-cal wiring added to an existing service,feeder, or branch circuit shall not resultin an installation that violates the provi-sions of this chapter in force at the timethe additions were made.

102.7 Moved buildings. Buildings orstructures moved into or within a juris-diction shall comply with the provisionsof the International Residential Code(WAC 51-51), the International Build-ing Code (WAC 51-50), the Interna-tional Mechanical Code (WAC 51-52),the International Fire Code (WAC 51-54), the Uniform Plumbing Code andStandards (WAC 51-56 and 51-57),and the Washington State EnergyCode (WAC 51-11).

Exception: Group R-3 buildings orstructures are not required to comply if:

Attachment 6

Mercer Island City Code 17.14.010

17-29 (Revised 5/11)

1. The original occupancy classifica-tion is not changed; and

2. The original building is not substan-tially remodeled or rehabilitated.

For the purposes of this section abuilding shall be considered to be sub-stantially remodeled when the costs ofremodeling exceed 60 percent of thevalue of the building exclusive of thecosts relating to preparation, construc-tion, demolition or renovation of foun-dations.

See MICC 19.09.080, Moving of build-ings, for additional requirements.

102.7.1 Moved Buildings, Electrical

1. Nonresidential buildings or struc-tures moved into or within the jurisdic-tion must be inspected to ensurecompliance with current requirementsof this chapter.

2. Residential buildings or structureswired in the U.S., to NEC require-ments, and moved into the jurisdictionmust be inspected to ensure compli-ance with the NEC requirements in ef-fect at the time and place the originalwiring was made. The building orstructure must be inspected to ensurecompliance with all current require-ments of chapter 19.28 RCW and therules developed by the department if:

a. The original occupancy classifica-tion of the building or structure ischanged as a result of the move; or

b. The building or structure has beensubstantially remodeled or rehabilitat-ed as a result of the move.

3. Residential buildings or structureswired in Canada to Canadian ElectricalCode (CEC) standards and moved intothe jurisdiction must be inspected to

ensure compliance with the followingminimum safety requirements:

a. Service, service grounding, and ser-vice bonding must comply with thisCode.

b. Canadian Standards Association(CSA) listed Type NMD cable is al-lowed with the following qualifications:

i. CSA listed Type NMD cable, Ameri-can Wire Gauge #10 and smaller in-stalled after 1964 utilizing anequipment grounding conductor small-er than the phase conductors, must be:

(1) Replaced with a cable utilizing afull-size equipment grounding conduc-tor; or

(2) Protected by a ground fault circuitinterrupter protection device.

ii. CSA listed Type NMD cable, #8AWG and larger, must:

(1) Utilize an equipment groundingconductor sized according to the re-quirements of the NEC in effect at thetime of the installation;

(2) Be protected by a ground fault cir-cuit interrupter protection device; or

(3) Be replaced.

c. Other types of wiring and cable mustbe:

i. Replaced with wiring listed or fieldevaluated in accordance with U.S.standards by a laboratory approved bythe department; or

ii. Protected by a ground fault circuit in-terrupter protection device and arcfault circuit protection device.

Attachment 6

(Revised 5/11) 17-30

17.14.010

d. Equipment, other than wiring or pan-elboards, manufactured and installedprior to 1997 must be listed and identi-fied by laboratory labels approved bythe department or CSA labels.

e. All panelboards must be listed andidentified by testing laboratory labelsapproved by the department with thefollowing qualifications:

i. CSA listed panelboards labeled“Suitable for Use as Service Equip-ment” will be considered to be ap-proved as “Suitable for Use only asService Equipment.”

ii. CSA listed panelboards must be lim-ited to a maximum of 42 circuits.

iii. CSA listed panelboards used aslighting and appliance panelboards asdescribed in the NEC, must meet allcurrent requirements of the NEC andthis chapter.

f. Any wiring or panelboards replacedor changed as a result of the movemust meet current requirements ofchapter 19.28 RCW and this chapter.

g. The location, type, and ground faultcircuit interrupter protection of recepta-cles and equipment in a bathroom,kitchen, basement, garage, or outdoorarea must meet the Washington re-quirements in effect at the time the wir-ing was installed.

h. 4, 15-ampere, kitchen small appli-ance circuits will be accepted in lieu of2, 20-ampere, kitchen small appliancecircuits. Receptacles will not be re-quired to be added on kitchen peninsu-lar or island counters.

i. Spacing requirements for all other re-ceptacles must meet the Washingtonrequirements in effect at the time thewiring was installed.

j. Receptacles installed above base-board or fixed wall space heaters mustbe removed and the outlet box coveredwith a blank cover. The receptacle isrequired to be relocated as closely aspossible to the existing location.

k. Lighting outlet and switch locationsmust meet the Washington require-ments in effect at the time the wiringwas installed.

l. Dedicated 20-ampere small appli-ance circuits are not required in diningrooms.

m. Electric water heater branch circuitsmust be adequate for the load.

n. The location, type, and circuit pro-tection of feeders must meet theWashington State requirements in ef-fect at the time the wiring was installed.

102.8 Referenced codes and stan-dards. The codes and standards refer-enced in the construction codes shallbe considered part of the requirementsof the construction codes to the pre-scribed extent of each such reference.Where differences occur between pro-visions of the construction codes andreferenced codes and standards, theprovisions of the construction codesshall apply.

Exception. Where enforcement of acode provision would violate the condi-tions of the listing of equipment or anappliance, the conditions of the listingand the manufacturer’s installation in-structions shall apply.

102.9 Partial invalidity. In the eventthat any part or provision of the con-struction codes is held to be illegal orvoid, this shall not have the effect ofmaking void or illegal any of the otherparts or provisions.

Attachment 6

Mercer Island City Code 17.14.010

17-31 (Revised 5/11)

102.10 Requirements not covered bycode. Requirements necessary for thestrength, stability or proper operationof an existing or proposed structure orinstallation, or for the public safety,health and general welfare, not specif-ically covered by this code, shall be de-termined by the building official.

102.11 Structures in Areas of SpecialFlood Hazard. Buildings located in Ar-eas of Special Flood Hazard shall beregulated under the InternationalBuilding Code, the International Resi-dential Code or the Mercer Island Mu-nicipal Code.

SECTION 103ENFORCEMENT AUTHORITY

103.1 Development Services Group.The Development Services Group ofthe City of Mercer Island shall be re-sponsible for enforcement of the con-struction codes, under the administra-tive and operational control of thebuilding official, who shall be designat-ed by the code official (as defined byMICC 19.16.010); provided, the firemarshal or his or her designee shall beresponsible for enforcement of the In-ternational Fire Code.

103.2 Building official. The building of-ficial is responsible for administrationand interpretation of the ConstructionAdministrative Code and the Construc-tion Codes, except that the fire mar-shal or his or her designee shall beresponsible for administration and in-terpretation of the International FireCode.

103.3 Deputies. The building officialmay delegate authority to a deputybuilding official, related technical offic-ers, code enforcement officers, in-spectors, plan examiners or other Cityemployees. Such employees shall

have powers as delegated by thebuilding official.

SECTION 104DUTIES AND POWERS OF BUILDING OFFICIAL

104.1 General. The building official ishereby authorized and directed to ad-minister, interpret and enforce the pro-visions of this Construction Adminis-trative Code and all construction codesexcept the International Fire Code.The building official shall have the au-thority to render interpretations of saidcodes and to adopt policies and proce-dures in order to clarify the applicationof their provisions. Such interpreta-tions, policies and procedures shall beconsistent with the intent and purposeof the codes and shall not have the ef-fect of waiving requirements specifical-ly provided for in the codes.

104.1.1. Liability. The building official,member of the board of appeals or em-ployee charged with the enforcementof this code, while acting in good faithand without malice in the discharge ofthe duties required by this code or oth-er pertinent law or ordinance, shall notthereby be rendered liable personallyand is hereby relieved from personal li-ability for any damage accruing to per-sons or property as a result of any actor by reason of an act or omission inthe discharge of official duties. Any suitinstituted against an officer or employ-ee because of an act performed by thatofficer or employee in the lawful dis-charge of duties while acting in goodfaith and without malice and under theprovisions of this code shall be defend-ed by legal representative of the juris-diction until the final termination of theproceedings. The building official orsubordinate shall not be liable for costin any action, suit or proceeding that isinstituted in pursuance of the provi-sions of this code.

Attachment 6

(Revised 5/11) 17-32

17.14.010

104.2 Applications and permits. Thebuilding official shall receive applica-tions, review construction documentsand issue permits for the erection, al-teration, demolition and moving ofbuildings, structures and building ser-vice equipment, inspect the premisesfor which such permits have been is-sued and enforce compliance with theprovisions of the construction codesand the Construction AdministrativeCode.

104.3 Notices and orders. The buildingofficial shall issue all necessary notic-es or orders to ensure compliance withthe construction codes and the Con-struction Administrative Code.

104.4 Inspections. The building officialshall make all of the required inspec-tions, or the building official shall havethe authority to accept reports of in-spection by approved agencies or indi-viduals. Reports of such inspectionsshall be in writing and be certified by aresponsible officer of such approvedagency or by the responsible individu-al. The building official is authorized toengage such expert opinion asdeemed necessary to report upon un-usual technical issues that arise at theapplicant’s expense.

104.5 Identification. The building offi-cial shall carry proper identificationwhen inspecting structures or pre-mises in the performance of duties un-der the construction codes and theConstruction Administrative Code.

104.6 Right of entry. Where it is neces-sary to make an inspection to enforcethe provisions of the constructioncodes and the Construction Adminis-trative Code, or where the building offi-cial has reasonable cause to believethat there exists in a structure or upona premises a condition which is con-trary to or in violation of the construc-

tion codes and the ConstructionAdministrative Code which makes thestructure or premises unsafe, danger-ous or hazardous, the building officialis authorized to enter the structure orpremises at reasonable times to in-spect or to perform the duties imposedby the construction codes and theConstruction Administrative Code,provided that if such structure or pre-mises be occupied that credentials bepresented to the occupant and entryrequested. If such structure or pre-mises is unoccupied, the building offi-cial shall first make a reasonable effortto locate the owner or other personhaving charge or control of the struc-ture or premises and request entry. Ifentry is refused, the building officialshall have recourse to the remediesprovided by law to secure entry.

104.7 Department records. The build-ing official shall keep official records ofapplications received, permits and cer-tificates issued, fees collected, reportsof inspections, and notices and ordersissued. Such records shall be retainedin the official records for the period re-quired for retention of public records.

104.8 Approved materials and equip-ment. Materials, equipment and devic-es approved by the building officialshall be constructed and installed inaccordance with such approval.

104.8.1 Used materials and equip-ment. The use of used materials andbuilding service equipment which meetthe requirements of this code for newmaterials is permitted. Used equip-ment and devices shall not be reusedunless prior approval is obtained fromthe building official.

104.9 Modifications. Wherever thereare practical difficulties involved in car-rying out the provisions of the con-struction codes and the Construction

Attachment 6

Mercer Island City Code 17.14.010

17-33 (Revised 5/11)

Administrative Code, the building offi-cial shall have the authority to grantmodifications for individual cases,upon application of the owner or own-er’s representative, provided the build-ing official shall first find that specialindividual reason makes the strict let-ter of the construction codes and theConstruction Administrative Code im-practical and the modification is incompliance with the intent and pur-pose of the construction codes and theConstruction Administrative Code andthat such modification does not lessenhealth, accessibility, life and fire safe-ty, or structural requirements. The de-tails of action granting modificationsshall be recorded and entered in thefiles of the department. The building of-ficial is authorized to charge an addi-tional fee to evaluate any proposedmodification under the provisions ofthis section.

104.10 Alternative materials, designand methods of construction andequipment. The provisions of the con-struction codes are not intended toprevent the installation of any materialor to prohibit any design or method ofconstruction not specifically prescribedby the construction codes, providedthat any such alternative has been ap-proved by the building official. An alter-native material, design or method ofconstruction shall be approved wherethe building official finds that the pro-posed design is satisfactory and com-plies with the intent of the provisions ofthe construction codes, and that thematerial, method or work offered is, forthe purpose intended, at least theequivalent of that prescribed in theconstruction codes in quality, strength,effectiveness, fire resistance, durabili-ty and safety. The building official isauthorized to charge an additional feeto evaluate any proposed alternatematerial, design and/or method of con-

struction and equipment under the pro-visions of this section.

104.10.1 Research reports. Support-ing data, where necessary to assist inthe approval of materials or assem-blies not specifically provided for in theconstruction codes, shall consist ofvalid research reports from approvedsources.

104.10.2 Tests. Whenever there is in-sufficient evidence of compliance withthe provisions of the constructioncodes, or evidence that a material ormethod does not conform to the re-quirements of the construction codes,or in order to substantiate claims for al-ternative materials or methods, thebuilding official shall have the authorityto require tests as evidence of compli-ance to be made at no expense to thejurisdiction. Test methods shall be asspecified in the construction codes orby other recognized test standards. Inthe absence of recognized and accept-ed test methods, the building officialshall approve the testing procedures.Tests shall be performed by an ap-proved agency. Reports of such testsshall be retained by the building officialfor the period required for retention ofpublic records.

SECTION 105PERMITS

105.1 Required. Any owner or autho-rized agent who intends to construct,enlarge, alter, repair, move, demolish,or change the occupancy of a buildingor structure, or to erect, install, en-large, alter, repair, remove, convert orreplace any electrical, gas, mechanicalor plumbing system, the installation ofwhich is regulated by the constructioncodes and the Construction Adminis-trative Code, or to cause any suchwork to be done, shall first make appli-

Attachment 6

(Revised 5/11) 17-34

17.14.010

cation to the building official and obtainthe required permit.

105.1.1 Electrical permit required. Inaccordance with Chapter 19.28 RCW,an electrical permit is required for thefollowing installations:

1. The installation, alteration, repair,replacement, modification or mainte-nance of all electrical systems, wireand electrical equipment regardless ofvoltage.

2. The installation and/or alteration oflow voltage systems defined as:

a. NEC, Class 1 power limited circuitsat 30 volts maximum.

b. NEC, Class 2 circuits powered by aClass 2 power supply as defined inNEC 725.41(A).

c. NEC, Class 3 circuits powered by aClass 3 power supply as defined inNEC 725.41(A).

3. Telecommunications Systems.

a. All installations of telecommunica-tions systems on the customer side ofthe network demarcation point forprojects greater than ten telecommuni-cations outlets.

b. All backbone installations regard-less of size and all telecommunica-tions cable or equipment installationsinvolving penetrations of fire barriersor passing through hazardous loca-tions require permits and inspections.

c. The installation of greater than tenoutlets and the associated cablesalong any horizontal pathway from atelecommunications closet to work ar-eas during any continuous ninety-dayperiod requires a permit and inspec-tion.

d. In Residential Groups R-1 and R-2occupancies as defined in the Interna-tional Building Code, permits and in-spections are required for all backboneinstallations, all penetrations of fire-re-sistive walls, ceilings and floors; andinstallations of greater than ten outletsin common areas.

e. Definitions of telecommunicationstechnical terms will come from Chapter19.28 RCW, the currently adoptedWAC rules, EIA/TIA standards, andthe National Electrical Code.

105.1.2 Grading permit required. Noperson shall do any grading withoutfirst obtaining a grading permit fromthe building official.

105.2 Work exempt from permit. Ex-emptions from permit requirements re-lated to the construction codes shallnot be deemed to grant authorizationfor any work to be done in any mannerin violation of the provisions of the con-struction codes or any other laws or or-dinances of this jurisdiction. Permitexemptions shall not apply to Areas ofFlood Hazard and City Land Use Criti-cal Areas. Permits shall not be re-quired for the following:

Public service agencies or Work in thePublic Way.

1. A permit shall not be required for theinstallation, alteration or repair of gen-eration, transmission, distribution ormetering or other related equipmentthat is under the ownership and controlof public service agencies establishedby right.

2. A permit shall not be required forwork located primarily in a public way,public utility towers and poles (but notexempting wireless communicationsfacilities not located in a public way)and hydraulic flood control structures.

Attachment 6

Mercer Island City Code 17.14.010

17-35 (Revised 5/11)

Grading.

1. An excavation below existing fin-ished grade for basements and foot-ings of an existing building, retainingwall or other structure authorized by avalid building permit. This shall not ex-empt any excavation having an unsup-ported height greater than 5 feet.

2. An excavation of less than 50 cubicyards of materials which:

a. is less than 2 feet in depth and/or

b. which does not create a cut slope ofa ratio steeper than two horizontal toone vertical.

3. A fill of less than 50 cubic yards ofmaterial which is less than 1 foot indepth and placed on natural terrainwith a slope flatter than five horizontalto one vertical.

Building.

1. One-story detached accessorystructures constructed under the provi-sions of the IRC used as tool and stor-age sheds, tree supported playstructures, playhouses and similar us-es, provided the floor area does not ex-ceed 200 square feet (18.58 m2).

2. Fences not over 6 feet (1,829 mm)high.

3. Oil derricks.

4. Retaining walls and rockeries whichare not over 4 feet (1,219 mm) inheight measured from the bottom ofthe footing to the top of the wall, unlesssupporting a surcharge or impoundingClass I, II or III-A liquids.

5. Water tanks supported directly ongrade if the capacity does not exceed5,000 gallons (18,925 L) and the ratio

of height to diameter or width does notexceed 2 to 1.

6. Sidewalks, decks and driveways notmore than 30 inches (762 mm) abovegrade and not over any basement orstory below and which are not part ofan accessible route.

7. In-kind re-roofing of one- and two-family dwellings provided the roofsheathing is not removed or replaced.

8. Painting, non-structural wood andvinyl siding, papering, tiling, carpeting,cabinets, counter tops and similar fin-ish work, provided that existing, re-quired accessible features are notaltered.

9. Temporary motion picture, televi-sion and theater stage sets and scen-ery.

10. Prefabricated swimming pools ac-cessory to one- and two-family dwell-ings or Group R-3 occupancy whichare less than 24 inches (610 mm)deep, do not exceed 5,000 gallons(18,925 L) and are installed entirelyabove ground.

11. Shade cloth structures constructedfor garden nursery or agricultural pur-poses and not including service sys-tems.

12. Swings, slides and other similarplayground equipment.

13. Window awnings supported by anexterior wall which do not project morethan 54 inches (1,372 mm) from theexterior wall and do not require addi-tional support of a one- and two-familydwelling or a Group R-3 or U occupan-cy.

Attachment 6

(Revised 5/11) 17-36

17.14.010

14. Movable cases, counters and par-titions not over 5 feet 9 inches (1,753mm) in height.

15. Satellite earth station antennas 6-1/2 feet (2 m) or less in diameter inzones other than residential zones.

16. Satellite earth station antennas 3-1/4 feet (1 m) or less in diameter in res-idential zones.

17. Video programming service anten-nas 3-1/4 feet (1 m) or less in diameteror diagonal dimension, regardless ofzone.

18. Replacement of nonstructural sid-ing on IRC structures except for ve-neer, stucco or exterior finish andinsulation systems (EFIS).

19. In-kind window replacement forIRC structures where no alteration ofstructural members is required andwhen the window U-values meet theprescriptive requirements within theWashington State Energy Code.

20. Job shacks that are placed at apermitted job site during constructionmay be allowed on a temporary basisand shall be removed upon final ap-proval of construction. A job shack is aportable structure for which the prima-ry purpose is to house equipment andsupplies, and which may serve as atemporary office during constructionfor the purposes of the construction ac-tivity.

Electrical.

1. Portable motors or other portableappliances energized by means of acord or cable having an attachmentplug end to be connected to an ap-proved receptacle when that cord orcable is permitted by the National Elec-trical Code.

2. Repair or replacement of fixed mo-tors, transformers or fixed approvedappliances or devices rated fifty ampsor less which are like-in-kind in thesame location.

3. Temporary decorative lighting,when used for a period not to exceedninety days and removed at the con-clusion of the ninety-day period.

4. Repair or replacement of current-carrying parts of any switch, conductoror control device which are like-in-kindin the same location.

5. Repair or replacement of attach-ment plug(s) and associated recepta-cle(s) rated fifty amperes or less whichare like-in-kind in the same location.

6. Repair or replacement of any over-current device which is like-in-kind inthe same location.

7. Repair or replacement of electrodesor transformers of the same size andcapacity for signs or gas tube systems.

8. Removal of electrical wiring.

9. Telecommunications Systems asfollows:

a. Telecommunications outlet installa-tions within individual dwelling units.

b. The installation or replacement ofcord and plug connected telecommu-nications equipment or for patch cordand jumper cross-connected equip-ment.

10. Listed wireless security systemswhere power is supplied by a listedClass 2 plug in transformer installedwithin dwelling units.

11. A permit shall not be required forthe installation, alteration or repair of

Attachment 6

Mercer Island City Code 17.14.010

17-37 (Revised 5/11)

electrical wiring, apparatus or equip-ment or the generation, transmission,distribution or metering of electrical en-ergy or in the operation of signals orthe transmission of intelligence by apublic or private utility in the exerciseof its function as a serving utility.

12. Portable generators serving onlycord and plug connected loads sup-plied through receptacles on the gen-erator rated at four thousand watts orless.

13. Travel trailers.

14. Like-in-kind replacement of a: con-tactor, relay, timer, starter, circuitboard, or similar control component;household appliance; circuit breaker;fuse; residential luminaire; lamp; snapswitch; dimmer; receptacle outlet; ther-mostat; heating element; luminaireballast with an exact same ballast;component(s) of electric signs, outlinelighting, skeleton neon tubing when re-placed on-site by an appropriate elec-trical contractor and when the sign,outline lighting or skeleton neon tubingelectrical system is not modified; tenhorsepower or smaller motor; and in-duction detection loops described inWAC 296-46B-300(2) and used tocontrol gate access devices.

Mechanical.

1. Portable heating, cooking, orclothes drying appliances.

2. Portable ventilation equipment.

3. Portable cooling unit.

4. Steam, hot or chilled water pipingwithin any heating or cooling equip-ment regulated by the constructioncodes.

5. Replacement of any part which doesnot alter its approval or make it unsafe.

6. Portable evaporative cooler.

7. Self-contained refrigeration systemcontaining 10 pounds (4.54 kg) or lessof refrigerant and actuated by motorsof 1 horsepower (746 W) or less.

8. Portable fuel cell appliances that arenot connected to a fixed piping systemand are not interconnected.

Plumbing.

1. The stopping and/or repairing ofleaks in drains, water, soil, waste orvent pipe provided, however, thatshould any concealed trap, drain pipe,water, soil, waste or vent pipe becomedefective and it becomes necessary toremove and replace the same withnew material, the same shall be con-sidered as new work and a permit shallbe obtained and inspection made asprovided in the construction codes.

2. The clearing of stoppages or the re-pairing of leaks in pipes, valves or fix-tures and the removal andreinstallation of water closets, provid-ed such repairs do not involve or re-quire replacement or rearrangement ofvalves, pipes or fixtures.

3. Reinstallation or replacement of pre-fabricated fixtures that do not involveor require the replacement or rear-rangement of valves or pipes.

105.2.1 Emergency repairs. Whereequipment replacements and equip-ment repairs must be performed in anemergency situation, the permit appli-cation shall be submitted within thenext working business day to the build-ing official.

Attachment 6

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105.2.2 Repairs. Application or noticeto the building official is not required forordinary repairs to structures. Such re-pairs shall not include the cutting awayof any wall, partition or portion thereof,the removal or cutting of any structuralbeam or load-bearing support, or theremoval or change of any requiredmeans of egress, or rearrangement ofparts of a structure affecting the egressrequirements; nor shall ordinary re-pairs include an addition to, alterationof, replacement or relocation of anystandpipe, water supply, sewer, drain-age, drain leader, gas, soil, waste, ventor similar piping, electric wiring or me-chanical or other work affecting publichealth or general safety.

105.3 Application for permit.

To obtain a permit, the applicant shallfirst file a complete application in writ-ing on a form furnished by the buildingdepartment for that purpose. Such ap-plication shall:

1. Identify and describe the work to becovered by the permit for which appli-cation is made.

2. Describe the land on which the pro-posed work is to be done by legal de-scription, street address or similardescription that will readily identify anddefinitely locate the proposed buildingor work.

3. Indicate the use and occupancy forwhich the proposed work is intended.

4. Be accompanied by constructiondocuments and other information asrequired in Section 107.

5. State the valuation of the proposedwork.

6. Be signed by the applicant or the ap-plicant’s authorized agent.

7. Give such other data and informa-tion as required by the building official.

105.3.1 Action on application. Thebuilding official shall examine or causeto be examined applications for per-mits and amendments thereto within areasonable time after filing. If the appli-cation or the construction documentsdo not conform to the requirements ofpertinent laws, the building officialshall reject such application in writing,stating the reasons therefor. If thebuilding official is satisfied that the pro-posed work conforms to the require-ments of the construction codes andthe Construction Administrative Codeand laws and ordinances applicablethereto, the building official shall issuea permit therefor as soon as practica-ble.

105.3.2 Time limitation of application.

1. Applications for which no permit isissued within 18 months following thedate of application shall expire by limi-tation and plans and other data submit-ted for review may thereafter bereturned to the applicant or destroyedin accordance with state law.

2. Applications may be canceled for in-activity, if an applicant fails to respondto the department’s written request forrevisions, corrections, actions or addi-tional information within 90 days of thedate of request. The building officialmay extend the response period be-yond 90 days if within the original 90day time period the applicant providesand subsequently adheres to an ap-proved schedule with specific targetdates for submitting the full revisions,corrections or other information need-ed by the department.

3. The building official may extend thelife of an application if any of the follow-ing conditions exist:

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a. Compliance with the State Environ-mental Policy Act is in progress; or

b. Any other city review is in progress;provided the applicant has submitted acomplete response to city requests orthe building official determines thatunique or unusual circumstances existthat warrant additional time for such re-sponse, and the building official deter-mines that the review is proceeding ina timely manner toward final city deci-sion; or

c. Litigation against the city or appli-cant is in progress, the outcome ofwhich may affect the validity or the pro-visions of any permit issued pursuantto such application.

105.3.3 Verification of contractor regis-tration. Prior to issuance of a permit forwork which is to be done by a contrac-tor required to be registered pursuantto RCW 18.27, the applicant shall pro-vide the City with the contractor’s reg-istration number and Mercer Islandbusiness license number and any oth-er information determined necessaryby the City to allow verification thatsuch contractor is currently registeredas required by law.

105.4 Validity of permit. The issuanceor granting of a permit shall not be con-strued to be a permit for, or an approv-al of, any violation of any of theprovisions of the construction codesand the Construction AdministrativeCode or of any other ordinance of thejurisdiction. Permits presuming to giveauthority to violate or cancel the provi-sions of the construction codes and theConstruction Administrative Code orother ordinances of the jurisdictionshall not be valid. The issuance of apermit based on construction docu-ments and other data shall not preventthe building official from requiring thecorrection of errors in the construction

documents and other data. The build-ing official is also authorized to preventoccupancy or use of a structure wherein violation of the construction codesand the Construction AdministrativeCode or of any other ordinances of thisjurisdiction.

105.5 Expiration.

1. Every permit issued shall expire twoyears from the date of issuance. Thebuilding official may approve a requestfor an extended expiration date wherea construction schedule is provided bythe applicant and approved prior topermit issuance.

2. Every permit that has been expiredfor one year or less may be renewedfor a period of one year for an addition-al fee as long as no changes havebeen made to the originally approvedplans. For permits that have been ex-pired for longer than one year, a newpermit must be obtained and new feespaid. No permit shall be renewed morethan once.

3. Electrical, mechanical and plumbingpermits shall expire at the same timeas the associated building permit ex-cept that if no associated building per-mit is issued, the electrical,mechanical and/or plumbing permitshall expire 180 days from issuance.

4. The building official may authorize a30-day extension to an expired permitfor the purpose of performing a final in-spection and closing out the permit aslong as not more than 180 days haspassed since the permit expired. The30-day extension would commence onthe date of written approval. If work re-quired under a final inspection is notcompleted within the 30-day extensionperiod, the permit shall expire. Howev-er, the building official may authorizean additional 30-day extension if con-

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ditions outside of the applicant’s con-trol exist and the applicant is making agood faith effort to complete the per-mitted work.

105.6 Suspension or revocation. Thebuilding official is authorized to sus-pend or revoke a permit issued underthe provisions of the constructioncodes and the Construction Adminis-trative Code wherever the permit is is-sued in error or on the basis ofincorrect, inaccurate or incomplete in-formation, or in violation of any ordi-nance or regulation or any of theprovisions of the construction codesand the Construction AdministrativeCode.

105.7 Placement of permit. The build-ing permit or copy shall be kept on thesite of the work until the completion ofthe project. For access to permit for in-spections, see Section 110.6.

105.8 Simultaneous issuance of per-mits. Land clearing, building demoli-tion, and grading permits will not beissued prior to the issuance of a build-ing permit when a separate land clear-ing, building demolition, or gradingpermit is required; provided, however,that after due consideration of the spe-cific circumstances of the project thebuilding official may issue such per-mits prior to issuance of a building per-mit, otherwise all permits are to beissued simultaneously.

SECTION 106FLOOR AND ROOF DESIGN LOADS

106.1 Live Loads Posted. Where thelive load for which each floor or portionthereof of a commercial or industrialbuilding is or has been designed to ex-ceed 50 psf (2.40kN/m²), such designlive load shall be conspicuously postedby the owner in that part of each storyin which they apply, using durable

signs. It shall be unlawful to remove ordeface such notices.

106.2 Issuance of certificate of occu-pancy. A certificate of occupancy re-quired by Section 111 shall not beissued until the floor load signs re-quired by Section 106.1 have been in-stalled.

106.3 Restrictions on loading. It shallbe unlawful to place, cause or permit tobe placed, on any floor or room of abuilding, structure or portion thereof, aload greater than is permitted by thiscode.

SECTION 107SUBMITTAL DOCUMENTS

107.1 Submittal documents. Submittaldocuments consisting of constructiondocuments, statement of special in-spection and structural observationprograms, engineering reports andcalculations, diagrams and other datashall be submitted with each permit ap-plication for a permit. The constructiondocuments shall be prepared by a reg-istered design professional where re-quired by the State of Washington.Where special conditions exist, thebuilding official is authorized to requireadditional construction documents tobe prepared by a registered designprofessional.

Exception: The building official is au-thorized to waive the requirement forsubmission of construction documentsand other data if it is found that the na-ture of the work applied for is such thatreview of construction documents isnot necessary to obtain compliancewith the construction codes.

107.2 Construction documents. Con-struction documents shall be in accor-dance with sections 107.2.1 through107.2.5.

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107.2.1 Information on constructiondocuments. Construction documentsshall be dimensioned and drawn uponsuitable material. Electronic mediadocuments are permitted to be submit-ted when approved by the building offi-cial. Construction documents shall beof sufficient clarity to indicate the loca-tion, nature and extent of the work pro-posed in the proper orientation andlayout as it is to be constructed andshow in detail that it will conform to theprovisions of the construction codesand the Construction AdministrativeCode and relevant laws, ordinances,rules and regulations, as determinedby the building official. The plans mustinclude the relevant items listed in thissection and any other information ordocuments as deemed necessary bythe building official.

107.2.2 Fire protection system shopdrawings. Shop drawings for the fireprotection system(s) shall be submit-ted to indicate conformance with theconstruction codes, the ConstructionAdministrative Code, and the con-struction documents and shall be ap-proved prior to the start of systeminstallation. Shop drawings shall con-tain all information as required by thereferenced installation standards inChapter 9 of the IBC. Shop drawingsshall be prepared by a certified individ-ual as required by the State of Wash-ington.

107.2.3 Means of egress. The con-struction documents shall show in suf-ficient detail the location, construction,size and character of all portions of themeans of egress in compliance withthe provisions of the constructioncodes. In other than one- and two-fam-ily dwellings and in Groups R-2, R-3,and I-1 occupancies, the constructiondocuments shall designate the numberof occupants to be accommodated on

every floor and in all rooms and spac-es.

107.2.4 Exterior wall envelope. Con-struction documents for all buildingsshall describe the exterior wall enve-lope in sufficient detail to determinecompliance with the constructioncodes. The construction documentsshall provide details of the exterior wallenvelope as required, including flash-ing; intersections with dissimilar mate-rials; corners; end details; controljoints; intersections at roof eaves orparapets; means of drainage; water-resistive membranes; and detailsaround openings. The constructiondocuments shall include manufactur-er’s installation instructions that pro-vide supporting documentation thatthe proposed penetration and openingdetails described in the constructiondocuments maintain the weather resis-tance of the exterior wall envelope.The supporting documentation shallfully describe the exterior wall systemwhich was tested, where applicable,as well as the test procedure used.

Exception: Subject to the approval ofthe building official, one- and two-fam-ily dwellings and Group R-3 and U oc-cupancies may be exempt from thedetailing requirements of this section.

107.2.4.1 Building enclosure designrequirements of Revised Code ofWashington (RCW) 64.55 (otherwiseknown as Engrossed House Bill (EHB)1848).

Building enclosure design documentsof new or rehabilitated multifamilybuildings that are subject to regula-tions of Engrossed House Bill 1848must be submitted at the time of permitapplication. All applications for buildingconstruction or rehabilitation shall in-clude design documents prepared andstamped by an architect or engineer

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that identify the building enclosure(building enclosure documents), in-cluding but not limited to waterproof-ing, weather proofing and/or otherwiseprotected from water or moisture intru-sion, unless a recorded irrevocablesale prohibition covenant is submittedto the City.

The city is prohibited from issuing apermit for construction or rehabilitativeconstruction unless the building enclo-sure documents contain a stampedstatement by the person stamping thebuilding enclosure design documentsin substantially the following form,“The undersigned has provided build-ing enclosure documents that in myprofessional judgment are appropriateto satisfy the requirements of sections1 through 10 of EHB 1848”. The city isnot responsible for determining wheth-er the building enclosure design docu-ments or the inspections performedare adequate or appropriate to satisfythe requirements of the act.

See MICC 19.08.060, Condominiumconversions, for additional require-ments.

107.2.5 Site plan. The constructiondocuments submitted with the applica-tion for permit shall be accompaniedby a site plan showing to scale the sizeand location of new construction andexisting structures on the site, distanc-es from lot lines, the established streetgrades and the proposed finishedgrades and, as applicable, flood haz-ard areas, floodways, and design floodelevations; and it shall be drawn in ac-cordance with an accurate boundaryline survey. In the case of demolition,the site plan shall show construction tobe demolished and the location andsize of existing structures and con-struction that is to remain on the site orplot. The building official is authorizedto waive or modify the requirement for

a site plan when the application forpermit is for an alteration or repair orwhen otherwise warranted.

107.2.5.1 Design flood elevations.Where design flood elevations are notspecified, they shall be established inaccordance with Section 1612.3.1 ofthe IBC.

107.2.6 Electrical.

1. Electrical Engineer. Electrical plansfor the following installations shall beprepared by or under the direction ofan electrical engineer registered underChapter 18.43 RCW, and Chapters180-29, 246B-320, and 388-97 WAC.All electrical plans must bear the engi-neer’s stamp and signature.

a. All educational facilities, hospitalsand nursing homes;

b. All services or feeders rated 1,600amperes or larger;

c. All installations identified in the Na-tional Electrical Code requiring engi-neering supervision;

d. As required by the building officialfor installations which by their natureare complex, hazardous or poseunique design problems.

2. Information on construction docu-ments. Construction documents shallidentify the name and classification ofthe facility and clearly show the electri-cal installation or alteration in floor planview, include all switchboard and pan-elboard schedules and when a serviceor feeder is to be installed or altered,must include a riser diagram, load cal-culation, fault current calculation, andinterrupting rating of equipment.

3. Penetrations. Construction docu-ments shall indicate where penetra-

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tions will be made for electricalsystems and shall indicate the materi-als and methods for maintaining re-quired structural safety, fire-resistancerating and fire-blocking.

4. Load calculations. Where an addi-tion or alteration is made to an existingelectrical system, an electrical loadcalculation shall be prepared to deter-mine if the existing electrical servicehas the capacity to serve the addedload.

5. Plan review required. Electrical planreview is required for all new or alteredelectrical projects in the following oc-cupancies and/or installations:

a. Educational, institutional, or healthcare facilities/buildings as follows:

Hospital

Nursing home unit or long-term careunit

Boarding home

Assisted living facility

Private alcoholism hospital

Alcoholism treatment facility

Private psychiatric hospital

Maternity home

Ambulatory surgery facility

Renal hemodialysis clinic

Residential treatment facility for psy-chiatrically impaired children andyouth

Adult residential rehabilitation center

Educational facilities

Institutional facilities

Exceptions:

1. Electrical Plan review is not requiredfor the above educational, institutional,or health care facilities buildingswhere:

a. Lighting specific projects that resultin an electrical load reduction on eachfeeder involved in the project;

b. Low voltage systems;

c. Modification to existing electrical in-stallations where all of the followingconditions are met:

i. Service or distribution equipment in-volved is rated 100 amperes or greaterand does not exceed 250 volts;

ii. Does not involve emergency sys-tems other than listed unit equipmentper NEC 700.12(F);

iii. Does not involve branch circuits orfeeders of an essential electrical sys-tem as defined in NEC 517.2; and

iv. Service and feeder load calcula-tions are increased by 5% or less.

d. Stand-alone utility fed services thatdo not exceed 250 volts, 100 ampereswhere the project’s distribution systemdoes not include:

i. Emergency systems other than listedunit equipment per NEC 700.12(F);

ii. Critical branch circuits or feeders asdefined in NEC 517.2; or

iii. A required fire pump system.

2. Alterations in non-residential occu-pancies 2,500 square feet and greater.

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3. Installations in occupancies, exceptone and two family dwellings, where aservice or feeder rated 100 amperes orgreater is installed or altered or if morethan 100 amperes is added to the ser-vice or feeder.

4. All work on electrical systems oper-ating at/over 600 Volts.

5. All commercial generator installa-tions or alterations.

6. All work in areas determined to behazardous (classified) location by theNEC.

7. If 60% or more of luminaireschange.

8. Installations of switches or circuitbreakers rated four hundred amperesor over except for one and two familydwellings.

9. Wind driven generators.

10. Solar photovoltaic systems.

11. Any proposed installation whichcannot be adequately described in theapplication form.

107.2.7 Plumbing.

Plans must be submitted for reviewand approval whenever the scope ofthe work is too complex for inspectionalone as determined by the building of-ficial.

107.2.8 Mechanical.

Plans must be submitted for reviewand approval whenever the scope ofthe work is too complex for inspectionalone as determined by the building of-ficial.

107.3 Examination of documents. Thebuilding official shall examine or causeto be examined the accompanyingsubmittal documents and shall ascer-tain by such examinations whether theconstruction indicated and describedis in accordance with the requirementsof the construction codes, the Con-struction Administrative Code, andother pertinent laws or ordinances.

107.3.1 Use of consultants. Wheneverreview of a building permit applicationrequires retention by the jurisdiction forprofessional consulting services, theapplicant shall reimburse to the juris-diction the cost of such professionalconsulting services. This fee shall be inaddition to the normal plan review andbuilding permit fees. The jurisdictionmay require the applicant to deposit anamount with the jurisdiction estimatedin the discretion of the building officialto be sufficient to cover anticipatedcosts to retaining professional consult-ant services and to ensure reimburse-ment for such costs.

107.3.2 Approval of construction docu-ments. When the building official is-sues a permit, the constructiondocuments shall be approved, in writ-ing or by stamp, as “Reviewed forCode Compliance.” One set of con-struction documents so reviewed shallbe retained by the building official. Theother set shall be returned to the appli-cant, shall be kept at the site of workand shall be open to inspection by thebuilding official or a duly authorizedrepresentative.

107.3.3 Phased approval. The buildingofficial is authorized to issue a permitfor the construction of foundations orany other part of a building or structurebefore the construction documents forthe whole building or structure havebeen submitted, provided that ade-quate information and detailed state-

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ments have been filed complying withpertinent requirements of the construc-tion codes and the Construction Ad-ministrative Code. The holder of suchpermit for the foundation or other partsof a building or structure shall proceedat the holder’s own risk with the build-ing operation and without assurancethat a permit for the entire structure willbe granted.

107.4 Design professional in responsi-ble charge.

107.4.1 General. When it is requiredthat documents be prepared by a qual-ified registered design professional,the building official shall be authorizedto require the owner to engage anddesignate on the building permit appli-cation a registered design professionalwho shall act as the registered designprofessional in responsible charge. Ifthe circumstances require, the ownershall designate a substitute registereddesign professional in responsiblecharge who shall perform the duties re-quired of the original registered designprofessional in responsible charge.The building official shall be notified inwriting by the owner if the registereddesign professional in responsiblecharge is changed or is unable to con-tinue to perform the duties. The regis-tered design professional inresponsible charge shall be responsi-ble for reviewing and coordinating sub-mittal documents prepared by others,including phased and deferred submit-tal items, for compatibility with the de-sign of the building. Where structuralobservation is required by Section1710 of the IBC, the inspection pro-gram shall name the individual or firmswho are to perform structural observa-tions and describe the stages of con-struction at which structuralobservation is to occur (see also otherduties specified in Chapter 17 of theIBC).

107.4.2 Deferred submittals. For thepurposes of this section, deferred sub-mittals are defined as those portions ofthe design that are not submitted at thetime of the application and that are tobe submitted to the building officialwithin a specified period. Deferral ofany submittal items shall have the priorapproval of the building official. Theregistered design professional in re-sponsible charge shall indicate the listof deferred submittals on the construc-tion documents for review by the build-ing official. Documents for deferredsubmittal items shall be submitted tothe registered design professional inresponsible charge who shall reviewthem and forward them to the buildingofficial with a notation indicating thatthe deferred submittal documentshave been reviewed and have beenfound to be in general conformance tothe design of the building. The de-ferred submittal items shall not be in-stalled until the deferred submittaldocuments have been approved bythe building official. The building offi-cial is authorized to charge an addi-tional plan review fee to evaluatedeferred submittals under the provi-sions of this section.

107.5 Amended construction docu-ments. Work shall be installed in ac-cordance with the approvedconstruction documents, and anychanges made during constructionthat are not in compliance with the ap-proved construction documents shallbe resubmitted for approval as anamended set of construction docu-ments. The building official is autho-rized to charge an additional planreview fee to evaluate revisions to theapproved construction documents.

107.6 Retention of construction docu-ments. One set of approved construc-tion documents shall be retained bythe building official for a period of not

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less than 180 days from date of com-pletion of the permitted work or as re-quired by state or local laws.

SECTION 108TEMPORARY STRUCTURES ANDUSES

108.1 General. The building official isauthorized to issue a permit for tempo-rary structures and temporary uses.Such permits shall be limited as to timeof service, but shall not be permittedfor more than 180 days. The buildingofficial is authorized to grant exten-sions for demonstrated cause.

Exceptions:

1. The provisions of this code do notapply to temporary growing structuresused solely for the commercial produc-tion of horticultural plants including or-namental plants, flowers, vegetablesand fruits. “Temporary growing struc-ture” means a structure that has thesides and roof covered with polyethyl-ene, polyvinyl or similar flexible syn-thetic material and is used to provideplants with either frost protection or in-creased heat retention. A temporarygrowing structure is not considered abuilding for purposes of this code.

2. The provisions of this code do notapply to the construction, alteration, orrepair of temporary worker housing ex-cept as provided by rule adopted underChapter 70.114A RCW or Chapter 37,Laws of 1998 (SB 6168). “Temporaryworker housing” means a place, areaor piece of land where sleeping placesor housing sites are provided by anemployer for his or her employees orby another person, including a tempo-rary worker housing operator, who isproviding such accommodations foremployees, for temporary, seasonaloccupancy, and includes “laborcamps” under RCW 70.54.110.

3. The building official may authorizeunheated tents and yurts under 500square feet accommodating R-1 occu-pancy for recreational use as a tempo-rary structure and allow them to beused indefinitely.

108.2 Electrical. If the building officialfinds that the safety of life and propertywill not be jeopardized, permits may beissued for temporary electrical installa-tions for use during the construction ofbuildings or for carnivals, conventions,festivals, fairs, the holding of religiousservices, temporary lighting of streets,or other approved uses. Permission touse such temporary installation shallnot be granted for a greater length oftime than thirty days, except that a per-mit for a temporary installation to beused for constructing of a building maybe issued for the period of construc-tion. Should such temporary lightingbe over the street area, the proper au-thorization for such use of the streetmust first be obtained.

All such temporary installations shallbe made in accordance with the re-quirements of this NEC; provided, thatthe building official may permit devia-tions which will not permit hazards tolife or property; and further provided,that whenever such hazards aredeemed by the building official to exist,the building official may at once re-scind or cancel the permit coveringsuch installation and disconnect or or-der the disconnection of all energy tosuch equipment.

108.3 Conformance. Temporary struc-tures and uses shall conform to thestructural strength, fire safety, meansof egress, accessibility, light, ventila-tion and sanitary requirements of theconstruction codes as necessary toensure the public health, safety andgeneral welfare.

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108.4 Termination of approval. Thebuilding official is authorized to termi-nate such permit for a temporary struc-ture or use and to order the temporarystructure or use to be discontinued.

108.5 Bonds and set-aside accounts.The building official may require a per-formance bond or set-aside account tobe in place prior to issuance of a permitfor temporary structures and tempo-rary uses.

SECTION 109FEES

109.1 Payment of fees. A permit shallnot be valid until applicable develop-ment and construction permit fees es-tablished by City Council by resolutionhave been paid, nor shall an amend-ment to a permit be released until anyadditional fee required, if any, hasbeen paid.

109.2 Schedule of permit fees. Onbuildings, structures, gas, mechanical,electrical and plumbing systems or al-terations requiring a permit, a fee foreach permit shall be paid as required,in accordance with a schedule of feesto be recommended by the buildingand/or code official and approved bycity council by resolution.

109.3 Plan Review Fees. When sub-mittal documents are required by Sec-tion 107, a plan review fee shall bepaid at the time of submitting the con-struction documents for plan review.The building official may have the op-tion to charge a deposit in lieu of thefull plan review fee if the full amount isnot known at the time. Any plan reviewdeposit shall be applied toward the to-tal plan review fee owed. The actualpermit fees and related plan review feeshall be determined upon completionof the plan review and the balance ow-ing shall be paid at the time of permit

issuance. The plan review fee shall bea separate fee from the permit feesspecified in this section and is in addi-tion to the permit fees. When submittaldocuments are incomplete or changedso as to require additional plan reviewor when the project involves deferredsubmittal items as defined in Section107.4.2, an additional plan review feeshall be charged at the rate set forth byresolution.

109.4 Building permit valuations. Theapplicant for a permit shall provide anestimated permit valuation at time ofapplication. The determination of valu-ation shall be made by the building of-ficial if not clearly established byresolution.

109.5 Work commencing before per-mit issuance. Any person who com-mences any work on a building,structure, gas, mechanical, electricalor plumbing system before obtainingthe necessary permits shall be subjectto a stop work order and a special in-vestigation fee in an amount equal totwice the permit fee, or otherwise es-tablished by the building official. Thespecial investigation fee shall be paidin addition to the required permit fees.

109.6 Related fees. The payment offees for the construction, alteration, re-moval or demolition for work done inconnection to or concurrently with thework authorized by a building permitshall not relieve the applicant or holderof the permit from the payment of otherfees that are prescribed by law.

109.7 Refunds. The building officialmay authorize refunding of not morethan 80 percent of the permit fee paidwhen no work has been done under apermit issued in accordance with thischapter. The building official may au-thorize refunding of not more than 80percent of the plan review fee paid

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when an application for a permit forwhich a plan review fee has been paidis withdrawn or canceled before anyplan review is done. The building offi-cial shall not authorize refunding of anyfee paid except on written applicationfiled by the original permittee not laterthan 180 days after the date of applica-tion.

SECTION 110INSPECTIONS

110.1 General. Construction or workfor which a permit is required shall besubject to inspection by the building of-ficial and such construction or workshall remain accessible and exposedfor inspection purposes until approved.Approval as a result of an inspectionshall not be construed to be an approv-al of a violation of the provisions of theconstruction codes, the ConstructionAdministrative Code, or of other ordi-nances of the jurisdiction. Inspectionspresuming to give authority to violateor cancel the provisions of the con-struction codes, the Construction Ad-ministrative Code, or of otherordinances of the jurisdiction shall notbe valid. It shall be the duty of the per-mit applicant to cause the work to re-main accessible and exposed forinspection purposes. Neither the build-ing official nor the jurisdiction shall beliable for expenses entailed in the re-moval or replacement of any materialrequired to allow inspection.

110.2 Preliminary inspections. Beforeissuing a permit, the building official isauthorized to examine or cause to beexamined buildings, structures, instal-lations, and sites for which an applica-tion has been filed.

110.3 Manufacturer’s installation in-structions. Manufacturer’s installationinstructions, as required by the con-

struction codes, shall be available onsite at the time of inspection.

110.4 Required inspections. The build-ing official, upon notification, shallmake the inspections set forth in Sec-tions 110.4.1 through 110.4.16.

110.4.1 Footing and foundation in-spection. Footing and foundation in-spections shall be made after poles orpiers are set or trenches or basementareas are excavated and all requiredhold-down anchor bolts, hold-downstraps, any forms erected, and any re-quired reinforcing steel is in place andsupported. The foundation inspectionshall include excavations for thickenedslabs intended for the support of bear-ing walls, partitions, structural sup-ports, or equipment and specialrequirements for wood foundations.Materials for the foundation shall be onthe job, except where concrete isready mixed in accordance with ASTMC 94, the concrete need not be on thejob.

110.4.2 Concrete slab and under-floorinspection. Concrete slab and under-floor inspections shall be made afterin-slab or under-floor reinforcing steeland building service equipment, con-duit, slab insulation, piping accesso-ries and other ancillary equipmentitems are in place, but before any con-crete is placed or floor sheathing in-stalled, including the subfloor.

110.4.3 Lowest floor elevation. In floodhazard areas, upon placement of thelowest floor, including the basement,and prior to further vertical construc-tion, the elevation certification requiredin IBC Section 1612 or IRC SectionR322 shall be submitted to the buildingofficial. FEMA Flood elevation certifi-cates shall contain an original stampand signature of the Surveyor, li-censed by the State of Washington,

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and shall document the elevation ofthe lowest floor, including basement,and other information required by theflood elevation certificate.

110.4.4 Exterior wall sheathing inspec-tion. Exterior wall sheathing shall be in-spected after all wall framing iscomplete, strapping and nailing isproperly installed but prior to beingcovered.

110.4.5 Roof sheathing inspection.The roof sheathing shall be inspectedafter all roof framing is complete. Noroof coverings shall be installed untilinspections are made and approved.

110.4.6 IMC/UPC/Gas/NEC rough-ininspection. Rough-in mechanical, gaspiping, plumbing and electrical sys-tems shall be inspected when therough-in work is complete and, if re-quired, under test. No connections toprimary utilities shall be made until therough-in work is inspected and ap-proved.

110.4.7 Frame inspection. Framing in-spections shall be made after the roofdeck or sheathing, all framing, fireblocking and bracing are in place andpipes, chimneys and vents to be con-cealed are complete and the roughelectrical, plumbing, fire-suppressionpiping, heating wires, pipes and ductsare approved and the building is sub-stantially dry.

110.4.8 Exterior Finish and InsulationSystems (EFIS), Lath and gypsumboard inspection. EFIS, Lath and gyp-sum board inspections shall be madeafter backing, lathing or gypsumboard, interior and exterior, is in place,but before any plastering is applied orgypsum board joints and fasteners aretaped and finished.

Exception: Interior gypsum board thatis not part of a fire-resistance-rated as-sembly or a shear assembly does notrequire inspection.

110.4.9 Fire- and smoke-resistantpenetrations. Protection of joints andpenetrations in fire-resistance-ratedassemblies, smoke barriers andsmoke partitions shall not be con-cealed from view until inspected andapproved.

110.4.10 Energy efficiency inspec-tions.

110.4.10.1 Envelope. In addition to theinspections required in WAC 51-11,the following inspections are also re-quired:

1. Wall insulation. The wall insulationinspection is to be made after exteriorwall weather protection and all wall in-sulation and air vapor retarder sheetsor film materials are in place, but be-fore any wall covering is placed.

2. Glazing. The glazing inspection is tobe made after glazing materials are in-stalled in the building.

3. Exterior roofing insulation. The exte-rior roofing insulation inspection is tobe made after the installation of theroofing and roof insulation, but beforeconcealment.

4. Slab/floor insulation. The slab/floorinsulation inspection is to be made af-ter the installation of the slab/floor in-sulation, but before concealment.

110.4.10.2 Mechanical.

1. Mechanical equipment efficiencyand economizer. The mechanicalequipment efficiency and economizerinspection is to be made after all equip-ment and controls required by the con-

Attachment 6

(Revised 5/11) 17-50

17.14.010

struction codes are installed and priorto the concealment of such equipmentor controls.

2. Mechanical pipe and duct insulation.The mechanical pipe and duct insula-tion inspection is to be made after allpipe, fire-suppression piping and ductinsulation is in place, but before con-cealment.

110.4.10.3 Lighting and motors.

1. Lighting equipment and controls.The lighting equipment and controls in-spection is to be made after the instal-lation of all lighting equipment andcontrols required by the constructioncodes, but before concealment of thelighting equipment.

2. Motors. Motor inspections are to bemade after installation of all equipmentcovered by the construction codes, butbefore concealment.

110.4.11 Electrical.

1. The installation, alteration or exten-sion of any electrical system, fixturesor components for which a permit is re-quired by this code shall be subject toinspection by the building official andsuch electrical systems, fixtures andcomponents shall remain accessibleand exposed for inspection purposesuntil approved by the building official. Itshall be the duty of the permit applicantto cause the electrical systems to re-main accessible and exposed for in-spection purposes. The city shall notbe liable for expenses entailed in theremoval or replacement of material re-quired to permit inspection. When theinstallation of an electrical system iscomplete, an additional and final in-spection shall be made. Electrical sys-tems and equipment regulated by theNational Electrical Code shall not be

connected to the energy source untilauthorized by the building official.

2. The building official may requirespecial inspection of equipment or wir-ing methods where the installation re-quires special training, equipment,expertise, or knowledge. Where suchspecial inspection is required, it shallbe performed by an independent thirdparty acceptable to the building official.The special inspection person/agencyshall be designated and approved pri-or to beginning the installation of wiringor equipment. A written report from thedesignated special inspection agencyindicating that the installation con-forms to the appropriate codes andstandards shall be received by thebuilding official prior to that installationbeing approved. All costs for such test-ing and reporting shall be the responsi-bility of the permit holder.

3. Approval as a result of an inspectionshall not be construed to be an approv-al of a violation of the provisions of theNational Electrical Code or of other or-dinances of the city. Inspections pre-suming to give authority to violate orcancel the provisions of the NationalElectrical Code or other ordinances ofthe city shall not be valid.

4. The building official, upon notifica-tion, shall make the inspections setforth in this section:

a. Underground. Underground inspec-tion shall be made after trenches orditches are excavated and bedded,piping and conductors are installed,and before backfill is put in place.Where excavated soil contains rocks,broken concrete, frozen chunks andother rubble that would damage orbreak the raceway, cable or conduc-tors, or where corrosive action will oc-cur, protection shall be provided in theform of granular or selected material,

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Mercer Island City Code 17.14.010

17-51 (Revised 5/11)

approved running boards, sleeves orother means.

b. Rough-in. Rough-in inspection shallbe made after the roof, framing, fire-blocking and bracing are in place andall wiring and other components to beconcealed are complete, and prior tothe installation of wall or ceiling mem-branes. All required equipmentgrounding conductors installed in con-cealed cable or flexible conduit sys-tems must be completely installed andmade up at the time of the rough-incover inspection.

c. Other inspections. In addition to theinspections specified above, the build-ing official is authorized to make or re-quire other inspections of anyconstruction work to ascertain compli-ance with the provisions of this codeand other laws, which are enforced bythe city.

d. Final Inspection. The final inspec-tion shall be made after all work re-quired by the permit is completed.

5. Traffic management systems.

a. The city will perform the electrical in-spection and acceptance of trafficmanagement systems within its juris-diction. A traffic management systemincludes:

i. Traffic illumination systems;

ii. Traffic signal systems;

iii. Traffic monitoring systems;

iv. The electrical service cabinet andall related components and equipmentinstalled on the load side of the servicecabinet supplying electrical power tothe traffic management system; and

v. Signalization system(s) necessaryfor the operation of a light rail system.A traffic management system can pro-vide signalization for controlling vehic-ular traffic, pedestrian traffic, or rollingstock.

b. The city recognizes that traffic signalconductors, pole and bracket cables,signal displays, traffic signal control-lers/cabinets, and associated compo-nents used in traffic managementsystems are acceptable for the pur-pose of meeting the requirements ofchapter 19.28 RCW provided theyconform with the following standardsor are listed on the Washington statedepartment of transportation (WS-DOT) qualified products list.

WSDOT/APWA Standard Specifica-tions and Plans;

WSDOT Design Manual;

International Municipal Signal Associ-ation (IMSA);

National Electrical Manufacturers As-sociation (NEMA);

Federal Standards 170/ControllerCabinets;

Manual for Uniform Road, Bridge, andMunicipal Construction;

Institute of Transportation Engineers(ITE);

Manual of Uniform Traffic Control De-vices (MUTCD).

c. Associated induction detection loopor similar circuits will be accepted bythe department or city authorized to doelectrical inspections without inspec-tion.

Attachment 6

(Revised 5/11) 17-52

17.14.010

d. For the licensing requirements ofchapter 19.28 RCW, jurisdictions willbe considered owners of traffic man-agement systems when doing electri-cal work for another jurisdiction(s)under a valid interlocal agreement, aspermitted by chapter 39.34 RCW. In-terlocal agreements for traffic manage-ment systems must be filed with thedepartment or city authorized to doelectrical inspections prior to work be-ing performed for this provision to ap-ply.

e. Jurisdictions, with an establishedelectrical inspection authority, andWSDOT may perform electrical in-spection on their rights of way for eachother by interlocal agreement. Theymay not perform electrical inspectionon other rights of way except as al-lowed in chapter 19.28 or 39.34 RCW.

f. Underground installations.

i. In other than open trenching, race-ways will be considered “fished” ac-cording to the NEC and do not requirevisual inspection.

ii. The department or city authorized todo electrical inspections will conductinspections in open trenching within itsjurisdiction upon request.

g. Identification of traffic managementsystem components. Local govern-ment jurisdictions or WSDOT may actas the certifying authority for the safetyevaluation of all components.

i. An electrical service cabinet mustcontain only listed components. Theelectrical service cabinet enclosure isnot required to be listed but will con-form to the standards in subsection (h)of this section.

ii. The local government jurisdictionmust identify, as acceptable, the con-

troller cabinet or system component(s)with an identification plate. The identi-fication plate must be located insidethe cabinet and may be attached withadhesive.

h. Conductors of different circuits insame cable, enclosure, or raceway. Alltraffic management system circuits willbe permitted to occupy the same ca-ble, enclosure, or raceway without re-gard to voltage characteristics,provided all conductors are insulatedfor the maximum voltage of any con-ductor in the cable, enclosure, or race-way.

110.4.12 Reinspection. The buildingofficial may require a structure or por-tions of work to be reinspected. A rein-spection fee may be assessed for eachinspection or reinspection when suchportion of work for which the inspectionwas requested is not complete; orwhen previous corrections called forare not made; or when the approvedplans and permit are not on site in aconspicuous or pre-approved location;or when the building is not accessible.In instances where reinspection feeshave been assessed, no additional in-spection of the work shall be providedby the city until the required fees arepaid.

110.4.13 Other inspections. In additionto the inspections specified above, thebuilding official is authorized to makeor require other inspections of any con-struction work to ascertain compliancewith the provisions of the constructioncodes, the Construction AdministrativeCode, and other laws or ordinances ofthe city.

110.4.14 Special inspections. In addi-tion to the inspections specified above,the building official is authorized tomake or require special inspections forany type of work related to the con-

Attachment 6

Mercer Island City Code 17.14.010

17-53 (Revised 5/11)

struction codes by an approved agen-cy at no cost to the jurisdiction.

110.4.15 Building enclosure special in-spection requirements of RCW 64.55(otherwise known as EngrossedHouse Bill (EHB) 1848). EHB 1848 re-quires affected multiunit residentialbuildings to provide a building enclo-sure inspection performed by a thirdparty, independent, and qualified in-spector during the course of initial con-struction and during rehabilitativeconstruction. The city does not verifythe qualifications of the inspector ordetermine whether the building enclo-sure inspection is adequate or appro-priate. However, the City is prohibitedfrom issuing a certificate of occupancyfor the building until the inspector pre-pares a report and submits to the build-ing department a signed lettercertifying that the building enclosurehas been inspected during the courseof construction or rehabilitative con-struction and that the construction is insubstantial compliance with the build-ing enclosure design documents.

See Section 107.2.4.1 Building enclo-sure design requirements of RCW64.55 (EHB 1848) for additional re-quirements.

110.4.16 Final inspection. The final in-spection shall be made after all workrequired by the building permit is com-pleted.

110.5 Inspection agencies. The build-ing official is authorized to accept re-ports of approved inspection agencies,provided such agencies satisfy the re-quirements as to qualifications and re-liability.

110.6 Inspection requests. It shall bethe duty of the permit holder or theirduly authorized agent to notify thebuilding official when work is ready for

inspection. It shall be the duty of thepermit holder to provide access to andmeans for inspections of such workthat are required by the constructioncodes and the Construction Adminis-trative Code.

110.7 Approval required. Work shallnot be done beyond the point indicatedin each successive inspection withoutfirst obtaining the approval of the build-ing official. The building official, uponnotification, shall make the requestedinspections and shall either indicatethe portion of the construction that issatisfactory as completed, or notify thepermit holder or his or her agentwherein the same fails to comply withthe construction codes or the Con-struction Administrative Code. Anyportions that do not comply shall becorrected and such portion shall not becovered or concealed until authorizedor approved by the building official.

SECTION 111CERTIFICATE OF OCCUPANCY

111.1 Use and occupancy. No buildingor structure shall be used or occupied,and no change in the existing occu-pancy classification of a building orstructure or portion thereof shall bemade, until the building official has is-sued a certificate of occupancy as pro-vided herein. Issuance of a certificateof occupancy shall not be construed asan approval of a violation of the provi-sions of the construction codes, theConstruction Administrative Code, orof other ordinances of the jurisdiction.

Exceptions:

1. Work exempt from permits per sec-tion 105.2.

2. For single family dwellings and theiraccessory structures, the City issuedbuilding permit inspection record may

Attachment 6

(Revised 5/11) 17-54

17.14.010

serve as the certificate of occupancywhen the final inspection has been ap-proved by the building official or thebuilding official’s designee.

111.2 Certificate issued. After thebuilding official inspects the building orstructure and finds no violations of theprovisions of the construction codes,the Construction Administrative Code,or other laws or ordinances that areenforced by this jurisdiction, the build-ing official shall issue a certificate ofoccupancy that contains the following:

1. The building permit number.

2. The address of the structure.

3. The name and address of the own-er.

4. A description of that portion of thestructure for which the certificate is is-sued.

5. A statement that the described por-tion of the structure has been inspect-ed for compliance with therequirements of the constructioncodes and the Construction Adminis-trative Code for the occupancy and di-vision of occupancy and the use forwhich the proposed occupancy is clas-sified.

6. The name of the building official.

7. The edition of the code under whichthe permit was issued.

8. The use and occupancy.

9. The type of construction.

10. The design occupant load.

11. If an automatic sprinkler system isprovided, whether the sprinkler systemis required.

12. Any special stipulations and condi-tions of the building permit.

111.3 Temporary or phased occupan-cy. The building official is authorized toissue a temporary or phased certificateof occupancy before the completion ofthe entire work covered by the permit,provided that such portion or portionsshall be occupied safely. The buildingofficial is authorized to require in addi-tion to the completion of life safetybuilding components any or all acces-sibility components. The building offi-cial shall set a time period during whichthe temporary or phased certificate ofoccupancy is valid. The building officialis authorized to require that a perfor-mance bond be posted with the city inan amount equal to 150 percent of theincomplete work as determined by thedesign professional. The bond shall berefundable upon inspection, final ap-proval and a request in writing for therefund. It shall be the duty of the appli-cant to request the refund.

111.4 Revocation. The building officialis authorized to, in writing, suspend orrevoke a certificate of occupancy is-sued under the provisions of the con-struction codes and the ConstructionAdministrative Code wherever the cer-tificate is issued in error, or on the ba-sis of incorrect information supplied, orwhere it is determined that the buildingor structure or portion thereof is in vio-lation of any ordinance or regulation orany of the provisions of the construc-tion codes or the Construction Admin-istrative Code.

SECTION 112SERVICE UTILITIES

112.1 Connection of service utilities.No person shall make connectionsfrom a utility, source of energy, fuel orpower to any building or system that isregulated by the construction codes or

Attachment 6

Mercer Island City Code 17.14.010

17-55 (Revised 5/11)

the Construction Administrative Codefor which a permit is required, until ap-proved by the building official.

112.2 Temporary connection. Thebuilding official shall have the authorityto authorize the temporary connectionof the building or system to the utilitysource of energy, fuel or power.

112.3 Authority to disconnect serviceutilities. The building official shall havethe authority to authorize disconnec-tion of utility service to the building,structure or system regulated by theconstruction codes and the Construc-tion Administrative Code in case ofemergency where necessary to elimi-nate an immediate hazard to life orproperty, or when such utility connec-tion has been made without the ap-proval required by Section 112.1 or112.2. The building official shall notifythe serving utility and, wherever possi-ble, the owner and occupant of thebuilding, structure or service system ofthe decision to disconnect prior to tak-ing such action. If not notified by somemethod prior to disconnecting, theowner or occupant of the building,structure or service system shall benotified in writing, as soon as practicalthereafter.

SECTION 113BOARD OF APPEALS

113.1 General. In order to hear and de-cide appeals of orders, decisions ordeterminations made by the buildingofficial relative to the application andinterpretation of the constructioncodes or this administrative code,there shall be a building board of ap-peals as established in MICC Chapter3.28.

113.2 Limitations on authority. An ap-plication for appeal shall be based on aclaim that the true intent of the con-

struction codes or the rules legallyadopted thereunder have been incor-rectly interpreted, the provisions of theconstruction codes do not fully apply,or an equally good or better form ofconstruction is proposed. The buildingboard of appeals shall have no author-ity relative to interpretation of the ad-ministrative provisions of theconstruction codes nor shall the boardbe empowered to waive requirementsof the construction codes which are thecodes, appendices and referencedcode standards adopted by the juris-diction.

SECTION 114VIOLATIONS

114.1 Unlawful acts. It shall be unlaw-ful for any person, firm or corporationto erect, construct, alter, extend, re-pair, move, remove, demolish or occu-py any building, structure or equipmentregulated by the construction codesand the Construction AdministrativeCode, or cause same to be done, inconflict with or in violation of any of theprovisions of the construction codes orthe Construction Administrative Code.

114.2 Enforcement. Enforcement ofthe construction codes and the Con-struction Administrative Code shall bein conformance with the proceduresset forth in MICC 19.15.030; provided,that references to the developmentcode shall be deemed to refer to theConstruction Administrative Code andthe Construction Codes. The code offi-cial may delegate enforcement author-ity to the building official.

SECTION 115STOP WORK ORDER

115.1 Authority. Whenever the build-ing official finds any work being per-formed in a manner either contrary tothe provisions of the construction

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(Revised 5/11) 17-56

17.14.010

codes, the Construction AdministrativeCode, or other pertinent laws or ordi-nances implemented through the en-forcement of the construction codesand the Construction AdministrativeCode, the building official is authorizedto issue a stop work order.

115.2 Issuance. The stop work ordershall be in writing and shall be given tothe owner of the property involved, orto the owner’s agent, or to the persondoing the work. Upon issuance of astop work order, the cited work shallimmediately cease. The stop work or-der shall state the reason for the order,and the conditions under which the cit-ed work will be permitted to resume.

115.3 Investigation fee. The buildingofficial is authorized to assess a spe-cial investigation fee for the issuanceof a stop work order when work hasstarted without the issuance of a per-mit. The special investigation fee shallbe determined by section 109.5.

115.4 Unlawful continuance. Any per-son who shall continue any work in orabout the structure after having beenserved with a stop work order, exceptsuch work as that person is directed toperform to remove a violation or un-safe condition, shall be subject to pen-alties as prescribed by MICC19.15.030.

SECTION 116UNSAFE STRUCTURES ANDEQUIPMENT

116.1 General. Structures or existingequipment that are or hereafter be-come unsafe, unsanitary or deficientbecause of inadequate means ofegress facilities, inadequate light andventilation, or which constitute a firehazard, or are otherwise dangerous tohuman life or the public welfare, or thatinvolve illegal or improper occupancy

or inadequate maintenance, shall bedeemed an unsafe condition. Unsafestructures shall be taken down and re-moved or made safe, as the buildingofficial deems necessary and as pro-vided for in the Uniform Code for theAbatement of Dangerous Buildings orthe Uniform Housing Code. A vacantstructure that is not secured againstentry shall be deemed unsafe.

(Ord. 10C-03 § 11; Ord. 07C-04 § 12; Ord.04C-12 § 4).

Attachment 6

Mercer Island City Code 17.15.030

17-57 (Revised 5/11)

Chapter 17.15

GENERAL PROVISIONS

Sections:17.15.010 Adoption by reference.17.15.020 Construction codes – Defined.17.15.030 Enforcement.17.15.040 Fees.17.15.050 References to codes not adopted.17.15.060 Applicability of codes.17.15.070 Summary of action and authorities.

17.15.010 Adoption by reference. All codes, standards, rules and regulations

adopted by this chapter are adopted by refer-ence, as now existing or hereafter adopted oramended, and as though fully set forth herein.The codes, appendices, and standards set forthin this chapter shall be filed with the city clerkand a copy made available for use and exami-nation by the public, pursuant to RCW35A.12.140. (Ord. 04C-12 § 4).

17.15.020 Construction codes – Defined.“Construction codes” means the codes,

appendices and referenced code standardsadopted by reference, as amended, whichinclude:

International Building Code (IBC)International Residential Code (IRC)International Mechanical Code (IMC)National Fuel Gas Code (NFPA 54)Liquefied Petroleum Gas Code (NFPA 58)International Fuel Gas Code (IFGC)International Fire Code (IFC)Uniform Plumbing Code (UPC)Washington State Energy Code (WSEC)Uniform Code for the Abatement of Dan-

gerous Buildings (UCADB)Uniform Housing Code (UHC)National Electrical Code (NEC). (Ord. 10C-

03 § 12; Ord. 04C-12 § 4).

17.15.030 Enforcement.A. Authority.

1. Development Services Group. Thedevelopment services group of the city of Mer-

Attachment 6

(Revised 5/11) 17-58/68

This page left intentionally blank.

Attachment 6

Mercer Island City Code 17.15.070

17-69 (Revised 1/05)

cer Island shall be responsible for enforcementof the construction codes, under the adminis-trative and operational control of the buildingofficial, who shall be designated by the codeofficial (as defined by MICC 19.16.010); pro-vided, the fire marshal or his or her designeeshall be responsible for enforcement of theInternational Fire Code.

2. Building Official. The building offi-cial is responsible for administration and inter-pretation of the Construction AdministrativeCode and the construction codes; provided, thefire marshal or his or her designee shall beresponsible for administration and interpreta-tion of the fire code.

Whenever the term or title “administrativeauthority,” “responsible official,” “buildingofficial,” “chief inspector,” “code enforcementofficer” or other similar designation is used inthis title or in any of the construction codes, itshall be construed to mean the building officialdesignated by the code official; provided, withregard to the International Fire Code, it shallmean the fire marshal or his or her designee.

B. Procedures. Enforcement of Chapter17.14 MICC, the Construction AdministrativeCode, and the construction codes adopted inChapters 17.01 through 17.13 MICC, shall bein conformance with the procedures set forthin MICC 19.15.030; provided, that referencesto the development code shall be deemed torefer to the Construction Administrative Codeand the construction codes. The director ofdevelopment services group (code official)may delegate enforcement authority to thebuilding official. (Ord. 04C-12 § 4).

17.15.040 Fees.Fees shall be recommended by the building

and/or code official and established by resolu-tion of the Mercer Island city council for eachpermit required under the construction codes.No permit shall be issued until the requiredfees have been paid. (Ord. 04C-12 § 4).

17.15.050 References to codes not adopted.A. Corresponding Codes. Where codes and

standards adopted in this title make referenceto codes and standards not adopted in this title,the codes and standards not adopted shall be

deemed to refer to adopted codes or standardsas follows:

1. References to the InternationalPlumbing Code shall be deemed to refer to theUniform Plumbing Code.

2. References to the International Elec-trical Code shall be deemed to refer to theNational Electrical Code.

3. References to the International Prop-erty Maintenance Code shall be deemed torefer either the Uniform Housing Code or theUniform Code for the Abatement of Danger-ous Buildings as set forth in Chapter 17.14MICC, the Construction Administrative Code,subsection 101.5.7.

4. References to the InternationalEnergy Conservation Code shall be deemed torefer to the Washington State Energy Code andcorresponding requirements of the Washing-ton State Ventilation and Indoor Air QualityCode.

B. Codes and Standards Not Referenced –Coordination of Section References. In theevent of references in a code, standard, or sec-tion that do not correlate accurately to adoptedcodes, standards, or sections, the building offi-cial shall determine the code, standard or sec-tion that most closely correlates. (Ord. 04C-12§ 4).

17.15.060 Applicability of codes. For mechanical, electrical or plumbing per-

mit applications submitted after the ordinancecondified in this title has taken effect, butrelated to the scope of work identified in abuilding permit application that was completeprior to the effective date of the ordinance cod-ified in this chapter, all applicable constructioncodes adopted and in force at the time of filingof the complete building permit applicationwill apply. (Ord. 04C-12 § 4).

17.15.070 Summary of action and authorities.

The table below sets forth actions that thecity may take under its construction codes, thecriteria upon which those decisions are to bebased, and which boards or city staff haveauthority to make the decisions and to hearappeals of those decisions.

Attachment 6

(Revised 1/05) 17-70

17.15.070

(Ord. 04C-12 § 4).

ACTIONDECISION

AUTHORITYCRITERIA

APPEAL AUTHORITY

Building Permit Building official Chapter 17.14 MICC, Section 105

Building board of appeals

Grading and Clearing Permit

Building official Chapter 17.14 MICC, Section 105

Building board of appeals

Construction Code Interpretations

Building official (fire code official for International Fire Code)

Chapter 17.14 MICC, Section 104; IFC Section 108 and MICC 17.07.020(F), (G), and (H)

Building board of appeals

Attachment 6

Mercer Island City Code 17.16.040

17-71 (Revised 2/08)

Chapter 17.16

AUTOMATIC FIRE-SPRINKLER SYSTEMS

Sections:17.16.010 Applicability.17.16.020 New construction.17.16.030 New townhouses.17.16.040 Additions and alterations to

existing buildings.

17.16.010 Applicability. For purposes of MICC 17.16.020 through

17.16.040, “gross floor area” shall be asdefined in the International Fire Code (IFC)Section 1002.1, Definitions for FLOORAREA, GROSS. (Ord. 04C-12 § 4).

17.16.020 New construction. An automatic fire-sprinkler system shall be

installed in all newly constructed buildings,regardless of use, with a gross floor area of5,000 or greater square feet. (Ord. 04C-12 § 4).

17.16.030 New townhouses.An automatic fire-sprinkler system shall be

installed in all newly constructed zero lot-linetownhouses with an aggregate area of con-nected townhouses of 5,000 or greater squarefeet. (Ord. 04C-12 § 4).

17.16.040 Additions and alterations to existing buildings.

An approved automatic fire-sprinkler sys-tem shall be installed in additions and substan-tial alterations to existing buildings regardlessof use when such addition or substantial alter-ation plus the existing gross floor area equals5,000 or greater square feet. For purposes ofthis section, a “substantial alteration” shall bedefined as an alteration that costs 50 percent ormore of the current assessed value of the struc-ture.

Exception: Additions of up to 750 squarefeet of gross floor area to one- and two-familydwellings and Group R-3 and U Occupanciesare permitted without compliance with this

section. This is a one-time exemption that mustbe recorded on the title. (Ord. 07C-04 § 13;Ord. 04C-12 § 4).

Attachment 6

Attachment 6