significant changes and amendments - columbia, missouri...requirements as dictated in the irc. this...

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Significant Changes and Amendments

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Page 1: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Significant Changes and Amendments

Page 2: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Permit Posting

Page 3: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

R202 Definitions

Structure: Add exception for existing decks being replaced the same size will not be considered a structure for zoning (setback/yard)purposes.

Page 4: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

R106.2 Site Plan

By amendment--Projects where more than two single family dwellings, multiple duplexes, and/or townhomes on one lot shall require commercial civil/site documents per IBC 107.2.5 and must be sealed by a professional engineer licensed in the state of Missouri.

Page 5: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Sunrooms-referenced standards Manufacturer’s specifications required to verify;

Page 6: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Smoke Alarms in Alterations-Amendments

R314.4 Add to exception, “In alterations smoke alarms shall not be required to be interconnected if the dwelling is no more than 2 stories.”

R314.6 Add exception #3, “Smoke alarms in

alterations shall be permitted to be battery operated if the dwelling is no more than 2 stories.”

Page 7: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Guards Adjacent to Fixed Seating

Page 8: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Site Address—R319 Characters must be 4” minimum.

Numbers shall not be spelled out.

Where access is by means of a private road and the

building address cannot be viewed from the public way, a monument, pole or other sign or means shall be used to identify the structure.

Page 9: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

R403.1.6 R403.1.6-- Add to the end of the section just before the exceptions; The connection of the foundation walls to floors shall be per the alternatives labeled 1.1, 1.2, 1.3, 1.4, 2.1, 2.1, 3.1, 3.2, or 4.

Presenter
Presentation Notes
In 2009 ½” anchors were required approximately every foot because installing an anchor every 6’ for lateral support is woefully inadequate and has led to failure. These alternatives were created to alleviate placing an inordinate amount of anchors. The 2015 code—because of industry backlash—has reverted back to the 4’ spacing standard. The BCCC considers this inadequate and these alternative lateral bracing methods are required by ordinance.
Page 10: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 1.1

Page 11: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 1.2

Page 12: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 1.3

Page 13: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 1.4

Page 14: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 2.1

Page 15: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 2.2

Page 16: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 3.1

Page 17: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 3.2

Page 18: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Alternative 4

Page 19: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

R404 Retaining Walls in Excess of 48” Retaining walls that are not laterally supported at the top and that retain in excess of 48” of unbalance fill, or retaining walls exceeding 24” in height that resist lateral loads in addition to soil, shall be designed in accordance with accepted engineering practice. Exception: Walls integral to the house foundation meeting the parameters of Alternative 4.

Page 20: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Retaining Wall Failures

Page 21: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Table R602.3(5)— Size, Height and Spacing of Wood Studs

The process for determining whether wall studs, a wall,

or a story must be engineered based on wall height now checks:

1. Table R602.3(5) Limits laterally unsupported wall height to 10 feet. 2. Section R602.10 (Wall bracing), and if necessary 3 . Section 602.3.1, Exception 2

Page 22: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

602.3.1-Stud size, height and spacing Exception 2 Section R602.3.1 Amend as follows: Where snow loads are less than or equal to 25 pounds per square foot, and the ultimate design wind speed is less than or equal to 130 mph, 2-inch by 6-inch studs supporting a roof load with not more than 6 feet of tributary length shall have a maximum height of 18 feet where spaced at 16 inches on center, or 20 feet where spaced at 12 inches on center. Studs shall be a minimum No. 2 grade lumber. Alternatively 2-inch by 6-inch No. 2 grade studs supporting a roof and floor load with not more than 10 foot of tributary length shall have a maximum stud height of 14 feet.

Page 23: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Prescriptive Energy Compliance

Page 24: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

R-10 Rigid Insulation Required at Slab Foundation-Protection of Insulation must extend 6” below grade (N1101.11.1)

Page 25: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Slab R-Value & Depth—Zone 4 Equivalent U-Factors

Page 26: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Slab Insulation Methods

Page 27: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Slab Insulation Protection If a monolithic slab and foundation is being used, the required insulation would obviously need to be installed on the exterior and then either extended to the required depth OR turned out to the exterior and be protected either by some type of pavement or a minimum of 10 inches of soil.

Page 28: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Slab Insulation Protection Protection of exposed foundation insulation. Insulation applied to the exterior of the slab on grade floors shall have a rigid, opaque and weather resistant covering to prevent the degradation of the insulation’s thermal performance. The protective covering shall extend not less than 6 inches below grade.

Page 29: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Easy does It !!!!

Page 30: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

N1102.1.5—Total UA Alternative—Thermal Envelope

If the total building thermal envelope UA (sum of U-factor times assembly area) is less than or equal to the total UA resulting from using the U-factors in Table 1102.1.4 (multiplied by the same assembly area as in the proposed building), the building shall be considered in compliance with Table N1102.1.2.

Page 31: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Total UA alternative-Cont. The UA calculation shall be done using a method consistent with the ASHRAE Handbook of Fundamentals and shall include the thermal bridging effects of framing materials. The SHGC requirements shall be met in addition to UA compliance. (REScheck may be used w/Certified home energy rater) This allows significant design flexibility.

Page 32: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Accepted third party analysis HERS Index and Energy Codes HERS-Home Energy

Rating System Certified Residential Energy Services Network Rater Design Professional Registered in the State of Missouri

Calculations must be submitted for approval

Page 33: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Energy Efficiency Certificate

Page 34: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Appendix U-Solar Ready Requirements Applies to new detached one and two family dwellings and townhouses with not less than 600 square foot of roof area oriented between 110 degrees and 270 degrees of true north. U103.3 Solar Ready Zone Area. The total solar ready zone area shall

be not less than 300 square feet. Townhouses less than 2,000 square feet the zone may be reduced to 150 square feet. The zone shall be composed of areas not less than 5 feet in width and not less than 80 square feet.

U103.4 Solar ready zones shall be free from obstructions—including but not limited to vents, chimneys, roof mounted equipment, dormers.

U103.5 Roof load requirements are met when built to IRC for our

zone.

Page 35: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Solar Ready Requirements-Cont. U103.6 Construction documents shall indicate pathways for routing

of conduit to the electrical service panel.

U103.7 The main electrical service panel shall have reserved space to allow installation of a dual pole circuit breaker-shall be labeled---“For Future Solar Electric”--- The reserved space shall be positioned at the opposite end from the input feeder location or main circuit location.

U103.8 A permanent certificate indicating the solar ready zone and other requirements shall be posted.

Page 36: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Reaction so far?

Page 37: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Solar Ready Provisions-Solar Ready Zone

Presenter
Presentation Notes
Pathways for routing of conduit to be noted on the roof plan and used for the solar ready certificate. Area of solar ready zone, in square feet, to be noted on the plan.
Page 38: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

IMPORTANT DISTINCTION Residential Building. For this code , includes detached

one- and two-family dwellings and multiple single family dwellings (townhouses) as well as group R-2, R-3 and R-4 buildings three stories or less in height above grade plane.

This means buildings meeting this definition will be required to meet the same residential energy efficiency requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement diagram may be used for compliance. Solar ready provisions must be met.

Page 39: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Pressure Test Gauges must 100 psi max at the highest end of the scale.

Presenter
Presentation Notes
Most codes related to trades remain the same—The new codes simply reformat and clarify existing codes.
Page 40: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Several fairly significant electrical code provisions/amendments. 210.8 Ground-Fault Circuit-Interrupter Protection for Personnel. Deletions. The following requirements for GFCI-protection have been deleted by ordinance from the 2014 NEC: Kitchen dishwashers in dwelling units Kitchen appliances, such as garbage disposals or

refrigerators, located within 6-feet of dwelling unit sinks.

Dwelling unit laundry areas, e.g. clothes washers.

Page 41: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

210.17 Electrical Vehicle Branch Circuit. Outlets installed for the sole purpose of charging electric vehicles shall be supplied by a separate, individual branch circuit, having no other outlets.

210.52 (G)(1) Receptacles in Garages. In each attached garage, and in each detached garage with electric power, at least one receptacle shall be installed for each car space.

230.28 Overhead Service Conductors. Service Masts Used as

Supports. (B) Attachment. Service-drop or overhead service conductors shall not be attached to a service mast between a weather-head and a coupling, where the coupling is located above the last point of securement to the building, or is located above the building.

Page 42: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Very Significant Change NEC 250.104(B) Bonding of Metal Piping Systems and

Exposed Structural Metal. Corrugated Stainless Steel Tubing (CSST, or Wardflex/Gastite), gas piping systems shall be bonded to the electrical service grounding electrode system. The bonding jumper shall connect to a metallic pipe or fitting between the point of delivery and the first downstream CSST fitting. The bonding jumper shall not be smaller than 6 AWG copper wire or equivalent, and shall not be more than 75 feet in length. Gas piping systems that contain one or more segments of CSST shall be bonded in accordance with this section.

Page 43: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Bonding Diagram

Page 44: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

Last One !!!!! 690.12 Rapid Shut-down of PV Systems on

Buildings. New requirement for a ‘Kill-Switch’ for PV systems on building roofs, so that PV source circuits will be de-energized from all sources within 10 seconds of when the utility supply is interrupted, or when the PV disconnecting means is opened.

This incorporates a significant improvement in

safety for roof top PV systems based on the safety concerns of the first and second responders of the emergency and fire service communities.

Page 45: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

PV Rapid Shutdown Diagram

Page 46: Significant Changes and Amendments - Columbia, Missouri...requirements as dictated in the IRC. This will include duct and air leakage rate testing. The residential energy codes requirement

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