180385395-PIP-ELSSG11-pdf

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April 19 97

Process Industry Indu stry Practices Practices Electrical

PIP ELSSG11 Design Desig n and Fabricat Fabrication of Electrical Electrical Pow P ower er Center

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PURPOSE A ND USE USE OF PROCESS PROCESS INDUSTRY PRACTICES PRA CTICES In an effort to minimize te cost of !rocess !roces s industry f acilities" f acilities" tis Practice as #een !re!ared from te tec nical nical re$uirements re$uirements in te e%istin& e%istin& standards of ma 'or ma 'or industrial industrial users" contractors" contrac tors" or s tandards or&anization or&anizations( s( )y armonizin& armonizin& tese tecnical re$uirements into a sin&le set of Practices" administrati*e" a!!lication" and en&ineerin& costs to #ot te !urcaser and te manuf acturer manuf acturer sould #e reduced( +ile tis Practice is e%!ected to incor!orate te ma 'o ma 'ority rity of re$uirements re$uirements of mos t users " indi*i indi*idual dual a!!lications may in*ol*e re$uirements tat ,ill #e a!!ended to and ta-e !recedence o*er tis tis Practice( Determinati Determinations ons c oncernin& f itness f itness for !ur!ose and !articular matters or a!!lication of te Practice to !articular !ro'ect or en&ineerin& situations sould not #e made solely on information contained in tese materials( Te use of trade names from time to time sould not #e *ie,ed as an e%!ression of !reference #ut r ater reco&nized as normal usa&e in te trade( Oter #rands a*in& te same s!ecif ications s!ecif ications are e$ually correct and may #e su#stituted f or f or tose named( All !ractices or &uidelines are intended to #e consistent ,it a!!lica#le la,s and re&ulations includin& OS.A re$uirements( To te e%tent tese !ractices or &uidelines sould conflict ,it OS.A or oter a!!lica#le la,s or re&ulations" suc la,s or re&ulations must #e f ollo,ed( f ollo,ed( Consult an a!!ro!riate !rofessional #efore #efore a!!lyin& a!!lyin& or ac tin& on any material material contained contained in or su&&ested #y te Practice(

/Process Industry Practices 0PIP1" Construction Industry Institute" Te Uni*ersity of Te%as at Austin" 2345 Red Ri*er Street" Suite 264" Austin" Te%as 75748( PIP mem#er com!anies may co!y tis !ractice for teir internal use(

N o t printed with state funds

Page 3 April 19 97

Process Industry Practices Electrical

PIP ELSSG11 Design and Fabrication of Electrical Power Center Table of Contents

6(94 +alls((((((((((((((((((((((((((((((((((((((((((((((((5 6(99 Floor(((((((((((((((((((((((((((((((((((((((((((((((((5 6(93 Ins ulation((((((((((((((((((((((((((((((((((((((((((5 6(92 .eatin&" ?entilation and Air@ Cond itionin& 0.?AC1 (((((((((((((((((((((((( 5 6(96 Electrical Acc esso ries(((((((((((((((((((((((> 6(98 Coatin&s ((((((((((((((((((((((((((((((((((((((((( 93 6(9< ;a#elin& and Ta&&in& ((((((((((((((((((((( 93 6(97 Oter Accessories (((((((((((((((((((((((((( 92

1. Introduction ..................................2 9(9 Pur! os e ((((((((((((((((((((((((((((((((((((((((((((3 9(3 Sco!e (((((((((((((((((((((((((((((((((((((((((((((((3

2. References....................................2 3(9 Process Indu stry Practices 0PIP1(((((((3 3(3 Industry Codes and Standards ((((((((((3 3(2 :o*ernment Re&ulations ((((((((((((((((((2

. Definitions..................................... !. Design and Fabrication ...............! 6(9 :eneral Desi&n Criteria(((((((((((((((((((((6 6(3 :eneral Fa#rication Criteria((((((((((((((6 6(2 ;ayout(((((((((((((((((((((((((((((((((((((((((((((((6 6(6 Structural ;oadin&(((((((((((((((((((((((((((((8

". Ins#ection and Testing..............1 $. S%i##ing .....................................1 &. Docu'entation........................... 1!

6(8 Roof((((((((((((((((((((((((((((((((((((((((((((((((((8 6(< Doors=R ain Cano!y=E%it Si&ns ((((((((((< 6(7 Access Panels=Ca#le Entry (((((((((((((((7 6(5 Ste!s ((((((((((((((((((((((((((((((((((((((((((((((((7 6(> Ceilin& ((((((((((((((((((((((((((((((((((((((((((((((7

7(9 Documentation Content (((((((((((((((((( 96 7(3 Dra,in& and Data R e$uirements (((( 9<

Process Ind ustr y Practices

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Page 4 PIP ELS S G11 esign a nd ! a"rication of Electrical Po wer #enter

1.

Introduction 1.1

Pur#ose

Tis Practice co*ers te &eneral re$uirements f or te desi&n" materials fa#rication" ins!ection" testin& and si!!in& of Po,er Centers for enclosin& and ousin& electrical e$ui!ment f or installation in cemical !lants and !etroleum facilities( 1.2

Sco#e

9(3(9 Te Po,er Center sall include installed li&tin&" rece!tacles" s,itces" transformers" !o,er !anels" .?AC system" doors" ard,are" ,irin& and oter com!onents re$uired f or a com!lete unit( 9(3(3 Te Po,er Center sall #e ca!a#le of accommodatin& te s!ecified electrical e$ui!ment" ,ic may include any of te f ollo,in& medium and lo, *olta&e

A pril 19 97

s,itc&ear" medium and lo, *olta&e motor control centers" medium and lo, *olta&e ad 'usta#le s!eed dri*es" UPS sys tems" transfer s,itces" and oter electrical distri#ution and control e$ui!ment( 9(3(2 Te s!ecific re$uirements of electrical e$ui!ment installed ,itin te Po,er Center 0suc as s,itc&ear" motor control centers" etc(1 ,ill #e co*ered #y se!arate s!ecif ications( 9(3(6 Any f ailure #y te Seller to ta-e e%ce!tion to any !art of tis s!ecification in te initial #id !ro!osal sall indicate com!lete com!liance to te s!ecif ication( 9(3(8 It sall #e te SellerBs res!onsi#ility to #e" or to #ecome" -no,led&ea#le of te re$uirements of te Standards and Codes ref erenced in Section 3( 9(3(< Te Seller sall #rin& any c onflicts #et,een standards=c odes and tis s!ecification to )uyers attention f or resolution(

2.

References A !!lica#le re$uirements in te latest edition 0or te edition indicated1 of te f ollo,in& industry standards and Process Industry Practices sall #e considered an inte&ral !art of tis Practice( Sort titles ,ill #e used in tis s!ecification ,en a!!ro!riate( 2.1

Process Industr( Practices )PIP* −

PIP E;SS:99D @ ata S heet f or esign and ! a"rication o f Electrical Power #enter 0com!leted for a!!lication1

2.2

Industr( Codes and Standards •

Institute of Electrical and Electronics En&ineers 0IEEE1 −

IEEE C27(34(3 @ 9>>2 Section 8(3(> % Standard f or &etal%clad and S tation% ' ype #u"icle Switchgear

•

American Society f or Testin& aterials 0AST1

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Process Industry Practices

Page 5 PIP E LS S G11 A pril 199 7

esign a nd !a" rication of Electrical Po wer # enter

−

−

AST A2<=2<@>6 @ S tandard S peci f ication f or #ar"on Structural Steel AST A>4=>4@>2 @ S tandard ' est ðod f or (eight ) &ass * o f #oating on Iron and Steel Articles (ith +inc or +inc%Alloy # oatings 0AAS.TO T<81

−

AST A838 Re* A@>9 @ Standard S peci f ications f or General ,e-uire.ents f or Steel S heet/ +inc%#oated ) Gal0anied * 2 y 'he 3 ot%ip Process

−

AST )997@>6 @ Standard Practice f or 4 perating Salt S pray ) ! og * 'esting Apparatus

−

AST D<8>@5< @ & ethod f or E0aluating egree of # hal5ing o f Eterior

Paints −

AST D796@>6 @ S tandard 'est ðod f or E0aluating egree o f 2listering o f Paints

−

AST D9<86@>3 @ & ethod f or E0aluation o f Painted or #oated S peci.ens Su" 8ected to #orrosi0e En0iron.ents

−

AST D3366@5> @ ' est ðod f or #alculating o f # olor i f f erences !ro. Instru.entally &easured #olor #oordinates

−

AST E56@>6 @ Standard ðod f or Sur f ace 2urning #haracteristics of 2uilding &aterials

•

National Fire Protection Association 0NFPA1 −

−

−

NFPA 74 @ N ational Electrical # ode 0NEC1 NFPA 949 @ Li f e Sa f et y #ode NFPA 388 @ ðod o f 'est o f S ur f ace 2urning #haracteristics o f 2uilding &aterials

−

NFPA 6>< @ Standard !or Purged and Pressuried Enclosures ! or Electrical E-uip.ent

2.

Go+e rn'e nt Re gulations

Federal Standards and Instructions of te Occu!ational Safety and .ealt Administration 0OS.A1" includin& any additional re$uirements #y state or local a&encies tat a*e 'urisdiction ,ere te electrical ,or- is to occur" sall a!!ly(  OS.A 9>94" Su#!art D @ (al5ing%(or5ing Sur f aces

.

Definitions N E& A National Electrical anufacturers Assoc iation Power #enter For te !ur!oses of tis document" a Po,er Center is a f actory assem#led" self @contained" en*ironmentally controlled" ,al-@in s-id@mounted unit( Seller Te successful #idder of tis e$ui!ment sall erein #e referred to as Seller(


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!.

De sign and Fabrication

A pril 19 97

!.1

Ge ne ral De sign Crite ria 6(9(9 All Po,er Center materials" includin& f inis" insulation" and acoustical

treatments" sall a*e a ma%imum f lame s!read of 38 or less( Ref er to N ! PA $;;( Te materials sall #e tested as def ined in AS ' & E<:%9:( 6(9(3 All o!enin&s into te Po,er Center sall #e sealed to !ro*ide a ,eaterti&t seal from outside elements( 6(9(2 Fire e%tin&uisers" car#on dio%ide ty!e" 94 !ound ca!acity" and@carry" ,it an&in& #rac-et" ose" ose nozzle" and and s$ueeze *al*e control sall #e !ro*ided ,en and in te $uantity s!ecified on Data S%eet ( 6(9(6 Po,er Center sall #e desi&ned to com!ly ,it seismic zone desi&nation as indicated on te Data S%eet ( !.2

General Fabrication Criteria

6(3(9 All structural #olts and fasteners sall #e SAE &rade 8 or #etter and sall #e ot di!!ed &al*anized( 6(3(3 All e%ternal nonstructural #olts" fasteners" and Po,er Center ard,are sall #e Ty!e 244 Series stainless steel( 6(3(2 All e$ui!ment sall #e securely #olted to te Po,er Center( 6(3(6 Enclosure sall meet te rain test !erf ormance re$uirements of I EEE #7=$>=$ % 9>>2 Section 8(3(>( anuf acturer sall #e a#le to f urnis documentation tat Seller desi&n meets tis re$uirement( !.

La(out

6(2(9 Te e$ui!ment layout" door and !anel location" Po,er Center size" ancorin& details" si!!in& s!lit0s1 ,it e$ui!ment dimensions and ,or-in& clearances sall #e indicated on te La(out Drawing ( 6(2(3 Conduit" ca#le tray" and #us duct entrances sall #e !ro*ided and located as so,n on te La(out Drawing ( Su!!orts f or conduit" tray" and duct sall #e !ro*ided as !art of te Po, er Center desi&n( 6(2(2 a%imum dimensions 0len&t" ,idt" ei&t1 of Po,er Center sall #e in com!liance , it local trans!ortation codes f or te mode of trans!ortation( Restricti*e dimensions suc as ma%imum ei&t or ,idt sall #e indicated on La(out Drawing #y te )uyer(

6(2(6 Inside ei&t of ceilin& to f inised floor sall #e a minimum of > feet < inces or as indicated on te La(out Drawing ( 6(2(8 +or-in& s!ace around e$ui!ment sall #e in accordance ,it te e$ui!ment manufacturers recommendations" #ut sall not #e less tan as indicated in N ! PA 7> Ta#le 994@9< 0a1 condition 2 for <44 *olts nominal or less e$ui!ment and Ta#le 994@26 0 a1 condition 2 f or a#o*e <44 *olts( Suf ficient

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Page 7 PIP E LS S G11

A pril 199 7


aisle s!ace sall #e !ro*ided to allo, for remo*al of e$ui!ment( Re$uirements of N !P A 1>1 sould #e used ,en layin& out e$ui!ment and doors( 6(2(< Pro*ision f or future e%tension sall #e as indicated on te La(out Drawings. !.!

Structural loading

6(6(9 Desi&n sall meet all load com#inations( 6(6(3 Te structural steel #ase sall #e desi&ned to ,itstand all si!!in& and erection loads in addition to normal dead and li*e loads( 6(6(2 Te #ase of te Po,er Center sall #e of ade$uately sized AS'& A6 structural steel mem#ers ri&idly #raced ,it structural steel cross@mem#ers for installation on a concrete sla# or !iers #y oters as s!ecif ied on Data S%eet ( 6(6(6 a%imum #ase deflection sall #e ;=364( 6(6(8 Floor sall #e desi&ned for a 9=23@inc ma%imum def lection ,en mo*in& remo*a#le e$ui!ment elements( 6(6(< ac-in& f acilities sall #e !ro*ided for #ase le*elin&( 6(6(7 Assem#led Po,er Center or eac si!!in& assem#ly ,it all e$ui!ment installed sall #e desi&ned for ma%imum f our 061 !oint #ottom lif t( 6(6(5 ;iftin& eyes sall #e remo*a#le( 6(6(> S!reader #ar for liftin& te com!lete Po,er Center sall #e !ro*ided alon& ,it s-etc and calculations" ,en s!ecif ied on te Data S%eet ( 6(6(94 Te #earin& surfaces of te lif tin& eyes" s!reader #ar and oter re$uired lif tin& means sall #e free from sar! ed&es( !."

Roof

6(8(9 Roof !anels sall #e minimum 95@&au&e steel conformin& to AS' & A;$; s!ecif ications ,it te &al*anized coatin& conformin& to AS' & A9> 09@9=6 ounce1 standards( 6(8(3 inimum yield stren&t of roof !anel material sall #e 2<"444 !si( 6(8(2 Roof !anels sall #e f actory !ainted ,ite or as s!ecif ied on te Data S%eet ( 6(8(6 Roof 'oints 0if !resent1 sall #e of standin& seam construction ,it a ca! o*er te seam or interloc-in& !anel desi&n( 6(8(8 Roof !anels sall #e su!!lied in a sin&le continuous len&t from ea*e line to rid&e line and sall #e desi&ned to ti&tly interloc- so tat fasteners are not re$uired at intermediate !oints alon& te !anel side la!s( 6(8(< Te Po,er Center roof sall #e slo!ed 9 inc !er foot nominal and of suc a desi&n to carry a load of 64 !ounds !er s$uare foot unless oter,ise s!ecified on Data S%eet. 6(8(7 Te roof sall not drain on any side tat as a !ersonnel entry door,ay(


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6(8(5 Aluminum &utters and do,n s!outs sall #e !ro*ided ,en s!ec ified on te Data S%eet ( !.$

Doors,Rain Cano#(,E-it Signs

6(<(9

091( A minimum of t,o 2<@inc ,ide &as-eted doors" one at eac end of te !o,er center" sall #e !ro*ided and located to facilitate e&ress and to !re*ent entra!ment of !ersonnel( 031( Te doors sall #e desi&ned to !ro*ide ade$uate eadroom" #ut in no case sall te ei&t #e less tan 7 f eet < inces nor any !ro'ection #e less tan < feet 5 inces f rom te floor( 021( All doors sall o!en out,ard(

6(<(3 Doors sall #e made from 96 &au&e steel minimum( 6(<(2 Doors sall #e insulated and made of dou#le ,all construction ,it inte&ral f rame( 6(<(6 All doors sall #e flus at te to! to !re*ent ,ater entry( 6(<(8 Inside !anic ard,are desi&ned to o*erride all loc-s" -ey loc-" door closer and stay in&e sall #e !ro*ided( Common -eyed loc-s sall #e !ro*ided on all doors( A minimum of f i*e 081 -eys sall #e !ro*ided ,it eac Po,er Center( 6(<(< Door closer ard,are sall #e !neumatic or ydraulic and sall #e ca!a#le of oldin& door in te fully o!en !osition( 6(<(7 All e$ui!ment loadin& door@o!enin&s sall #e a minimum 2< inces ,ide #y >< inces i&( Te ><@inc ei&t can include remo*a#le transom !anel and standard ei&t door( 6(<(5 E$ui!ment loadin& doors sall #e of ade$uate size to remo*e or install lar&est e$ui!ment sec tion in te Po,er Center( 6(<(> Doors sall #e !ro*ided ,it a dou#le !anel saf ety &lass ,indo,s in te to! alf of te door ,en s!ecified on te Data S%eet ( 6(<(94 +eatersields" a minimum of < inces o*eran&" sall #e !ro*ided o*er all e$ui!ment access doors and !ersonnel entry doors( 6(<(99 In addition to te ,eatersield" a rain cano!y sall #e !ro*ided o*er eac !ersonnel entry door( Rain cano!y sall e%tend a minimum of 2< inces from te structure and e%tend < inces on eac side of te door o!enin&( 6(<(93 +eatersields and rain cano!ies sall #e com!ati#le ,it #uildin& e%terior material and ,ind *elocity desi&n( 6(<(92 En&ra*ed or li&ted e%it si&ns sall #e !ro*ided on or on to! of eac door at a cons!icuous location( E*ery e%it si&n sall a*e te ,ord GE%itH in !lainly le&i#le letters not less tan < inces i&" ,it te !rinci!al stro-e of letters not less tan 2=6 inc ,ide(

A pril 19 97

Pag e 6 o f 16




6(<(96 Any o!enin& li-ely to #e confused for an access door" suc as e$ui!ment access !anels for f uture e$ui!ment" sall #e clearly mar-ed ,it a si&n readin& GNot an E%it(H !. &

/cce ss Pane ls ,Cable Ent r(

6(7(9 Outside e$ui!ment access !anels #eind e$ui!ment sall #e !ro*ided ,en so,n on te La(out Drawing ( 091( Panels sall #e ca!a#le of #ein& o!ened ,it e$ui!ment in !lace( 031( Panels s all #e insulated" ,eater!roof and &as-eted" f ull@ei&t and in&ed( 021( Panels sall a*e 2 !oint latcin& mecanism ,it !adloc-a#le andle( 061( Panels sall #e 99@&au&e steel minimum( 6(7(3 All e$ui!ment acc ess !anels f or f uture e$ui!ment sall #e !ro*ided ,it an easily remo*a#le ,all !anel to !re*ent #ein& used as an access door( 6(7(2 +en indicated on te La(out Drawing " side entrance metal framed #ul-ead o!enin&s or oter )uyer a!!ro*ed metods sall #e !ro*ided #y te Seller( 6(7(6 +en #ottom entranc e is indicated on te La(out Drawing for ca#le entry" remo*a#le nonma&netic !lates sall #e !ro*ided to f acilitate drillin& for conduit and ca#le o!enin&s( !.0

Ste#s

6(5(9 Access ste!s and !latf orm ,it inte&ral andrails for eac e%terior door" sall #e !ro*ided ,en s!ecified on te Data S%eet ( 6(5(3 Treads sall #e minimum No( 99@&au&e &al*anized steel ,it o!en &ri! &ratin&( 6(5(2 inimum tread size sall #e 2< inces ,ide #y 93 inces dee! #y 3 inces i&( 6(5(6 Ste! unit sall a*e a <@inc ma%imum rise and 93@inc minimum treads and a minimum ,idt of 2< inces( 6(5(8 Remo*a#le andrails sall #e !ro*ided on #ot sides of te ste!s and sall a*e a minimum and &ri! surf ace of 9@9=3 inces( .andrails sall com!ly ,it all 4S 3 A 191>/ Su"part  re$uirements =

6(5(< Platform at eac door sall #e of sufficient dimensions to allo, f ull o!enin& of doors and minimum 35 inces ,ide clearance #et,een te door and andrails ,it door o!en( !.

Ceiling

Te metal ceilin& system sall consist of !anels of minimum 9< &au&e interloc-ed formed &al*anized steel conf ormin& to AS'& A;$; s!ecifications ,it te &al*anized coatin& conformin& to AS' & A9> 09@9=6 ounce1 standards" f actory !ainted ,ite" interloc-ed ,it te roof !anels(


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!.1 3alls

6(94(9 Outer ,all !anels sall #e minimum 95@&au&e &al*anized steel conformin& to AS ' & A;$; s!ecifications ,it te &al*anized coatin& conformin& to AS'& A9> 09@9=6 ounces1 standards( Inner ,all !anels sall #e f a#ricated of 9<@ &au&e minimum" interloc-ed" formed &al*anized steel( inimum yield stren&t of !anel material sall #e 2<"444 !si( Panels sall #e a#le to , itstand 944 m! desi&n ,ind loads( 6(94(3 E%terior ,all !anels of te Po,er Center sall #e a sin&le continuous len&t f rom te #ase cannel to te roof line of te Po,er Center at te side,alls and end ,alls of te Po,er Center" e%ce!t ,ere interru!ted #y ,all o!enin&s( !.11 Floor

Floor sall #e 9=6@inc AST A2< steel minimum" ,elded to all !erimeter cannels and cross #eams to !roduce a f lat surface" f ree from any e%!osed seams" ri!!les or irre&ularities( !.12 Insulation

6(93(9 Po,er Center sall #e insulated for te climatic conditions so,n on te Data S%eet ( Roof and sides as re$uired sall a*e a minimum insulation *alue for an effecti*e R *alue of 99( Insulation to a*e minimum f lame s!read as noted

in Section 6(9(9( 6(93(3 Roof insulation sall #e secured #et,een te roof and ceilin& !anels( !.1 4eating5 6entilation and /irConditioning )46/C*

6(92(9 .?AC system to #e suita#le for installation accordin& to te electrical area classification( 6(92(3 +en te Data S%eet indicates Po,er Center installation in an electrically classified area" te Po,er Center sall #e !ressurized in accordance ,it te latest edition of N !PA :96 " Ca!ter 6" GPur&ed Po,er E$ui!ment Enclosures

A pril 19 97

in Class I ;ocationsH to result in a nonclassif ied inside en*ironment( 6(92(2 .?AC system sall consist of ,all mounted unit desi&n termostatically controlled f rom ,itin te Po,er Center" unless s!ecified oter,ise on Data S%eet ( 6(92(6 Te Po,er Center sall #e essentially airti&t desi&n" and te .?AC system sall !ro*ide a sli&t !ositi*e inside !ressure to !re*ent entry of dust laden air and contaminants(

Pag e < o f 16




6(92(8 Su!!ortin& calculations to determine eatin& and air@conditionin& loads sall #e furnised #y Seller as descri#ed in Section 7(9(8 d( 6(92(< Te .?AC system sall #e ca!a#le of maintainin& a tem!erature of 54 F °

037 C1 at te ma%imum am#ient tem!erature s!ecif ied on te Data S%eet ( °

6(92(7 Te eater sall #e a#le to maintain a tem!erature of <8 F 095 C1 74 F °

°

°

039 C1 ,en #atteries are installedJ at te minimum am#ient tem!erature °

s!ecif ied on te Data S%eet ( 6(92(5 Te #asis f or calculatin& eat load sall include all e$ui!ment load losses" e$ui!ment #y Seller and consideration f or all defined s!are and f uture s!ace0s1( 6(92(> Te *entilation system sall !ro*ide a minimum si% 0<1 air can&es !er our( 6(92(94 An enclosed safety disconnect s,itc ,it !ro*isions f or !adloc- in GOFFH !osition" a!!ro*ed f or te area classification" sall #e !ro*ided on or mounted ad'acent to outdoor unit0s1( For nonclassif ied areas" a NEA 2R enclosure sall #e used( Source of !o,er sall #e identified on te disconnect s,itc( 6(92(99 One form C contact sall #e !ro*ided to acti*ate an alarm if interior tem!erature e%ceeds >4 F 023 C1( °

°

6(92(93 +en #atteries are installed in te Po,er Center" te .?AC system sall #e ca!a#le of maintainin& 74 F 039 C1 under te minimum am#ient conditions °

°

s!ecif ied in te Data S%eet ( Te *entilation system sall maintain ydro&en concentration from #atteries to less tan 9 !ercent #y *olume ,it one unit o!eratin&( Te ydro&en emmission from #atteries sall #e calculated #ased

on e$ualizin& car&e into fully car&ed #atteries at te ma%imum am#ient tem!erature s!ecif ied in te Data S%eet ( 6(92(92 Re!lacea#le filters sall #e accessi#le from ,itin te Po,er Center( !.1! Electrical /ccessories !.1!.1 General

091( Su!!ly *olta&e for li&tin&" rece!tacles" and e$ui!ment acc essories sall #e as s!ecif ied on te Data S%eet ( 031( Po,er !anels sall #e constructed as follo,s •

Pro*ide a minimum one 091 !o,er !anel ,it inte&ral main #rea-er" #olt@on" industrial ty!e #ranc c ircuit #rea-ers" neutral #us" and &round #us(

•

All #ranc circuit #rea-ers sall #e a minimum 34 am! ,it !ro*ision for !ad loc-in& in GOFFH !osition( Size to #e determined #y Po,er Center load(

•

Pro*ide a minimum one 091 circuit for li&tin&" one 091 for rece!tacles" and one 091 eac for s!ace eatersK one 091 for .?AC


Pag e 9 o f 16


A pril 19 97

if re$uired from eac !anelK and minimum f our 061 s!are circuits on eac !anel for )uyers use( •

•

;i&tin& and .?AC units sall #e s!lit #et,een t,o !anels( An en&ra*ed circuit directory sall #e !ro*ided on te f ront of te !anel(

•

Additional !o,er !anels sall #e !ro*ided ,en s!ecif ied on te Data S%eet (

021( Pro*ide one 091 solidly &rounded" dry@ty!e transf ormer ,it t,o 031 3@ 9=3L ta!s a#o*e and #elo, normal !rimary *olta&e( A &round ,ire sall #e connected to center ta!" to case" to &round in a continuous" un#ro-en loo!( Dry@ty!e transformer sall #e rated #ased on 54 C rise °

a#o*e am#ient at f ull load and 334 C rated insulation( °

061( +irin& sall #e installed as f ollo,s •

Te Po,er Center sall #e furnised com!lete ,it all interconnectin& ,irin& installed and connected !rior to si!!in&(

•

+irin& sall #e <44 ?" co!!er" minimum 93 A +:(

•

All ,irin& sall #e installed in surf ace mounted metal conduit or ca#le trays(

•

Eac interconnectin& ,ire sall #e identified #y tu#ular ,ire mar-ers at eac end(

•

+ire identif ication sall matc te manufac turerBs interconnection dra,in&s(

081( Ca#le tray ,en utilized sall #e NEA Class 34@)" aluminum( 0<1( All ,irin& metods" race,ays" and ca#le systems sall conf orm to N ! P A 7>( !.1!.2 Con+enience Rece#tacles5 12 6olt

091( A minimum of f our 061 U; ty!e A :FCI rece!tacles sall #e !ro*ided" t,o 031 inside and t,o 031 outside of te Electrical Po,er Center( 031( Rece!tacles sall #e ,ired to Po,er Center !o,er !anel( 021( Inside te Electrical Po,er Center te rece!tacles sall #e s!aced e*ery 94 f eet( 061( Rece!tacles located outside sall #e !ro*ided , it ,eater!roof c o*ers and sall #e located near eac door( 081( E%terior rece!tacles sall #e a!!ro*ed f or te area electrical classif ication s!ecified on te Data S%eet (

Pag e 1> o f 16




!.1!. Lig%ting

091( Interior ;i&tin& a( Te Po,er Center sall #e f urnised com!lete ,it inte&rally !rotected industrial ty!e ra!id start f luorescent li&tin& fi%tures" ener&y efficient #ul#s and an industrial &rade 2@,ay s ,itc at eac !ersonnel door on te nonin&ed side of te door( +ire &uards sall #e !ro*ided o*er te fi%tures( #( Te illumination le*el" minimum maintained foot@candles" s all #e 84 f oot@candles 0fc1 at te f loor le*el ,it 24 f c on te *ertical face of eac e$ui!ment line@u!( 031( Emer&ency ;i&tin&

+en s!ecif ied on te Data Seet" te Po,er Center sall #e furnised com!lete ,it self@contained #attery o!erated emer&ency li&tin&( Emer&ency li&tin& system sall !ro*ide immediate emer&ency li&t 0for at least >4 minutes1 u!on f ailure of te normal !o,er source and sall s,itc of f automatically ,en !o,er is restored( Muartz .alide sealed #eam lam!s sall #e utilized( Te emer&ency li&tin& sall #e connected to a rece!tacle located ad'acent to te f i%ture and su!!lied f rom te li&tin& circuit f or tat area( 021( E%terior ;i&tin& Te Po,er Center sall #e furnised com!lete ,it f actory@installed" instant@restart" 934@?olt" 84@, att minimum i&@!ressure sodium li&t f i%tures ,it inte&ral !oto control and ,it &lo#e and &uard located ad 'acent to eac door, ay and connected t o te Po,er Center !o,er !anels( E%terior li&tin& sall #e enclosed and &as-eted and a!!ro*ed for te area electrical classification s!ecified in te Data S%eet. !.1!.! Grounding and 7onding

091( System and e$ui!ment &roundin& and #ondin& sall #e in acc ordance ,it N !PA 7>" Article 384( 031( All e%!osed noncurrent carryin& metal !arts includin& Po,er Center additions" suc as s te!s" etc( sall #e electrically #onded( 021( Te &round loo! sall #e constructed of 6=4 A+:" stranded" class )" sof t dra, n" c o!!er conduc tor a*in& &reen insulation and sall #e connected to te &round !ads descri#ed #elo,( 061( :roundin& system su!!lied and installed #y te Seller sall !ro*ide system and e$ui!ment &roundin& f or all electrical e$ui!ment and te Po,er Center frame( Eac e$ui!ment assem#ly &round #us sall #e connected at eac end to te Po,er Center &roundin& loo!( 081( One NEA standard 6@ole stainless steel &round !ad sall #e located at eac corner of te e%terior of te Po,er Center 0total of four 061


Pag e 11 o f 16


&round !ads1 and sall #e connected to te &round loo! descri#ed a#o*e( !.1" Coatings

6(98(9 All structural f ramin& mem#ers sall #e cleaned to near ,ite metal( Te use of cemical or sol*ent cleanin& of structural steel sall not #e !ermitted #y te Po,er Center manufacturer( Follo,in& cleanin&" one so! coat of zinc@

A pril 19 97

cromate !rimer 09(8 mils minimum dry tic-ness1 sall #e a!!lied( 6(98(3 Floor surface sall #e finised ,it a dura#le" scuff@resistant" nons-id e!o%y or enamel coatin&( 6(98(2 All Po,er Center seams outside te Po,er Center sall #e sealed ,it 38@year marine sealant to !reclude cre*ice c orrosion and ass ure te en*ironmental inte&rity of te Po,er Center a&ainst #lo,in& rain" dust=dirt or sand( 6(98(6 All interior and e%terior e%!osed metal surfaces sall recei*e f actory !aint coats to meet or e%ceed 3444 ours of salt s!ray testin& as defined #y AS ' & 2117%9: and e*aluated !er AS' & 16;:%9$ and AS'& 71:%9:( 6(98(8 Interior and e%terior color coatin& desi&n sall meet te follo,in& !erf ormance standards af ter 94 years continuous e%!osure in normal atmos!eric conditions 091( Panels sall so, no e*idence of #listerin&" !eelin&" or ci!!in&( 031( Panels sall so, no surf ace cal-in& in e%cess of te AS ' & 6;9%<6 No( 5 ratin&( 021( Panels" after cleanin&" sall so, no color can&e in e%cess of se*en 071 units ,en measured in accordance ,it te AS ' & $$::%<9 standard( 6(98(< E%terior ,all !anels and trim sall #e !ainted ,ite" unless s!ecified oter,ise on Data S%eet (

6(98(7 All structural mem#ers under te floorin& sall #e coated ,it an additional 34@38 mils of #itumastic or e$ual undercoatin& to eliminate #ase rustin& and su#se$uent !otential corrosion( 6(98(5 T,o 031 one@$uart cans of touc@u! !aint sall #e su!!lied !er e$ui!ment assem#ly f or eac color used( !.1$ Labeling and Tagging

6(9<(9 Te Po,er Center and all e$ui!ment sall #e ta&&ed( 091( Po,er Center ta& sall #e laminated !lastic" #lac- letterin& on ,ite #ac-&round !ermanently attaced to eac !iece of e$ui!ment( 031( E$ui!ment la#els sall #e installed ,it stainless steel ard,are( 021( De*ice mar-ers and srin- slee*e ,ire mar-ers s all #e !ro*ided identif yin& all circuits and e$ui!ment(

Pag e 1$ o f 16




6(9<(3 Name!lates sall #e !ro*ided f or !anel#oards" annunciator !anels" dr y ty!e

transformers" s!ecialty e$ui!ment" and e%terior access !anels not oter,ise co*ered #y te e$ui!ment s!ecifications( 6(9<(2 ;i&tin& f i%tures" rece!tacles" .?AC and oter electrical e$ui!ment sall #e identif ied ,it !o,er source 0!anel name and circuit num#er1( !.1& 8t%er /ccessories

6(97(9 +en s!ecif ied on te Data S%eet " Seller sall !ro*ide #atteries( 6(97(3 +en f ield ser*icea#le #atteries are s!ecif ied on te Data S%eet f or installation in te Po,er Center" Seller sall !ro*ide a series 244 stainless steel dri! !an ,it a stainless steel 9@inc drain !i!e and sutof f *al*e under te #attery rac-( 6(97(2 Floor and ,alls ,itin 2 feet of te #attery rac- sall #e !ainted ,it t,o 031 coats of acid resistant !aint( 6(97(6 )attery rac- sall #e secured to te ,all( 6(97(8 Co*ers sall #e !ro*ided o*er #attery terminals( )attery size sall #e as s!ecif ied on te Data S%eet (

".

Ins #e ction and Te sting 8(9

Te Seller sall conduct all tests and ins!ections necessary to determine tat all e$ui!ment and ,irin& is installed in accordance ,it tis Practice and is in satisf actory condition to #e ener&ized( All test results sall #e documented and su#mitted to te )uyer f or record(

8(3

All e$ui!ment sall #e ins!ected for com!liance ,it all !arts of tis !ractice( )uyerBs ins!ection and testin& &uide sall #e used to test te entire assem#ly 0,ired Po,er Center1( In addition to testin& re$uired #y indi*idual e$ui!ment s!ecifications" a functional test sould #e !erf ormed to ensure !ro!er o!eration of all de*ices and com!onents(

8(2

Unless s!ecified oter,ise on te Data S%eet " )uyer sall ,itness all !roduction and functional tests( T,o ,ee-s notice sall #e &i*en to )uyer f or re$uired ins!ection and testin& date to meet si!ment deadlines(

$.

S%i##ing

<(9

Pre!aration for Si!ment sall #e in accordance ,it SellerBs standards unless oter,ise noted on te Re$uest for Muotation and=or Purcase Order( Te Seller sall #e solely res!onsi#le for te Pre!aration f or Si!ment(

<(3

;oose e$ui!ment" suc as au%iliary test de*ices" carts" re!lacement !arts" manual o!eratin& andles" !ac-in& de*ices" etc(" sall #e a!!ro!riately !ac-a&ed" ta&&ed for easy identification and secured for si!ment inside te Po,er Center(

<(2

Relays" contactors and oter com!onents ,it mo*in& !arts tat mi&t #e dama&ed in si!ment sall a*e all suc mo*in& !arts securely #loc-ed and #raced(


Page 16

Pag e 1 o f 16

PIP ELS S G11 esign a nd ! a"rication of Electrical Po wer #enter

<(6

Additional si!!in& and andlin& re$uirements tat a!!ear in te indi*idual e$ui!ment s!ecifications r eferred to in Sec tion 9(3(6 s all #e strictly adered to" ,en a!!lica#le(

<(8

+en Po,er Center is si!!ed in more tan one section" eac o!en si!!in& s!lit sall #e !rotected , it !ly,ood or oter a!!ro*ed metod(

&.

Docu'entation &.1

Docu'e ntation Conte nt

7(9(9 All en&ineerin& data !ro*ided for tis e$ui!ment sall re!resent te actual e$ui!ment s!ecified and ordered( 7(9(3 :eneric dra,in&s are not acce!ta#le unless te dra,in&s are re*ised to so, only te e$ui!ment #ein& furnised( 7(9(2 A!!ro*al Dra,in&s 0documents listed in column ) of te Dra,in& and Data Re$uirements Cart" 7(31 sall #e !ro*ided and a!!ro*ed #y )uyer !rior to start of manuf acturin&( 7(9(6 Final f actory dra,in&s and data 0as listed in column D of te Dra,in& and Data Re$uirements Cart" 7(31" com!leted to O,ners satisfaction" sall #e !ro*ided no later tan t,o 0 31 , ee-s after s i!ment of e$ui!ment( 7(9(8 Te Seller sall !ro*ide te f ollo,in& dra,in&s and details f or #uildin& and su!!ort facilities 091( Tree@line dia&ram sall include •

•

•

•

•

•

•

•

•

Fuse data Relay and=or C) data Transformer data )ill of aterials item ref erence )us size and *olta&e CC data Feeder num#ers and identification inimum motor data !ro*ided #y )uyer CT and PT sizes

031( +irin& and scematic dia&rams sall include •

•

•

•

•

All de*ice and com!onent identif ication Coil data Contact data E$ui!ment num#ers Com!onent sizes" suc as fuse" CPT and circuit #rea-ers

A pril 19 97

Pag e 1: o f 16




If a##re*iations are used" a le&end sall #e !ro*ided on te dra,in&( )ill of aterials item reference sall also #e indicated on te scematic dia&rams( 021( Structural dra,in&s sall include •

•

•

•

•

•

•

Com!lete dimensions Arran&ement Calculations ;i*e and dead load limitations Plan and ele*ation *ie,s Su!!ort locations and ,ei&t on eac su!!ort Oter details as re$uired for ci*il=structural desi&n f or installation of te Po,er Center

•

•

•

•

•

•

Conduit and #us duct entrance locations Ancor #olt size and locations ;iftin& and 'ac-in& !ro*isions :roundin& connections Estimated ,ei&t of eac !iece of e$ui!ment Total ,ei&t of Po,er Center" includin& layout of f loor #eams

061( .?AC dra,in&s sall include •

•

•

•

•

•

.eat loss and &ain calculations Pressurization calculations E$ui!ment selection calculations Arran&ement" !lan Ele*ation *ie,s Purcased .?AC e$ui!ment cut seets so,in& ca!acities and !ysical data

•

All maintenance" testin& and o!erations manuals


Pag e 1; o f 16


&.2

A pril 19 97

Drawing and Data Re9uire'ents

/



7

C

D













DESCRIPTI8: Detailed )ill of aterials :eneral layout of e$ui!ment" so,in& all dimensions" ,ei&ts" location and outline dra,in&s so,in& te final assem#led confi&uration( Connection ,irin& dia&rams" su!!ort locations and ,ei&t on eac







s su!!ort" and final assem#led conf i&uration and instructions f or assem#ly of e$ui!ment and Po,er Center







2@line" and cont rol scematic dia&rams Certified test re!orts



Installation" O!eration and aintenance anual

091  

Final As@)uilt Dra,in&s Recommended !riced s!are !arts list

A )idder s all furnis t ese do cuments ,it ! ro!osal( ) Seller s all f urnis t ese d ocuments for )uyerBs re*ie, and au torization to !roceed # efore f a#rication( C Seller s all f urnis tese do cuments as !art of te final certified d ocument su#mittal( 091 E$ui!ment s ould # e s i!!ed ,it one set of installation" o!eration" and maintenance manuals( D Final As @)uilt Dra,in&s !ro*ided ,itin t,o 031 ,ee-s f ollo,in& si!ment( Note091 Seller to !ro* ide one 091 re!rodu ci#le set o f dra,in&s !lus te s!ecif ied num#er of co!ies of all documentation and o!eratin& manuals as indicated on te Data S%eet( Preferred f ormat for re!rodu ci#le is CAD reada# le(

Pag e 16 o f 16


180385395-PIP-ELSSG11-pdf

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