Code Check: An Illustrated Guide to Building a Safe House (Code Check) 5th Ed

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: a15A breaker)

GEC = grounding electrode conductor

ABS = acrylonitrile-butadiene-styrene

horiz = horizontal

plastic pipe AMI = in accordance with manufactuer's 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 = fl ood level rim

IMC = intermediate metal conduit

fndn = 'ounaortJo4ft {5ft} D Max lift of continuous pour 5ft {6ft}

Form board, removed after concrete sets

Monolithic Slab with Footings

2 # 4 r ebar or 1 # 5 in 'ddle 113

Min. 6x6-1 Oxl 0 welded wire mesh between center & upper '/3 of slab secured in place during pour

[609.4.1] [609 .1.5.2] [609.1.4]

{21 04.6.1} {2104.6.1} {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}

D

16in high OK in perimeter wall [408.4] Opening must allow removal of eqpt in crawl space [1305 .1.4]

{ca} {UMC}

Ventilation

D D D D

Ext openings req'd under floors exc for basements _ _ [408.1] Vent openings within 3ft {as practical} of each corner _ [408.1] Openings screened or grated {1/4in mesh} [408.2] Min area 1 sq.ft per 150sq.ft underfloor area EXC __ [408.2]" o ventilation req 'd if vapor retarder, insulated walls & space cond oioned or continuous mechanical ventilation _ _ [408.3]12

{2306.7} {2306.7} {2306.7} {2306.7} In/a}

Joists

FLOOR FRAMING ----~--------------

061RC

Girders

o Girder end joints must be over supports _ __ ___ [502.6] o

o o o

Min bearing [1 112in on wood], 3in on concrete [502.6] Joints over supports must be tied [502.9] Max horiz offset under perpendicular bearing walls = depth of joist F7 [502.4] No notching tension side if ~4in thick exc at ends __ [502.S.1]

Bearing-Wall Suppor t Over Perpendicular Girders

97 UBC {2320.7} {2320.7} {2320.7} {2320.S.5} {local}

Double Joists Under Paralle l Bearing Walls

o o o o o o o o o o

W

Bearing walls should not offset more than the joist depth from the supporting girder below the floor.

o o

061RC

Notching & Boring Joists

No notching in middle 1/3, holes OK

Notch max. 1/ 6 depth

...

I

~

~

JOIST SPANS, NOTCHING & BORING

TABLE 5

[T502.3.1(2)] & [502.8.1] & {T23-IV-J-l}

Floor Joist Spans-40Ib. Live Load DF#2

12in.O.C.

16in.O.C.

24in. O.C.

9ft.9in.

SfI. 1in.

[2x6]

10f1.9in.

{2x6}

10f1.9in.

9ft.9in.

Sft.6in.

[2xS]

14ft.2in.

12f1.7in.

10f1.3in.

{2xS}

14ft.2in.

12ft.10in.,

11f1.3in.

[2x10]

17f1.9in.

15f1.5in.

12f1.7in.

{2x10}

1Sft.Oin.

16ft.5in.

14f1.4in.

[2x12]

20ft.7in.

17ft.10in.

14f1.7in.

{2x12}

21ft.11 in.

19ft.11 in .

17ft.5in.

SLABS

eMU

Notching

Boring

End

Outer 1/3

2in. to edge

13/8in .

7/8in.

11/2 in.

17/8in.

1112in.

2 3/8in.

23f8in .

11/2in.

3 1/8in.

27/8in.

17/8in.

3 1/2in.

Notch a end 1/4 of depth max.

-

Holes min. 2in. ; from top, bottom, t or other holes, max size 1/3 depth I

I

[No notching at bottom if

Prefabricated I-Joists

FLOOR FRAMING

97 UBC

Joist spans not to exceed max numbers 'in T5 [502.3] {2320.S.1} Min bearing 11/2in on wood or metal, 3in on concrete _ [502.6] {2320.S.2} Joists into side of girder req hanger or min 2x2 ledger[502.6.2] {2320.S.3} Joist lap min 3in & 3 10d nails [502 .6.1] {2320.S.3} Double joists under parallel bearing walls F6 [502.4] {2320.S.5} Prevent rotation of joists (blocking or hangers at ends) [502.7] {2320.S.3} Blocking at intermediate supports [SOC Do, 0, & O2 ]_[502. 7X] {2320.S.3} Joists >2x 12 blocked or bridged max Sft O.C. ___ [502.7.1] {i1-2316.2} No notches middle 1/3 of span F8 [502.S.1] {2320.S.3} Bored holes min 2in from top or bottom or other notch or hole F8 [502.S.1] {2320.S.3} Install manufactured I-joists AMI F9 [502.1.4] {2320.1} Modification of trusses, I-joists, structural composite lumber, or glue lams [502 .S.2] 13 {2304.4.1} only AMI or per design professional F9

~

Outer 1/ 3

4in. thick, except at ends] Holes outside of shaded rectangles allowed if AMI

Min. 13/4in. end bearing (manu)

4

BUILDING

5 Top Plates

WALL FRAMING Stud Framing

061RC

97UBC

[602.3.1] [602.3.4] End-jointed lumber OK if identified by grade mark _ [602.1.1] Corners req 3 studs min EXC [F602.3(2}] 2 studs OK if approved spacers or backup cleats provided for attaching int surfaces [F602.3(2)]

{2320.11 .1} {2320.11 .2} {2304.2} {2320.11.2}

o Size, spacing, notching & boring per tables T6,Fl 0_ o Studs must fully bear on min 2in nominal sale plate_ o o

{2320.11.2}

o Bearing wal l intersections & corners must overlap _ o End joints must offset 24in {48in} min o Joints need not be over studs

o

061RC

97UBC

[602.3.2] {2320.11.2} [602.3.2] {2320.11.2} [602 .3.2]14 tn/a} 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

~

:~

Notching & Boring Studs

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.

o All ext walls req bracing [602.10] o Let-in 1x4 bracing OK topmost story SOC A, B, C _ [T602.10.1] o Let-in 1x4 OK for second of 3 story in SOC A, B _ _ [T602.10.1] o Structural sheathing acceptable for all braced panels [T602.1 0.1] o Plywood: 5f1 6in min @16 O.C. , 3/sin @24 O.C. __ [602.103] o

Braced wall panels min 48in length, min 3 studs _

{2320.11.3} {2320.11 .3} {2320.11.3} {2320.11.3} {2320.11.3} [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 Bearing

Nonbearing

o o

[602.10.7] {2320.11 .3} Horiz joints in SOC A, B, C {where waived by manu} [602.10. 7X] {2320.11.3} Nail panels to schedule (min 6in edge, 12in field) [T602 .3(1&2)] {T23-II-B-l} Wood structural panels per grade stamp [602 .10.3] {2304.1}

Hold-Downs

o Altemate braced wall panels « 48 in wide) req tie-downs [602.10.6.1] o Min braced wall panel tie-down strength 1,800Ib _ _ [6021 0.1]

o

Tie-down device installed AMI F3

{2320.11.4} {2320.11.4} [602.10.1] {2320.11.4}

Underfloor Support & Cripple Walls

o

o o

Cripple studs no less than size of studs above them _ [602.9] {2320.11.5} Cripple wall 411 sized as if additional story [602.9] {2320.11 .5}

-- - - -

-

-

TABLE 8

-

-

-

-

-

-

-

~-----"

ROOF & CEILING FRAMING

NAILING SCHEDULE [T602.3(1) {T23-II-B-l}

Connection

Nailing 3-8d

Joist to sill or girder, toe nail

2-8d [2-1 3/4in. staples]

1 x6 subfloor or less to each joist, face nail

2-16d

2in. subfloor to joist or girder, blind- & face nail Sole plate to joist or blocking, face nail

16d 1 6in.

a.c.

3-8d or 2-16d {4-8d}

Stud to sole plate, toe nail Double studs, face nail

a.c. 10d 24in. a.c. {16d 16in. a.c.} 3-16d 16in. a.c. 10d {16d} 24in.

Double top plates, face nail Sole plate to joist or blocking at braced wall panels

8-16d

Doubled top plates, face nail of lap splice

3-8d

Blocking between joists or rafters to top plate, toe nail Rim joist to top plate, toe nail

8d 6in.

a.c.

2-10d {2-16d}

Top plates, laps & intersections, face nail Built-up or continuous header

16d 1 6in.

a.c. each edge 3-8d

Ceiling joists to plate, toe nail

4-8d

Continuous header to stud, toe nail Ceiling joists, laps over partitions, face nail

3-10d {3-16d}

Ceiling joists to parallel rafters, face nail

3-10d (3-16d) 2-16d (3-8d)

Rafter to plate, toe nail 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

Built-up girders & beams, 2in. lumber layers-IRC

[802.1004] [802.10.1,3]"

{2320.1 } {2321 A}

including added loads such as HVAC Bracing per drawings or BCSI 1-03

Rafters & Ceiling Joists D Spans per table T9 D Rafter span can be measured from purlin support _ D Purlin dimension no smaller than rafter

D D D D D D D D D D D D D D D

[80204, 5] [802.5.1] [802.5.1] Purlin braces min 2x4 max 45° from vert [802.5.1] Prefabricated wood I-joists AMI (including boring) __ [802. 7.2]'· Notching & boring same as floor joists & girders F8 _ [802.7] Supports 40in wide [1003.3.1] • Min '/4in horiz ties every lBin in height [1003.3.2] • Anchor at each floor/ ceiling >6ft above grade exc when [1003.4] chimney completely in bldg int Termination min 3ft above roof AND 2ft above any part of bldg within 10ft F13 _ _ _ [1003.9] Spark arrester req 'd per BO _ _ _ _ _ __ _ _ _ [local] Spark arrester min 4x area of flue opening [1003.9.1] Spark arrester mesh min 3/ain max 1/2in [1003.9 .1]

4}: {3102.4.3} {3102.4.3} {3102.4.3} {3102.4.3} {3102 .3.6} {3102.3.B} {3102.3 .B} {3102.3.B}

Manufactured Fireplaces & Chimneys

o Must be L&L & installed AMI [1004.1] o Hearth extension per listing & instructions [1004.2] o Decorative shrouds req listing for specific chimney used [1 004.3] o Chimney chase req's fireblocking at attic [602.B] o Termination min 3ft above point passing through roof _ [manu] o Termination min 2ft above any part of bldg within 10ft_ [manu] o

Dirty chimneys are a fire hazard due to the accumulation of combustible creosote. Consult a certified chimney sweep annually for cleaning & inspections.

[manu]

{3102.5.1} {3102.5.1} {3102.5.1} {70B.2.1] {3102.3.6} {3102.3.6} {3102.3.B}

Decorative logset must be installed AMI (damper blocked open) [2432.1] Decorative logs with pilots must have pilot safety __ [2432.2] Log lighters req hard gas pipe [2433.1} Req 'd valve ~6ft of fireplace in same room [2420.5]

{UMC} {UMC} {UMC} {UMC}

Spark arrestor req'd [per BO]

Gas Appliances

o o o

o WALL & ROOF COVERINGS

Hearth extension min 2in {4in} thick

o No combustible material remaining under hearth

{T15-B-1}

Low Slope Roofing

o o o o

061RC

o Footing min 12in thick & 6in beyond all sides _ __ [1003.2] o Hearth min 4in thick [1001 .9.11

o

o Min 24in ice-dam membrane from edge to 24in inside ext wall line o

Masonry Fireplaces

ATTICS

FIREPLACES & CHIMNEYS

8

BUILDING

9

EGRESS

Bed room Wi ndow Egress 061RC

Doors & Landings

o o

o o o

o o o o

97UBC

Door with direct access to ext req 'd (not through garage) [311.4.1] {1005.3.2.3} Min one exit 3ft wide x 6ft 8in high side hinged door _ [311.4.2] {1 005.3.2.1} All doors req keyless operation from int [311.4.4] {1003.3.1 .8} Hallways min 36in wide [311.3] {1004.3.3.2} Floor or landing each side of all ext doors EXC _ _ [311.4.3] {1003.3.1.6} {0} 2 risers OK at ext door that is not req 'd exit _ __ [311.4.3X] Max threshold height at [ext] doors 11/2in {1 in} __ [3 1 1.4.3]'° {1003.3.1.6} Landing can be one riser height below threshold if door does not [311 .4.3X]{ 1003.3.1 .6X} swing over landing (screen door may swing over) _ Landing min 36in deep x width of door [311.4.3]( 1003.3.1 .7X} Exit balconies req positive attachment (lag screws not toe nails) [311.2.1] {2320.13} to resist lateral & vert forces

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 at least 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 .

Bedroom & Basement Egress

o

{310.4} {310.4} {310.4} {310.4} {0}

All sleeping rooms req escape & rescue opening F1 5_ [310.1] [310.1] [310.1.2,3] 5.7sq.ft min clear opening EXC T12 [310.1.1] 5.0sq.ft OK if direct grade level access Tll _ __ [310.1.1 X] Approved int qu ick-release hardware req'd for security bars on escape & rescue openings [310.4] Basements req escape & rescue opening EXC F14 _ [31 0.1]31 Basements ~ 200 sq.ft & only for mechanical eqpt _ [310.1]32 Wi ndow wells min 9sq.ft & 36in min horiz dimension F14 [310.2] Permanent ladder req 'd if >44in below grade F14 _ [310.2.1] Ladder may project 6in into req 'd well space F14 __ [31 0.2X]

o Window sill height max 44in above floor F15 o Min 20in wide & min 24in high AND F15 o o

o o o

{310.4} {310.4} in/a} {310.4} {310.4} {310.4}

Ladder req'd if window well> 44in. below grade

Basement Window Egress (plan view)

3m. min. clearance

"

/'

Sin. max. into req'd clearance

9sq.ft. min.

..---=.... Basement / = = = = =I"";window .....

Gypsum Board

o Install only after rough inspections complete o Install only after bldg is weather-protected o Nailing per schedule T10 o Edges & ends over or perpendicular to framing _ _

97 UBC

[109.4] [701.2] [702.3.5] [702.3 .5]

{108.5.4} {2511 .1} {2511.2} {2511.3}

Greenboard-Water Resistant Gypboard

o Not allowed where subject to direct water exposure (tubs or showers) or high humidity (saunas)

{2512} {2512} {2512} {0} in/a}

[702.3.8.1]33

o OK for adhesive ceramic tile wi no direct water exposure[702.3.8] o Ceiling framing max >12in O.C. for 1i2in green board _ [702.3.8] o Ceiling framing max >16in O.C. for 5/8in green board _ [702.3.8] o Use cement fiber tile backer in tub/shower areas_ [702.4.2]'4 W all & Ceiling Insulation

o o

""'"

L:==:::=:=

061RC

o

Vapor retarder facing conditioned space EXC [318.1] Primarily cooling condition (hot humid climate) _ _ _ [318.1 X] Light fixts in bldg envelope either Type IC airtight, Type IC max 2cfm leakage, or non-IC in airtight box [1102.4.3] Installer to provide certificate for blown-in insulation [1101.4.1]

{707.3X2} in/a}

........

--~

{APDX13} {APDX13}

WINDOWS & SAFETY GLAZING

Safety Glass

061RC Minimum Light & Ventilation D Habitable rooms req openings for natural light min 8 % of floor area {1 0% & min 1Osq.ft }

[303.1]

D Bathrooms {& kitchens} may have artificial light only _ [303.3X] D Bath fan may not discharge into any part of attic _ [1501.1]35 D Habitable rooms req openings for natural ventilation min 4% of

97UBC

{1203.3} {1203.3} {1203.3}

[303.2]

{1203.1}

Tempered glass reqs permanent etched label EXC __ [308.1] Spandrel glass removable paper label OK [308.1 X2] Only 1 lite req's etched label in multi pane window _ _ [308.1]

{2406.2} {2406.2} {0}

50cfm {5 air changes/hour} fan to outside

~ walking surface

{1203.2} {1203.2X} {1203.3}

[303.1] [303.3] [303.3X]

floor area {5% & min 5sq.ft}

D Bathrooms req 11l2sq.ft openings OR

.----------.

1.1 >36in. above

D 2 rooms considered 1 for light & ventilation if opening between them min 50% of common wall & opening ;:-:10% of floor area & min 25sq.ft

Safety Glass Identification

D D

Exterior Windows & Doors

D 3rd-party performance testing & labeling req 'd EXC _ D

[613.4] Decorative glazed openings exempt [613.4X] Openable windows ;:-:4in & w/ >72in drop-off must be min 24in above [613 .2],6 int floor or provided w/ window guard

in/a} in/a}

Hazardous Locations Requiring Safety Glass D Tub/shower enclosure + doors & windows with

D D D

D D D

D

Skylights

lower edge $60in from tub/shower floor [308.4] Glass in doors if 3in sphere could pass through F16 _ [308.4] Glass in sliding or fixed panels of sliding doors _ _ _ [308.4] Sidelites with vert edge of glazing 30in

Stair Profile

'

- Min. height: 36in. single·family . dwelling Max. opening such that a 4in. sphere cannot pass through

Guardrail req'd when deck surface to ground >30in.

, :Min. 3f4in. :Max. 11f4in.

TABLE 13

SPECIAL INSPECTION REPORTS FILL-IN TABLE

5.1. Reports Due before Fina l Inspection Max. radius 9/1sin.

Pilings, drilled piers & caissons

Handrails

o Grippable handrail req'd if 4 or more risers [311.5.6] o Handrail height min 34in max 3Bin F19,20 [311 .5.6.1] o Grips min 11/4in max 2in circular cross section F20 [311.5.6.3] o Min i 1i2in between wall & handrail F20 [311.5 .6.2] o Ends must return to wall or newel post [311 .5.6.2] o Handrail on open side of stairs must not allow 4in sphere

::J

Required

Concrete >2,500 psi

to pass through [312.2] Openi 9S be een treads of open risers 1 ,000 sq.ft (open web trusses) or ceiling suspended from floor framing [502 .12] {70S.3.1.1.1} Draftstop material 112in gypsum or 3/sin panels _ _ [502.12.1] {70S.3.1 .3}

o NFPA 72 fire alarms OK if equivalent to smoke alarms [313.1]44 o Req'd in each sleeping room & adjoining area F24 __ [313.2] o Min 1 detector each story including basements F24 _ [313.2] o Interconnect so activation of one alarm sets off all alarms _ [313.2] o o

o

Compliance req'd for work (>$1 ,OOO) requiring permit EXC[313.2.1] Work on ext (porches, residing, reroofing, etc.) ~ [3 1 3.2.1 X2]45 Power from bldg wiring plus battery backup [313.3] Battery power alone OK for remodel where no finishes removed _ _ _ _ _ _ _ _ _ _ _ [313.2.1 X1]

o o

o o o o

o

Chimney Fire Block

adjoining bedroom {302.4X} {302.4X} {302.2} {709.6.3} {302.4X} {302.4X} {312.4}

HABITABILITY REO'S & FINAL INSPECTION General Requirements

{302.4X}

_I.IiO.IKaO.

2in.

o Bldg address numbers legible from street o Heat req 'd in habitable rooms 6So {700} 3ft above floor o Min one room 2:1 20sq.ft o

o o Coved ceiling

o

/ Fire block must be made of noncombustible material, such as compressed fiberglass or sheet metal.

STAIRS

DECKS

{3109.1.3}

-1.1'--_ Hallway

Min 112in {5/sin} gyp board on garage side of walls common [309.2] to house Min 5/sin gyp board on garage ceiling common to house [309.2] Min 112in {5/sin} gypboard on walls supporting ceilings common to house [309.2] Approved firestop material at penetrations to house [309 .1.2]42 Ducts from house to garage min 26gauge steel _ _ [309.1.1] No duct openings into garage [309.1 .1] No openings between garage & sleeping rooms _ __ [309 .1] Door between house & garage rated 20-minute or 13/sin solid core {& self closing} [309.1]

Coved or Dropped Ceiling

{local} {310.9.1.4} {310.91.4} {310.9.1.4} {310.9.1.2} {local} {310.9.1 .3}

Smoke Alarm Locations

Separation & Protection from Garage

o

In/a}

FIRE PROTECTION

o

o

[321.1] [303.S] [304.1]

{502} {310.11} { 3106.2}

Habitable rooms exc kitchens min 70sq.ft & min dimension 7ft [304.2 , 3] {3 10.6.2 ,3} Sloped ceiling rooms min 50% must be 2: 7ft ceiling & areas 40ft. must be increased one pipe size; UPC vents increase 1 pipe size jf horiz. length

{604.2}

under wo 'ng pressure {15 minutes } O R 'c p ipe [2503.6]47 _ _ _ _ _ [2417.4.1J

TRAPS & ARMS [T3004.1, T3105.1, & T3201.7] & {T7-3 & 10-1}

TABLE 15

Min. Size

DF U

Length

11/2in.

2

6ft. {3ft. 6in.}

Floor drains

2in.

0

Bft. {5ft.}

Laundry tubs

11f2 in.

2

6ft. {3ft. 6 in.}

Bathtubs

Clothes washer

2in.

2

Bft. {5ft.}

Shower

1 1I2in.' 8

2 {3}

Bft. {5ft.}

Bar si nk

11f2 in.

2

6ft. {3ft. 6in.}

Kitchen sink'

l 1f2in.

2

6ft. {3ft. 6in.}

Lav

11/4in.

1

5ft. {2ft . 6in.}

Water closet

3in.

38

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'

Horiz.

Vert.

1/2in.-6ft.· 3/4in.&1 in,-6ft.

lhin.- 6ft. • 3/4in.& 1in.-6ft. :2: 1'/4in. each stol)'

:?:11/4in.-8ft.

[10ft.) (Base & each slory) + mid-story guides [if ~2in.)

~ 1 in.

Screwed

CPVC-3in. - ~ 1 in. CPVC-4ft. PVC & ABS-4ft. 5ft. lenghts- 5ft_ - 1Oft. lengths-10ft. (~18in. of hub) [1 2ft_) [53/4in_-1 Oft. - ~1 in.-12ft_)

[1 5ft.) ('/,in.- 6ft. - 3/4in.&1in.-Sft. - ~ 1 '/4in. each story)

Cu

45° {135°} change _ _ [3005.2.4] Removable fixt trap OK substitute for cle anouts_ [3005.2.1 0] Take off above flow line or at end of line [local] If access limited, extend above floor or ou tside _ _ [3005.2.3] Size same as drain {per table} T17 [3005.2.9]51

{707.9} {707.10} {707.4} {707.5} {0} {707.6} {707.10} {707.11}

Cleanout Exceptions

o Runs 1 hin. from surface]

o Outdoor piping min 3 ' /2in above ground or roof_ _ [2415.7] o Underslab only if run through gas-tight conduit _ _ [2415 .11] o Electrically isolate buried ferrous gas pipes [2410] o Electrically bond internal metal gas pipes [2411.1] o CSST AMI F36, 37 [2414.5.3] o Shutoff ahead of regulators F37 [242004] o Shutoff valve within 6ft of appl & ahead of union _ _ [2420.5] o No unions or bushings in concealed locations _ _ _ [2415.3] o Drip legs at low points if water vapor in gas [2419.2] o LP gas piping per NFPA-58 (see Code Check HVAC)[2414.6.2]

{n/a} {1211.1.6} {1211.14B} {1211 .14A} {1209.5.304}

{1211 .10.1} {121204}

{1211.3.2} {1211.7.1} {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 , 4} {1212.1} {121204}

{n/a} {1212.2B}

RES General

:::J

o o o

o o o o

061RC

06 UPC

Hot on left, cold on right when facin g outlet [2722 .2]5' Potable water air gap of 2 pipe d iameters or min 1 in [2902 .3.1] Individual shutoff req'd for each fixt ure or appl exc tubs & showers (may be at manifold) [2903.9.3] Fixts smooth, impervious & free from concealed fouling areas [2701.1] Joint between fi xtures & walls or floors sealed _ _ _ [2705.1] All fixts (exce pt toilets) req drain strainers [2702.1] Tailpiec e max ve rt distance 24in exc laundry [3201.6] [3201.6]5' Tailpiece max horiz distance from trap 30in

{415.0} {603.3.5} {605.5} {401.1} {407.2} {4041 } {1001.4} {0}

Toilet & Bidet

o 15in min side clear from center, 21 in {24in} at front _ o Centerline of bidet min 15in to rim of adjacent toilet _ o o

o o o

[2705 .1] [2705.1] Flange secure & corrosion-resistant fasteners _ _ _ [27051] Flange flush to finish floor, no fouling area F38_ _ _ [2701.1] Max 1.6 gal. flush water closets req'd [2903.2] Ballcock antisiphon & critical level min 1in above overflow pipe _ __ _ _ _ _ _ _ _ _ _ _ [2902.4.1] Max discharge temp at bidet 110°F

[2721.2]60

Toilet Flanges Above finish floor:

( Ol,.t m" =k

Flush with finished floor correct ~

{407.6} {407.6} {407.3} {407.5} {402.2} {603.42} {nfa}

Beneath floor: concealed fouling

s~'

Tubs

o Access req 'd to waste & overflow if slip joints used, o o

o o

o

min 12inx 12in door F39 [2704.1] Over-rim bath faucet-min air gap 2in [T2902.3.1] Tub hose attachments req vacuum breaker _ [270S.4 , 2902.4] Whirlpool tub motor req 's [min 12inx12in] access [1Sinx1Sin if pump >2 It from opening] [2720.1]61 Whirlpool tub leak testing & pump operation AMI _ _ [2720.3] Max discharge temp 120°F [2713.3]62

Slip Joints & Access

Showers 061RC 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 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

MECHANICAL

23

APPLIANCES General (also see "Connectors;' page 17)

o o

o

FLOOR FURNACES 06 IRC

06UMC

Install AMI [1307.1 , 240S.1] Attach installation instructions to appl _ _ _ [1307.1 , 240S.1] If code & manu differ, more restrictive rule applies __ [240S.1]

{304.1} {304.1} {103.0}

Air Conditioning

o o o o

o o

o o o

Evaporator downstream from furnace heat exchanger _ [1411.2] Working space min 30inx30in [1305.1] Condensate may not drain to public way [1411 .3] Drain pipe [min 3/sin] {AMI & min 1/sin/ft slope} _ _ [1411.3.2] May drain to indirect receptor (lav tailpiece, tub overflow) [local] 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 Overflow/secondary drains to readily observable location [1411.3.1] Outdoor condenser on raised level base [1401.4] Electrical disconnect req 'd in sight of condenser F68 _ [4001.5]

{904S} {305 .0} {310.1} {310.1} {3101} {3102} In /a} {310.2} {11062} {NEC}

Direct Vent Termination

o 0-1 OkBtu/hr min 6in clearance to bldg openings __ [2427.S] o 1Ok-50kBtu/ hr min 9in [2427.S] o >50kBtu/hr min 12in [2427.S] o 12in clearance to ground [2427.S]

{S02.S.3} {S02.S.3} {S02.S.3} {S02.S.3}

General

061RC

06UMC

D May not project into habitable space

o o

o o

_ _ _ _ [2437.5 , 6] {912.11 ,12} {912.7} 6in to ground, 1 2in sides, 1Sin control side [2437.4] Flat-register type min 6in from any wall [2437.2] {912.4B} Not in doorway & 1 2in from door swing or draperies _ [2437.2] {912.4A, C} 1Sin clearance req'd at 2 adjoining sides [2437.2] {912.4B}

EXHAUST SYSTEMS Electric Clothes Dryer Ducts

D L&L ductless (condensing) dryers OK per L&L _ _ [1502.1 X]

o o o o o o o o o

o o

In/a} Closet install req 's make-up air opening min 100sq.in _ _ [n/a] (504.3.2) Flexible connectors from dryer to duct must be listed [1502.4] {504.3.2.1 X} & max Sft {6ft} F59 Connector not concealed in construction F59 _ __ [1502.4] {504.3.2.1 X} Duct smooth metal , no screws in air flow F59 _ __ [1502.5] {504.3.2.1} Duct size of appl outlet {min 4in} [1502.3] {504.3 .2} [Max length 25ft minus 2112ft per each 45° of bend] _ [1502.6] In/a} {Max length 14ft minus 2ft each 90° turn more than 2} _ [n/a] {504.3.2.2} Longer lengths OK w/ specific dryer installed AMI [1502.6X]79 In/a} No mixing with or passage through other systems __ [1502.1] {504.31} End outside in backdraft damper & no screens F59 _ [1502.2] {504.3.1} Min 3ft from other bldg openings [1502.2]80 In/a}

Range/Cooktop

o o o o

Vert clearance to combustibles 30in _ _ _ _ _ _ [1901.1] Reduced clearance OK if L&L & AMI [1901 .1] {24in vert clearance OK w/ sheet metal over millboard} _ [n/a] Horiz clearance per manu [1901 .2]

{916.2B} {916.2B} {916.2B} {916.1A}

Dryer Moisture Exhaust Ducts No screws in airflow ~

Freestanding Room Heaters

o o

o o o o

Secure to floor [1307.2] Clearances AMI {12in if unlisted jacketed type} _ _ [2446.1] Flame safeguard (pilot safety) req 'd [2446.1] Unvented heater may not be sole heat source _ _ _ [2445.2] Unvented heaters max 40kBtu input, 6kBtu in bath, 10kBtu in bedroom & must have adequate combustion air _ [2445.3,4,5] Unvented heater must have oxygen depletion shutoff _ [2445 .6]

{924.1.1X} {local}

Fireplace with Gas Appliance

o

o o o o

o o

{907.2} {907.2} {1312.4} {0} {306.0}

D

{907.2} {907.3}

o

{907.1}

o

[25ft. max. minus 2V2ft. each 45· of bend] {14ft. max. minus 2ft. each 90· bend in excess of 2 bends}

connectors

o o

Closet install req 's [1 OOsq.in] make-up air opening _ [2439.4] Flexible connectors from dryer to duct must be listed & max Sft {or AMI} F59 [2439.5] Connector not concealed in construction F59 _ _ _ [2439.5] Smooth metal inside [min 4in diameter] & no screws in air flow F59 [2439. 5] [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] No mixing with or passage through other systems __ [2439.1] End outside in backdraft damper & no screens F59 _ [2439.3]

(905.3A) {905.4C} {905.4C} {905.4B,C} {manu} {905.4A} {905.2A}

Bathroom Exhaust Fan (also see page 10)

o o

[2436.1] [2436.3] [2436.4] [2436.4] [2407.5] [2436.5]

{92S.1C} {92S.2} {92S.2} In/a} {92S.3} {92S.1A}

Min termination 12ft from base of wall furnace _ _ [2427.6.5] Base plate & firestop spacers per manu [2436.1]

{S02.6.2.2} {92S.1}

o o

o

Must exhaust direct to outside [303.3X,15 0 1.1]35 Opening min 3ft from PL {or bldg openings} [303.5] Openings weather protected {backdraft damper req 'd} [303.5] [1506.1] Duct material approved for application Outside termination req 's 1/4 in- 1I2in mesh screen _ _ [303.5]

{504.1} {504.5} {504.1} {504.1} In/a}

Range Hood Ducts

o

o

Vent (Type BW)

D D

o

o

Clearances & Installation Header height AMI Side & top clearance req 'd to prevent ignition hazards Door swing [min 12in] may not cause hazard Door stops not allowed to provide req 'd clearance _ Room or space must have adequate combustion air _ No ducts attached to wall furnaces

i Itr-

Gas Clothes Dryers & Ducts

Pipe penetration sealed with listed material [2432.1] Decorative log set req 's damper blocked open _ _ _ [2432.1] 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] Decorative log sets w/ pilots or ignitor req pilot safety [2432.2] Unvented log heaters not in factory fireplace unless L&L _ _ _ _ _ _ _ _ _ _ _ [1004.4, 2445.7] Fireplace screen req'd [n/a] Adequate combustion air req 'd if in bedroom or bath [2406.2X2, 2432.3]

WALL FURNACES D D D D D D

o

{304.4} {924.3} {306.0} {9 24.1}18

~ ~

o o

Terminate outdoors {min 3ft from opening or PL} EXC [1503.1] Ductless range hoods OK per L&L [1503.1 X] Must be metal with smooth int EXC [1503.2] [1503.2X] PVC OK for downdraft duct under slab Backdraft damper req 'd [1503.1] Min 100 cfm intermittent or 25 cfm continuous _ _ [1503.3]

{504.5} {304.1} {504.2} {504.2X} {504 .1} (n/a)

----

----

-

-

--

-- -~ ~-

Service Drop Clearances 18ft.

12ft

Clearances above Roof Surfaces F60

SERVICES

D 061RC

05 NEC

D

[3303.3) [3502.1) [3502.1) [3501.2)

{110.2} {230.79C} {230.79D} {230.2}

D D D

Underground depth per tables & utility 129 [3703.1) Underground raceways sealed inside panel _ __ [3501.5) Warning ribbon 12in above buried service conductors [3703.2) Service riser adequately braced & per utility specs _ [3504.5) [3504.5) No unsupported couplings above roof Only service conductors on mast (no CATV or phone)[3504.5) Plumbing pipe or fittings prohibited [3303.3) Clamp conduit within 3ft of service box [T3702.1)

{300.5A} {300.5G} {300.5D3} {230.28} {230.28} {230.28} {110.8} {3XX.30A}*

General D All eqpt shall be [L&L] {approved} _ _ _ _ _ _ 1·FD min 1OOA service All other services min 60A Only 1 service allowed per dwelling

o o o

Service Riser/Lateral

o o o o o o o o

"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

Meters & Service Hardware D Verify meter height, location, fees wI utility

o o o o o o

[utility) Meter base alone not considered service eqpt __ [3501.6.1) L&L "Suitable for Service" or "Suitable Only for Service" [3501 .6.1] 6 handles max to disconnect power at service _ _ [3501 .7] Backfed breakers mechanically secured in place _ [3606.5]81 Neutral bar must be bonded in service eqpt [3507.5] Eqpt working space min 30in wide, 36in deep F61 _ [3305.2)

{utility} {230.66} {230.66} {230.71A} {408.36F} {250.28} {110.26A}

Service Conductors

o o o o o o o o o o o

Utility may have jurisdiction for outside service conductors [local] Service entrance conductor size per table 129 __ [3503.1] Min 18in of conductor at weatherhead [utility] Identify (white tape) insulated neutral at each end _ [3307.1] Drip loop below weatherhead F61 [3505.9.5] Arrange weatherhead & conductors to prevent water entry [3509.6] Exposed wire sunlight resistant or covered _ _ _ [3505.6]82 SE cable secured 12in of service box & every 30in _ [T3702.1] Min rating for 1·FD 100A [3502.1] 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}

o o

10ft min to lowest point bottom of drip loop ___ [3504.2.2] 10ft min above areas accessible only to pedestrians [3504.2.2] 12ft above residential property & driveways _ _ _ [3504.2.2] 1 ~ft above public streets & tractor trailer parking _ [3504.2.2]

HVAC

•

05 NEC

D Clearances from Building Openings F 60 D 3ft below or to sides of doors & openable windows EXC [3504.1]

D D

Not req'd for raceway or enclosed cable Above window per utility Maintain clearance above decks & stairs for 3ft past edge

[F3504.1] [F3504.1)

{230.9A} {230.9A} {230.9AX}

[3504.1 , 2.1]

{230.9A,B}

Clearances around Service Equipment

::::::===;~~~====T=~3ft. min. Keep the property line in mind when spotting a meter location. A future chain·link fence can create a potential hazard.

~___+_

measured - I rom front edge of panel

I

edge

I

l

l~

I I ,

_~Hdrv""'"

I

I I I

I

I

:

Maintain to height of Sft. Sin.

_~

~.

,

J --- ---I..,

Service panel - -:- clearance area - - ---"'=-c'''7,t ___

I

,

-- -- -

~

Meter height is utility's call (44in.-SSin.)

{230.54G} {310.8D}82 {230.51 All {230.42B} {230.42B} {230.3}

Location

Clearances above Ground F60

o o

061RC

{utility} Setback & clearances per utility [utility] {230.24A} 8ft min if slope 250hms, req 's second rod min 6ft apart[350804] {250.56} Detached structures wi >1 branch circuit require G ES [3507.3] {250.32A}

Other 5. Subtotal

Grounding Electrode System (GES)

6. First 1O,OOOVA @ 100%

10,000

7. Balance@40% (subtract line 6 from line 5)

10,000 5ft. max.

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

GEe

Sd. 100% of heat pump nameplate rating plus 65% of supplemental electric heat or central electric heat OR

All available electrodes must be bonded together & a GEC mu st connect them to the service neutral.

Se. Space heaters @ 65% of nameplate rating if " incandescent

Closet Light Clearances

{440.65}

[n/a]

{410AD} {410AD}93

Track Lights

Space Heating

Paddle Fans D Not to be supported by standard electrical boxes _ [3805.9] D Boxes & box systems listed for fan support

{404.2A,B} {210.70A2X} {210.70A2} {404.14E}

Bath D No pendant, track, or suspended lights or paddle fans 200sq.1I now req secondary egress even if not habitable. 32. Basements for mechanical eqpt and