CHAPTER6

1 601. 0 Hot and Cold Wat er Require 1 Gener pt whe re not deem ed ne ce ss ar y forsa fet y or sani tat ion by the Author ity Havi ng Juri sd ic ti on ,eac h plum bi ng fixt ure shall be pr ovide d with an ade quatesup ply of po table ru nn ing wate r piped theret o in anap prove d ma nner, so arrange d as to flush and keep it in acl ean and sa nit ary conditionwithoutdanger of backfloworcross- conne ction. Water close ts and urinals shall be flushedby me ans of an approvedflush ta nk or flushometerva lve .Exception:Listed fix tu re s tha t do not requi re wat er forthe ir ope ra ti on and ar e not conne cted to the water occu pancie s wher e plu mbi ng fi xtu res are installedfor pri vat e use , hot wat er shall be req ui red for bathing,washi ng, la undry, coo king purposes,dishw ashing or main -te nanc e.

2 In oc cupancieswh ere plu mb in g fixtur es areins tal led for public use , hot wa ter sha ll be requiredforbathin g and wa shi ng purp oses . Thi s require ment shall notsupe rse de the requi rementsfor individualte mpe rature con -trol li mit ati ons for publ ic la va tor ies , bi dets ,bat ht ubs ,whir lpool ba tht ubs and showe r control va Iden tific ation of aPotabl ean dNon -pota bl eWat er Sy bui ldi ngs where potabl e water an dnon -pota ble water syst ems are insta lle d, eac h system shallbe cle arly iden tif ied in accord ance with Se cti ons60 .1thr ough Se 2. 1 Potabl eWat backg rou nd withwhi te letteri 2. 2 Color and Inf orm at ch syste m shallbe id ent ifi ed wi th a colo red pip e or ba nd and co dedwit h pai nts, wraps ,and ma teri als com pat ibl e wit h thepi ept as requi red in Se ction s 1610.

3 0 and , non -pot abl e wat er syst ems shal l have a ye l-low ba ckgro und wit h black up percase let tering, withthe words CAUT IO N: NON -PO TABL E WAT ER,DO NOT DRI NK . Eac h non -pot abl e syste m shal l beident if ie d to designatethe liquid being conveyed,andthe dir ect ion of norma l flow shall be cle ar ly show mini mum size of the letters and le ngth of the colorfie ld sha ll confor m tocom pl y wi thTabl e e backgrou nd colo r and req uire d in forma tionsha ll be ind icated every twenty (20)feet (6 ,09 6 mm )but not less tha n once per room, and shall be visibl efrom the fl oor level .601 . Al ter nat eWa ter Sourc es.

4 Al te rna tewa te r source syst ems sha ll ha ve a purple (Pa ntonecol or No. 512, 522C, or equiva le nt) bac kgroundwit h bla ck upperc ase le tte ring and sha ll befi el d orfa ct oryma rked as fol lows:(1)Gra y Wate r Sy ste ms. Gray water sy ste mssha ll be mark ed in acco rda nce with this sec-tion wi th the words CAU TI ON: NON-POTAB LE WATER, DO NOT DRINK. (2)Rec la imed (Re cy cle d) Water cl aim ed (r ec ycl ed ) wa ter syst ems shal l bema rke d in acco rda nce wit h th is sec tio n withthe wor ds: CA UTI ON: NON -POT ABL EREC LAI MED (REC YCLED ) WATE R, DONOT DRINK. (3)On -Sit e Trea ted Wat er Syste ms. On- sitetr eat ed wate r syste ms sha ll be ma rked inacc ordan ce with th is se ction with the wo rd s: CAUTION: ON -SITE TREATEDNON -POTAB LE WATER, DO NOT DRINK.

5 (4)Rainwat er Cat chm ent Syst em s. Ra inwa te rcatch ment systems shall be ma rke d in acc or-da nce wit h th is sect ion with th e wo rd s: CA U-TI ON: NO N-POTABLE RAI NWATE RWA TER , DO NOT DRIN K. 60 1. 2. 3Fi xt ures .Wher e vacu um bre ak ers or bac k-flo w pr eve nt ers are inst al led with fi xtur es liste d inTabl e 14 , ident if ic at ion of the dischargesideshal l be per mi tted to be om 1. 2. 4 Out let ch out le t on the nonpotablewaterlin e tha t is us ed for special purpo ses shall be poste dwi th bl ac k upperc ase let teri ng as fol lows: CAUTION:NO N-POTAB LE WA TER, DO NO T DRINK. 601. 3 Fauc et s and di vert er s shal l be conne cted to the waterdi st ri but ion syste m so that hot wat er correspondsto the leftsi de of the fi tt 0 Unl awful Connect Prohibi ted Ins talla tio ins tall atio n of po ta blewate r sup pl y pip ing or part the reo f sha ll be ma de in such amann er th at it wi ll be poss ible for used , uncle an , pollu ted , or109 UNIFORM PLUMBING CODECHAPTER 6 WATER SUPPLY AND DI STRI BUT IONOU TSID EDIAMET ER OFPIP EOR COVER INGMIN IMUMLENG THOFCOL ORFIELDMINI MUM SI ZE OFLETT ER Sinches(mm)inc hes(mm)inc he s(mm)1 2to11 4(15 to 32)8(203)1 2( )11 2to 2(40 to 50)8(203)3 4( )21 2to 6(65 to 150)12(305)11 4(32)

6 8 to 10(200 to 250)24(610)21 2(64)Ove r 10(Ove r 250)32(813)31 2(89)For SI units: 1 inch = mmTABLE LENGTH OF COLOR FIELD AND SIZE OF LETTERSUNIFORM PLUMBING CODEWATER SUPPLY AND DISTRIBUTION110co nt ami na ted water, mix tu res, or su bst ances to ent er anyapo rt io n of such piping from an yatan k, recept or, equ ip ment,or pl um bi ng fixture by reason of back -si phonage,sucti on, oran yother cause, ei ther duri ng norm al us e and ope rationth er eof, or whenwhe rean ysuch tan k, recept or, equ ip ment,or pl um bi ng fixture is floo ded or su bj ect to pressureexceed -in g th e op erating press ure in the ho t or co ld wat er Co ntam inatio pe rson sha ll make aco nn ection or allow one (1)

7 To exi st be tw een pi pes or con -du it s carryingdomesticwater su ppl ied by anyapu bl ic orpr iv at e water se rvic ebuildin g suppl ysyst em , and an ypipes, cond uits, or fixtur es conta ining or ca rrying waterfr om an y other sourc e or contai ni ng or carry in g water thatha s been used for anyapu rp ose wha ts oe ve r, or anypi pi ngca rr yi ng chemi cals, liquids,gase s, or anysubst anceswhats oever, unless the re is prov ided a bac kflow preven -ti on device approvedfor the pot enti al haz ard and main -tai ned in accordance with thi s code. Each poi nt of usesh al l be sepa ra tely protectedwhen po te nt ial cros s-co ntam -ina ti on of individualunits exists.

8 Backf low Preve ntio plu mb in g fixt ure,dev ic e, or cons truc tion shall be insta ll ed or ma intainedorshall be connec ted to anyadom es ti c water sup ply whe nwhe resuch inst al la ti on or connec tion pr ovide s a possibilityof pollutingsuch wat er supply or cr oss-connection betw eena distribu ting systemof water fo r drin kin g and do mes ticpur po se s and water th at becomesconta mina ted by suc hpl umb ing fixture,dev ice, or con stru ction unless there ispr ovided a backflowprevention dev ice ap pro ve d for thepote ntia l haz ar Approv al by Aut wa ter pi pi ng suppl iedby anyapriva te wat er suppl y syste m shall be connec ted toan y oth er so urce of supplywith out the ap pro val of theAuthor ity Havi ng Juri sdiction,He alth Depa rtm ent, or othe rde partmentha ving Cross-Conne ct ion Cont Gen er al.

9 Cr oss -con ne ct ion cont ro l shal l be pr o-vide d in acc or danc e with the provisionsof this cha pte person sha ll install anyawat er- opera te d equi pm entor me chanism, or use anyawa ter-t re at ing che mic al or sub -st ance, ifwh ereit is fo und tha t su ch equ ipm ent, me cha -nism, chemical,or substancecauses po llution or cont ami -nation of th e domesticwater sup ply. Suc h eq uip ment ormech an ism sha ll be permittedon lywh enwhe reeq ui pp edwith an appr oved backflowpr eventiondevice or asse 12 Approv al of De vi ces or Asse foreanyade vi ce or asse mbl y is installedfor the preve ntion ofba ckflow,it shal l have first been appr ov ed by the Author ityHa ving Jur isdic ti on.

10 Devicesor asse mb lie s shall be testedfor con formit y wit h recognizedsta ndards or other standa rdsaccepta ble to the Aut hority Havi ng Jur isdic tion. Bac kflowpr eventiondevi ce s and assembliesshall complywith Ta ble6 2603. 2, exc ept for spe cif ic appl ic ati ons and provi si onsas stated in Se ct ion thr ough Sec ti ces or asse mbl ies inst al le d in a potablewater sup -ply syste m for pr ote ction again st bac kf lo w sha ll be ma in -taine d in good worki ng condi tion by the person or personshavi ng cont rol of suc h devi ce s or devicesor asse mblies sha ll be test ed at the time of in stalla tion,re pai r, or rel oca tion and not less than on an annual scheduleth ere aft er, or mor e ofte n wh enwh erere qu ired by theAut hori ty Havi ng Jur isdi ct ion.