23_05_15_COMMON_PIPING_FOR_HVAC.pdf

WEST POI NT ELEMENTARY SCHOOL REPLACEMENT W91236-15-D-0014

SECTI ON 23 05 15

COMMON PI PI NG FOR HVAC

02/14

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 I NSTI TUTE OF STEEL CONSTRUCTI ON ( AI SC)

AI SC 325 ( 2011) St eel Const r uct i on Manual

AMERI CAN NATI ONAL STANDARDS I NSTI TUTE ( ANSI )

ANSI Z21. 22/ CSA 4. 4 ( 2015) Rel i ef Val ves f or Hot Wat er Suppl y Systems

AMERI CAN SOCI ETY OF SANI TARY ENGI NEERI NG ( ASSE)

ASSE 1003 ( 2009) Per f or mance Requi r ement s f or Wat er Pr essur e Reduci ng Val ves f or Domest i c Wat er Di st r i but i on Syst ems - ( ANSI appr oved 2010)

ASSE 1017 ( 2009) Per f or mance Requi r ement s f or Temper at ur e Act uat ed Mi xi ng Val ves f or Hot Wat er Di st r i but i on Syst ems - ( ANSI appr oved 2010)

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS A5. 8/ A5. 8M ( 2011; Amendment 2012) Speci f i cat i on f or Fi l l er Met al s f or Br azi ng and Br aze Wel di ng

AWS WHB- 2. 9 ( 2004) Wel di ng Handbook; Vol ume 2, Wel di ng Pr ocesses, Par t 1

ASME I NTERNATI ONAL ( ASME)

ASME A112. 19. 2/ CSA B45. 1 ( 2013) St andar d f or Vi t r eous Chi na Pl umbi ng Fi xt ur es and Hydr aul i c Requi r ement s f or Wat er Cl oset s and Ur i nal s

ASME B16. 1 ( 2015) Gr ay I r on Pi pe Fl anges and Fl anged Fi t t i ngs Cl asses 25, 125, and 250

ASME B16. 11 ( 2011) For ged Fi t t i ngs, Socket - Wel di ng and Threaded

ASME B16. 22 ( 2013) St andar d f or Wr ought Copper and Copper Al l oy Sol der Joi nt Pr essur e Fi t t i ngs

ASME B16. 25 ( 2012) St andar d f or But t wel di ng Ends

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ASME B16. 3 ( 2011) Mal l eabl e I r on Thr eaded Fi t t i ngs, Cl asses 150 and 300

ASME B16. 39 ( 2014) St andar d f or Mal l eabl e I r on Thr eaded Pi pe Uni ons; Cl asses 150, 250, and 300

ASME B16. 5 ( 2013) Pi pe Fl anges and Fl anged Fi t t i ngs:

NPS 1/ 2 Thr ough NPS 24 Met r i c/ I nch St andar d

ASME B16. 9 ( 2012) St andar d f or Fact or y- Made Wr ought St eel But t wel di ng Fi t t i ngs

ASME B18. 10 ( 1982; R2000) Tr ack Bol t and Nut s

ASME B31. 3 ( 2012) Pr ocess Pi pi ng

ASME B36. 10M ( 2004; R 2010) St andar d f or Wel ded and Seaml ess Wr ought St eel Pi pe

ASME B40. 100 ( 2013) Pr essur e Gauges and Gauge Attachments

ASME BPVC SEC I X ( 2010) BPVC Sect i on I X- Wel di ng and Br azi ng Qualifications

ASME BPVC SEC VI I I D1 ( 2010) BPVC Sect i on VI I I - Rul es f or Const r uct i on of Pr essur e Vessel s Di v i s i on 1

ASTM I NTERNATI ONAL ( ASTM)

ASTM A105/ A105M ( 2014) St andar d Speci f i cat i on f or Car bon St eel For gi ngs f or Pi pi ng Appl i cat i ons

ASTM A126 ( 2004; R 2014) St andar d Speci f i cat i on f or Gr ay I r on Cast i ngs f or Val ves, Fl anges, and Pi pe Fi t t i ngs

ASTM A183 ( 2014) St andar d Speci f i cat i on f or Car bon St eel Tr ack Bol t s and Nut s

ASTM A193/ A193M ( 2015a) St andar d Speci f i cat i on f or Al l oy- St eel and St ai nl ess St eel Bol t i ng Mat er i al s f or Hi gh- Temper at ur e Ser vi ce and Ot her Speci al Pur pose Appl i cat i ons

ASTM A197/ A197M ( 2000; R 2011) St andar d Speci f i cat i on f or Cupol a Mal l eabl e I r on

ASTM A234/ A234M ( 2013; E 2014) St andar d Speci f i cat i on f or Pi pi ng Fi t t i ngs of Wr ought Car bon St eel and Al l oy St eel f or Moder at e and Hi gh Temper at ur e Ser v i ce

ASTM A276 ( 2013a) St andar d Speci f i cat i on f or St ai nl ess St eel Bar s and Shapes

ASTM A307 ( 2014) St andar d Speci f i cat i on f or Car bon

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St eel Bol t s and St uds, 60 000 PSI Tensi l e Strength

ASTM A312/ A312M ( 2014b) St andar d Speci f i cat i on f or Seaml ess, Wel ded, and Heavi l y Col d Wor ked Aust eni t i c St ai nl ess St eel Pi pes

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A53/ A53M ( 2012) St andar d Speci f i cat i on f or Pi pe, St eel , Bl ack and Hot - Di pped, Zi nc- Coat ed, Wel ded and Seaml ess

ASTM A563 ( 2015) St andar d Speci f i cat i on f or Car bon and Al l oy St eel Nut s

ASTM B117 ( 2011) St andar d Pr act i ce f or Oper at i ng Sal t Spr ay ( Fog) Appar at us

ASTM B32 ( 2008; R 2014) St andar d Speci f i cat i on f or Sol der Met al

ASTM B370 ( 2012) St andar d Speci f i cat i on f or Copper Sheet and St r i p f or Bui l di ng Const r uct i on

ASTM B62 ( 2015) St andar d Speci f i cat i on f or Composi t i on Br onze or Ounce Met al Cast i ngs

ASTM B749 ( 2003; R 2009) St andar d Speci f i cat i on f or Lead and Lead Al l oy St r i p, Sheet and Pl at e Products

ASTM B88 ( 2014) St andar d Speci f i cat i on f or Seaml ess Copper Wat er Tube

ASTM C553 ( 2013) St andar d Speci f i cat i on f or Mi ner al Fi ber Bl anket Ther mal I nsul at i on f or Commer ci al and I ndust r i al Appl i cat i ons

ASTM C920 ( 2014a) St andar d Speci f i cat i on f or El ast omer i c Joi nt Seal ant s

ASTM D2000 ( 2012) St andar d Cl assi f i cat i on Syst em f or Rubber Pr oduct s i n Aut omot i ve Appl i cat i ons

ASTM E1 ( 2014) St andar d Speci f i cat i on f or ASTM Li qui d- i n- Gl ass Ther momet er s

ASTM E814 ( 2013a) St andar d Test Met hod f or Fi r e Test s of Thr ough- Penet r at i on Fi r e St ops

ASTM F104 ( 2011) St andar d Cl assi f i cat i on Syst em f or Nonmet al l i c Gasket Mat er i al s

ASTM F2389 ( 2010) St andar d Speci f i cat i on f or Pr essur e- r at ed Pol ypr opyl ene ( PP) Pi pi ng Systems

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ASTM F844 ( 2007a; R 2013) Washer s, St eel , Pl ai n ( Fl at ) , Unhar dened f or Gener al Use

I NSTI TUTE OF ELECTRI CAL AND ELECTRONI CS ENGI NEERS ( I EEE)

I EEE C2 ( 2012; Er r at a 1 2012; I NT 1- 4 2012; Er r at a

2 2013; I NT 5- 7 2013; I NT 8- 10 2014; I NT

11 2015) Nat i onal El ect r i cal Saf et y Code

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

I NDUSTRY ( MSS)

MSS SP- 125 ( 2010) Gr ay I r on and Duct i l e I r on I n- Li ne, Spr i ng- Loaded, Cent er - Gui ded Check Val ves

MSS SP- 58 ( 1993; Reaf f i r med 2010) 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 Installation

MSS SP- 67 ( 2011) But t er f l y Val ves

MSS SP- 72 ( 2010a) Bal l Val ves wi t h Fl anged or But t - Wel di ng Ends f or Gener al Ser vi ce

MSS SP- 80 ( 2013) Br onze Gat e, Gl obe, Angl e and Check Valves

NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)

NEMA MG 1 ( 2014) Mot or s and Gener at or s

NEMA MG 10 ( 2013) Ener gy Management Gui de f or Sel ect i on and Use of Fi xed Fr equency Medi um AC Squi r r el - Cage Pol yphase I nduct i on Mot or s

NEMA MG 11 ( 1977; R 2012) Ener gy Management Gui de f or Sel ect i on and Use of Si ngl e Phase Mot or s

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

NFPA 70 ( 2014; AMD 1 2013; Er r at a 1 2013; AMD 2 2013; Er r at a 2 2013; AMD 3 2014; Er r at a 3- 4 2014; AMD 4- 6 2014) Nat i onal El ect r i cal Code

U. S. DEPARTMENT OF DEFENSE ( DOD)

MIL-C-18480 ( 1982; Rev B; Not i ce 2 2009) Coat i ng Compound, Bi t umi nous, Sol vent , Coal - Tar Base

U. S. GENERAL SERVI CES ADMI NI STRATI ON ( GSA)

CI D A- A- 1922 ( Rev A; Not i ce 2) Shi el d, Expansi on ( Caul k i ng Anchor s, Si ngl e Lead)

CI D A- A- 1923 ( Rev A; Not i ce 2) Shi el d, Expansi on ( Lag, SECTI ON 23 05 15 Page 4

Machi ne and Ext er nal l y Thr eaded Wedge Bol t Anchors)

CI D A- A- 1924 ( Rev A; Not i ce 2) Shi el d, Expansi on ( Sel f Dr i l l i ng Tubul ar Expansi on Shel l Bol t Anchors

CI D A- A- 1925 ( Rev A; Not i ce 2) Shi el d Expansi on ( Nai l Anchors)

CI D A- A- 55614 ( Basi c; Not i ce 2) Shi el d, Expansi on ( Non- Dr i l l i ng Expansi on Anchor s)

CI D A- A- 55615 ( Basi c; Not i ce 2) Shi el d, Expansi on ( Wood Scr ew and Lag Bol t Sel f - Thr eadi ng Anchor s

UNDERWRI TERS LABORATORI ES ( UL)

UL 1479 ( 2003; Repr i nt Oct 2012) Fi r e Test s of Thr ough- Penet r at i on Fi r est ops

1. 2 GENERAL REQUI REMENTS

Sect i on 23 00 00 AI R SUPPLY, DI STRI BUTI ON, VENTI LATI ON, AND EXHAUST SYSTEMS appl i es t o wor k speci f i ed i n t hi s sect i on

Submi t Recor ds of Exi st i ng Condi t i ons consi st i ng of t he r esul t s of Cont r act or ' s sur vey of wor k ar ea condi t i ons and f eat ur es of exi st i ng st r uct ur es and f aci l i t i es wi t hi n and adj acent t o t he j obsi t e. Commencement of wor k const i t ut es accept ance of t he exi st i ng condi t i ons.

I ncl ude wi t h Equi pment Foundat i on Dat a f or pi pi ng syst ems al l pl an di mensi ons of f oundat i ons and r el at i ve el evat i ons, equi pment wei ght and oper at i ng l oads, hor i zont al and ver t i cal l oads, hor i zont al and ver t i cal c l ear ances f or i nst al l at i on, and si ze and l ocat i on of anchor bol t s.

Submi t Fabr i cat i on Dr awi ngs f or pi pes, val ves and speci al t i es consi st i ng of f abr i cat i on and assembl y det ai l s t o be per f or med i n t he f act or y.

Submi t Mat er i al , Equi pment , and Fi xt ur e Li st s f or pi pes, val ves and speci al t i es i ncl udi ng manuf act ur er ' s st y l e or cat al og number s, speci f i cat i on and dr awi ng r ef er ence number s, war r ant y i nf or mat i on, and f abr i cat i on s i t e i nf or mat i on. Pr ovi de a compl et e l i s t of const r uct i on equi pment t o be used.

Submi t Manuf act ur er ' s St andar d Col or Char t s f or pi pes, val ves and speci al t i es showi ng t he manuf act ur er ' s r ecommended col or and f i ni sh selections.

I ncl ude wi t h Li st i ng of Pr oduct I nst al l at i ons f or pi pi ng syst ems i dent i f i cat i on of at l east 5 uni t s, s i mi l ar t o t hose pr oposed f or use, t hat have been i n successf ul ser vi ce f or a mi ni mum per i od of 5 year s. I ncl ude i n t he l i s t pur chaser , addr ess of i nst al l at i on, ser vi ce or gani zat i on, and dat e of i nst al l at i on.

Submi t Recor d Dr awi ngs f or pi pes, val ves and accessor i es pr ovi di ng cur r ent f act ual i nf or mat i on i ncl udi ng devi at i ons and amendment s t o t he dr awi ngs, and conceal ed and vi s i bl e changes i n t he wor k.

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Submi t Connect i on Di agr ams f or pi pes, val ves and speci al t i es i ndi cat i ng t he r el at i ons and connect i ons of devi ces and appar at us by showi ng t he gener al physi cal l ayout of al l cont r ol s, t he i nt er connect i on of one syst em ( or por t i on of syst em) wi t h anot her , and i nt er nal t ubi ng, wi r i ng, and ot her devices.

Submi t Coor di nat i on Dr awi ngs f or pi pes, val ves and speci al t i es showi ng coor di nat i on of wor k bet ween di f f er ent t r ades and wi t h t he st r uct ur al and ar chi t ect ur al el ement s of wor k. Det ai l al l dr awi ngs suf f i c i ent l y t o show over al l di mensi ons of r el at ed i t ems, c l ear ances, and r el at i ve l ocat i ons of wor k i n al l ot t ed spaces. I ndi cat e on dr awi ngs wher e conf l i c t s or c l ear ance pr obl ems exi st bet ween var i ous t r ades.

1. 3 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . Submi t t al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y Not ebook, i n conf or mance t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG. 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- 01 Pr econst r uct i on Submi t t al s

Mat er i al , Equi pment , and Fi xt ur e Li st s

SD- 02 Shop Dr awi ngs

Recor d Dr awi ngs

Connect i on Di agr ams

Coor di nat i on Dr awi ngs

Fabr i cat i on Dr awi ngs

I nst al l at i on Dr awi ngs

SD- 03 Pr oduct Dat a

Pi pe and Fi t t i ngs

Pi pi ng Speci al t i es

Valves

Cal i br at ed Bal anci ng Val ves

Aut omat i c Fl ow Cont r ol Val ves

Wat er Temper at ur e Mi xi ng Val ve

Wat er Temper at ur e Regul at i ng Val ves

Wat er Pr essur e Reduci ng Val ve

Pr essur e Rel i ef Val ve

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Mi scel l aneous Mat er i al s

Suppor t i ng El ement s

Equi pment Foundat i on Dat a

SD- 04 Sampl es

Manuf act ur er ' s St andar d Col or Char t s

SD- 05 Desi gn Dat a

Pi pe and Fi t t i ngs

Pi pi ng Speci al t i es

Valves

SD- 06 Test Repor t s

Hydr ost at i c Test s

Ai r Test s

Val ve- Oper at i ng Test s

Dr ai nage Test s

Non- Dest r uct i ve El ect r i c Test s

Syst em Oper at i on Test s

SD- 07 Cer t i f i cat es

Recor d of Sat i sf act or y Fi el d Oper at i on

Li st of Qual i f i ed Per manent Ser vi ce Or gani zat i ons

Li st i ng of Pr oduct I nst al l at i ons

Recor ds of Exi st i ng Condi t i ons

Bolts

Sur f ace Resi st ance

Shear and Tensi l e St r engt hs

Temper at ur e Rat i ngs

Bendi ng Test s

Fl at t eni ng Test s

Tr ansver se Gui ded Wel d Bend Test s

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

Oper at i on and Mai nt enance Manual s

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1. 4 QUALI TY ASSURANCE

1. 4. 1 Mat er i al and Equi pment Qual i f i cat i ons

Pr ovi de mat er i al s and equi pment t hat ar e st andar d pr oduct s of manuf act ur er s r egul ar l y engaged i n t he manuf act ur e of such pr oduct s, whi ch ar e of a s i mi l ar mat er i al , desi gn and wor kmanshi p. Pr ovi de st andar d pr oduct s 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 i ncl udes 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. Ensur e t he pr oduct has 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. 4. 2 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 ar e 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. 4. 3 Ser vi ce Suppor t

Ensur e t he equi pment i t ems ar e suppor t ed by ser vi ce or gani zat i ons. Submi t a cer t i f i ed l i s t of qual i f i ed per manent ser vi ce or gani zat i ons f or suppor t of t he equi pment whi ch i ncl udes t hei r addr esses and qual i f i cat i ons. Sel ect ser vi ce or gani zat i ons t hat ar e r easonabl y conveni ent t o t he equi pment i nst al l at i on and abl e t o r ender sat i sf act or y ser vi ce t o t he equi pment on a r egul ar and emer gency basi s dur i ng t he per i od of t he cont r act of 1 year af t er t he Benef i c i al Occupancy Dat e ( BOD) .

1. 4. 4 Manuf act ur er ' s Namepl at e

Pr ovi de a namepl at e on each i t em of equi pment bear i ng t he manuf act ur er ' s name, addr ess, model number , and ser i al number secur el y af f i xed i n a conspi cuous pl ace; t he namepl at e of t he di st r i but i ng agent i s not acceptable.

1. 4. 5 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. 4. 5. 1 Definitions

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 ar e consi der ed mandat or y, t he wor d " shoul d" i s i nt er pr et ed as " shal l . " Ref er ence t o t he " code of f i c i al " i s 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, i nt er pr et r ef er ences t o t he " owner " 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 " i s 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 " ar e i nt er pr et ed t o mean t he " Cont r act or . "

1. 4. 5. 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

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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, ar e appl i ed as appr opr i at e by t he Cont r act i ng Of f i cer and as aut hor i zed by hi s admi ni st r at i ve cogni zance and t he FAR.

1. 5 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. 6 ELECTRI CAL I NSTALLATI ON REQUI REMENTS

Ensur e el ect r i cal i nst al l at i ons conf or m t o I EEE C2, NFPA 70, and r equi r ement s speci f i ed her ei n.

1. 6. 1 New Wor k

Pr ovi de el ect r i cal component s of mechani cal equi pment , such as mot or s, mot or st ar t er s, cont r ol or push- but t on st at i ons, f l oat or pr essur e swi t ches, sol enoi d val ves, i nt egr al di sconnect s, and ot her devi ces f unct i oni ng t o cont r ol mechani cal equi pment , as wel l as cont r ol wi r i ng and condui t f or c i r cui t s r at ed 100 vol t s or l ess, t o conf or m wi t h t he r equi r ement s of t he sect i on cover i ng t he mechani cal equi pment . Ext ended vol t age r ange mot or s ar e not per mi t t ed. Pr ovi de under Di v i s i on 26, t he i nt er connect i ng power wi r i ng and condui t , cont r ol wi r i ng r at ed 120 vol t s ( nomi nal ) and condui t , and t he el ect r i cal power c i r cui t s, except i nt er nal wi r i ng f or component s of package equi pment i s pr ovi ded as an i nt egr al par t of t he equi pment . When mot or s and equi pment f ur ni shed ar e l ar ger t han s i zes i ndi cat ed, pr ovi de any r equi r ed changes t o t he el ect r i cal ser vi ce as may be necessar y and r el at ed wor k as a par t of t he wor k f or t he sect i on speci f y i ng t hat mot or or equi pment .

1. 6. 2 Hi gh Ef f i c i ency Mot or s

1. 6. 2. 1 Hi gh Ef f i c i ency Si ngl e- Phase Mot or s

Unl ess ot her wi se speci f i ed, pr ovi de hi gh ef f i c i ency s i ngl e- phase f r act i onal - hor sepower al t er nat i ng- cur r ent mot or s cor r espondi ng t o t he appl i cat i ons l i s t ed i n NEMA MG 11.

1. 6. 2. 2 Hi gh Ef f i c i ency Pol yphase Mot or s

Unl ess ot her wi se speci f i ed, sel ect pol yphase mot or s based on hi gh ef f i c i ency char act er i st i cs r el at i ve t o t he appl i cat i ons as l i s t ed i n NEMA MG 10. Addi t i onal l y, ensur e pol yphase squi r r el - cage medi um i nduct i on mot or s wi t h cont i nuous r at i ngs meet or exceed ener gy ef f i c i ent r at i ngs i n accor dance wi t h Tabl e 12- 6C of NEMA MG 1.

1. 6. 3 Thr ee- Phase Mot or Pr ot ect i on

Pr ovi de cont r ol l er s f or mot or s r at ed one one hor sepower and l ar ger wi t h el ect r oni c phase- vol t age moni t or s desi gned t o pr ot ect mot or s f r om phase- l oss, under vol t age, and over vol t age. Pr ovi de pr ot ect i on f or mot or s f r om i mmedi at e r est ar t by a t i me adj ust abl e r est ar t r el ay.

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1. 7 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 v i 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 nc l 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. Pr ovi de i nst r uct or s 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 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.

Gi ve i nst r uct i on 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 i s 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. 8 ACCESSIBILITY

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.

PART 2 PRODUCTS

2. 1 PI PE AND FI TTI NGS

Submi t equi pment and per f or mance dat a f or pi pe and f i t t i ngs consi st i ng of cor r osi on r esi st ance, l i f e expect ancy, gage t ol er ances, and gr ade l i ne anal ysi s. Submi t desi gn anal ysi s and cal cul at i ons consi st i ng of sur f ace r esi st ance, r at es of f l ow, head l osses, i nl et and out l et desi gn, r equi r ed r adi us of bend, and pr essur e cal cul at i ons. Al so i ncl ude i n dat a pi pe s i ze, shape, and di mensi ons, as wel l as t emper at ur e r at i ngs, v i br at i on and t hr ust l i mi t at i ons mi ni mum bur st pr essur es, shut - of f and non- shock pr essur es and wel d char act er i s t i cs.

2. 1. 1 Type BCS, Bl ack Car bon St eel

Ensur e pi pe 2- 1/ 2 t hr ough 12 i nches i s Schedul e 40 bl ack car bon st eel , conf or mi ng t o ASTM A53/ A53M.

Ensur e pi pe 1/ 8 t hr ough 10 i nches i s Schedul e 40 seaml ess or el ect r i c- r esi st ance wel ded bl ack car bon st eel , conf or mi ng t o ASTM A53/ A53M, Type E, Gr ade B ( el ect r i c- r esi st ance wel ded) .

Ensur e pi pe 12 t hr ough 24 i nches i s 0. 375- i nch wal l seaml ess bl ack car bon st eel , conf or mi ng t o ASTM A53/ A53M, Type E, Gr ade B ( el ect r i c- r esi st ance welded).

Ensur e f i t t i ngs 2 i nches and under ar e 150- pounds per squar e i nch, gage ( psi g) wor ki ng st eam pr essur e ( wsp) banded bl ack mal l eabl e i r on scr ewed, conf or mi ng t o ASTM A197/ A197M and ASME B16. 3.

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Ensur e uni ons 2 i nches and under ar e 250 pounds per squar e i nch, wsp f emal e, scr ewed, bl ack mal l eabl e i r on wi t h br ass- t o- i r on seat , and gr ound j oi nt , conf or mi ng t o ASME B16. 39.

Ensur e f i t t i ngs 2- 1/ 2 i nches and over ar e St eel but t wel d, conf or mi ng t o ASTM A234/ A234M and ASME B16. 9 t o mat ch pi pe wal l t hi ckness.

Ensur e f l anges 2- 1/ 2 i nches and over ar e 150- pound f or ged- st eel conf or mi ng to ASME B16. 5, wel di ng neck t o mat ch pi pe wal l t hi ckness.

2. 1. 2 Type BCS- 125, 125- psi Ser vi ce

Ensur e pi pe 1/ 8 t hr ough 1- 1/ 2 i nches i s Schedul e 40 st eam, Schedul e 80 condensat e, f ur nace but t wel d, bl ack car bon st eel , conf or mi ng t o ASTM A53/ A53M, Type F ( f ur nace but t wel ded, cont i nuous wel ded) and

ASME B36. 10M.

Ensur e pi pe 2 t hr ough 10 i nches i s Schedul e 40 st eam, Schedul e 80 condensat e, seaml ess or el ect r i c- r esi st ance wel ded bl ack car bon st eel , conf or mi ng t o ASTM A53/ A53M Type E, Gr ade B ( el ect r i c- r esi st ance wel ded) and ASME B36. 10M.

Ensur e pi pe 12 t hr ough 24 i nches i s 0. 375- i nch wal l , el ect r i c- r esi st ance wel ded bl ack car bon st eel , conf or mi ng t o ASTM A53/ A53M Type E, Gr ade B ( el ect r i c- r esi st ance wel ded) .

Ensur e f i t t i ngs 2 i nches and under ar e 150- psi g wsp banded bl ack mal l eabl e i r on scr ewed, conf or mi ng t o ASTM A197/ A197M and ASME B16. 3.

Ensur e f i t t i ngs 2- 1/ 2 i nches and over ar e wal l t hi ckness t o mat ch pi pe, l ong r adi us but t wel d, bl ack car bon st eel , conf or mi ng t o ASTM A234/ A234M, Gr ade WPB and ASME B16. 9.

Ensur e coupl i ngs 2 i nches and under ar e commer ci al st andar d wei ght f or Schedul e 40 pi pe and commer ci al ext r a heavy wei ght f or Schedul e 80 pi pe, bl ack car bon st eel wher e t hr eaded, and 2, 000- or 3, 000- psi wog f or ged car bon st eel , conf or mi ng t o ASTM A105/ A105M and ASME B16. 11, wher e wel ded.

Ensur e f l anges 2- 1/ 2 i nches and over ar e 150- pound, f or ged car bon- st eel wel di ng neck, wi t h r ai sed f ace or f l at f ace and concent r i c ser r at ed f i ni sh, conf or mi ng t o ASTM A105/ A105M and ASME B16. 5.

Conf or m gr ooved pi pe coupl i ngs and f i t t i ngs i n accor dance wi t h par agr aph ent i t l ed, " Gr ooved Pi pe Coupl i ngs and Fi t t i ngs, " of t hi s sect i on.

2. 1. 3 Type CPR, Copper

2. 1. 3. 1 Type CPR- A, Copper Above Gr ound

Ensur e t ubi ng 2 i nches and under i s seaml ess copper t ubi ng, conf or mi ng t o ASTM B88, Type L ( har d- dr awn f or al l hor i zont al and al l exposed ver t i cal l i nes, anneal ed f or conceal ed ver t i cal l i nes) .

Ensur e f i t t i ngs 2 i nches and under ar e 150- psi g wsp wr ought - copper sol der j oi nt f i t t i ngs conf or mi ng t o ASME B16. 22, or pr essur e- seal f i t t i ngs compr i sed of a copper housi ng, EPDM O- r i ngs and pi pe st ops, and a mi ni mum 200- wsp r at i ng at 250 degr ees F. Pr essur e- seal f i t t i ngs wi l l r equi r e manuf act ur er ' s speci al t ool s.

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Ensur e uni ons 2 i nches and under ar e 150- psi g wsp wr ought - copper sol der j oi nt , conf or mi ng t o ASME B16. 22.

Pr ovi de br azi ng r od wi t h Cl assi f i cat i on BCuP- 5, conf or mi ng t o AWS A5. 8/ A5. 8M.

Use sol der , al l oy Sb- 5, conf or mi ng t o ASTM B32.

2. 1. 4 Gr ooved Pi pe Coupl i ngs and Fi t t i ngs

Pr ovi de housi ng f or al l coupl i ngs, f abr i cat ed i n t wo or mor e par t s, of bl ack, ungal vani zed mal l eabl e i r on cast i ngs. Ensur e coupl i ng gasket i s mol ded synt het i c r ubber , conf or mi ng t o ASTM D2000. Ensur e coupl i ng bol t s ar e oval - neck, t r ack- head t ype, wi t h hexagonal heavy nut s conf or mi ng t o

ASTM A183.

Fabr i cat e al l pi pe f i t t i ngs used wi t h coupl i ngs of bl ack, ungal vani zed mal l eabl e i r on cast i ngs. Wher e a manuf act ur er ' s s t andar d- si ze mal l eabl e i r on f i t t i ng pat t er n i s not avai l abl e, appr oved f abr i cat ed f i t t i ngs may be used.

Fabr i cat e f i t t i ngs f r om Schedul e 40 or 0. 75- i nch wal l ASTM A53/ A53M, Gr ade B seaml ess st eel pi pe; l ong r adi us seaml ess wel di ng f i t t i ngs wi t h wal l t hi ckness t o mat ch pi pe, conf or mi ng t o ASTM A234/ A234M and ASME B16. 9.

2. 1. 5 UNDERGROUND PI PI NG SYSTEM FOR CHI LLED WATER

Pi pe shal l be composed of i nt egr al seal ed uni t s of PVC pl ast i c out er j acket , PVC pl ast i c car r i er pi pe and i nsul at ed wi t h pol yur et hane f oam compl et el y f i l l i ng t he annul ar space bet ween t he pi pe and j acket .

I nsul at i on shal l be r i gi d 90 per cent c l osed cel l pol yur et hane. Densi t y shal l be 2. 0 pounds per cubi c f oot . The coef f i c i ent of t her mal conduct i v i t y ( K) shal l be 0. 14 BTU/ HR- SR degr ees F at 73 degr ees F.

I nst al l per manuf act ur er ' s r ecommendat i ons.

2. 2 PI PI NG SPECI ALTI ES

Submi t equi pment and per f or mance dat a f or pi pi ng speci al t i es consi st i ng of cor r osi on r esi st ance, l i f e expect ancy, gage t ol er ances, and gr ade l i ne anal ysi s. Submi t desi gn anal ysi s and cal cul at i ons consi st i ng of sur f ace r esi st ance, r at es of f l ow, head l osses, i nl et and out l et desi gn, r equi r ed r adi us of bend, and pr essur e cal cul at i ons. Al so i ncl ude i n dat a pi pe s i ze, shape, and di mensi ons, as wel l as t emper at ur e r at i ngs, v i br at i on and t hr ust l i mi t at i ons mi ni mum bur st pr essur es, shut - of f and non- shock pr essur es and wel d char act er i s t i cs.

2. 2. 1 Ai r Separ at or

Ai r separ at ed f r om conver t er di schar ge wat er i s ej ect ed by a r educed- vel oci t y devi ce vent ed t o t he at mospher e.

Pr ovi de a commer ci al l y const r uct ed t angent i al t ype separ at or , desi gned and cer t i f i ed t o separ at e not l ess t han 80 per cent of ent r ai ned ai r on t he f i r st passage of wat er and not l ess t han 80 per cent of r esi dual on each successi ve pass. Pr ovi de shop dr awi ngs det ai l i ng al l pi pi ng connect i ons pr oposed f or t hi s wor k.

Ensur e t he ai r separ at or i s car bon st eel , desi gned, f abr i cat ed, t est ed, and st amped i n conf or mance wi t h ASME BPVC SEC VI I I D1 f or ser vi ce pr essur es not l ess t han 125 psi .

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Ai r col l ect or t ube shal l be per f or at ed st ai nl ess st eel , const r uct ed t o di r ect r el eased ai r t o at mospher e. Bl owdown connect i on shal l be t hr eaded.

2. 2. 2 Ai r Vent s

Pr ovi de manual ai r vent s usi ng 3/ 8- i nch gl obe val ves.

Pr ovi de aut omat i c ai r vent s on pumps, mai ns, and wher e i ndi cat ed usi ng bal l - f l oat const r uct i on. Ensur e t he vent i nl et i s not l ess t han 3/ 4- i nch i ps and t he out l et not l ess t han 1/ 4- i nch i ps. Or i f i ce s i ze i s 1/ 8 i nch.

Pr ovi de cor r osi on- r esi st ant st eel t r i m conf or mi ng t o ASTM A276. Fi t vent wi t h t r y- cock. Ensur e vent di schar ges ai r at any pr essur e up t o 150 psi .

Ensur e out l et i s copper t ube r out ed.

2. 2. 3 Di aphr agm or Bl adder - Type Expansi on Tanks

The t ank shal l be wel ded st eel r at ed f or 125 psi g wor ki ng pr essur e and 375 degr ees F maxi mum oper at i ng t emper at ur e. Fact or y t est wi t h t ops f abr i cat ed and suppor t s i nst al l ed and l abel ed accor di ng t o ASME Boi l er and Vessel Code; Sect i on VI I I , Di v i s i on 1. The Di aphr agm or Bl adder shal l be secur el y seal ed i nt o t ank t o separ at e ai r char ge f r om syst em wat er t o mai nt ai n r equi r ed expansi on capaci t y. Ai r change f i t t i ngs shal l be Schr ader val ve, st ai nl ess st eel wi t h EPDM seat s.

2. 2. 4 Di el ect r i c Connect i ons

El ect r i cal l y i nsul at e di ssi mi l ar pi pe met al s f r om each ot her by coupl i ngs, uni ons, or f l anges commer ci al l y manuf act ur ed f or t hat pur pose and r at ed f or t he ser vi ce pr essur e and t emper at ur e.

2. 2. 5 Expansi on Vi br at i on I sol at i on Joi nt s

2. 2. 5. 1 Fl exi bl e- Hose Expansi on Joi nt s

Manuf act ur ed assembl y wi t h t wo f l exi bl e- met al - hose l egs j oi ned by l ong- r adi us, 180- degr ee r et ur n bend or cent er sect i on of f l exi bl e hose;

wi t h i nl et and out l et el bow f i t t i ngs, cor r ugat ed- met al i nner hoses, and br ai ded out er sheat hs.

2. 2. 5. 2 Fl exi bl e- Hose Expansi on Joi nt s f or Copper Pi pi ng

a. Copper - al l oy f i t t i ngs wi t h sol der - j oi nt end connect i ons.

b. NPS 2 and Smal l er : Br onze hoses and doubl e- br ai d br onze sheat hs wi t h 700 psi g at 70 degr ees F and 500 psi g at 450 degr ees F r at i ngs.

c. NPS 2- 1/ 2 t o NPS 4: St ai nl ess- st eel hoses and doubl e- br ai d, st ai nl ess- st eel sheat hs wi t h 420 psi g at 70 degr ees F and 315 psi g at 450 degr ees F r at i ngs.

2. 2. 5. 3 Fl exi bl e- Hose Expansi on Joi nt s f or St eel Pi pi ng

a. Car bon- st eel f i t t i ngs wi t h t hr eaded end connect i ons f or NPS 2 and smal l er and f l anged end connect i ons f or NPS 2- 1/ 2 and l ar ger .

b. NPS 2 and Smal l er : St ai nl ess- st eel hoses and doubl e- br ai d, st ai nl ess- st eel sheat hs wi t h 700 psi g at 70 degr ees F and 515 psi g at 600 degr ees F r at i ngs.

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c. NPS 2- 1/ 2 t o NPS 6: St ai nl ess- st eel hoses and doubl e- br ai d, st ai nl ess- st eel sheat hs wi t h 275 psi g at 70 degr ees F and 200 psi g at 600 degr ees F r at i ngs.

d. NPS 8 and Lar ger : St ai nl ess- st eel hoses and doubl e- br ai d, st ai nl ess- st eel sheat hs wi t h 165 psi g at 70 degr ees F and 120 psi g at 600 degr ees F r at i ngs.

2. 2. 6 Al i gnment Gui des

Descr i pt i on: St eel , f act or y f abr i cat ed, wi t h bol t ed t wo- sect i on out er cyl i nder and base f or al i gnment of pi pi ng and t wo- sect i on gui di ng spi der f or bol t i ng t o pi pe.

2. 2. 7 Mat er i al s f or Anchor s

a. St eel Shapes and Pl at es: ASTM A36/ A36M.

b. Bol t s and Nut s: ASME B18. 10 or ASTM A183, st eel , hex head.

c. Washer s: ASTM F844, st eel , pl ai n, f l at washer s.

d. Mechani cal Fast ener s: I nser t - wedge- t ype st ud wi t h expansi on pl ug anchor f or use i n har dened Por t l and cement concr et e, and t ensi on and sheat h capaci t i es appr opr i at e f or appl i cat i on. St ud wi l l be t hr eaded, z i nc- coat ed car bon st eel . Expansi on pl ug wi t h z i nc- coat ed st eel , and washer / nut shal l be z i nc- coat ed st eel .

2. 2. 8 Fl exi bl e Pi pe

Const r uct f l exi bl e pi pe v i br at i on and pi pe- noi se el i mi nat or s of wi r e- r ei nf or ced, r ubber - i mpr egnat ed c l ot h and cor d mat er i al s and be f l anged. Back t he f l anges wi t h f er r ous- met al backi ng r i ngs. Ensur e ser vi ce pr essur e- r at i ng i s a mi ni mum 1. 5 t i mes act ual ser vi ce, wi t h sur ge pr essur e at 180 degr ees F.

Const r uct f l exi bl e pi pe v i br at i on and pi pe noi se el i mi nat or s of wi r e- r ei nf or ced chl or opr ene- i mpr egnat ed c l ot h and cor d mat er i al s. Ensur e t he pi pe i s f l anged. Pr ovi de al l f l anges backed wi t h f er r ous- met al backi ng r i ngs. Coat nonmet al l i c ext er i or sur f aces of t he f l exi bl e pi pe wi t h an aci d- and oxi dat i on- r esi st ant chl or osul phi nat ed pol yet hyl ene. Rat e t he f l exi bl e pi pe f or cont i nuous dut y at 130 psi and 250 degr ees F.

Ensur e uni t pi pe l engt hs, f ace- t o- f ace, ar e not l ess t han t he f ol l owi ng:

I NSI DE DI AMETER UNI T PI PE LENGTH

To 3 i nches, i ncl usi ve 18 i nches

4 t o 10 i nches, i ncl usi ve 24 i nches

12 i nches and l ar ger 36 i nches

2. 2. 9 Fl exi bl e Met al l i c Pi pe

Ensur e f l exi bl e pi pe i s t he bel l ows- t ype wi t h wi r e br ai d cover and desi gned, const r uct ed, and r at ed i n accor dance wi t h t he appl i cabl e r equi r ement s of ASME B31. 3.

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Mi ni mum wor ki ng pr essur e r at i ng i s 50 psi at 300 degr ees F.

Ensur e mi ni mum bur st pr essur e i s f our t i mes wor ki ng pr essur e at 300 degr ees F. Bel l ows mat er i al i s AI SI Type 316L cor r osi on- r esi st ant st eel . Ensur e br ai d i s AI SI 300 ser i es cor r osi on- r esi st ant st eel wi r e.

Pr ovi de t hr eaded end connect i ons; hex- col l ar ed Schedul e 40, AI SI Type 316L cor r osi on- r esi st ant st eel , conf or mi ng t o ASTM A312/ A312M.

Ensur e f l anged end connect i on r at i ng and mat er i al s conf or m t o speci f i cat i ons f or syst em pr i mar y- pr essur e r at i ng.

2. 2. 10 Sl eeve Coupl i ngs

Sl eeve coupl i ngs f or pl ai n- end pi pe consi st of one st eel mi ddl e r i ng, t wo st eel f ol l ower s, t wo chl or opr ene or Buna- N el ast omer gasket s, and t he necessar y st eel bol t s and nut s.

2. 2. 11 Thermometers

Ensur e t her momet er s conf or m t o ASTM E1, except f or bei ng f i l l ed wi t h a r ed or gani c l i qui d. Pr ovi de an i ndust r i al pat t er n ar mor ed gl ass t her momet er , ( wel l - t hr eaded and seal - wel ded) . Ensur e t her momet er s i nst al l ed 6 f eet or hi gher above t he f l oor have an adj ust abl e angl e body. Ensur e scal e i s not l ess t han 9 i nches l ong and t he case f ace i s manuf act ur ed f r om manuf act ur er ' s st andar d pol i shed al umi num or AI SI 300 ser i es pol i shed cor r osi on- r esi st ant st eel . Ther momet er r ange i s 32 t o 212 degr ees F.

Pr ovi de t her momet er s wi t h nonf er r ous separ abl e wel l s. Pr ovi de l aggi ng ext ensi on t o accommodat e i nsul at i on t hi ckness.

2. 2. 12 Pr essur e Gauges

Gauges shal l conf or m t o ASME B40. 100 and shal l be pr ovi ded wi t h t hr ot t l i ng t ype needl e val ve or a pul sat i on dampener and shut of f val ve. Mi ni mum di al s i ze shal l be 3- 1/ 2 i nches. A pr essur e gauge shal l be pr ovi ded f or each boi l er i n a v i s i bl e l ocat i on on t he boi l er . Pr essur e gauges shal l be pr ovi ded wi t h r eadi ngs i n psi . Pr essur e gauges shal l have an i ndi cat i ng pr essur e r ange t hat i s r el at ed t o t he oper at i ng pr essur e of t he f l ui d i n accor dance wi t h t he f ol l owi ng t abl e:

Oper at i ng Pr essur e ( psi ) Pr essur e Range ( psi )

76-150 0-200

16-75 0-100

2-15 0- 30 ( r et ar d)

2. 2. 13 St em Cased- Gl ass

St em cased- gl ass case shal l be pol i shed st ai nl ess st eel or cast al umi num, 9 i nches l ong, wi t h c l ear acr yl i c l ens, and non- mer cur y f i l l ed gl ass t ube wi t h i ndi cat i ng- f l ui d col umn.

2. 2. 14 Bi met al l i c Di al

Bi met al l i c di al t ype case shal l be not l ess t han 3- 1/ 2 i nches, st ai nl ess st eel , and shal l be her met i cal l y seal ed wi t h c l ear acr yl i c l ens.

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Bi met al l i c el ement shal l be s i l i cone dampened and uni t f i t t ed wi t h ext er nal cal i br at or adj ust ment .

2. 2. 15 Li qui d- , Sol i d- , and Vapor - Fi l l ed Di al

Li qui d- , sol i d- , and vapor - f i l l ed di al t ype cases shal l be not l ess t han 3- 1/ 2 i nches, st ai nl ess st eel or cast al umi num wi t h c l ear acr yl i c l ens.

Fi l l shal l be non- mer cur y, sui t abl e f or encount er ed cr oss- ambi ent s, and connect i ng capi l l ar y t ubi ng shal l be doubl e- br ai ded br onze.

2. 2. 16 Ther mal Wel l

Ther mal wel l shal l be i dent i cal s i ze, 1/ 2 or 3/ 4 i nch NPT connect i on, br ass or st ai nl ess st eel . Wher e t est wel l s ar e i ndi cat ed, pr ovi de capt i ve pl ug- f i t t ed t ype 1/ 2 i nch NPT connect i on sui t abl e f or use wi t h ei t her engr aved st em or st andar d separ abl e socket t her momet er or t her most at .

Mer cur y shal l not be used i n t her momet er s. Ext ended neck t her mal wel l s shal l be of suf f i c i ent l engt h t o c l ear i nsul at i on t hi ckness by 1 i nch.

2. 2. 17 Pump Suct i on Di f f user s

Pr ovi de a cast i r on st r ai ner body, r at ed f or not l ess t han 25 psi g at 100 degr ees F, wi t h f l anges conf or mi ng t o ASME B16. 1, Cl ass 125. St r ai ner const r uct i on i s such t hat t her e i s a machi ned sur f ace j oi nt bet ween body and basket t hat i s nor mal t o t he cent er l i ne of t he basket .

Angl e pat t er n, cast i r on body and cap, pump i nl et f i t t i ng; br onze st ar t - up and br onze or st ai nl ess st eel per manent st r ai ner s, br onze or st ai nl ess st eel st r ai ght eni ng vanes; dr ai n pl ug, and f act or y f abr i cat ed suppor t .

Ensur e mesh i s capabl e of r et ai ni ng al l par t i c l es l ar ger t han 1, 000 mi cr omet er , wi t h a pr essur e dr op acr oss t he st r ai ner body of not mor e t han

0. 5 psi when t he basket i s t wo- t hi r ds di r t y at maxi mum syst em f l ow r at e.

Pr ovi de r educi ng f i t t i ngs f r om st r ai ner - f l ange si ze t o pi pe s i ze.

Pr ovi de a di f f er ent i al - pr essur e gage f i t t ed wi t h a t wo- way br ass cock acr oss t he st r ai ner .

Pr ovi de manual ai r vent cocks i n cap of each st r ai ner .

2. 2. 18 Tr i pl e- Dut y Val ve

Pr ovi de angl e or st r ai ght pat t er n, 175 psi g pr essur e r at i ng, cast i r on body, pump di schar ge f i t t i ng; wi t h dr ai n pl ug and br onze- f i t t ed shut of f bal anci ng, and checki ng val ve f eat ur es. Br ass gauge par t s wi t h i nt egr al check val ve, and t r i pl e f or measur ement .

2. 2. 19 Li ne St r ai ner s, Wat er Ser vi ce

I nst al l Y- t ype st r ai ner s wi t h r emovabl e basket . Ensur e st r ai ner s i n s i zes 2- i nch i ps and smal l er have scr ewed ends; i n s i zes 2- 1/ 2- i nch i ps and l ar ger , st r ai ner s have f l anged ends. Ensur e body wor ki ng- pr essur e r at i ng exceeds maxi mum ser vi ce pr essur e of i nst al l ed syst em by at l east 50 per cent . Ensur e body has cast - i n ar r ows t o i ndi cat e di r ect i on of f l ow.

Ensur e al l s t r ai ner bodi es f i t t ed wi t h scr ewed scr een r et ai ner s have st r ai ght t hr eads and gasket ed wi t h nonf er r ous met al . For st r ai ner bodi es 2- 1/ 2- i nches and l ar ger , f i t t ed wi t h bol t ed- on scr een r et ai ner s, pr ovi de of f set bl owdown hol es. Fi t al l s t r ai ner s l ar ger t han 2- 1/ 2- i nches wi t h manuf act ur er ' s st andar d bal l - t ype bl owdown val ve. Ensur e body mat er i al i s

SECTI ON 23 05 15 Page 16 cast br onze conf or mi ng t o ASTM B62. Wher e syst em mat er i al i s nonf er r ous, use nonf er r ous met al f or t he met al st r ai ner body mat er i al .

Ensur e mi ni mum f r ee- hol e ar ea of st r ai ner el ement i s equal t o not l ess t han

3. 4 t i mes t he i nt er nal ar ea of connect i ng pi pi ng. St r ai ner scr eens per f or at i on s i ze i s not t o exceed 0. 045- i nch. Ensur e st r ai ner scr eens have f i ni shed ends f i t t ed t o machi ned scr een chamber sur f aces t o pr ecl ude bypass f l ow. St r ai ner el ement mat er i al i s AI SI Type 304 cor r osi on- r esi st ant st eel .

2. 2. 20 Li ne St r ai ner s, St eam Ser vi ce

I nst al l Type Y st r ai ner s wi t h r emovabl e st r ai ner el ement .

Use f l anged body end connect i ons f or al l val ves l ar ger t han 2 i nches, unl ess but t wel d ends ar e speci f i ed. Use scr ewed wel d f or s i zes 2 i nches and under t o sui t speci f i ed pi pi ng syst em end connect i on and mai nt enance requirements.

For st r ai ner s l ocat ed i n t unnel s, t r enches, manhol es, and val ve pi t s, use wel ded end connect i ons.

Body wor ki ng st eam pr essur e r at i ng i s t he same as t he pr i mar y val ve r at i ng f or syst em i n whi ch st r ai ner i s i nst al l ed, except wher e wel ded end mat er i al s r equi r ement s r esul t i n hi gher pr essur e r at i ngs. Ensur e body has i nt egr al cast or f or ged ar r ows t o i ndi cat e di r ect i on of f l ow. Pr ovi de st r ai ner bodi es wi t h bl owdown val ves t hat have di schar ge end pl ugged wi t h a sol i d met al pl ug. Make cl osur e assembl y wi t h t et r af l uor oet hyl ene t ape.

Ensur e bodi es f i t t ed wi t h bol t ed- on scr een r et ai ner s have of f set bl owdown holes.

Body mat er i al s ar e manuf act ur er ' s st andar d met al l ur gi cal equi val ent s f or ser vi ce pr essur es of 150- psi wsp and gr eat er , and f or l ower pr essur e r at i ngs wher e wel di ng i s r equi r ed cast i r on conf or mi ng t o ASTM A126, Cl ass B, f or ser vi ce pr essur es 125- psi wsp and l ess.

Ensur e mi ni mum f r ee- hol e ar ea of st r ai ner el ement i s equal t o not l ess t han

3. 4 t i mes t he i nt er nal ar ea of connect i ng pi pi ng. St r ai ner scr eens per f or at i on s i ze i s not t o exceed 0. 020 i nch or equi val ent wi r e mesh.

St r ai ner scr eens have f i ni shed ends f i t t ed t o machi ned scr een chamber sur f aces t o pr ecl ude bypass f l ow. St r ai ner el ement mat er i al i s AI SI Type 304 cor r osi on- r esi st ant st eel and f i t t ed wi t h backup scr eens wher e necessar y t o pr event col l apse.

2. 3 VALVES

Pr ovi de val ves wi t h ANSI / ASME Cl ass 125 ser vi ce r at i ng, whi ch f or 150 degr ees F, t he pr essur e r at i ng i s 175 psi g.

Submi t equi pment and per f or mance dat a f or val ves consi st i ng of cor r osi on r esi st ance and l i f e expect ancy. Submi t desi gn anal ysi s and cal cul at i ons consi st i ng of r at es of f l ow, head l osses, i nl et and out l et desi gn, and pr essur e cal cul at i ons. Al so i ncl ude i n dat a, pi pe di mensi ons, as wel l as t emper at ur e r at i ngs, v i br at i on and t hr ust l i mi t at i ons, mi ni mum bur st pr essur es, shut - of f and non- shock pr essur es and wel d char act er i st i cs.

Pol ypr opyl ene val ves wi l l compl y wi t h t he per f or mance r equi r ement s of

ASTM F2389.

SECTI ON 23 05 15 Page 17

2. 3. 1 Bal l and But t er f l y Val ves

Ensur e bal l val ves conf or m t o MSS SP- 72 f or t wo pi ece body and ar e r at ed f or ser vi ce at not l ess t han 175 psi g at 200 degr ees F. For val ve bodi es i n s i zes 2 i nches and smal l er , use scr ewed- end connect i on- t ype const r uct ed of Cl ass A copper al l oy or sol der - j oi nt ends. For val ve bodi es i n s i zes 2- 1/ 2 i nches and l ar ger , use f l anged- end connect i on t ype, const r uct ed of Cl ass D mat er i al . Bal l s and st ems of val ves 2 i nches and smal l er ar e manuf act ur er ' s st andar d wi t h har d chr ome pl at i ng f i ni sh. Bal l s and st ems of val ves 2- 1/ 2 i nches and l ar ger ar e manuf act ur er ' s st andar d Cl ass C cor r osi on- r esi st ant st eel al l oy wi t h har d chr ome pl at i ng. Bal l s of val ves 6 i nches and l ar ger may be Cl ass D wi t h 900 Br i nel l har d chr ome pl at i ng.

Ensur e val ves ar e sui t abl e f or f l ow f r om ei t her di r ect i on and seal equal l y t i ght i n ei t her di r ect i on. Val ves wi t h bal l seal s hel d i n pl ace by spr i ng washer s ar e not accept abl e. Ensur e al l val ves have adj ust abl e packi ng gl ands. Seat s and seal s ar e f abr i cat ed f r om t et r af l uor oet hyl ene.

Ensur e but t er f l y val ves conf or m t o MSS SP- 67 and ar e t he waf er t ype f or mount i ng bet ween speci f i ed f l anges. Ensur e val ves ar e r at ed f or 150- psi g shut of f and nonshock wor ki ng pr essur e. Sel ect bodi es of cast f er r ous met al conf or mi ng t o ASTM A126, Cl ass B, and t o ASME B16. 1 f or body wal l t hi ckness. Seat s and seal s ar e f abr i cat ed f r om r esi l i ent el ast omer desi gned f or f i el d r emoval and r epl acement .

2. 3. 2 Dr ai n, Vent , and Gage Cocks

Pr ovi de l ever handl e dr ai n, vent , and gage cocks, gr ound key t ype, wi t h washer and scr ew, const r uct ed of pol i shed ASTM B62 br onze, and r at ed 125- psi wsp. Ensur e end connect i ons ar e r at ed f or speci f i ed ser vi ce pr essur e.

Ensur e pump vent cocks, and wher e spr ay cont r ol i s r equi r ed, ar e UL umbr el l a- hood t ype, const r uct ed of manuf act ur er ' s st andar d pol i shed br ass.

Ensur e cocks ar e 1/ 2- i nch i ps mal e, end t hr eaded, and r at ed at not l ess t han 125 psi at 225 degr ees F.

2. 3. 3 Cal i br at ed Bal anci ng Val ves

Copper al l oy or cast i r on body, copper al l oy or st ai nl ess i nt er nal wor ki ng par t s. Pr ovi de val ve cal i br at ed so t hat f l ow can be det er mi ned when t he t emper at ur e and pr essur e di f f er ent i al acr oss val ve i s known. Val ve shal l have an i nt egr al poi nt er whi ch r egi st er s t he degr ee of val ve openi ng.

Val ve shal l f unct i on as a ser vi ce val ve when i n f ul l y c l osed posi t i on.

Val ve shal l be const r uct ed wi t h i nt er nal seal s t o pr event l eakage and shal l be suppl i ed wi t h pr ef or med i nsul at i on.

Pr ovi de val ve bodi es wi t h t apped openi ngs and pi pe ext ensi ons wi t h posi t i ve shut of f val ves out s i de of pi pe i nsul at i on. The pi pe ext ensi ons shal l be pr ovi ded wi t h qui ck connect i ng hose f i t t i ngs f or a por t abl e di f f er ent i al pr essur e met er connect i ons t o ver i f y t he pr essur e di f f er ent i al . Pr ovi de met al t ag on each val ve showi ng t he gal l ons per mi nut e f l ow f or each di f f er ent i al pr essur e r eadi ng.

2. 3. 4 Aut omat i c Fl ow Cont r ol Val ves

Val ve shal l aut omat i cal l y mai nt ai n t he const ant f l ow i ndi cat ed on t he desi gn dr awi ngs. Val ve shal l modul at e by sensi ng t he pr essur e di f f er ent i al acr oss t he val ve body. Val ve shal l be sel ect ed f or t he f l ow r equi r ed and pr ovi ded wi t h a per manent namepl at e or t ag car r y i ng a per manent r ecor d of t he f act or y- det er mi ned f l ow r at e and f l ow cont r ol pr essur e l evel s. Pr ovi de

SECTI ON 23 05 15 Page 18 val ve t hat cont r ol s t he f l ow wi t hi n 5 per cent of t he t ag r at i ng. Val ve mat er i al s shal l be t he same as speci f i ed f or t he bal l or pl ug val ves.

Pr ovi de val ves t hat ar e el ect r i c t ype as i ndi cat ed. Val ve shal l be capabl e of posi t i ve shut of f agai nst t he syst em pump head, val ve bodi es shal l be pr ovi ded wi t h t apped openi ngs and pi pe ext ensi ons wi t h shut of f val ves out s i de of pi pe i nsul at i on. The pi pe ext ensi ons shal l be pr ovi ded wi t h qui ck connect i ng hose f i t t i ngs and di f f er ent i al met er , sui t abl e f or t he oper at i ng pr essur e speci f i ed. Pr ovi de t he met er compl et e wi t h hoses, vent , i nt egr al met er i ng connect i ons, and car r y i ng case as r ecommended by t he val ve manuf act ur er .

2. 3. 5 Wat er Temper at ur e Mi xi ng Val ve

Valve, ASSE 1017 f or wat er ser vi ce.

2. 3. 6 Wat er Temper at ur e Regul at i ng Val ves

Pr ovi de copper al l oy body, di r ect act i ng, pi l ot oper at ed, f or t he i nt ended service.

2. 3. 7 Wat er Pr essur e Reduci ng Val ve

Valve, ASSE 1003 f or wat er ser vi ce, copper al l oy body.

2. 3. 8 Pr essur e Rel i ef Val ve

Val ve shal l pr event excessi ve pr essur e i n t he pi pi ng syst em when t he pi pi ng syst em r eaches i t s maxi mum heat bui l dup. Val ve, ANSI Z21. 22/ CSA 4.