DRAFT SPECIFICATION 26 24 13 SWITCHBOARDS.pdf

Power I ndependence, Mi ssi on Cont r ol St at i on - Buckl ey SFB, CO BUCO00102

SECTI ON TABLE OF CONTENTS

DI VI SI ON 26 - ELECTRI CAL

SECTI ON 26 24 13

SWI TCHBOARDS

08/ 21

PART 1 GENERAL

1. 1 REFERENCES

1. 2 RELATED REQUI REMENTS

1. 3 SUSTAI NABI LI TY REQUI REMENTS

1. 4 DEFI NI TI ONS

1. 5 SUBMI TTALS

1. 6 QUALI TY ASSURANCE

1. 6. 1 Pr oduct Dat a

1. 6. 2 Swi t chboar d Dr awi ngs

1. 6. 3 Regul at or y Requi r ement s

1. 6. 4 St andar d Pr oduct s

1. 6. 4. 1 Al t er nat i ve Qual i f i cat i ons

1. 6. 4. 2 Mat er i al and Equi pment Manuf act ur i ng Dat e

1. 7 MAI NTENANCE

1. 7. 1 Swi t chboar d Oper at i on and Mai nt enance Dat a

1. 7. 2 Assembl ed Oper at i on and Mai nt enance Manual s

1. 8 WARRANTY

PART 2 PRODUCTS

2. 1 PRODUCT COORDI NATI ON

2. 2 SWI TCHBOARD

2. 2. 1 Rat i ngs

2. 2. 2 Const r uct i on

2. 2. 2. 1 Encl osur e

2. 2. 2. 2 Bus Bar s

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

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

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

2. 2. 2. 6 Handl es

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

2. 2. 3. 1 I nsul at ed- Case Br eaker

2. 2. 3. 2 Mol ded- Case Ci r cui t Br eaker

2. 2. 4 El ect r oni c Tr i p Uni t s

2. 2. 5 Mi cr opr ocessor Cont r ol Logi c

2. 2. 6 Cont r ol l er and Keypad

2. 2. 7 Ter mi nal Boar ds

2. 2. 8 Wi r e Mar ki ng

2. 3 MANUFACTURER' S NAMEPLATE

2. 4 FI ELD FABRI CATED NAMEPLATES

2. 5 SOURCE QUALI TY CONTROL

2. 5. 1 Equi pment Test Schedul e

2. 5. 2 Swi t chboar d Desi gn Test s

2. 5. 2. 1 Desi gn Test s

2. 5. 2. 2 Addi t i onal Desi gn Test s

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2. 5. 3 Swi t chboar d Pr oduct i on Test s

2. 6 COORDI NATED POWER SYSTEM PROTECTI ON

2. 7 ARC FLASH WARNI NG LABEL

2. 8 SURGE PROTECTI VE DEVI CE( S)

PART 3 EXECUTI ON

3. 1 I NSTALLATI ON

3. 2 SEQUENCE OF OPERATI ONS ( Ref er ence Sheet EP601, MECHANI CAL

SWI TCHBOARD A & B)

3. 2. 1 Nor mal Condi t i ons ( Power at Br eaker " M1" and at Br eaker " M2" )

3. 2. 2 Emer gency Condi t i on 1 ( Loss of Power at Br eaker " M1" and

Power Pr esent at Br eaker " M2" )

3. 2. 3 Emer gency Condi t i on 2 ( Power Pr esent at Br eaker " M1" and Loss of Power at Br eaker " M2" )

3. 3 GROUNDI NG

3. 3. 1 Equi pment Gr oundi ng

3. 3. 2 Connect i ons

3. 3. 3 Gr oundi ng and Bondi ng Equi pment

3. 4 I NSTALLATI ON OF EQUI PMENT AND ASSEMBLI ES

3. 4. 1 Swi t chboar d

3. 4. 2 Met er s and I nst r ument Tr ansf or mer s

3. 4. 3 Fi el d Appl i ed Pai nt i ng

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

3. 4. 5 Fi el d Fabr i cat ed Namepl at e Mount i ng

3. 5 FOUNDATI ON FOR EQUI PMENT AND ASSEMBLI ES

3. 5. 1 I nt er i or Locat i on

3. 6 FI ELD QUALI TY CONTROL

3. 6. 1 Per f or mance of Accept ance Checks and Test s

3. 6. 1. 1 Swi t chboar d Assembl i es

3. 6. 1. 2 Ci r cui t Br eaker s - Low Vol t age - Power

3. 6. 1. 3 Ci r cui t Br eaker s

3. 6. 1. 4 Cur r ent Tr ansf or mer s

3. 6. 1. 5 Met er i ng and I nst r ument at i on

3. 6. 1. 6 Gr oundi ng Syst em

3. 6. 1. 7 Cyber secur i t y I nst al l at i on Cer t i f i cat i on

3. 6. 2 Fol l ow- Up Ver i f i cat i on

- - End of Sect i on Tabl e of Cont ent s - -

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SECTI ON 26 24 13

SWI TCHBOARDS

08/ 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 C12. 1 ( 2014; Er r at a 2016) El ect r i c Met er s - Code f or El ect r i c i t y Met er i ng

ASTM I NTERNATI ONAL ( ASTM)

ASTM A123/ A123M ( 2017) 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 ( 2016a) 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 Har dwar e

ASTM A240/ A240M ( 2022b) 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 ( 2022) 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 ( 2020) 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 ( 2020) 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 D709 ( 2017) St andar d Speci f i cat i on f or Lami nat ed Ther moset t i ng Mat er i al s

ASTM D1535 ( 2014; R 2018) St andar d Pr act i ce f or Speci f y i ng Col or by t he Munsel l Syst em

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

I EEE 81 ( 2012) Gui de f or Measur i ng Ear t h Resi st i v i t y, Gr ound I mpedance, and Ear t h

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Sur f ace Pot ent i al s of a Gr ound Syst em

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 ( 2023) Nat i onal El ect r i cal Saf et y Code

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

NETA ATS ( 2021) 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 / NEMA PB 2. 1 ( 2013) Gener al I nst r uct i ons f or Pr oper Handl i ng, I nst al l at i on, Oper at i on and Mai nt enance of Deadf r ont Di st r i but i on Swi t chboar ds Rat ed 600 V or Less

NEMA I CS 6 ( 1993; R 2016) I ndust r i al Cont r ol and Syst ems: Encl osur es

NEMA PB 2 ( 2011) Deadf r ont Di st r i but i on Swi t chboar ds

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

NFPA 70 ( 2023) Nat i onal El ect r i cal Code

UNDERWRI TERS LABORATORI ES ( UL)

UL 467 ( 2022) UL St andar d f or Saf et y Gr oundi ng and Bondi ng Equi pment

UL 489 ( 2016; Rev 2019) UL St andar d f or Saf et y Mol ded- Case Ci r cui t Br eaker s, Mol ded- Case Swi t ches and Ci r cui t - Br eaker Encl osur es

UL 891 ( 2019) UL St andar d f or Saf et y Swi t chboar ds

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 SUSTAI NABI LI TY REQUI REMENTS

Mat er i al s i n t hi s t echni cal speci f i cat i on may cont r i but e t owar ds cont r act compl i ance wi t h sust ai nabi l i t y r equi r ement s. See Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG f or pr oj ect r equi r ement s.

1. 4 DEFI NI TI ONS

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

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I EEE 100.

1. 5 SUBMI TTALS

The Cont r act or shal l not submi t nor shal l submi t t al s be consi der ed appr oved f or i nst al l at i on on any el ect r i cal equi pment cont ai ni ng over cur r ent pr ot ect i ve devi ces or r equi r i ng a shor t c i r cui t r at i ng or an ar c f l ash r at i ng unt i l t he Pr ot ect i ve Coor di nat i on wi t h Ar c Fl ash Hazar d St udy ( Sect i on 26 28 01. 00 10) has been submi t t ed f or r evi ew by t he Cont r act or and unt i l i t has been appr oved ( t r ansmi t t al " A" or " B" Act i on) by t he r evi ewi ng agent . 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 . ] [ f or i nf or mat i on onl y. When used, a code f ol l owi ng t he " G" c l assi f i cat 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 . ]

On r e- submi t t al s, t he cont r act or shal l i ncl ude t he acknowl edgement of and/ or r esponse t o al l comment s f r om t he pr i or submi t t al , i ncl udi ng i dent i f i cat i on of wher e changes ar e made i ncor por at i ng t he r evi ew comment s. Changes t o pr evi ousl y- appr oved i t ems or subpor t i ons of i t ems shal l be c l ear l y i dent i f i ed and i ncl ude a st at ement r egar di ng t he pur pose of t he change.

When submi t t i ng mul t i pl e i t ems, c l ear l y i dent i f y t he pages r el evant t o t he speci f i c i t ems r ef er enced by i t em number and i t em name. A cover sheet wi t h t he i t em number and i t em name i mmedi at el y bef or e t he f i r st page of i nf or mat i on per t ai ni ng t o a gi ven i t em i s accept abl e.

On pr oduct dat a cut sheet s submi t t ed wi t h mul t i pl e var i ant s ( model s, opt i ons, et c. ) , i dent i f y t he speci f i c model t ype( s) , opt i on( s) , et c. , whi ch wi l l be used.

Wher e mul t i pl e par t i es cont r i but e t o t he cont ent s of a par t i cul ar submi t t al i t em or l ogi cal l y- gr oup set of i t ems, al l i t ems shal l be submi t t ed i n one cohesi ve t r ansmi t t al package f or r evi ew ( t hat i s, por t i ons of i t ems shal l not be pi ecemeal ed acr oss mul t i pl e submi t t al s and/ or i nappr opr i at el y- assi gned submi t t al i t ems) .

The Cont r act or shal l submi t t he f ol l owi ng submi t t al s ( and subsequent r esubmi t t al s) t oget her :

26 20 00 I t em: Panel boar ds 26 20 00 I t em: Ci r cui t Br eaker s 26 13 01 I t em: Dead- Fr ont Ai r I nsul at ed Swt i chgear 26 13 13 I t em: Met al - Cl ad Swi t chgear

I f submi t t ed separ at el y, t he r evi ew per i od shal l st ar t upon r ecei pt of t he l ast submi t t al ( or r esubmi t t al ) i n t he package. Al l ow a mi ni mum of 40 cal endar days excl usi ve of mai l i ng f or Gover nment r evi ews and appr oval 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 chboar d Dr awi ngs; G, DO[ , [ _____] ]

Swi t chboar d dr awi ngs shal l i ncl ude det ai l ed connect i on wi r i ng di agr ams and i ndi cat e al l pr ocessor s/ pl at f or ms and connect i ons t o

SECTI ON 26 24 13 Page 5 ot her syst ems such as SCADA, UMCS, Smar t Met er i ng or ot her .

I dent i f y t he smar t met er ( ut i l i t y met er i ng) encl ave and SCADA encl ave. Pr ovi de al l document at i on necessar y f or Ri sk Management Fr amewor k. Ref er t o Sect i on 25 05 11 Cyber secur i t y of Faci l i t y- Rel at ed Cont r ol Syst ems. "

Thi s i t em may ( and i s encour aged t o) be submi t t ed f or pr el i mi nar y r evi ew onl y pr i or or concur r ent t o t he submi t t al and appr oval of t he Sect i on 26 28 01. 00 10 anal yses.

Submi t t hi s i t em af t er or concur r ent t o Sect i on 26 20 00 I t em:

CFCI Equi pment El ect r i cal Dat a.

Al l ow a mi ni mum of 35 cal endar days excl usi ve of mai l i ng f or Gover nment r evi ews and appr oval s.

SD- 03 Pr oduct Dat a

Swi t chboar d; G, DO[ , [ _____] ]

Thi s i t em may ( and ar e encour aged t o) be submi t t ed f or pr el i mi nar y r evi ew onl y pr i or or concur r ent t o t he submi t t al and appr oval of t he Sect i on 26 05 73 POWER SYSTEMS STUDI ES.

Submi t t hi s i t em af t er or concur r ent wi t h Sect i on 26 20 00 I t em:

CFCI Equi pment El ect r i cal Dat a.

Al l ow a mi ni mum of 35 cal endar days excl usi ve of mai l i ng f or Gover nment r evi ews and appr oval s.

Met er i ng; G, DO

SD- 06 Test Repor t s

Swi t chboar d Desi gn Test s; G, DO[ , [ _____] ]

Swi t chboar d Pr oduct i on Test s; G, DO[ , [ _____] ]

Accept ance Checks and Test s; G, DO[ , [ _____] ]

SD- 07 Cer t i f i cat es

Cyber secur i t y I nst al l at i on Cer t i f i cat i on; G, DO[ , [ _____] ]

Submi t cer t i f i cat i on i ndi cat i ng conf or mance wi t h t he par agr aph

CYBERSECURI TY I NSTALLATI ON CERTI FI CATI ON.

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

Swi t chboar d Oper at i on and Mai nt enance, Dat a Package 5; G, RO[ , SD- 11 Cl oseout Submi t t al s

Assembl ed Oper at i on and Mai nt enance Manual s; G, RO[ , [ _____] ]

Equi pment Test Schedul e; G, RO[ , [ _____] ]

[ Request f or Set t i ngs; G, RO[ , [ _____] ]

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] [ Requi r ed Set t i ngs; G, RO[ , [ _____] ] [ Ser vi ce Ent r ance Avai l abl e Faul t Cur r ent Label ; G[ , [ _____] ]

] 1. 6 QUALI TY ASSURANCE

1. 6. 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 chboar d 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. 6. 2 Swi t chboar d 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:

a. One- l i ne di agr am i ncl udi ng br eaker s[ , f uses] [ , 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. [ For Navy i nst al l at i ons, pr ovi de el ect r oni c f or mat cur ves usi ng SKM' s Power Tool s f or Wi ndows devi ce l i br ar y el ect r oni c f or mat or EasyPower devi ce l i br ar y f or mat dependi ng on i nst al l at i on model i ng sof t war e r equi r ement s. ]

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

Swi t chboar d dr awi ngs shal l i ndi cat e t he l oad i nt ended f or each ci r cui t br eaker . A coor di nat i ng l egend/ schedul e i s accept abl e.

1. 6. 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. 6. 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. 6. 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 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. 6. 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 one 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. 7 MAI NTENANCE

1. 7. 1 Swi t chboar d 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. 7. 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

SECTI ON 26 24 13 Page 8 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. 7. 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.

[ b. [ _____]

] ] 1. 8 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 chboar ds 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.

2. 2 SWI TCHBOARD

NEMA PB 2 and UL 891.

2. 2. 1 Rat i ngs

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: [ 480Y/ 277] [ 208Y/ 120] [ _____] vol t s AC, [ t hr ee- phase, [ 3] [ 4] - wi r e] [ as i ndi cat ed] .

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

c. Shor t - c i r cui t cur r ent r at i ng: [ _____ r ms symmet r i cal amper es] [ The gr eat er of as i ndi cat ed] . on t he pl ans and t he val ue cal cul at ed i n

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Sect i on 26 05 73 POWER SYSTEMS STUDI ES

d. UL l i s t ed and l abel ed[ as ser vi ce ent r ance equi pment ] .

2. 2. 2 Const r uct i on

Pr ovi de t he f ol l owi ng f or al l swi t chboar ds:

a. Swi t chboar d: consi st i ng of one or mor e 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 [ r ear ] [ 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.

[ c. Rear al i gned swi t chboar ds: f r ont accessi bl e l oad connect i ons.

] [ d. Fr ont and r ear al i gned swi t chboar ds[ : r ear accessi bl e l oad connect i ons] .

] e. Wher e i ndi cat ed, " space f or f ut ur e" or " space" means t o i ncl ude a ver t i cal bus pr ovi ded behi nd a bl ank f r ont cover . Wher e i ndi cat ed, " pr ovi s i on f or f ut ur e" means f ul l har dwar e pr ovi ded t o mount a br eaker sui t abl e f or t he l ocat i on.

f . Compl et el y f act or y engi neer ed and assembl ed, i ncl udi ng pr ot ect i ve devi ces and equi pment i ndi cat ed wi t h necessar y i nt er connect i ons, i nst r ument at i on, and cont r ol wi r i ng.

2. 2. 2. 1 Encl osur e

Pr ovi de t he f ol l owi ng:

a. Encl osur e: NEMA I CS 6 Type [ 3R] [ 1] [ _____] [ as i ndi cat ed] [ f abr i cat ed ent i r el y of mi ni mum 12 gauge ASTM A240/ A240M t ype 304 or 304L st ai nl ess st eel ] .

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[ , and sl opi ng r oof downwar d t owar d r ear ] .

[ c. Fr ont [ and r ear ] 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 ] . Separ at e sect i ons usi ng ver t i cal st eel bar r i er s.

] 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 pr act i cabl e.

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

[ 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 ] .

SECTI ON 26 24 13 Page 10

] 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] [ or ] [ al umi num wi t h t i n- pl at ed cont act sur f aces] .

( 1) Phase bus bar s: [ uni nsul at ed] [ i nsul at ed wi t h a t ape wr ap 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 chboar d.

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 chboar d.

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

Pr ovi de t he mai n sect i on consi st i ng of [ a combi nat i on sect i on wi t h[ mol ded- case ci r cui t br eaker s] f or t he[ mai n and] br anch devi ces as i ndi cat ed] [ mai n l ugs onl y] [ an i ndi v i dual l y mount ed [ f i xed] [ dr awout ] [ ai r power c i r cui t br eaker [ wi t h cur r ent - l i mi t i ng f uses] ] [ i nsul at ed- case ci r cui t br eaker ] [ mol ded- case ci 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 on[ s] 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[ wi t h cur r ent - l i mi t i ng f uses] ] [ i nsul at ed- case ci r cui t br eaker s] [ mol ded- case ci 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. Auxi l i ar y component s may be l ocat ed i n di st r i but i on sect i ons, space and manuf act ur er per mi t t i ng.

] [ 2. 2. 2. 6 Handl es

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.

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

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

The ci r cui t br eaker r at i ngs i ndi cat ed on t he one- l i ne di agr am and panel schedul es ar e est i mat es based on basi s of desi gn equi pment or st andar d r at i ngs. Bot h sol i d- st at e and t her mal magnet i c- t ype ci r cui t br eaker

SECTI ON 26 24 13 Page 11 r at i ngs and/ or set t i ngs ar e subj ect t o change based on t he manuf act ur er r ecommendat i ons f or equi pment t o be pr ovi ded i n t hi s cont r act , i ncl udi ng t r ansf or mer i nr ush val ues and val ues f or equi pment not l i s t ed on t he " Equi pment El ect r i cal Connect i on Schedul e" but i s pr ovi ded as equi pment i nst al l ed under t he cont r act . Cont r act or shal l coor di nat e t he pr ot ect i on devi ce r at i ngs wi t h t he equi pment appr oved t o be i nst al l ed, i s r esponsi bl e f or pr ovi di ng t he appr opr i at e r at i ngs/ set t i ngs, and shal l i ndi cat e devi at i ons f r om t he desi gn r at i ngs i n t he submi t t al pr ocess, par t i cul ar l y when conduct or pr ot ect i on i s i mpact ed by changes i n pr ot ect i on r at i ng.

Ci r cui t br eaker t ypes must l be based on t he pr ot ect i ve coor di nat i on st udy t o sel ect i vel y coor di nat e t o t he degr ee i ndi cat ed i n Sect i on 26 05 73 POWER SYSTEM STUDI ES, such as changi ng f r om one t ype of t her mal magnet i c c i r cui t br eaker t o anot her wi t hi n t he same manuf act ur er ( i e, f r om Si emens BQD t o Si emens NGB, et c. ) . Ci r cui t br eaker s shal l not be consi der ed accept ed unt i l power syst em st udy i s accept ed wi t h " A" or " B" act i on.

[ 2. 2. 3. 1 Power Ci r cui t Br eaker

Pr ovi de t he f ol l owi ng:

a. I EEE C37. 13. [ 120 Vac] [ el ect r i cal l y] [ manual l y] oper at ed [ st at i onar y] [ dr awout ] , [ unf used] [ f 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[ of [ _____] r ms amper es symmet r i cal ] [ as i ndi cat ed] at [ _____] vol t s.

b. Br eaker f r ame si ze: [ as i ndi cat ed] [ [ _____] amper es] .

[ 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. 3. 1 I nsul at ed- Case Br eaker

Pr ovi de t he f ol l owi ng:

a. Mai n and Ti e Br eaker s must be UL 489. UL l i s t ed and l abel ed, [ 100 per cent r at ed mai n br eaker ] [ st andar d r at ed br anch br eaker s] , [ t r ue t wo st ep st or ed ener gy devi ces, el ect r i cal l y] [ manual l y] oper at ed unl ess ot her wi se i ndi cat ed on t he cont r act doument s. , Ci r cui t br eaker s ar e t o be l ow vol t age, i nsul at ed- case ci r cui t br eaker , wi t h a shor t - c i r cui t cur r ent r at i ng[ of [ _____] r ms symmet r i cal amper es] [ as i ndi cat ed] at 480[ _____] vol t s and have 3 cycl e shor t - t i me ci r cui t wi t hst and r at i ngs.

b. Br eaker f r ame si ze: [ [ _____] amper es] [ as i ndi cat ed] .

c. Ser i es r at ed ci r cui t br eaker s ar e unaccept abl e.

d. Al l i nsul at ed case ci r cui t br eaker s must have a namepl at e c l ear l y mar ki ng any el ect r i cal accessor i es t hat ar e mount ed i n t he br eaker at t he i nst al l at i on. The accessor y shal l have a l abel t hat wi l l i ndi cat e i t s f unct i on and vol t age. Al l accessor i es shal l be modul ar , pl ug and l ock t ype, and UL l i s t ed f or easy f i el d i nst al l at i on.

e. The br eaker cont r ol i nt er f ace must have col or - coded vi sual i ndi cat or s t o i ndi cat e cont act open or c l osed posi t i ons as wel l as mechani sm char ged and di schar ged posi t i ons. Manual cont r ol pushbut t ons on t he

SECTI ON 26 24 13 Page 12 br eaker f ace shal l be pr ovi ded f or openi ng and cl osi ng t he br eaker .

The power c i r cui t br eaker shal l have a " Posi t i ve On" f eat ur e. The br eaker f l ag wi l l r ead " Cl osed" i f t he cont act s ar e wel ded and t he br eaker i s at t empt ed t o be t r i pped or opened.

] [ 2. 2. 3. 2 Mol ded- Case Ci r cui t Br eaker

Pr ovi de t he f ol l owi ng:

a. UL 489. UL l i s t ed and l abel ed, [ 100 per cent r at ed mai n br eaker ] [ st andar d r at ed br anch br eaker s] , [ el ect r i cal l y] [ manual l y] oper at ed, l ow vol t age mol ded- case ci r cui t br eaker , wi t h a shor t - c i r cui t cur r ent r at i ng of [ [ _____] r ms symmet r i cal amper es] [ as i ndi cat ed] at [ _____] 480Y/ 277vol t s. UL 489 sol i d- st at e c i r cui t br eaker s shal l be used wher e i ndi cat ed i n 26 05 73 POWER SYSTEM STUDI ES.

b. Br eaker f r ame si ze: [ [ _____] amper es] [ as i ndi cat ed] .

c. Ser i es r at ed ci r cui t br eaker s ar e unaccept abl e.

] [ 2. 2. 3. 3 Fusi bl e Swi t ches

Pr ovi de t he f ol l owi ng:

a. Fusi bl e Swi t ches: qui ck- make, qui ck- br eak, hi nged- door t ype.

[ b. Swi t ches ser vi ng as mot or di sconnect s: hor sepower r at ed.

] c. Fuses: cur r ent - l i mi t i ng car t r i dge t ype conf or mi ng t o[ UL 198M, Cl ass J f or 0 t o 600 amper es and Cl ass L f or 601 t o 6000 amper es] [ UL 198M, Cl ass [ RK1] [ RK5] f or 0 t o 600 amper es] .

d. Fusehol der s: [ UL 4248- 1] [ UL 4248- 12] .

] [ 2. 2. 3. 4 I nt egr al Combi nat i on Br eaker and Cur r ent - Li mi t i ng Fuses

Pr ovi de t he f ol l owi ng:

a. UL 489.

b. I nt egr al combi nat i on mol ded- case ci r cui t br eaker and cur r ent - l i mi t i ng f uses: [ as i ndi cat ed] [ r at ed [ _____] amper es] wi t h a mi ni mum shor t - c i r cui t - cur r ent r at i ng equal t o t he shor t - c i r cui t - cur r ent r at i ng of t he swi t chboar d i n whi ch t he ci r cui t br eaker wi l l be mount ed.

c. Ser i es r at ed ci r cui t br eaker s ar e unaccept abl e.

d. Coor di nat i on of over cur r ent devi ces of t he c i r cui t br eaker and cur r ent - l i mi t i ng f uses: f or over l oads or f aul t cur r ent s of r el at i vel y l ow val ue, t he over cur r ent devi ce of t he br eaker oper at es t o c l ear t he f aul t . The cur r ent - l i mi t i ng f uses oper at e t o c l ear t he f aul t f or hi gh magni t ude shor t c i r cui t s above a pr edet er mi ned val ue[ cr ossover poi nt ] .

e. Housi ng f or t he cur r ent - l i mi t i ng f uses: an i ndi v i dual mol di ng r eadi l y r emovabl e f r om t he f r ont and l ocat ed at t he l oad si de of t he c i r cui t br eaker . I f t he f use housi ng i s r emoved, a bl own f use i s r eadi l y evi dent by means of a v i s i bl e i ndi cat or .

f . Removal of f use housi ng causes t he br eaker cont act s t o open, and t he

SECTI ON 26 24 13 Page 13 br eaker cont act s can not c l ose wi t h t he f use housi ng r emoved. The f use housi ng can not be i nser t ed wi t h a bl own f use or wi t h one f use mi ssi ng. The bl owi ng of any of t he f uses causes t he ci r cui t br eaker cont act s t o open.

] [ 2. 2. 4 Dr awout Br eaker s

Pr ovi de dr awout br eaker s[ as i ndi cat ed] [ _____] . 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 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 posi t i on.

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 di sconnect ed.

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. 4 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] [ [ _____] amper es] [ t he same as t he br eaker f r ame r at i ng] .

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

[ c. Gr ound f aul t pr ot ect i on: [ as i ndi cat ed] [ zer o sequence sensi ng] [ r esi dual t ype sensi ng] .

] [ 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 LED i ndi cat i on of cause of c i r cui t br eaker t r i p.

] [ ( 2) Mai n 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 gr ound f aul t set t i ngs[ 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 i ndi cat ed] .

SECTI ON 26 24 13 Page 14

] [ ( 4) [ Mai n ] Br eaker s: i ncl ude a di gi t al di spl ay f or phase and gr ound cur r ent .

] [ ( 5) [ Mai n ] Br eaker s: i ncl ude a di gi t al di spl ay f or wat t s, var s, VA, kWh, kvar h, and kVAh.

] [ ( 6) [ Mai n ] Br eaker s: i ncl ude a di gi t al di spl ay f or phase vol t age, and per cent THD vol t age and cur r ent .

] [ ( 7) [ Mai n ] Br eaker s: i ncl ude pr ovi s i ons f or communi cat i on v i a a net wor k t wi st ed pai r cabl e f or r emot e moni t or i ng and cont r ol .

Pr ovi de t he f ol l owi ng communi cat i ons pr ot ocol : [ DNP3] [ Modbus] [ I EC 61850] .

] [ ( 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 i ndi cat or .

] [ 2. 2. 5 Met er i ng

[ 2. 2. 5. 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 met er .

] [ ( 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 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 [ 300] [ 600]

SECTI ON 26 24 13 Page 15 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 .

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

e. Pr ovi de di gi t al communi cat i ons i n a Modbus [ RTU] pr ot ocol v i a a [ RS232C] [ RS485] ser i al por t [ and an i ndependent l y addr essabl e [ RS232C] [ RS485] ser i al por t ] .

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.

[ h. Pr ovi de met er wi t h a di spl ay of Tot al Har moni c Di st or t i on ( THD) measur ement t o a mi ni mum of t he t hi r t y- f i r st or der .

] [ 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.

] [ j . Pr ovi de event wavef or m r ecor di ng t r i gger ed by t he r ms of 2 cycl es of vol t age or cur r ent exceedi ng pr ogr ammabl e set poi nt s. St or e wavef or ms f or al l 6 channel s of vol t age and cur r ent f or a mi ni mum of 10 cycl es pr i or t o t he event and 50 cycl es past t he event .

] ] [ 2. 2. 5. 2 El ect r oni c Wat t hour Met er

[ Pr ovi de as speci f i ed i n Sect i on [ 26 27 14. 00 20 ELECTRI CI TY METERI NG] [

26 27 13. 10 30 ELECTRI C METERS] .

] [ ANSI C12. 1. Pr ovi de a swi t chboar d st y l e el ect r oni c pr ogr ammabl e wat t hour met er , semi - f l ush mount ed, as i ndi cat ed. Met er can be ei t her pr ogr ammed at t he f act or y or pr ogr ammed i n t he f i el d. Tur n f i el d pr ogr ammi ng devi ce over t o t he Cont r act i ng Of f i cer at compl et i on of pr oj ect . Coor di nat e met er t o syst em r equi r ement s.

a. Desi gn: Pr ovi de met er desi gned f or use on a 3- phase, 4- wi r e, [ 208Y/ 120] [ 480Y/ 277] vol t syst em wi t h 3 cur r ent t r ansf or mer s. I ncl ude necessar y KYZ pul se i ni t i at i on har dwar e f or Ener gy Moni t or i ng and Cont r ol Syst em ( EMCS) .

b. Coor di nat i on: Pr ovi de met er coor di nat ed wi t h r at i os of cur r ent t r ansf or mer s and t r ansf or mer secondar y vol t age.

c. Cl ass: 20. Accur acy: pl us or mi nus 1. 0 per cent . Fi ni sh: Cl ass I I .

d. Ki l owat t - hour Regi st er : f i ve di gi t el ect r oni c pr ogr ammabl e t ype.

e. Demand Regi st er :

( 1) Pr ovi de sol i d st at e.

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( 2) Met er r eadi ng mul t i pl i er : I ndi cat e mul t i pl i er on t he met er f ace.

( 3) Demand i nt er val l engt h: pr ogr ammed f or [ 15] [ 30] [ 60] mi nut es wi t h r ol l i ng demand up t o s i x subi nt er val s per i nt er val .

f . Met er f usi ng: Pr ovi de a f use bl ock mount ed i n t he met er i ng compar t ment cont ai ni ng one f use per phase t o pr ot ect t he vol t age i nput t o t he wat t hour met er . Si ze f uses as r ecommended by t he met er manuf act ur er .

g. Pr ovi de met er wi t h a communi cat i ons por t , RS485, wi t h Modbus RTU ser i al or Et her net , Modbus- TCP communi cat i ons.

I EEE C57. 13. Pr ovi de si ngl e r at i o t r ansf or mer s, 60 her t z, [ _____] t o 5- amper e r at i o, [ _____] r at i ng f act or , wi t h a met er i ng accur acy c l ass of

0. 3 t hr ough [ _____] .

[ Pr ovi de a f use bl ock mount ed i n t he met er i ng compar t ment cont ai ni ng one f use per phase t o pr ot ect t he vol t age i nput t o vol t age sensi ng met er s.

Si ze f uses as r ecommended by t he met er manuf act ur er .

] ] ] [ 2. 2. 5. 3 Submet er i ng

ASHRAE 90. 1 - I P. Pr ovi de submet er i ng f or [ _____] .

] ] [ 2. 2. 6 Tr ansf or mer

Pr ovi de t r ansf or mer sect i on i n swi t chboar d i n accor dance wi t h UL 891 and as i ndi cat ed. Pr ovi de t he t r ansf or mer and sect i on t hat i s sui t abl e f or t he i nst al l at i on. [ Test t r ansf or mer s gr eat er t han 10 kVA i n accor dance wi t h UL 891. ] Pr ovi de a t r ansf or mer conf or mi ng t o t he r equi r ement s of Sect i on 26 20 00 I NTERI OR DI STRI BUTI ON SYSTEM.

] [ 2. 2. 7 Heat er s

Pr ovi de 120- vol t heat er s i n each swi t chboar d sect i on. Pr ovi de heat er s of suf f i c i ent capaci t y t o cont r ol moi st ur e condensat i on i n t he sect i on, 250 wat t s mi ni mum, and cont r ol l ed by a t her most at [ and humi di st at ] l ocat ed i n t he sect i on. Pr ovi de i ndust r i al t ype t her most at , hi gh l i mi t , t o mai nt ai n sect i ons wi t hi n t he r ange of 60 t o 90 degr ees F. [ Pr ovi de humi di st at wi t h a r ange of 30 t o 60 per cent r el at i ve humi di t y. ] Obt ai n suppl y vol t age f or t he heat er s f r om a cont r ol power t r ansf or mer wi t hi n t he swi t chboar d. I f heat er vol t age i s di f f er ent t han swi t chboar d vol t age, pr ovi de t r ansf or mer r at ed t o car r y 125 per cent of heat er f ul l l oad r at i ng. Pr ovi de t r ansf or mer wi t h a 220 degr ees C i nsul at i on syst em wi t h a t emper at ur e r i se not exceedi ng 115 degr ees C and conf or mi ng t o NEMA ST 20. [ Ener gi ze el ect r i c heat er s i n swi t chboar d assembl i es whi l e t he equi pment i s i n st or age or i n pl ace pr i or t o bei ng pl aced i n ser vi ce. Pr ovi de met hod f or easy connect i on of heat er t o ext er nal power sour ce. Pr ovi de t empor ar y, r el i abl e ext er nal power sour ce i f commer ci al power at r at ed vol t age i s not avai l abl e on si t e. ]

] 2. 2. 5 Mi cr opr ocessor Cont r ol Logi c

a. Mechani cal Swi t chboar d A i s t o be pr ovi ded wi t h an mi cr opr ocessor cont r ol l er aut omat i c l ogi c cont r ol l er . Oper at i on of Mechani cal Swi t chboar d A and B mai n br eaker s( " M1" and " M2" ) and moni t or i ng of bot h sour ces shal l be managed by t he cont r ol l er al ong wi t h Ti e Br eaker " T2" l ocat ed wi t hi n Mechani cal Swi t cboar d A. The cont r ol l er shal l be har dened agai nst t r ansi ent vol t ages.

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b. The cont r ol l er shal l have an oper at i ng t emper at ur e r ange f r om - 20 t o +70 degr ees C ( - 4 t o +158 degr ees F) and a st or age t emper at ur e r ange f r om - 30 t o +85 degr ees C ( - 22 t o +185 degr ees F.

c. The cont r ol l er shal l be capabl e of accept i ng 120Vac der i ved f r om sour ce 1 and sour ce 2. An ext er nal 125 Vdc suppl y shal l be accept ed f or cont i nued cont r ol l er oper at i on i f bot h sour ces have f ai l ed.

2. 2. 6 Cont r ol l er and Keypad

a. The mi cr opr ocessor - based cont r ol l er f acepl at e shal l be UV r esi st ant and i ncl ude a 4. 3- i nch, col or TFT ( 480x272) backl i t di spl ay. The cont r ol l er shal l be capabl e of di spl ayi ng sour ce 1, 2, and t i e br eaker st at us, par amet er s, set poi nt s, and di agnost i c dat a. Abbr evi at i ons or codes shal l be l i mi t ed f or i nt ui t i ve oper at i on. Al l set poi nt par amet er s shal l be passwor d pr ot ect ed

b. The mi cr opr ocessor - based cont r ol l er shal l i ncl ude one ( 1) uni t st at us LED ( 3mm) and a mi mi c power bus consi st i ng of s i x ( 6) LED' s ( 3mm) f or i ndi cat i ng t he f ol l owi ng:

c. The cont r ol l er keypad shal l i ncl ude t he f ol l owi ng pushbut t on cont r ol s:

d. The cont r ol l er shal l di spl ay on t he mai n over vi ew scr een:

e. The cont r ol l er shal l di spl ay t he vol t age dr opout and pi ckup set poi nt s, f or sour ce 1 and sour ce 2, i n vol t s and as a per cent age of nomi nal vol t age f . The cont r ol l er shal l di spl ay t he f r equency dr opout and pi ckup set poi nt s, f or sour ce 1 and sour ce 2, i n her t z and as a per cent age of nomi nal f r equency.

g. The cont r ol l er shal l moni t or vol t age ( Vab, Vbc, Vca) and f r equency ( Hz) f or sour ce 1, sour ce 2, and l oad.

h. The cont r ol l er shal l have a vol t age r ange of 0- 720 Vr ms wi t h an accur acy of +/ - 1%. Nomi nal vol t age shal l be adj ust abl e i n 1 vol t i ncr ement s f r om 120 t o 600Vac. The number of vol t age phases shal l be adj ust abl e as 1 or 3.

i . The cont r ol l er shal l have a f r equency r ange of 40- 80 Hz wi t h an accur acy of +/ - 0. 2 Hz. Nomi nal f r equency shal l be adj ust abl e as 50 or 60Hz.

j . The cont r ol l er shal l i ncl ude a phase sequence check f or sour ce 1 and sour ce 2, adj ust abl e t o OFF, ABC, or CBA.

k. Vol t age and f r equency dr opout and pi ckup set poi nt s, f or sour ce 1 and sour ce 2, shal l be adj ust abl e as a per cent age of nomi nal per t he t abl e bel ow. Pi ckup and dr opout set poi nt s f or over vol t age, under f r equency, over f r equency, and vol t age unbal ance / phase l oss shal l be capabl e of bei ng di sabl ed.

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Set poi nt Sour ces Dr opout Pi ckup

Under vol t age Sour ce 1 and 2 70 - 97% ( Do +2%) t o 99$

Over vol t age Sour ce 1 and 2 105 - 120% 103% t o ( DO - 2%)

Under f r equency Sour ce 1 and 2 90 - 97% ( DO + 1HZ) t o 99%

Over f r equency Sour ce 1 and 2 103 - 110% 101% t o ( DO - 1Hz)

Vol t age Unbal ance Sour ce 1 and 2 5 - 20% 3% t o ( DO - 2%)

Vol t age Unbal ance Phase Loss ( wi t h negat i ve sequence det ect i on)

Sour ce 1 and 2 20 - 60% 18% t o ( DO - 2%) l . The cont r ol l er shal l i ncl ude an al gor i t hm t hat i s capabl e of det ect i ng a vol t age unbal ance / phase l oss condi t i on at ei t her power sour ce when t he power sour ce i s unl oaded and r egener at ed, or phant om vol t age i s pr esent . Once det ect ed, t he al gor i t hm shal l be capabl e of pr event i ng a l oad t r ansf er i nt o a r egener at ed vol t age condi t i on.

m. A set poi nt shal l be pr ovi ded f or conf i gur i ng a " pr ef er r ed sour ce" , adj ust abl e t o none, sour ce 1, or sour ce 2. The cont r ol l er shal l seek connect i on of t he l oad t o t he pr ef er r ed sour ce ( when i t i s avai l abl e) . The cont r ol l er shal l al so be capabl e of accept i ng an ext er nal dr y cont act f or r emot el y conf i gur i ng sour ce 1 or sour ce 2 as t he pr ef er r ed sour ce.

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

SECTI ON 26 24 13 Page 19 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 chboar d, 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.