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

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AUTOMATI C TRANSFER SWI TCH AND BY- PASS/ I SOLATI ON SWI TCH

04/17

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.

ASTM I NTERNATI ONAL ( ASTM)

ASTM B117 ( 2016) St andar d Pr act i ce f or Oper at i ng Sal t Spr ay ( Fog) Appar at us

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

I EEE 602 ( 2007) Recommended Pr act i ce f or El ect r i c Syst ems i n Heal t h Car e Faci l i t i es - Whi t e Book

I EEE C37. 13 ( 2015) St andar d f or Low- Vol t age AC Power Ci r cui t Br eaker s Used i n Encl osur es

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 C62. 41. 1 ( 2002; R 2008) Gui de on t he Sur ges Envi r onment i n Low- Vol t age ( 1000 V and Less) AC Power Ci r cui t s

I EEE C62. 41. 2 ( 2002) Recommended Pr act i ce on Char act er i zat i on of Sur ges i n Low- Vol t age ( 1000 V and Less) AC Power Ci r cui t s

NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)

NEMA I CS 1 ( 2000; R 2015) St andar d f or I ndust r i al Cont r ol and Syst ems: Gener al Requi r ement s

NEMA I CS 10 Par t 2 ( 2005) AC Tr ansf er Equi pment , Par t 2:

St at i c AC Tr ansf er Equi pment

NEMA I CS 2 ( 2000; R 2005; Er r at a 2008) St andar d f or Cont r ol l er s, Cont act or s, and Over l oad Rel ays Rat ed 600 V

NEMA I CS 4 ( 2015) Ter mi nal Bl ocks

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

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

NFPA 110 ( 2016) St andar d f or Emer gency and St andby Power Syst ems

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)

UFC 3- 310- 04 ( 2013) Sei smi c Desi gn f or Bui l di ngs

UNDERWRI TERS LABORATORI ES ( UL)

UL 1008 ( 2014) Tr ansf er Swi t ch Equi pment

UL 1066 ( 2012; Repr i nt Jul 2013) Low- Vol t age AC and DC Power Ci r cui t Br eaker s Used i n Enclosures

1. 2 SUBMITTALS

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

Det ai l Dr awi ngs

Equipment

Installation

SD- 03 Pr oduct Dat a

Equipment

SD- 06 Test Repor t s

Testing

SD- 07 Cer t i f i cat es

Equipment

Swi t chi ng Equi pment

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

Swi t chi ng Equi pment

Instructions

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1. 3 QUALI TY ASSURANCE

1. 3. 1 Det ai l Dr awi ngs

Submi t i nt er f ace equi pment connect i on di agr am showi ng condui t and wi r i ng bet ween ATS and r el at ed equi pment . Submi t schemat i c, ext er nal connect i on, one- l i ne schemat i c and wi r i ng di agr am of each ATS assembl y. Devi ce, namepl at e, and i t em number s shown i n l i s t of equi pment and mat er i al shal l appear on dr awi ngs wher ever t hat i t em appear s. Di agr ams shal l show i nt er l ocki ng pr ovi s i ons and caut i onar y not es, i f any. Oper at i ng i nst r uct i ons shal l be shown ei t her on one- l i ne di agr am or separ at el y.

Unl ess ot her wi se appr oved, one- l i ne and el ement ar y or schemat i c di agr ams shal l appear on same dr awi ng.

1. 3. 2 Swi t chi ng Equi pment

Upon r equest , manuf act ur er shal l pr ovi de not ar i zed l et t er cer t i f y i ng compl i ance wi t h r equi r ement s of t hi s speci f i cat i on, i ncl udi ng wi t hst and cur r ent r at i ng ( WCR) . Submi t evi dence t hat ATS wi t hst and cur r ent r at i ng ( WCR) has been coor di nat ed wi t h upst r eam pr ot ect i ve devi ces as r equi r ed by UL 1008. Submi t an oper at i ng manual out l i ni ng st ep- by- st ep pr ocedur es f or syst em st ar t up, oper at i on, and shut down. Manual shal l i ncl ude manuf act ur er ' s name, model number , ser vi ce manual , par t s l i s t , and br i ef descr i pt i on of equi pment and basi c oper at i ng f eat ur es. Manuf act ur er ' s spar e par t s dat a shal l be i ncl uded wi t h suppl y sour ce and cur r ent cost of r ecommended spar e par t s. Manual shal l i ncl ude si mpl i f i ed wi r i ng and cont r ol di agr ams f or syst em as i nst al l ed.

1. 4 SI TE CONDI TI ONS

Sei smi c r equi r ement s shal l be as speci f i ed i n UFC 3- 310- 04 and Sect i ons 13 48 00 SEI SMI C PROTECTI ON FOR MI SCELLANEOUS EQUI PMENT and 26 05 48. 00 10 SEI SMI C PROTECTI ON FOR ELECTRI CAL EQUI PMENT. ATS shal l be sui t abl e f or pr ol onged per f or mance under f ol l owi ng ser vi ce condi t i ons:

Altitude 390 met er s above mean sea l evel

Rel at i ve Humi di t y 50 per cent maxi mum, cont i nuous

Temperature Mi nus 6 t o Pl us 130 degr ees F degr ees F

Sei smi c Par amet er s Zone 3

PART 2 PRODUCTS

2. 1 STANDARD PRODUCTS

Pr ovi de mat er i al and equi pment whi ch ar e st andar d pr oduct s of a manuf act ur er r egul ar l y engaged i n manuf act ur i ng t he pr oduct s and t hat essent i al l y dupl i cat e i t ems t hat have been i n sat i sf act or y use f or at l east 2 year s pr i or t o bi d openi ng. Submi t l i s t of pr oposed equi pment and mat er i al , cont ai ni ng a descr i pt i on of each separ at e i t em, and cer t i f i cat es of compl i ance showi ng evi dence of UL l i s t i ng and conf or mance wi t h appl i cabl e NEMA st andar ds. Such cer t i f i cat es ar e not r equi r ed i f manuf act ur er ' s publ i shed dat a, submi t t ed and appr oved, r ef l ect UL l i s t i ng or conf or mance wi t h appl i cabl e NEMA st andar ds. The exper i ence use shal l i ncl ude appl i cat i ons i n s i mi l ar c i r cumst ances and of same desi gn and

Apr i l 2019 Page 3 SECTI ON 26 36 00. 00 10 r at i ng as speci f i ed ATS. Equi pment shal l be capabl e of bei ng ser vi ced by a manuf act ur er - aut hor i zed and t r ai ned or gani zat i on t hat i s, i n t he Cont r act i ng Of f i cer ' s opi ni on, r easonabl y conveni ent t o t he s i t e.

2. 2 NAMEPLATE

Namepl at e showi ng manuf act ur er ' s name and equi pment r at i ngs shal l be made of cor r osi on- r esi st ant mat er i al wi t h not l ess t han 1/ 8 i nch t al l char act er s. Namepl at e shal l be mount ed t o f r ont of encl osur e and shal l compl y wi t h namepl at e r equi r ement s of NEMA I CS 2.

2. 3 AUTOMATI C TRANSFER SWI TCH ( ATS)

ATS shal l be el ect r i cal l y oper at ed and mechani cal l y hel d i n bot h oper at i ng posi t i ons. ATS shal l be sui t abl e f or use i n emer gency syst ems and st andby syst ems descr i bed i n NFPA 70. ATS shal l be UL l i s t ed. ATS shal l be manuf act ur ed and t est ed i n accor dance wi t h appl i cabl e r equi r ement s of

I EEE C37. 90. 1, I EEE C37. 13, I EEE C62. 41. 1, I EEE C62. 41. 2, I EEE 602,

NEMA I CS 1, NEMA I CS 2, NEMA I CS 10 Par t 2, UL 1008 and UL 1066. ATS shal l conf or m t o NFPA 110. To f aci l i t at e mai nt enance, manuf act ur er ' s i nst r uct i on manual shal l pr ovi de t ypi cal maxi mum cont act vol t age dr op r eadi ngs under speci f i ed condi t i ons f or use dur i ng per i odi c mai nt enance.

Manuf act ur er shal l pr ovi de i nst r uct i ons f or det er mi nat i on of cont act i nt egr i t y. ATS shal l be r at ed f or cont i nuous dut y at speci f i ed cont i nuous cur r ent r at i ng. ATS shal l be f ul l y compat i bl e and appr oved f or use wi t h BP/ I S speci f i ed. BP/ I S shal l be consi der ed par t of ATS syst em. ATS shal l have f ol l owi ng char act er i st i cs:

Voltage As Speci f i ed

Number of Phases As Speci f i ed

Number of Wi r es As Speci f i ed

Frequency 60 Hz

Poles As Speci f i ed

ATS WCR Rat ed t o wi t hst and speci f i ed shor t - c i r cui t cur r ent ( amper es, RMS symmet r i cal ) .

Nonwel di ng Cont act s Rat ed f or nonwel di ng of cont act s when used wi t h upst r eam f eeder over cur r ent devi ces shown and wi t h avai l abl e f aul t cur r ent speci f i ed.

Mai n and Neut r al Contacts

Cont act s shal l have si l ver al l oy composi t i on. Neut r al cont act s shal l have same cont i nuous cur r ent r at i ng as mai n or phase cont act s unl ess speci f i ed ot her wi se t o accompodat e non- l i near l oads

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2. 3. 1 Over r i de Ti me Del ay

Pr ovi de adj ust abl e t i me del ay t o over r i de moni t or ed sour ce devi at i on f r om

0. 5 t o 6seconds and f act or y set at 1 second. ATS shal l moni t or phase conduct or s t o det ect and r espond t o sust ai ned vol t age dr op of 15per cent of nomi nal bet ween any t wo nor mal or pr ef er r ed sour ce conduct or s and i ni t i at e t r ansf er act i on t o al t er nat e/ emer gency sour ce and st ar t engi ne dr i ven gener at or af t er set t i me per i od. Pi ckup vol t age shal l be adj ust abl e f r om 85t o 100 per cent of nomi nal and f act or y set at 90per cent . Dr opout vol t age shal l be adj ust abl e f r om 75t o 98 per cent of pi ckup val ue and f act or y set at 85 per cent of nomi nal .

2. 3. 2 Tr ansf er Ti me Del ay

Ti me del ay bef or e t r ansf er t o al t er nat e/ emer gency power sour ce shal l be adj ust abl e f r om 0t o 5mi nut es and f act or y set at 0 mi nut es. ATS shal l moni t or f r equency and vol t age of al t er nat e/ emer gency power sour ce and t r ansf er when f r equency and vol t age ar e st abi l i zed. Pi ckup vol t age shal l be adj ust abl e f r om 85t o 100 per cent of nomi nal and f act or y set at 90 per cent . Pi ckup f r equency shal l be adj ust abl e f r om 90 t o 100 per cent of nomi nal and f act or y set at 90 per cent .

2. 3. 3 Ret ur n Ti me Del ay

Ti me del ay bef or e r et ur n t r ansf er t o nor mal / pr ef er r ed power sour ce shal l be adj ust abl e f r om 0 t o 30 mi nut es and f act or y set at 30 mi nut es. Ti me del ay shal l be aut omat i cal l y def eat ed upon l oss or sust ai ned under vol t age of al t er nat e/ emer gency power sour ce, pr ovi ded t hat nor mal / pr ef er r ed suppl y has been r est or ed.

2. 3. 4 Engi ne Shut down Ti me Del ay

Ti me del ay shal l be adj ust abl e f r om 0 t o 30 mi nut es and shal l be f act or y set at 10 mi nut es, or as speci f i ed.

2. 3. 5 Exerciser

Pr ovi de a gener at or exer ci ser t i mer . Run t i mes shal l be user pr ogr ammabl e. The gener at or exer ci ser shal l be sel ect abl e bet ween l oad t r ansf er and engi ne r un onl y, and shal l have a f ai l - saf e f eat ur e t hat wi l l r et r ansf er t he ATS t o nor mal / pr ef er r ed dur i ng t he exer ci se per i od.

2. 3. 6 Auxi l i ar y Cont act s

Two nor mal l y open and t wo nor mal l y c l osed auxi l i ar y cont act s r at ed at 10 amper es at 120480vol t s shal l oper at e when ATS i s connect ed t o nor mal / pr ef er r ed power sour ce, and t wo nor mal l y open and t wo nor mal l y c l osed cont act s shal l oper at e when ATS i s connect ed t o al t er nat e/ emer gency sour ce.

2. 3. 7 Suppl ement al Feat ur es

ATS shal l be f ur ni shed wi t h t he f ol l owi ng:

a. Engi ne st ar t cont act .

b. Al t er nat eEmer gency sour ce moni t or .

c. Test swi t ch t o s i mul at e nor mal power out age.

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d. Vol t age sensi ng. Pi ckup vol t age adj ust abl e f r om 85 t o 100 per cent of nomi nal ; dr opout adj ust abl e f r om 75 t o 98 per cent of pi ckup.

e. Ti me del ay bypass swi t ch t o over r i de r et ur n t i me del ay t o nor mal .

f . Manual r et ur n- t o- nor mal swi t ch.

g. Means shal l be pr ovi ded i n t he ATS t o i nsur e t hat mot or / t r ansf or mer l oad i nr ush cur r ent s do not exceed nor mal st ar t i ng cur r ent s. Thi s shal l be accompl i shed wi t h ei t her i n- phase moni t or i ng, t i me- del ay t r ansi t i on, or l oad vol t age decay sensi ng met hods. I f manuf act ur er suppl i es an i n- phase moni t or i ng syst em, t he manuf act ur er shal l i ndi cat e under what condi t i ons a t r ansf er cannot be accompl i shed. I f t he manuf act ur er suppl i es a t i me- del ay t r ansi t i on syst em, t he manuf act ur er shal l suppl y r ecommendat i ons f or est abl i shi ng t i me del ay. I f l oad vol t age decay sensi ng i s suppl i ed, t he l oad vol t age set t i ng shal l be user pr ogr ammabl e.

2. 3. 8 Operator

Manual oper at or conf or mi ng t o UL 1008 shal l be pr ovi ded, and shal l i ncor por at e f eat ur es t o pr event oper at i on by unaut hor i zed per sonnel . ATS shal l be desi gned f or saf e manual oper at i on under f ul l l oad condi t i ons.

I f manual oper at i on i s accompl i shed by openi ng t he door , t hen a dead- f r ont shal l be suppl i ed f or oper at or saf et y.

2. 3. 9 Over r i de Swi t ch

Over r i de swi t ch shal l bypass aut omat i c t r ansf er cont r ol s so ATS wi l l t r ansf er and r emai n connect ed t o al t er nat e/ emer gency power sour ce, r egar dl ess of condi t i on of nor mal / pr ef er r ed sour ce. I f al t er nat e/ emer gency sour ce f ai l s and nor mal / pr ef er r ed sour ce i s avai l abl e, ATS shal l aut omat i cal l y r et r ansf er t o nor mal / pr ef er r ed sour ce.

2. 3. 10 Gr een I ndi cat i ng Li ght

A gr een i ndi cat i ng l i ght shal l super vi se/ pr ovi de nor mal / pr ef er r ed power sour ce swi t ch posi t i on i ndi cat i on and shal l have a namepl at e engr aved NORMAL or PREFERRED.

2. 3. 11 Red I ndi cat i ng Li ght

A r ed i ndi cat i ng l i ght shal l super vi se/ pr ovi de al t er nat e/ emer gency power sour ce swi t ch posi t i on i ndi cat i on and shal l have a namepl at e engr aved ALTERNATE or EMERGENCY.

2. 4 BY- PASS/ I SOLATI ON SWI TCH ( BP/ I S)

2. 4. 1 Design

Bypass/ i sol at i on swi t ch ( BP/ I S) shal l per mi t l oad by- pass t o ei t her nor mal / pr ef er r ed or al t er nat e/ emer gency power sour ce and compl et e i sol at i on of associ at ed ATS, i ndependent of ATS oper at i ng posi t i on. BP/ I S and associ at ed ATS shal l be pr oduct s of same manuf act ur er and shal l be compl et el y i nt er connect ed and t est ed at f act or y and at pr oj ect s i t e as speci f i ed. BP/ I S shal l be manuf act ur ed, l i s t ed, and t est ed i n accor dance wi t h par agr aph AUTOMATI C TRANSFER SWI TCH ( ATS) and shal l have el ect r i cal r at i ngs t hat exceed or equal compar abl e r at i ngs speci f i ed f or ATS.

Oper at i ng handl es shal l be ext er nal l y oper at ed and ar r anged so t hat one

Apr i l 2019 Page 6 SECTI ON 26 36 00. 00 10 per son can per f or m t he bypass and i sol at i on f unct i ons t hr ough t he oper at i on of a maxi mum of t wo handl es wi t hi n 5 seconds. The ATS shal l have pr ovi s i ons f or l ocki ng i n t he i sol at i on posi t i on. Handl e f or manual oper at i on shal l be per manent l y at t ached t o oper at i ng mechani sm. BP/ I S oper at i on shal l be accompl i shed wi t hout di sconnect i ng swi t ch l oad t er mi nal conduct or s. I sol at i on handl e posi t i ons shal l be mar ked wi t h engr aved pl at es or ot her appr oved means t o i ndi cat e posi t i on or oper at i ng condi t i on of associ at ed ATS, as f ol l ows:

a. I ndi cat i on shal l be pr ovi ded t o show t hat ATS sect i on i s pr ovi di ng power t o t he l oad.

b. I ndi cat i on shal l be pr ovi ded of ATS i sol at i on. The ATS cont r ol s shal l r emai n f unct i onal wi t h t he ATS i sol at ed or i n bypass mode t o per mi t moni t or i ng of t he nor mal power sour ce and aut omat i c st ar t i ng of t he gener at or i n t he event of a l oss of t he nor mal power sour ce. I n t he i sol at ed mode, t he bypass sect i on shal l be capabl e of f unct i oni ng as a manual t r ansf er swi t ch t o t r ansf er t he l oad t o ei t her power sour ce.

The ATS shal l be capabl e of under goi ng f unct i onal oper at i on t est i ng wi t hout ser vi ce i nt er r upt i on. The ATS may al so be compl et el y r emoved f r om t he encl osur e, i f r equi r ed f or mai nt enance or r epai r , whi l e t he bypass sect i on cont i nues t o power t he l oad.

2. 4. 2 Swi t ch Const r uct i on

Bypass/ i sol at i on swi t ch shal l be const r uct ed f or conveni ent r emoval of par t s f r om f r ont of swi t ch encl osur e wi t hout r emoval of ot her par t s or di sconnect i on of ext er nal power conduct or s. Cont act s shal l be as speci f i ed f or associ at ed ATS, i ncl udi ng pr ovi s i ons f or i nspect i on of cont act s wi t hout di sassembl y of BP/ I S or r emoval of ent i r e cont act encl osur e. To f aci l i t at e mai nt enance, manuf act ur er shal l pr ovi de i nst r uct i ons f or det er mi nat i on of cont act i nt egr i t y. BP/ I S and associ at ed ATS shal l be i nt er connect ed wi t h sui t abl y s i zed copper bus bar s s i l ver - pl at ed at each connect i on poi nt , and br aced t o wi t hst and magnet i c and t her mal f or ces cr eat ed at WCR speci f i ed f or associ at ed ATS.

2. 5 ENCLOSURE

ATS and accessor i es shal l be i nst al l ed i n wal l - mount ed, f r ee- st andi ng, f l oor - mount ed, vent i l at ed, unvent i l at ed NEMA I CS 6, Type 1, 3R, 4, or 12, smoot h sheet met al encl osur e const r uct ed i n accor dance wi t h appl i cabl e r equi r ement s of UL 1066 and UL 1008. I nt ake vent shal l be scr eened and f i l t er ed. Exhaust vent shal l be scr eened. Door shal l have sui t abl e hi nges, l ocki ng handl e l at ch, and gasket ed j amb. Ther most at i cal l y cont r ol l ed heat er shal l be pr ovi ded wi t hi n encl osur e t o pr event condensat i on over t emper at ur e r ange st i pul at ed i n par agr aph SERVI CE CONDI TI ONS. Met al gauge shal l be not l ess t han No. 14. Encl osur e shal l be equi pped wi t h at l east t wo appr oved gr oundi ng l ugs f or gr oundi ng encl osur e t o f aci l i t y gr ound syst em usi ng No. 4 AWG copper conduct or s.

Fact or y wi r i ng wi t hi n encl osur e and f i el d wi r i ng t er mi nat i ng wi t hi n encl osur e shal l compl y wi t h NFPA 70. I f wi r i ng i s not col or coded, wi r e shal l be per manent l y t agged or mar ked near t er mi nal at each end wi t h wi r e number shown on appr oved det ai l dr awi ng. Ter mi nal bl ock shal l conf or m t o NEMA I CS 4. Ter mi nal s shal l be ar r anged f or ent r ance of ext er nal conduct or s f r om as shown. Mai n swi t ch t er mi nal s, i ncl udi ng neut r al t er mi nal i f used, shal l be pr essur e t ype sui t abl e f or t er mi nat i on of ext er nal copper conduct or s shown.

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2. 5. 1 Construction

Encl osur e shal l be const r uct ed f or ease of r emoval and r epl acement of ATS component s and cont r ol devi ces f r om f r ont wi t hout di sconnect i on of ext er nal power conduct or s or r emoval or di sassembl y of maj or component s.

Encl osur e of ATS wi t h BP/ I S shal l be const r uct ed t o pr ot ect per sonnel f r om ener gi zed BP/ I S component s dur i ng ATS mai nt enance.

2. 5. 2 Cl eani ng and Pai nt i ng

Bot h t he i nsi de and out si de sur f aces of an encl osur e, i ncl udi ng means f or f ast eni ng, shal l be pr ot ect ed agai nst cor r osi on by enamel i ng, gal vani z i ng, pl at i ng, powder coat i ng, or ot her equi val ent means. Pr ot ect i on i s not r equi r ed f or met al par t s t hat ar e i nher ent l y r esi st ant t o cor r osi on, bear i ngs, s l i di ng sur f aces of hi nges, or ot her par t s wher e such pr ot ect i on i s i mpr act i cal . Fi ni sh shal l be manuf act ur er ' s st andar d mat er i al , pr ocess, and col or and shal l be f r ee f r om r uns, sags, peel i ng, or ot her defects.

2. 6 TESTING

Submi t a descr i pt i on of pr oposed f i el d t est pr ocedur es, i ncl udi ng pr oposed dat e and st eps descr i bi ng each t est , i t s dur at i on and expect ed r esul t s, not l ess t han 2 weeks pr i or t o t est dat e. Submi t cer t i f i ed f act or y and f i el d t est r epor t s, wi t hi n 14 days f ol l owi ng compl et i on of t est s. Repor t s shal l be cer t i f i ed and dat ed and shal l demonst r at e t hat t est s wer e successf ul l y compl et ed pr i or t o shi pment of equi pment .

2. 6. 1 Fact or y Test i ng

A pr ot ot ype of speci f i ed ATS shal l be f act or y t est ed i n accor dance wi t h UL 1008. I n addi t i on, f act or y t est s shal l be per f or med on each ATS as follows:

a. I nsul at i on r esi st ance t est t o ensur e i nt egr i t y and cont i nui t y of ent i r e syst em.

b. Mai n swi t ch cont act r esi st ance t est .

c. Vi sual i nspect i on t o ver i f y t hat each ATS i s as speci f i ed.

d. Mechani cal t est t o ver i f y t hat ATS sect i ons ar e f r ee of mechani cal hindrances.

e. El ect r i cal t est s t o ver i f y compl et e syst em el ect r i cal oper at i on and t o set up t i me del ays and vol t age sensi ng set t i ngs.

2. 6. 2 Fact or y Test Repor t s

Manuf act ur er shal l pr ovi de t hr ee cer t i f i ed copi es of f act or y t est r epor t s.

2. 7 FACTORY TESTI NG ( MEDI CAL FACI LI TI ES)

The f act or y t est s f or ATS and By- Pass/ I sol at i on swi t ches used i n medi cal f aci l i t i es shal l be conduct ed i n t he f ol l owi ng sequence:

a. Gener al

b. Nor mal

c. Over vol t age

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d. Under vol t age

e. Over l oad f . Endur ance

g. Temper at ur e Ri se

h. Di el ect r i c Vol t age- Wi t hst and i . Cont act Openi ng j . Di el ect r i c Vol t age- Wi t hst and ( Repeat ed)

k. Wi t hst and l . I nst r ument at i on and Cal i br at i on of Hi gh Capaci t y

m. Cl osi ng

n. Di el ect r i c Vol t age- Wi t hst and ( Repeat ed)

o. St r engt h of I nsul at i ng Base and Suppor t

2. 7. 1 Vi ewi ng Por t s

ATS and BP/ I S swi t ches shal l be of dr aw- out const r uct i on. Vi ewi ng por t s t o i nspect t he cont act s wi t hout r equi r i ng di sassembl y shal l be pr ovi ded.

2. 7. 2 Oper at i ng Handl es

The oper at i ng handl es shal l be ext er nal l y oper at ed, and desi gned and const r uct ed not t o st op i n an i nt er medi at e or neut r al posi t i on dur i ng oper at i on, but shal l per mi t l oad by- pass and t r ansf er swi t ch i sol at i on i n no mor e t han t wo manual oper at i ons whi ch can be per f or med by one per son i n 5 seconds or l ess. The t r ansf er speed wi l l be i ndependent of t he oper at i onal speed of t he swi t ch handl e or handl es.

PART 3 EXECUTI ON

3. 1 INSTALLATION

ATS shal l be i nst al l ed as shown and i n accor dance wi t h appr oved manuf act ur er ' s i nst r uct i ons.

3. 2 INSTRUCTIONS

Manuf act ur er ' s appr oved oper at i ng i nst r uct i ons shal l be per manent l y secur ed t o cabi net wher e oper at or can see t hem. One- l i ne and el ement ar y or schemat i c di agr am shal l be per manent l y secur ed t o i nsi de of f r ont encl osur e door .

3. 3 SI TE TESTI NG

Fol l owi ng compl et i on of ATS i nst al l at i on and af t er maki ng pr oper adj ust ment s and set t i ngs, s i t e t est s shal l be per f or med i n accor dance wi t h manuf act ur er ' s wr i t t en i nst r uct i ons t o demonst r at e t hat each ATS f unct i ons sat i sf act or i l y and as speci f i ed. Advi se Cont r act i ng Of f i cer not l ess t han 5 wor ki ng days pr i or t o schedul ed dat e f or s i t e t est i ng, and pr ovi de cer t i f i ed f i el d t est r epor t s wi t hi n 2 cal endar weeks f ol l owi ng successf ul compl et i on of s i t e t est s. Test r epor t s shal l descr i be adj ust ment s and set t i ngs made and si t e t est s per f or med. Mi ni mum oper at i onal t est s shal l i ncl ude t he f ol l owi ng:

3. 3. 1 I nsul at i on Resi st ance

I nsul at i on r esi st ance shal l be t est ed, bot h phase- t o- phase and phase-to-ground.

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3. 3. 2 Power Fai l ur e of Nor mal Sour ce

Power f ai l ur e of nor mal sour ce shal l be s i mul at ed by openi ng upst r eam pr ot ect i ve devi ce. Thi s t est shal l be per f or med a mi ni mum of f i ve t i mes.

3. 3. 3 Power Fai l ur e of Emer gency Sour ce

Power f ai l ur e of emer gency sour ce wi t h nor mal sour ce avai l abl e shal l be s i mul at ed by openi ng upst r eam pr ot ect i ve devi ce f or emer gency sour ce.

Thi s t est shal l be per f or med a mi ni mum of f i ve t i mes.

3. 3. 4 Low Phase- t o- Gr ound Vol t age

Si mul at e l ow phase- t o- gr ound vol t age f or each phase of nor mal sour ce.

3. 3. 5 Oper at i on and Set t i ngs

Ver i f y oper at i on and set t i ngs f or speci f i ed ATS f eat ur es, such as over r i de t i me del ay, t r ansf er t i me del ay, r et ur n t i me del ay, engi ne shut down t i me del ay, exer ci ser , auxi l i ar y cont act s, and suppl ement al f eat ur es.

3. 3. 6 ATS and BP/ I S Funct i ons

Ver i f y mannual and aut omat i c ATS and BP/ I S f unct i ons.

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