2006 International Plumbing Code -

sib,

A Member of the International Code Familya

NTERNAT 0N AL

$:E;T;L:

2006 International Plumbing Code?

First Printing: January 2006 Second Plintilig: March 2006

ISBN-1 3: 978- 1-58001-259-1 (soft-cover) ISBN- I 0: 1-58001 -259-0 (soft-cover) ISBN- 13: 978- 158001-258-4 (loose-leal) ISBN- 10: 1-58001-258-2 (loose-leaf] ISBN-] 3: 978- 1-58001-307-9 (e-document) ISBN- 10: 1-58001-307-4 (e-document)

COPYRIGHT6 2006 by

INTERNATJOYAL CODE COUNCIL, INC.

ALL RIGHTS RESERVED. This 2006 6zto-1~atioizalPluuzbitzg Codeo is a copyrighted work owncd by the International Code Council, Inc. Without advance wrjtten permission from the copyright owner, no part of this book rliay be rcprocluccd, distributed, or transmitted inany formorby any means, including, without limitation, electronic, opticalor mccha~licalmcans (by way ofexamplc, and not limitation2photocopying, or recording by or in an information storage retrieval system). For information on permission to use, please contact: Publications, 4051 West Flossmoor Road, Country Club Hills, LL 60478-5795. copy rnatcrial cxccecling Pho~lc1-888-LCC-SAFE (432-7233). 'li-ade~narlia:"International Code Council," the "Tnternational Code Council" logo and the "lntcrnational P1~111lblngCodc" arc trademark3 of the Intcmatlonal Code Council. tnc.

PRINTED IN THE U.S.A

PREFACE Introduction Internationally, codc officials recognize the need for a modern, up-to-date plumbing code addressing tlie design and installation of plumbing systctns thnjugh requirements emphasizing performance. The Ir'ten7ationc~lPlr~mbirigCoclele",in this 2006 edition. is designed to meet thcse nccds through ~nodclcodc regulations that safeguard the public health and safcty in all conlmunitics. large and small.. 'l'his comprchensivc plumbing code establishes minimum regulations for plumbing systems using prcscriptive and performancc-relatcd provisions, It is founded on broad-based principles that makc possible the use of new tnatcrials and ncw plumbing dcsigns. This 2006 edition is fully compatible with all the 11itenzci.tioilal code.^'" (I-Codes") published by the 1nternation;ll Codc Buildirzg CodeG),ICC Electriccrl Codecn,Irzter-riutionnl Erzer I . I z IWe~Iiuizir(11 shall conform to the requirements of this code and provisions of thc ICC Elrc.it.ic.cil Codc. Gas-fired water healers shall conFuel Giis Code. form to the requircmcnts of the Ii~tet~r~rrtiorir~l 2006 INTERNATIONAL PLUMBING CODE@

504.1 Antisiphon devices. An approved nicans, such as a cold watcr "dip" tube with a holc at thc lop or a vacuum rclicf valve installed in thc cold water supply line nbovc thc top of the heatcr or tank, shall be provided to prevent siphoning of any storage water heatcr or tank. 501.2 Vacuunl relief valve. Bottom fed watcr hcaters and bottom fed tanks connected to water hcillcrs shall have a ~ ; I ~ U L I I ~ relief talve installed. The vacuum relief valvc shall coi~lply with ANSI 2 2 1.22.

WATER HEATERS

504.3 Shutdown. A rncans for disconnecting an clectric hot water supply systeni from its energy supply shall be provided in accordance with the ICC Electrical Codr. A separate valve sh:11 I bc provided to shut off the energy fuel s~ipplyto all other lypcs of hol water supply syste11is. 504.4 Rclief valvc. All storage water heaters operating above atlilosphcric pressure shall be provided with an approved, sclf-closing (Ic\icred) pressure rclief valve and temperature relicf val\~eor corubinntion thereof. The relief valve shall confor111to ANSI 221.22. The relief valve shall not be used as a means of controlling thcrnlal expansion.

504.4.1 Installation. Such valves shall be installed in the shcll of thc wakr hcatcr tank. Tc~llperaturcrelief valves shall he so locntcd in the tank as to bc actuated by the water c 6 inches (152 nun) of thetank scrvcd. Fnr instailain ~ l i top tions with scparatc storage tanks, thc valves shall be installed on the tank and therc shall not be any type of valvc installed hctwcen the water heatcr and thc stol-age tank. Thcre shall not be a chcck ~ a l v or e shutoff valve betwcen a relief valvc and thc hcatcr or tank served.

504.5 Kelief valve approval. Temperature and pressurc relief valvcs. or conibinntions thereof, and encrgy cutoff devices d and shall have a temshall bcar the labcl of a11a p p ~ o \ ~ cagcncy pcraturc sctting of not more than 210°F (99°C) and a pressure setting not cxcecding the tank 01-watcr heater manufacturer's ratctl worlcing pressure or 150 psi (1035 m a ) : whichevcr is Icss. The relieving capacity of cach pressure relief valve and each tc~npcl.aturerclicf valvc shall equal or cxcecd the lieat input to thc watcr heater 01-storage tank. 504.6 Requirements for discharge piping. The discharge piping scrving a pressure relief valve, temperature relicf valve or combinatin11 thereof shall:

12. Not have valves or tee fittings. 13. Be constructed of those materials lisrcd in Section 605.4 or matc~ialsIcsted. ratcd and ~lpprovedfor such use In accordance with ASMt: A1 12.4.1. 504.7 Required pan. Wherc water heaters or hot water storage tanks are installed in locations whcrc lcakagc of thc tanlis or collnections will cause damage: the tank or water hcnter shall be installed in a galvanized steel pan having a minimwn thicliness of 24 gage, or other pans approved for such use. 504.7.1 Pan size and drain. The pan shall be not less than n ) and shall be of sufficient size and 1.5 inches (38 ~ n ~deep shape to receive all dripping or cvndcnsatc froin tho tank or water heater. The pan shall be drainctl by an intlircct waste pipe having alninilnum diameter of 0.75 inch ( I9 mm). Piping for safety pan drains shall be of thosc materials listcd in Table 605.4. 504.7.2 Pan drain termination. The pan tl~-ainshalL c,xtcnd full-size and terminatc ovcra suitably located indircct waste receptor or noor drain or cxtend to the cxtcrior of thc build) not ing ar~dterminate not less than 6 inches (152 m ~ n and more than 24 inchcs (610 mm) above the ad.jacent ground surfacc. SECTlON 505 INSULATION [El 505.1 Unfired vessel insulation. Unfircd hot watcr storage tanlis shall be insulatcd so that heat loss is li~nitcdto a maximum of 15 British thermal units per hour (Btuih) per square foot (47 W/m2) of cxtcrnal tank SUI-faceal-ca. Fol- plirposes of determining this heat loss. the dcsign ambient tcn1pcrature shall not be higher than 65°F (I 8°C).

1. Not he dircctly connected to thc drainage systcm. 2. Dischargc through an air gap located in the same room as the water hcater. 3. Not he sn~allcrthan the diamcter of the outlct of the valve scrvcd and shall discharge full s i x to the air gap.

1.Sene a single ~cliefdevice and shall not connect topiping scrving any other relief device or equipment.

5. Discharge to the floor, to an indirect waste receptor or to the outdoors. Whcre discharging to the outdoors in arcas subjcct to freezing, discharge piping shall be first piped to an indirect waste receptor through an air gap located in a conditioncd arca. 6. Discharge in a inanner that docs not cause personal injury or stnlctural dasn:~ge.

7. Dischargc to a termination point that is rcadily obse~vable by the building occupants. 8. Not bc trapped. 9. Bc installed so as to flow by gravity

10. Not tcrminatc molc rhan 6 inches ( 1 52 mm) abovc the floor or wavtc rcccptor. 1 1. Not have a threaded connection at the end of such pipislg. 2006 INTERNATIONAL PLUMBING CODE@

+r

I

CHAPTER 6

WATER SUPPLY AND DlSTWlBLlPlOlM SECTION 601 GENERAL 601.1 Scope. This chapter shall govcrn the materials, design and installation of water supply systems, both hot and cold, for utilization in conncctio~lwith human occupancy and habitation and shall govern the installation of individual water supply systems. 601.2 Solar energy utilization. Solar energy systems used for hcating potable wntcr or using an independent medium for hcating potable watcr shall comply with the applicable requircments of this code. The usc of solar energy shall not compromisc the rcquire~nentsfor cross connection or protectiorl of the potablc watcr supply system rcquircd by this codc. 601.3 Existing piping uscd for grounding. Exihtirlg metallic watcr scrvice piping uscd for electrical grounding shall not be replaccd with non~netalllcplpe or tubing until other approved mcans of grounding is provided. 601.4 Tests. The potablc water distribution systcm shall hc tested in accordancc with Scction 3 171.5.

SECTION 602 WATER REQUliRED 602.1 General. Every structure equipped with plu~nhingtisturcs and utilizcd for human occupancy or habitation shall be provided with n potablc supply of watcr in the amounts and ar the pressures specified in this chapter. 602.2 Potable water required. Only potablc water shall bc supplicd to plun~bil~g fixtures that providc watcr for drinking, bathing or culinary purposes, or for the processing of food, medical or phannaceutical products. Unless otherwise provided in this code, potable water shall bc supplied to all plunlbing fixtures. 602.3 Individual water supply. Where a potable public water supl.~lyis not available, iridividual sources of potablc water supply shall bc utilized.

602.3.1 Sources. Depcndcnt on geological and soil conditions and thc amount of rainpall, individual water supplies arc of thc followin? types: clrilled well, driven well, dug well. borcd well. sp1.111g.stream or cistern. Surfacc bodies of water and land cisterns shall not be sources of individual watcr supply unless properly trcatcd by approvcd means to prevcnt contamination. 602.3.2 Minimum quantity. 'l'he combined capacity of the source and storage in an individual watcr supply systcln shall supply tile f i x t ~ ~ rwitli c s watcr at rates rtndprcssures as rccluircd by this chaptcr. 602.3.3 Water quality. Water froln an individual water supply shall I?c approved as potablc by the authority having jurisdiction PI-iorto conncction to the plumbing system. 2006 INTERNATIONAL PLUMBING CODE@

602.3.4 Disinfection of system. After construction or major rcpair. thc individual water supply systcln shall be p ~ ~ r g eofd deleterious matter and disinfected in accordance witli Section 610. 602.3.5 Pumps. Pumps shall bc ratcd for the transport of potable watcr. Pumps in an individual water supplj :y s stcm shall be constructed and installed so as to prevent contamination tiom entering a potable water supply through the pump units. Pumps shall be sealed to the well casing 01.covercd with a water-tight seal. Pun~psshall be designed to maintain a primc and installed such that ready access is provided to the pump parts of the entire asscmbly for repairs. 602.3.5.1 R ~ m penclosure. The pump room or cnclosure around a well pump shall he drained and protcctcd from freezing by heating or othcr approvcd means. Where pumps arc installed in basements, such pumps shall be mounted on a block or shelf not less lhan 18 inches (457 mm) above the basement floor. Wcll pits shall be prohibited.

SECTION 603 WATER SERVICE 603.1 Size of water service pipe. Thc watcr scrvice pipe shall be sized Lo supply water to the structure in thc cluantitics and at the pressures required in this code. Thc rnini~numdia~nctcrof watcr servicc pipe shall be -1, inch (19.1 ~ilm).

603.2 Separation of water service and building sewer. Water service pipe and the building sewer shall be scparatcd by 5 fcct (1524 mm) of undisturbed or cornpactetl earth. Exceptions:

1. The rcquircd scparation distance shall not apply where the bottom of the water service pipc within 5 feet 11524 m ~ n )of the sewer is a r n i ~ ~ i m ~of l r o17 inches (305 mm) above the top of the highest point of the sewer and the pipe materials conforn~lo Tablc I( 702.3. 2. Water service pipe is pcr~nittedto be localed in thc same trcnch with a building scwer, providcd such scwer is constr~~cted of materials listcd in Tablc 702.2. 3. Thc required scparation distance shall not apply where a watcr service pipc crosscs a sewer pipe, provided the water service pipe is sleeved to at lcast 5 feet ( I 524 mm) horizontally fro111the scwcr pipc centcrlinc on both sides of such crossing with pipe matcl.ials listcd in Tablc 405.3, 702.2 or 702.3. 6032.1 Water service near sources of pollution. Poiablc watcr service pipcs shall not be located in, undcr or abovc cesspools, scptic tanks, scptic tank drainagc ficlds or seepage pits (secSection 605.1 for soil and grou~ldwatcrconditions). 37

WATER SUPPLY AND DISTRIBUTION

SECTION 604 DESIGN OF BUILDING WATER DISTRIBUTION SYSTEM

604.4 Maxinlu~nflow and water consumption. l'hc maxiconsumption flow rates and quantities for all plumbing fixture!: and fixture fitti~igsshall be in acco~.dance with Table 604.4. I I ~ L ~ water II~

604.1 General. The design of the water distributio~isysten~ shall conform to acccpted engineering practice. Mcthods ntilized to dctcnnlnc pipc sizcs shall be approved.

Exceptions: 1. Blowout dcsign water closcts hav~nga ~ ~ ~ ; l x i m u6r n water consumption of 3.5 gallons (13 L) per flu5hing cycle.

604.2 System interconnection. At thc points of interconnection between the hot and cold water supply piping systems and the individual fixtures, appliances or devices, provisions shall be matlc to prcvcnt tlow betwccn sac11 piping systems. 604.3 Water distribution system design criteria. The water distribution system shall be designed, and pipe sizes shall bc selectcd such that under conditions of peak demand, the capacities at the fixturc supply pipe outlets shall not be lcss than shown in Table 604.3. The minimum flow rate and flow pressure providcd to fixtures and applia~lccsnot listed in Table 604.3 shall be in accordance with the manufacturer's installation instnlctions.

1

FIXTURE SUPPLY

OUTLET SERVING

.-.

1

-

~

OR FIXTURE FITTING

-

. .. . .- -

-

FLOW

-

-PLUMBING - . .. .--.-- ... I

-- . -~.

1-' ~ a v_a t o_-rpubl~c, ~, (met~.rjr~g)

pRESSsEjpi)+

(gpm)

r-~I

TABLE 604.4 MAXIMUM FLOW RATES AND CONSUMPTION FOR PLUMBING FIXTURES AND FIXTURE FITTINGS --

i-~

-

FLOW RATEa

5. Emergency showers

~ a v a t o rprivate ~ , ----

TABLE 604.3 WATER DISTRIBUTION SYSTEM DESIGN CRITERIA REQUIRED CAPACITY AT FIXTURE SUPPLY PIPE OUTLETS - - --- --- -

1

2. Vegetable sprays. 3. Clinical sinks having a maximum water consumption of 4.5 gdllons (17 L) per flushing cyclc. 4. Service sinks.

-

-

-

--

d"

-

.

I

.

.

..

Water clohct

- - .- .

~! 1

1

,

tI .

!

I

.

-

1~

~

~

0.5 gprn at 60 psi

i

.

-

-

i

-

-

~~

-

~-_/

! s i n k faucet

4

--

I

~ i l v r i o rpublic ~, (other than nletering) I Shol\~cr he -

7 2 gpn~at 60-psi -.. .z. _ . 14 0 25 galion p c ~metcnng cqcle

1

.

-

''

i:- gpm at 60 psi .

9

4 1

"t-"!'."i~

?.P ' ~!I.

i

-

-

~

i - 1I

~1 ~:

I I R e l l r pcxfl~lshin~cycle 1.6 gallons per flushing cyclc 1 --- ,-~ ~-

.

..

-~

~

.~

~~

~-

-

-

1 gallon = 3.785 I.; 1 gallon per minute = 3.785 Lim, 1 pound per squat-e inch = 6.805 kPa. a. ;Zhardheld shn\ver spruy is a showcr head. b. C o n s u ~ n p t i civlrrances ~~~ shall hc determined from ~.ckrencedstnndn~'ds.

For SI:

Ishowel., temperature controlletl-~!

Ii Slllcc)~k, : hoscbi@ -

-

-

-

-

~

i~Tnk,residential . -

~~

[ S i i , hcrvicc Urinal. valve ~

~

-~

I

i - - - --

-

-

~

( ~ a t cciosct. r. blow out, I flusholneter valve. _ . .

'-5

.

-

I

,.

-~ - . _ . ~ . ~

-

closet, siphonie. !usll?meler~valve--

!I

1 Water

/

~~~

-

I

I.~ I i

l l L _ .._) I

1

1 /water closet, - . Ilucl~on~cte~~ rank J -

.

! ~-. -

35

-. - . - -'

I.(,

25

-

I

,!.-

--

-.

I

i

25

I

1 -1

---

15

-!

-~~--

--

--(

For SI: I pound pcr squal'c inch = 6.895 kRt. 1 gallon per rnir~clte= -7.785 I,!m. Foradtlitioll:~l~~cquirerncr~tsfo~~llowratcs nlldqu:~ntiLiuh.see Sedion 604.4.

21.

I

!

15 - - ~

604.5 Size of fixture supply. The minimum size of a fixture supply pipc shall he as shown in Tablc 604.5. Thc fixturc supply pipe shall not tennillate more than 30 inches (762 nun) fro111 the point of co~inectionto the fixture. A reduced-size flexible water conncctor installed b e ~ w e e 1hc ~ i supply pipe and the fixture shall be of an approved type. The supply pipc shall extend to the floor or wall adjacent to the fixture. The minimum size of individual distribution lines utilized in griddcd or parnl- B lel water distribution systems sllall beas shown in Table 604.5. 604.6 Variable street pressures. Wherc strecl water main pressures fluctuate, thc huilding watcr distribution systcm sl~all be designed fbr the minimum pressure availablc. 604.7 Inadequate water pressure. Wherever water prcssurc tiorn the strect main or other source of supply is insufficient to providc fiow pi-essures at tixturc outlels as required under Tablc 604.3, a water pressure booster systc~nconforming Lo Section 606.5 shall be installed on thc building watcr xupply system.

2006 INTERNATIONAL PLUMBING CODE@

WATER SUPPLY AND DISTRIBUTION

TABLE 604.5 MINIMUM SIZES OF FIXTURE WATER SUPPLY PIPES -

I

-

-'-

>lilMUM FIXTURE

-

I

-

i~alhluhs" (60" x 32" and smaller) L -~ -

-

- -

-

-

- -

/

-

- -

.~+. .

-

~

. -

-

~

I Hose . hibbs .. ' I

,

!Kitchen sink" .. . . .

..

-

..

i

--

-

1

single head". ('Showcr, . ._ -

-

(~Inks. flushing rim -

-

I

!sinks, I . service

-

.

. . .-

)

,

.-A

-

ii

I I?

+I

~

water hammer. A water-hammer arrestor shall be inslalletl where quick-closing valves are utilized. Water-hani~mcr arrestors shall be installed in accordance with the manufacturer's specifications. Water-hammer arrestors shall conform to ASSE 1010.

604.10 Gridded and parallel water distribution system I manifolds. Hot water and cold watcr mnnifoltis installed with gridded or parallel connccted individual distribution lines to I each fixture or fixture fitting shall be designetl in accordancc with Sections 604.10.1 through 604.10.3. 604.10.1 Manifold sizing. Hot water and colt1 water manifold!, ,\hall be sized in accordancc w ~ t hTable 604.10. I . The total gallons per 111inuteis the demand of all outlets supplied.

1

I

!Laundry 1 . . ? 1. 2 or 3 compartments"

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-

I

~--]

~=

4

~-

'

I

I .L

!+

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4

i

-

~~

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I1 Drink~ngfountain

-

+

~

-

.

--

.-

, !combination . sink ~ ~ and . tray

- -

-

'I2 . _ _

i

I

iBathtobs"ilargcr-than 60" x 32") /Bide( 1

PIPE SITE

~nch)

- -

-

I

z

~

.-

.

i~-

---.

TABLE 604.10.1 MANIFOLD SIZING

I

- .

-

- I2 1

-

i

-.-

{

.; I

-_..

I~rinal,flush tank

I

I

1 Watcl closcc. tlu\h tdnk 1 Wlrte~closet. tlu\h valve

,

-

-

-

I ~ a t e closet. r Ilurhomcte~~ tank . .

-

_

-

I

-_I- I

-

_

--

-

-

.

1

~. ~-i

- - Ii

'4 1-

-

- ._

3/8 ~

I

.-

!I? ~--.

,

1

:

.----.

1

For ST:

1 inch = 25.4 mm, I foot = 304.8 mm, I pound per squme inch = h.S')SliPa. a. Where rlie dc\,elopcd lcrlyth of Ihe distributiv~~ line is 60feec or less, and the available prcssurc at hi: metel is a minimum of 35 psi, the mininru~nsize of an irulividual distribution iinc supplied iron1 u ~nn~~ifold 2nd irlst3lled as pi111 of a parallel waterdislribution system shall be one nc~minaltube size smallel. than Ihr s i x e s indicated.

604.8 Water-pressure reducing valve or regulator. Where water pressure within a building exceeds 80 psi (552 kPa) static. an approved watcr-pressurc reducing valve confornling to ASSE 1003 with strainer shall be installed to reducc thc pressure in thc building water distribution piping to 80 psi (551 kPa) static or Icss. Esception: Service lines to sill cocks and o ~ ~ t s i dhydrants, e and main supply riscrs whcre prcssure fro111 the mains is reduced to 80 psi (552 kPa) or less at individual fixtures. 604.8.1 Valve design. Thc pressure-rcducing valve shall be dcsignetl to remain opcn to permit uninterrupted water flow in case of valvc ftiilure. 604.8.2 Kcpair and rcmoval. All water-prcssure reducing valvcs, regulators and strainers shall be so constructed and installcd as to pernlit repair or removal of parts without breaking a pipeline or rcmoving the valve a l ~ dstrainer from the pipeline. 604.Water harnmer. Thc flow velocity of thc water distribution system shall bc controlled to reduce the possibility of' 2006 INTERNATIONAL PLUMBING CODE@

For SI:

1 inch = 25.4 Inm, 1 g:~llnr~ per lninule = 3.785 I.hn, 1 fool per second = 0.305 n~is.

604.10.2 Valves. Individual fixture shutoff valvcs installed at tllc manifold sllall be idenrilicd as tothc fixturc bcing supplied. 604.10.3 Access. Access shall bc provided to manifolds 604.11 Individual pressure balancing in-line vdves lfur il~dividuillfixture fittings. Wherc inttividual prcssure balancing in-linc valvcs for individual fiuturc fittings arc installcd, such valves shall comply with ASSE 1066. Such valves shall be installed in an accessible location aud shall not bc utilizcd alonc as a substitute for the balanccd pressure, thcr~nostaticor combination shower valvcs required in Section 424.3.

SECTION 605 MATERIALS, JOINTS AND CONNECTIONS

605.1 Soil and grountP water. The installation o r a water scrvice or water distribution pipc shall bc prohibited in soil and ground water contaminated with solvents. filels, organic compounds or other detrimental materials causing pcrmcation, corrosion, degradation or structural Failure of thc piping ~na~crial. Whcre detrimental conditions are suspected, a chemical analysis of the soil and ground water conditions shall bc rcquircd to ascertain thc acceptability of the wakr scrvice or watcr clistribution piping material for the specific installation. Whci-ecletrimental conditions cxist. approved alternative materials or routing shall bc required. 605.2 Lead content of water s ~ ~ p ppipe l y and fittings. Pipe and pipe fittings. including valves and fauccth, utili~cdin thc

WATER SUPPLY

AND

DISTRIBUTION

water supply system shall have a 11iaximumof 8-percent l a d content.

605.3 Cl'atcr service pipe. Water servicc pipe shall corlform to NSF 61 and shall conform to one of tlie standards listed in Table 605.3. All watcr service pipe or tubing. installed underground and outside of the structure, shall have a m i ~ ~ i m u m working pressure rating of 160 psi (I 100 kPa) at 73.4"F (23°C). Whcre the water pressure exceeds 160 psi (1 100 Wa), piping material shall haven minimum rated working prcssure equal to the highcst available pressure. Water service piping materials IIOLthird-party certified for water distribution shall terminate at or before the full open valve located at the entrance to the structure. All ductile iron water service piping shall be cement l o r tar li~lcclin accordance with AWWA C 104.

respective pipe standards or one of the standards listed in Table 605.5. All pipe fittings utilized in water supply systems shall also co~iformto NSF 61. The fittings shall not have ledges. shoulders or reductions capahlc of retarding or obstructing flow in the piping. D ~ c t i l cand gray iron pipe fittings shall bc cement mortar lined in accordance with AWWA C 104. 605.5.1 Mechanically formed tee fittings. Mcchanically extracted ontlcts shall have a height not less than threc tirr~es the thickness of the branch tube wall. 605.5.1.1 Full flow assurance. Branch tubcs shall not restrict the flow in the run tube. Adimpleldepth stop shall be Cormed in the branch tube to ensure that penetration ct For inspection purinto the collar is of the c o ~ ~ edepth. poses, a second dimple shall be placed 0.25 inch (6.4 mm) above rhe first dimple. Di~nplcsshall bc aligned with the tube run.

605.3.1 Dual check-valve-type backflow prcventer. Whcre a dual check-valve backflow prcvcntcris installedon tlie water supply system. it shall cornply with ASSE 1024 or CSA B64.G.

I -

605.5.1.2 Brazed joints. Mechanically formcd tee tittings shall be brazed in accol.dance with Section 605.14.1.

605.4 Mratcrdish-ihutian pipe. Water distribution pipe shall conform to h'SF 6 1 and sliall conform to one of the standards listed in Table 605.4. .411 hot water distribution pipe and tubing shall havc a minimum prcssure I-ating of 100 psi (690 M a ) at 180°F (82°C).

605.6 Flexible water canncctors. Flexible water connectors exposed to continuous pressure shall conforni to ASME A1 12.18.6. Access shall be provided to all flexiblc watcr connectors.

605.5 Fittings. Pipc fittings shall be approvcd For installation with the piping material installed and shall conform to the

.

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.~

---

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~.

TABLE 605.3 WATER SERVICE PIPE~-..

~-

-~

~

M'CERIAL-~... _

.~

-

l ~ ~ r ~ l o n ~but;@ienc t r i l c styrene (ABS) plastic pip^ -

- ~ -

ji\sbcs(os-celnenl l ~ i ~ t l ~

~~

-

-

~

-

~~

--

~

--

--

-- -

-

L

-

iIASTM

.

~-~~

~

~

D 1527:ASTM

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I

I

--

1

-

BI"~pipc

~- - -

~

.~-

-

- - ~

-

~

~

;ASTM B 43

~

-

-

~

-

-

-

~

-

DucliJe;roil ~~Q!:LP~I'~.

-

-

-

-

~

~

~-~

---. ---

~~~~

--

W A. C IS IX ; ,' A. W --

~ -~ 4-(. : 1--1 5

53 -J 'ASTM-A .~~

-.

IASTM -?GTM

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.

-

~

~

-

-

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-

---

40

~

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.

.--

-

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-

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.

.

.

. ~-~

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.

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-

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~.

.--

-

.

.

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--

I

.

I

I

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'ii~ir*;3 I 2 ASrM A 778 _

1

.~. .

-

~

1I

.

-

~

~

--

- - - -

~

~

,

I

,

~

~

'ASTM D 1755. 1XSTM D '241. -. -2ASTM.D 2672 2.CSA _ . B137.3 i ASTM A 312; ASTM A 778 .-

-~

~-

.

~

D 2662; ASTM D 2666; ASTM D 3.709; CSA B 137.YM D 2239: CSA R 137.1 - - ~ ~

~

.

-

S t ~ j n l c s ~ s tpill? e ~ l (Typc~3i6/31kL)

~--

~

Polj,vinyl chloride . . (PVCj plastic . pipc.-Sb~inlchsstecl pips (Typc 3041104L) -

~

~~-..

~~

~

~

~-

Pol~~!!!~lcne ( ! ? E i _ y l + ~ ~ i ~ n ~ .~ ~ n.e ._ . - . - - - .!AX:!02737: C_SA8EL! . Poly~thyl~~l~alyminunlip~le!I~y1~n~~~P~-AL-PE~pILp~ _ IASTM F 1282; CSA B 137.9 ~ - . Polypropylene (PI-').plaslic pipe o r-tubing . -- L I ASTM . F2 "489. :1 CSA B137.1 I -

i

~~ ~

~

ASTM F 1281. CSA B137.10h4

- ~ - -~

Polycthyleile . -~. . -~ (PE) . -plastic ~ pipe ..

~ .

-

.- .

.

sipc . . Polyhutylctic iP6) plastic pip?-and L~~binf _ ~- ~ - . ~ ~

-

!

~~~~

~

~~-.-

-

- .

.

--

IAS'I'M F 876; ASTM F 877; CSA B--. 137.5

.-

-

-

~~-~

/ASTM B 75; ASTM B 88: ASTM B 251; ASTM B 447

~

ICro\\-l~nksdp o l y c t h y l r n c / n l i ~ ~ n ~ n ~ ~ d c r o ~polycthllc~ie \-11nM ; (PEX-AL-PEX)plpe - -- -

- -

~-

~

i

/ --! B 42. ASTM 'ASTM L.-. -.B 302 . -

~

iCro~>~-li!lkcd polycthylcne ~. ~. -. (PEX) ~.~ plastic tubilrg

~-

~~

~~-

tubing (Type K, WK, L, WL. M or WM) or copper-alloy . . I (Copper

~

~

~ASTMD 2846; ASTM F 441 : ASTM F 412; CSA £3-137.6 ~ ~.

-

~

~-

~~~

I.

polyvinvl chloride (CPVC) plastic pipe I C:hlorinatcd ~- !Copper , .or copper-alloy _ _pipe .-. _ . -_ ~.

I

~-

.

. ..

-

.

~

~

-

~~

4,

i

2006 INTERNATIONAL PLUMBING CODE@

. ~

~

WATER SUPPLY AND DlSTRlBUTlON

-

. . .

................

TABLE 605.4 WATER - - DISTRIBUTION PIPE

.

..

. .

.

,

!Br.CISS . . pipe. .

.

_~

.

. -_

. . . . . . .

.

.

pol)rinyl . . chloride (CPVC) plastic pipe and tubing Chloiinried . . ~ - ~. . . . . . --.. !Copper or coppel--alloy pipe ............... ...

,

~

-

~

~

-

.

.

i

.

.

. . .

I ICross-linkcd . polyethylene . (PEX) plastic. tubing -

..

~-

~

-.

IASTM ! ASTM ~

F 877; CSA B 137.5 ~

,.

~

.

-

.

.

.

.

.

.

-

-

Stilinlcss stcel pipe -(Type 3(14/304L)- . ............. ........

-

~-

-

i .!

.

-~

. . . . . .

--

--

-~ -

i

.....

-

.

F 1287

..

...

.---

I

. -I

. . . . . . .

-

Stainless - .......... s~cel-pipe. (Typc .. - 3 161316L)

I

.

.

~-~~--1-/ASTMF~~~~;CSABI~~.II

-~

.

---

I

i

1 1ASTM D 7309. CSA B137.SM

-

Polypropylene (PP) plastic pipe . or tubing .

~~-

.-..-~..~

...........

, i ASTM A 53

.. .

Polyctl1ylencIAluminu1nIPc~1yethylcne (PE-AL-PE) composite pipe-- i~~~~ - .---. .

~-

~

Galvanired steel pipe . . . . . . . . . . . _ . _ - . - .... -~ Polyhutylene (PB) plastic pipe and tubing ..

-~

~~

1IASTM F 1986

/cross-linked polyellrylene/alu~ni~~~~m/l~igl~-density polyethylene (PCX-AL-HDPE) . -

-~

~

~ASTMF 1281; CSA B137.10M ....

-

~~

-~ - -

B 75; ASTM B 88; ASTM B 251; .......

+

-

/Cross-linked polyetIryle11e/alu1ninu1~1/cross-linkcd polyethylene 1I-. (PEX-AL-PEX) pipe ............. ...... ...... ..

I

-.

..

42: ASTM --i ASTM .- - - --

-

.

...-- .

.

lCopper or copper-alloy .. tubing (Type K, WK, L, WL, M or WM) .

j

......................

D 2846; ASTM F 441: ASTM F442; CSA B 137.0.......... --

-

-

.........................

--

STANDARD

....

-.

I

! ASTM- B 43--

--

.........

-

........

-

.

-1

MATERIAL

-

.....

.-

~~. - --

.~

~

- -

~

~

IN

ASTM A 31 2 LASTM.A 778 - --

ASTM A 312: ASTM A 778 L

.

TABLE 605.5 PIPE FITTINGS

butadi~nc . . . . .styrene . (ABS) plastic -. 11 Acrylonitrile .- . .- -. -

/ ASTM D 2468

--

.

-~~

C h l o ~ ~ n a ~polyvinyl etl chlorldc ICPVC) p l a s h ~

-

-

-

F

1ASTM - 437, -- ASTM -- -

-

--

. .

F 438, - ASTM F 439, CSA B 137.6

I

C o p p c ~or coppcr alloy I

'~ASTMF 1986

(Cross-linked polyethylenc/al~~mi~~~~nlhigl~-density polycthylene ! (PEX-AL-HDPE)

I

iASTR/I F 877; ASTM F 1807: ASTM F 1960; ASTM F 2080: j ASTM F 2159: cs.4 B 137.5 -......................

Fittings Sor cross-linlcrd polyethylene (PEX) plastic tubing I

.............................

GI-nyiron and ductilc iron .......... .~

. . . . . . .

~

h4allenblc il-on

. . . . . . . . .

...

-

-

-

..

4'ASME B16.3

. . . .

. .

!AWWA C J10: AWWA ~153 . - ... .- ... ....................

..-$

. .. .........

..

,

-

.- .

--

~

1 Metal (brass) insert fiuings for Polycthylcnc/AIurninu~i~/Polyctlrylcne (PE-AL-PE) and C~.oss-linked ASTM F 1971 I Polyethylcnc/Alun~i~~u~~i/Polyethylenc (PEX-AL-PEX) ............... - . ................... . . . . . L. --

7 I 1

....................

I

.

~

~~

1

~

I 1 :

I

..

. . . .

Pol~~lltylcnc(PB2 plastic +~- ~ o l y c t l i y l (PE) ~ ~ n c plas~ic ....................... I! ~ o l y ~ r o p ~ l(PP) e n cplastic .

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.-

.

-

.

-

.

-

~

__

1

-

~-

-

....................

- . .-

I

. ~.-.-

pipe ortubing

.

.

.

CSA R 137.1~1 +[ASTM- F 2389; -

. .

-

...

steel (Type 3 1613 16L) 11 Stninlcss . . . . . . . . . . . . . . . . . . . . . . . . . . .

2006 INTERNATIONAL PLUMBING CODE'

-

- ~-

--

...

.

.

- -

I

; ASTM B 137.1 .. -D 2600; CSA ..........

-~

..........

I steel (Type 3041304L) r F~ainless . ..............

-

........

I

IPolyvinyl chloridc (PVC) plas~ic ......................... -

.

CSA B137.8 .

.....

'ASTM .. D 2464. . ASTM D 2366: ASTM ............. D2

..-l~ .

. . . . . . . . . . . . .

-. . . . . .

I

....

.

.

.- .

-

~1

--

. .

-

-

ASTM A 3 1 1.ASTM A 778 .

:

~

L

I

........................

-

.

---

.

-

.

-~

-~

.~ -

~

.

~

Ii

WATER SUPPLY AND DISTRIBUTION

605.7 \7aTalvt.s. All valves shall be of an approvcd type and co111patihle with the typc of piping material installed in the systcm. Ball v a l ~ ~ cgate s , valves, globe valvcs and plug valves intended to supply drinking water shall meet the requirements of NSF 61. 605.8 Manufactured pipe nipples. Manufactured pipe nipples shall conform to one of the standards listed in Table 605.8.

-

I

--

TABLE 605.8 MANUFACTURED PIPE NIPPLES -. -- --

--

-

MATERL*L

--- -

-

I

605.12.3 Threaded joints. Thrcads shall confolm to ASME B1.20.1. Pipe-joint compound or tape \hall bc applied on the male threads only. 605.12.4 Welded joints. All joint surfaces shall bc clcancd. The joint shall be welclcd with an approved filler mctal. 605.13 Gray iron and ductile iro~~,joints. Joints for gray and ductile iron pipe and fittings shall comply with AWWA C1 1 1 and shall be installed in accorclancc with the manufacturer's installation instructions.

I

605.14 Copper pipe. Joints between copper or copper-alloy pipe or fittings shall comply wit11 Sections 605.14.1 through 605.14.5.

605.9 Prohibited joints and connections. The following types of joints and con~lcctionsshall be prohibited:

605.14.1 Brazed joints. All joint surfaces shall be clcancd. An approved flux shall be applied where recluirccl. Thejoint shall be brazed with a filler metal conforming to AW S A5.K.

-

-

Bras,

I

-

-

-

.coppel-, chromrum-plated - - -

-

(Stcrl

-

-

_

--

STANDARD_---

-

ASTM B 687-

---1LGICIA?3i -L-_-

-j -

-_-_I

1. Cemenr or concrete joints 2. Joints ~ n a d cwith fittings not approvcd For the specific installation. 3. Solvent-ccnicnt joints bctwcen differcnl types of plastic pipc. 4. Saddle-type fittings.

605.10 ABS plastic. Joints bctween ABS plastic pipe or fittings shall comply with Scctions 605.10.1 through 605.10.3. 605.10.1 Mechanical joints. Mechanical joints on water pipes shall bc madc with all elastomeric seal conforming to ASTM D 7 139. Mechanical joints shall only be installetl in underground systems, unless otherwise approvcd. Joinls shall hc installed only in accordance with the manufacturer's instructions. 605.10.2 Solvent cementing. Joint surfaccs shall be clean and frce from ~noisturc.Solvent cement that c,onfornls to ASTXj D 2125 shall be applicd to all joint surfaces. The joint shall he made whilc the cement is wet. Joints shall be made in accordance with ASTM D 2235. Solvent-cement joints shall be pcrniittcd above or below ground. 605.10.3 'Threaded joints. Threads shall conform to ASME R 1.20.1. Schedule 80 or heavier pipe shall bc permitted to be threaded with dies specifically designed for plastic pipe. Approved thread lubricant or tapc shall be applied on the male threads only. 605.11 Aslaestos-cement. Joints bctween asbestos-cement c a slcevc coupling of the same pipc or fittings shall be ~ n a d with composition 3s the pipe, scaled with an elasto11ie1-icring confon~iinpto ASTM D 1869. 605.12 Brass. Joints bctwcen brass pipe or fittings shall comply with Scctions 605.12.1 through 605.12.4. 605.12.1 Brazed.joints.All joint surfaces shall be cleaned. An approved flux shall he applied where required. The joint shall be brazed with afillermctal conforming to AWS A5.S. 605.12.2 Mechanical joints. Mechanical joints shall be installcd in accordance wit11 Lhc manufacturer's inst~uctions.

605.14.2 Mechanical joints. Mechanical joints shall he installed in accordance with thc manufacturer's instructions. 605.14.3 Soldered joints. Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tubc ends shall be reamed to the full inside diilmcter of thc tubc end. All joint surfaces shall be clcancd. A flux col~forrriing to ASTMB 813 shall be applicd. The joint shall be soldcrcd with a solder conforming to ASTM B 32. The joining of watcr supply piping shall be made with lend-free solder and fluxcs. "Lead free" shall mean a chcmical colnposition cclua1 to or lcss than 0.2-perccnt Icacl. 605.14.4 Threaded joints. Thrcads shall confo~-mto ASME B1.20.1. Pipe-joint compound or tape shall be appliecl on the male threads only. 605.14.5 Welded joints. All joint surfaccs shall be cleancd. The joint shall be weldcd with an approvcd filler mctal. 605.15 Copper tubing. Joints betwecn copper or copper-alloy tubing or fittings shall comply with Sections 605.1 5.1 through 605.15.4. 605.15.1 Brazed joi~lls.All joint surfaces shall he clcaned. An approved flux shall be applied where required. 'The joint shall bc brazed with a fillcrn~ctalconfonnir~gto AWS A5.X. 605.15.2 Flaredjoints. Flared joints for watcr pipc shall bc made by a tool designed for that operation. 605.15.3 Mechanical joints. Mechanical joints shall be installed in accordance with the nlan~rfacturcr's instructions. 605.15.4 Soldered joints. Solder joints shall be mndc in accorclancc with the methods of AS'I'M B 828. All cut tube cnds shall be rearncd to the full inside tli:~mcterof the tubc end. All joint surfaces shall bs cleancd. A flux conforming to ASTM B 81 3 shall bc applied. The juirit shall be soldered with a solder conforming to ASTM B 32. The joining of water supply piping shall be made with Izad-free soldcrs and fluxcs. "Lcad free" shall rncan a chemical composition equal to or lcss than 0.2-percent lead. 605,16 CPVCplastic. Joints between CPVC plastic pipc or fittings shall comply with Sections 605.10.1 through 605.16.3. 2006 lNTERNATlONAL PLUMBING CODE@

WATER SUPPLY AND DISTRIBUTION

605.16.1 Mechanical joints. Mechanical joints shall bc installed in accordancc with the manufacturer's instructions. 605.16.2 Solvent cementing. Joint surfaces shall be clean and frcc from moisture, and an approvcd primer shall be applicd. Solvent ccrnent, orange in color and conforming to ASTM F493, shall be applied to all joint surfaces. The joint shall be made while the cement is wet, and in accordance with ASTM D 2836 or ASTM F 493. Solvent-cement ioints shall bc pcrnmittcd above or below ground. Exception: A primer is not requircd where all of the following conditions apply: I. The solvent cemcnt uscd is third-party certified as conforming to ASTM F 493. 3. l'he solvent cement used is yellow in color. 3. Thc solvent cemcnt is used only for joining inch (12.7 mni) through 2 inch (51 mni) diameter CPVC pipe and fittings.

4. The CPVC pipe and fittings arc manufacturcd in accorda~icewith ASTM D 2846.

605.16.3 Threaded joints. Threads shall conform to ASME B 1.20. I. Schcdulc 80 or heavicr pipc shall be permittcd to bc threaded with dies specifically dcrigned tor pla\tic pipe. but the pressure ~ a t ~ nofg the plpe shall be retlucecl by 50 percent Thread by socket ~ilolcledfittingb shall bc permitted. Approved thrcad lubricant or tape shall be applied on the malc threads only. 605.17 Cross-linked polyethylene plastic. Joints betwecn cross-linkcd polyethylene plastic tubing or fittings shall comply with Sections 605.17.1 and 605.17.2. 605.17.1 Flared joints. Flared pipe ends shall be made by a tool dcsipncd for that operation.

I

605.17.2 Mechanical joints. Mechanical joints shall bc installed in accordance with the manufacturer's instructions. Fittings Sor cross-linked polyethylene (PEX) plastic tubing as described in ASTM I:877, ASTM F 1807, ASTM F 1960, and ASTIvI F 2080 shall be installed in accordance with thc manufacturcr's instructions. 605.18 Steel. Joints between galvanized stccl pipc or fittings shall con~plywith Sections 605.18.1 and 605.18.2. 605.18.1 Threaded joints. Threads shall conform to ASME R1.1-0.1.Pipe-joint co~npoundor tapc shall be appliecl o11 thc rnalc threads only. 605.18.2 Mechanical joints. Joints shall bc made with an approved clastomct.ic scal. Mechanical joints shall be installcd in accordance with thc manufacturcr's instructions. 605.19 Polybutylene plastic. Joints between polybutylene plastic pipe and tubing or fittings shall comply with Sections 605.19.1 through 605.19.3. 605.19.1 FLared joints. Flarcd pipe cncls shall bc made by a tool designed for that operation. 605.19.2 Heat-ft~sion joints. Joints shall he of the sockct-fusion or butt-f~~sion type. Joint surfaces shall be 2006 INTERNATIONAL PLUMBING CODE@

clean and free from moisture. All joint surfaces shall bc heated to melt temperature and joinccl. The joint shall be undisturbed until cool. Joints shall bc niacle in accordance with ASTM D 2657. ASTM D 3309 or CAN3-B 137.XM.

605.19.3 Mechanical joints. Mcchanical joints shall be installed in accordance with the niunufacturcr's instructions. Mctallic lock rings employcd with insert fittings as described in ASTM D 3309 or CAN3-B 137.8M sh:rll bc installcd in accordance with the manufacturcr's instructions. 605.20 Polyethylene plastic. Joints bctwccn polyctliylenc plastic pipe and tubing or fittings shall comply w ~ t hScctions 605.20.1 through 605.20.4. 605.20.1 Flared joints. Flared jonits shall hc pcrm~ttcd where so indicated by the pipe rnanufacrurer. Flared joints shall be made by a tool tlcsigned for that operation. 605.20.2 Heat-fusion joints. Joint surfaces shall bc clean and free from nloisture. All joint surfaces sllall be heatcd to melt temperature and joined. The joint shall bc undisturbed until cool. Joints shall he made in accordance with ASTM D 2657. 605.20.3 Mechanical joints. Mechnnlcal joints shall bc installed in accordance with the manufacturcr's instructions. 405.20.4 Installation. I'olyethylene pipe shall bc cut square, with acutter designed for plastic pipc. Except where joined by heat fusion, pipe ends shall bc charnfcred to remove sharp edges. Kinked pipe shall not he inslallcd. The minimurn pipe bending radius shall not bc ICSS than 30 pipe diameters, or the minimum coil radius. whiclievcr is greater. Piping shall not be bent beyond straightening of the curvature of thc coil. Bends shall not be permitted within 10 pipc diamcters of any fitting or valve. Stiffener inscrts installed with compression-type couplings and fittings shall not extend beyond the clamp or nut of the coupling or fitting. 605.21 Polypropylene (PP) plastic. Jo~ntsbetwecn PP plastic pipe and fittings shall coniply with Scction 605.21.1 or 605.21.2. 605.21.1 I-Ieat-fusion joints. Heat-fusion joints for polypropylene pipe and tubing joints shall be installcd with socket-type heat-fused polypropylene filtings, butt-fusion polypropylene fittings or electrofusion polypropylenc fittings. Joint surf'~ccsshall be clean and free Tram nioisturc. Thc joint shall be undisturbed until cool. Joi~ltsshall be made in accordance with ASTM F 2389. 605.21.2 Mechanical and compression sleeve joints. Mechanical and compression sleeve joints shall bc installed in accordance with the manufacturer's instructions. 605.22 PVC plastic. Joints between PVC plastic pipe or fittings shall comply with Sections 605.22.1 through 605.22.3. 605.22.1 Mechanical joints. Mechanical joints on water pipc shall be made with an clastomeric scal conforming to ASTM D 3 139. Mechanical joints shall not bc installed in above-ground systems unless othcralisc approved. Joi~lts shall bc installcd in accordance with the rn:~nt~fxturer's instructions.

WATER SUPPLY AND BlSTRlBUTlON

605.22.2 Solvent cementing. Joint surfaces shall be clcan and free from moisture. A purple primer that conforms t o ASTM F 656 shall be applied. Solvent cement not purple in colcrr and confomming to AS'l'lVl D 2564 or CSA-B 137.3 shall bc applied to all joint surfaces. The joint shall be madc while the cemcnt is wet and shall be in accordance with ASTM D 2855. Solvent-cement joints shall he permitted above or below ground. 605.22.3 Threaded joints. Threads shall confonn to ASME B 1.20.1. Schedule 80 or heavier pipc shall be perlnitted to bc threaded with dies specifically designed for plastic pipe, but the pressure rating of thc pipe shall be reduced by 50 percent. Thread by socket molded fittings shall be pemmittcd. Approvcd thrcad lubricant or tape shall be applied on the malc threads only. 605.23 Stainless steel. Joints between stainless steel pipe and fittings shall con~plywith Sections 605.23.1 and 605.23.2. 605.23.1 Mechanical joints. Mechanical joints shall be installed in accordance with the manufacturer's instructions. 605.23.2 Welded joints. All joint surfaces shall be cleaned. The joint shall be welded ;~utogenouslyor with an approvcd filler metal as referenced in ASTM A 312. 605.24 Joints between different materials. Joints between different piping materials shall be made with a mechanical joint of the con~pressionor 11iechanical-sealing type, or as permitted ill Scctions 605.24.1. 605.24.2 and 605.24.3. Connectors or adapters shall have an clastoincric seal conforming lo ASTiVl D 1869 or ASTR4 F 477. Joints shall be installed in accordance with the manufacturer's instructions. 605.24.1 Copper or copper-alloy tubing to galvanized steel pipe. Joints between copper or copper-alloy tubing and galvanized steel pipe shall be ~ n a d ewith a brass fitting or dielectric fitting. Thc coppcr tubing shall be soldered to the fitting in a11 approved manner. and the fitting shall be screwed to thc threaded pipe. 605.24.2 Plastic pipe or tubing to other piping material. Joints betwcen different gracics of plastic pipe or between plastic pipc and othcr piping malerial shall be made with an approved adapter litting. 605.24.3 Stainless steel. Joints between stainless steel and different piping materials shall be rllacte with a mechanical joint of the comp~.cssionor mechanical scaling type or a dielcctric fitling. SECTION 606 INSTALLATION OF THE BUILDING WATER DlSTRlBUTlON SYSTEM 606.1 Location of full-open valves. Full-open valves shall be installed in the following locations:

I. On the building water service pipe from the public water supply near the curb.

2.

011 the watcr distribution supply pipc at the entrance into thc structul-c.

3. On thc discharge side of cvcry watcr meter.

4. On the base of every watcr riser pipe in occupancics other than multiple-family rcsitlentinl occupancics that are two stories or lcss in height and in one- and two-family residential occupancies. 5. On the top of every watcr down-fccd pipc in occupancics othcrthan one- and two-family residential occupnncics. 6. On the entrance to cvery watcr supply pipc to a dwelling unit, except wherc supplying a single fixture equipped with individual stops. 7. On the water supply pipe to a gravity or pressurized water tank

8. On the water supply pipe to every watcr hcater. 606.2 Location of shutoff' valves. Shutoff valves shall bc installed in the following locations: 1. On the fixture supply to each plumbing fixture othcr than bathtubs and showers in one- and two-family rcsidential occupancies, and other than in individual sleeping units I that are provided with unit shutoff valves in hotels, n~otels,boarding houses and sirnilar occupancics. 2. On the water supply pipe to each sillcock 3. On the waler supply pipe to each appliancc or mcchanical equipmcnt.

606.3 Access to valves. Access shall bc provided to a11 I full-open valves and shutoff talvcs. 606.4 Valve identificatior~.Service and hose bibb valvcs shall bc identified. All other valves installed in locations that arc not adjacent to the tixture or appliance shall be identified. indicating the fixturc or appliance served. 606.5 Water pressure booster systems. Water prcssure booster systems shall be provided as required by Scctions tj06.5.1 through 606.5.10. 606.5.1 Water pressure booster systems required. Where thc water pressure in the public watcr main or it~dividual water supply system is insufficient to supply the minimum pressures and quantities specified in this code, the supply shall be supplemented by an clcvatcd watcr- tank, a hydropneurnatic pressure booster system or a watcr pressure booster pump installed in accordance with Section 606.5.5. 606.5.2 Support. A11 water supply tanks shall be suppol tcd Code. in accordance ~viththe Itzret-r7ntroniJ R~liltlir~,i. 606.5.3 Covers. All water supply tanks shall be cove~.cdlo keep out unauthorized persons, dirt and vermin. The covcrs of gravity tanks shall be vented with a return bend vent pipc with an arca not lcss than the arca of the down-fccd riscr pipe, and the vent shall be screencd with a corrosion-resistant screen of not lcss than 16 by 20 nlcsh per inch (630 by 787 rnesh per In). 606.5.4 Overflows for water supply tanks. Each gravity or suction water supply tank shall be provided with an ovcrflow with a diameter not less than that shown in T a l h 606.5.4. The overflow outlet shall discharge at a point not I less than 6 inches (152 mm) above the roof or roof drain: floor or floor drain: or ovcr an opcn water-supplied fixturc. 2006 INTERNATIONAL PLUMBING CODE@

WATER SUPPLY AND DISTRIBUTION

The ovcrilow outlet shall bc covered with a corrosion-resistant scrccn of not lcss than 16 by 20 mesh per inch (630 by ) by 0.7-5-inch (6.4 mln) hardware cloth 787 mcsh per n ~and or shall terminate in a horizontal angle scat chcck valvc. Drainagc from overflow pipes shall be dirccted s o as not to trceze on roof walks. TABLE 606.5.4 SIZES FOR OVERFLOW PIPES FOR .WATER SUPPLY TANKS . .. . . .. . -- .- . . -

-

-

MAXIMUM CAPACITY OF WATER SUPPLY LINE TO TANK (gpm)

I,

.

.

-

o rI :

Over 1,000 . .

-

(

DIAMETER OF OVERFLOW PlPE

..

1

:

i

8

.

606.5.5 Low-pressurccutoff required on booster pumps. A low-pressurc cutoff shall be installed on :ill booster p ~ ~ n in ~ pa swatcr pressure booster system to prevent crcation of a vacuum or ncgativc prcssure on the suction sidc of the pump whcn a positive pressure of I 0 psi (68.94 kPa) or ICSS O C C L I ~ Son thc suction sidc of the pump. 606.5.6 Potable water inlet control and location. Potablc watel inlets lo gravity tanks shall be controlled by a fill valve or other automalic bupply valve ~nstalledsoas to prcvent the tank from ovcrtlowing. The inlet shall be terminatcdso as to provide an alr gap not lcss than 4 inchcs (102 mm) above the O ~ ~ m ~ ~ . 606.5.7 'rank drain pipes. A valvcd pipe shall be provided at the lowest point of each tank to permit emptying of the tank. Thc tank drain pipe h a l l discharge as required for overflow pipes and shall not be smaller in size than ipecified in Tablc 606.5.7.

/(

...

-

TABLE 606.5.7 SIZE OF DRAIN PIPES FOR WATER TANKS . . --. .~~ ~

-

-TANK CAPACITY (gallons) . . -

~-

.

/' .

606.5.10 Pressure relief for tanks. Every pressure tank in a hydropneumatic prcssurc booster syste~nshall be prorcctcd with a pressure rclief valve. Thc prcssure rclicf valvc shall be set at a ~naximumpressurc equal to the rating of thc tank. The relief valve shall be installed on the supply pipe to thc tank or on the talk. The relicf valve shall discharge by gravity to a safe place of disposal.

-:!

I ~nilh= 25.4 mm, I gallon per nlinutc = 3.?85 I,/ni.

-~

Exception: This section shall not apply to pressurized captive air diaphragnv'bladdcr tanks.

606.6 Water supply sgsten~test. Upon completion of a rcction of or the entire water supply system, thc system, or portion completed, shall be tcsted in accordance with Scction 317.

I

~..

-

606.5.9 Pressure tanks, vacuum rclicf. All water pressurc tanks shall be providcd with a vacuum rclicf valvc at the top n prcssure of the tank that will operate up to a i n a x ~ ~ n un ~atcr ~i~ of of 200 psi (1380 kPn) and up to a n ~ a x i t n utcmpcraturc 200°F (93°C). The minimum sizc of such vacuum lclief valve shall bc 0.50 inch (12.7 mm).

. .

DRAIN PIPE (inches) ~

-1

7

SECTION 607 HOT WATER SUPPLY SYSTEM

607.1 Where requii-ed.In residential occupancics. hot watcr shall bc supplied to all plumbing fixtures and cquipn~entutilized for bathing, washing, culinary purposcs, clcansing, laundry or building maintcnancc. In nonresidential occupancics, hot water shall be supplicd for culinary purposcs. clcansing. laundry or building ~naintcnancepurposes. In nonrcsidcntial occupancies, hot water or tc~npcredwater shall be supplied for bathing and washing pulposes. Tempcred watcr shall bc supplied through a water temperature limiting device that conforins to ASSE 1070 and shall limit (he tcmpcrcd watcr to a lnaxirnum of 110°F (43°C). 'This provision shall not supersede thc rccluircmcnt for protective shower valves in accordancc with Section 423.3. 607.2 Hot water supply temperature maintenance. Wl~erc the developed length of hot watcr pip~ngt r o ~ nthc source of hot water supply to thc fartheat fixturc excceds 100 fect (30 480 mm), the hot water supply sy\tem shall I,e providcd with a method of maintaining the temperature in accordancc with thc Ivztertzatioi~alEizergy Coiz~rn~utioil Code. 607.2.1 Piping insulation. Circulating hot watcr system p~pingshall be insulated in accordancc with the I~tei-~rcltinr?nl Et~ergyC n i ~ s e n a t i nCode. i~

[El 607.2.2 Hot nater systeli~controls. Automatic clrculating hot watc~ 5ystcm pumps or hcat tlace sliall he arranged to be conveniently turncd off automat~cnllyor manually. when the hot water system IS not in open~tion.

For SI:

I ~ n c h= 1-5.4 mtn, 1 gallon = j.785 I,

606.5.8 Prohibited location of potable supply tanks. Potablc watcr gravity tanks or manholes of potablc water e\aure tanhs sllall not be located ducctly under any soil or wastc piping or any source of contamination. 2006 INTERNATIONAL PLUMBING CODE'

607.2.3 Recirc~~latingpump. Whcre a thermostatic niixing valve is used in a system with a hot water recirculating pump. the hot w:~tcror ten~pcredwater return line shall bc and the routed to thccold watcr inlet pipe of the watcr hc,i~tcr cold water inlet pipc or the hot water- I-ctur-11 connection of the thennostatic mixing valve. 607.3 Thern~alexpansion control. A means of controlling increased pressure caused by therinal expansion shall bc pro-

WATER SUPPLY AND DISTRIBUTION

vided whcrc ~ccluiredin accordance wlth Sect~ons607.7.1 arid 007.1.2.

607.3.1 I9essure-reducing valve. For water service system sizes up to and including 2 inches (5 1 ~ n m )a, device for controlling pressure shall bc installed whcre, because of thermal expansion, the pressure on the downstream side of a prcssurc-reducing valve exceeds thc pressure-reducing v:llvc setting. 607.3.2 Bacl(flow prevention device or check valve. Wherc n hackflow prevention device, check valve or other device is installcd on a water supply system utilizing storage watcr heating equipment cuch that thermal expansion causes an 1ncrea5ein pressure, a device for controlling pressure shall be ~nbcalled. 607.4 Flow of hot water to fixtures. Fixture fittings, faucets and divertcrs shall be installcd and adjusted so that the flow of 1101 watcr from Ihc iittings corresponds to the left-hand side of the t?xtl~refitting.

I

608.5 Chemicals and other substances. Chcrt~icalsand othcs substances that producc either toxic conditions. taste: odor or discoloration in a potable water systc~ushall not he introduced into, or utilized in, such systems. 608.6 Cross-connection control. Cross conncclions shall bc prohibited, except where approved protective devtccs arc installed. 608.5.1 Private water supplies. Cross connections betv~eena private water supply and a potablc p ~ ~ b lsupply ic shall be prohibited. 608.7 Stop-and-waste valves prohibited. Combination stop-and-waste valves or cocks shall not he installcd underground. 608.8 identification of potable and nonpotable water. 111all buildings whcre two or rnorc watcr distribution systems, one potable watcr and the other nonpotablc watcr, are installed, each system shall be identified either by ctjlor marking or metal tags in accordance with Sections 608.8.1 through 608.8.1.

Exception: Showcr and tub/shower mixing valves conforming to ASSE 1016 or CSA B125, wbcre the flow of hot watcr cor~cspondsto the ~narkingson the device.

608.8.1 Information. Pipe identification shall includc the contents of the piping system a r ~ dan arrow indicat~ngthe direction of flow. Hazardous piping systems shall also contain infoimatlon addressing the nature of the hazard. Pipc identification shall be repeated at maxi~numintel-vals of 25 feet (7620 n ~ u and ) at each point where the piping passcs through a wall. floor or roof. Lettering shall be readily obsel-vablc tvithin the room or space whcrc thc piping is located.

SECTION 608 PROTECTION OF POTABLE WATER SUPPLY 608.1 General. A potable water supply system shall be designed, installed and maintained in such a manner so as to prcvent contaniination from ionp potable liquids, solids or gases being introduccd into the potable water supply through cross-conncctior~sor any other piping connections to the system. I3acktlow preventcr applications shall conform to Table 608. 1, except as specifically stated in Sections 608.2 through 608.16.10.

I

608.2 Plumbing fixtures. The ?upply lines ancl littings for cvery plumbing fixture shall bc installcd so as to prevent backflow. Plulnblng fixture fittings shall provide backflow protection in accordance with ASME A1 12.18.1. 608.3 Devices, appurtenances, appliances and apparatus. All devices. appurtenances, appliances and apparatus intended to serw some special fi~nction?such as steriliz;~tion,distillation: processing. cooling, or storage of ice or foods, and that connect to the water supply syste~n,shall be provided with protection against backflow and contaniination of the water supply system. Water pumps, filters. softeners, tanks and all other appliances and devices that handle or treat potable. water shall he protected against contamination. 608.3.1 Special equipment, water supply protection. The water supply for hospital iixtures shall be protected against backflow with a reduced pressure principle backflow prcvcliter, an at~nosphericor spill-proof vacuum breaker, or an air gap. Vacuum breakers for bedpan washer hoses shall not be locntcd Icss than 5 lee1 (1523 mm) above the floor. V~lcuumbrcalcers for hosc connections in health care or lahor:ltory areas shall not be less than 6 feet (1 829 mm') above the floor. 608.4 Water service piping. Water service piping shall bc protcctcd in accordance with Sections 003.2 and 603.2.1.

608.8.2 Color. The color of the pipe identification shall be discernablc and consistent throughout the building. 608.8.3 Size. The size of the background color field and Icttering shall comply with Table 608.8.3.

-.;,

-

~

~~

1

! 1

TABLE 608.8.3 SIZE OF PlPE IDENTIFICATION ~

PlPE DIAMETER -

-

LENGTH BACKGROUND I COLOR FIELD (inches) -. .~ --,

L

Ainc"eS!_

.

~

~

~

I

SIZE OF LETTERS (inches)

1

I

I--.~

over 10

1.-

~

-32 . .~

For SI: 1 inch = 25.4 mm.

508.9 Weutilization prohibited. Watcr util ired for the cooling of equipment or other processes shall not be rcturncd lo the potable watcr system. Such watcr shall be dlschargccl into a dlainage s)lstcm through an ulr gap or shall be utilized for ~lonpotahle purposes.

608.10 Reuse of piping. Piping that has been utilized for any purpose other than conveying potable watcr shall )lot bc utilized for conveying potablc water, 608.11 Painting of water tanks. The interior surface (>fapotablc water tank shall not be lined, painted or repaired with any material that changes the taste, odor, color or potability of the watcr supply when the tankis placed in, or returned to, scrvicc. 2006 INTERNATIONAL PLUMBING CODE'

WATER SUPPLY AND DISTRIBUTION

-

-

.

.-

TABLE 608.1 APPLICATION OF BACKFLOW - . PREVENTERS -. - ' APPLICATION^ DEGREE OF HAZARDa 1

.

- - .-

-.

-

.~

-

,

-

-

.I

i .-t~

- .-

I

.

Becltl'low preventcr with i~ltcrrnediate ntn~osphcric vents .~~~ -~ -~

~

--

~

--

~ . ~.

~

' ~ i ~orl low l hazard L

.

--

.-.

~

!

-

ASSE

~ .,

~

~

--_. ~

I

-

- -

I

. -

.

-

.

-

~

- -.

-

-

.

.~

.

Sizes 'I,,"

-

1

I"

.

1

head haclcp~.es~urc or backsiphonage sizes 'I,", 'I,", I "

.

..

1

Low head bba~kp~cssure ad backsiphonage

. .-+. ~.

.

I 1Backsiphonage only I Sizes 'I4'' - 4"

~~-~ . . -4-- .

Pressure vacuurn brcaker asscmhly

i ~ i or~ low h hazard

Reduced pressure detcc~orfire protection birckflo\v prcvc~rtionassc~nblies

,

~. .

.

i ~ i gorl low ~ hazard

~- ---.

1 I I High or low hazard

-

2006 INTERNATIONAL PLUMBING CODE@

-

~

ASSE 024. CSA 864,6

.

- ~-

-

-.

-~

-

-

~-

- -

~~

-

.

~-

~

-~

IAS E

1020, CSA B64.1.2

lASSE

1047

j-~

I -

1

-

~-

1056 --- -

1.ow head backpressure or backsiphonage i Sizcs 'I,,", I" 2

~

/ASSE 1035, CSA B64.7

l ~ a c k s i ~ h o n only a~e ~ i ~ 'I.,"-2" e s

/

I

1

~--!

. +

-

.

---- --

I

j ASSE 1052: CSA 864.2.1 .I

1

or backpressurc I, ~ a c k s i p l t o n a ~ e (Fire sprinkler svstcnis)

~ . . . ~ . .

I ~ a c u u r nhrcakcr wall Irydrnnts. frost-resistanl, aulo~naticdraining Iype : . _ . . . For ST: I inch = 75.4 ulnl. a. 1,ow h:~~ard-SeeP(1llutio1i(Section 202). Hljili Iin/a~-d--SeeCotrtalnit~ationiSectioli 202). 1). Scc Hachpl-cssurciSection 202). Scc Hackpl-chsuse. lo\\, head (Section 202). Sec Hi~cksiphonage(Section 207).

~. - .- - -

'ASSE I01 I, CSA B63.3, (CSA 864.2.1

1~acksiyhona~ only e

!Hifih or low h z a r d

Spillproof vacuum breaker

~-

1

1

-~.

-~

I

/LOW

I ~ i g hor low liazard

1

.--.::~~-

~1.~

~~

-

I

-~

-

-

!,A.SsE l 0 l 5 , AWWA C 5 10, iCSA B64 iCSA B65.5.1

/working pressur.c, backpressule or [backsiphonage Isires1b"- 1"

. .

/ ~ - a h o r ~ o rf'auccl -y backflow prcrcntcr

~-~

--

JLUM head bnckpresiure. l-ated

lHilh or low hr~nu-d

II

---

-.

A

I

- - --

--

I-

I Backpressure or baclcsiphonage

iHigh or low hazard I

--

-

I (See Sect~on608.13.4)

-

1

1 Hosc ~onnrclron\ acuum breaker

-.

--

2_ CS4 B64,3

1

1

Low h a ~ a r d

-I

- .-

-.

I

-

1st connection h ~ i c l d l o rp ~ a i e n t c r

. .

..

I (Fire sprinklcr systems) 1 Sizcs 2" - 16" .'~.~~

-

~~

-

1

-

i

Dual-chec1,->alve-type backtlow preventcr -

-

1

I~ackpressurcor baclcsiphonage Sizes 1'; - 16'

Double check detector tire protection backClow prcvcntior~assemblies -

- -

T

~

i ~ a c l a i p h o n a p only e ~.-/

1

-

_0

~

I

- -

--

'jASSE 1022, CSA B64.3.1

~ ~ a c l ~ ~ r c sors ubacksiphonage re I Sizes 1:' - "/a"

Doublc check backflow PI-evention \Low hazard assembly and double check fire ororccrion baekflow orevention asse~nhly

-~

- -

~ASSE1002, CSA B 125

~ --~ -

~-~-?

Imw hazard

B;~r.o~nctric loop

..

-

iBackpressure or backsiphonage Sizes 'I "- 'I,." !I

ILow hazard

-. - .

.

.

i ~ a c k s i p h o n a ~only c

..-

-

iBnckl'low prevencer for carbonated beverage machines .. ,

- .. - .

-

-...-

-

I APPLICABLE STANDARDS +.-

i

/ ~ n l i s i p h u n - t ySill ~ e \;al\;es for gravity 1I water closct flush tanks. .. .. . -

.{

-

-

-

-

~

DEVICE

--

-

I

-

~

-~

.

-

1 ASSE 1019, CSA B64 2.2

I ,-

-

.

~

-

-

~

WATER SUPPLY AND DISTRIBUTION

I

I

I

I

608.12 Purnps and other appliances. Watcr pumps, ljlters, soficncrs, tanks and all other devices that handlc or treat potable water shall be protected against contamination.

are dcsigned for installation under con~inuous-prcss~~re co~lditioriswhen thc c1itica.1level is installcd at thc rccluircd height.

608.13 Backflow protection. Means of protection against backflow shall be provided in accordance with Sections 608.13 1 through 608.13.0.

608.13.9 Chemical dispenser backflow devices. Backflow devices for chcmical dispensers shall comply with ASSE I055 or shall be equipped with an air gap fitting.

608.13.1 Air gap. The minimum recluircd air gap shall be mcasurcd vertically from the lowest end of a potable water outlet to [he flood levcl rim of the fixture or receptacle into which such potablc water outlet discharges. Air gaps shall con~plywith ASME A 1 12.1.2 and air gap fittings shall comply with ASME A1 12.1.3.

608.14 Localion of backflow preventers. Acccss shall be provided to backtlow preventers as specified by the inst;tllntion instnictions of the approvcd manufacturer.

608.13.2 Reduced pressure principle backflow preventers. Keduced pressure principle backflow preventers shall conform to ASSE 1013, A\V\VA C511, CSA B64.4 or CSA B64.4.1. Reduced pressure detector assembly backflow prcvcntcrs shall conform to ASSE 1047. Thcsc devices shall be perrnitted to bc installed where sub, j e c ~to continuous pressure conditions. The relief opening shall discharge by air gap and shall he prevented from being su b~nergcd. 608.13.3 Backflow preventer with intermediate atmospheric vent. Backflow prcventers with intermediate atmospheric vents shall conform to ASSE 1012 or CSA B64.3. Thcsc devices shall be pcrtnittcd to bc installed where subject to continuous pressure conditions. The relief opening shall discharge by air gap and shall be prevented tiom being submerged. 608.13.4 Barometric loop. Barornctric loops shall precede the point of conncction and shall extend vertically to a height of 35 fect ( 10 668 mm). A barometric loop shall only bc utilized as an atmospheric-type or pressure-type vacuum breaker. 608.13.5 Pressure-type vacuum hreakers. Pressure-type vacuum breakers shall conform to ASSE 1020 or CSA R64.1.2 and spillproof vacuum breiikcrs shall comply with ASSE 1056. Thcse devices are dcsigned for installation ~ ~ n dcontinuous cr Dressurc conditions when the critical levcl is installcd at thc rcquired height. Pressure-typc vacuum breakers shall not bc installed in locations where spillage could cause damage to the structure. 608.13.6 Atmospheric-typc vacuum breakers. Pipeapplicd atmospheric-type vacuum breakcrs shall conform to ASSE 100 I or CSA B64.1.1. Hose-connection vacuum brcakcrs shall confor111to ASSE 101 1, ASSE 1019, ASSE 1035> S S E ,052. CSA BM.2; CSA 864.2.1. CSA B64.2.1. I . CSA B61..2.2 or CSA B64.7. These devices shall operate under normal atmospheric pressurc when thc critical lcvel is installcd at thc required height. 608.13.7 Double check-valve assemblies. Double checkvalve assemblies shall conform to ASSE 1015, CSA B64.5, CSA BhJ.5.l or AWWA CSLO. Dod,lc-detector check-valve assemblies shall conform to ASSE 1048. These devices shall be capable of operating urlclcr continuous pressure conditions. 608.13.8 Spillproof vacuum hreakers. Spillproof vacuunl brcakcrs (SVB) shall confor~nto ASSE 1056.Thcse devices

608.14.1 Outdoor enclosures for backtlow prevention devices. Outdoor enclosures for h;rckflow prevention tievices shall comply with ASSE 1060. 608.15 l'rotection of potable water outlets. All potablc water openings and outlets shall be protected againsl backtlow In accordancc with Section 608.15.1, 608.15.2, 608.15.3, 608.15.4,608.15.4.1 or608.15.4.2. 608.15.1 Protection by air gap. Openings and outlcts shall be protected by an air gap between the openlng and the fixturc flood level I irn as specified in Table608. 15. 1. Opening$ and outlets equipped for hose connection shall he protectcd by means other than an air gap. 608.65.2 Protection by a reduced pressure principle backflow preventer. Opcnings and outlets shall he protected by a I-educed pressure principle backflow prcvcntcr. 608.15.3 Protection by a backflow preventer with intermediate atmospheric vent. Openings and outlcts shall bc protected by a backtlow prevcnter with an intermcdiatc atmospheric vcnl. 608.15.4 Protection by a vacuunl breaker. Opcnings and outlets shall be protected by atmospheric-type or prcssure-type vacuum breakers. The critical levcl of thc vacuuln brcaker shall be set a minimum of 6 inchcs ( 152 m ~ a abovc ) thc tlood level rim of the fixture or device. Fill valvcs shall be set in accordance with Section 425.3.1. Vacuum breakcrs shall not be instalIed ur~dcrexhaust hoods or similar locations that will contain toxic fumes or vapol-s. Pipc-applied vacuum breakers shall bc installed not lcss than 6 inchcs (1 52 mrn) above the flood level rim of the fixture, rcccptor or device served. 608.15.4.1 Deck-mounted and integral vacuum breakers. A p p r o v e d d e c k - m o u n t e d o r equipment-mounted vacuum breakers and faucets with intcgral atmospheric or spillproof vacuum brcakcrs shall be installcd in accordancc with the manuhcl~irer'sinstruclions and the requircmc~ltsfor labeling with thc critical level not lcss than 1 inch (25 mm) abovc the flood level rim. 608.15.4.2 Hose connections. Sillcocks, llosc hihbs. mall hydrants and other openings with a hose col~nection shall be protected by an atmospheric-typc or prcssurc-type vacuuln hrcakcr or a pcrmancntly attached hose connection vacuum brcakel-. Exceptions: 1. This scctiori shall no1 apply to water heater and boilcr drain valvcs that arc prcw~dedw ~ t hhocc 2006 INTERNATIONAL PLUMBING CODE@

WATER SUPPLY AND DISTRIBUTION

,-

.

.

.--~-~

~

TABLE 608.15.1 MINIMUM REQUIRED AIR GAPS

.

~

-~-

~

~.~ .

~

~. ~. . . ~

-

MINIMUM AIR GAP

.c.n w a v f r o m a . ~ ~ ~_/~ ._:lo?se ~ ~ ~to~a.vval!(inches) ~~

FIXTURE -~

1

~.;

.~ ~

lLavatorics and other fixtures with effective opening not greater than 'I, inch i I .in diamctcr . - .. ~. . .+---

,

~-

-

'Sink, laundry trays, gooseneck back Pducrta and other fixtures with effective

i,

openings . not gres~erih;m 3/4 inch in diamcter ~~

-

~-

-

-~ -~

~

~

~

~~

~~~

10vcr-rim bath iillcrs and other fixtures with effective openings 1101 greater I than 1 inch in di;unetcr 1 . . - . - . - - ._ - . .-

I

.i

iDrinlting water t'ountains, single orifice not grcaler than 'It6 inch i l l diamcter / 1 or multiplc oriliccs with a total area of 0.1 50 square inch (ama of circle 'I,, incll ir14i;lmeler) . . . - . 1

1

(

~

~~

1

I

~ffefect~vc openings greater than 1 ~nch I

-

-

. ..

..

_

.

^-_--...-..-.----.i-.-..__.-.-..--.

/

Two times the diameter of'the effective o~eninn i L-_--

Three limes the diameter of ..thc cfkctivc or,e~lirl!: . . .. 1

I i

i

For SI: I inch = 75.4 mm. a. A p p l i c a h l c w h ~ ~ walls ~ e I ) I . O ~ ? ~ ~ I - ~ I Carespaced ~~OIIS from thencarest inside-edge of [hespout opening adistzmcs grc:lttrthan three Lirncs llle di;iinctcr~)f~hc. ci'fc~tivc opening 111. n single wall, o r a distance greater than four tinies the diameter o f the effective opening for t\\o intersecting walls.

connection tlirc;~dsand that are intended only for tank or vcs\cl draining.

1. Where systems arc installed as a portion of thc

2. This section shall not apply to water supply valves intcndcd for connection of clothes washing machines whcrc bacliflow prevention is otherwise provided or is integral with thc n~achinc.

watcr distribution systcm in acco~.dancewith thc requirements of this code and arc not providcd with a fire dcpart~ncntconnection; isolation ol'thc water supply system shall not be requil.cd.

608.16 Conilectioi~sto the potable water system. Connections to the potablc wzltcr system shnll conform to Sections 608.16. I 1h1-ough608.16.10.

2. Isolation of the water distribution system is not

608.16.1 Beverage dispensers. The water supply conncc-

1

Exceptions:

tion to beverage dispensers shall bc protected against backflow by a backflow preventer conforming to A S S E 1022, CSA B63.3.J or by an air gap. The baclfcomputing loads on buildin:: drains and scwel-s,water closets and urinals shall not be I-aleda1 al,xver drainage iixture unit ~~nlcss thc loa~er~31ucs arc conlirnled by testing. f. For fixtures added lo a dwelling unit bathroon~group. add thedfu value of those ;~dd~t~or~al fixturcs to the bathroom r ~ o u pfixtm-ccount. p. See Section 4Oh.3 k)r sizing I-cqu~ronit.rds for lixrurc drain, hranch drain; and drainage slacl; for an auto~naticclothcs w~shcrstandpipe.

2006 INTERNATIONAL PLUMBING CODE@

SANITARY DRAINAGE

I

-.

.-

~-

MAXIMUM NUMBER OF DRAINAGE FIXTURE UNITS CONNECTED TO ANY P BUILDING SEWER, INCLUDING BRANCHES OF THE

( . i

TABLE 710.1(1) BUILDING DRAINS AND SEWERS

-.

~

.

. .

.

-

. ..

.-.- -

I - .-

-- ...

I

700

-.

~

I

1,600

1

~900 7 1 - ---. - ~-~ -

1

4,600

~

1

~~~

8,300

1--~

.

UlLDlNG DRAIN OR THE

-

/

840 --

1

1.500 5,600

-

1,920

,1I

~

--

.

-

- -

. 1 l ~. ~ 4.200 ~

.

10.000

.

~

._

~

i

-

-

6,700

.

11~

.

~

.

.

12,000-

-

.

-

.

.

~~~

!

I

1

j

. ~ ,

-

For S1: 1 ~ n c h= 25.4 mm. I inch per foot = 83.3 mm/m. a. Thc ~ninilnumsize of any building drain strvin: a water closet shall he 3 inches.

TABLE 710.1(2) HORIZONTAL FIXTURE BRANCHES AND STACKSa

---

r

I

--

~ - -

~~

-

I

I I

!

1

.

I

-

. -

..

I

MAXIMUM.NUMBER OF DRAINAGE FIXTURE UNITS--.. (dfu) ~~

~~

~.

~

.

-

~

~

-

~

..

~

- -

~

Stacksb

~

.

i 'Iz .

-

.

~

T! -.

.

.

.

!

.

I

-

~

24

~.

12

2Il1

9

1

I

I

..

i

DIAMETER OF PIPE (inches) .. -

j

-

-

~

I

3

-...- .

-

~

~.

.-

.

20

.-

- . - .

I

20 i, .i -- -

20

..I - -

90

_~

200

! -

350 ~~. .

.~~~-~- - .. - . -

-

-

i

-

-

600 1,000 - -.

-

1,500 ~

,

.

. .

.

-.

- -

~-

~

i

540

_~-.

960

2,:~700 .-~

1

~..)

.-

-

.

I

500

~

I

~-

-.

/

. .

42

240

!

_.-

48

-

-

,---

-

7 800 . Z'-..--.

6,000

-

.

--

.

-

-..

~

{i

- . ~-

-

~-

1.100 -~

i

-~

I

1.900

- -

1

~-

:

I

3,600.

.

-1.-

5 ,-. 600 --

- ~ -.

~

-

--

~~~

~

-

~~-

~

8.400

For Sl: 1 inch = 25.4 1nm. ;I. Does n o t includc branches of thc building drain. Reler. to Tablc 7 10.1( I). h. Stacks shall he sired hascd on thc total .?cct~nlul:lrcdconnected londat each s ~ o or ~y branch intel-val.As (he total accumulatcd connected load dec~.cascs,stacl,.; are p~1-11iittcd to hc reduced it1 sire. Slack diameters shall not be reduced to less than one-half of the diameter of t h C lalgest slaclc s i ~ rcyui~.cd. c c . Si/.111gload based o n dcsign crileria.

2006 INTERNATIONAL PLUMBING CODE@

SANITARY DRAINAGE

711.2 Horizontal branch connections to horizontal stack offsets. Whcrc a horizontal stack offset is locatcct Inore than four branch intervals below the top of the stack, a horizontal branch shall not connect within the horizontal stack offset or within 2 fect (610 mm) above or below such offset. 711.3 Ilorizontal stack offsets. A stack with a horizontal offset locatcd more than Cour branch intervals bclow the top of the stack shall be vented in accordance with Section 915 and sized as follows:

I . The portion of thc stack above the offset shall be sized as for avertical stack based on the total number of drainage fixture units above the offset. 2. The offset shall bc sized in accordancc with Section 11n 1

I

1 111.1. I .

3. Thc portion of tile stack below the offset shall be sized as for the offsct or based on the total number of drainage fixture units on the cntire stack, wh~chever1s larger lsie Table 7 10.1(2). Colurnn 51

711.3.1. Oniission of vents for horizontal stack offsets. Vcnts for horixontnl stack offsets required by Scction 71 1.3 shall not be required where the stack and its offset are one pipe sizc larger than requircd for a bl~ildingdrain [seerTablc 7 10.1(1) I and the entire stack and offset are not less in cross-sectional area than that required for a straight stack plus the ar-eaof an offsct vent as provided for in Section 9 15. Omission of offset vents in accordance with this section shall not constitute approval of horizontal branch connections within the offsct or within 2 feet (610 mm) above or below thc offset.

711.4 Offsets below lowest branch. Where a vertical offsct occurs in a soil or waste stack below the lowest horizontal branch, clianpc i r ~dia~neterof the stack because of the offset shall not be required. If a horizontal offset occurs in n soil or waste stack beloxv the lowest horizontal branch, the rcquired diameter of the offset and the stack below itshall be dctcrmined as for a building drain in accordance with Tablc 710.1(1).

SECTION 712 SUMPS AND EJECTORS 712.1 Building subdrains. Building subdrains that cannot be dischargcd to tlie sewer by gravity tlow shall be discharged into a tightly covcrcd and vented s u ~ n pfro111which the liquid shall bc liftcd and discharged into the building gravity drairlsge syst c ~ nby automatic pumping equipment or other approved ~iiethod.In other than existing structures, thc sump shall not reccivc drainagc from any piping within the buildingcapaldeof being discharged by gravity to the building sewer. 712.2 Valves required. A check valve and a full open valve locatcd on the discharge side of the chcck valve shall be installed in the pu~iipor ejector discharge piping between the pur~ipor ejector and thc gravity drainage system. Access shall be provided to such v;~lves.Such valves shall be locatcd above thc s ~ l ~ i covcr ip rccluircd by Section 712.1 or, whcrc the discharge pipe from the ejector is below grade, the valvcs shall he

2006 INTERNATIONAL PLUMBING CODE'

accessibly located outside the sump below grade in an access pit with a removable access cover.

712.3 Sump design. The sump pump, pit and discharge piping shall conform to the requirements of Sections 7 12.3.1 through 7 12.3.5.

C

712.3.1 Sump pump. The sump pump capacity and 11cad shall be appropriate to anticipated usc requirements. 712.3.2 Sump pit. The sump pit shall be not less than 18 inches 1457 rnnl) in diameter and 23 inches (610 mni) deep, unlcss otherwise approved. The pit shall be accessible and located such that all drainage flows into the pit by gravity. 'l'hc sump pit shall bc constructed of tile, concrete, steel, plastic or other approved materials. The pit bottom shall bc solid and provide pernianent support for the -pump. .. The suinp pit shall be fitted wit11 a gas-tight removable covcr adequate to support anticipated loads in thc arca of use. The sum^ it shall be vented in accordance with Cliai~tcr9. L

L

712.3.3 Discharge piping. Di5chargc piping shall meet the requirements of Section 7 12.2. 712.3.4 Maximum effluent level. Thc effluent Icvcl control shall be adjusted and maintained to at all ti~ilesprevent the effluent i n ~ h sump c from rising to withi11 2 inches (51 mm) of the invcrl of the gravity drain inlct into the sunil). 712.3.5 Ejector connection to the drainage system. Pumps connected to the drainage system shall connect to the building sewer or shall connect to a wyc fitting in the building drain a minimum of I O feet (3048 mm) froni the basc of any soil stack, waste stack or fixture drain. Whcrc thc discharge line connects into horizontal dl-ainagc piping, thc connector shall bc made through a wye fitting into thc top of the drainage piping. 712.4 Sewage pumps and sewage ejectors. A scwagc pump or sewage ejcctor shall automat~callydischargc the contcnts of thc sump to the building drainagc cystem. 712.4.11 &laceratingtoilet systems. Macerating toilct systems shall comply wit11CSA B45.9 or ASME Al 12.3.4 and shall be installed in accordancc with thc mnnul'acturcr's installation instructions. 712.4.2 Capacity. A sewage pump or scwagc cjccror shall liavc the capacity and head forthc application rcquirenlcnts. Pumps or ejectors that receive the dischargc of water closcts shall be capable of handling spherical solids with adiamcter of up to and including 2 inches (51 ~nrn).Othcr punips or ejectors shall be capable of handling sphcrical solids with a diameter of up to and including 1 inch (25.4 mm). Thc minimum capacity of a PLIIIIPor ejector bascd on thc diamctcr of thc discharge pipe shall be in accordancc with Table 7 12.4.2. Exceptions: 1 . Grinder pumps or gl-indcr cjcclors that rcccivc thc dischargc of water closets shall 1la1.c a ~ninimuni discharge opening of I .25 inches (32 lii~n). 2. Macerating toilet assemblies that serve single water closets shall have a niininium dischargc opening of 0.75 inch (19 nlln).

SANITARY DRAINAGE

TABLE 712.4.2 MINIMUM CAPACITY OF SEWAGE PUMP OR SEWAGE EJECTOR . ~ ~--.~ 11

,-~.

/

!.

-~

~~

-

~

1

~

.-;.

~

1

!

~~~~

~-

-.

.

..

~~

... .

For $1:

~

.

-

.

-. .

~-

i ~

I

~

-~

!

21

,

3 ~

.i

~

! t---

I_~-~--I !

1

DIAMETER OF THE DISCHARGE CAPACITY OF PUMP OR EJECTOR PIPE . (inches) . . .. . i . ~. ~. - . t?P!!" . _ ..

-- .

30 ~

46 .

,I -

-

~

~~.~ --

1

i

-~

. _

I 1

1 j11ch = 25.4 mni, I gallon pel. mninulr = 3.785 Urn.

SECTION 713 HEALTH CARE PLUMBING 713.1 Scope. This section shall govern those aspccts of health care plumbing systems that diffcr from plumbing systems in other structures. Health care plumbing systems shall confonn to this section in addition to the other requirements of this code. The provisions of this section shall apply to the special devices and ecluiprncnt installed and maintained in the following occupancies: nursing homes: homes for the aged; orphanages; intir~naries: first aid stations; psychiatric facilities; clinics: professional offices of dentists and doctors; mortuaries; educational facilities; surgciy. dentistry, research and testing laboratories: establish~nents manufacturing pharmaceutical drugs and mediciiles; and other slructures with similar appauatus and cquipiilent classified as plumbing. 713.2 Kedpan washers and clinical sinks. Bedpan washers and clinical sinks shall connect to the drainage and vent system in accordancc with the requirements for a watcl-closet. Bedpan washers shall also conncct to a local vent. 713.3 Indirect waste. All stcrilizerc, steamers and condensers shall discharge to the drainage through an indirect wastc pipc by means of an air gap. Where n battcry of not Inore than three sterilizers discharges to an individual receptor, the distance between tlic receptor and a sterilizcr shall not exceed 8 fect (2438 nun). The indirect waste pipe on a bedpan steamcr shall be trapped. 713.4 Vacuurn system station. Ready access shall be provided tovacuiil~system station receptacles. Such receptacles shall bc built intu cahine~sor recesses and shall be visible. 713.5 Bottle system. Vacuuni (fluid suction) systcnis intended lor collecting, removing and ciisposing of blood. pus or other fluids by tlie bottle systcn~shall be provided with receptacles cquipped with an ovcrilow prevention device at each vacuum oullet station. 713.6 Central disposal system equipment. All central vacuum (fluid suction) systems shall provide continuo~isscrvice. Systc~nsequipped with collecting or control tanks shall provide for draining and cleaning of the tanks whilc the system is in operation. In hospitals, the system shall be connectcd to the cmclgency power system. The exhausts from a vacuum pump scrving a vacuimi (fluid suction) system shall discharge separately to opcn air abovc thc I-oof. 713.7 Central vacuum or disposal systems. Where thc waste from a central vacuum (fluid suction) system of the baronletric-lag. collection-tank or bottle-disposal type is connectcd to thc drainage system, the waste shall be clircctly connected to the sanitary drainage system through a trapped waste.

713.7.1 Piping. Thc piping of a ccntral vacuum (fluid suctiolr) system shall be of corrosion-resistant matcrial with a smooth interior surface. A branch shall not be less than 0.5inch (1 2.7 rnm) no~ninltlpipe size for one outlct and shall bc sized in accordance with the number of vacuum outlcts. A r~iainshall not be less than I-inch (25 inni) nominal pipe sizc. The pipc sizing shall be increased in accordancc with the manufacturer's instl-uc~ionsas stations are incrcascd. 713.7.2 \'elocity. 'Thc velocity of i~irflowin a cenlral vacuum (fluid suction) system shall bc less than 5,000 feet per minute (25 mis). 713.8 Vent coi~nectior~s prohibited. Connections between local vents serving bedpan washers or sterilizer vc~itssc~vingsterilizing apparatus and nonlial sanitary pl~imbingsystcms arc pruhibitcd. Only one type of apparatus shall be servcd by a local vcnt. 713.9 Local vents and stacks for bedpan washers. Bedpan washers shall be vented to open air above the roof by means of one or more local vents. The local vent for a bedpan washer shall not be less than a 2-inch-diameter (51 nun) pipe. A local vent serving a single bedpan washer is pcrmittcd to drain to the fixture served. 713.9.1 Rlultiple installations. Where bedpan washers are located above cach other on more than onc tloor, a local vent stack is permitted to be installed to receive the local vcnt on tlie various floors. Not more than three bedpan washers shall be connected to a ?-inch (51 mm) local vent stack, not more than six to a ?-inch (76 mm) local vcnt stack and not more than 12 to a 4-inch (102 mm) local vent stack. Ln multiple installations, the connections between a bedpan washcr local vent and a local vent stack shall be made with tee or tee-wye sanitary pattern drainage fittings illstalled in an upright position. 713.9.2 Trap required. The bottoili of the local vent stack, except where senling only one bedpan washer. shall be drained by means of a trapped and vented wastc connection to the sanitary drainage system. The trap and waste shall be the same size as the local vent stack. 713.9.3 Trap seal maintenance. A water supply pipc not less than '1, inch (6.4 mm) in dianieter shall he takcn from the flush supply of cach bedpan washcr on the discharge or fixturc side of the vacuum breakcr, shall bc trappcd to form not less than a 3-inch (76 ~ n m water ) seal, and shall be connected to the local vent stack on cach floor. The \\rates supl ywater to tlic ply shall be installed so as to providc a s ~ ~ p pof local vent stack for cleansing and drain trap seal maintenance each time a bedpan washer is flushed. 713.10 Sterilizer vents and stacks. Multiplc installations of pressure and nonpressure sterilizcrs shall have thc vent connections to the sterilizer vcnt stack made by means of invcrted wye fittings. Access shall bc provided to vent connections for thc purpose uf inspection and nlain~enance. 713.10.1 Drainage. Thc connection betwccn 5tcr1lizervent or exhaust openings and the sterilizer vent stack shall hc designed and installed to drain to the funnel or basliet-type waste. tilting. In multiple installations, the sterilizer vcnt stack shall be drainctl separately lo the lowest sterilizcr funnel or basket-type waste fitting or rcccptor. 2006 INTERNATIONAL PLUMBING CODE@

SANlTARY DRAINAGE

713.11 Sterilizer vent stack sizes. Sterilizer vent stack sizes shall comply with Sections 71 3.11.1 through 7 13.11.4.

713.11.4 Pressure instrument washer sterilizer sizes. The minimum diameter of a stcrilizcr vcnt skck serving an instrument washer sterilizer shall hc 2 inchcs ( 5 1 mm). No( more than two sle~ilizersshall bc installed on a ?-inch (51 mm) stack, and not more than four stcrilizers shall be installed on a ?inch (76 mm) stack.

713.11.1 Bedpan steamers. The nlinirr~~lm size of a sterilizer vcnt serving a bedpan steamer shall be 1.50 inchcs (38 mm) in diameter. Multiple installations shall be srzed i n accordance with %ble 7 13.1 1.1. TABLE 713.11.1 STACK SIZES FOR BEDPAN STEAMERS AND BOILING-TYPE STERILIZERS (Number of Connections of Various Sizes Permitted to Various-sized Sterilizer Vent Stacks) -- . -~..~

.-T~..-

. -~.

-

1~.

STACK (inches)

~

.

.

.

I ! ,I,3i, 1 i.. . ~

,~

~.~

.-

- .

.

-

.

2;'

. ~-

.

or

2

. .. .

~-

2"

I

I

0

or

I

and

I

-.

1

.

~

CONNECTION SlZE -. .

1'1;

z

SECTION 714 COMPUTERIZED DRAINAGE DESIGN

2

or

..-~~

~

..--

714.2 Load on drainage system. The load shall be computed from the sin~ultaneousor sequential dtschargc conditions from ~- fixtures. appurtenances and appliances or thc pcak usogc design condition. .

--.J

~

1

.--

I

i

..

~

~

..i 4

~-

714.1 Design of drainage system. The sizing, design and Iayout of the drainage system shall bc perruitted to be dcsigncd by approved computer design methods.

1

714.2.1 Fixture discharge profiles. Thc discharge profiles for flow rates versus time from fixtures and appliances shall be in accordance with the mm~~facturcr's specifications.

and . ..-

-

714.3 Selections of drainage pipe sizes. Pipc shall be sizcd to prevent full-bore flow. Fol. SI: I inch = 25.4 mm a. Total of each size. h. Conlbinalion of sizes.

714.3.1 Selecting pipe wall roughness. Pipc size cnlculations shall be conducted with the pipe wall roughness lactor (ks), in accordance with the manufacturer's spcciticatioris and as modified for aging roughness factors with deposits and corrosio~i.

713.11.2 Boiling-type sterilizers. The minimum size of a sterilizer vent slack shall be 2 inchcs (5 I mm) in diameter where serving a utensil sterilizer and 1.5 inches (38 mm) in diameter where serving an instrument sterilizer. Combinations of boiling-typc sterilizer vcnt connections shall be sized in accordance with Table 7 13.1 1.1.

714.3.2 Slope of horizontal drainage piping. Horizontal d r a i n a ~ epiping shall be designed and installed at slopcs in accordance with 'l'able 704.1.

713.1'1.3 Pressure sterilizers. Pressure sterilizer vent staclis shall be 2.5 inchcs (61mm) minimum. Those serving con~bi~lations of pressure sterilizer exhaust connections shall bc sizcd in accordance with Table 713.1 1.3. TABLE 713.11.3 STACK SIZES FOR PRESSURE STERILIZERS (Number of Connections of Various Sizes Permitted To Various-sized Vent Stacks) --

/ 1 /

I~

-

STACK SIZE

(inches).

.

l 12 J2

14

1.

4

. .

. - -

-

-

-

..

.

. . .

J

.

/

--

---..

--

-

-

-

-

2 or

2 and.

i

.1 .

I

4 I ii

I --t... -

~

I ,

.

. ..

-I

3!,1._ +

715.1 Sewage backflow, Where the flood level rims of plumbing fixtures are below the elevation of the manholc covcr of the nest upstream manhole in the public sewer. such t i x t ~ ~ rshall es be protected by a backwater valve installed in the building drain, branch of the building drain or hol-izo~ilalbranch scrving such fixtures. Plumbing fixtures having flood level rinis above the elevation of the manholc covcr of the next upstream manhole in the public sewer shall not discharge through a backwater valve.

4

CONNECTION SIZE

.!c.

SECTION 715 BACKWATER VALVES

,

.

715.2 Material. 411 hearing parts of backwater valvc5 shall I?c of co~~osion-resistant material. Baclcwater valves shall comply u i t h A S M E A 1 12.14.1. CSAB181.1 orCSAR181.2.

I

1 I.

/

31' -

. .

.

.

i

S1: I i~icll= 25.4 mm, a. Total of cach sizc. b. Co~nhinalionofsizes.

1 end

I

l and and ~ _ L

.

and - ' I I ~--.L

715.3 Seal. Backwater valves shall be so constn~ctedas to prov ~ d ca mechanical scal against backflow. l

2

l!

:

715.4 Diameter. Backwater valves, when fully opened. shall have a capacity not less than that of thc pipes in which they arc installcd.

1701.

715.5 Location. Backwater valves shall be installcd ,zo that access is provided to the working parts for service and repair.

2006 INTERNATIONAL PLUMBING CODE@

CHAPTER $

INDIRECTiSPECIAL WASTE SECTION 801 GENERAL

charge shall be through an lr~dircctwastc pipe by Incans of an air gap.

801.1 Scope. This chapter shall govern matters concerning indircct waste piping and special wastes. This chapter shall further control matters concerning food-handling establishnients, sterilizers, clear-water wastes, swimming pools, methods of providing air breaks 01-air gaps, and neutralizing devices for corrosive wastes.

802.1,S Nonpotable clear-water waste. Wherc devices and equipment such as process tanks. filters, drips and boil- . ers discharge nonpotable watcr to thc building drainage syatern, the discharge shall be through an indirect waste pipe by mcails of an air break or an air gap.

801.2 Protection. All devices, appurtenances. appliances and apparatus intended to serve some special function, such as sterilization. distillation: processing. cooling, or storage of ice or foods, and that discharge to the drainage system, shall he provided with protection againsl haclcd length shall bt' lneasurzd Cram the bent conn?ction to the open aic

916.4 Multiple branch vents. Where inultiple branch vents arc connected to a conlrrlon branch vcnt, the cornrnon branch vent shall be sized in accordance with this section based on the size of the colnrllon horizontal drainage branch that is or would be rcquil-ed to scrve Ihe total drainage fixturc unit (dfu) load being vented. 916.4.1 Branch vcnts exceeding 40 Leet in developed length. Branch verils exceeding 40 feet ( 1 2 192 mm) in developed lcngth shall be ~ncreasedby one nominal size for thc cniire dcvelopcil length of the vcnt plpe. 916.5 Sump vents. S u n ~ p~ c n sizes t shall be determined in accordance with Sections 916.5 1 and 0 16.5.2. 916.5.2 Sewage pumps and sewage ejectors other than pneumatic. Drainage piping hclow sewer level shall be vented in a sinlilar manner to that of a gravity system. Building sump vcnt sizes for sumps with sewagc pun~psor sewage ejectors, other than pneumatic, shall bc dctcrmined in accordance w ~ t hTable 916.5.1.

916.5.2 Pnculnatic sewage ejectors. The air pressure relief pipe from a pneumatic sewage ejector shall be connectcd to an independent vcnt stack ler~ninatingas required for vent extcnsions through the roof. The relief pipe shall be sized to relieve air pressure inside the ejector to atmospheric pressure, but shall not be less than 1'1, inches (32 mm) in size.

SECTION 917 AIR ADMITTANCE VALVES 917.1 General. Vent systems utilizing air admittance valves shall I conlply will1 this scction. Stack-type ail ad~nittar~ce valves shall 74

conform to ASSE 1050. Individual and branch-type air admit tmce valvcs shall confoi-nl to ASSE 1051.

917.2 Installation, The valves shall bc installed in accordance with the requirements of this section and the manufacturer's installation instructions. Air admittance valvcs shall be installed after the DWV testing required by Section 312.2 or 3 12.3 has been perfo~med. 917.3 Where permitted. Individual, branch and circuit vcnts shall be permitted to tcrminate with a connection to an individrial or branch-type air adrnittancc valve. Stack verlls and vent stacks shall be permitted to tcnnin~xteto stack-type air admit-. Lance valves. Individual and branch-typc air admittance valvcs shall vent only fixtures that are on the same floor level and connect to a horiyontal branch dram. The hori7ontal brunch drain I~avlng~ndividualand branch-type air ad~nittanccvalkcs shall conform to Section 917.3.1 or 9 17.3.2. Stack-type alr admittancc valves shall conform to Scction 917.3.3.

I a

917.3.1 Location of branch. Thc horizontal branch drain shall conncct to the drainage stack or building drain a maximum of four branch intervals from the top of thc stack. 917.3.2 Relief vent. Where the horizontal branch is located Inole than four branch intervals from the top of the stack, thc horizontal b~anchshall be provided with il rclief vcnt that shall connect lo a vent stack or stack vcnt. or cxtcnd outdoors to the open air. Therelicf vent shall conncct to thc horizontal branch drain bctwcen the stack and Lhc most downstream fixture drain connected to thc horizontal branch drain. The relief vent sl~allbe sized in accordancc with Section 9 16.2 and installed in accortlancc with Section 905. The rclicf vent shall be permittcd to scrvc as the vcnt [-orother fixtures. 2006 INTERNATIONAL PLUMBING CODE@

I

VENTS

917.3.3 Stack. Stack-type air admittance valves shall not serve as the vent terminal for vent stacks or stack vents that serve drainage stacks exceeding six branch intervals.

1 917.4 Location. Individual and bl-anch-type air admittance valves shall be located a minimum of 4 inches (102 mm) abovc thc horizontal branch drain or fixture dl-ain being vented. M Stack-type ail. admittance valves shall be locatecl not less than 6 inches (1 52. m ~ nabovc ) the flood level rim of thehighest fixture being vented. The air admittance valve shall be located within the unaximum developed length pcrrnittcd for the vent. Thc air admittance valve shall be installed a minimum of 6 inches ( 1 52 ~ n m above ) insulation materials.

917.5 Access and ventilation. Access shall be provided to all air adlnittance valves. The valve shall be located within aventilatcd space that allows air to enter the valve. 917.6 Size. The air admittance valve shall be rated in accordance with the standard for the size of the vent to which the valve is connected. 917.7 Vent required. Within each plumbing system, a minimull1 of one stack vcnt or vent stack shall extend ontdoors to the open air. 917.8 Prohibited installations. Air admittance valves shall not be installed in nonneutralized special waste systems as described in Chapter 8. Valves shall not be located in spaces utili~cdas supply or return air plenums.

SECTION 918 ENGINEERED VENT SYSTEMS 918.1 General. Engineered vcnt syste~nsshall cornply with this section and the design, submittal, approval; inspection and testing requil-cments of Section 105.4. 918.2 Individual hranc11 fixture and individual fixture lleader vents. The ~naxirnu~n developed length of individual fixture vents to vcnt branches and vent headers shall bc determined in accordance with Table 91 8.2 for the minimum pipe diameters at the indicated vent airflow rafcs. The individual vcnt airtlow rate shall be determined in accorclance with the following: Qh.h

(Equation 9-1)

= Nir.ilQ,.

For St: Q ,,, = N,,,,Q,.(0.4719 Lls) where: N,,,,

=Number of fixtures per header (or vent branch) + total number of fixtures connected to vcnt stack.

Q,,,I, = Vent

branch or vent header airflow rate

(cfin).

(2,.

=Total vent stacli airflow rute (cfrn).

Q,.(gpm) =27.8 r;2/3 ( 1

- i.,,)

DS/3

Q, (cfm) = 0. I 34 Q, (gpm)

2006 INTERNATIONAL PLUMBING CODE@

where: D

= Drainage stack diameter (inches).

ow = Design discharge load ( g p n ~ ) i ,

= Waste water flow area to total area.

individual vent airflow rates are obtained by equally distributing Q,,, into one-half the total [lumber of fixtures on the branch or header for more than two fixtures; for an odd number of total fixtures, dccrcasc by one; for one fixture, apply the full vslue of Q,,,,. Individual vent developed length shall be increased by 20 percent of the distance from the vent stack to the fixture vent connection on the vent branch or headcr.

SECTION 919 COMPUTERIZED VENT DESIGN 919.1 Design of vent system. The sizing. design and layout of the vcnt system shall be permitted to bc determined by approved computer program design methods. 919.2 System capacity. The vent system shall be based on the air capacity requirements of the drainage system undcr a peak load condition.

TABLE 916.5.1 SIZE AND LENGTH.OF SUMP..VENTS - .~

. ~ .- ~ -. ~- .. .

-~

-

-.- ~ . ~

~-

~

MAXIMUM DEVELOPED LENGTH OF VENT (feet)a ---

--

~

-

~

-

~

.

~

~~~

~~~

-~

-

I

.

-

.-

~

I

-

1

_

J

4

i

No limit

!

-

.

7- 2

-

7-

1-

!

I

I

1 60

1 ~- +

~

N o limit - -

No limit NO ~

j

limit ~~

N o limit

~-1~

:L

No l i m ~ t

1

~~-~

4

.--~-.-c- .

N o limit . . .

1

No limit

I

N o limit

(

3811

1

~

N o limit i~..~

-

N o limit . . -

-

. - ~ ~

I -

N o limit

1 1

3 80 250

N o linlit N o limit

250

132

Not pcrmi~ted '

I

Not permitted

Not permitted .. . .

i

Not pemrilted ._ _ -

1

400

-/

-

~

1 I

88

22

10"

i

i

I --

j

l 10

44

10'

150

.

Not permitted

10"

~

Not permitted ~

I

-L.

Not permit -

Fol. SI: I irlch = 25.4 mrn, I fool = 304.8 mn~,1 gtllo~iper mi~it~te = 3.785 l,11n. ;I. Dclff'lriped leliglh plus an appn)p~iate allowance for c ~ ~ l l a rlosses ~ c e and friction due to f [lings, changes in direction and diameter. Suggcstcd allow:lnc?s shall he ohlained from NSR Monogap11 31 01-othcr approved sources. An allowa~iceor50 percent of [lie developed length shall he assumed if:^ more P S C C ~ S C Y:I~IIL' i~!lot available. h. /\c[uul v:ilues greater thau 500 fcet. c. 1 . ~ 5than ~ Il) kct.

TABLE 918.2 MINIMUM DIAMETER AND MAXIMUM LENGTH OF INDIVIDUAL BRANCH FIXTURE VENTS AND INDlVlDUAL FIXTURE HEADER VENTS FOR SMOOTH PIPES I

/

1

DIAMETEROF

/

-

-

-

-

-

-

- --

--

-

-

--

-

--

-

---

--

-

- -

-

-

-

-

.--

INDIVIDUAL VENT AIRFLOW RATE (cubic feet per minute) Maximum developed length of went (feet)

i

. .

For SI:

I inch = 25.4 Iiinl, 1 cuhic fool per rui~iute= 0.3719 I i s , I fc!ol = ?O-i.X mm.

2006 INTERNATIONAL PLUMBING CODE@

CHAPTER 10

TRAPS, INTERCEPTORS AND SEWRATQRS SECTION 1001 GENERAL 1001.1 Scope. This chapter shall govern the material and installation of traps, interceptors and separators.

SECTION 1002 TRAP REQUlREMENTS 1002.1 Fixture tl-aps. Each plumbing fixturc shall be separately trapped by a water-seal trap, except as otherwise permitted by this code. The vertical distance from the fixture outlet to the trap weir shall not cxceed 24 inches (610 mm) and the horizontal distance shall not cxceed 30 inches (610 mm) measurcd fi-om the centerline of the fixturc outlct to the centerlir~eof the inlet of the trap. The height of a clothes washer standpipe above a trap shall conform to Section 802.4. A fixture shall not be double trapped.

Exceptions: I. This section shall not apply to fixtures with integral traps. 2. A conibinat~onplumbing fixture IS pcrniitted to bc ins~alledon one trap, provided Lhat onc compartment is not more than 6 inches (I 51 m n ~ deeper ) than thc other compartmcnt and the wastc outlets a ~ 11u1 c rnorc than 30 inches (762 111111) apart.

3. H grease trap intendcd to serve as a fixturc trap in installation occordancc with the manufacl~~rer's instructions shall be permitted to serve as the trap for a single fixture or a combination sink of not niorc tha11 thrcc compartnlents where the vertical distance from the fixture outlet to theinlet of the interceptor does not excccd 30 inches (762 mm) and the developed length of the waste pipe from the most upstream fixture outlet to the inlct of the interceptor does not exceed 60 inches (1524 111n1).

1002.2 Design of traps. f xturc traps shall be self-scouring. Fixturc traps shall not have interior partitions, except where such traps arc integral with the fixture or where such traps are constructed of an approved material that is resistant to corrosion and degradation. Slip joints shall be made with an i~pprovedclastome~~ic gasket anti shall be installed only on t l ~ e trap inlct, trap outlet and within thc trap scal. 1002.3Prohibited traps. Thc following types of trnps arc prohibitzd: 1 . Traps that depend on moving parts to maintain Lhe seal. 7,. Bell traps.

3. Crown-vented traps. 4. 'I'raps 1101 intcgral with a L'ixt~~rc and that depend on interior parlitionl; for the seal, except those traps constructed 2006 INTERNATIONAL PLUMBING CODE@

of an approved material that is resistant to corrosion and degradal ion.

5 . '3"traps. 6. Drum traps.

Exception: Drum traps used as solids interceptors and drum traps serving chc~nicalwastc .systems shall not be prohibitcd. 1002.4 Trap seals. Each fixture trap shall have a liquid scal of not lcss than 2 inches (51 n ~ n i and ) no1 more than 4 incl~cs(102 mm), or deeper for special designs relating to accessible tixtures. Where a trap seal is subject to loss by evaporation, a trap seal pi-imer valve shall be installed. A trap seal primer valve shall confomi to ASSE 1018 or ASSE 1044. 1002.5 Size of fixture traps. Fixturc trap size shall be sufficient to drain the fixture rapidly and not Icss than the bize indicated inTable 709.1. A trap shall not be larger than thedrainage pipe into which the trap discharges. 1002.6 Building traps. Building (house) tl-apsshall be prohibited. exccpt where local conditions neccssitatc such traps. Building traps shall he providcd with a cleanout and a relief vent or fresh air intake on the inlet side o t the trap. The size of the relief veld or fresh air intake shall not bc less than onc-half the diamctcr of the drain to which tlic rclief or air intakc connects. Such rclief vcnt or fresh air intake shall be carricd above grade and shall be terminated in a screened outlet located outside the building. 1002.7 Trap setting and protection. Traps shall be set level with respect to the trap seal and, where ncccsszuy, shall be protected fro111 freezing. 4002.8 Recess fortrap connection. A recess provided for connection of the u~iclcrgroundtrap, such as o ~ i cserving a b a t h t ~ ~ b in slab-type const~-uction,shall have sidcs and a bottom of corrosion-resistant, insect- and verminl~roofconst~-uction. 1002.9 Acid-resisting traps. M1hcre a 7-itrificd clay or other brittleware, acid-resisting trap is inslalled underground, such trap shall be embedded in concretc extending 6 inches (152 mm) beyond the bottom and sides of the trap. 1002.10 Plumbing in mental health centers. In nicntal health centers. pipes and traps shall not be exposed.

SECTION 1003 INTERCEPTORS AND SEPARATORS 1003.1 where required. interceptors and scl,ilrators shal 1 be provided to prevent the discharge of oil, grcasc, sand and other substances harmful or hazardous to thc building drainage system, the public sewer, the privatc sewage disposal systenl 01. the B sewage treatment plant or processes.

1003.2 Approval.'I'hesize, type and location of each intcrccptor and of each separator shall be designcd and installed in accordance with the mannfacturcr's instructions and the 77

TRAPS, INTERCEPTORS AND SEPARATORS

rccjuircmcntb of this section based on the anticipated condis do not require treatment or separation tions of use. W ~ s t e that shall not be tlischarged into any interceptor or separator.

flanln~ablcwastes shall be discharged before enlptying into the building drainage system or othcr point of disposal.

Exception: An oil separator is not recluired in hydraulicclehator pits where an approved alnrnl systcm is installed.

1 1003.3 Grease interceptors. Grcase interceptors shall comply Sections 1003.3.1 through 10U3.3.5. with thc~cquircn~cntsof

I

1003.3.1 Grease interceptors and automatic grease removal devices required. A grease interceptor or automatic grcasc removal dcvice shall be rcquircd to receive the drainage from fixlurcs and equipnlenl \kith grease-laden wastc iocatcd in food l~reparationareas. such as in rcstaurants. hotel kitchens, hospitals, school kitchens, bars. factory cafeterias and clubs. Fixtures a ~ l dequipment shall includc pot sinks, prerinse sinks; soup kettles or similar devices; wok stations; floor drains or sinks into which kettlcs are drained; auto~natichood washunits and dishwashers without prerinse sinks. Grease interceptors and automatic grease removal devices shall receive waste only from fixturcs anct equipnlcnt that allow fats, oils or grease to be discharged. -

I (

)

1

-. --

CA

..---

TOTAL FLOW-THROUGH RATING -.

!sPm_L

.

.-

-1

;

-

GREASE RETENTION CAPACITY .

_ .( p o u n d s 1 .

-

~

~

1

1

-

1003.3.2 Food waste grinders. Where food wastc grindcrs connect to grcdse interceptors. a solids interceptor shall interseparate the discharge bcfore connccting to the ceptor. Solids interceptors and grease interceptors shall be sized a ~ rated ~ d foi- the discharge of the food waste grinder. Emulsifiers, chemicals, enzymes and bactcria shall not discharge into the food wastc grinder 1003.3.3 Grease interceptors and automatic grease removal devices not required. A gieaae interceptor or an automatic grc:lse rcmoval device shall not he requircd for ~nd~vidual dwelling un1t.s or any private living quarters. 1003.3.4 Grease interceptors and automatic grease removal devices. Grease interceptors or a u ~ o n ~ a tgrease ic removal deviccs shall conform to PDI G101, AShlE A1 12.14.3 or AShlE A 1 12.14.4 and shall bc installed in accorctancc with thc manufacturcr's instructions.

I

1003.3.4.1 Grease il~terceptorrapacity. Crcnse interceptors shall have the grease retention capacity indicatcd in Table 1003.3.4.1 for tlze flow-through rates indicated.

I

1003.3.4.2 Rate of flow controls. Greasc interceptors 5hall be equipped w ~ t hdevices to control the rate of water flow so that the water f l o ~does not exceed the rated flow. The flow-control device shall be vented and tc~minate not lcss than 6 inchcs ( I52 mm) above the flood rim lcvel or bc installed in accordance with the manufacturcr's instructions.

-

TABLE 1003.3.4.1 -

1003.3.5 At~tomaticgrease removal devices. Whcre automatic grease removal devices arc installed. such dcvices shall be located downstream of each fixture or mulliple fixinstructions. tures in accordancc with thc ~~~anufacturer's The aulo~naticgrease rc~llovaldevice shall be sized to pretrcal ~ h ~neasurcd c or calculated flows for all connected fixtures or ecluipmcnt. Ready access shall be provided for inspection and maintenance. 1003.4 Oil separators required. At repair garages, car-washing facilities, at factories whel-e oily and flammable liquid wastes arc produced ant1 in hydraulic elevator pits. separators shall hc installed into which all oil-bearing, greasc-bearing or

11

75

I

150

--,-~

- - . ... .. .

200 L... .~-F I 1 gal1011per minute = -4.785 Llni, 1 pound = 0.351kg. ;L.For total flow-through snlingsgreale~. than 100 (ppm) , r l o ~ ~ h lthc c through mting to tlelrrmine the grcnse setenlion capacity (pounds). --

100

~~

.

.

. .

-

~

- ~ -

~

~

.

.! ,

j

flow-

1003.4.1 Separation of licguids. A mixturc of treated or untrcated light andhcavy liquids with various specific gravities shall be separated in an approved receptacle. 1003.4.2 Oil separator design. Oil separators shall be designed In accordance with Sections 1003.4.2.1 and 1003.4 2.2 1003.4.2.1 Ccneral design rey~~iremcnts. Oil separators shall have a depth of not less than 2 feet (610 mm) below the invert of the discharge drain. The outlet opening of the separator shall have not less tllari an 18-inch (457 mm) water seal. 1003.4.2.2 Garages and scrvicc stations. Whcrc automob~lesare scrviccd, greased, repaired or washcd or where gasoline is dispensed. oil separators shall have a minimum capacity of 6 cubic fcet (0.168 m-') for the first 190 square feet (9.3 m2) of area to be draincd, plus I cubic foot (0.28 m" for each addi~ional100 square feet (9.3 112)of area to be drained illto the separator. Parkir~g garages in which servicing, repairing or washinbr '1s not conducted, and in which gasoline is not dispenscd, shall not require a separator. iireas of comnzercial garages util e snot required to lized only for storage of a ~ ~ t o n ~ o b iare he drained through a separator. 1003.5 Sand interceptors in commercial establishments. Sand and similar interceptors for heavy solids shall bc dcsignctl 2006 INTERNATIONAL PLUMBING CODE@

I

TRAPS, INTERCEPTORS AND SEPARATORS

and located so as to be prov~tledwith ready access for cleaning. and shall have a water seal of not less than 6 inches ( I 52 mm)

1003.6 Laundries. Laundry facilities not installed within an individ~~al dwelling unit or intended for individual family use shall be equipped with an interceptor with a wire basket or sirnilar devicc, removable for cleaning, that prevents passage into the drainage system of solids 0.5 inch (1 2.7 ~ n m or ) larger in size, string. rags, buttons or other n~;~tcrials detrimentc~lto thc public sewage system. 1003.7 Bottling establishments. Bottling plants shall discharge process wastcs into an interceptor that will provide for thc separation of broken glass or other solids before discharging waste into thc drainage system. 1003.8 Slaughterhouses. Slaughtering room and dressing rooln drains shall be cquippcd with approved separators. The separator shall prevent the discharge into the drainage systcrn (11 feathers, et~trailsand other materials that cause clogging.

4 003.9 Venting of interceptors and separators. Interceptors and separators shall be designed so as not to become air hound whci-c tight covers are utilized. Each interceptor or separator shall bc vented whcrc subject to ri loss of trap seal. 1003.10 Access and maintenance of interceptors and separators. Access shall be providcd to each interceptor and scparator for service and ~naintenance.Interceptors and separators shall be maintained by pcriodic removal of accumulated grease, scum, oil, or othcr floating substarices andsolids depositcd in the interccp~oror scparator.

SECTION 1004 MATERIALS, JOINTS AND CONNECTIONS 1004.1 General. The materials and methods utilized for the construction and installati011ol' traps, interceptors and separators shall comply witli t-his chapter and thc applicable provisions of Chapters 4 and 7. The fittings shall not have ledges, shoulders or reductions capable of retarding or obstructing flow of the piping.

2006 INTERNATIONAL PLUMBING CODE@

2006 INTERNATIONAL PLUMBING CODE@

CHAPTER 11

STORM DRAINAGE SECTlON 1101 GENERAL

1102.4 Building storm sewer pipe. Building storru scwcr pipc shall conform to one of the standards listed in 'I'able I 102.4.

1101.1 Scope. The provisions of this chapter shall govern the ~natcrials,design, construction and installation of storm drainage.

1

1101.2 Where required. All roofs. paved areas, yards. courts

1

and courtyards shall drain into a separate storm sewer system, or a combined sewcr system, or to an approved place of disposal. For one- and two-family dwellings, and wherc approvcd, storm water is permitted to discharge onto flat areas. such as strcets or lawns, provided that the storm watcr flows away from thc building.

1101.3 Yrollihited drainagc. Storm watcr shall not be drained

TABLE 1102.4 BUILDING STORM SEWER PlPE ~.

.~

~

.

.

_~

~

r-_ -_

MATERIAL

~

- - ~ -~

.- ~.

-~

STANDARD..

.

.

-

iAcrylonitrile butadiene styrcne (ABS) plastic pipe

IASTM D 3661: ASTM D 1751; ASTMF628;CSAB181.1; 1 CSAB182.1

I~ast-ironpipe

~ASTMA 74. ASTM A 888, CISPI 30 1

1

I

.

.

~~

_ .- .

/

~

1 ASTM C 14; ASTM C 76; ! CSA A257. Ih4;

1

;concrete pipe

1

into sewcrs intended for sewage only.

I

1101.4 Tests. The conductors and the building storm drain shall be tested in accordance w ~ t hSection 312.

!Copper-or copper-alloy t~lbing i ASTlGl B 75; AS'I'M I3 YX; :~ (Ty~7_e__K,L..MorDv\i!!>.~..~ .ASTM B251; AS?-B.306 I Polyvi~lylchloride (PVC) /ASTMD 2665: ASTM D 3034: 1 plastic pipe (Type DWV. 1 ASTM F 891; CSA B 182.4; : SDR26,SDR352 SDR41. ( CS), 8 181.2;CSA 8 182.2 PS50 or PS100) ~_....i . i 'vitrified clay-pipe . i~- A ~ ~~ T !CM 4. ASTM . -C - . 700 .. ... ~; I~tninlesssteel drainage systems, iASMB A1 12.3.1 I Type 3 16L _ -:. __ ...

1101.5 Change in size. The size of adrainage pipe shall not be rcduccd in thc direction of flow. 1101.6 Fittings and connections. All connections ancl changes in direction of the storm drainagc systcm shall be made with approved drainage-type fittings in accordance with Table 706.3. The fittings shall not obstruct or retard flow in the system.

1101.7 Roof design. Roofs shall be designed for the maximurn possible depth of water that wi!l pond thereon asdetermined by thc rclativc lcvels of roof deck and oveiflolli weirs, scuppers, cdgcs or scrviccable drains in combination with the deflected structural elements. In determining the maximum possible depth of watcr. all priniary roof drainage means shall be assumcd to be blocked. 1101.8 Cleanouts required. Cleanouts shall be installed in the storm drainagc system and shall co~nplywith the provisions of this code for sanitary drainage pipe cleanouts.

Exrcption: Snbsurface drainage system. 1101.9 Backwater valves. Backwatcr valvcs installed in a storni drainage system shall conform to Section 7 IS.

1-

_

_

. _

-

..~

i1 C S A Kj7.2M.

-

~~

-1.

1

/

1

~

-~

1102.1 General. The materials and nicthods utilized fol- the construction and installation of storm drainagc systems shall comply with this scction and the applicable provisions of Chapter 7.

1102.2 Inside storm drainage conductors. Inside storm drainagc condtlctors illstalled above ground shall conform to onc of the standards listed in Table 702.1.

1102.3 Underground building storm drain pipe. Underground building storm drain pipc shall conform to one of'the standards listed i r l Table 702.2. 2006 INTERNATIONAL. PLUMBING CODE@

:

~~

-

1102.5 Subsoil drain pipe. Subsoil tirains shall be open-jointed. horizontally bplil or perforated pipc conforming to one of the standards listed in Table 1 102.5.

r - -

TABLE 1102.5 SUBSOIL DRAIN PIPE

--

I

hlATERlAL---

-

I~sbcsto\-cementprpc

h-

-

-

--

--

-

-

-

i,ASTM C 508

_

.-

.

.

.

L

I

A 74: ASTM 4 888.

"11 )ASTM F 405; CSA B183.1; - ~ ~ C B-!XZ.(1:~C5A SA H182.8 I

!~olyethylene(PE) plastic pipc

I

I-

+

L

I 1

STANDARD

IASTM

!Cast-imnpipe

}.

-

-

CISPI -

I

-

lPolyvinyl chloride (PVC) ASThl D 2729; ASTM F 891 : Plastic pipe (type sewer pipc, 1 PS25, CSA R 182.2:C:SA B 182.4 PSj0 -or PS 100) 1 -. . - r,.-~-

~~

SECTION 1102 MATERIALS

i

..~

--

~~~~

I

- -1

~ta[nle>s steel drd~nageay\tems. 1 ,ASME A1 12.3 I Type 316L _ _ i [ ~ ~ S TCM3, ASTM C 700 I V'lficd clay-ppe

C

-

-

-

1102.4 Roof drains. Roof drains shall conform to ASME

Al12.21.2MorASMEAl12.3.1. 1102.7 Fittings. Pipe fittings shall bc approved for i~istallation with the piping material installed. and shall conform to thc respective pipe standards or onc of thc standards listed in Tablc 1102.7. The fittings shall not have Icdgcs, shoulders or rcductions capable of retarding or obst~uctingflow in the pipiug. Threaded drainage pipc fittings shall be of thc rccesscd drainage type.

1

STORM DRAINAGE

.. I C

.

-

- -

TABLE 1102.7 PIPE FITTINGS ,-.. . ~ ~

-

~

~~

-

~

i

MATERIAL - . - .

~

-- . -- -.

~

1 -4

STANDARD

-

p~

'~cr~lonitrile butadiene styrene/ASTk4D 2661; ASTM D 331 1; , . -(AQslr-!?tIc ~~~ - . . . / CSAB181.1 ... --..~-.. ./ASME B16.4: ASME B16.12; Cast-iron ASTM h 888; CISPI 301: ASTM A 74 .- . - ~ - - . --- ---.--

i

~

-

~

1

~- -~ ~

-

SECTION 1104 CONDUCTORS AND CONNECTIONS

1104.1 Prohibited use. Conductor pipes sliall not bc used as

i soil, waste or vcnt pipes, and soil, wastc or vent pipw sllall not Pi be used as conductors.

1104.2 Combining storm with sanitary drainage. The sanitary and storni drainage systc~lisof a structure shall bc entirely separate exccpt where combined scwcr systems arc utilized. Where a co~nbinedsewer is utilized, the huildirlg storm drain shall be connected in the same horizontal plane through a single-wye titting to the combined sewer at least 10 feet (1048 mmj downstrcani from any soil stack.

~

Coextruded colnposile ABS i sewer and drain DR-PS in 1 ASTM D 275 1 PS35, PSSO. PS 100, PS 140, ~. ~

1104.3 Floor drains. Floor drain\ shall not bc connccted 10 a stornl drain. I

compnsitc PVC I ~Coextruded D\VV Sd,edule 40 IPS-DR, jASTM D 2065: ASTM D 3 1 1 i

; 11 ~-

PSI 40, PS200 (solid 01ccllular corc) ~ - . .~-~.-~

-

~

j

-~

I

_ _

..

.

/Copper or copper alloy tI .~ ~-

-~

~

-

I ~ r iron a ~ and d~rcti!e I_~. . iron ~

-

-~

,

'Plastic 1 . :.. 2 (lcneritl .. . . --

i

-

j

_.

Ii ! i

~_

..

~

/

~ 1 6 . 1 5ASME ; B16.18: ' ASME B 16.27; ASME R16.23; ASME B 16.36 .--Y.-'LASME B16.29i ~

,~ A W W ACI 10

..

~

1 ASME B-_15.3 . -.

1 I

-~

-

. r

/ -

I

_

ASTM D 3034

IASME

@11

-

~

.

~~

i

PS35, PSSO. PS 100. PS 130.

1 PS20? i !

.

1

I

I

;

/ASTMF 89 I

I iCc~es~ruded iornposile PVC ,cfie~-and drain DR-PS in -

i

.

.

Polyvinyl chllxide (PVC) 1.I ? ! -.

.

-

-

~ASTMF 409 .. .. . -

ASTM . I26665: ASTM D 331 1 : A9TM F1 ->-.

i

1 I

4I

1

1 1

I

1105.1 Strainers. Roof drains shall have strainers 'xtcnding not less than 4 inches 1102 rnni) above the snrl-kc of the roof iinnrediately adjacent to the roof drain. Strainers shall havc an available inlet area, above roof level, of not lcss than onc and one-half times the area of the conductor or leader to which [he drain is conr~ected.

1105.2 Flat decks. Roof drain strainers for use on sun decks. parking decks and similar areas that arc normally scrviced and maintained shall cornply with Section 1105.1 or shall be of the flat-s~rrfacctype, installed level with the dcck, with an available inlet area not less than two ti~ncsthe arca of the conductor or leader to which the drain is connected. 1105.3 Roof drain flashings. The connection betwccn roofs and roof drains which pass through lhc roof ant1 into the intcrior of the building shall bc made watcr tight by the usc of approved flashing material.

(Srcel

SECTION ll Q3 TRAPS

1103.1 Main trap. Leaders and storin drains connectcd to a combined sewer shall be trapped. lndivitiual storm water traps shall be installed on tl~estorniwater drain branch sewing each conductor. or a single trap shall bc installcd in thc main storm drain just beforc its connection with thc combined building sewer or the public sewer. 1103.2 Material. Storrn water trdps shall be of the same material as tllc piping system to which they are attached. 1103.3 Size. Traps for individual conductors shall he the sarne size as [he horizontal drain to which thcy are connected. 1103.4 Cleanout. An acccsaible cleanout shall bc installed on tlic building \idc of the trap. 82

SECTION 1105 ROOF DRAINS

SECTION 11106 SIZE OF CONDUCTORS, LEADERS AND STORM DRAINS

1106.1 General. The size of thc vcrtical conductors and le:lders, building stormdrains?building stol-m scwers. and any horizontal branches of such drains or sewer-; shall be based on thc 100-year hourly rainfall rate indicated in F:igu~-cI 100.I or on other rainfall rates determined t'om approved local wcathcr data. 1106.2 Vertical conductors and Icaders. VCItical corlductors andleader\ shall be sizcd for thc maxi~nurnprojcctcdroot arca, in accordance e ~ t hIl'able 1 106.2. 1106.3 Building storm drains and sewers. The size of the building storm drain, building storm sewer and their. horizontal branches having a slopc of one-half unit or lcss vertical in 12 uuits horizonral (4-percent slope) shall bc based 011 rhc maximum projected roof area in accordance with Table 1 106.3. Thc minimum slope of horizontal branches shall be one-cighth unit vcrtical in 12 units horizont;~l(I --percent slopc) unless otherwise approved. 2006 INTERNATIONAL PLUMBING CODE@

STORM DRAINAGE

FlGURE 1106.1 100-YEAR, 1-HQUR RAINFALL (INCHES) EASTERN UNITED STATES For SI: I inch = 15.4 1nm. Source: Nalio~ialNk'ealher Service. National Oceanic ant1 ALmosphel.ic Atlministration, Washington D.C.

2006 INTERNATIONAL PLUMBING CODE@

STORM DRAINAGE

FIGURE 1106.1-continued 100-YEAR, 1-HOUR RAINFALL (INCHES) CENTRAL UNITED STATES 10' 1.

SI:

I inch =?.3 mtn.

Snu~.cc:National \Vc:~llicr Scrvicc. Natio~rillOceanic and i\tmosplieric Administrarion,

U51shingtonD.C

2006 INTERNATIONAL PLUMBING CODE@

STORM DRAINAGE

FlGURE 1106.1-continued 100-YEAR, I-HOUR RAINFALL (INCHES) WESTERN UNITED STATES POI.SI: 1 inch = 25.4 r11n1. S

1

2,320 5.300 9.440 15,100 32,600 58,400 94,000 168,000

i 1?.

~

1

1,504 2,672 I 4,280 9,200 16,580 26;650 47,600 ,1 ~ ~ -1 ~

, ._--_

--

/

1,160 I 2,650 4,720 1 1 7,550 1 1 6:300 29,200 47,000 1 84:000 i ~ - - . ~ _ . . . . . _ . 1

/

i

1

1

1 /

I

.

1.253 2.227 3,566 7,600 13.800 22,200 30,650

: 1

i

, 1

1

1

1,540 3.533 6.293 10,066 2 1,733 38.950 62,600 112,000

1

---

--

1 1

~~

-- -

5

I

822 1.800 3,340 5,350 i1.500 20,700 33.300 59,500

I

~-~~~

'

.--

'1, unit vertical in 12 units_-. horizontal ('-percent slope) - - - ~ ~, ... .. ...

-

3 4 5 6 8 10 12 IS .

iI

.

i-.

A

.- -- -

~~

- . . --

I

(inches)

I

TABLE 1106.3 SIZE OF HORIZONTAL STORM DRAINGE PIPING . . . .~

.

1 1

1 (

i1 .

~

1

1 1

.,

i

~

1

~

-

928 2,120 3,776 6.040 13,040 23.350 37,600 67 250

1

\

~-

L

~

~- ,

~~

~

~

~

773 1.766 3.146 5-03: 1 0.866 14450 3 1.350 56.000 .~ ~

Ii

--.

~~~-

I

i 1 i i

1 i

I .~

'I2unit \erticrtl in 12 units horizontal (4-pel-centslopej

3 4 5 6

X

I

10

i

I

I

.

.

For SI:

1

26.720 42.800 91.000 171.600

j

1

12 15 -- . - - ~ . .1

-

266.400 _ 476.000 . _--

j

i

[

7.520 13.360 11.400 46.000 85.800 133,200 238,000 . .

5010 8.900 1 , 30,650 55,200

1

1

. .

.

88_800 158,800 .

1 1 1 .

10,700 23,000 41.400 66.600 1 19,000 .

!

..

1

5,320 8,580 18,400 33,110 53.200 95,300 .. .

1 1 1

I

2,500 4,450 7.140 15,320 27,000

44.400 79,250 .. -

-

1 iI

--

1 8

I inch = 1-54inn?, I square l\mt = 0.0029 111'.

2006 INTERNATIONAL PLUMBING CODE@

STORM DRAINAGE

SECTlON 1107 SECONDARY (EMERGENCY) ROOF DRAINS 1107.1 Secondary drainagc required. Secondary (emergency) roof drains or scuppers shall he PI-ovidedwhere thc roof perimeter construction extends ahove thc roof in such a manncr that water will be entrapped if the primary drains allow buildup for any reason.

11 06.4 Vertical walls. 111sizing roof drains and storm drainage piping, onc-half of the area of any vertical wall that diverts rainwater to the roof shall be added to the projected roof area for inclusion in calculating the required size of vertical conductors, leaders and horizontal storm drainage piping. 1106.5 Parapct wall scupper location. Parapet wall roof drainage scuppcr and overflow scuppcr location shall comply with the requil-ements of the Zizterriarionnl Rziildi7tg Code.

1107.2 Scparate systems required. Secondary roof drain sys-

1106.6 Size of roof gutters. The sizc of semicircular guttcr-s

tems shall havc the end point of discharge scparatc from the pri-

shall bc based on the niaximum projected roof area in accorclancc with Table 1106.6.

mary system. Discharge shall be above grade, in a location that would norn~allybe observcd by the building occupants or maintenance personnel.

TABLE 1106.6 SIZE OF SEMICIRCULAR ROOF GUTTERS I

Ii

1

i

I

_.

~ - -

.

(inches) .

.

i

3 4

i i

i

I

I

.

-

I i i

3 4 5 6 7

i I I

1 .

8

, .

~

i

I

1 I

I 1

i I

- ~

-.~r

~-~ - -

1 . -.

1

,.. ..

I 1 1

.

.-

- - ._.

..

3

I-

---

I I

-

'I,~unit vertical 12 units hori~ontnl(!-percent slope) - - . ~ . ~ 7 - . . . . . _ . . . ~ - . .

480 1.020 1,760 2,720 3.900 5,600

i

I

i1

320 68 I 1,172 1,SlS 2,600 3.740 6,SOO

1

I 1

11

.

i

1 ~

,--

6 7 8

!

I I

10

!

5,000 7.680 ~1.040 15.920

/

28.800 _

I

j

I f

-

i i i

1 .

I

i

14 .-2. 400.

-

I

1

11 1 1

-

'I2"nit vertical in I2

.1 ' 600 I _.

;4

I i

j . .

~ l l r i t hhorironrd

i.

.

_ 7.700 2 :

1

I

I

I

I

i

2,770 3,900 5,600 10.000

1

_

~

For S1:

1

1

1

j

1

~

~

1

~~~~

5.750 .. .

.

i-

_

i

~1

-

I

_

_

.

384 8 16 1,415

1 1

2.220 3.120 4.480

,!

1.i

.

x.000

-

1 i

~

-.

.-

-

i

1

i ~-

;

1 .

320 680 1.180 1.850 2.600 3,730 6,660

!

.! I

I

i I

I

~,

~

_

1 -1

~

226 480 834 1,180 1,840 2,655 4.800

I

-.

i

~~

~~

;

.

!

I60 340 587 905 1.300 1,870 3,400

!

. _

1 /

-

1!

2.400 . .

.

1

.

j

.

I

272 57" 1,000 1,536 2,205 3,180

I1

-

.

113 240 416 640 91s 1.325

i

-

I--.-

-

~

~-

192 408 704 1.085 1,560 2,240

I

(4-percent slope) _ . I 480 1,020 1,770 ~

.

I

340 720 1,250 1,920 2,760 3,980

i

.

i

~-

I

454 960 1.668 2,560 3.860 5,310

I

680 1,440 2,500 3,840 5,520 7.960

I

.

I

240 510 880 1.360 1,950 1,800

'I, unit vertical in 12 u~iitshorizontal (?-percent slopcj .- .-.

I 5

~.- .

-~

- - ~

-

-

I

1I

-

-

I

10

1

- . ~~--

4 - -.A,.-

-

I

-

I

960 2,040 3.520 5,440 7,800 11,200

.

-

11

1

1

-1

. _

unit vertical in 12 units hur-izontal (0.5-percent slope) i 340 226 170 1 1 36 720 I 480 i 360 I 288 , 1,250 834 625 500 1 I 1,920 1,280 ( 960 768 2,760 ! 1.840 1 1,380 I 1 ,100 i i 1.590 3.980 1 2.655 j 1,090 880 7.200 _ II 4,800 ! 3.600. _ . ~-..__.:1

-

1

~ - -

-

_- .

Rainfall rate (inches per hour)

I .1__ --

2

-

._ -.

.

-

--

i

680 1,440 2,500 3,840 5,520 7,960 14,400 _-- _-. ._

I

6 7 8 10 .

I

..

i

5

I

.

-

, I I

~~~.~

1!

HORIZONTALLY PROJECTED ROOF AREA (square feet)

!.-1

DIAMETER OF GUTTERS

I!

j j

1 ~.

~

I 1

~

11 ;

~

1 Ii

1 ~ n c h= 25.4 mm, 1 silclnrc li~ol= 0.0929n1'.

2006 INTERNATIONAL PLUMBING CODE@

89

STORM DRAINAGE

1107.3 Sizing of secondary drains. Secondal-y (emergency) roof drain systems shall bc sizcd in accordance with Scction 1 1 05 bascd on thc rainfall rate for which the p~-i~na~-y system is sized in Tables 1106.2. 1106.3 and 1106.6. Scuppers shall be si7ed toprevent the depth ofponding water from exceeding that for which the roof was designed as determined by Section 1 10 1.7. Scuppers shall not have an opening di~ncnsionof less than 4 inchcs (I02 nun). The flow through the primary system shall not be considered whcn sizing the secondary roof drain system.

SECTION 1108 COMBlNED SANITARY AND STORM SYSTEM 1108.1 Size of combined drains and sewers. The size of a combination sanitary and storm drain or sewer shall be cornputcd in accordnncc with thc nlcthod in Section 1106.3. The fixture units shall be converted into an equivalent pro-jected mof or paved area. Wlicre thc total fixture load on the c o n bincd drain is less than or cqual to 256 fixture units. the equivalent drainagc arca in horizontal projectior~shall bc taken as 4,000 squarefcet (372 in2).Where the total fixture load excecds 256 fixture units, cach additional fixture unit shall be considered the cquivalent of 15.6 square feet (1.5 m2) of d r ~ ~ i n a g e arca. Thcsc values are based on arainfall rate of 1 inch (25 mm) per hour. SECTION 1109 VALUES FOR CONTINUOUS FLOW 1109.1 Equivalent roof area. Whcrc there is a continuous or scrnicontinuous discharge into the building s t o m drain or huilding st om^ sewer. such as from a pump. ejector, air conditioning plant or similar device, cach gallon per minute (Llm) of such discharge sl~allhc coinputed as hcing equivalent to 96 sqoarc fect ( 9 m?) of roof arca, based on a rainfall rate of 1 inch (25.4 n ~ m per ) hour. SECTION 1110 CONTROLLED FLOW ROOF DRAIN SYSTEMS 1110.1 General. The roof of a structure shall be designed for the storage of water where the storm drainagc system is engineered for controlicd flow. 777c controlled flow roof drain system shall be an engineered system in accordance with this section and the design, submittal, approval. inspection and testing rcquircn~cntsof Scction 105.4. The controlled flow systcm shall be dcsigned bascd on the required rainfall rate in accordance with Scction I 106.1. 11 10.2 Control devices. The control dcviccs shall be installcd so that thc rate of discharge o r water per minute shall not cxcccd the values for continuous flow as indicated in Section 1109.1. 1110.3 111slallation. Runoff control shall be by control dcviccs. Control dcviccs shall bc protected by strainers.

1110.4 Minim~lrnnl~rnbcrof roof drains. Not lcss than two roof drains shall be installed in roof areas 10,000 squarc fect

90

(929 ni2) or lcss and not lcss than four roof' drains shall be installed in roofs over 10,000 square fcet (929 m2) in arca.

SECTION 1111 SUBSOIL DRAINS 1111.1 Subsoil drains. Subsoil drains shall be opcn-jointed, horizontally split or perforated pipe conforming to one of the standards listed in Table 1102.5. S~rchdrains shall not be less than 4 inches (102 mm) in diameter. Where the building is subject to backwater, thc subsoil drain shall bc protected by an accessibly located backwater valve. Subsoil drains shall discharge to a trapped area drain, sump, dry wcll or approved location above ground. The subsoil sump shall not be required to have either a gas-tight cover or a vent. Thc sump and pumping system shall con~plywith Scction 1 1 13.1.

SECTION 1112 BUILDING SUBDRAINS 1112.1 Building subdrains. Building suhdrains located below thc public scwer lcvcl shall discharge illto a sump or rccciving tank, the contcnts of which shall be automatically lifted and discharged into the drainagc system as requilcd Tor building sumps. The sump and pumping ecluiprnent shall comply with Section 11 13.1.

SECTION 1113 SUMPS AND PUMPING SYSTEMS 1113.1 Punlping system. The sump pump, pi1 and discharge piping shall conforin to Scctions 11 13. I . 1 through 1 I 13. I .4. 1113.1.1 Pump capacity and head. The suinp pump shall be of a capacity and head appropriate to anticipated use recluirements. 8113.1.2 Sl~rnppil. Thc sump pit shall not be lcss than 18 inchcs (457 mm) in diamcter and 24 inchcs (610 mni) dccp, unless otherwise approved. The pit shall bc acccssiblc and located such that all drainagc flows into thc pit hp gravity. The sump pit shall be const~uctedof tile, stccl. plastic, cast-iron, concretc or other approved material. with a removable cover adequate to support anticipated loads in the area of usc. Thc pit floor shall be solid and providc permanent support for the pump. 1113.1.3 Electrical. Elcctrical servicc outlctc, whcn required, shall meet the requirements of the ICC El~ctricnl Coder. 1113.1.4 Piping. Discharge piping shall ~ n c e tthc requirements of Section 1 102.2. 1 102.3 or 1 102.3 and shail include a pate valve and a f111l flow chcck valve. Pipe and tlttir~gs shall be the same size as, or larger than, pump d~schargetapping. Exception: In one- and two-family dwcllings, only a check valve shall bc rcquircd, located on the discha~gc piping from the pump or ejcctor.

2006 INTERNATIONAL PLUMBING CODE@

CHAPTER 12

SPECIAL PIPING AND STORAGE SYSTEMS SECTION 1201 GENERAL 1201.1 Scope. 'The provisiorrs of this chapter shall govern the design and irrstallation of piping and storage systems for nontlarnmnblc nietlical gas systems and uor~medicalosygen systerns. All maintcnalicc and operations of such systcrns shall be in accordance with the Internc~tionalFire Code. SECTION 1202 MEDICAL GASES [F] 1202.1 Nonflammable ~ilcdiealgases. Nonflam~nablc ii~edicalgas systems, inhalation anesthetic systems and vacu u n ~piping systcrns shall be designed and installed in accortlancc with NFPA 99C. Exceptions: 1. This section shall not apply to purlable systems orcyl-

inder storage.

2. Vacuunl systcm cxllaust shall comply with thc h l r ~ r tiational Meclrnnicnl Code.

SECTlON1203 OXYGEN SYSTEMS (F] 1203.1 Design and installation. Nonmedical oxygcn systcms shall bc designed and installed in accorda~icewith NFPA 50 and NFPA 5 1.

2006 INTERNATIONAL PLUMBING CODE@

2006 INTERNATIONAL PLUMBING CODE@

CHAPTER 13

REFERENCED STANDARDS This chapter lists the standards that arc referenced in various sections of this document. The standards are listed hcrein by thc promulgating agcncy of the standard, the standard identification, the effective datc and title, and thc scctiou or sections of this document that rcfcrcncc the standai-d. Thc application of the referenced standards shall bc as specified in Scction 102.8.

ANSI

.....

..

ARI ..........

--

.....

-~

S tankard rat'e'erencc nunlbcr~~ I o 1 0--02

. . . . . . . . .

American National Standards Institute 25 West 43rd Street. l'ou~lh Floor New Yorork, NY 10036 ..

..

...... ~

..

~

.........

~

~~

Rcfcr-cnced in code Title ............... ~ $ L " E Il ~ u n ~ h c ~ ......... ....... .... - .... .Minirnurn Rcquircments lor No~~sewerrd Waste-Disposal Systen~s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1 1 . I Relicf Valves for Hot Water Supply Systems with Addenda 221 .22o-2000(R2003) and Z21.22li-2001(R20i~1). . . 504.3.504.5 Plastic Bathtub Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,407. I Plastic Sl~owerReceptors a11dShower Stalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,417.1 Plastic 1,avatories.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .416.l. 416.2 Plastic Water Closet Bowls and Tanlts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,420. 1 PlasticSinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4l5.1,418.1 Plastic Uriltal Fixtures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,419.1 . . . . .

Air-Co~~ditioning B Rcliigzration Ir~stitute 4 100 N o r ~ hFailfix Drive. Suite 200 ~.d Ispr-ingt'ield . . . . .

I

I

,

~. -~-

.

-

~rr~~siille Fort Wayne Ilndianapolis 'South Bond ........................

......

- . . . . . . . .

i

1

1 ............. t~

. . . . . . .

1

1

... ,.- ...

1

Summer ...

. .

-

97'1 %

i

.................

winter

2'1,% Dry bulb -~ .

..

Wet bulb 2'1,% -I-.. .. ...--

1i DEGREES NORTH 1

-

LATITUDEC . . . .

.

22 22 23 24 25 22 27 6'2 63

i

+.............-...

I0 61 -1.

1

6,155 6.639 5,882 6,408 6,02 6,830 5,429

I!

1 chic:^^(+'

1

I

5,809 5,542 7,033

11 ......

-

i

0 0

i

lChicago (Midway) chica ago (O'Hnle)

-

. .

1

Boise I~ewiston I Pocatello .........................

. . .

I 1

-

1

-

i I !

.........

...............................

IL

2,961 2,397 2 8 2,136 3,326 1.819

..

........

DESIGN TEMPERATURES

.

t1 .

..II ......(yearly total)..... I 2,929

1

1Honolulu

1D

HEATING DEGREE DAYS

1i

~ i l o

.

. .

STATION^

............................

iAthens /~tlanra

GA

I-.-

---

,

1 .........

I

I

0 -4

2

,

1

I i

-4 -4 -4 2- -

.

----

IN

!

- . . . .

IA

Burlingtoll I !Des Moincs Dubuciue Sioux City / ~ n.t c r l o o

.........

- -

I ~

~~

KS

.-

/ ~ o dCity ~ e /Got>dland ~opekn 1 Wichita ...~,. -

ICY

. . . .

-

-~

.

. . . . . . . .

~ ~

~

~~

~

- -- --

IAlexandria jBaton Rouge il,akc Ch;l~-lt.s New Orleans .

ME -

MD

.

.

......

--

..

-

,1 ~altirnore 1 Baltililore" -

/Frederick

1 1

4;986 6,131 5,181 .4,620 .

1 , i

5,265 4,683 4,660

1

1 1 /-

-

1

4I 1

1,560 I 1,459 1,385 I "194....... ~+--~---;-i I 9,767

I

/

1

ICarihou Portla~~d ......................

........................

.

"~

-

1

~-

.

I

1

/Covingto~~ /Lexington 1 Louisville l ~

I

11

-3 6,588 -3 7,376 -7 6,95 I / -7 7c---~ 390 ..... ! . -10

\

1

.....

5.699 6,439 6,1 14 ...

1

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

...........

1

-

1

-

.....

1 1

-. .

j

1

1

..

-

4,654 4.1 11 5,087

5 0 4 7 6 8 10 ........... 27 20 31 33 25

.

-13 -I

I

1 -

I

17 12

i-. ............. .

(coizti~z~~e~l)

2006 INTERNATIONAL PLUMBING CODE@

APPENDIX D

TABLE D101-continued DEGREE DAY AND DESIGN TEMPERATURESaFOR CITIES IN THE UNITED STATES ~

DESIGN TEMPERATURES

i

I

! DEGREES NORTH 71

/ -. LATITUDEC ,~. ~ 1 12"2(1'

72

i

42"3(Y 42-20'

I

45'~OIl' 4230' 45"4(JP 43"OO' 42-51? 42'50' 46"?0' 43"IO'

~

~

i '

Pictslield

5,634 7,578

I

88

i

1

84

.

1 I

Detl.oit (City)

Flint

MI

1

lUlmd Rapids jlalwing ~arr~uette"

1

6,232 8,481 7.377 6,894

6 -7 1 5 1 -8

1 1

10.000

Jacks011

6

88 83 87 88 87 81 84

-16

82

25 23

95 95 95

1

i

1 I

.

1 -

.

I

~.

1

~

8illi11gs Great Falls

1

.

.

.

.

I

..

- .

~

jpu'ort'olk I ~ol-rltPlatte IOmuh:~ 1Scottshluff . .

,1

-

i

Grand Isla~id

-

.

7,049 7,750 8,129 8125

J-.~

1 i

-

-

1 .

6.530

i

6,684 6.612 6,673

'

-10 -15 -16 . .6

j

1 .

.

-

-

.

~

i

1

1

1

.

j

1

88 88 88 .

.

I1

1

4.348 1 6,228 j 3.793 -3,705 -2

1

9

i !

1

j1, j.

.

!

-

1 92. 92 87 106 92 94

iI 7 -

, i

i

,

-

i 1

!

L

(cn17tinur.d)

2006 INTERNATlONAL PLUMBING CODE@

l6 1 1S 10

1

62 62

5

'~~~

; 1

7 - ~ . 68 . -

62 59 70 62

~

1 1

71 77 77 72

1

.

j ~ .

1 9

94 ti9 95 4

j I

65 64 70 64

-

~

1

I I !

76

!I

- - ~

~

4S050' 47"30' 46"40' I 46'50' I ~~~.

I

13 14

/

~~

1j

~-

~

~

i

1

I'

~

41 "00' 4lIC5O' 42'00' 41'10' 41 "20' 41 "50' ~.

-

~~

40'150' 39'1 0' 36" 10' 1')',3U' 10°50' . -

~

43, 10' .

~~~~~

1i

-4, ~Albur]uesquc Raton NM lRoswel1 Silver C'ily . - L_____---.--

- ~ .

39'00' 39"Ill' 39"So' 38"50' 3Sc-1l!' .37"lt)' _-~-

1

94 95 93 94

i

,1.

-~

12°2r~

1

77

..

32"20' 32'20'

j

1 4.812

44"OO' ...~

----

;

1

i -4 28 10

j

.

.

1,as ~ c g n s

i

!I

-3

i my

NV

;

I

94 94

-3 -2 -4 -4

CII,O

1

77 77 79

6 8 9

1

4,484 4,900

72 74 71 74 74 74 70 73 70 5 75

4

St. Louis St. [~ouis'l I~~ringt-ielci

2?

.-

..

~

~-~~

~

~

- - ~

40'40'

-

~

w~o'. ~

~

--

3S000' 36"50' 33"20' 32"40' .----

~

~

APPENDIX D

TABLE D101-continued DEGREE AND DESIGN TEMPERATURESa FOR ClTlES IN THE UNITED STATES _ _ DAY . - . . . . .. ~.~

I: STATE

1

1

HEATING DEGREEDAYS

I1 1

I

DESIGN TEMPERATU

1

winter .

-

~

..

.~

~

Summer

&.~

-

-

-

-

i DEGREES NORTH

-7 14 18 19 18

'1 i

~.-. ~-

7.X.

.

i Ahilcr~c IAustin

allas as

1

1

1

2,363 2,700 1,396 2,59 I

/

1 1

20 28 22 24 32

i i I

30 26 18

93 92 95 94

76 77

99

74

100 98 04 98 99 97 99 101

68 79 72 74 76 78 76

1

I

1

8 VT ~

..

-~

-

1~urlington ~ ~ - -~.- .- ~- - -~

~.~

~

-----

IIdynchhi~rg

JVr\

1

i NOI-~C,IIC

16 22 17

3,421

/~icl~~nor~d

, (Roiinoke . WA

-

..

Olympla j Seattle-T:~coma ~enltlc"

I*bnne..

1

5,236 26 27 2 I1 6 10

----

-7 7,410

I

82

i

84 91

i

88 SS

-5

1 i 7.680

i

-1

I

ii

90 86 88 91

64 75 72

1

1

~~

40"SU'

I

(I

~

--

1 i

I

j

61 62 (7 3 65

b. Dcsign d:lt;i drvclopc~lfrom airport temperature observations unless noted. c. Iriixtul-csbclow- mair~(to consider separately, omit from "VI" and add to I>. To cor~siderszparately, in K use C-F only if @-eaterloss than aboxe.

2006 INTERNATIONAL PLUMBING CODE@

T").

APPENDIX E

TABLE E l 03.3(3) . . .. ...-

- -

!?EO!!"V4NLYFop Demand

2006 INTERNATIONAL PLUMBING CODE@

-

~

~

~

-

-

FLUSH VALVES ~

I -

-

I

APPENDIX E

----

~

TABLE E l 03.3(5) ALLOWANCE IN EQUIVALENT LENGTHS OF PIPE FOR FRICTION LOSS IN VALVES AND THREADED FITTINGS (feet) . .. ...-

~

r--~

-

~

~

~~

,

- ~~-~ ~~

1

PlPE SIZE (inches) FITTING OR VALVE- - . - I . - - - - - . -

-

Tee. bran211 Gate valve ~~

~

Ralancing valve . ~~. ..

-

..

,

i

1.1

0.8

... -

.

I

.

1

+-

1.9

-

I . 2.2 4.

I --

'

4.5

1

.~-

Check valve, swing

.

FUI-S1.

~

I inch = 25 4 mm, I foot = 304.8 rnm, 1 degree = 0.0175 rad

TABLE E103.3(6)

-

For SI: I inch = 25.1 uum, 1 foot = 304.8 mm. I dtgree 0.01745 pad. a. t2llow;tnci's are for strealnlined soldered fittings and recessed threaded fittings. For threaded tittings, double the allowances shown in the tablc. The i>qui\:tlcnt lengths p~.bsel~ted above are b i ~ s ~ond a C faelor of 150 in the Haze11-Williams friction loss f(~rmola.The lenghs shown are rounded to llic IIC~I-cst half k x ~ t .

2006 INTERNATIONAL PLUMBING CODE@

APPENDIX E

PRESSURE DROP PER 100 FEETOFTUBE, POUNDS PER SQllARE INCH

Note: Fluid veloaf es in excess of 5 to 8 feetlsecond are not ~ ~ x ~ arecommended lly

FIGURE E103.3(3) FRICTION LOSS IN SMOOTH PIPEa (TYPE L, ASTM B 88 COPPER TUBING)

I il~ch= 25.4 Inm, 1 foot = 30-I..S mln, I gplTl = 3.785 I,11n, I psi = 6.895 kPa, I Soot pel- second = 0.305 mls. a. This ch;~l.iapplies to s r ~ ~ u onew t h copper tubing with ~.ecessed(streamline‘) soldered joints and to the actual sizes of types indicated on the diagram

For SI:

2006 INTERNATIONAL PLUMBING CODE@

APPENDIX E

FRICTIONLOSS POUNDS PER SQUARE !NCHHEAD PER 100 FEET LENGTH

FIGURE E103.3(5) FRICTION LOSS IN FAIRLY SMOOTH PIPEa

1 inch = 25.4 mm, I fool = 204.8 mni, I gpm = 3.785 Llm, 1 psi = 6.895 1;Pa. I Soot pcr secorld = 0.305 mis. a. This ~.liartapplies to snrcloth licw steel (Ihirly smooth) pipe ar~dto actual diameters of standard-weight pipe. [%I SI:

2006 INTERNATIONAL PLUMBING CODE@

APPENDIX E

FIGURE E103.3(7) FRICTION LOSS IN FAIRLY ROUGH PIPEa

1 inch = 25.4 mln, I Foot = 304.8 mm. I gpm = 3.785 L/m, 1 psi = 6.895 kPa, I liw~pcr second = 0.305 nds. a. This char1 applies lo wry ~.oughpipe and enistins pipe and to their actual dinmcters

I;or SJ:

2006 INTERNATIONAL PLUMBING CODE@

APPENDIX E

TABLE E201. I MINIMUM SIZE OF WATER METERS, MAINS AND DlSTRlBUTlON PIPING

MAXIMUM DEVELOPMENT LENGTH (feet)

.........

-- -.7- --- . .

. .

. . . . .

Pressure Range 40 to 49 psi

MAXIMUM DEVELOPMENT LENGTH (feet) -- , r~ .-..-.i------r -

.- . -

.......

.

..... .

.

.

....

........

2006 INTERNATIONAL PLUMBING

CODE^

.......

....

---

-

....

-

,

.

- 1 .

,

-

,I

APPENDIX F

STRUCTURAL SAFETY

SECTION FlO1 CUTTING, NOTCHlNG AND BORING IN WOOD MEMBERS

[B] FlOl.1 Joist notching. Notchcs on the ends of joists shall not exceed one-fourth the joist depth. Holes bored in joists shall not be within 3, inches (5 1 mm) of the top or bottom of the joist, and the diameter of any such hole shall no[ exceed one-third the depth of the joist. Notchcs in the top or bottom of joists shall not exceed one sixth the depth and shall not be located in the middle third of the span.

[B] F101.2 Stud cutting and notching. In exterior walls and bcaring partitions, any wood stud is perinitted to be cut or notched to a depth not exceeding 25 percent of its width. Cutting or notching of studs to a depth not greater than 4 0 percent of the width of the stud is permitted in nonbearing partitions supporting no loads other than the weight of the partition. [B] F101.3 Bored holes. A hole not greater in diameter than 4 0 pcr-cent of the st~tdwidth is permitted to bz borcd in any wood stud. Bored holes not greatcr than 60 percent of the width of the slud is pcnnitted in nonbearing partitions or in any wall where each borcd stud is doubled, provided not more than two such successive doubled studs arc so borcd. In no casc shall the edge of the bored holc be nearer than 0.625 inch mm) to the edge of the stud. Bored holes shall not be located at the same section of stud as a cut or notch.

[U] F101.4 Cutting, notching and boring holes in structural stcel framing. The cutting, notching and boring of holes in structural steel framing mcmbers shall be as prescribed by the registered dcsign professional.

[B] Fd01.5 Cutting, notching aald boring holes i n cold-formed steel framing. Flanges and lips of load-bearing cold-formcd stcel framing members shall not he cut or notched. Holes in wcbs of load-hearing cold-formed steel framing membcrs shall be permitted along the ccnterline of the web of the framing n~cmberand shall not exceed the dimensional limitations, penetration spacing or minimum hole edge distance as prescribed by the registered dcsign professional. C~ltting, notching and boring holes of stccl floorlroof decking shall be as prescribed by the rcgistcred design professio~ial. [B] F101.6 Cutting, notching and boring holes in nonstructural cold-formed steel wall framing. Flanges and lips of ~lonstructx~ral cold-formed steel wall studs shall not be cut or notched. Holcs in wcbs of nonstructural cold-foinlcd stcel wall studs shall be permitted along thc centerline of the web of the framing member. shall not exceed 1.5 inches (38 mm) in width or 4 inches (102 mm) in length, and the holes shall not be spaccd less than 24 inches (6 10 mm) ccntcr to center from another holc or less than 10 inches (254 mrn) from the bearing end. 2006 INTERNATIONAL PLUMBING CODE@

APPENDIX G

SECTION GI01 VACUUM DRAINAGE SYSTEM 6101.1 Scope. This appendix provides general guidelines for thc requircments for vacuum drainage systcms.

(2101.2 General requirements. G101.2.1 System design. Vacuunl drainage systems shall be designcd in accordance with manufacturer's recornmendatiuns. The system layour, including piping layout, tank assemblics, vacuum pump assembly and other componcnts/dcsigns necessary for proper function of the system shall bc per nlanufacturer's recommendations. Plans, spcciSications and other data for such systems shall be submitted to the local administrative authority for review and approval prior to installation. G101.2.2 Fixtures. Gravity-type fixtures used in vacuum drainage systems shall coinply with Chapter 4 of this code. (3101.2.3 Drainage fixture units. Fixture units for gravity drainage systcn~swhich discharge into or receive discharge from vacuuin drainage systems shall be based on values in Chapter 7 of this code. G101.2.4 Watcr supply fixture units. Water supply fixture units sl~allbe based on values in Chapter 6 of this code with thc addition that the fixture unit of a vacuum-type water closet shall bc "1 ." G101.2.5 Traps and cleanouts. Gravity-type fixtures shall be probidcd with traps and cleanouts in accordance with Chaptcrs 7 and 1 0 of this codc. G101.2.6 Materials. Vacuum drainage pipe, fitting and valve materials shall bc as recommended by the vacuum drainage sy stem nlanufacturer and as permitted by this code.