Attachment 11 - Addendum-01_Phase 2B_Spec_22 00 00_Plumbing-General-Purpose.pdf

Desi gn New HVAC Syst em and Associ at ed Upgr ades B001 & B001A 5923EPHASE2B

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PLUMBI NG, GENERAL PURPOSE

11/ 15, CHG 4: 05/ 21

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN NATI ONAL STANDARDS I NSTI TUTE ( ANSI )

ANSI Z21. 22/ CSA 4. 4 ( 2015; R 2020) Rel i ef Val ves f or Hot Wat er Suppl y Syst ems

AMERI CAN SOCI ETY OF MECHANI CAL ENGI NEERS ( ASME)

ASME B1. 20. 1 ( 2013; R 2018) Pi pe Thr eads, Gener al Pur pose ( I nch)

ASME B16. 34 ( 2021) Val ves - Fl anged, Thr eaded and Wel di ng End

ASME CSD- 1 ( 2021) Cont r ol and Saf et y Devi ces f or Aut omat i cal l y Fi r ed Boi l er s

AMERI CAN WATER WORKS ASSOCI ATI ON ( AWWA)

AWWA 10084 ( 2017) St andar d Met hods f or t he Exami nat i on of Wat er and Wast ewat er

AWWA C606 ( 2022) Gr ooved and Shoul der ed Joi nt s

AWWA C651 ( 2014) St andar d f or Di s i nf ect i ng Wat er Mai ns

AWWA C652 ( 2019) Di s i nf ect i on of Wat er - St or age Faci l i t i es

I NTERNATI ONAL CODE COUNCI L ( I CC)

I CC I PC ( 2024) I nt er nat i onal Pl umbi ng Code

MANUFACTURERS STANDARDI ZATI ON SOCI ETY OF THE VALVE AND FI TTI NGS

I NDUSTRY ( MSS)

MSS SP- 58 ( 2018) Pi pe Hanger s and Suppor t s - Mat er i al s, Desi gn and Manuf act ur e, Sel ect i on, Appl i cat i on, and I nst al l at i on

MSS SP- 85 ( 2011) Gr ay I r on Gl obe & Angl e Val ves Fl anged and Thr eaded Ends

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 90A ( 2024) St andar d f or t he I nst al l at i on of

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MARCH 5, 2026

Ai r Condi t i oni ng and Vent i l at i ng Syst ems

PLASTI C PI PE AND FI TTI NGS ASSOCI ATI ON ( PPFA)

PPFA Fi r e Man ( 2016) Fi r est oppi ng: Pl ast i c Pi pe i n Fi r e Resi st i ve Const r uct i on

1. 2 SUBMI TTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" or " S" c l assi f i cat i on. Submi t t al s not havi ng a " G" or " S" c l assi f i cat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

Pl umbi ng Syst em; G

Det ai l dr awi ngs consi st i ng of schedul es, per f or mance char t s, i nst r uct i ons, di agr ams, and ot her i nf or mat i on t o i l l ust r at e t he r equi r ement s and oper at i ons of syst ems t hat ar e not cover ed by t he Pl umbi ng Code. Det ai l dr awi ngs f or t he compl et e pl umbi ng syst em i ncl udi ng pi pi ng l ayout s and l ocat i ons of connect i ons; di mensi ons f or r oughi ng- i n, f oundat i on, and suppor t poi nt s; schemat i c di agr ams and wi r i ng di agr ams or connect i on and i nt er connect i on di agr ams. Det ai l dr awi ngs shal l i ndi cat e c l ear ances r equi r ed f or mai nt enance and oper at i on. Wher e pi pi ng and equi pment ar e t o be suppor t ed ot her t han as i ndi cat ed, det ai l s shal l i ncl ude l oadi ngs and pr oposed suppor t met hods. Mechani cal dr awi ng pl ans, el evat i ons, v i ews, and det ai l s, shal l be dr awn t o scal e.

SD- 03 Pr oduct Dat a

Recycl ed Cont ent f or St eel Pi pe; S

Backf l ow Pr event i on Assembl i es; G

Fi xt ur es

Li st of i nst al l ed f i x t ur es wi t h manuf act ur er , model , and f l ow r at e.

Labor at or y Si nks

Pl umbi ng Syst em

Di agr ams, i nst r uct i ons, and ot her sheet s pr oposed f or post i ng.

Manuf act ur er ' s r ecommendat i ons f or t he i nst al l at i on of bel l and spi got and hubl ess j oi nt s f or cast i r on soi l pi pe.

SD- 06 Test Repor t s

Test s, Fl ushi ng and Di si nf ect i on

Test r epor t s i n bookl et f or m showi ng al l f i el d t est s per f or med t o adj ust each component and al l f i el d t est s per f or med t o pr ove compl i ance wi t h t he speci f i ed per f or mance cr i t er i a, compl et i on and t est i ng of t he i nst al l ed syst em. Each t est r epor t shal l i ndi cat e t he f i nal posi t i on of cont r ol s.

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Test of Backf l ow Pr event i on Assembl i es; G.

Cer t i f i cat i on of pr oper oper at i on shal l be as accompl i shed i n accor dance wi t h st at e r egul at i ons by an i ndi v i dual cer t i f i ed by t he st at e t o per f or m such t est s. I f no st at e r equi r ement exi st s, t he Cont r act or shal l have t he manuf act ur er ' s r epr esent at i ve t est t he devi ce, t o ensur e t he uni t i s pr oper l y i nst al l ed and per f or mi ng as i nt ended. The Cont r act or shal l pr ovi de wr i t t en document at i on of t he t est s per f or med and si gned by t he i ndi v i dual per f or mi ng t he t est s.

SD- 07 Cer t i f i cat es

Mat er i al s and Equi pment

Wher e equi pment i s speci f i ed t o conf or m t o r equi r ement s of t he ASME Boi l er and Pr essur e Vessel Code, t he desi gn, f abr i cat i on, and i nst al l at i on shal l conf or m t o t he code.

SD- 10 Oper at i on and Mai nt enance Dat a

Pl umbi ng Syst em; G

Submi t i n accor dance wi t h Sect i on 01 78 23 OPERATI ON AND

MAI NTENANCE DATA.

1. 3 STANDARD PRODUCTS

Speci f i ed mat er i al s and equi pment shal l be st andar d pr oduct s of a manuf act ur er r egul ar l y engaged i n t he manuf act ur e of such pr oduct s.

Speci f i ed equi pment shal l essent i al l y dupl i cat e equi pment t hat has per f or med sat i sf act or i l y at l east t wo year s pr i or t o bi d openi ng.

St andar d pr oduct s shal l have been i n sat i sf act or y commer ci al or i ndust r i al use f or 2 year s pr i or t o bi d openi ng. The 2- year use shal l i ncl ude appl i cat i ons of equi pment and mat er i al s under s i mi l ar c i r cumst ances and of s i mi l ar s i ze. The pr oduct shal l have been f or sal e on t he commer ci al mar ket t hr ough adver t i sement s, manuf act ur er s ' cat al ogs, or br ochur es dur i ng t he 2 year per i od.

1. 3. 1 Al t er nat i ve Qual i f i cat i ons

Pr oduct s havi ng l ess t han a t wo- year f i el d ser vi ce r ecor d wi l l be accept abl e i f a cer t i f i ed r ecor d of sat i sf act or y f i el d oper at i on f or not l ess t han 6000 hour s, excl usi ve of t he manuf act ur er ' s f act or y or l abor at or y t est s, can be shown.

1. 3. 2 Modi f i cat i on of Ref er ences

I n each of t he publ i cat i ons r ef er r ed t o her ei n, consi der t he advi sor y pr ovi s i ons t o be mandat or y, as t hough t he wor d, " shal l " had been subst i t ut ed f or " shoul d" wher ever i t appear s. I nt er pr et r ef er ences i n t hese publ i cat i ons t o t he " aut hor i t y havi ng j ur i sdi ct i on" , or wor ds of s i mi l ar meani ng, t o mean t he Cont r act i ng Of f i cer .

1. 3. 2. 1 Def i ni t i ons

For t he I nt er nat i onal Code Counci l ( I CC) Codes r ef er enced i n t he cont r act document s, advi sor y pr ovi s i ons shal l be consi der ed mandat or y, t he wor d

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" shoul d" shal l be i nt er pr et ed as " shal l . " Ref er ence t o t he " code of f i c i al " shal l be i nt er pr et ed t o mean t he " Cont r act i ng Of f i cer . " For Navy owned pr oper t y, r ef er ences t o t he " owner " shal l be i nt er pr et ed t o mean t he " Cont r act i ng Of f i cer . " For l eased f aci l i t i es, r ef er ences t o t he " owner " shal l be i nt er pr et ed t o mean t he " l essor . " Ref er ences t o t he " per mi t hol der " shal l be i nt er pr et ed t o mean t he " Cont r act or . "

1. 3. 2. 2 Admi ni st r at i ve I nt er pr et at i ons

For I CC Codes r ef er enced i n t he cont r act document s, t he pr ovi s i ons of Chapt er 1, " Admi ni st r at or , " do not appl y. These admi ni st r at i ve r equi r ement s ar e cover ed by t he appl i cabl e Feder al Acqui s i t i on Regul at i ons ( FAR) i ncl uded i n t hi s cont r act and by t he aut hor i t y gr ant ed t o t he Of f i cer i n Char ge of Const r uct i on t o admi ni st er t he const r uct i on of t hi s pr oj ect . Ref er ences i n t he I CC Codes t o sect i ons of Chapt er 1, shal l be appl i ed appr opr i at el y by t he Cont r act i ng Of f i cer as aut hor i zed by hi s admi ni st r at i ve cogni zance and t he FAR.

1. 4 DELI VERY, STORAGE, AND HANDLI NG

Handl e, st or e, and pr ot ect equi pment and mat er i al s t o pr event damage bef or e and dur i ng i nst al l at i on i n accor dance wi t h t he manuf act ur er ' s r ecommendat i ons, and as appr oved by t he Cont r act i ng Of f i cer . Repl ace damaged or def ect i ve i t ems.

1. 5 REGULATORY REQUI REMENTS

Unl ess ot her wi se r equi r ed her ei n, pl umbi ng wor k shal l be i n accor dance wi t h I CC I PC.

1. 6 I NSTRUCTI ON TO GOVERNMENT PERSONNEL

When speci f i ed i n ot her sect i ons, f ur ni sh t he ser vi ces of compet ent i nst r uct or s t o gi ve f ul l i nst r uct i on t o t he desi gnat ed Gover nment per sonnel i n t he adj ust ment , oper at i on, and mai nt enance, i ncl udi ng per t i nent saf et y r equi r ement s, of t he speci f i ed equi pment or syst em.

I nst r uct or s shal l be t hor oughl y f ami l i ar wi t h al l par t s of t he i nst al l at i on and shal l be t r ai ned i n oper at i ng t heor y as wel l as pr act i cal oper at i on and mai nt enance wor k.

I nst r uct i on shal l be gi ven dur i ng t he f i r st r egul ar wor k week af t er t he equi pment or syst em has been accept ed and t ur ned over t o t he Gover nment f or r egul ar oper at i on. The number of man- days ( 8 hour s per day) of i nst r uct i on f ur ni shed shal l be as speci f i ed i n t he i ndi v i dual sect i on.

When mor e t han 4 man- days of i nst r uct i on ar e speci f i ed, use appr oxi mat el y hal f of t he t i me f or c l assr oom i nst r uct i on. Use ot her t i me f or i nst r uct i on wi t h t he equi pment or syst em.

When si gni f i cant changes or modi f i cat i ons i n t he equi pment or syst em ar e made under t he t er ms of t he cont r act , pr ovi de addi t i onal i nst r uct i on t o acquai nt t he oper at i ng per sonnel wi t h t he changes or modi f i cat i ons.

1. 7 ACCESSI BI LI TY OF EQUI PMENT

I nst al l al l wor k so t hat par t s r equi r i ng per i odi c i nspect i on, oper at i on, mai nt enance, and r epai r ar e r eadi l y accessi bl e. I nst al l conceal ed val ves, expansi on j oi nt s, cont r ol s, damper s, and equi pment r equi r i ng access, i n l ocat i ons f r eel y accessi bl e t hr ough access door s.

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PART 2 PRODUCTS

2. 1 PI PE AND FI TTI NGS

2. 1. 1 Dei oni zed Wat er Pi pi ng

Pr ovi de 316L s t ai nl ess st eel pi pe and fittings for the deionized water system. Pipe shall conform to ASTM A312/A312M, schedule 40, iron pipe size.

Fittings shall conform to ASTM A403/A403M, type 316L. Joints for deionized water piping shall be welded. Press-fit fittings shall not be permitted.

2 . 1. 2 Pi pe Joi nt Mat er i al s

Joi nt s and gasket mat er i al s shal l conf or m t o t he f ol l owi ng:

a. Coupl i ng f or St ai nl ess St eel Pi pe: AWWA C606.

2. 1. 3 Pi pe I nsul at i on Mat er i al

I nsul at i on shal l be as speci f i ed i n Sect i on 23 07 00 THERMAL I NSULATI ON

FOR MECHANI CAL SYSTEMS.

2. 2 PI PE HANGERS, I NSERTS, AND SUPPORTS

Pi pe hanger s, i nser t s, and suppor t s shal l conf or m t o MSS SP- 58.

2. 3 VALVES

Val ves shal l be pr ovi ded on suppl i es t o equi pment and f i xt ur es. Val ves 2- 1/ 2 i nches and smal l er shal l be br onze wi t h t hr eaded bodi es f or pi pe and sol der - t ype connect i ons f or t ubi ng. Pr essur e r at i ngs shal l be based upon t he appl i cat i on. Gr ooved end val ves may be pr ovi ded i f t he manuf act ur er cer t i f i es t hat t he val ves meet t he per f or mance r equi r ement s of appl i cabl e MSS st andar d. Val ves shal l conf or m t o t he f ol l owi ng st andar ds:

Descr i pt i on St andar d

St eel Val ves, Socket Wel di ng and Thr eaded Ends

ASME B16. 34

Cast - I r on Gl obe and Angl e Val ves, Fl anged and Thr eaded Ends

MSS SP- 85

Temper at ur e and Pr essur e Rel i ef Val ves f or Hot Wat er Suppl y Syst ems

ANSI Z21. 22/ CSA 4. 4

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Temper at ur e and Pr essur e Rel i ef Val ves f or Aut omat i cal l y Fi r ed Hot Wat er Boi l er s

ASME CSD- 1

Saf et y Code No. , Par t CW, Ar t i c l e 5

2. 4 MI SCELLANEOUS PI PI NG I TEMS

2. 4. 1 Escut cheon Pl at es

Pr ovi de one pi ece or spl i t hi nge met al pl at es f or pi pi ng ent er i ng f l oor s, wal l s, and cei l i ngs i n exposed spaces. Pr ovi de chr omi um- pl at ed on copper al l oy pl at es or pol i shed st ai nl ess st eel f i ni sh i n f i ni shed spaces.

Pr ovi de pai nt f i ni sh on pl at es i n unf i ni shed spaces.

2. 4. 2 Pi pe Sl eeves

Pr ovi de wher e pi pi ng passes ent i r el y t hr ough wal l s, cei l i ngs, r oof s, and f l oor s. Sl eeves ar e not r equi r ed wher e suppl y dr ai n, wast e, and vent ( DWV) pi pi ng passes t hr ough concr et e f l oor s l abs l ocat ed on gr ade, except wher e penet r at i ng a membr ane wat er pr oof f l oor .

2. 4. 3 Pi pe Hanger s ( Suppor t s)

Pr ovi de MSS SP- 58 Type 1 wi t h adj ust abl e t ype st eel suppor t r ods, except as speci f i ed or i ndi cat ed ot her wi se. At t ach t o st eel j oi st s wi t h Type 19 or 23 cl amps and r et ai ni ng st r aps. At t ach t o St eel W or S beams wi t h Type 21, 28, 29, or 30 cl amps. At t ach t o st eel angl es and ver t i cal web st eel channel s wi t h Type 20 cl amp wi t h beam cl amp channel adapt er . At t ach t o hor i zont al web st eel channel and wood wi t h dr i l l ed hol e on cent er l i ne and doubl e nut and washer . At t ach t o concr et e wi t h Type 18 i nser t or dr i l l ed expansi on anchor . Pr ovi de Type 40 i nsul at i on pr ot ect i on shi el d f or i nsul at ed pi pi ng.

2. 4. 4 Namepl at es

Pr ovi de 0. 125 i nch t hi ck mel ami ne l ami nat ed pl ast i c namepl at es, bl ack mat t e f i ni sh wi t h whi t e cent er cor e, f or equi pment , gages, t her momet er s, and val ves; val ves i n suppl i es t o f aucet s wi l l not r equi r e namepl at es.

Accur at el y al i gn l et t er i ng and engr ave mi ni mum of 0. 25 i nch hi gh nor mal bl ock l et t er i ng i nt o t he whi t e cor e. Mi ni mum si ze of namepl at es shal l be

1. 0 by 2. 5 i nches. Key namepl at es t o a char t and schedul e f or each syst em. Fr ame char t s and schedul es under gl ass and pl ace wher e di r ect ed near each syst em. Fur ni sh t wo copi es of each char t and schedul e.

PART 3 EXECUTI ON

3. 1 GENERAL I NSTALLATI ON REQUI REMENTS

Pi pi ng l ocat ed i n ai r pl enums shal l conf or m t o NFPA 90A r equi r ement s.

Pi pi ng l ocat ed i n shaf t s t hat const i t ut e ai r duct s or t hat encl ose ai r duct s shal l be noncombust i bl e i n accor dance wi t h NFPA 90A. I nst al l at i on of pl ast i c pi pe wher e i n compl i ance wi t h NFPA may be i nst al l ed i n accor dance wi t h PPFA Fi r e Man. The pl umbi ng syst em shal l be i nst al l ed compl et e wi t h necessar y f i x t ur es, f i t t i ngs, t r aps, val ves, and accessor i es. Wat er and dr ai nage pi pi ng shal l be ext ended 5 f eet out si de t he bui l di ng, unl ess ot her wi se i ndi cat ed. A bal l val ve and dr ai n shal l be i nst al l ed on t he wat er ser vi ce l i ne i nsi de t he bui l di ng appr oxi mat el y 6 i nches above t he f l oor f r om poi nt of ent r y. Pi pi ng shal l be connect ed t o

SECTI ON 22 00 00 Page 6 ADDENDUM #1 t he ext er i or ser vi ce l i nes or capped or pl ugged i f t he ext er i or ser vi ce i s not i n pl ace. Sewer and wat er pi pes shal l be l ai d i n separ at e t r enches, except when ot her wi se shown.

3. 1. 1 Wat er Pi pe, Fi t t i ngs, and Connect i ons

3. 1. 1. 1 Ut i l i t i es

The pi pi ng shal l be ext ended t o f i x t ur es, out l et s, and equi pment . The hot - wat er and col d- wat er pi pi ng syst em shal l be ar r anged and i nst al l ed t o per mi t dr ai ni ng. The suppl y l i ne t o each i t em of equi pment or f i x t ur e, except f aucet s, f l ush val ves, or ot her cont r ol val ves whi ch ar e suppl i ed wi t h i nt egr al st ops, shal l be equi pped wi t h a shut of f val ve t o enabl e i sol at i on of t he i t em f or r epai r and mai nt enance wi t hout i nt er f er i ng wi t h oper at i on of ot her equi pment or f i x t ur es. Suppl y pi pi ng t o f i x t ur es, f aucet s, hydr ant s, shower heads, and f l ushi ng devi ces shal l be anchor ed t o pr event movement .

3. 1. 1. 2 Cut t i ng and Repai r i ng

The wor k shal l be car ef ul l y l ai d out i n advance, and unnecessar y cut t i ng of const r uct i on shal l be avoi ded. Damage t o bui l di ng, pi pi ng, wi r i ng, or equi pment as a r esul t of cut t i ng shal l be r epai r ed by mechani cs ski l l ed i n t he t r ade i nvol ved.

3. 1. 2 Joi nt s

I nst al l at i on of pi pe and f i t t i ngs shal l be made i n accor dance wi t h t he manuf act ur er ' s r ecommendat i ons. Mi t er i ng of j oi nt s f or el bows and not chi ng of st r ai ght r uns of pi pe f or t ees wi l l not be per mi t t ed. Joi nt s shal l be made up wi t h f i t t i ngs of compat i bl e mat er i al and made f or t he speci f i c pur pose i nt ended.

3. 1. 2. 1 Thr eaded

Thr eaded j oi nt s shal l have Amer i can St andar d t aper pi pe t hr eads conf or mi ng t o ASME B1. 20. 1. Onl y mal e pi pe t hr eads shal l be coat ed wi t h gr aphi t e or wi t h an appr oved gr aphi t e compound, or wi t h an i ner t f i l l er and oi l , or shal l have a pol yt et r af l uor oet hyl ene t ape appl i ed.

3. 1. 2. 2 Mechani cal Coupl i ngs

Mechani cal coupl i ngs may be used i n conj unct i on wi t h gr ooved pi pe f or abovegr ound, f er r ous or non- f er r ous, domest i c hot and col d wat er syst ems, i n l i eu of uni ons, br azed, sol der ed, wel ded, f l anged, or t hr eaded j oi nt s.

Mechani cal coupl i ngs ar e per mi t t ed i n accessi bl e l ocat i ons i ncl udi ng behi nd access pl at es. Fl exi bl e gr ooved j oi nt s wi l l not be per mi t t ed, except as v i br at i on i sol at or s adj acent t o mechani cal equi pment . Ri gi d gr ooved j oi nt s shal l i ncor por at e an angl e bol t pad desi gn whi ch mai nt ai ns met al - t o- met al cont act wi t h equal amount of pad of f set of housi ngs upon i nst al l at i on t o ensur e posi t i ve r i gi d c l ampi ng of t he pi pe.

Desi gns whi ch can onl y c l amp on t he bot t om of t he gr oove or whi ch ut i l i ze gr i ppi ng t eet h or j aws, or whi ch use mi sal i gned housi ng bol t hol es, or whi ch r equi r e a t or que wr ench or t or que speci f i cat i ons wi l l not be per mi t t ed.

Gr ooved f i t t i ngs and coupl i ngs, and gr oovi ng t ool s shal l be pr ovi ded f r om

SECTI ON 22 00 00 Page 7 ADDENDUM #1 t he same manuf act ur er . Segment al l y wel ded el bows shal l not be used.

Gr ooves shal l be pr epar ed i n accor dance wi t h t he coupl i ng manuf act ur er ' s l at est publ i shed st andar ds. Gr oovi ng shal l be per f or med by qual i f i ed gr oovi ng oper at or s havi ng demonst r at ed pr oper gr oovi ng pr ocedur es i n accor dance wi t h t he t ool manuf act ur er ' s r ecommendat i ons.

The Cont r act i ng Of f i cer shal l be not i f i ed 24 hour s i n advance of t est t o demonst r at e oper at or ' s capabi l i t y , and t he t est shal l be per f or med at t he wor k s i t e, i f pr act i cal , or at a s i t e agr eed upon. The oper at or shal l demonst r at e t he abi l i t y t o pr oper l y adj ust t he gr oovi ng t ool , gr oove t he pi pe, and t o ver i f y t he gr oove di mensi ons i n accor dance wi t h t he coupl i ng manuf act ur er ' s speci f i cat i ons.

3. 1. 3 Di ssi mi l ar Pi pe Mat er i al s

Connect i ons bet ween f er r ous and non- f er r ous copper wat er pi pe shal l be made wi t h di el ect r i c uni ons or f l ange wat er ways. Di el ect r i c wat er ways shal l have t emper at ur e and pr essur e r at i ng equal t o or gr eat er t han t hat speci f i ed f or t he connect i ng pi pi ng. Wat er ways shal l have met al connect i ons on bot h ends sui t ed t o mat ch connect i ng pi pi ng. Di el ect r i c wat er ways shal l be i nt er nal l y l i ned wi t h an i nsul at or speci f i cal l y desi gned t o pr event cur r ent f l ow bet ween di ssi mi l ar met al s. Di el ect r i c f l anges shal l meet t he per f or mance r equi r ement s descr i bed her ei n f or di el ect r i c wat er ways. Connect i ng j oi nt s bet ween pl ast i c and met al l i c pi pe shal l be made wi t h t r ansi t i on f i t t i ng f or t he speci f i c pur pose.

3. 1. 4 Suppor t s

3. 1. 4. 1 Gener al

Hanger s used t o suppor t pi pi ng 2 i nches and l ar ger shal l be f abr i cat ed t o per mi t adequat e adj ust ment af t er er ect i on whi l e st i l l suppor t i ng t he l oad. Pi pe gui des and anchor s shal l be i nst al l ed t o keep pi pes i n accur at e al i gnment , t o di r ect t he expansi on movement , and t o pr event buckl i ng, swayi ng, and undue st r ai n. Pi pi ng subj ect ed t o ver t i cal movement when oper at i ng t emper at ur es exceed ambi ent t emper at ur es shal l be suppor t ed by var i abl e spr i ng hanger s and suppor t s or by const ant suppor t hanger s. I n t he suppor t of mul t i pl e pi pe r uns on a common base member , a c l i p or c l amp shal l be used wher e each pi pe cr osses t he base suppor t member . Spaci ng of t he base suppor t member s shal l not exceed t he hanger and suppor t spaci ng r equi r ed f or an i ndi v i dual pi pe i n t he mul t i pl e pi pe r un. Thr eaded sect i ons of r ods shal l not be f or med or bent .

3. 1. 4. 2 Pi pe Hanger s, I nser t s, and Suppor t s

I nst al l at i on of pi pe hanger s, i nser t s and suppor t s shal l conf or m t o MSS SP- 58 except as modi f i ed her ei n.

a. Types 5, 12, and 26 shal l not be used.

b. Type 3 shal l not be used on i nsul at ed pi pe.

c. Type 18 i nser t s shal l be secur ed t o concr et e f or ms bef or e concr et e i s pl aced. Cont i nuous i nser t s whi ch al l ow mor e adj ust ment may be used i f t hey ot her wi se meet t he r equi r ement s f or t ype 18 i nser t s.

d. Type 19 and 23 C- cl amps shal l be t or qued per MSS SP- 58 and shal l have bot h l ocknut s and r et ai ni ng devi ces f ur ni shed by t he manuf act ur er .

Fi el d- f abr i cat ed C- cl amp bodi es or r et ai ni ng devi ces ar e not

SECTI ON 22 00 00 Page 8 ADDENDUM #1 accept abl e.

e. Type 20 at t achment s used on angl es and channel s shal l be f ur ni shed wi t h an added mal l eabl e- i r on heel pl at e or adapt er .

f . Type 24 may be used onl y on t r apeze hanger syst ems or on f abr i cat ed f r ames.

g. Type 39 saddl es shal l be used on i nsul at ed pi pe 4 i nches and l ar ger when t he t emper at ur e of t he medi um i s 60 degr ees F or hi gher . Type 39 saddl es shal l be wel ded t o t he pi pe.

h. Type 40 shi el ds shal l :

( 1) Be used on i nsul at ed pi pe l ess t han 4 i nches.

( 2) Be used on i nsul at ed pi pe 4 i nches and l ar ger when t he t emper at ur e of t he medi um i s 60 degr ees F or l ess.

( 3) Have a hi gh densi t y i nser t f or al l pi pe s i zes. Hi gh densi t y i nser t s shal l have a densi t y of 8 pcf or gr eat er .

i . Hor i zont al pi pe suppor t s shal l be spaced as speci f i ed i n MSS SP- 58 and a suppor t shal l be i nst al l ed not over 1 f oot f r om t he pi pe f i t t i ng j oi nt at each change i n di r ect i on of t he pi pi ng. Pi pe suppor t s shal l be spaced not over 5 f eet apar t at val ves. Oper at i ng t emper at ur es i n det er mi ni ng hanger spaci ng f or PVC or CPVC pi pe shal l be 120 degr ees F f or PVC and 180 degr ees F f or CPVC. Hor i zont al pi pe r uns shal l i ncl ude al l owances f or expansi on and cont r act i on.

j . Ver t i cal pi pe shal l be suppor t ed at each f l oor , except at s l ab- on- gr ade, at i nt er val s of not mor e t han 15 f eet nor mor e t han 8 f eet f r om end of r i ser s, and at vent t er mi nat i ons. Ver t i cal pi pe r i ser s shal l i ncl ude al l owances f or expansi on and cont r act i on.

k. Type 35 gui des usi ng st eel , r ei nf or ced pol yt et r af l uor oet hyl ene ( PTFE) or gr aphi t e s l i des shal l be pr ovi ded t o al l ow l ongi t udi nal pi pe movement . Sl i de mat er i al s shal l be sui t abl e f or t he syst em oper at i ng t emper at ur es, at mospher i c condi t i ons, and bear i ng l oads encount er ed.

Lat er al r est r ai nt s shal l be pr ovi ded as needed. Wher e st eel s l i des do not r equi r e pr ovi s i ons f or l at er al r est r ai nt t he f ol l owi ng may be used:

( 1) On pi pe 4 i nches and l ar ger when t he t emper at ur e of t he medi um i s 60 degr ees F or hi gher , a Type 39 saddl e, wel ded t o t he pi pe, may f r eel y r est on a st eel pl at e.

( 2) On pi pe l ess t han 4 i nches a Type 40 shi el d, at t ached t o t he pi pe or i nsul at i on, may f r eel y r est on a st eel pl at e.

( 3) On pi pe 4 i nches and l ar ger car r y i ng medi um l ess t hat 60 degr ees F a Type 40 shi el d, at t ached t o t he pi pe or i nsul at i on, may f r eel y r est on a st eel pl at e.

l . Pi pe hanger s on hor i zont al i nsul at ed pi pe shal l be t he s i ze of t he out si de di amet er of t he i nsul at i on. The i nsul at i on shal l be cont i nuous t hr ough t he hanger on al l pi pe s i zes and appl i cat i ons.

m. Wher e t her e ar e hi gh syst em t emper at ur es and wel di ng t o pi pi ng i s not desi r abl e, t he t ype 35 gui de shal l i ncl ude a pi pe cr adl e, wel ded t o

SECTI ON 22 00 00 Page 9 ADDENDUM #1 t he gui de st r uct ur e and st r apped secur el y t o t he pi pe. The pi pe shal l be separ at ed f r om t he sl i de mat er i al by at l east 4 i nches or by an amount adequat e f or t he i nsul at i on, whi chever i s gr eat er .

n. Hanger s and suppor t s f or pl ast i c pi pe shal l not compr ess, di st or t , cut or abr ade t he pi pi ng, and shal l al l ow f r ee movement of pi pe except wher e ot her wi se r equi r ed i n t he cont r ol of expansi on/ cont r act i on.

3. 2 ESCUTCHEONS

Escut cheons shal l be pr ovi ded at f i ni shed sur f aces wher e bar e or i nsul at ed pi pi ng, exposed t o v i ew, passes t hr ough f l oor s, wal l s, or cei l i ngs, except i n boi l er , ut i l i t y , or equi pment r ooms. Escut cheons shal l be f ast ened secur el y t o pi pe or pi pe cover i ng and shal l be sat i n- f i ni sh, cor r osi on- r esi st i ng st eel , pol i shed chr omi um- pl at ed zi nc al l oy, or pol i shed chr omi um- pl at ed copper al l oy. Escut cheons shal l be ei t her one- pi ece or spl i t - pat t er n, hel d i n pl ace by i nt er nal spr i ng t ensi on or set scr ew.

3. 3 TESTS, FLUSHI NG AND DI SI NFECTI ON

3. 3. 1 Pl umbi ng Syst em

The f ol l owi ng t est s shal l be per f or med on t he pl umbi ng syst em i n accor dance wi t h I CC I PC, except t hat t he dr ai nage and vent syst em f i nal t est shal l i ncl ude t he smoke t est . The Cont r act or has t he opt i on t o per f or m a pepper mi nt t est i n l i eu of t he smoke t est . I f a pepper mi nt t est i s chosen, t he Cont r act or must submi t a t est i ng pr ocedur e and r easons f or choosi ng t hi s opt i on i n l i eu of t he smoke t est t o t he Cont r act i ng Of f i cer f or appr oval .

a. Dr ai nage and Vent Syst ems Test . The f i nal t est shal l i ncl ude a smoke t est .

b. Bui l di ng Sewer s Test s.

c. Wat er Suppl y Syst ems Test s.

3. 3. 2 Def ect i ve Wor k

I f i nspect i on or t est shows def ect s, such def ect i ve wor k or mat er i al shal l be r epl aced or r epai r ed as necessar y and i nspect i on and t est s shal l be r epeat ed. Repai r s t o pi pi ng shal l be made wi t h new mat er i al s. Caul k i ng of scr ewed j oi nt s or hol es wi l l not be accept abl e.

3. 3. 3 Di s i nf ect i on

Af t er al l syst em component s ar e pr ovi ded and oper at i onal t est s ar e compl et e, t he ent i r e domest i c hot - and col d- wat er di st r i but i on syst em shal l be di s i nf ect ed. Bef or e i nt r oduci ng di s i nf ect i ng chl or i nat i on mat er i al , ent i r e syst em shal l be f l ushed wi t h pot abl e wat er unt i l any ent r ai ned di r t and ot her f or ei gn mat er i al s have been r emoved.

Wat er chl or i nat i on pr ocedur e shal l be i n accor dance wi t h AWWA C651 and AWWA C652 as modi f i ed and suppl ement ed by t hi s speci f i cat i on. The chl or i nat i ng mat er i al shal l be hypochl or i t es or l i qui d chl or i ne. The chl or i nat i ng mat er i al shal l be f ed i nt o t he wat er pi pi ng syst em at a const ant r at e at a concent r at i on of at l east 50 par t s per mi l l i on

SECTI ON 22 00 00 Page 10 ADDENDUM #1

( ppm) . Feed a pr oper l y adj ust ed hypochl or i t e sol ut i on i nj ect ed i nt o t he syst em wi t h a hypochl or i nat or , or i nj ect l i qui d chl or i ne i nt o t he syst em t hr ough a sol ut i on- f eed chl or i nat or and boost er pump unt i l t he ent i r e syst em i s compl et el y f i l l ed.

Test t he chl or i ne r esi dual l evel i n t he wat er at 6 hour i nt er val s f or a cont i nuous per i od of 24 hour s. I f at t he end of a 6 hour i nt er val , t he chl or i ne r esi dual has dr opped t o l ess t han 25 ppm, f l ush t he pi pi ng i ncl udi ng t anks wi t h pot abl e wat er , and r epeat t he above chl or i nat i on pr ocedur es. Dur i ng t he chl or i nat i on per i od, each val ve and f aucet shal l be opened and cl osed sever al t i mes.

Af t er t he second 24 hour per i od, ver i f y t hat no l ess t han 25 ppm chl or i ne r esi dual r emai ns i n t he t r eat ed syst em. The 24 hour chl or i nat i on pr ocedur e must be r epeat ed unt i l no l ess t han 25 ppm chl or i ne r esi dual r emai ns i n t he t r eat ed syst em.

Upon t he speci f i ed ver i f i cat i on, t he syst em i ncl udi ng t anks shal l t hen be f l ushed wi t h pot abl e wat er unt i l t he r esi dual chl or i ne l evel i s r educed t o l ess t han one par t per mi l l i on. Dur i ng t he f l ushi ng per i od, each val ve and f aucet shal l be opened and cl osed sever al t i mes.

Take addi t i onal sampl es of wat er i n di s i nf ect ed cont ai ner s, f or bact er i al exami nat i on, at l ocat i ons speci f i ed by t he Cont r act i ng Of f i cer . Test t hese sampl es f or t ot al col i f or m or gani sms ( col i f or m bact er i a, f ecal col i f or m, st r ept ococcal , and ot her bact er i a) i n accor dance wi t h AWWA 10084. The t est i ng met hod used shal l be EPA appr oved f or dr i nki ng wat er syst ems and shal l compl y wi t h appl i cabl e l ocal and st at e r equi r ement s.

Di s i nf ect i on shal l be r epeat ed unt i l bact er i al t est s i ndi cat e t he absence of col i f or m or gani sms ( zer o mean col i f or m densi t y per 100 mi l l i l i t er s) i n t he sampl es f or at l east 2 f ul l days. The syst em wi l l not be accept ed unt i l sat i sf act or y bact er i ol ogi cal r esul t s have been obt ai ned.

3. 4 POSTED I NSTRUCTI ONS

Fr amed i nst r uct i ons under gl ass or i n l ami nat ed pl ast i c, i ncl udi ng wi r i ng and cont r ol di agr ams showi ng t he compl et e l ayout of t he ent i r e syst em, shal l be post ed wher e di r ect ed. Condensed oper at i ng i nst r uct i ons expl ai ni ng pr event i ve mai nt enance pr ocedur es, met hods of checki ng t he syst em f or nor mal saf e oper at i on, and pr ocedur es f or saf el y st ar t i ng and st oppi ng t he syst em shal l be pr epar ed i n t yped f or m, f r amed as speci f i ed above f or t he wi r i ng and cont r ol di agr ams and post ed besi de t he di agr ams.

The f r amed i nst r uct i ons shal l be post ed bef or e accept ance t est i ng of t he syst ems.

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