code check 5 thedit 2008
TRANSCRIPT
BUILDING
PLUMBING
HVAC .
ELECTRICAL
Check® Fifth Edition
By REDWOOD KARDON, MICHAEL CASEY & DOUGLAS HANSEN Illustrations & layout by Paddy Morrissey
© 2007 by The Taunton Press, Inc. ISBN 10 1-56158-839-3 ISBN 13 978-1-56158-839-8 Code Check'" is a trademark of The Taunton Press, Inc., registered in the U.S. Patent & Trademark Office.
Printed in China
Code Check is a field inspection guide to important code requirements and common code violations in the construction of singlefamily and two-family dwellings. The primary reference document for this book is the 2006 edition of the International Residential Code'" for One- and Two-Family Dwellings, published by the International Code Council.
Codes are adopted at different times in different places around the country. New editions come out every three years, and some states make extensive modifications to the model codes prior to adoption. Because the actual code that is used in a particular area could vary, we include references to the two most commonly used codes for every item in the book. Significant code changes have been noted and are included in a summary on the inside back cover. This feature enables the book to be used in areas still using the previous code edition. To determine the particular codes in effect in your area, contact your local building department before beginning your project.
For more information on the building, electrical & mechanical codes, valuable resources, & why Benjamin Franklin is featured in the Code Check series, visit: www.codecheck.com
The code changes referenced on the inside back cover compare the codes in this table to the 2003 IRe, UPC, UMC & 2002 NEC
ABBREVIATIONS
A = amp(s) (ex: a 15A breaker) ABS = acrylonitrile-butadiene-styrene
plastic pipe AMI = in accordance with manufactuer's
GEC = grounding electrode conductor horiz = horizontal IMC = intermediate metal conduit in (after number) = inch(es)(ex: 24in)
Benjamin Franklin
MODEL CODE ORGANIZATIONS
9 o Electrical 27, 29
instructions APOX = appendix appl = appliance ASTM = American Society for Testing &
Materials AWG = American Wire Gauge B (vent) = double-walled round gas
appliance flue bldg = building BO = building official Btu = British thermal unit BW = double-walled oval gas appliance
flue ctm = cubic feet per minute CPVC = chlorinated polyvinyl chloride
plastic pipe CSST = corrugated stainless-steel tubing cu. = cubic (ex: 24cu.ft) Cu = copper CWV = combination waste & vent OFU = drainage fixture unit(s) OW = dishwasher OWV = drain, waste & vent EGC = equipment grounding conductor EMT = electrical metallic tubing eqpt = equipment ex: = for example ext = exterior FO = family dwelling (ex: 1 -FD =
one-family dwelling) FLR = flood level rim
fndn = 'ounaortJo<,
IS = IAPMO Installation Standard L&L = listed & labeled lav = lavatory (bathroom sink) LFMC = liquidtight flexible metal conduit
("sealtight") LFNC = liquidtight flexible nonmetallic
conduit max = maximum min = minimum O.C. = on center PB = polybutylene plastic pipe PE = polyethylene plastic pipe PEX = cross-linked polyethylene plastic
pipe (water pipe) PL = property line psi = pounds per square inch psig = pounds per square inch gauge PVC = polyvinyl chloride plastic pipe or
electrical conduit recep = receptacle outlet (electrical) RMC = rigid metal conduit RNC = rigid nonmetallic conduit (PVC
electrical conduit) SOC = Seismic Design Category SE = service entrance sq. = square (ex: 24sq.in) UL = Underwriter's Laboratories, Inc. VA = volt amps (input power vs. output
power-watts) vert = vertical w/= with wlo = without W = electrical conductors rated for wet
ICC IAPMO
ICBO NFPA
The International Code Council
International Association of Plumbing and Mechanical Officials
International Conference of Building Officials
National Fire Protection Association
For web links, visit www.codecheck.com
SEQUENCE OF INSPECTIONS PLANNING _____________________________________ PAGE
o Plans & Permit _____________________ _
o Special Inspections ___________________ 1, 11
FOUNDATION INSPECTION o Setback, Forms ____________________ 1, 3
o Rebar, Anchors, Hold-Downs 2, 3
o Utility Trenches 13, 24
ROUGH INSPECTIONS o Plumbing ____________________ 13-17
o Mechanical 8, 20
o Electrical 24-26, 28, 29
o Windows 9, 10
o Stairs 11
o Fireblocking 1 2
FRAME & MASONRY INSPECTION o Framing _______________________ 4-6
o Hold-Downs, Diaphragms & Bracing 2, 3, 5, 6
o Exterior Wall & Roof Coverings 7, 8
WALL COVER o Drywall Nailing _____________________ 9
FINAL INSPECTION o Smoke Alarms _____________________ 12
o Plumbing 1 8, 1 9 it
int = interior
location o Mechanical 20-23
Grading from fndn min 6in/ l Oft {6in/6ft} EXC F1 _ _ [401 .3) {1838.2}
5% slope to swale OK when barrier prevents 6in/l Oft [401.3X)4 {1838.2}
:::J Graded site fndn min 12in + 2% above street drain F1 [403.1.7.3) {18065.5}
~ Fndns enclosing usable space req drainage EXC F4 _ [405.1) {1834.1}
VVhere underfloor area is on same grade as ext OR __ [405.1) {1834.1 X}
In ell-drained ground or sand/gravel mixture [405.1 X) tn/a}
:::::; Walls retaining earth & enclosing int space: • Oampproofing to finished grade {6in above grade} OR [406.1)' {1833.1}
igh water table- waterproofing to finished grade_ [406.2)" {1837.3}
s and slabs on expansive soil must be aesigned per I BC specs to prevent damage _ __ [403.1.8) {1804.4}
Graded Site Drainage
Final grade evation of foundation above street gutter = slope min.
1 2in. + 2% of x 6in. within x first 10ft.
{6ft.}
General 061RC 97 UBC D Footing stepped to maintain bottom slope <1 : 10 _ [403.1.5) {1806.4} D Utility or other trench may not undermine footing __ [2604.4) {UPC}
D Size per T2 [403.1.1) {1806.1}
D Excavation free of debris & roots, wood forms removed [408.5, 506.2) {3302} D Pockets for untreated wood beams req 112in air space
at ends & sides [319.1) {2306.6}
T Foundation with Forms
Rebar 3in. min. clearance to soil; use dobie or wire chairs, not bricks Dobie
Min. 12in. & below frost line per 60
I
BUILDING 1
PLANNING SITE & GRADING
General 061RC 97 UBC o Determine climatic and geographic design criteria __ [301 .2) {1804.1}
:::J Special considerations for SOC Do, 0, & 0,,- [301.2.2.4)' {1605.2.2}
:::J Approved plans & permit card on site [106.3.1) {106.4.2}
= ~ Engineered design per I BC specs OK as alternative_ [301.1.3) {2320.2}
e special inspection reports req 'd? T13 [109.1.5) {106.3.5}
= Verify setbacks- unrated wal ls min 5ft {3ft} to PL __ [302.1)2 {T5-A}
0 openings in walls <3ft to PL EXC [302.1)3 {T-5-A}
dn vents & openings in walls perpendicular to PL OK [302.1 X) {0}
I spection & approval prior to covering any work ___ [1 09.4) {108.1} = SOilS, Grading & Drainage :::J
FOOTINGS & FOUNDATIONS
TABLE 2 MINIMUM FOUNDATION SIZE-ALSO SEE T19 [T403_1J & [T18-1-C}
Dimension Number of Floors Supported by Foundation
1 2 3
Depth into previously 12in. [12in.) {18in.} [12in.) {24in.}
undisturbed soil
Wall thickness 6in. 8in. [8in.) {lOin.}
Footing thickness 6in. [6in.) {7in.} [6in.) {8in.}
Footing width 12in. 12in. [17in.) {18in .}
Sill plates req bolts [or equivalent] @6ft O,C, ___ [403.1.6] {1806.6}
D Min 2 bolts per plate section, min 7in embedment_ [403 .1.6] {1806.6}
D Max 12in, min 7 bolt diameter from end of sill F3 __ [403.1.6] {1806.6}
D SDC Do, D, & D2 & light-frame townhouses in SDC C: • Max spacing 4ft O.C. for >2 story [403.1.6.1] {local}
• Plate washers req 'd at braced wall lines [403.1 .6.1] {1806.6.1}
Anchor Bolts & Hold· Downs
Must be within 12in. of endlof sill plate
Hold-downs help secure the structurefrom seismic & wind forces.
---:7""~~Y
•
, Some hold-downs must be through-bolted to posts.
,
FoundationDownspoutDrainage
&
Rigid perforated drainpipe
Tightline drain adapter
6-mil plastic on house side (recommended)
Filter fabric
TABLE 3 REINFORCING STEEL COVER {1907_7_1}
Foundation Surface
Concrete cast against & permanently exposed to earth
Concrete exposed to earth or weather
Not exposed to weather, ex: top of indoor slab
Min. Cover Min. Cover $ No_ 5 bars 2 No.6 bars
3in. 3in.
1 in. {11I2in.} 2in.
3/4in. 3/4in. up to No. 11 bars
Rebar 061RC 97 UBCD SDC Do, D, & D2 {SZ3&4} #4 bar req 'd in bottom of footing
& top of stem wall F2 [403.1.3] {1806.7.1}
D SDC Do, D, & D2 #4 vert bar 4ft O.C. req 'd in CMU or if
construction joint between footing & stem wall _ __ [403.1.3] In/a}
D Min clearance to forms & soil T3,F2,5 [404.1] {1907.7.1}
Plates & Sills D Bottom of sill 6in min to earth [404.1 .6] {1806.1}
D Sill treated or decay resistant [if $8in of earth] [319.1] {2306.4}
D Pressure-treated wood fasteners req hot-dipped galv, stainless steel, silicone bronze, or Cu [exc bolts 2112in diameter] ___ [319.3] {2304.3}
Anchor Bolts D
PLANNING GRADING FOUNDATION REBAR 2
Min. 6x6-1 Oxl 0 Monolithic Slab welded wire mesh Form
board, with Footings between center & upper '/3 of slab removed secured in place after during pour concrete
sets
2 #4 rebar or 1 # 5 in
'ddle 113
BUILDING 3
BASEMENTS & RETAINING WALLS
General 061RC 97 UBC D Design req 'd for retaining walls without lateral support &
retaining >24in unbalanced fill [404.5]' {1611.6}
D Fndn walls considered laterally supported if ALL the following : • Basement floor 31f2in slab tight against wall ___ [404.1]' {1611 .2} • Joist & blocking hardware connections to sill _ __ [404.1]' {1611.2}
• Sill bolt spacing per soil type & backfill height __ [404.1]' {1611.2}
• Joist blocking within 2 joist spaces of fndn wall __ [404.1]' {1611 .2}
• Bldg aspect ratio within values of [Table R404.1 (3)] [404.1]' {16112}
D Parge CMU walls prior to dampproofing EXC [406.1] {1833.3}
Dampproofing materials approved for direct application [406.1 X]" {1833.3} D No backfill :::4ft until walls anchored to floor [404.1.7] {1838.1 } D Reinforcement [when req'd] min distance from soil T4 [404.1.1 ,2] In/a}
CONCRETE SLABS
Concrete Slabs 061RC 97 UBC D Slab floor on grade min 31f2in thick F5 [506.1] {1900.4.4}
D Reinforcement reqs support in place between center & upper 1/3 of slab for duration of slab placement F5 ___ [506.2.4]'· In /a}
D Elevated or wood-supported slab req 's engineering _ _ [lBC] {2307} D Vapor retarder joints min 6in lap under habitable space[506.2.3] {1832.2}
CONCRETE MASONRY UNITS (CMU
General D Hollow block min 8in if >1 story or >9ft [606.2.1] {21 09.6.1} D 6in solid block OK for 1 story to 9ft+6ft of gable _ _ [606.2.1] {21 09.6.1} D Anchor roof & floor structures to masonry walls __ [606.11] {2309} D Reinforcement min distance from soil side T4 __ [404.1.1] In/a}
Grout D All cells w/ reinforcement req fill ___ ____ [609.4.1] {21 04.6.1} D Cleanouts req 'd for pours >4ft {5ft} [609.1.5.2] {2104.6.1} D Max lift of continuous pour 5ft {6ft} [609.1.4] {21 04.6.1}
UNDERFLOOR AREAS (CRAWL SPACES)
Foundation Wall D Remove all form material (exc ICF) & organic debris _ [408.5] { 1906}
D Repair {prevent} rock pockets or voids [404.1] {1905.10.8}
Access Openings D Min 18in high x 24in wide opening EXC _____ [408.4] {2306.3}
16in high OK in perimeter wall [408.4] {ca} D Opening must allow removal of eqpt in crawl space [1305 .1.4] {UMC}
Ventilation D Ext openings req'd under floors exc for basements _ _ [408.1] {2306.7}
D Vent openings within 3ft {as practical} of each corner _ [408.1] {2306.7} D Openings screened or grated {1/4in mesh} [408.2] {2306.7} D Min area 1 sq.ft per 150sq.ft underfloor area EXC __ [408.2]" {2306.7}
o ventilation req 'd if vapor retarder, insulated walls & space cond o ioned or continuous mechanical ventilation _ _ [408.3]12 In/a}
o Min bearing [1 112in on wood], 3in on concrete [502.6]
o Joints over supports must be tied [502.9]
o Max horiz offset under perpendicular bearing walls = depth of joist F7 [502.4]
o No notching tension side if ~4in thick exc at ends __ [502.S.1]
{2320.7} {2320.7}
{2320.S.5} {local}
Bearing-Wall SupporOver Perpendicular
t
Girders
Double Joists Under ParalleBearing Walls
l
Bearing walls should not offset more than the joist depth from the supporting girder below the floor.
W No notching Notching & Boring Joists in middle 1/3, Notch max. 1/6 depth
holes OK
I ~ Holes min. 2in. ... ~ - ; from top, bottom,
t or other holes, max size 1/3 depth
Notch a end 1/4 I I Outer 1/3 of depth max. [No notching at bottom if ~ 4in. thick, except at ends]
Prefabricated I-Joists Holes outside of shaded rectangles allowed if AMI
Min. 13/4in. end bearing (manu)
FLOOR FRAMING ----~--------------
Girders 061RC 97 UBC o Girder end joints must be over supports ______ [502.6] {2320.7}
TABLE 5 JOIST SPANS, NOTCHING & BORING [T502.3.1(2)] & [502.8.1] & {T23-IV-J-l}
Floor Joist Spans-40Ib. Live Load Notching Boring
24in. DF#2 12in.O.C. 16in.O.C.
O.C. End Outer 1/3
2in. to
edge
[2x6]
{2x6}
10f1.9in.
10f1.9in.
9ft.9in.
9ft.9in.
Sf I. 1 in.
Sft.6in. 13/8in. 7/8in. 11/2 in.
[2xS]
{2xS}
14ft.2in.
14ft.2in.
12f1.7in.
12ft.10in.,
10f1.3in.
11f1.3in. 17/8in. 1112in. 23/8in.
[2x10]
{2x10}
17f1.9in.
1Sft.Oin.
15f1.5in.
16ft.5in.
12f1.7in.
14f1.4in. 23f8in . 11/2in. 31/8in.
[2x12]
{2x12}
20ft.7in.
21ft.11 in.
17ft.10in.
19ft.11 in .
14f1.7in.
17ft.5in. 27/8in. 17/8in. 31/2in.
Joists 061RC o Joist spans not to exceed max numbers 'in T5 [502.3]
o Min bearing 11/2in on wood or metal, 3in on concrete _ [502.6]
o Joists into side of girder req hanger or min 2x2 ledger[502.6.2] o Joist lap min 3in & 3 10d nails [502 .6.1]
o Double joists under parallel bearing walls F6 [502.4]
o Prevent rotation of joists (blocking or hangers at ends) [502.7] o Blocking at intermediate supports [SOC Do, 0, & O2]_[502. 7X]
o Joists >2x 12 blocked or bridged max Sft O.C. ___ [502.7.1]
o No notches middle 1/3 of span F8 [502.S.1] o Bored holes min 2in from top or bottom
{2320.S.1}
{2320.S.2} {2320.S.3}
{2320.S.3} {2320.S.5}
{2320.S.3} {2320.S.3}
{i1-2316.2}
{2320.S.3}
or other notch or hole F8 [502.S.1] {2320.S.3}
o Install manufactured I-joists AMI F9 [502.1.4] {2320.1}
o Modification of trusses, I-joists, structural composite lumber, or glue lams only AMI or per design professional F9 [502 .S.2]13 {2304.4.1}
97 UBC
SLABS eMU FLOOR FRAMING 4
Size, spacing, notching & boring per tables T6,Fl 0_ [602.3.1] {2320.11 .1}
o Studs must fully bear on min 2in nominal sale plate_ [602.3.4] {2320.11 .2}o End-jointed lumber OK if identified by grade mark _ [602.1.1] {2304.2}
o Corners req 3 studs min EXC [F602.3(2}] {2320.11.2}
2 studs OK if approved spacers or backup cleats provided for attaching int surfaces [F602.3(2)] {2320.11.2}
Notching & Boring Studs
Bearing
~ :~
40%
(2)" ~ 60%
60% hole OK on bearing walls if the studs are doubled & the holes do not pass through more than 2 parallel studs.
Nonbearing
Altemate braced wall panels « 48 in wide) req tie-downs [602.10.6.1] {2320.11.4}
o Min braced wall panel tie-down strength 1 ,800Ib __ [6021 0.1] {2320.11.4}
o Tie-down device installed AMI F3 [602.10.1] {2320.11.4}
Underfloor Support & Cripple Walls o Cripple studs no less than size of studs above them _ [602.9] {2320.11.5} o Cripple wall <14in sheathed or solidly blocked ___ [602.9] {2320.11.5}
o Cripple walls >411 sized as if additional story [602.9] {2320.11 .5}
BUILDING 5
WALL FRAMING
Stud Framing 061RC 97UBCo
Top Plates 061RC 97UBC o Bearing wal l intersections & corners must overlap _ [602.3.2] {2320.11.2}
o End joints must offset 24in {48in} min [602.3.2] {2320.11.2} o Joints need not be over studs [602 .3.2]14 tn/a}
o Notches or holes req 16gauge straps, min 8 {6} nails each side OR ~ ________ ____ [602.6.1] {2320.11 .7}
Structural panel over notch/cut [602.6.1 X] tn/a}
STRUCTURAL SHEATHING/BRACING
Stud Framing o All ext walls req bracing [602.10] {2320.11.3}
o Let-in 1 x4 bracing OK topmost story SOC A, B, C_ [T602.10.1] {2320.11 .3} o Let-in 1 x4 OK for second of 3 story in SOC A, B __ [T602.1 0.1] {2320.11.3}
o Structural sheathing acceptable for all braced panels [T602.1 0.1] {2320.11.3} o Plywood: 5f1 6in min @16 O.C. , 3/sin @24 O.C. __ [602.103] {2320.11.3}
o Braced wall panels min 48in length, min 3 studs _ [602.10.4] {2320.11.3} (refer to Code Check Building for minimum percentages of bracing coverage per wall)
o All panel joints over studs or blocking EXC [602.10.7] {2320.11 .3}
Horiz joints in SOC A, B, C {where waived by manu} [602.10. 7X] {2320.11.3} o Nail panels to schedule (min 6in edge, 12in field) [T602 .3(1 &2)] {T23-II-B-l}
o Wood structural panels per grade stamp [602 .10.3] {2304.1}
Hold-Downs o
- - - - - - - - - - - - - - ~-----"
TABLE 8 NAILING SCHEDULE [T602.3(1) {T23-II-B-l}
Connection Nailing
Joist to sill or girder, toe nail 3-8d
1 x6 subfloor or less to each joist, face nail 2-8d [2-1 3/4in. staples]
2in. subfloor to joist or girder, blind- & face nail 2-16d
Sole plate to joist or blocking, face nail 16d 1 6in. a.c. Top or sole plate to stud, end nail 2-16d
Stud to sole plate, toe nail 3-8d or 2-16d {4-8d}
Double studs, face nail 10d {16d} 24in. a.c. Double top plates, face nail 10d 24in. a.c. {16d 16in. a.c.} Sole plate to joist or blocking at braced wall panels 3-16d 16in. a.c.
Doubled top plates, face nail of lap splice 8-16d
Blocking between joists or rafters to top plate, toe nail 3-8d
Rim joist to top plate, toe nail 8d 6in. a.c. Top plates, laps & intersections, face nail 2-10d {2-16d}
Built-up or continuous header 16d 1 6in. a.c. each edge
Ceiling joists to plate, toe nail 3-8d
Continuous header to stud, toe nail 4-8d
Ceiling joists, laps over partitions, face nail 3-10d {3-16d}
Ceiling joists to parallel rafters, face nail 3-10d (3-16d)
Rafter to plate, toe nail 2-16d (3-8d)
1 in. brace to each stud & plate, face nail 2-8d [2-1 3/4in . staples]
1 x6 sheathing to each bearing, face nail 2-8d [2-1 3/4in. staples]
1 x8 sheathing to each bearing, face nail 2-8d [3-1 3/4in. staples]
Wider than 1 x8 sheathing to each bearing, face nail 3-8d [4-1"/4in . staples]
Built-up corner studs 1 Od {16d} at 24in. a.c.
[10d each layer 32in. a.c. top Built-up girders & beams, 2in. lumber layers-IRC & bottom staggered & 2 nails
at ends & each splice]
{20d at 32in. a.c. top & Built-up girders & beams-UBC bottom staggered & two 20d
nails at ends & each splice}
2in. planks 2-16d @each bearing
Roof rafters to ridge, valley, or hip rafters, toe nail [4-16d]
Roof rafters to ridge, valley, or hip rafters, face nail [3-16d]
Rafter ties to rafters, face nail [3-8d]
BRACING WALL FRAMING ROOF
ROOF
Trusses
& CEILING FRAMING
061RC D Provide design drawings, calculations & approvals
wi shipment {marking on each truss} [802.10.1] D Design professional approval req 'd for any field modification
including added loads such as HVAC [802.1004] D Bracing per drawings or BCSI 1-03 [802.10.1,3]"
Rafters & Ceiling Joists D Spans per table T9 [80204, 5]
D Rafter span can be measured from purlin support _ [802.5.1] D Purlin dimension no smaller than rafter [802.5.1]
D Purlin braces min 2x4 max 45° from vert [802.5.1] D Prefabricated wood I-joists AMI (including boring) __ [802. 7.2]'·
D Notching & boring same as floor joists & girders F8 _ [802.7]
D Supports <3:12 slope roof design as beams not rafters [802.3]
D Rafter ties req 'd if joists not tied to parallel rafters _ [802.3.1]17
D Rafter ties min 2x4 on lower 1/3 of every rafter pair _ [802.3.1]'· D Collar ties for wind uplift upper 1/3 max 4ft O.C. __ [802.3.1]"
D Collar ties can be 1 x4 [802.3.1)2°
D Ridge board min 1 x & full depth of cut rafter [802.3] D Hip & valley rafters min 2x & full depth of cut rafter __ [802.3]
D Headers & trimmers >4ft must be doubled [802.9]
D Headers> 6ft must be hung with hardware [802.9] D Ends of rafters must have min 11/2in bearing [802.6]
D Max allowable deflection ceiling joists L/240* [301.6] D Max allowable deflection roof rafters >3:12 L1180* __ [301.6] , L = length in inches
{2321 A}
{2320.1 }
{2321 A}
{2320.12.2}
{2320.12.7} {2320.12 .7}
{2320.1 2.7}
{2320.1 } {2320.1204} {2320.12.1}
{2320.12.6} {n/a}
{n/a}
{2320.12.6}
{2320.12.3} {2320.12.3}
{2320.12.5} {2320.12.5}
{local}
{2320.12.2}
{2320.12 .2}
97 UBC
& CEILING FRAMING 6
BUILDING 7
EXTERIOR WALL COVERS
General 061RC 97 USC o Ext walls req'd to prevent water accumulation & to drain water
that enters wall assembly [703.1]21 {1402.1}
o Water-resistive membrane req 'd over studs or sheathing [703.2]22 {1402.1}
o All penetrations req flashing to carry water to ext or to water-resistive membrane __________ [703.8]23 {1402.2}
o Flashing req'd for door & window openings [703.8] {1402.2}
Stucco o Must conform to ASTM C926 & C1 063 [703.6]24 tn/a} o 3-coat system req 'd EXC Fll [703.6.2] {2508.1 }
2-coat OK over masonry [703.6.2] {2508.1 }
o Weep screed min 4in to earth, 2in above paving Fll _[703.6.2.1] {2506.5} o Min 2 layers grade D paper or equivalent Fll __ [703.6.3]25 {2506.4}
o Lap paper/paper & wire/wire (not paper/wire/paper/wire) [703.1] {2506.3}
o Paper lap: horiz 2in min, vert 6in [703.2] {1402.1}
o Total thickness from sheathing min 7/sin [T702.1 (1 )] {T25-D}
Stucco Wire -----1!"""7-= coats:
2 layers Weep paper Scratch Screed
Weep Brown screed - '7""'.0:::....:"",,-
Water exits Finish 4in. min. to ground from edge, not
2in. min. to pavement through holes.
Exterior Insulation Finishing Systems (EIFS) o Must follow manu instructions [703.9] {1401.1}
o Water-resistive barrier & drain plane req'd behind
insulation (only "water managed" systems allowed) _ [703.9.1] {1402.1}
o No decorative trim nailed through EIFS [703.9] {manu}
o Terminate at least 6in above ground level [703.9] {manu}
Other Siding Materials o Water-resistive barrier req'd behind vinyl siding __ [T703.4]'· tn/a} o Water-resistive barrier req'd behind hardboard siding _ [T703.4] {23106}
o Fiber cement horiz lap siding end joints req ___________ [703.10.2] tn/a}
ped or behind batten __ [703.3.1] {23 10.3} ed -bar) _ [703_3_1] {2310.3}
Masonry Veneer 061RC 97 USC o SDC A, B, C max thickness 5in [T703. 7(1)] tn/a}
o SDC Do, D, max thickness 4in [T703.7(1 )]" tn/a}
o SDC D, max thickness 3in [T703. 7(1)] tn/a} o Max height 30ft (20ft in SDC D2 ) [T703. 7(1)] tn/a}
o Braced wall panels & hold-downs req 'd SDC D_ [T703.7(1)] tn/a}
o No additional loads on masonry veneer [703.7.3] {1403.4.1}
o Min. 3f4in gap between top of veneer & structural frame [F703.7] {1403.4.1} o Metal ties max 24in horiz & vert spacing F12 __ [703.7.4.1] {1403.6.4.2}
o Flashing to ext surface all openings & horiz transitions F12 [703.8] {1402.2}
o Min 3f16in weepholes immediately above flashing F12_ [703.7.6] {1403.6.1}
o Weepholes max spacing 33in O.C. F12 [703.7.6] {1403.6.1} o Min 1 in air space between sheathing & veneer OR F12 [703.7.4.2] {1403.6.4.2}
Mortar/grout fill over water-resistive membrane __ [703.7.4.3] {1403.6.4.2}
Masonry Veneer
Metal tiesmax. 24in. O.C.
Weep holesmax. 33in. O.C.
r---'O;!9"--I-----Min. 1 in. airspace
ATTICS
General o Attics ~30in high [& >30sq.ft] req access [807.1]
o Opening min 22inx30in & 30in headroom [807.1]
o Opening must allow removal of attic mechanical equip [1305.1.3]
Ventilation o Vent each enclosed attic & enclosed rafter bay {per BO} [806.1]
o 1/sin to 1f4in {1/4in exact} mesh screen over openings _ [806.1] o Min net opening area 11150th of vented area OR ___ [806.2]
1/30oth if 50%-80% in upper portion [806.2]
o Conditioned unvented attic assemblies OK [806.4]'· o Insulation min 1 in clearance to sheathing near vents _ [806.3]
{1505.1}
{1505 .1}
{UMC}
{1505.3} {1505.3}
{1505.3}
{1505.3X}
tn/a} {1505.3}
Dirty chimneys are a fire hazard due to the accumulation of combustible creosote. Consult a certified chimney sweep annually for cleaning & inspections.
WALL & ROOF COVERINGS ATTICS
- -------------- - - ---------
ROOF COVERINGS
Roof Sheathing 061RC 97UBC o Solidly sheathed deck for asphalt shingle [905.2.1] {T15-B-l }
o Wood panels req grade stamp & span rating __ [B03.2.1 , 2] {2312.2}
o Nail to schedule (6in edge-12in field min) _ _ _ [T602.3(1}] {T-23-II-B-l }
o '/ain gap on sheathing marked "sized for spacing" _ _ [manu] {manu}
Roof Coverings-General o Class A, B, or C fire rating req 'd [if edge <3ft from PL or]
per local law [902.1] {1503}
o Materials req manu identification & agency approvals _ [904.4] {1507.2}
o Install AMI [903.1] { 1507.5,6,7}
o Flashing req 'd at roof/wall intersections, penetrations,
chimneys, etc. [903.2] {1509}
Sloped Roofing o Min 24in ice-dam membrane from edge to 24in inside ext wall line
of bldg in areas with history of ice forming at eaves [905.2.7.1]'" {T15-B-1}
o Asphalt shingle min slope 2:12 & double underlayment if <4:12 [905.2.2] {T15-B-1}
o Asphalt shingle fasteners min 4 , min 3/4in into sheathing (or through if sheathing <3/4in) [905.2.5] {T15-B-1}
o 16in wood shingles min slope 3 :12 (33/4in max exposure if <4:12) [905.7.2] {T15-B-2}
o Wood shakes min slope 3:12 {4:12 or per BO} __ [905.B.2] {T15-B-2}
o Clay/concrete tile min slope-2112:12 [double underlayment if ~4 : 12] {built-up roofing if <3:12} [905.3.2] {T15-D-l }
o Chimney cricket req'd AMI or if chimney >30in wide [905.2.B.3] {manu}
Low Slope Roofing o Built-up roofs min slope ' /4in vert to 12in horiz ___ [905.9.1] {1506.1}
o Install AMI [905.9.3] {1507.6}
o Install drains at each low point [903.4] {1506.2}
o Secondary drains req'd 2in above low point of roof _ [903.4.1] {1506.3}
FIREPLACES & CHIMNEYS
Masonry Fireplaces 061RC 97 UBC o Footing min 12in thick & 6in beyond all sides ___ [1003.2] {31 02. 7.2}
o Hearth min 4in thick [1001 .9.11 {3102.7.11} o Hearth extension min 2in {4in} thick [1001 .9.2] {31 02.7.11}
o No combustible material remaining under hearth or extension _ ___ _ ____ _____ [l 001.9] {31 02. 7.11}
o Hearth extension min 16in deep & Bin to sides
if opening <6sq.ft _ __________ [1001 .10] {3102.7.12}
o Hearth extension min 20in deep & 1 2in to sides if opening 26sq.ft [1001.10] {3102.7.12}
o No combustible material within 6in of opening ____ [1 001.11] {3102.7.B} o Combustible material <12in of opening limited to
max Bin projection for each inch of clearance _ _ _ [l 001 .11] {31 02. 7.B}
o All combustion air from outdoors & intake not higher than firebox _ _ _ ___ _ _____ _ _ _ [l 006.1] {APDX13}
Masonry Chimneys o Reinforcement & anchoring req 'd in SOC Do, 0, & O2 {SZ 2, 3, & 4}:
• Min 4 #4 vert reinforcing bars solidly grouted __ [1003.3.11 {3102.4.3}
• Min 6 #4 vert reinforcing bars if chimney >40in wide [1003.3.1] {3102.4.3} • Min '/4in horiz ties every lBin in height [1003.3.2] {3102.4.3}
• Anchor at each floor/ceiling >6ft above grade exc when
chimney completely in bldg int [1003.4] {3102.4.3} o Termination min 3ft above roof AND
2ft above any part of bldg within 10ft F13 ___ [1003.9] {3102 .3.6} o Spark arrester req 'd per BO _ ______ ___ [local] {3102.3.B} o Spark arrester min 4x area of flue opening [1003.9.1] {3102.3 .B} o Spark arrester mesh min 3/ain max 1/2in [1003.9 .1] {3102.3.B}
Manufactured Fireplaces & Chimneys o Must be L&L & installed AMI [1004.1] {3102.5.1} o Hearth extension per listing & instructions [1004.2] {3102.5.1} o Decorative shrouds req listing for specific chimney used [1 004.3] {3102.5.1}
o Chimney chase req's fireblocking at attic [602.B] {70B.2.1]
o Termination min 3ft above point passing through roof _ [manu] {3102.3.6}
o Termination min 2ft above any part of bldg within 10ft_ [manu] {3102.3.6} o Spark arrestor req'd [per BO] [manu] {3102.3.B}
Gas Appliances o Decorative logset must be installed AMI
(damper blocked open) [2432.1] o Decorative logs with pilots must have pilot safety __ [2432.2]
o Log lighters req hard gas pipe [2433.1}
o Req'd valve ~6ft of fireplace in same room [2420.5]
{UMC}
{UMC} {UMC} {UMC}
FIREPLACES & CHIMNEYS 8
Ladder req'd if window well> 44in. below grade
Basement Window Egress (plan view)
3m. min. clearance " /' 9sq.ft. min.
Basement / ""'" =====I"";window ..... L:==:::=:=
Sin. max. into req'd clearance
ooo
Wo
o
o
Gypsum Board 061RC o Install only after rough inspections complete [109.4] {108.5.4}
o Install only after bldg is weather-protected [701.2] {2511 .1}
o Nailing per schedule T10 [702.3.5] {2511.2}
o Edges & ends over or perpendicular to framing __ [702.3 .5] {2511.3}
Greenboard-Water Resistant Gypboard o Not allowed where subject to direct water exposure (tubs or showers)
or high humidity (saunas) [702.3.8.1]33 {2512}
o OK for adhesive ceramic tile wi no direct water exposure[702.3.8] {2512}
Ceiling framing max >12in O.C. for 1i2in green board_ [702.3.8] {2512}
Ceiling framing max >16in O.C. for 5/8in green board_ [702.3.8] {0} Use cement fiber tile backer in tub/shower areas_ [702.4.2]'4 in/a}
all & Ceiling Insulation Vapor retarder facing conditioned space EXC [318.1] {707.3X2}
Primarily cooling condition (hot humid climate) __ _ [318.1 X] in/a}
Light fixts in bldg envelope either Type IC airtight, Type IC max 2cfm leakage, or non-IC in airtight box [1102.4.3] {APDX13}
Installer to provide certificate for blown-in insulation [1101.4.1] {APDX13}
97 UBC
~ ........ .. ---= .... -
BUILDING 9
EGRESS
Doors & Landings 061RC 97UBC o Door with direct access to ext req 'd
(not through garage) [311.4.1] {1005.3.2.3} o Min one exit 3ft wide x 6ft 8in high side hinged door _ [311.4.2] {1 005.3.2.1}
o All doors req keyless operation from int [311.4.4] {1003.3.1 .8}
o Hallways min 36in wide [311.3] {1004.3.3.2} o Floor or landing each side of all ext doors EXC __ [311.4.3] {1003.3.1.6}
2 risers OK at ext door that is not req 'd exit ___ [311.4.3X] {0} o Max threshold height at [ext] doors 11/2in {1 in} __ [3 11.4.3]'° {1003.3.1.6}
o Landing can be one riser height below threshold if door does not swing over landing (screen door may swing over) _ [311 .4.3X]{ 1003.3.1 .6X}
o Landing min 36in deep x width of door [311.4.3]( 1003.3.1 .7X}
o Exit balconies req positive attachment (lag screws not toe nails) to resist lateral & vert forces [311.2.1] {2320.13}
Bedroom & Basement Egress o All sleeping rooms req escape & rescue opening F1 5_ [310.1] {310.4}
o Window sill height max 44in above floor F15 [310.1] {310.4}
o Min 20in wide & min 24in high AND F15 [310.1.2,3] {310.4}
5.7sq.ft min clear opening EXC T12 [310.1.1] {310.4}
5.0sq.ft OK if direct grade level access Tll ___ [310.1.1 X] {0}
o Approved int qu ick-release hardware req'd for security
bars on escape & rescue openings [310.4] {310.4}
o Basements req escape & rescue opening EXC F14 _ [31 0.1]31 {310.4}
Basements ~ 200 sq.ft & only for mechanical eqpt _ [310.1]32 in/a}
o Window wells min 9sq.ft & 36in min horiz dimension F14 [310.2] {310.4}
o Permanent ladder req 'd if >44in below grade F14 _ [310.2.1] {310.4}
o Ladder may project 6in into req 'd well space F14 __ [31 0.2X] {310.4}
Bedroom Window Egress When the requi red second exit in a bedroom is a window, it must open to a size that al lows the residents an escape route & a firefighter to enter while wearing an oxygen pack. The sill must not be higher than 44in. from the finished floor. The openable portion of the window must be at least 24in. high & at least 20in. wide, with a net area aleast 5.7sq.ft. , per T12. If the window is at direct grade level, the overall size may be reduced to 5.0sq.ft. per T11 .
t
-
Safety Glass 1.1 >36in. above ~ walking surface
.----------.
If all conditions (A+S+C+D) exist, then window must be safety glass. Safety glazing would also be req'd if within 2ft. of the door frame.
WINDOWS & SAFETY GLAZING
Minimum Light & Ventilation D Habitable rooms req openings for natural light min 8
floor area {1 0% & min 1 Osq.ft }
D Bathrooms {& kitchens} may have artificial light only _D Bath fan may not discharge into any part of attic _
D Habitable rooms req openings for natural ventilation
floor area {5% & min 5sq.ft} D Bathrooms req 11l2sq.ft openings OR
50cfm {5 air changes/hour} fan to outside
D 2 rooms considered 1 for light & ventilation if openin
between them min 50% of common wall & opening ;:-:10% of floor area & min 25sq.ft
061RC % of
[303.1]
[303.3X] [1501.1]35
min 4% of
[303.1] [303.3]
[303.3X]
g
[303.2]
97UBC
{1203.2}
{1203.2X}
{1203.3}
{1203.3}
{1203.3} {1203.3}
{1203.1}
Safety Glass Identification D Tempered glass reqs permanent etched label EXC
Spandrel glass removable paper label OK
D Only 1 lite req's etched label in multi pane window _
Exterior Windows & Doors D 3rd-party performance testing & labeling req 'd EXC _
Decorative glazed openings exempt
D Openable windows ;:-:4in & w/ >72in drop-off must b
int floor or provided w/ window guard
Hazardous Locations Requiring Safety GlassD Tub/shower enclosure + doors & windows with
lower edge $60in from tub/shower floor D Glass in doors if 3in sphere could pass through F16 D Glass in sliding or fixed panels of sliding doors __
D Sidelites with vert edge of glazing <24in of door swi
& lower edge of glass <60in from floor EXC F16 _
Lites perpendicular to door & on latch side ___ [
D All glass in railings D Glazing $3ft horiz of stair or 5ft horiz of bottom nosin
intervening guard & lower edge <60in from floor _D Windows w/ walk-through hazard ALL the following: F
• Exposed area of glazing >9sq.ft AND • Bottom edge <18in above floor or ground AND
[308.1 X2]
_ [308.1]
[613.4] [613.4X]
{2406.2} {0}
in/a}
in/a} e min 24in above
[613 .2],6
[308.4] _ [308.4]
_ [308.4]
ng
__ [308.4]
308.4X4]37
[308.4] g w/ no
__ [308.4] 16 [308.4]
• Top edge >36in above floor or ground AND • Within 36in horizontally of a walking surface
D Decorative glass in doors, sidelites & windows
in/a}
{2406.4}
{2406.4} {2406.4}
{2406.4}
{0}
{2406.4}
{2406.4}
{2406.4}
exempt exc in bathrooms, stairs & landings ___ [308.4X2] {2406.4X5}
EGRESS WINDOWS SAFETY GLAS
__ [308.1] {2406.2}
Skylights D Skylights may be tempered, heat-strengthened, laminat
wired, or approved rigid plastics
Min 4in curb if roof slope <3:12 {<12:12}
SWIMMING POOL BARRIERS
eneral D Applies to all pools or spas >24in deep
Barrier fence req 'd min 48in high
D Bottom of fence max 2in above grade
Max opening <4in, fence not climbable D Gate lockable, self-closing, open away from pool __
If latch <54in high, must be poolside & min 3in from to
D No openings >1l2in within 18in of gate latch
D Doors & screen doors w/ direct pool access req alarm audwithin 7 seconds of opening for 30 seconds duration _
D Alarm control min 54in high, automatically resetting _
[308.6.2]
[308.6.8]
APDXG
{2409.2} {2409.4}
APDX4 [102] {420}
[105.2] {421.1 #1}
[105.2] {421 .1 #1}
[105.2] {421.1 #1} _ [1 05.2] {421.1 #4}
p [105.2] {421.1 #4}
[105.2] {421.1 #4}
ible throughout house _ [1 05.2] {421.1#5X2}
[105.2] {421.1#5X2}
POOL BARRIERS 10
D
G
D
D
D
061RC ed,
97 UBC
S
Winding Stairs Stair Profile
Min. tread depth lOin. {9in.}
, :Min. 3f4in. :Max. 11f4in.
Max. radius 9/1 sin.
:-l1f4-2in .
' Handrail Handrail Height
S;ze l1f2in. min.
...... ~ __ -t..:1:.; 134in.-38in.
,_ [41f2in.l
{31f2in.}
Guardrails
Guardrail req'd
- Min. height:
. 36in. single·family dwelling
when deck surface to ground >30in.
Max. opening such that a 4in. sphere cannot pass through
TABLE 13 SPECIAL INSPECTION REPORTS FILL-IN TABLE
5.1. Reports Due before Fina l Inspection Required Received
Concrete >2,500 psi
Pilings, drilled piers & caissons
Reinforced concrete/masonry
Insulating concrete form walls
Post·tensioned concrete
High-strength bolting
Structural welding/steel moment frames
Fire-resistance-rated construction
Shear nailing <4in. O.C.
Special case: I
BUILDING 11
STAIRS & DECKS
eneral o Illumination req'd for all stairways
o Switch req'd top & bottom of int stairs 2:6 risers
o Floor or landing req 'd at top & bottom of int stairexc where door does not swing over stairs _
o Headroom min 6ft Bin F19 o Min stairway width above handrail 36in
o Handrail may project into req'd width 41i2in {31i2in}
o Max riser height 73/4in {Bin} F18 o Min tread depth lOin {9in} F18 o Max difference between tallest & shortest riser o
& shortest tread run 3/sin
o Winder tread min 6in & develop req 'd length at :from inside of winder F17
o Nosing min 3/4in max 11/4in req 'd on stairs w/ sorisers EXC F18 _ ___________
Nosing not req'd if tread depth 2: 11 in _ __
G 061RC 97 UBC [303.6] {NEC}
__ [303.6.1]'8 {N EC}
ways {including garage} __ [311.5.4X]39 {1003.3.1.6}
[311.5.2] {1003.3.3.4} [311.5.1] {1003.3.3.2}
F20 [311 .5.1] {1003.3.3.2}
[311.5.3.1]{1003.3.3.3x} [311.5.3.2]{1003.3.3.3x}
r largest
[311.5.3.1 , 2] {1003.3.3.3}
0;1 2in [311 .5.3.2]{1003.3.3.B.2}
lid _ [311.5.3.3]
_ [311.5.3.3X] in/a} in/a}
Handrails o Grippable handrail req'd if 4 or more risers [311.5.6] {1003.3.3.6} o Handrail height min 34in max 3Bin F19,20 [311 .5.6.1] {1003.3.3.6}
o Grips min 11/4in max 2in circular cross section F20 [311.5.6.3] {1003.3.3.6}
o Min i 1i2in between wall & handrail F20 [311.5 .6.2] {1003.3.3.6}
o Ends must return to wall or newel post [311 .5.6.2] {1003.3.3.6}
o Handrail on open side of stairs must not allow 4in sphere
to pass through [312.2] ::J Openi 9S be een treads of open risers <4in __ [31 1.5.3.3]
_~ - snace betv.een rise . ead & rail must no allow
{509.3}
in/a}
E ---e-e ' w == - [312.2X 11 {509.3X2}
. .. if
Guardrails 061RC 97 UBC {509.1 }
{509.2Xl} {509.3}
Req 'd for any walkoff >30in above floor or grade F21 _ [312.1] o Min height 36in {34in if guard is stair handrail} F21 __ [312.1]
o Opening must not allow 4in sphere to pass through F21 _ [312.2]
o Guards w/ openings, 43/sin req'd on open sides of stairs if total rise above floor or grade >30in [31 2.1] {509.1 }
o
I
Coved or Dropped Ceiling
Chimney Fire Block _I.IiO.IKaO. 2in.
/ Covedceiling
Fire block must be made of non
combustible material, such as compressed fiberglass or sheet metal.
STAIRS DECKS FIRE PROTECTION
------------------- - --------------
FIRE PROTECTION
Stairs o Fireblocking req 'd at concealed space under stairs
at top & bottom of stringers
o Enclosed accessible space below stairs req 's 1/2in {gypsum board
[602.S] {70S.2 .1}
5/sin type X} [311.2.2] {1003.3.3.9}
Fireblocking & Draftstopping o Fireblocking req 'd in concealed spaces of stud wal ls
max 10ft {vert &} horiz ______ ___ _
o Fireblocking req 'd at ceiling/floor levels
o Fireblocking req 'd at horiz/vert intersections such as drop & cove ce ilings F22
o Seal gaps around ducts, wires & pipes @ floor & ceililevel penetration
o Fireblock material may be 2x lumber, 1/2in gypboard,
glass fiber, or other approved materials
o Compressed glass fiber should be tightly packed _
o Unfaced fiberglass min 16in vert height when used as fireblock in wall cavity [
o Fireblock between chimneys & framing F23 ___ [
o Floor/ceiling draftstopped if >1 ,000 sq.ft (open web or ceiling suspended from floor framing
o Draftstop material 112in gypsum or 3/sin panels __
Separation & Protection from Garage o Min 112in {5/sin} gyp board on garage side of walls co
to house
o Min 5/sin gyp board on garage ceiling common to hou
__ [602.S]
[602.S]
soffits, [602.S]
ng [602.S]40
compressed
[602.S.1 ]
[602.S.1]
{70S.2.1 }
{70S.2.1 }
{70S.2.1 }
{70S.2.1 }
{70S.22}
{70S.2.2}
602.S.1.1] In/a} 1003.19]41 {31 02. 7.13}
trusses) [502 .12] {70S.3.1.1.1}
[502.12.1] {70S.3.1 .3}
mmon
[309.2]
se [309.2] o Min 112in {5/sin} gypboard on walls supporting ceilings
common to house [309.2]
o Approved firestop material at penetrations to house [309.1.2]42
o Ducts from house to garage min 26gauge steel __ [309.1.1]
o No duct openings into garage [309.1 .1] o No openings between garage & sleeping rooms ___ [309.1]
o Door between house & garage rated 20-minute or 13/sin solid
core {& self closing} [309.1]
{302.4X} {302.4X}
{302.2}
{709.6.3}
{302.4X} {302.4X}
{312.4}
{302.4X}
061RC 97 UBC
Separation & Protection from Garage (coo Noncombustible floor [sloped to drain] _ __
o Carport exempt if open 2 or more sides D int walls of detached garage min 1/2 in gypboard
nt.) 061RC ___ [309.3]
[309.4] where
within 3ft of house [309.2]43
97 UBC {312.5}
{302 .1 X3}
In/a}
SMOKE ALARMS
General Requirements o NFPA 72 fire alarms OK if equivalent to smoke alarms
o Req'd in each sleeping room & adjoining area F24o Min 1 detector each story including basements F2o Interconnect so activation of one alarm sets off all al
o Compliance req'd for work (>$1 ,OOO) requiring permitWork on ext (porches, residing, reroofing, etc.) ~
o Power from bldg wiring plus battery backup
o Battery power alone OK for remodel where no finishes removed __________
[313.1]44
__ [313.2]
4 _ [313.2] arms _ [313.2]
EXC[313.2.1] [3 1 3.2.1 X2]45
[313.3]
{local} {310.9.1.4}
{310.91.4}
{310.9.1.4} {310.9.1.2}
{local}
{310.9.1 .3}
_ [313.2.1 X1] {3109.1.3}
Smoke Alarm Locations
-1.1'--_ Hallway adjoining bedroom
HABITABILITY REO'S & FINAL INSPECTION
General Requirements o Bldg address numbers legible from street [321.1] o Heat req 'd in habitable rooms 6So {700} 3ft above floor [303.S]
o Min one room 2:1 20sq.ft [304.1] {o Habitable rooms exc kitchens min 70sq.ft &
min dimension 7ft [304.2, 3] {3
o Sloped ceiling rooms min 50% must be 2:7ft ceiling & areas <5ft do not count toward required floor area [305.1 X3]46 {
o Sloped ceiling room area <5ft high doesn't count toward
req 'd min space [305.1] {
o Ceiling height habitable space min 7ft {7ft 6in} ___ [305.1] {
o Kitchens, baths & hallways min ceiling height 7ft EXC~ [305.1] {6ft Sin OK in baths over fixture & front clearance area~ [305.1]
o Ceiling height unfinished basements min 6ft Sin __ [305.1]
{502}
{310.11}
3106.2}
10.6.2,3}
310.6.1}
3106.1}
310.6.1}
310.6.1} {0}
In/a}
SMOKE ALARMS 12
Pipe supported on firm bed for entire length F25 __ [2604.1]
o No rocks supporting or touching pipe F25 [2604.1]
o No rocks or debris in first 12in backfill over pipe __ [2604.3]
o Common trench for gas & electric per utility [utility]
o No sewer in common trench with electric [utility]
o Water service min 12in deep & 6in {12in} below frost line[2603.6
o No pipes outside thermal envelope of bldg if
w inter design temp ~32°F [2603.6]
o Water & sewer OK in same trench if sewer
material approved in house OR [2904.4.2]
5ft separation OR water 12in above sewer [or sleeved] [2904.4.2]
o Sewer depth per local BO [2603.6.1]
o Utility or other trench may not undermine footing __ [2604.4]
o Pipes through fndn req sleeve or arch [2603.5]
{314.3}
{315.4}
{315.4}
]
{utility}
{utility}
{609.1}
Pipes in Trench
Pipe must be fully supported
{313.6}
{609.2}
{609.2}
{local}
{313.3}
{313.10.1}
PLUMBING 13
UNDERGROUND Utility Trenches 06 IRC o
06UPC
Gas Pipes o Min depth 12in {lBin if external damage likely} __
D {Provide sleeve or bridge in conduit if <1 2in}
o Individual gas lines to lights, grills, etc .: Bin OK __
o Plastic only OK underground outside bldg ___ [
o Buried plastic req 's #1 Bgauge tracer wire ___ [
o Buried metal factory wrapped EXC
Field wrapping OK where stripped for threading _ [
_ [2415.9]
[0] [2415.9.1]
2415.14.1]
2415.14.3]
[2415.B.2]
2415.B.2X]
{1211.1.2A}
{0} {1211 .1.7A}
{1211 .1.7C}
{1211 .1.3}
{1211.1.3}
Foundations & Concrete Slabs o Pipes in concrete must be wrapped or sheathed _
o No flat venting
o Vent dow nstream of trap
o Gas not permitted unless sleeved in conduit __
o Type M Cu OK in slab {min type " t..:'} o Cu joints brazed , not soldered
o Ferrous metals [proh ibited] {factory wrapped} __
ROUGH INSPECTION-TESTIN.;....o Test all p ip ing before cover or concealment
o DWV water test min. 10ft head for 1 5 minutes 0 R _
= 'r test 5psig (1 0 in mercury) for 15 minutes ___
Wa e under wo 'ng pressure {15 minutes5 'c p ipe
_____
_ [2603.3]
[3104.3]
[3101 .2.1]
_ [2415.11]
[2904.5.1]
[2904.15]
[2904.5.1]
{313.2}
{905.2}
{901.0}
{1211 .1.6}
{604.2}
{609.3.2}
{609.3.1 }
G""--____ _ [2503.2J
[2503.5.1 J
[2503.5.1 J
} O R [2503.6]47
[2417.4.1J
{103.5.1}
{712.2}
{712.3}
{609.4}
{1214.3}
{1211 .1.2A}
SIZING
TABLE 14 SIZING BRANCH DRAINS & VENTS [3005.4.1] & {7-5}
Pipe size l'/.in. l'12in. 2in. 3in. 4in.
Max it of Vert. 1 4 (2) 10 (16) 48 240 (25DFU Horiz. 1 3 (1) 6 (8) 20 (35) 160 (21
Vents' Max Units (1) (8) (24) (84) (256) {U PC} Max FeetC (45) (60) (120) (2 12) (300)
A. Based on 4in.lft. slope B. IRe vents must be :?2x the required drain diameter. C. IRe vents >40ft. must be increased one pipe size; UPC vents increase 1 pipe size jf horiz. length exceeds 2 of vert length.
6)
6)'
TABLE 15 TRAPS & ARMS
[T3004.1, T3105.1, & T3201.7] & {T7-3 & 10-1}
Min. Size DFU Length
Bathtubs 11/2in. 2 6ft. {3ft. 6in.}
Floor drains 2in. 0 Bft. {5ft.}
Laundry tubs 11f2 in. 2 6ft. {3ft . 6 in.}
Clothes washer 2in. 2 Bft . {5ft.}
Shower 11I2in.' 8 2 {3} Bft. {5ft.}
Bar sink 11f2 in. 2 6ft. {3ft. 6in.}
Kitchen sink' l 1f2in. 2 6ft. {3ft. 6in.}
Lav 11/4in. 1 5ft. {2ft . 6in.}
Water closet 3in. 3 8 no limit {6ft.}
A. {Min. drain size 2in.} B. 4 DFUs IRC if >1.6 gallons per flush
TABLE 16 PIPE SUPPORT [T2424.1] & [T2605.1} & [T3-2}
Pipe
Gas'
Plastic'
Cast
Horiz.
1/2in.-6ft.· 3/4in.&1 in,-6ft. :?:11/4in.-8ft.
~ 1 in. CPVC-3in. - ~ 1 in. CPVC-4ft. PVC & ABS-4ft.
5ft. lenghts- 5ft_ - 1 Oft. lengths-10ft. (~18in. of hub)
Vert.
lhin.- 6ft . • 3/4in.& 1 in.-6ft. :2: 1'/4in. each stol)'
[10ft.) (Base & each slory) + mid-story guides [if ~2in.)
Sase & each story max_ 15ft.
Screwed [1 2ft_) [53/4in_-1 Oft. - ~1 in.-12ft_) [1 5ft.) ('/,in.- 6ft. -3/4in.& 1 in.-Sft. -~1 '/4in. each story)
Cu <1 1hin.- 6ft . • :2:1'hin.-1 Oft. 10ft.
A. CSST support in accordance to manufacturer's instructions B. PEX tubing hOfiz. support 32in.
TABLE 17 CLEANOUTS
Pipe Size (in.) UPC CO Size (in.)
[3005.2] & {707}
UPC Clearance (in.)
1'/2 1'/2 12
2 1'/2 12
2'/2 2'/2 18
3 2'/2 18
4 or larger 3'/2 18
IRe 3005.2.9 requ ires cleanouts to be the same size as the pipe they serve up to 4in.51 UPC 707.1 requires cJeanout fittings with raised square heads or countersunk slots.
Backwater valve req 'd on ejector discharge pipe
o Gate valve req 'd on discharge side of check valve
F26 _ [3007.1]
F26 [3007.1]
{710.4}
{710.4}
Sump & Ejector Drain must enter through top, not side.
Vent opening not below weir of trap exce
o Trap weir to vent distance min 2x trap aro Total fall of trap arm max 1 pipe diameter
{per table} 115,F27 o Traps must be plumb o Trap no larger than {same size as} arm
o Tailpiece max vert distance 24in exc clotho Trap primer or deep-seal type req 'd @ flo
pt toilet __ [31052]
m diameter ~[31 05.3]
[3105.2]
[3201.3] [3201 .7]
es washer ~[3201.6]
or drains __ [3201.2]
Trap Arms & Vents
Weir
Trap arm length, see T15
{1002.4}
{1002.2}
{1002.2}
{1005.0}
{1003.3} {1001.4}
{1007.0}
The length & slope of the trap arm must allow air to be admitted above the dotted line in the figure. If .the slope or length is excessive, the dotted line (trap weir elevation) would be above the vent opening.
Vents General o All vent pipes must be sloped to drain ______ [31 04.2]
o Horiz vent min 6in above fixture FLR [3104.4]
o Vents below fixt FLR must be drainage pattern
{no horiz sanitary tees} (may req cleanouts) [3104.2] o Vent opening above weir (toilet excepted) F27 _ _ _ _ [3105.2]
o No flat venting (takeoff above horiz centerline) ___ [31 04.3]
o Min 1 vent to ext {all vents to ext} [3114.7] o {Aggregate vent area must be 2 bldg drain} [n/a]
{905.1} {905.3}
{905.3} {905.5}
{905.2}
{905.4}
{904.n
SUPPORT TABLES 14
----------------------------------
DRAINAGE ABS/PVC o Fireblocking around ceilinglfloor plate penetrationo Female threaded adapters must remain accessib l
os IRC os UPC s _ _ [602.8] {U BC} e _ [2608.2] {IS5,9-316.1}
o Nail plate if < 1' l2in {1 in} from edge of framing _o Nail plate must extend 2in {1 ' l2 in} beyond framing
o No metal straps in direct contact
o Solidly support horiz pipe every 4ft T16 o Allow for thermal expansion & contraction
o No rain drains to bldg drains unless OK by BO
hanges of Direction o Vert to horiz or horiz to horiz through wye branche
or 45° wye branches or fittings of equal sweep _
o Sanitary tee OK only for horiz to vert
o Double sanitary tee OK exc for water closet arms <18io Double sanitary tee barrel min 2 pipe sizes larger th
[2608.2] {IS5,9-314.1}
[T2605.1] {T3-2} [2608.2] {IS5,9-313.2}
[n /a] {714.2}
Cs
__ [3005.1]
[3005.1]
n [3005.1.1 X] an inlets [n/a]
{706.3,4}
{706.2}
In/a} {706.2}
ixtures below Manhole or Sewer o Backwater valve req 'd for fixtures with flood
rim {on floor level} below upstream manhole cover
o Backwater valve must remain accessible o No fixtures above manhole cover draining through
backwater valve
Ejector req 'd for fixtures below sewer crown level
_[3008.1]
[3008.1]
[3008.1]
F26 [3007.2]
{71 0.1 }50
{710.6}
{710.n {710.2} o
o Sump discharge must be lifted above gravity drain
o
_ [2603.2.1] {313.9} _ [2603 .2.1] {313.9}49
F
F26 [3007.2] {710.2}
)
Cleanouts o Location must remain accessible
o Min 18in clearance EXC
12in OK for pipes <3in {<2 ' /2in}
o Req 'd at upper terminal 1 st floor runs & eo Req 'd in horiz runs each >45° {135°} cha
o Removable fixt trap OK substitute for cle
o Take off above flow line or at end of line o If access limited, extend above floor or ouo Size same as drain {per table} T17
Cleanout Exceptions o Runs <5ft (except sinks)
o Slope of 72° or less (1/5 bend) from vert
o Not req'd above first floor
TRAPS & VENTS
[3005.2.5]
very 100ft [3005.2.2] nge _ _ [3005.2.4]
anouts_ [3005.2.1 0]
[local] tside _ _ [3005.2.3]
[3005.2.9]51
[n/a]
[n/a]
[n/a]
{707.10} {707.4}
{707.5} {0}
{707.6} {707.10}
{707.11}
{707.4X1 } {707.4X2}
{707.4X3}
o Size per table 115 o Traps seal min 2in max 4in
o
OSIRC [3005.2.5]
[3201 .7]48
[3201.2]
OSUPC {707.9}
{1003.3}
{10050}
UNDERGROUND DRAINS TRAPS
Wet Vents 06 I RC D Min 1112in {2in} F32 ____________ [31 08.3]
D Wet-vented fixts must be on same floor level ___ [31 OB.1 , 4]
D Combinations of fixts in up to 2 bath groups may be horizontally wet-vented [310B.1]
D Only horiz fixt drains may be horizontally wet-vented [310B.1]55 D Vert wet venting max 4 fixtures, max 6ft [n/a]
D Vert wet venting limited to 1- & 2-WSFU fixts [n/a]
D Vert wet vent min 1 pipe size larger than req 'd waste F32 [n/a]
CommoVenting IRC
n 1112in.
2in.
06 UPC {90B.2}
{90B.1.4}
{90B.4.1 }54
{n/a}
{90B.n
{90B.n {90B.2}
Wet Venting
UPC 1 pipe size larger than req'd drain Max. 6ft.
2in. 2in.
D Branch type min 4in above drain F30 _____ _ [3114.4]
D Stack type min 6in above insulation in attic [3114.4]
D Stack type min 6in above fixture FLR [3114.4]
D Must be accessible & open to airflow [3114.5]
Air Admitta nce Valve
Air admittance valves must remain accessible. Air admittance valves n all cs must be at least 6in. abo e su a Ion.
......"r---11N-t-II~ I 4in. min.
{local}
{local}
{local} {local}
Ball Valve
Valve
Full-bore valves req/ 'd for Throttling valv
/ es not approved
mains & water heater. for mains & water heater.
PLUMBING 15
Vent Termination D Min 6in above roof {& 12in to vert s
D Clearance to bldg openings min 1above [or 4ft below]
D Sidewall vent-min 10ft from PL & D Plastic DWV above roof protected
Heavy Snow & Frost Vent TermD Min 3in {2in} diameter vent above rD Terminate 6in above snowline {10in
D Transition to larger pipe at least 1 ft
Island Sinks-UPC Drain Loop D Island sink vented with drain-type fiD No upstream fixtures allowed on isl
D Island sink clean out in vert section
Island Sink IRC Methods D Limited to sinks & lavs only F29 D Air admittance valve under sink OKD Combo waste & vent (CWV) OK (if
D CWV max 8ft vert, unlimited horiz D Max slope of (CWV) drain 1/2in/ft
061RC urface} [3 103.1]5'
0ft horiz or 2ft {3ft} [3103.5]
10ft above grade _ [3103.6]
with latex paint _ [2608.2]
ination oof [3103.2] above roof} _ [3103.1]52
below roof ___ [31 03.2]
Method ttings only F28 _ [3112 .3] and drain [n/a]
of foot vent F28_[3112.3]
[3112.1]
F30 [3114.3] no disposer) _ _ [3111.1]
[31 11.2]53 [3111.2.1]
_;H':W.t:_
06 UPC {906.n
{906.2} {0}
{301 .1.n
{906.7} {906.7}
{906.7}
{909.0} {909.0}
{909.0}
{n/a}
{local} {0} {0} {0}
_:::IltIW.4l.
I UPC Kitchen Island Sink IRC Kitchen Island Sink
1112in._ 1112in. ..------ 1112in. Must I
i 45' ---, 45' connect ~ 90' / Cleanouts to vented req 'd for
~_t 1112in.- ~ drain ~ vent unless
\~-~. -rodding
~--.~~.~-. possible through --I 2i~ V1112i
\ CO in foot vent sanitary tee.
i· CO \ CO In. 1112in.
Air Admittance Valves
WATER SUPPLY & DISTRf. JUTION~ ---
D Sizing per tables T18-22 [29
------------03.7]
D Min water service 3/4in [2903.7]
D 3 bathrooms usually means 1 in service [2903.7]
D No reduction to inlet of service by softener, backflow _ [2903.7] D Support per tables T16 [2605.1]
D Nail plate if <1 112in {1 in} from edge of framing __ [2603.2.1]
D Nail plate must extend 2in {1 1I2in} beyond framing _ [2603.2.1] D Accessible full-bore shutoff req'd at house F33-35_ [2903.9.1]
D Static pressure <40psi {15psi} req 's booster pump _[2903.3]
D Excessive pressure >BOpsi must be regulated _ [2903.31]
D Accessible strainer req 'd ahead of regulator [n/a] D Expansion tank req'd for regulators without integral bypass
& for bldg supplies with check valves [2903.4.1]
D Regulated pressure computed at BO% of setting __ [2903.7] D Brass adapter [or dielectric fillings] between galv & Cu [2904.17.1]
D Water hammer arrestors req'd if quick-close valves _ [2903.5]
D Backflow protection from fire sprinkler piping wI fire department connection or wI additives or antifreeze [2902.5.4]
{610.n {610.B}
{610.n {610.2}
{314.n {313.9}
{3 13.9}49
{605.2,6}
{60B.n {60B.2}
{60B.2}
{60B.3} {60B.2}
{316.2.n {609.10}
{603.4.16}
Section Length Fixture Units
Pipe Size Section
TABLE 18 SIZING A WATER SERVICE FILL-IN TABLE
[2903.7] & {610.8}
1. Deten--.L"le ~><L Lrr. OEl'"1<L"ldtotaJ from T19).
2. Min. daily stalic pressure at meter or source.
3 . Subtract (add) 'h1b. pressure per ft . of rise (fall).
4. Deduct pressure losses for filters, regulators, etc.
5. Find pressure range group in T20 or T22.
6. Find column for developed length to most remote lixt'~0ic" j
7. Find row meeting fix!. unit demand req'd by total in T19.
8. Find req'd meter & pipe size in left columns of T20 or T22.
Note: The same procedure can be used for branches.
TABLE 19 WATER SUPPLY FIXTURE UNITS (WSFU) FILL-IN TABLE
[T2903.6] & (T6·S)
Fixture WSFU IRC/UPC # of WSFU ExtenSion
Bathtub 1.4 / 4.0
Clothes washer 1.4 / 4.0
Dishwasher 1.4 / 1.5
Hose bibb 2.5 / 2.5
Kitchen sink 1.4 / 1.5
Lavatory 0.7 / 1.0
Laundry tub 1.4 / 1.5
Stall shower 1.4 / 2.0
Water closet 2.2 / 2.5
Full bath group' 3.6/ n/a
Total:
A. Full bath group = Water closet + tub/shower + lav
A. First multiply actual length to most remote fixture by 1.2 to c ompensate fo r loss at fi ttings.
B. Minimum build ing supply is 3/4 in .
VENT TERMINALS ISLAND SINKS WATER SUPPLY SIZING 16
--------------,
Worksheet Area
Water service
I'--P_r_e_ss_u_re_ = __ ----'I ,--I E_I_ev_a_ti_o_n_= __ .....J11 Length =
Most remote fixture
TABLE 23 PROCEDURES FOR SIZING GAS PIPE [2413.4.1,2] & {1211.17.1.1 ,2}
1. Determine Btu/cu.ft. gas from local supplier (usually 1,100).
2. Divide appl Btu by Btu/cu.ft. to obtain appl demand.
3a. Longest length method: Measure developed length to most remote outlet.
4a. Longest length method: Use column from T25 for most remote fixture for all outlets.
3b. Branch length method: Measure developed length to each outlet.
4b. Branch length method: Select column from T25 for load on piping to each outlet.
5. Select row for pipe size equal ing or exceeding demand each section.
CSST Manifold
CSST is regulated by American National Standards Institute ANSI / lAS LC 1-1997/CSA 6.26-M97 Fuel Gas Piping Systems Using Corrugated Stainless Steel Tubing (CSST). The standard requires that a contractor be certified before installing CSST.
1/4-turn ball valve
PLUMBING 17
CSST Strike Plates
The IRC requires strike-plate protection when tubing passes through fram ing & is closer than l ' /2in. of the surface.
The UPC requires strike-plate protection for all penetrations.
Codes require the strike-plates to extend 4in. beyond the concealed framing & manufacturer recommendations are usua Iy more stringent than tre codes.
[>1 hin. from surface]
General 061RC 06 UPC o Gas meter: accessible & ventilated space ______ [utility] {1209.6}
o Main shutoff req 'd outdoors each bldg [2420.2,3] {1211.10.3} o Material: steel (galv or black) , Cu, CSST [2414.1] {1209.5}
o Pipes not in same room as eqpt req'd to be labeled D "Gas" every 5ft for other than steel pipe [2412.5]56 {n/a}
o Cu types L & K OK for low sulfur-content gas __ [2414.5.2] {1209.5.3.2}
o Cu joints brazed or flared (not soldered) ___ [2414.1 0.2,3] {1209.5.8.2}
o Size pipe per tables T23-25 [2413.3] {1 217.1}
Dint of pipe must be deburred [2414.7] {1209.5.5}
o No gas pipe in circulating or ventilating air duct __ [24151] {1211.2.5}
Pipe Installation o Outdoor piping min 3 ' /2in above ground or roof __ [2415.7] {n/a}
o Underslab only if run through gas-tight conduit __ [2415 .11] {1211.1.6}
o Electrically isolate buried ferrous gas pipes [2410] {1211.14B}
o Electrically bond internal metal gas pipes [2411.1] {1211 .14A} o CSST AMI F36, 37 [2414.5.3] {1209.5.304}
o Shutoff ahead of regulators F37 [242004] {1211 .10.1}
o Shutoff valve within 6ft of appl & ahead of union __ [2420.5] {121204}
o No unions or bushings in concealed locations ___ [2415.3] {1211.3.2}
o Drip legs at low points if water vapor in gas [2419.2] {1211.7.1}
o LP gas piping per NFPA-58 (see Code Check HVAC)[2414.6.2] {1213.0}
Gas Appliance Connectors o Max length 3ft {6ft} [6ft range or dryer] [2422.1.2.1]
o May not pass through bldg or appl wall [2422.1.2.3] o Valve immediately ahead of connector_ [2420.5, 2422.1.204]
o Outdoor connectors L&L for outdoors & AMI [2422.1]57
o Gas hose outdoor portable appl only [2422.1]
{1212.1} {121204}
{n/a}
{1212.2B}
{1212.1 , 4}
Toilet Flanges
(Above Ol,.t m" finish =k
Beneath floor: floor: concealed fouling
Flush with finished floor correct ~ s~'
Slip Joints & Access
Must provide a 12in. x 1 2in. min. access to concealed slip joints for replacement or repair. The access can be through the wall or the ceiling.
GAS PIPING FIXTURES
, I
Air Gap Device on Drain: Dishwasher High-Loop: UPC IRC
Air gap device
@ ... ~
Dishwasher
High loop drain must be secured to underside of counter.
18
RES General 061RC
:::J Hot on left, cold on right when facing outlet [2722.2]5' o Potable water air gap of 2 pipe diameters or min 1 in [2902.3.1]
o Individual shutoff req'd for each fixture or appl exc tubs & showers (may be at manifold) [2903.9.3]
o Fixts smooth, impervious & free from concealed
fouling areas [2701.1] o Joint between fixtures & walls or floors sealed ___ [2705.1]
o All fixts (except toilets) req drain strainers [2702.1]
o Tailpiece max vert distance 24in exc laundry [3201.6] Tailpiece max horiz distance from trap 30in [3201.6]5'
06 UPC {415.0}
{603.3.5}
{605.5}
{401.1}
{407.2} {4041 }
{1001.4} {0} o
Toilet & Bidet o 15in min side clear from center, 21 in {24in} at front _ [2705.1]
o Centerline of bidet min 15in to rim of adjacent toilet _ [2705.1]
o Flange secure & corrosion-resistant fasteners ___ [27051]
o Flange flush to finish floor, no fouling area F38 _ _ _ [2701.1]
o Max 1.6 gal. flush water closets req'd [2903.2]
o Ballcock antisiphon & critical level min 1 in above overflow pipe _____________ [2902.4.1]
o Max discharge temp at bidet 110°F [2721.2]60
{407.6}
{407.6}
{407.3}
{407.5} {402.2}
{603.42} {nfa}
Tubs o Access req 'd to waste & overflow if slip joints used,
min 12inx 12in door F39 [2704.1]
o Over-rim bath faucet-min air gap 2in [T2902.3.1] o Tub hose attachments req vacuum breaker _ [270S.4, 2902.4]
o Whirlpool tub motor req 's [min 12inx12in] access [1Sinx1Sin if pump >2 It from opening] [2720.1]61
o Whirlpool tub leak testing & pump operation AMI _ _ [2720.3] o Max discharge temp 120°F [2713.3]62
{404.2} {T6-3}
{603.4.7)
{414.1} {nfa}
{414.5}62
Showers D Shower valve, headlriser secure [270S.2]
D Min stall area 900sq.in {1 ,024sq.in} to 70in & 30in circle [2708.1] D Min rough pan 32in x 32in {34in x 34in} [270S.1]
D Curb min 2in & max 9in [2709.1]
D Pan liner plastic or 3 layers hot mop type 15 felt __ [2709.2] D Hot·mopped corners reinforced wf webbing ___ [2709.2.3]
D Liner min 3in above dam or threshold [2709.2]
D Slope lining & floor 'f4infft-'f2infft to drain [2709.1 , 3]
D No fasteners <1 in above dam or threshold [2709 .3] D Weep holes at drain to remain clear [2709.4] D [Min 24in clearance in front of shower opening] ___ [307.1]
D Door must open outward , min 22in wide_ [270S.1, 270S.1.1]63 D Nonabsorbent surface to 72in {70in} above floor ___ [307.2]
D {Shower head not to discharge at shower entrance} _ _ [local]
D Individual pressure balance valve req 'd 120° max _ [270S.3]64
Laundry D Standpipe min 1Sin max 42in {30in} above trap ___ [2706.2]
D Trap min 6in max 1Sin above floor [nfa]
D Laundry tub may drain to standpipe within 30in __ [2706.2.1]
Kitchen D OW drain through wye fitting or to disposer head __ [2717.3]
D Air gap device above FLR req 'd for OW drain F40 [nfa] D OW drain hose min 3f4in, secure to underside
of counter F41 [2717.3]
D Reverse osmosis water treatment drain through air gap [2907.2]
Outdoors D Nonremovable vacuum breakers on all hose faucets_ [2902.4.3] D Backflow protection on irrigation systems [2902.5.3] D Vacuum breaker {6in} above sprinkler heads ___ [2902.5.3]
D No valves downstream of vacuum breaker [2902.5.3]
D Wrap outdoor PVC exposed to sun [ASTM F409]
{411.11} {411.7}
{411.7} {411.6}
{411 .S}
{411.S} {411.S}
{411.6}
{411 .S} {411.8}
{nfa} {411 .6}
{UBC} {411.10}
{41S.0}
{804.1 }
{S04.1 } {0}
{404.4}
{S07.4}
{0} {S01.4}
{603.4.7} {603.4.6.1 }
{T6·2}
{T6·2} {IS-8-313.5}
D Freezing climate hose bibbs "frost·free" extending through insulation into open heated space or drainable stop & waste type _ [2903.1 0] {nfa}
061RC 06 UPC
Heat loop Water Heater in Garage
Strapping & flex connectors in seismic areas
4in. min. above gas valve
Platform to raise ignition source lain. min. above floor Terminate to unless WH is FVIR approved location
max [Sin.] I RC {S-24in,} UPC
Protective above floor bollards or ground
Why TPRV?
Exploding heaters have been known to reach heights of 500ft. & lift houses off their foundations.
TPR Discharge Pipe 06 IRC o Size at least same as outlet & serve only one valve _ [2S03.6.1] o End pointing downward and with no threads ___ [2S03.6.1]
o End outside or other approved location ~6in {6-24in}
from ground, floor, or receptor [2S03.6.1] o May not run uphill or be trapped [2S03.6 .1] o May {not} discharge to WH pan [2S03.6.1]
06UPC {60S.5} {60S.5}
{60S.5}
{60S5} {50S.5}
MECHANICAL 19
WATER HEATERS General 061RC o Full-bore valve req 'd on cold water supply F33,34_ [2903.9.2] o Unions req'd {within 12in} for service and removal __ [2S01 .3]
o Electric req 's in-sight or lockable disconnect ___ [T4001 .5] o Must meet min efficiency with no external blanket __ [1101.2]
Location o Prohibited in bedroom, bathroom, or their closets EXC
o Direct-vent type OR [2005.2, 2406.2]
Separated by weatherstripped self-close door & all combustion air from ext [2005.2, 2406.2]
o Watertight pan req 'd if leaks would cause damage F42 [2S01 .5] o Pan drain min 3/4 in or size of relief valve outlet F42 _ [2S01.5.1]
o Ignition source min lSin above garage floor EXC F42 [1307.3, 2S01 .6]
Listed as Flammable Vapor Ignition Resistant (FVIR) [240S.2X]
o Protection from vehicles req 'd in garage F42 ___ [1307.3.1]
o On ground: {3in} concrete or equivalent req 'd _ [1305.1.4.1] o Outdoor: enclosure req 'd unless listed for ext ___ [2005.1 ]
o SOC 0 0, 0 , & O2 {C, 0 , E & F} strap upper & lower 1/3 of tank with min 4in clearance to controls F42 [2S0 1.7]66
Access & Working Space o Min 30in working space in front [1305 .1]
o Must be able to inspect or remove WH [1305.1]
o Min closet door size 24in wide [1305.1.2]
o Attic: solid passage floor max 20ft, min 24in wide _ [1305.1 .3] o Attic eqpt req 's light and recept near WH ___ [1305.1.3.1]
Temperature & Pressure-Relief Valves (TPRV)
06 UPC {605.2}
{609.5} {N EC}
{501 .0}
{505.1}
{505.1 }6S
{50S.4}
{50S.4} {50S.14}
{50S.14}
{50S.14}
{50S.3}
{50S.27}
{50S.2}
{UMC}
{UMC}
in/a} {509.4}67
{NEC}
o Combination TPRV {req 'd} OR F43, 44 [2S03.1] {506.2,60S.3}
o Separate TRV (Watts 210 valve) and PRV F45, 46_ [2S03.1] {505.4,5} o Watts 210 also req 's pressure relief valve F46 ___ [2S03.1] {505.6}
o Locate TPRV [in top 6in of tank] {per manu} F42_ [2S03.4, 5] {505.6,60S.3}
Temperature & Pressure-Relief Valve
When the water heater is in a basement or below grade, it may not be possible to arrange for a gravity drain of the T &P valve. A Watts 210 valve (F45) can be installed. The temperature-sensing bulb of the valve goes in the upper portion of the tank & the gas piping runs through the valve. The Watts 210 shuts off the gas if the temperature is excessive. In addition, a separate water-pressure-relief valve (F4S) must be installed in the piping & must drain by gravity to an approved location. Check with the local Administrative Authority to see if this method is accepted in your area.
, . Watts 210 Gas Shutoff
PressureRelief Valve
Vents & Flues (also see "Venting" on page 22) o Draft hood/barometric damper in same space
as WH [lS02.1 , 2407.3] o Terminate min 5ft above draft hood __ [lS04.2.3, 2427.6.5]
o Only 1 draft hood [2426.5]
o No single-wall outdoors in cold climate [2427.7.2]
o No single-wall in concealed space or attic [2427.7.6]
o Secure vent connector to draft hood & vent with
{510.12.5}
{510.621} {510.12.3}
{510.7.2}
{51 0.7.4. 2}
screws or other approved means ______ [2427.10.7] {5 10.10.7}
., ., ., ., 1 11 1 11 1 11 1 1 1 ) 1 1 ) 1 1 1
Stretch Flex Duct Flex Duct Support
Min. 12 gauge~Support bands _ min. 1'l2m. Wide •
Sag max. 'hin. per foot of support 4ft. max. spacing
Manufactured ducts must be supported & stretched so they are as straight as possible w/o kinks that obstruct airflow.
MECHANICAL EQUIPMENT-GENERAL
General 061RC 06 UMC o [Eqpt mus be L&L] [1302.1] {n /a} o Install lis ed eqp AMI [1401.1 , 2408.1] {304.1}
o Installation instructions to be left on site _ _ _ [1307.1, 2408.1] {304.1}
o Packing materials removed [1401.1] {304.1}
o Heat source must be capable of maintaining habitable rooms @ 68° {700} at point 3ft above floor & 2ft from ext walls _ [303.8] {U BC}
FORCED AIR FURNACE --------------------~
General Rules & Clearances o Prohibited in bedroom, bathroom, or their closets EX
Direct-vent type installed AMI OR ______ _
Separated by weatherstripped self-close door & all combustion air from ext _ _ _ _____ _ _
o Eqpt room door large enough to remove appl [min 24in wide]
o Workspace min 30in deep x 30in high or to unit's heig
o Install wi clearances to combustibles AMI
o Room considered large in relation to eqpt if 1 2x furnvolume or 16x boiler volume, ___ _____
o Clearance reduction for gas furnace only OK if room considered large [2409.3.
o Oil furnaces: min closet 12in wider than furnace, 3in
6in to open combustion chamber EXC
Lesser clearances OK on replacement eqpt installed AMI _ _ ___ _ ___ ____
o Install above design flood elevation _ ___ _ _
o Electrical recep req'd within 25ft o Air filter(s) req 'd
nderfloor o Ground-supported eqpt on slab above grade [1305.1.o Suspended eqpt min 6in above grade {AMI} [1305.1.
o Passageway [min 22inx30in] clear to eqpt o Access door max distance 20ft to eqpt
o Light near furnace wi switch at access door _ __
o Recep within 25ft & not on appl circuit
o [Excavation 12in sides (30in control side) 6in below] _
C _ [2406.2]
_ [2406.2]
[1305.1.2]
ht_ [1305.1]
[2409.4]
ace ___ [lFGC]
{904.1}
{904.1 }6.
{305.1 }
{305.0} {904.2}
{304.2}
3, 2409.4.1] {904.2D}
side clearance,
[1305.1.1]
[1305.1.1 X]
_ [1401.5]
[3801.11] [1401.1]
U4.1, 2408.4] 4.1, 2408.4]
[1305.1.4] [1305.1.4]
[1305 .1.4.3]
[1305.1.4.3]
[1305.1.4.2]
{n/a}
{9042A}
{308.2}
{309.0}
{312.1}
{904.3} {9043}
{305.0} {n /a}
{N EC}
{309.0} {n/a}
ttic Ao Access opening: min [22inx30in] {30inx30in} OR_[1305.1.3]
[20inx30in] {22inx30in} OK if appl fits through
opening [1305.1.3]
o Max distance from opening 20ft [50ft if 6ft high] _ [1305 .1.3XFo
o Solid floor min. 24in wide to eqpt [1305 .1.3] o Min 30inx30in platform in front of firebox EXC _ _ _ [1305.1 .3]
No platform if eqpt can be serviced from opening _ [1305.1.3X1] o Upright furnace req 's adequate {min 5ft} clearance _ _ [1305.1]
o Luminaire {light fixt} near furnace wi switch @ access door [1305.1.3.1]
o Recep {within 25ft} near furnace & not on appl circuit_ [1305.1.3.1]
o Floor noncombustible or clearances AMI [1307.1]
Garage o Ignition source min 18in above floor EXC _ _ [1307.3, 2408.2]
Separate space not communicating with garage air OR _ [2408.2] Listed flammable vapor ignition resistant (FVIR) appl_ [2408.2X]
o Duct through fire-resistive wall min 26gauge [309.1.1]
o No duct openings into garage [309.1.1] o Protect appl from impact [or elevate 6ft] F42 _[1307.3.1 , 2408.3]
{931 .1}69
{931.1X}69
{931.2}69 {931.2}69
{931.3}69
{931.3X}69 {931.0}69
{931.4}
{309.0} {904.3}
{308.1 }
{308.1 } {3041 }
{UBC}
{UBC} {3081 }
WATER HEATERS FORCED AIR
Condensing Furnaces (Cat. IV High Efficiency) 061RC o Condensate drain required [2427.9] o Not drain to public way [2427.9]
o Drain piping AMI {& '/sin/ft slope} [1411.3.1]
o Auxiliary drain pan or auto cutout req'd _ [1411.3.1,2404.1 OF'
o May drain to indirect receptor (Iav tailpiece, tub overflow}[manu]
{310.1} {310.1}
{310 1}
{n/a}
{310.1}
DUCTS ----~----------------------~
General o Factory-made ducts must be L&L [1601.2]
o 2-story max vert riser on factory-made duct [n/a] o Fireblocking around duct penetrations between floors _ [602.8]
o No duct openings into garage [309.1 .1]
o Min 26gauge sheet steel in attached garage ___ [309.1.1]
{602.3}
{604.3} {UBC}
{UBC}
{UBC}
06UMC
Return Air o Duct to outside enclosure req'd for return _____ [2442.4]
o Must be open to min 25% area served [1602.2]
o Not from bathroom, kitchen, mechanical room,
{904.7D}
{n/a}
closet, garage, or other dwelling unit ___ [1602.2, 2442.5] {n/a}
o Sole return can be from room wi fuel-burning eqpt if supply air provided,
return min 10ft from eqpt & room volume min 100 cu.ft per
1 ,000Btu of eqpt [1602.2, 2442.5]
o Duct min size 2sq.in/kBtu output rat ing [2442.2]
Installation o Ground clearance min 4in [1601.3.6]
o 18in ground clearance if duct cuts off crawl space access [n/a] o Min 2in encasement for ducts underlin concrete _ [1601.1.2]
o Duct joints sealed , taped, or gasketed airtight __ [1601 .3.1]
o Flex ducts req UL-181 B pressure-sensitive tape _ [1601.3.1]
o Flex duct per L&L (1'hin strap every 4ft) F47,48 _ [1601.3.2]
o Round metal duct support: min 'hin metal straps or 12gauge wire every 10ft [1601 .3.2]
o Stud cavities prohibited {restricted} as
supply air duct [1103.2 .3, 1601.1.1]
o Stud cavities & joist spaces OK as returns if no condensation
[not conveying air from one floor to another] [11 03.2.2, 1601.1.1]
{904.7A}
{manu}
{604.2,3} {604.1 }72
{604.2}
{602.4}
{602.4} {T6-10}
{T6-7}
{6021}
{602.1 }
Insulation in Unconditioned Space (1 ~
o R-6 min in floor trusses, R-8 elsewhere EXC _ __ [11 03.3F3
Not req'd for ducts completely inside bldg thermal envelope[11 03.3X]
o Insulate boots & connectors {if over 5sq.ft} [1103.3] o {Runs $1 Oft need not exceed R-3.5} [n/a]
o {Typical min R-3.5 in crawl, R-6 in ventilated attic} _ _ _ [n/a]
{n/a}
{605.0X}
{605.0X}
{6050X} {T-6-6B}
in fiberglass R-3)
DUCTS 20
o Single opening direct to ext or equivalent OK in upper 12in of enclosure min 1 sq.in/3kBtu F49 [2407.6.2] {701.4.2}
o Sing le opening must be ;::: size of al l vent con nectors [2407.6.2] {701.4.2}
Attic Space Source o Attic freely commu nicating with outdoors considered
equivalent to outdoors (ventilated attic) _ [1703.2, F2407.6. 1 (1)]
o Min 1 sq .in per 4,000Btu F54 [1703.2 .1, 2407.6.1]
o Duct galv metal or material of equivalent performance
& no screen or obstruction to air flow [2407.11]'"
o Oil appl: duct 6in above joist or insulation , no screen [1703.3]
{F7-2,3}
{701.4.1}
{70 1.10}75
in/a}
TABLE 26 COMBUSTION AIR-OPENING SIZES
Inside AirA Outside Air Openings
Btu Opening size" cu.ft. min. (sq.ft.C) 1 in.l4kBtu/hr. 1 in.l2kBtu/hr.
30k 100sq.in . 1,500 (188) 15sq.in. 7.5sq.in .
40k 100sq.in. 2,000 (250) 20sq.in. 10sq.in.
50k 100sq.in. 2,500 (313) 25sq.in. 12.5sq.in.
60k 100sq.in. 3,000 (375) 30sq.in. 15sq.in.
4,000 (500) 20sq.in .
25sq. in.
31.3sq.in.
37.5sq.in.
1 opening in upper 12in. of ext wall I
Single min.2sq.in.l3kBtu Opening Method
Exterior ""1 grade ~ Openings
2 min. ®
/ Two openings in ext wall ___ ~ min. 1 sq.in.l4kBtu each
openings in ext wall 1 sq.in.l4kBtu
, each
Vertical Ducts to Vertical
Ducts to Attic Outdoors . f
2 openings in ventilated attic min. 1 sq.in.l4kBtu each &
2 vert ducts sleeved min. 6in. above joist min. 1 sq.in.l4kBtu each
Openings from enclosed WH All Air from space to building interior:
Indoors by min. 1 OOsq. in. each, 1 in upper 12in. &
Infiltration 1 in lower 12in. of enclosure
Crawl Space Source o Underfloor area freely communicating w/ outdoors considered equivalent
to outdoors (ventilated crawl space) _ [1703.2, F2407.6.1(1)] {F7-2}
o OK only for lower CA source, not upper F56 [1703.2, 2407.11] {F7-2} o Min 1 sq. in/4kBtu F55 [1703.2.1 , 2407.6.1] {701.4.1}
o [Oil appl-underfloor vent ilation min 2x req 'd CAl _ [1703.4] in/a}
Crawl Space Crawl space]irl' D cannot be & Attic
the only Open ings ,j
i"" ::P Source
Attic & craw l space Crawl space may not provide . 1 sq. in.l4kBtu each upper combustion ai r source.
MECHANICAL 21
COMBUSTION AIR (C.A.) General 061RC 06 UMC
Note: I RC Chapter 17 is for oil-burning appls & Chapter 24 is for gas-burning appls
o C.A. req'd for natural draft appl EXC [1701 .1, 2407.1] {701.1.1} CA for direct vent appl per manu [1701.1 , 2407.1] {70 1.1 X 1}
o Draft hood in same space as appl [2407.3] {70 1.1.3} o Consider effect of exhaust fans (kitchen , bath) ___ [2407.4] {701.1.4}
Openings & Ducts o Outside air openings req screens w/ mesh ~ 1/4in [1703.5, 2407.10]
o No screens allowed on ducts to attic ___ [1703.3, 2407.11]
o Net area of louvered openings = 75% if metal, 25% if wood [1701.5, 2407.10]
o Ducts to outdoors min dimension 3in __ [1703.2.1 , 2407.6]
o No manual dampers in C.A. ducts [1701.3, 2407.11]
o Motorized louvers/dampers OK only w/ appl interlock [2407.10]
o Joist/stud space OK as CA duct if no more
than 1 fireblock removed [2407.11 X] o Mechanical CA supply min 35cu.ftlminute/kBtu __ [2407.9]
o Appl interlock req 'd if mechanically supplied CA _ [2407.9.2]
o Ext openings min 12in above grade F50, 51 ___ [2407.11 ] o Ducts may serve only 1 enclosure [2407.11]
o Horiz ducts to upper part of enclosure may not slope down
to source (upper duct not to originate from below) _ [2407.11]
o Upper & lower ducts remain separate to source _ _ [2407.11]
o 2 direct ext openings min 1 sq.in/4kBtu T26, F51 [1703.2, 2407.6.1]
o 2 openings in upper & lower 12in F51, 54 _ [1703.2 , 2407.6.1] o 2 horiz ducts min 1 sq .in/ 2kBtu T26, F50 _ [1703.2 , 2407.6 .1]
o 2 vert ducts min 1 sq.in/4kBtu T26, F52, 53 [F1703.2 (3) , 2407.6.1]
{701 .9B}74
{701.10}
{70 19A}
{701.3,4,5}
{701 .11} {701. 11}
{701 .10X} {70 1.7}
{701.8.2}
{701 .10} {701 .10}
{701 10} {70 1.1 O}
{701.4.1 } {7014.1}
{701.4.1} {701.4.1}
Single-Opening Method
TIM
Indoor Air Source 061RC 06 UMC o Min volumes for known air infiltration method: (ACH = air changes per hour)
• Non-fan-assisted appl min vol = (2 1 cu.ft/ACH)KBtu [2407.5.2] {701.2.2}
• Fan-assisted appl min vo l = (15cu.ft/ACH)KBtu _ [2407.5.2] {701.2.2}
o Indoor air source alone only OK if ACH>.40/hr ___ [2407.5] {701.2}
o Min vo lume of space 50cu.ft/ 1 ,000Btu/hr T26, F54 [2407.5.1] {701.2.1} o Indoor air volume includes rooms directly communicating
w/ appl space T26, F54 [2407.5] {701 .2}
o Openings connecting indoor spaces req'd to be located in
upper & lower 12in of appl space F54 [2407.5.3.1] {701.3.1}
o Openings con necting indoor spaces min 1 OOsq.in each min 1 sq.in/kBtu if on same level, 2sq.in if on different levels T26 __ [2407.5 .3] {701.3. 1}
1
Vent Offsets
Appl iance manufacturers supply venting tables giving max Btu capacity for Ceiling different sizes, lengths & offsets. When not using the
tables, 1 60° offset 0 K When the offset includes & flue offsets ~45° OK more than 2 90° bends, if total horiz. length of subtract 5% from the table connector & vent ~75% capacity for each elbow of height. up to 45° & 10% for each
elbow up to 90°.
Gas Appliance Vent Terminations
If vent is closer than Sft. to the wall, the vent must terminate at least 2ft. above the roof edge.
Termination height, see T29
VENTING
General (Gravity Gas) o Install per manu instructions &D Induced-draft (Category I) can
061RC 06UMC listing [2427.6 .1 J {S02.6.1.1} be "gravity vent " T27 _ [2427. 1) {S02. 1}
D Type B or L min 5ft height from collar [2427.6 .5J {S02.6.2 .1 } D Bends 45° max exc one of 60° EXC F57 [2427.6.9 .2J {S02.6.1.1}
Systems designed using vent sizing tables [242S.2 .3J {S03.1.2}
D Provide proper support {AMI} F57 [2426.6) {S02.6.5}
D Insulation shield req 'd [to 2inJ above insulation F57 _ [2426.4J {manu} D No sol id fuel & gas in same vent [2427.5 .6.1 J {S02.5 .5. 1}
D Vents <1 112in from face of framing req steel plate protection extending 4 in beyond edge of framing member [2426.7)16
D Single wall may not originate in attic or pass through wall [2427. 7.6) D Min 6in clear to combustible for single wall pipe __ [2427. 7. 7J
Connector
{n /a} {S027.4.2}
{S02.7.4.4}
D Size: min 7sq.in or 3in diameter [T242S.2 (2)J {TS-6} D Size : max 2x diameter of vent co llar or draft hood _ [242S.2.11 J {S03.1. 10}
D Use B or L materials in crawl spaces & cold areas EXC[2427.1 0.2.2J {S02. 1 0.2.2}
Within ext walls of bldg & 99% winter design temp ~5°F [24 27.1 0.2.2XJ {S02.1 0.2.2X}
D Un insulated connector max 75% of vert vent __ [2427 10.9J {S02. 10.9.2}
D Insulated connector (type B) max 100% of vert vent [2427.1 0.9J {S02.10.9.3}
D No single-wall connector through floor, ceiling, or wall [2427.1 0.14) {S02. 1 0.1 4.1}
D Slope min 1/4in/ft toward appl EXC [2427.10.SJ {S02. 10.S} Mechanical draft systems AMI [24 27. 10.SXJ {S02. 10.SX}
D Screws or approved method AMI to appl vent collad2427.1 O. 7J {S02.1 O. 7}
Appliances with Common Venting D Multiple connectors join as high as possible __ [2427.1 0.3.4J {S02.10.3.4}
D Entering connectors staggered, smaller above larger[2427.1 O.4J {S02.1 0.4.1}
D 2 connectors: common connector must equal largest
connector + 50% of smaller one [2427.10.3.4J {S02.10.3.4}
" 8 " Vents Termination Clearances D Must extend above roof _ _ _ _______ [2427.6.3J
D 2ft above vert surface within Sft F58 [2427.6.4J D Min 1 ft above roof T28 [F2427.6.4J
D Per table for roofs steeper than 6 :12 T28 [F2427.6.4)
"l" Vents (Oil) Termination Clearances D Min 2ft above roof ____ ____ ____ [1S04.2.4)
D Min 2ft above anything within 10ft [1S04.2.4)
{S02 .62} {S02 .6.2}
{S02.6.2} {S02 .6.2}
{S01 .2} {S01 .2}
COMBUSTION AIR VENTING
Forced Vents (Category IV): (also see page 20) 061RC 06 UMC o All mechanical draft systems L&L & installed AMI_ [2427.3.3) o Forced draft system must be gas t ight [2427.3.3)
o No natural & forced-vent to common flue [2427.3.3)
o Terminate min 3ft above forced -air inlet within 10ft _ [2427.S)
o Termination same as direct vent (see p. 23) if combustion air
piped from ext & AM I [2427.S)
{S023.4. 1 } {S02.3.4.3}
{S023.4.4}
{S02.S.1}
{S02.S.2}
o Terminate min 4ft below or to side or 1 ft above window or door & min 1 ft above any bldg opening, & min 1 ft above grade [2427.S) {S02.S.2}
{S02.9.1} o Collect & dispose of condensate from vent [2427.9)
Gas Vent Entering Masonry Chimney o Enter above [min 1 2in) bottom of chimney [2425.9) {S02.1 0.11}
o Must be lined with clay or metal [2427.5.5. 1) {S02.5.4.2}
o Cross-sectional area not >7x size of gas vent _ _ [2427.5.4J {S02.5.3}
TABLE 27 APPLIANCE VENTING CATEGORIES [12427.41 & {T8-1}
Category Condensation Static Pressure Typical Vent
I No Negative B Vent
II Yes Negative Per manu
III No Positive Per manu
IV Yes Positive Plastic
TABLE 28 TERMINATION OF B & BW VENTS [F2427.6.5] & {F B-2}
Roof Slope Height above Roof
upt06: 12 1ft.
>6:12 to 7: 12 1ft.3in.
>7: 12 to S:12 1ft.6in.
>8:12 to 9: 12 2ft.
>9:1 2 to 10: 12 2ft.6in.
> 10:12t0 11:12 3ft. 3in.
> 11 :12 t0 12:12 4ft.
> 12:12 t014: 12 5ft.
> 14: 12 to 16: 12 6ft.
> 16:12 t018: 12 7ft.
> 18:1 2 to 20:12 7ft. 6in.
>20:12 to 21 :1 2 8ft.
22
Dryer Moisture Exhaust Ducts
No screws in airflow ~ ~ ~
o i tr-
I [25ft. max. minus 2V2ft. each 45· of bend]
{14ft. max. minus 2ft. each 90· bend in excess of 2 bends}
connectors
MECHANICAL 23
APPLIANCES
General (also see "Connectors;' page 17) 06 IRC o Install AMI [1307.1 , 240S.1] o Attach installation instructions to appl ___ [1307.1 , 240S.1]
o If code & manu differ, more restrictive rule applies __ [240S.1]
Air Conditioning o Evaporator downstream from fur
o Working space min 30inx30in
nace heat exchanger _ [1411.2]
[1305.1]
o Condensate may not drain to public way [1411 .3] o Drain pipe [min 3/sin] {AMI & min 1/sin/ft slope} __ [1411.3.2]
o May drain to indirect receptor (lav tailpiece, tub overflow) [local]
o Protect from condensate overflow w/secondary drain line OR Drain pan with drain pipe under eqpt OR [1411.3.1]
Water level detection device interlocked to eqpt _ [1411.3.1]n
o Overflow/secondary drains to readily observable location [1411.3.1]
o Outdoor condenser on raised level base [1401.4]
o Electrical disconnect req 'd in sight of condenser F68_ [4001.5]
Direct Vent Termination o 0-1 OkBtu/hr min 6in clearance to bldg openings __ [2427.S]
o 1 Ok-50kBtu/hr min 9in [2427.S]
o >50kBtu/hr min 12in [2427.S]
o 12in clearance to ground [2427.S]
Range/Cooktop o Vert clearance to combustibles 30in ______ [1901.1]
o Reduced clearance OK if L&L & AMI [1901 .1] o {24in vert clearance OK w/ sheet metal over millboard} _ [n/a]
o Horiz clearance per manu [1901 .2]
06UMC {304.1} {304.1}
{103.0}
{904S}
{305 .0}
{310.1}
{310.1} {3101}
{3102}
In/a}
{310.2}
{11062} {NEC}
{S02.S.3} {S02.S.3} {S02.S.3}
{S02.S.3}
{916.2B}
{916.2B}
{916.2B} {916.1A}
Freestanding Room Heaters o Secure to floor [1307.2]
o Clearances AMI {12in if unlisted jacketed type} __ [2446.1]
o Flame safeguard (pilot safety) req 'd [2446.1]
o Unvented heater may not be sole heat source ___ [2445.2]
o Unvented heaters max 40kBtu input, 6kBtu in bath, 10kBtu in bedroom & must have adequate combustion air _ [2445.3,4,5]
o Unvented heater must have oxygen depletion shutoff _ [2445 .6]
Fireplace with Gas Appliance o Pipe penetration sealed with listed material [2432.1]
o Decorative log set req 's damper blocked open ___ [2432.1]
o Req 'd valve :S:6ft of fireplace & in same room OR __ [2420.5]
OK in or remote from firebox if installed AMI [2420.5X, 2420.5.1]
o Decorative log sets w/ pilots or ignitor req pilot safety [2432.2] o Unvented log heaters not in factory fireplace
unless L&L ___________ [1004.4, 2445.7]
o Fireplace screen req'd [n/a]
o Adequate combustion air req 'd if in bedroom or bath [2406.2X2, 2432.3]
{304.4}
{924.3}
{306.0} {9 24.1}18
{924.1.1X}
{local}
{907.2}
{907.2} {1312.4}
{0}
{306.0}
{907.2} {907.3}
{907.1}
WALL FURNACES
Clearances & Installation D Header height AMI [2436.1]
D Side & top clearance req 'd to prevent ignition hazards [2436.3]
D Door swing [min 12in] may not cause hazard [2436.4] D Door stops not allowed to provide req 'd clearance _ [2436.4]
D Room or space must have adequate combustion air _ [2407.5]
D No ducts attached to wall furnaces [2436.5]
Vent (Type BW) D Min termination 12ft from base of wall furnace __ [2427.6.5]
D Base plate & firestop spacers per manu [2436.1]
{92S.1 C}
{92S.2}
{92S.2}
In/a} {92S.3}
{92S.1A}
{S02.6.2.2}
{92S.1}
FLOOR FURNACES
General 061RC D May not project into habitable space ____ [2437.5 , 6]
o 6in to ground, 1 2in sides, 1Sin control side [2437.4] o Flat-register type min 6in from any wall [2437.2] o Not in doorway & 1 2in from door swing or draperies _ [2437.2]
o 1Sin clearance req'd at 2 adjoining sides [2437.2]
EXHAUST SYSTEMS
Electric Clothes Dryer Ducts D L&L ductless (condensing) dryers OK per L&L __ [1502.1 X] o Closet install req 's make-up air opening min 100sq.in _ _ [n/a]
o Flexible connectors from dryer to duct must be listed
In/a} (504.3.2)
& max Sft {6ft} F59 [1502.4] {504.3.2.1 X} o Connector not concealed in construction F59 _ __ [1502.4] {504.3.2.1 X}
o Duct smooth metal , no screws in air flow F59 _ __ [1502.5] {504.3.2.1}
o Duct size of appl outlet {min 4in} [1502.3] {504.3 .2} o [Max length 25ft minus 2112ft per each 45° of bend] _ [1502.6] In/a}
o {Max length 14ft minus 2ft each 90° turn more than 2} _ [n/a] {504.3.2.2}
o Longer lengths OK w/ specific dryer installed AMI [1502.6X]79 In/a} o No mixing with or passage through other systems __ [1502.1] {504.31}
o End outside in backdraft damper & no screens F59 _ [1502.2] {504.3.1}
o Min 3ft from other bldg openings [1502.2]80 In/a}
06UMC {912.11 ,12}
{912.7}
{912.4B}
{912.4A, C}
{912.4B}
Gas Clothes Dryers & Ducts D Closet install req 's [1 OOsq.in] make-up air opening _ [2439.4]
o Flexible connectors from dryer to duct must be listed & max Sft {or AMI} F59 [2439.5]
o Connector not concealed in construction F59 ___ [2439.5]
o Smooth metal inside [min 4in diameter] & no screws in
air flow F59 [2439. 5]
o [Max length 25ft minus 21/2ft per each 45° of bend] EXC [2439.5.1] Longer lengths OK w/ specific dryer installed AMI [2439.5.1 X]
o No mixing with or passage through other systems __ [2439.1]
(905.3A)
{905.4C}
{905.4C}
{905.4B,C}
{manu}
{905.4A}
o End outside in backdraft damper & no screens F59 _ [2439.3]
Bathroom Exhaust Fan (also see page 10) o Must exhaust direct to outsio Opening min 3ft from PL {or
o Openings weather protecteo Duct material approved for a
Outside termination req 's 1/4
de [303.3X,150 1.1]35 bldg openings} [303.5]
d {backdraft damper req 'd} [303.5] pplication [1506.1]
in-1I2in mesh screen __ [303.5]
{504.1 }
{504.5} {504.1}
{504.1}
In/a} o Range Hood Ducts o Terminate outdoors {min 3ft
Ductless range hoods OK p
o Must be metal with smooth iPVC OK for downdraft duct
o Backdraft damper req 'd
er L&L [1503.1 X]
nt EXC [1503.2] under slab [1503.2X]
[1503.1] o Min 100 cfm intermittent or 25 cfm continuous __ [1503.3]
{304.1} {504.2}
{504.2X} {504 .1}
(n/a)
from opening or PL} EXC [1503.1]
{905.2A}
{504.5}
Service Drop Clearances
18ft.
12ft
Clearances around Service Equipment
::::::===;~~~====T=~3ft. min.
measured Keep the ~ ___ +_ -Irom front property line edge of in mind when panel spotting a meter location. A future chain·link fence can create a I
potential hazard. I Maintain to I height of I edge I I
l l~ I : Sft. Sin.
I I I _~ ,~. ,
Location UF Rigid Cable Metal PVC
ELECTRICAL
GFCI20A Circuit s30v
10ft min to lowest point bottom of drip loop ___ [3504.2.2]
o 10ft min above areas accessible only to
pedestrians [3504.2.2] o 12ft above residential property & driveways _ _ _ [3504.2.2]
o 1 ~ft above public streets & tractor trailer parking _ [3504.2.2]
HVAC •
{230.24B}
{230.24B}
{230.24B} {230.24.B}
--------- ------~~-
SERVICES
General 061RC D All eqpt shall be [L&L] {approved} _ _____ [3303.3)
o 1·FD min 1 OOA service [3502.1)
o All other services min 60A [3502.1)
o Only 1 service allowed per dwelling [3501.2)
05 NEC {110.2}
{230.79C}
{230.79D} {230.2}
Service Riser/Lateral o Underground depth per tables &
o Underground raceways sealed in
o Warning ribbon 12in above burie
o Service riser adequately braced &
o No unsupported couplings above
o Only service conductors on mast o Plumbing pipe or fittings prohibite
o Clamp conduit within 3ft of servic
side panel _ __ [3501.5)
d service conductors [3703.2)
per utility specs _ [3504.5) roof [3504.5)
(no CATV or phone)[3504.5) d [3303.3)
e box [T3702.1)
{300.5G}
{300.5D3}
{230.28}
{230.28}{230.28}
{110.8}
{3XX.30A}*
"The 2005 NEC uses a parallel numbering system. The section for support is .30. The articles for various service risers are: RMC=344, IMC=342, RNMC=352, EMT=358
utility 129 [3703.1) {300.5A}
Meters & Service Hardware D Verify meter height, location, fees wI utility [utility)
o Meter base alone not considered service eqpt __ [3501.6.1)
o L&L "Suitable for Service" or "Suitable Only for Service" [3501 .6.1]
o 6 handles max to disconnect power at service __ [3501 .7] o Backfed breakers mechanically secured in place _ [3606.5]81
o Neutral bar must be bonded in service eqpt [3507.5]
{230.66}
{230.66}
{230.71A} {408.36F}
{250.28}
o Eqpt working space min 30in wide, 36in deep F61 _ [3305.2)
Service Conductors o Utility may have jurisdiction for outside service conductors [local]
o Service entrance conductor size per table 129 __ [3503.1]
o Min 18in of conductor at weatherhead [utility] o Identify (white tape) insulated neutral at each end _ [3307.1]
o Drip loop below weatherhead F61 [3505.9.5]
o Arrange weatherhead & conductors to prevent water entry [3509.6]
o Exposed wire sunlight resistant or covered ___ [3505.6]82
o SE cable secured 12in of service box & every 30in _ [T3702.1]
o Min rating for 1·FD 100A [3502.1] o Min rating for individual unit of 2·FD 60A [3502.1]
Not pass through int of another bldg [3501.3]
{90.2C} {230.42A}
{utility}
{2006B} {230.54F}
{230.54G} {310.8D}82
{230.51 All {230.42B} {230.42B}
{230.3} o Clearances above Ground F60 o
{utility}
{110.26A}
Clearances above Roof Surfaces F60 D Setback & clearances per utility D 8ft min if slope <4:12 D 3ft min if slope ~4:12
D Maintain req 'd clearance for 3ft past roof ed
D 10ft clearance above roof used as walkable d
D 18in clearance OK overhanging eave
Clearances from Building Openings FD 3ft below or to sides of doors & openable wind
Not req'd for raceway or enclosed cable
D Above window per utility
D Maintain clearance above decks & stairs for
061RC [utility]
05 NEC {utility}
{230.24A}
{230.24AX2}
{230.24A}
{230.24AX1 }
{23024AX3}
[3504.2.1] [3504.2.1 X2]
ge _ [3504.2.1]
eck [3504.2.1 X1]
[3504.2.1 X3]
60 ows EXC [3504.1]
[F3504.1]
[F3504.1)
{230.9A}
{230.9A}
{230.9AX}
3ft
past edge [3504.1 , 2.1] {230.9A,B}
_~Hdrv""'" J --- ---I.., I Service panel clearance area
- -:- - , ~ -----"'=-c'''7,t ___ - - - - -
Meter height is utility's call (44in.-SSin.)
Grounding Electrode System (GES)
5ft. max.
GEe \
All available electrodes must be bonded together & a GEC must connect them to the service Rod min.
8ft. below neutral.
• I ••
Cu Service Wire Aluminum Service Wire
Max. Service Rating GECCu
--_ ... _-_ ..•... -~--...... --------~-~-------------------------------....
TABLE 30 I;
1. Indoor sq.ft. x 3VA/ft.
2. Min. 2 small appliance circuits @ 1 ,500VA ea. 3,000
3. Laundry circuit @ 1,500VA 1,500
4. Nameplate VA of fixed appliances:
Dryer @5,000VA
Oven(s)
Cooktop
WH
DW
Disposer
Other
5. Subtotal
6. First 1 O,OOOVA @ 100% 10,000 10,000
7. Balance@40% (subtract line 6 from line 5) xA
S. Largest of heating or cooling load:
Sa. Nameplate rating (s) of air·conditioning & cooling eqpt OR
Sb. Heat pump nameplate if no supplemental electric heat OR
Sc. Continuous electric thermal storage @ nameplate rating OR
Sd. 100% of heat pump nameplate rating plus 65% of supplemental electric heat or central electric heat OR
Se. Space heaters @ 65% of nameplate rating if <4 units OR
Sf. Space heaters @ 40% of nameplate rating if ~4 units
9. Total load in VA
10. Divide by 240 = minimum service rating
A. Minimum size is 100 amps or result of calculation from table, whichever is greater.
PANELBOARDS (LOAD CENTERS)
General 061RC D Working space 30in wide x 3ft deep min F61 _ _ [3305.2]
D Working space min 6ft 6in high F61 [3305.2]
D Neutral not to be regrounded after service EXC F62 _ [3507.2]
Separate bldg wi no parallel metal path between bldgs[3507.3]
D Subpanel neutrals NOT bonded to enclosure & grounds [3808.6] D Only 1 wire per breaker unless L&L for 2 [3306.9] D Each neutral req 's individual terminal [3306.9]83
D Overcurrent protection req 'd per tables T32 ___ [3605 .5]
D Breakers L&L for panel [3303.3]
D Breaker & fuse labeling on panel must distinguish their use from all other circuits [3606.2]84
D Unused openings closed equivalent to original __ [3304.5]
D Max height of breakers 6ft 7in [3605.7]85
D No panels in clothes closet or bathroom [3605.7] D 1/4in behind surface-mounted panel in damp or wet location [3807.2]
05 NEC {II 0.26A 1 ,2}
{110.26A3}
{250.24A5}
{250.32B2}
{408.20} {110.14A}
{408.21 } {24004}
{110.3B}
{40804}84
{110.12A} {240.24A}85
{240.24D,E} {312.2A}
Subpanel
In a downstream subpanel, the white neutral & the equipment grounds must not be bonded together. The neutral MUST be insulated from contacting the metal enclosure & any equipment grounds. Bonding these conductors is hazardous because it will cause neutral currents to travel on metal services of electrical boxes & conduits.
GROUNDING & BONDING
Grounding Electrode System (GES) D Use underground water pipe if metal &
more in earth
o Attach to water service before 5ft of piping into o Bond around removable eqpt (meters, etc.) _
o Supplement water pipe (can't be sole electrodo "Ufer"=20ft #4 rebar or Cu wire near bottom
[3508.1 .1]
bldg [3508.1.1] _ _ [3508.1.1]
e) [3508.1.1.1]
of footing req'd in new construction F63 ___ [3508.1 X,2]'6
{250.52A I}
{250.52Al }
{250.53Dl }
{250.53D2}
{250.50AX}86
10ft or 061RC
o Ground rod min 8ft F63 [3508.104]
o Ground rod driven flush & min 8ft deep F63 _ _ [3508.104.1]
o Rod resistance >250hms, req 's second rod min 6ft apart[350804] o Detached structures wi >1 branch circuit require G ES [3507.3]
{250.53G}
{250.56} {250.32A}
Clamps D Clamp to ground rod L&L for direct burial _ __ _ [3511 .1]
[3511.2] D Clamps accessible, unless buried or concrete-encased
{250.70}
{250.68A}
Grounding Electrode Conductor (GEC) D G EC must connect to neutral at service [3507.2]
D 8 AWG req 's protection in raceway [T3503.1]
D 6 AWG following bldg contour OK wlo protection _ [3510.2] D 6 AWG largest size GEC req 'd if dead-ends at rod [T3503.1]
D 4 AWG largest size GEC req'd if dead-ends at Ufer[T3503.1]
{250.24A}
{250.64B}
{250.64B} {250.66A}
{250.66B}
Bonding D Bond all available electrodesD Provide means to bond phone & CATV to service _ [3509.3] {250.94}
D Bond lightning protection to G ES [n/a] {250.106}
D Bond metal raceways enclosing GEC [3510.3] {250.64E}
D Bond service raceway fittings wi bonding jumpers if knockouts remain, use bonding locknuts if no remaining concentrics _ [350904] {250.92B}
. . ...
05 NEC
{250.52A5}
. .
(water piping, rod, Ufer) [3508.1] {250.50}
D Bond metal piping, hot, cold & gas [3509.6, 7] {250.104A,B}
D EGC of eqpt (ex: forced·air furnace) may be used to bond gas [3509.7] {250. 04 B}
'
Islands & Rain-Tight Peninsulas Covers
If cabinet is ~20in. above counter, receps. can be installed on cabinet and are safer t han under counter.
Island or peninsula Required for reqs. min. 1 outlet. • wet locations
ELECTRICAL
6ft. & 12ft. Rule
... ~6ft.
Fixed Fireplace does not count as
I glass to floor
\ wall space. /' Distance at ~6ft. wall/floor Openable
sliding line between door --... .... each of these
receptacles is a max. Receptacle
I of 12ft. required if--....
~6ft. wall wider
than 2ft.
Openable f sliding door ~
I::;:===~r /~ Permanent partition t
~ t
Floor receptacle required ~J e: Fixed glass within 6ft. of beginning of to floor
glass & 18in. O:.~~II /
b .. ( ' Receptacle required for hallway
'-"--:21 Oft.
TABLE 32
Fuse or Breaker
Branch Circuits or Feeders Wire S izeA
Cu Aluminum
Service Conductors Wire Size"
Cu Aluminum
15 14 12
20 12 10
30 10 8
40 8 6
50 8 6
60 6 4
70 4 3
80 4 2
90 3 1/0
100 2 1/0 4 2
110 1/0 3
125 1/0 2 1/0
150 1/0 2/0 2/0
175 2/0 3/0 1/0 3/0
200 3/0 4/0 2/0 4/0
225 3/0 250kcmil 3/0 250kcmil
250 4/0 350kcmil 4/0 300kcmil
300 300kcmil 400kcmil 250kcmil 350kcmil
350 400kcmil 600kcmil 350kcmil 500kcmil
400 500kcmil 800kcmil 400kcmil 600kcmil
A. Branch circuit & feeder wire sizes are based on [T3605.1] & {T31 O.16} for not more than 3 currentcarrying conductors in a raceway or cable & without temperature corrections. Conductors # 1 & smaller or connected to breakers 1 aDA or less are based on a eo°c ampacity; larger conductors & breakers are based on a 75°C ampacity.
B. Service conductor sIZes are based on the wire types in [T3503.1) & (T31 0-15(b)(6)}.
..
BRANCH CIRCUITS
Required Branch Circuits D Min 2 20A small appl circuits for receps i
breakfast room, dining room & pantry
D 20A recep circuit for bath receps only O
D 20A dedicated circuit for each bathroom D Central heating req 's individual circuit D Cord/plug range hood req's individual ci r
D 20A circuit dedicated for laundry eqpt D Min 30A circuit for electric dryer D int living space: typical 1 circuit per 500s
n kitchen (including refrigerator), [3 603.2) {21 0.11 C1}
R [3603.4) {21 0.11 C3}
[3603.4X) {21 0.11 C3X} [3603.1) {422.12}
cu it __ [4001.3)87 (422.1684}87
[3603.3) {21 0.11 C2} [T3604.2(1 )) {220.18}
q.ft ___ [3603.5) {21 0.11 A}
Restrictions on Required Circuits D No lights or other outlets on small appl circ
Clock, range igniter, or refrigerator OK _
D Refrigerator OK on individual circuit 2: 15
uits EXC [3801.3.1) (2 10.5282) _ [3801.3.1 X1 , 2) {21 0.5282X1}
A ___ [3603.2X] {2 1 0.5282X2}
D No other out lets (including lights) on bath recep circuits EXC Individual circuit may serve all outlets in 1 bath _ [3603.4X) {21 0.1 1 C3X}
D Only laundry appl on laundry circuit (no lights) __ [3603.3] {21 0.11 C2}
061RC 05 NEC
.
• •
I -
.
RECEPTACLE OUTLETS
Required Branch Circuits D 15A circuits: 15A receps only
D 20A circuits: 15A (duplex) or 20A r
Hallways & Habitable Rooms D Any wall 2:2ft in habitable room req 's
D No point on wall >6ft horiz from rec
D No electric baseboard heaters underD Hallway:21 Oft requires recep F66
Kitchen D Min 2 small-appl circuits serving couD No point along counter >24in from r
D Kitchen counters 2: 12in req's recep
Spaces <12in deep behind sinks &
D Recep req 'd behind corner sink if sp
218in deep
D Countertop receps max 20in above D Islands min 1 recep per counter spaD Island, peninsula & disabled access
cabinet max 12in below & no overha
Bathroom D Recep req 'd within 3ft of edge of eaD Recep on wall or on side or face of
from top D No receps inside or over tub or sho
eceps OK _[T3902.1.2)
recep F66 _ [3801 .2.2]
ep F66 _ __ [3801.2. 1)
receps, see p.27 [3801.1) [380 1.10]
{T21 0.21 83}
{210.52A.2}
{210.52A.1} {210.52}
{210.52H}
ntertops _ _ [3801 .3.2) {21 0.5281} ecep [3801.4.1] {21 0.52C1}
EXC [3801.4.1] {21 0.52C1}
ranges _ [3801.4.1 X]88{21 0.52C1 X}88 ace
[3801.4.1 X]'9{21 0.52C1 X}89
countertop F64 [3801.4.5] {2 10.52C5} ce F64 __ [3801.4.2, 3] {2 10.52C2,3} receps allowed on side of
ng >6in F64 [3801.4.5X) {2 10.52C5X}
ch basin ___ [3801.6) {210.52D} cabinet if < 1 2in
[3801.6X] {2 10.52DX} wer space __ [3902.11) {406.8C}
Basements & Garages D Min 1 general-purpose recep (in add
D Each section of unfinished basemen
Outdoor D Grade-level receps req 'd front & rear
ition to laundry) [380 1.9]
t req's recep _ [3801.9]
_____ _
D Damp location (carport) req's weatherproof cover _ D Wet location req's in-use (bubble) cover F65 ___ _
[3801.7] [3902.8] [39029]
{210.52G} {210.52G}
{210.52E} {406.8A}
{406.881}
061RC [T3902.1 .2)
05 NEC {T21 0.21 83}
Air-Conditioning Condenser
All air conditioners require an in-sight disconnect.
Surface fluorescent or Closet Light Clearances rt>~·t>".ot>" incandescent
12in.
Surface wall lights Surface only OK over door. fluorescent
Shaded areas are desi9nated as storage. The storage area 72in. above the shelf is the shelf width or 12in., whichever is 9reater.
A
{422.16A
{430.32B1 ,2}{210.70A3}
{422.12{422.12X
{210.63
{422.13
{422.31B
{424.3B{manu,424.9
{424.9
{422.18
{314.27D
{314.27D}
{314.27D
Kitchen ORange/oven >8.75kw (kilowatt) min 4
(#8Cu #6Aluminum) o Disposer cord min 18in max 36in
o DW & compactor cords min 36in max
o DW & disposer not on same circuit
o 2 circuits sharing split duplex recep (ereq 's common trip breaker or handle ti
Central Furnace o Cord & plug connection NOT OK
o Fused disconnect req'd AMI unless ther
o Lighting outlet switched at entry to eqo Central furnace must be on individual
Auxiliary eqpt (ex: filter) OK on furnac
o 120V recep within 25ft on same eleva
Water Heater o Circuit min 125% of nameplate rating
D In-sight or lockable breaker or switch
Space Heating D Circuit min 125% of nameplate rating D No electric baseboard heaters under
D Receps in baseboard heaters not on
Paddle Fans D Not to be supported by standard elec
D Boxes & box systems listed for fan suOK to 70lbs
D If listed for >35Ibs, max weight must
D Fans over 70lbs req independent sup
0A wire [3602.9.1] {21 0.1 9A3}[T4001.3] {422.16B1
48in __ [T4001 .3] {422.16B2
[3601 .2] {210.20A,C}
x: disposer & DW circuits) e on breakers [3601.5] {210AB
[4001.3]
mally protected [4001.2] pt space __ [380304] circuit EXC _ [3603.1]
e circuit __ [3603.1]
tion ___ [3801.11]
[3602.10]
req 'd F67_ [T4001.5]
[3602.10] recep outlets _ [4001 .2]
same circuit _ [3801 .1]
trical boxes _ [3805.9]
pport [3805.9]
be marked _ [3805.9]
port [3805 .9]
}
} }
}
}
}
} }
}
}
}
}
{440.63}
{440.64}
{440.65}
D Cord/plug disconnect OK if controls <;
D Max cord length 120V = 10ft, 240V =
D Cord/plug units req AFCI or LCDI (le
,6ft of floor __ [n/a]
6ft [n/a]
akage current detection interrupter) in cord or plug cap [n/a]
{440AB] {440.14}
{110.26A}
GFCI & AFCI PROTECTION ----
PPLIANCES
Required Disconnecting Means 061RC o Breaker alone OK if appl <;,300VA or 1fshp ___ [T4001.5]
D Accessible cord/plug for appls listed for cords _ [T 4001.5] D In-sight or lockable breaker or switch EXC F67 _ [T 4001.5]
Unit switch that opens all hot conductors OK __ [T 4001.5]
{422.33A} {422.31 B}
{422.34}
D Air conditioner always req 's in-sight disconnect _ [T 4001.5]
Breaker Lockout
If disconnect is not in sight of appliance, lockable breaker required.
Window/Wall Air Conditioners
05 NEC {422.31A}
{440.14}
}
}
}
Central Air Conditioning D Central AC wire & breaker/fuse size per nameplate [3602.11] D Disconnect in sight of condenser F68 [T4001 .5]
D Disconnect clearance min 30in wide, 36in deep F68 [3305 .2]
Required GFCI Protection 061RC D All bathroom receps [3802.1]
D All receps serving kitchen countertops [3802.6] D All outdoor receps EXC [3802.3]
Non-readily-accessible recep for de-icing tape __ [3802.3X] D All garage & unfinished basement receps EXC __ [3802.2]
Receps not readily accessible & recep(s) only for appl(s) in dedicated space __ [3802.2X]
D Receps within 6ft of wet bar, laundry, or utility sinks [3802.7]"°
AFCI Protection D Req 'd for all branch circuits w/ outlets in bedrooms [3802.12] D Effective 1/1/08 must be "combination type" UL listed [3802.12]91
LIGHTING OUTLETS
Required Locations D Wall-switched lighting outl
rooms & bathrooms __et in all habitable
05 NEC {21 0.8A 1}
{210.8A6} {210.8A3}
{210.8A3X} {210.8A2,4}
{210.8A2,4X}
{210.8A7}
{210.12B} {210.12B}91
_________ [3803.2] {21 O. 70A 1}
D Lighting outlet may be switched recep exc in kitchens & bathrooms [3803.2X]
D Hallways, stairways & garages [3803.3] D Outside each ext door with grade-leve l access __ [3803.3]
D Garage vehicle door does not req light [3803.3]
{210.70A1X} {210.70A2}
{210.70A2}
{210.70A2}
Switching D All switching in ungro
D Occupancy sensors D Switch req 'd at each D No dimmers controllin
Bath D No pendant, track, or
& within 3ft of side of t
D Luminaires in above z
Track Lights D Track rating not <load
D Lighting track min 5ft a
Recessed Lights (als
unded conductors [3901.8]
OK for halls, stairs & exits _ [3803.3X] access to int stairs if ~6 risers [3803.3] g switched receps [3901.12]92
{404.2A,B}
{210.70A2X}
{210.70A2} {404.14E}
suspended lights or paddle fans <8ft above op or tub or shower threshold [3903.10] {410AD}
{410AD}93 one listed for damp locations [3903.10]93
& branch circuit rating __ [3905.1 ,3]
bove floor & securely fastened [390504 ,5]
o see page 9)
{410.101B}
{410.101,4}
D Insulation & combustiD Recessed light
Recessed light
(non-I
D (non-I
Closet F69 D No open incandescent bulb fixtures [3903.11] {410.8C}
bles contact OK for type IC [3904.8, 9] C rated) 1hin from combustibles [3904.8]
C rated) 3in from insulation_ [3904.9]
D Storage area = 12in or shelf width & to ceiling __ [3903.11]
D Enclosed surface incandescent: 12in clearance _ [3903.11]
D Fluorescent or recessed incandescent: 6in ___ [3903.11]
{410.66A2}
{41 0.66A 1}
{410.66B}
{410.8A}
{410.8D} {410.8D}
11 1 11 (l I) () () () () () () () I) () I) ) ) ) ) ) ) ) ) ) ., ) ) ) 11 11 I')
Too 90" Insert pull Many
4 x 90" point, such Bends = 360" as a conduit
body 90" 90"
Max. 360" in bends of conduit
EMT "Thinwall"
Rain-tight wet location Dry location
o Supports :S6ft apart & within 12in of box [T3702.1] {330.30A,C}
o Anti-short bushings ("redheads") recommended _ [3303.3J {110.3B}
NM Cable
SE Cable MC Cable "1.IiiiIi1lll:.l~
Liquidtight Flex "1.IiiiIi1lll:.l~
Rigid Nonmetallic Cable (PVC)
(~ Schedule 80 Schedule 40
APPLIANCES
General Rules for NM, UF, SE & AC 061RC o Exposed cables closely follow bldg surface or on running
boards (ex: in basement next to load center) __ [3702.3.1 J
o Nail plate req 'd if cable <1 1/4in to face of framing [T3702.1 J94
o Protect within 6ft of att ic access opening [3702.2.1 J o Protect below 7ft in attics w/ stair or pull-down ladder [3702.2.1 J
o Supports :S4 112ft apart & within 1 2in of box [T3702.1 J
o Cable req 's clamp to box EXC [3804.1 J NM cable secured :S8in to single-gang NM box _ [3805.3.2XJ
o Cable clamps per L&L: no chase nipples [3303.3J o Fireblocking caulk at holes in wall plates [602.8J4•
o Cable derated if >2 cables in caulked hole __ [360504o4J95
05 NEC
{3XX.15}* {30004A,D}94
{3XX.23}*
{3XX.23}*
{3XX.30}*
{314.17C} {314.17CX}
{110.3B} in/a}
{334.80}95
• The 2005 NEC uses a parallel numbering system. The articles for various cable types are: AC=320, MC=330, NM=334, 5E=338, UF=340.
Nonmetallic Sheathed Cable (NM) "Romex®" F71 o Normally dry locations only [T370104J D #8/3 or #6/2 OK strung under basement joists __ [370204J o Smaller cables req bored holes or running board __ [370204J
o Protect exposed cables w/ conduit or tubing __ [3702.3.2J 96
o Conduit or tubing OK protection on unfinished basement walls if
{334.10A}
{334.15C} {334.15C}
{334.15B}96
nonmetallic bushing at entry of cable to raceway _ [370204J97 {334.15C}97
o NM never suitable as flexible cord or with plug __ [3303.3J {110.3B}
o Listed bushing or grommet req 'd through steel studs[T3702.1 J {30004.Bl}
o No sharp bends (bend radius min 5x cable diameter) [3702.5J {334.24} o Min 1/4in sheathing into box [3805.3.1 J {314.17C}
Underground Feeder Cable (UF) "Romex®" F70 o Same rules as NM when used as int wiring method [T370104J
o Cable emerging from ground req 's protection from 18in below
grade to 8ft above grade [3703.3J o Min 1/4in sheathing into box [3805.3.1 J
{340.10}
{3005Dl }
{314.17C}
Service Entrance Cable (SE) F72 o As service p.24, as branch see "General" & "NM" rules [T3702.1 J
o Feed to subpanel req 's insulated neutral (SER type) F62 [3507.2J
{338.10}
{338.10B}
Armored Cable (AC) "BX" o Dry locations only ____ _ _______ [T370104]
o Anti-short bushings ("redheads") req 'd [T3702.1] {320040}
Metal Clad (MC) F73
{320.10}
ELECTRICAL Loo·,J"j/·'U·'I",;;I"I" ....... .,;;"&,;;lo,;,,jl •
APPLIANCES
General Rules for NM, UF, SE & AC 061RC 05 NEC o Openings to conduit systems to remain accessible [3805.1 OJ {314.29} D No common plastic boxes with metal raceways __ [3805.3J {314.3}
D No splicing in small conduit bodies [3805.12.3.1 J {314.16C2}
D Max 360" of bends between pull points F75 _ _ [T3702.1 J {3XX.26}*
The 2005 NEC uses a parallel numbering system. The subsection for bends is .26, the raceway articles are: RMC=344, IMC=342, FMC=348, LFMC=350, RNC=352, EMT=35B.
, . )
W
Electrical Metallic Tubing (EMT) "Thinwallo Kinks in pipe not permitted D Not suitable for direct burial w/o corrosion protect
D Supported every 10ft & within 36in of boxes _
D Rain-tight fittings outdoors
[3702.5J ion [T370104J
_ [T3702.1 J
[3805.11 J
D Not to support boxes exc conduit bodies (LBs) __ [380404J
D Max fill :S40% 133 [T3804.6(2)J
{35824}
{358.10B}
{35830}
{358042} {358.12}
{TC.l }
" F78
Flexible Metal Conduit (FMC) "Greenfield" or "Flex" F74 o Dry locations unless drip loop & "W" conductors_[T370104J {348.1 2.1} D Supported every 4112ft & 12in from box EXC _ _ [T3702.1 J {34830}
Where fished or up to 3ft to motorized eqpt ___ [T3702.1] {348.30}
D EGC req 'd exc light whips :S6ft [3808.8J {250.118} D EGC req 'd to motorized eqpt [3808.8.1 J {348.60}
D Angle connectors not concealed [n/aJ {348042}
Liquidtight Flexible Metal Conduit (LFMC) "Sealtight" F75 o Same as flex except OK for wet (or buried when L&L) [T370104J {350.10}
o EGC req'd to motorized eqpt [3808.8.2] {350.60}
Rigid Nonmetallic Conduit (RNC) "PVC" F76 o Schedule 80 OK for protection from physical damage [T370104] {334.15B}
o Not OK to support boxes other than conduit bodies [3806 .8.5] {352.12B}
o Expansion fittings req 'd if seasonal length change> 1/4in [n/aJ {352044}
4ft. min.
Underwater Pool 8in. min. above max.
Lighting water level
General 061RC 05 NEC D Repair wallboard side gaps >1fsin to outlet box FBO _ [3806.6] {314.21}
D Outlet box flush with combustible surface F80 __ [3806.5] {314.20}
D Setback :o;1/4 in from noncombustible surface (drywall) F80 _ [3806.5] {314.20}
D Boxes & conduit openings must remain accessible [3805.10] {314.29}
D Min 6in free conductor in box min 3in past face _ [3306.10.3] {300.14}
: I
Box extender Bad Box (goof ring) Placement
Box setback
too deep " (>1/4in.)
D Box size for conductors, devices & fittings _ T33 [3805.1 2] {314.16}
o 4in (6cu.in) pancake box only OK end of 14/2 run F81 [3805.12] {314.16B}
o 18cu.in box wi device too small for 3 x 12/2 N M cable [3805.12] {314.16B}
Total
Pancake Boxes
4cu.in. 6cu.in.
Pancake boxes are not suitable for most applications because they are too small for wiring connections.
ELECTRICAL FINAL D Repair wallboard side gaps >1/sin to outlet box FBO [3806.6] {314.21}
D Outlet box flush with combustible surface FBO __ [3806.5] {314.20}
D Setback :0;1/4 in from noncombustible surface (drywall) F80 _ [3806.5] {314.20}
D Lighting fixtures must be L&L [3303.3] {local}
o Faceplates installed on all recep outlets [3902.5] {406.5}
o Faceplates installed on all switches [3901.11] {404.9}
o Smoke alarms working & interconnected F24 [313] {310.9.1 B}
SWIMMING POOL ----------------
General 061RC 05 NEC D Service drop above or within 10ft of pool req 's clearance
of 22 {22112} ft in any direction from water _____ [T 4103.5] {T680.8}
o Underground <5ft from pool RMC, IMC, or RNC only[41 03.6] {680.10}
Receptacles o Min 1 recep;:O:l Oft & :O;20ft from pool walls _____ [41 03.1.2] {680.22A3}
o Receps :O;20ft from pool walls GFCI protected ___ [41 03.1.4] {680.22A5}
o Pump motor recep OK ;:O:5ft & :0;1 Oft from pool walls
if twist-lock & GFCI-protected [4103.1.1] {680.22Al }
o If pool less than 10ft from house, recep may be ;:O:5ft from pool [4103.1 .3]98 {680.22A4}
o 15A & 20A receps for pool pump motors req GFCI [4103.1.4]99 {680.22A5}
Lighting Outlets o Outdoor lights min 5ft from pool or ;:O:12ft above_ [41 03.4.1] {680.22Bl }
o GFCI for lights >5ft & <10ft from pool & <5ft above [4103.4.5] {680.22B4}
o Existing fixt OK<5ft if GFCI protected & >5ft above [4103.4.3] {680.22B3} {680.22B2} o Indoors 72ft above water OK if enclosed & GFCI _ [4103.4]
o Pool light grounds unsplice
o Bond together pool shell, metal eqpt. for pumps, pool covers, underwater light forming shell & all metal :O;5ft of pool [4104.2] {680.26B}
o Bonding wire min solid 8AWG Cu [4104.4] {680.26C}
o Feeds to pool subpanels RMC, IMC, RNC, LFNC EXC ______________________ [T 4102.1] {680.25A}
EMT or existing cable within bldg OK [T 4102.1] {680.25AX}
o Branch circuit EGC min 12AWG [4105.2] {680.23F2}
F80o GFCI-protected or low-voltage _______ [4106.4] {680.23A}
o Top of fixt min 18in below water level [4106.4.2] {680.23A5}
o RNC to underwater lights req 's 8AWG insulated bonding conductor [4105.3] {680.23B2}
o Encapsulate bonding conductor on forming shell_ [4105.3] {680.23B2
o Segregate GFCI-protected from non-GFCI ___ [4106.3] {680.23F3}
o Junction box L&L for pool light [4106.9.1] {680.24A1}
o Junction box min 8in above water, 4in above deck [4106 .9.1] {680.24A2}
o Junction box min 4ft from pool edge [4106.9.1] {680.24A2}
o Wet-niche fixture secured to shell wi locking device [4106.5] {680.23B5}
Bonding & Grounding d exc on terminals ____ [4105.2]
Underwater Lighting
HOT TUB/SPA
.,
D Outdoors same rules as swimming pools [4102 .1] o Cord :O;15ft OK for GFCI-protected packaged unit _ [4102.2] {680.42A2}
o Bond all metal within 5ft [41042] {680.26B5}
Indoors o Min 1 recep min 5ft & :0; 1 Oft from spa ________ [41 03.1 .5] {680.43A}
o GFCI-protect all receps:O;l Oft from spa [4103.1.6] {680.43A2}
o No wall switches within 5ft of spa [4103.2] {680.43C}
HYDROMASSAGE TUBS D Eqpt accessible wlo damaging bldg finish _ [2720.1 ,41 09.3] {680.73}
o GF;CI protection req 'd [4109.1] {680.71}
o All receps within 5ft req GFCI protection [4109.1] {680.71}
o Metal piping systems & grounded metal parts in contact wi circulating water bonded with min 8AWG Cu _ [4109.4],00 {680.74}
{680.23F2}
{680.42}
BOXES
Box Fill
00
BUILDING Page 1
1.. -~
2. - ...,
3.
tl ~. soc [), was in 02 parts, D. & D,.
increased from 3ft to 511.
s & openings near PL
4. exists 'or sites ere positive slope for 1011 is not possible.
5. ::rdosec DeaOW-9raDe spaces need not be habitable/usable to req dampproofing.
6. CncIoseo oeoow-grade spaces need not be habitable/usable to req waterproofing.
Page 3 7. This section req's a 1.5 safety factor in design of unrestrained retaining walls.
8. For basement walls to be considered laterally supported:
The floor slab must now restrain basement walls, AN D
The floor system must be connected to the sill with hardware per a new table, AND
The sills must be bolted to the walls per a new table, AND
The floors must be blocked full depth within two joist spaces of the wall , AN D
Aspect ratios of bldgs with unbalanced loads must be within values of a new table.
9. Dampproofing membranes can be approved if made for CMU w/o parging.
10. Reinforcement must be secured in place, not merely thrown into wet concrete.
11. Reduction to 10% of req'd venting if vapor retarder present has been deleted.
12. Conditioned crawl spaces can now be approved for perimeter insulated crawl space.
Page 4 13, Manufacturer's instructions OK for cutting, notching & boring.
Page 5 14. Joints in top plates no longer req over studs.
Page 6 15. HIB-91 replaced by BCSll-03.
16. Manufacturer's instructions are sufficient for alteration of engineered lumber.
17. Rafter ties defined as being in the lower '13 of the roof elevation.
18. The size & number of req 'd rafter ties has been increased.
19. Collar ties defined as being in the upper '13 of the roof elevation.
20. The min size of collar ties is the same as the former rafter tie size.
Page 14 49. The req'd distance past the framing edge is new in the 2006 U PC.
50. The requirement depends on the floor level of the fixt, not the fixt floor.
51. Cleanouts must be the same size as the pipe served in the IRC.
Page 15 52. The height above the roof is specified instead of a blank to be filled in by the AHJ.
53. The specified case of a "vertical leg waste fixture drain" has been deleted.
54. The 2003 U PC did not allow any horiz wet venting.
55. This section clarifies where horiz wet vents are allowed.
Page 17 56. In 2003, only black pipe was exempt.
57. The I RC recognizes separate ANSI standards for indoor & outdoor connectors.
Page 18 58. This change clarifies that hot must be on the left when facing the outlet.
59. The rule for max horiz tailpiece distance is new.
60. The max temperature at a bidet is new in 2006.
61. Openings did not previously have to be larger than 12in x 12in.
62. The max temperature at a tub or hydromassage is new in 2006.
63. The min width of 22in is new to the IRC.
64. This change clarified that the control must be on the individual valve.
MECHANICAL Page 19
65. The U PC now recognizes bed/bath closet installations w/ specified conditions.
66. Seismic bracing of water heaters is new to this chapter of the IRC.
67. The 2003 U PC did not include requirements for attic water heaters.
Page 20 68. The UMC now recognizes bed/bath closet installations w/ specified conditions.
69. The 03 UMC did not contain any specific requirements for attic installations.
70. 50ft distance not allowed in 2003 even if passage 6ft high.
71. Condensing furnaces req a drain pan if leaking condensate would cause damage.
72. Requirement that ducts may not prevent crawl space access is new in 2006 UMC.
Page 7 21. Ext walls have performance requirement to prevent water accumulation.
22. The term water-resistive replaces weather-resistant.
23. Flashing now req'd to extend to ext surface or to water-resistive membrane.
24. Additional ASTM standards referenced in the requirements for stucco.
Page 21 74. Screen requirement is new to the 2006 UMC.
75. Alternate material to galv sheet metal now req 's equivalent strength & rigidity.
Page 22
25. A new performance requirement was added for stucco water-resistive barriers.
26. A water-resistive membrane is req'd behind vinyl siding.
27. A new table is provided for masonry veneer thickness, shear, and tie-down forces.
28. Conditioned attics are now recognized in lieu of ventilated attics.
Page 8 29. This requirement refers to local history rather than climate tables.
Page 9 30. The max threshold height applies to all ext doors, not just req'd exits.
31. Unfinished basements >200sq.1I now req secondary egress even if not habitable.
32. Basements for mechanical eqpt and <200sq.ft are exempt from this new rule.
33. Previous restrictions on green board in tubs/showers only applied to vapor retarders.
34. Cement board is prescribed as tile backer in tub and shower areas.
Page 10 35. All exhaust fans (exc whole house fans) are req'd to extend to the ext.
36. New requirement conforms with CPSC recommendations for window guards.
37. All sidelites within prescribed proximity zone req'd safety glass in the 2003 IRC.
Page 11 38. Previous editions req 'd a point of control at top & bottom of all interior stairs.
39. Including garage stairs as interior stairs is a clarification of the rule.
Page 12 40. Holes for wires must also be caulked (fireblocked) (also on p.28).
41. The requirement for height of chimney fireblocking was deleted-flat sheet metal OK.
42. Firestop penetration systems used when pipes must penetrate firewalls.
43. Detached garages closer than 3ft req protection in the area <3ft from house.
44. Central station fire alarm systems have different standards than house smoke alarms.
45. Jhe exemption for work only on the ext is new.
46. Section clarified to omit areas with <5ft in computing area of req'd space.
PLUMBING Page 13
47. The duration of the test not specified in the 2003 edition.
48. The min size of a shower drain & trap changed from 2in. to 1'12 in.
76. Strike plates now req'd for protection of vents.
Page 23 77. Water-detection devices allowed in lieu of a pan or a pan drain.
78. The 2003 UMC prohibited all unvented space heaters.
79. Booster fans only allowed when specific to the installed dryer.
80. The 2003 IRC did not req the termination to be 3ft from other openings.
ELECTRICAL Page 24
81. The requirement for securing backfed breakers is new to the IRC.
82. Non-sunlight-resistant conductors allowed if protected with a listed covering.
Page 25 83. The IRC now includes this requirement that has long been part of the UL standards.
84. Label ing must be specific-"generallighting" is no longer an accepted label.
85. All breakers have this max height, not just breakers used as switches.
86. Reinforcing steel used in new construction must be part of the grounding system.
Page 26 87. Listed microwave range hoods with cord/plug connections req their own circuit.
88. Diagrams explain when countertops behind a range req a recep.
89. Diagrams explain when countertops behind corner sinks req a recep.
Page 27 90. Receptacles within 6ft of laundry sinks req G FCI protection.
91. "Combination type" AFCls detect more possible arcs than the "branch feeder" type.
92. The IRC prohibits dimmers controlling receptacles. Th is was a 2002 NEC rule.
93. Shower lights req listing for damp or wet locations, depending on shower spray.
Page 28 94. This rule has been expanded to include furring strips.
95. If more than 2 cables pass through a caulked hole, they must be derated.
96. Conduit & tubing are now specified as possible protection methods.
97. This protection method req's a nonmetallic bushing on the protective raceways.
Page 29 98. I RC allows recep @ >5ft & <10ft if space between house & pool is restricted.
99. IRC req's GFCI for all 15A & 20A receps for pool pump motors.
73. The min in the 2003 IRC was R-5.
TOP 100 CODE CHANGES
-------,.~ -- -- -- -- -- -- -- -- -- ---
100. Bonding is only req'd for metal parts when in contact with circulating water.
CODE CHANGES 30
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