26 23 00.pdf

Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 26 23 00

LOW- VOLTAGE SWI TCHGEAR

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 i n t he t ext by t he basi c desi gnat i on onl y.

ASTM I NTERNATI ONAL ( ASTM)

ASTM A123/ A123M ( 2013) St andar d Speci f i cat i on f or Zi nc ( Hot - Di p Gal vani zed) Coat i ngs on I r on and St eel Pr oduct s

ASTM A153/ A153M ( 2016) St andar d Speci f i cat i on f or Zi nc Coat i ng ( Hot - Di p) on I r on and St eel Hardware

ASTM A240/ A240M ( 2015b) St andar d Speci f i cat i on f or Chr omi um and Chr omi um- Ni ckel St ai nl ess St eel Pl at e, Sheet , and St r i p f or Pr essur e Vessel s and f or Gener al Appl i cat i ons

ASTM A653/ A653M ( 2015) St andar d Speci f i cat i on f or St eel Sheet , Zi nc- Coat ed ( Gal vani zed) or Zi nc- I r on Al l oy- Coat ed ( Gal vanneal ed) by t he Hot - Di p Pr ocess

ASTM A780/ A780M ( 2009; R 2015) St andar d Pr act i ce f or Repai r of Damaged and Uncoat ed Ar eas of Hot - Di p Gal vani zed Coat i ngs

ASTM D149 ( 2009; R 2013) Di el ect r i c Br eakdown Vol t age and Di el ect r i c St r engt h of Sol i d El ect r i cal I nsul at i ng Mat er i al s at Commer ci al Power Fr equenci es

ASTM D1535 ( 2014) Speci f y i ng Col or by t he Munsel l System

ASTM D709 ( 2016) Lami nat ed Ther moset t i ng Mat er i al s

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

I EEE 100 ( 2000; Ar chi ved) The Aut hor i t at i ve Di ct i onar y of I EEE St andar ds Ter ms

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; I NT 12 2016) Nat i onal El ect r i cal Saf et y Code

I EEE C37. 13 ( 2015) St andar d f or Low- Vol t age AC Power

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Ci r cui t Br eaker s Used i n Encl osur es

I EEE C37. 20. 1 ( 2015) St andar d f or Met al - Encl osed Low- Vol t age Power Ci r cui t - Br eaker Switchgear

I EEE C37. 90. 1 ( 2013) St andar d f or Sur ge Wi t hst and Capabi l i t y ( SWC) Test s f or Rel ays and Rel ay Syst ems Associ at ed wi t h El ect r i c Power Appar at us

I EEE C57. 12. 28 ( 2014) St andar d f or Pad- Mount ed Equi pment

- Encl osur e I nt egr i t y

I EEE C57. 12. 29 ( 2014) St andar d f or Pad- Mount ed Equi pment

- Encl osur e I nt egr i t y f or Coast al Environments

I NTERNATI ONAL ELECTRI CAL TESTI NG ASSOCI ATI ON ( NETA)

NETA ATS ( 2013) St andar d f or Accept ance Test i ng Speci f i cat i ons f or El ect r i cal Power Equi pment and Syst ems

NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)

ANSI C12. 1 ( 2008) El ect r i c Met er s Code f or El ect r i c i t y Met er i ng

NEMA I CS 6 ( 1993; R 2011) Encl osur es

NEMA LI 1 ( 1998; R 2011) I ndust r i al Lami nat i ng Ther moset t i ng Pr oduct 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

UNDERWRI TERS LABORATORI ES ( UL)

UL 1558 ( 1999; Repr i nt Apr 2010) Met al - Encl osed Low- Vol t age Power Ci r cui t Br eaker Switchgear

1. 2 RELATED REQUI REMENTS

Sect i on 26 08 00 APPARATUS I NSPECTI ON AND TESTI NG appl i es t o t hi s sect i on, wi t h t he addi t i ons and modi f i cat i ons speci f i ed her ei n.

1. 3 DEFINITIONS

Unl ess ot her wi se speci f i ed or i ndi cat ed, el ect r i cal and el ect r oni cs t er ms used i n t hese speci f i cat i ons, and on t he dr awi ngs, ar e as def i ned i n

I EEE 100.

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1. 4 SUBMITTALS

Gover nment appr oval i s r equi r ed f or al l submi t t al s. 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

Swi t chgear Dr awi ngs

SD- 03 Pr oduct Dat a

Switchgear

SD- 06 Test Repor t s

Accept ance Checks and Test s

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

Swi t chgear Oper at i on and Mai nt enance

SD- 11 Cl oseout Submi t t al s

Assembl ed Oper at i on and Mai nt enance Manual s

Requi r ed Set t i ngs

Ser vi ce Ent r ance Avai l abl e Faul t Cur r ent Label

1. 5 QUALI TY ASSURANCE

1. 5. 1 Pr oduct Dat a

I ncl ude manuf act ur er ' s i nf or mat i on on each submi t t al f or each component , devi ce and accessor y pr ovi ded wi t h t he swi t chgear i ncl udi ng:

a. Ci r cui t br eaker t ype, i nt er r upt i ng r at i ng, and t r i p devi ces, i ncl udi ng avai l abl e set t i ngs.

b. Manuf act ur er ' s i nst r uct i on manual s and publ i shed t i me- cur r ent cur ves ( i n el ect r oni c f or mat ) of t he mai n secondar y br eaker and l ar gest secondar y f eeder devi ce.

1. 5. 2 Swi t chgear Dr awi ngs

I ncl ude wi r i ng di agr ams and i nst al l at i on det ai l s of equi pment i ndi cat i ng pr oposed l ocat i on, l ayout and ar r angement , cont r ol panel s, accessor i es, pi pi ng, duct wor k, and ot her i t ems t hat must be shown t o ensur e a coor di nat ed i nst al l at i on. I dent i f y c i r cui t t er mi nal s on wi r i ng di agr ams and i ndi cat e t he i nt er nal wi r i ng f or each i t em of equi pment and t he i nt er connect i on bet ween each i t em of equi pment . I ndi cat e on t he dr awi ngs adequat e c l ear ance f or oper at i on, mai nt enance, and r epl acement of oper at i ng equi pment devi ces. I ncl ude t he namepl at e dat a, s i ze, and capaci t y on submi t t al . Al so i ncl ude appl i cabl e f eder al , mi l i t ar y, i ndust r y, and t echni cal soci et y publ i cat i on r ef er ences on submi t t al s.

I ncl ude t he f ol l owi ng:

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a. One- l i ne di agr am i ncl udi ng br eaker s, cur r ent t r ansf or mer s, and met er s.

b. Out l i ne dr awi ngs i ncl udi ng f r ont el evat i on, sect i on v i ews, f oot pr i nt , and over al l di mensi ons.

c. Bus conf i gur at i on i ncl udi ng di mensi ons and amper e r at i ngs of bus bar s.

d. Mar ki ngs and NEMA namepl at e dat a, i ncl udi ng f use i nf or mat i on ( manuf act ur er ' s name, cat al og number , and r at i ngs) .

e. Ci r cui t br eaker t ype, i nt er r upt i ng r at i ng, and t r i p devi ces, i ncl udi ng avai l abl e set t i ngs.

f . Wi r i ng di agr ams and el ement ar y di agr ams wi t h t er mi nal s i dent i f i ed, and i ndi cat i ng pr ewi r ed i nt er connect i ons bet ween i t ems of equi pment and t he i nt er connect i on bet ween t he i t ems.

g. Manuf act ur er ' s i nst r uct i on manual s and publ i shed t i me- cur r ent cur ves ( i n el ect r oni c f or mat ) of t he mai n secondar y br eaker and l ar gest secondar y f eeder devi ce. Use t hi s i nf or mat i on ( desi gner of r ecor d) t o pr ovi de br eaker set t i ngs t hat ensur es pr ot ect i on and coor di nat i on ar e achi eved.

h. Pr ovi s i ons f or f ut ur e expansi on by addi ng swi t chgear sect i ons.

1. 5. 3 Regul at or y Requi r ement s

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 " or " must " 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 . Pr ovi de equi pment , mat er i al s, i nst al l at i on, and wor kmanshi p i n accor dance wi t h t he mandat or y and advi sor y pr ovi s i ons of NFPA 70 unl ess mor e st r i ngent r equi r ement s ar e speci f i ed or i ndi cat ed.

1. 5. 4 St andar d Pr oduct s

Pr ovi de mat er i al s and equi pment t hat ar e pr oduct s of manuf act ur er s r egul ar l y engaged i n t he pr oduct i on of such pr oduct s whi ch ar e of equal mat er i al , desi gn and wor kmanshi p, and:

a. 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 i ncl udi ng 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.

b. Have been on 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.

c. Wher e t wo or mor e i t ems of t he same cl ass of equi pment ar e r equi r ed, pr ovi de pr oduct s of a s i ngl e manuf act ur er ; however , t he component par t s of t he i t em need not be t he pr oduct s of t he same manuf act ur er unl ess st at ed i n t hi s sect i on.

1. 5. 4. 1 Al t er nat i ve Qual i f i cat i ons

Pr oduct s havi ng l ess t han a 2- 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

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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, i s f ur ni shed.

1. 5. 4. 2 Mat er i al and Equi pment Manuf act ur i ng Dat e

Pr oduct s manuf act ur ed mor e t han 1 year pr i or t o dat e of del i ver y t o s i t e ar e not accept abl e.

1. 6 MAINTENANCE

1. 6. 1 Swi t chgear Oper at i on and Mai nt enance Dat a

Submi t Oper at i on and Mai nt enance Manual s i n accor dance wi t h Sect i on

01 78 23 OPERATI ON AND MAI NTENANCE DATA.

1. 6. 2 Assembl ed Oper at i on and Mai nt enance Manual s

Assembl e and secur el y bi nd manual s i n dur abl e, har d cover ed, wat er r esi st ant bi nder s. Assembl e and i ndex t he manual s i n t he f ol l owi ng or der wi t h a t abl e of cont ent s:

a. Manuf act ur er ' s O&M i nf or mat i on r equi r ed by t he par agr aph SD- 10, OPERATI ON AND MAI NTENANCE DATA.

b. Cat al og dat a r equi r ed by t he par agr aph SD- 03, PRODUCT DATA.

c. Dr awi ngs r equi r ed by t he par agr aph SD- 02, SHOP DRAWI NGS.

d. Pr i ces f or spar e par t s and suppl y l i s t .

e. I nf or mat i on on met er i ng.

f . Desi gn t est r epor t s.

g. Pr oduct i on t est r epor t s.

1. 6. 3 Spar e Par t s

Pr ovi de spar e par t s as speci f i ed bel ow. Pr ovi de spar e par t s t hat ar e of t he same mat er i al and wor kmanshi p, meet t he same r equi r ement s, and ar e i nt er changeabl e wi t h t he cor r espondi ng or i gi nal par t s f ur ni shed.

a. Quant i t y 2 - Fuses of each t ype and si ze.

1. 7 WARRANTY

Pr ovi de equi pment i t ems t hat ar e suppor t ed by ser vi ce or gani zat i ons r easonabl y conveni ent t o t he equi pment i nst al l at i on i n or der 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 war r ant y per i od of t he cont r act .

PART 2 PRODUCTS

2. 1 PRODUCT COORDI NATI ON

Pr oduct s and mat er i al s not consi der ed t o be swi t chgear and r el at ed accessor i es ar e speci f i ed i n Sect i on 33 71 02 UNDERGROUND ELECTRI CAL DI STRI BUTI ON, and Sect i on 26 20 00 I NTERI OR DI STRI BUTI ON SYSTEM.

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2. 2 SWITCHGEAR

I EEE C37. 20. 1 and UL 1558.

2. 2. 1 Ratings

Pr ovi de equi pment wi t h t he f ol l owi ng r at i ngs:

a. Vol t age r at i ng: as i ndi cat ed.

b. Cont i nuous cur r ent r at i ng of t he mai n bus: as i ndi cat ed.

c. Shor t - c i r cui t cur r ent r at i ng: as i ndi cat ed.

d. UL l i s t ed and l abel ed f or i t s i nt ended use.

2. 2. 2 Construction

Pr ovi de t he f ol l owi ng:

a. Swi t chgear : consi st i ng of ver t i cal sect i ons bol t ed t oget her t o f or m a r i gi d assembl y and f r ont and r ear al i gned as i ndi cat ed.

b. Al l c i r cui t br eaker s: f r ont accessi bl e wi t h r ear l oad connect i ons.

c. Compar t ment al i zed swi t chgear : ver t i cal i nsul at i ng bar r i er s bet ween t he f r ont devi ce sect i on, t he mai n bus sect i on, and t he cabl e compar t ment wi t h f ul l f r ont t o r ear ver t i cal i nsul at i ng bar r i er s bet ween adj acent sect i ons.

d. Wher e i ndi cat ed, " space f or f ut ur e" or " space" means t o i ncl ude al l necessar y component s and har dwar e t o be f ul l y equi pped f or r acki ng i n a c i r cui t br eaker el ement .

e. I nsul at i ng bar r i er s: pr ovi ded i n accor dance wi t h NEMA LI 1, Type GPO- 3, 0. 25 i nch mi ni mum t hi ckness.

2. 2. 2. 1 Enclosure

Pr ovi de t he f ol l owi ng:

a. Encl osur e: NEMA I CS 6 Type as i ndi cat ed.

b. Encl osur e: bol t ed t oget her wi t h r emovabl e bol t - on s i de and hi nged r ear cover s.

c. Fr ont door s: pr ovi ded wi t h st ai nl ess st eel padl ockabl e vaul t handl es wi t h a t hr ee poi nt cat ch.

d. Bases, f r ames and channel s of encl osur e: cor r osi on r esi st ant and f abr i cat ed of ASTM A240/ A240M t ype 304 or 304L st ai nl ess st eel or gal vani zed st eel .

e. Base: i ncl udes any par t of encl osur e t hat i s wi t hi n 3 i nches of concr et e pad.

f . Gal vani zed st eel : ASTM A123/ A123M, ASTM A653/ A653M G90 coat i ng, and ASTM A153/ A153M, as appl i cabl e. Gal vani ze af t er f abr i cat i on wher e practicable.

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g. Pai nt col or : ASTM D1535 l i ght gr ay No. 61 or No. 49 over r ust inhibitor.

h. Pai nt coat i ng syst em: compl y wi t h I EEE C57. 12. 28 f or gal vani zed st eel and I EEE C57. 12. 29 f or st ai nl ess st eel .

i . I nf r ar ed vi ewi ng wi ndows: i nst al l t o al l ow t he use of an i nf r ar ed camer a or t her mal i mager di r ect l i ne of s i t e t o i nspect el ect r i cal connect i ons wi t hout r equi r i ng t he openi ng of panel s and door s. These wi ndows ar e i nt ended t o al l ow t her mogr apher s t he abi l i t y t o i nspect t he el ect r i cal equi pment wi t hout di r ect l y exposi ng t hemsel ves t o l i ve el ect r i cal component s and ener gi zed devi ces.

2. 2. 2. 2 Bus Bar s

Pr ovi de t he f ol l owi ng:

a. Bus bar s: copper wi t h s i l ver - pl at ed cont act sur f aces.

( 1) Phase bus bar s: i nsul at ed wi t h an epoxy f i ni sh coat i ng powder or i nsul at i ng s l eeve pr ovi di ng a mi ni mum br eakdown vol t age of 16, 000 vol t s per ASTM D149.

( 2) Neut r al bus: r at ed 100 per cent of t he mai n bus cont i nuous cur r ent r at i ng as i ndi cat ed.

b. Make bus connect i ons and j oi nt s wi t h har dened st eel bol t s.

c. Mai n- bus ( t hr ough bus) : r at ed at t he f ul l ampaci t y of t he mai n t hr oughout t he swi t chgear .

d. Mi ni mum one- quar t er by 2 i nch copper gr ound bus secur ed t o each ver t i cal sect i on al ong t he ent i r e l engt h of t he swi t chgear .

2. 2. 2. 3 Mai n Sect i on

Pr ovi de t he mai n sect i on consi st i ng of an i ndi v i dual l y mount ed dr awout ai r power c i r cui t br eaker and ut i l i t y t r ansf or mer compar t ment .

2. 2. 2. 4 Di st r i but i on Sect i ons

Pr ovi de t he di st r i but i on sect i ons consi st i ng of i ndi v i dual l y mount ed, dr awout , ai r power c i r cui t br eaker s and ut i l i t y t r ansf or mer compar t ment s as i ndi cat ed.

2. 2. 2. 5 Auxi l i ar y Sect i ons

Pr ovi de auxi l i ar y sect i ons consi st i ng of i ndi cat ed i nst r ument s, met er i ng equi pment , cont r ol equi pment , t r ansf or mer , and cur r ent t r ansf or mer compar t ment s as i ndi cat ed.

2. 2. 2. 6 Handles

Pr ovi de handl es f or i ndi v i dual l y mount ed devi ces of t he same desi gn and met hod of ext er nal oper at i on. Label handl es pr omi nent l y t o i ndi cat e devi ce amper e r at i ng, col or coded f or devi ce t ype. I dent i f y ON- OFF i ndi cat i on by handl e posi t i on and by pr omi nent mar ki ng.

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2. 2. 3 Pr ot ect i ve Devi ce

Pr ovi de mai n and br anch pr ot ect i ve devi ces as i ndi cat ed.

Pr ovi de t he f ol l owi ng:

a. I EEE C37. 13. el ect r i cal l y oper at ed dr awout , unf used, l ow- vol t age power c i r cui t br eaker wi t h a shor t - c i r cui t cur r ent r at i ng as i ndi cat ed.

b. Br eaker f r ame si ze: as i ndi cat ed.

c. Equi p el ect r i cal l y oper at ed br eaker s wi t h mot or - char ged, st or ed- ener gy c l osi ng mechani sm t o per mi t r api d and saf e c l osi ng of t he br eaker agai nst f aul t cur r ent s wi t hi n t he shor t t i me r at i ng of t he br eaker , i ndependent of t he oper at or ' s st r engt h or ef f or t i n c l osi ng t he handl e.

2. 2. 4 Dr awout Br eaker s

Equi p dr awout br eaker s wi t h di sconnect i ng cont act s, wheel s, and i nt er l ocks f or dr awout appl i cat i on. Pr ovi de mai n, auxi l i ar y, and cont r ol di sconnect i ng cont act s wi t h s i l ver - pl at ed, mul t i f i nger , posi t i ve pr essur e, sel f - al i gni ng t ype. Pr ovi de dr awout compar t ment shut t er s t o pr ot ect oper at or s f r om acci dent al cont act wi t h br eaker st abs when t he br eaker i s wi t hdr awn f r om i t s cubi c l e. Pr ovi de each dr awout br eaker wi t h f our - posi t i on oper at i on wi t h each posi t i on c l ear l y i dent i f i ed by an i ndi cat or on t he ci r cui t br eaker f r ont panel as f ol l ows.

a. Connect ed Posi t i on: Pr i mar y and secondar y cont act s ar e f ul l y engaged. Br eaker must be t r i pped bef or e r acki ng i nt o or out of position.

b. Test Posi t i on: Pr i mar y cont act s ar e di sconnect ed but secondar y cont act s r emai n f ul l y engaged. Thi s posi t i on al l ows compl et e t est and oper at i on of t he br eaker wi t hout ener gi z i ng t he pr i mar y c i r cui t .

c. Di sconnect ed Posi t i on: Pr i mar y and secondar y cont act s ar e disconnected.

d. Wi t hdr awn ( Removed) Posi t i on: Pl aces br eaker compl et el y out of compar t ment , r eady f or r emoval . Removal of t he br eaker act uat es assembl y t hat i sol at es t he pr i mar y st abs.

2. 2. 5 El ect r oni c Tr i p Uni t s

Equi p mai n and di st r i but i on br eaker s as i ndi cat ed wi t h a sol i d- st at e t r i ppi ng syst em consi st i ng of t hr ee cur r ent sensor s and a mi cr opr ocessor - based t r i p uni t t hat pr ovi des t r ue r ms sensi ng adj ust abl e t i me- cur r ent c i r cui t pr ot ect i on. I ncl ude t he f ol l owi ng:

a. Cur r ent sensor s amper e r at i ng: as i ndi cat ed.

b. Tr i p uni t amper e r at i ng: as i ndi cat ed.

c. Gr ound f aul t pr ot ect i on: as i ndi cat ed.

d. El ect r oni c t r i p uni t s: pr ovi de addi t i onal f eat ur es as i ndi cat ed:

( 1) I ndi cat ed Br eaker s: i ncl ude l ong del ay pi ck- up and t i me set t i ngs, and i ndi cat i on of cause of c i r cui t br eaker t r i p.

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( 2) Mai n br eaker s: i ncl ude shor t del ay pi ck- up and t i me set t i ngs and, i nst ant aneous set t i ngs and gr ound f aul t set t i ngs as i ndi cat ed.

( 3) Di st r i but i on br eaker s: i ncl ude shor t del ay pi ck- up and t i me set t i ngs, i nst ant aneous set t i ngs, and gr ound f aul t set t i ngs as indicated.

( 8) For el ect r oni c t r i p uni t s t hat ar e r at ed f or or can be adj ust ed t o 1, 200 amper es or hi gher , pr ovi de ar c ener gy r educt i on capabi l i t y wi t h an ener gy- r educi ng mai nt enance swi t ch wi t h l ocal st at us indicator.

2. 2. 6 Metering

2. 2. 6. 1 Di gi t al Met er s

I EEE C37. 90. 1 f or sur ge wi t hst and. Pr ovi de t r ue r ms, pl us/ mi nus one per cent accur acy, pr ogr ammabl e, mi cr opr ocessor - based met er encl osed i n a seal ed case wi t h t he f ol l owi ng f eat ur es.

a. Di spl ay capabi l i t y :

( 1) Mul t i - Funct i on Met er : Di spl ay a sel ect ed phase t o neut r al vol t age, phase t o phase vol t age, per cent phase t o neut r al vol t age THD, per cent phase t o phase vol t age THD; a sel ect ed phase cur r ent , neut r al cur r ent , per cent phase cur r ent THD, per cent neut r al cur r ent ; sel ect ed t ot al PF, kW, KVA, kVAR, FREQ, kVAh, kWh.

Det ect ed al ar m condi t i ons i ncl ude over / under cur r ent , over / under vol t age, over / under KVA, over / under f r equency, over / under sel ect ed PF/ kVAR, vol t age phase r ever sal , vol t age i mbal ance, r ever se power , over per cent THD. I ncl ude a For m C KYZ pul se out put r el ay on t he meter.

( 2) Power Met er : Di spl ay Wat t s, VARs, and sel ect ed KVA/ PF. Det ect ed al ar m condi t i ons i ncl ude over / under KVA, over / under PF, over / under VARs, over / under r ever se power .

( 3) Vol t Met er : Pr ovi de capabi l i t y t o be sel ect abl e bet ween di spl ay of t he t hr ee phases of phase t o neut r al vol t ages and si mul t aneous di spl ay of t he t hr ee phases of t he phase t o phase vol t ages.

Det ect ed al ar m condi t i ons i ncl ude over / under vol t age, over / under vol t age i mbal ance, over per cent THD.

( 4) Ammet er : Di spl ay phase A, B, and C cur r ent s. Det ect ed al ar m condi t i ons i ncl ude over / under cur r ent , over per cent THD.

( 5) Di gi t al Wat t hour Met er : Pr ovi de a s i ngl e sel ect abl e di spl ay f or wat t s, t ot al k i l owat t hour s ( kWh) and wat t demand ( Wd) . I ncl ude a For m C KYZ pul se out put r el ay on t he met er .

b. Desi gn met er s t o accept i nput f r om st andar d 5A secondar y i nst r ument t r ansf or mer s and di r ect vol t age moni t or i ng r ange t o 600 vol t s, phase t o phase.

c. Pr ovi de pr ogr ammi ng vi a a f r ont panel di spl ay and a communi cat i on i nt er f ace accessi bl e by a comput er .

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d. Pr ovi de passwor d secur ed pr ogr ammi ng st or ed i n non- vol at i l e EEPROM memory.

f . Pr ovi de met er t hat cal cul at es and st or es aver age max/ mi n demand val ues wi t h t i me and dat e f or al l r eadi ngs based on a user sel ect abl e s l i di ng wi ndow aver agi ng per i od.

g. Pr ovi de met er wi t h pr ogr ammabl e hi / l ow set l i mi t s wi t h t wo For m C dr y cont act r el ays when exceedi ng al ar m condi t i ons.

i . I ncl ude hi st or i cal t r end l oggi ng capabi l i t y wi t h t he abi l i t y t o st or e up t o 100, 000 dat a poi nt s wi t h i nt er val s of 1 second t o 180 mi nut es.

Pr ovi de a uni t t hat can st or e and t i me st amp up t o 1000 pr ogr ammabl e t r i gger ed condi t i ons.

2. 2. 7 Ter mi nal Boar ds

Pr ovi de wi t h engr aved pl ast i c t er mi nal st r i ps and scr ew t ype t er mi nal s f or ext er nal wi r i ng bet ween component s and f or i nt er nal wi r i ng bet ween r emovabl e assembl i es. Pr ovi de shor t - c i r cui t i ng t ype t er mi nal boar ds associ at ed wi t h cur r ent t r ansf or mer . Ter mi nat e conduct or s f or cur r ent t r ansf or mer s wi t h r i ng- t ongue l ugs. Pr ovi de t er mi nal boar d i dent i f i cat i on t hat i s i dent i cal i n s i mi l ar uni t s. Pr ovi de col or coded ext er nal wi r i ng t hat i s col or coded consi st ent l y f or s i mi l ar t er mi nal boar ds.

2. 2. 8 Wi r e Mar ki ng

Mar k cont r ol and met er i ng conduct or s at each end. Pr ovi de f act or y i nst al l ed, whi t e, pl ast i c t ubi ng, heat st amped wi t h bl ack bl ock t ype l et t er s on f act or y- i nst al l ed wi r i ng. On f i el d- i nst al l ed wi r i ng, pr ovi de whi t e, pr epr i nt ed, pol yvi nyl chl or i de ( PVC) s l eeves, heat st amped wi t h bl ack bl ock t ype l et t er s. Pr ovi de a s i ngl e l et t er or number on each sl eeve, el l i pt i cal l y shaped t o secur el y gr i p t he wi r e, and keyed i n such a manner t o ensur e al i gnment wi t h adj acent s l eeves. Pr ovi de speci f i c wi r e mar ki ngs usi ng t he appr opr i at e combi nat i on of i ndi v i dual s l eeves.

I ndi cat e on each wi r e mar ker t he devi ce or equi pment , i ncl udi ng speci f i c t er mi nal number t o whi ch t he r emot e end of t he wi r e i s at t ached.

2. 3 MANUFACTURER' S NAMEPLATE

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 accept abl e. Thi s namepl at e and met hod of at t achment may be t he manuf act ur er ' s st andar d i f i t cont ai ns t he r equi r ed i nf or mat i on.

2. 4 FI ELD FABRI CATED NAMEPLATES

ASTM D709. Pr ovi de l ami nat ed pl ast i c namepl at es f or each swi t chgear , equi pment encl osur e, r el ay, swi t ch, and devi ce; as speci f i ed i n t hi s sect i on or as i ndi cat ed on t he dr awi ngs. I dent i f y on each namepl at e i nscr i pt i on t he f unct i on and, when appl i cabl e, t he posi t i on. Pr ovi de namepl at es of mel ami ne pl ast i c, 0. 125 i nch t hi ck, whi t e wi t h bl ack cent er cor e. Pr ovi de r ed l ami nat ed pl ast i c l abel wi t h whi t e cent er cor e wher e i ndi cat ed. Pr ovi de mat t e f i ni sh sur f ace. Pr ovi de squar e cor ner s.

Accur at el y al i gn l et t er i ng and engr ave i nt o t he cor e. Pr ovi de namepl at es wi t h mi ni mum si ze of one by 2. 5 i nches. Pr ovi de l et t er i ng t hat i s a mi ni mum of 0. 25 i nch hi gh nor mal bl ock st y l e.

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2. 5 COORDI NATED POWER SYSTEM PROTECTI ON

Pr ovi de a power syst em st udy as speci f i ed i n Sect i on 26 28 01. 00 10

COORDI NATED POWER SYSTEM PROTECTI ON.

2. 6 ARC FLASH WARNI NG LABEL

Pr ovi de war ni ng l abel f or swi t chgear . Locat e t hi s sel f - adhesi ve war ni ng l abel on t he out si de of t he encl osur e war ni ng of pot ent i al el ect r i cal ar c f l ash hazar ds and appr opr i at e PPE r equi r ed. Pr ovi de l abel f or mat as indicated.

2. 7 SERVI CE ENTRANCE AVAI LABLE FAULT CURRENT LABEL

Pr ovi de l abel on ext er i or of swi t chgear used as ser vi ce equi pment l i s t i ng t he maxi mum avai l abl e f aul t cur r ent at t hat l ocat i on. I ncl ude on t he l abel t he dat e t hat t he f aul t cal cul at i on was per f or med and t he cont act i nf or mat i on f or t he or gani zat i on t hat compl et ed t he cal cul at i on. Locat e t hi s sel f - adhesi ve war ni ng l abel on t he out si de of t he swi t chgear .

Pr ovi de l abel f or mat as i ndi cat ed.

PART 3 EXECUTI ON

3. 1 INSTALLATION

Conf or m t o I EEE C2, NFPA 70, and t o t he r equi r ement s speci f i ed her ei n.

Pr ovi de new equi pment and mat er i al s unl ess i ndi cat ed or speci f i ed otherwise.

3. 2 I NSTALLATI ON OF EQUI PMENT AND ASSEMBLI ES

I nst al l and connect equi pment f ur ni shed under t hi s sect i on as i ndi cat ed on pr oj ect dr awi ngs, t he appr oved shop dr awi ngs, and as speci f i ed her ei n.

3. 2. 1 Switchgear

I EEE C37. 20. 1.

3. 2. 2 Met er s and I nst r ument Tr ansf or mer s

ANSI C12. 1.

3. 2. 3 Fi el d Appl i ed Pai nt i ng

Wher e f i el d pai nt i ng of encl osur es i s r equi r ed t o cor r ect damage t o t he manuf act ur er ' s f act or y appl i ed coat i ngs, pr ovi de manuf act ur er ' s r ecommended coat i ngs and appl y i n accor dance wi t h manuf act ur er ' s instructions.

3. 2. 4 Gal vani z i ng Repai r

Repai r damage t o gal vani zed coat i ngs usi ng ASTM A780/ A780M, z i nc r i ch pai nt , f or gal vani z i ng damaged by handl i ng, t r anspor t i ng, cut t i ng, wel di ng, or bol t i ng. Do not heat sur f aces t hat r epai r pai nt has been appl i ed t o.

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3. 2. 5 Fi el d Fabr i cat ed Namepl at e Mount i ng

Pr ovi de number , l ocat i on, and l et t er desi gnat i on of namepl at es as i ndi cat ed. Fast en namepl at es t o t he devi ce wi t h a mi ni mum of t wo sheet - met al scr ews or t wo r i vet s.

3. 3 FOUNDATI ON FOR EQUI PMENT AND ASSEMBLI ES

3. 3. 1 I nt er i or Locat i on

Mount swi t chgear on concr et e s l ab as f ol l ows:

a. Unl ess ot her wi se i ndi cat ed, pr ovi de t he sl ab wi t h di mensi ons at l east 4 i nches t hi ck.

b. I nst al l s l ab such t hat t he t op of t he concr et e s l ab i s appr oxi mat el y 4 i nches above t he f i ni shed gr ade.

c. Pr ovi de edges above gr ade 1/ 2 i nch chamf er .

d. Pr ovi de sl ab of adequat e s i ze t o pr oj ect at l east 8 i nches beyond t he equipment.

e. Pr ovi de condui t t ur nups and cabl e ent r ance space r equi r ed by t he equi pment t o be mount ed.

f . Seal voi ds ar ound condui t openi ngs i n s l ab wi t h wat er - and oi l - r esi st ant caul k i ng or seal ant .

g. Cut of f and bush condui t s 3 i nches above sl ab sur f ace.

h. Pr ovi de concr et e wor k as speci f i ed i n Sect i on 03 30 00 CAST- I N- PLACE

CONCRETE.

3. 4 FI ELD QUALI TY CONTROL

Submi t Requi r ed Set t i ngs of br eaker s t o t he Cont r act i ng Of f i cer af t er appr oval of swi t chgear and at l east 30 days i n advance of t hei r requirement.

3. 4. 1 Per f or mance of Accept ance Checks and Test s

Per f or m i n accor dance wi t h t he manuf act ur er ' s r ecommendat i ons and i ncl ude t he f ol l owi ng vi sual and mechani cal i nspect i ons and el ect r i cal t est s, per f or med i n accor dance wi t h NETA ATS.

3. 4. 1. 1 Switchgear

a. Vi sual and Mechani cal I nspect i on

( 1) Compar e equi pment namepl at e dat a wi t h speci f i cat i ons and appr oved shop dr awi ngs.

( 2) I nspect physi cal , el ect r i cal , and mechani cal condi t i on.

( 3) Ver i f y appr opr i at e anchor age, r equi r ed ar ea cl ear ances, and cor r ect al i gnment .

( 4) Cl ean swi t chgear and ver i f y shi ppi ng br aci ng, l oose par t s, and

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( 5) I nspect al l door s, panel s, and sect i ons f or pai nt , dent s, scr at ches, f i t , and mi ssi ng har dwar e.

( 6) Ver i f y t hat c i r cui t br eaker s i zes and t ypes cor r espond t o appr oved shop dr awi ngs as wel l as t o t he c i r cui t br eaker ’ s addr ess f or mi cr opr ocessor - communi cat i on packages.

( 7) Ver i f y t hat cur r ent t r ansf or mer r at i os cor r espond t o appr oved shop drawings.

( 8) I nspect al l bol t ed el ect r i cal connect i ons f or hi gh r esi st ance usi ng l ow- r esi st ance ohmmet er , ver i f y i ng t i ght ness of accessi bl e bol t ed el ect r i cal connect i ons by cal i br at ed t or que- wr ench met hod, or per f or mi ng t her mogr aphi c sur vey.

( 9) Conf i r m cor r ect oper at i on and sequenci ng of el ect r i cal and mechani cal i nt er l ock syst ems.

( 10) Conf i r m cor r ect appl i cat i on of manuf act ur er ' s r ecommended lubricants.

( 11) I nspect i nsul at or s f or evi dence of physi cal damage or cont ami nat ed sur f aces.

( 12) Ver i f y cor r ect bar r i er and shut t er i nst al l at i on and oper at i on.

( 13) Exer ci se al l act i ve component s.

( 14) I nspect al l mechani cal i ndi cat i ng devi ces f or cor r ect oper at i on.

( 15) Ver i f y t hat f i l t er s ar e i n pl ace and vent s ar e c l ear .

( 16) Test oper at i on, al i gnment , and penet r at i on of i nst r ument t r ansf or mer wi t hdr awal di sconnect s.

( 17) I nspect cont r ol power t r ansf or mer s.

b. El ect r i cal Test s

( 1) Per f or m i nsul at i on- r esi st ance t est s on each bus sect i on.

( 2) Per f or m di el ect r i c wi t hst and vol t age t est s.

( 3) Per f or m i nsul at i on- r esi st ance t est on cont r ol wi r i ng; Do not per f or m t hi s t est on wi r i ng connect ed t o sol i d- st at e component s.

( 4) Per f or m cont r ol wi r i ng per f or mance t est .

( 5) Per f or m pr i mar y cur r ent i nj ect i on t est s on t he ent i r e cur r ent c i r cui t i n each sect i on of assembl y.

( 6) Per f or m phasi ng check on doubl e- ended swi t chgear t o ensur e cor r ect bus phasi ng f r om each sour ce.

3. 4. 1. 2 Ci r cui t Br eaker s - Low Vol t age - Power

a. Vi sual and Mechani cal I nspect i on

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( 1) Compar e namepl at e dat a wi t h speci f i cat i ons and appr oved shop drawings.

( 2) I nspect physi cal and mechani cal condi t i on.

( 3) I nspect anchor age, al i gnment , and gr oundi ng.

( 4) Ver i f y t hat al l mai nt enance devi ces ar e avai l abl e f or ser vi c i ng and oper at i ng t he br eaker .

( 5) I nspect ar c chut es.

( 6) I nspect movi ng and st at i onar y cont act s f or condi t i on, wear , and alignment.

( 7) Ver i f y t hat pr i mar y and secondar y cont act wi pe and ot her di mensi ons vi t al t o sat i sf act or y oper at i on of t he br eaker ar e correct.

( 8) Per f or m al l mechani cal oper at or and cont act al i gnment t est s on bot h t he br eaker and i t s oper at i ng mechani sm.

( 9) I nspect al l bol t ed el ect r i cal connect i ons f or hi gh r esi st ance usi ng l ow- r esi st ance ohmmet er , ver i f y i ng t i ght ness of accessi bl e bol t ed el ect r i cal connect i ons by cal i br at ed t or que- wr ench met hod, or per f or mi ng t her mogr aphi c sur vey.

( 10) Ver i f y cel l f i t and el ement al i gnment .

( 11) Ver i f y r acki ng mechani sm.

( 12) Conf i r m cor r ect appl i cat i on of manuf act ur er ' s r ecommended lubricants.

b. El ect r i cal Test s

( 1) Per f or m cont act - r esi st ance t est s on each br eaker .

( 2) Per f or m i nsul at i on- r esi st ance t est s.

( 3) Adj ust Br eaker ( s) f or f i nal set t i ngs i n accor dance wi t h Gover nment pr ovi ded set t i ngs.

( 4) Det er mi ne l ong- t i me mi ni mum pi ckup cur r ent by pr i mar y cur r ent injection.

( 5) Det er mi ne l ong- t i me del ay by pr i mar y cur r ent i nj ect i on.

( 6) Det er mi ne shor t - t i me pi ckup and del ay by pr i mar y cur r ent i nj ect i on.

( 7) Det er mi ne gr ound- f aul t pi ckup and del ay by pr i mar y cur r ent injection.

( 8) Det er mi ne i nst ant aneous pi ckup val ue by pr i mar y cur r ent i nj ect i on.

( 9) Act i vat e auxi l i ar y pr ot ect i ve devi ces, such as gr ound- f aul t or under vol t age r el ays, t o ensur e oper at i on of shunt t r i p devi ces;

Check t he oper at i on of el ect r i cal l y- oper at ed br eaker s i n t hei r

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( 10) Ver i f y cor r ect oper at i on of any auxi l i ar y f eat ur es such as t r i p and pi ckup i ndi cat or s, zone i nt er l ocki ng, el ect r i cal c l ose and t r i p oper at i on, t r i p- f r ee, and ant i pump f unct i on.

( 11) Ver i f y oper at i on of char gi ng mechani sm.

3. 4. 1. 3 Cur r ent Tr ansf or mer s

a. Vi sual and Mechani cal I nspect i on

( 1) Compar e equi pment namepl at e dat a wi t h speci f i cat i ons and appr oved shop dr awi ngs.

( 2) I nspect physi cal and mechani cal condi t i on.

( 3) Ver i f y cor r ect connect i on.

( 4) Ver i f y t hat adequat e c l ear ances exi st bet ween pr i mar y and secondar y c i r cui t .

( 5) I nspect al l bol t ed el ect r i cal connect i ons f or hi gh r esi st ance usi ng l ow- r esi st ance ohmmet er , ver i f y i ng t i ght ness of accessi bl e bol t ed el ect r i cal connect i ons by cal i br at ed t or que- wr ench met hod, or per f or mi ng t her mogr aphi c sur vey.

( 6) Ver i f y t hat al l r equi r ed gr oundi ng and shor t i ng connect i ons pr ovi de good cont act .

b. El ect r i cal Test s

( 1) Per f or m r esi st ance measur ement s t hr ough al l bol t ed connect i ons wi t h l ow- r esi st ance ohmmet er , i f appl i cabl e.

( 2) Per f or m i nsul at i on- r esi st ance t est s.

( 3) Per f or m pol ar i t y t est s.

( 4) Per f or m r at i o- ver i f i cat i on t est s.

3. 4. 1. 4 Met er i ng and I nst r ument at i on

a. Vi sual and Mechani cal I nspect i on

( 1) Compar e equi pment namepl at e dat a wi t h speci f i cat i ons and appr oved shop dr awi ngs.

( 2) I nspect physi cal and mechani cal condi t i on.

( 3) Ver i f y t i ght ness of el ect r i cal connect i ons.

b. El ect r i cal Test s

( 1) Det er mi ne accur acy of met er s at 25, 50, 75, and 100 per cent of f ul l scal e.

( 2) Cal i br at e wat t hour met er s accor di ng t o manuf act ur er ' s publ i shed data.

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( 3) Ver i f y al l i nst r ument mul t i pl i er s.

( 4) El ect r i cal l y conf i r m t hat cur r ent t r ansf or mer and vol t age t r ansf or mer secondar y c i r cui t s ar e i nt act .

3. 4. 2 Fol l ow- Up Ver i f i cat i on

Upon compl et i on of accept ance checks, set t i ngs, and t est s, show by demonst r at i on i n ser vi ce t hat c i r cui t s and devi ces ar e i n good oper at i ng condi t i on and pr oper l y per f or mi ng t he i nt ended f unct i on. Tr i p c i r cui t br eaker s by oper at i on of each pr ot ect i ve devi ce. Test each i t em t o per f or m i t s f unct i on not l ess t han t hr ee t i mes. As an except i on t o r equi r ement s st at ed el sewher e i n t he cont r act , pr ovi de t he Cont r act i ng Of f i cer 5 wor ki ng days advance not i ce of t he dat es and t i mes f or checks, set t i ngs, and t est s.

- - End of Sect i on - -

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