UFGS_26_00_00.00_20_Basic_Electrical_Materials_and_Methods.pdf

USACE / NAVFAC / AFCEC / NASA UFGS- 26 00 00. 00 20 ( Jul y 2006) Pr epar i ng Act i v i t y: NAVFAC Super sedi ng UFGS- 26 00 00. 00 20 ( Apr i l 2006)

UNI FI ED FACI LI TI ES GUI DE SPECI FI CATI ONS

Ref er ences ar e i n agr eement wi t h UMRL dat ed Apr i l 2018

SECTI ON TABLE OF CONTENTS

DI VI SI ON 26 - ELECTRI CAL

SECTI ON 26 00 00. 00 20

BASI C ELECTRI CAL MATERI ALS AND METHODS

07/06

PART 1 GENERAL

1. 1 REFERENCES

1. 2 RELATED REQUI REMENTS

1. 3 DEFI NI TI ONS

1. 4 ELECTRI CAL CHARACTERI STI CS

1. 5 ADDI TI ONAL SUBMI TTALS I NFORMATI ON

1. 5. 1 Shop Dr awi ngs ( SD- 02)

1. 5. 2 Pr oduct Dat a ( SD- 03)

1. 6 QUALI TY ASSURANCE

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

1. 6. 2 St andar d Pr oduct s

1. 6. 2. 1 Al t er nat i ve Qual i f i cat i ons

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

1. 7 WARRANTY

1. 8 POSTED OPERATI NG I NSTRUCTI ONS

1. 9 MANUFACTURER' S NAMEPLATE

1. 10 FI ELD FABRI CATED NAMEPLATES

1. 11 WARNI NG SI GNS

1. 12 ELECTRI CAL REQUI REMENTS

1. 13 I NSTRUCTI ON TO GOVERNMENT PERSONNEL

PART 2 PRODUCTS

2. 1 FACTORY APPLI ED FI NI SH

PART 3 EXECUTI ON

3. 1 FI ELD APPLI ED PAI NTI NG

3. 2 FI ELD FABRI CATED NAMEPLATE MOUNTI NG

3. 3 WARNI NG SI GN MOUNTI NG

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

SECTI ON 26 00 00. 00 20 Page 1

USACE / NAVFAC / AFCEC / NASA UFGS- 26 00 00. 00 20 ( Jul y 2006) Pr epar i ng Act i v i t y: NAVFAC Super sedi ng UFGS- 26 00 00. 00 20 ( Apr i l 2006)

UNI FI ED FACI LI TI ES GUI DE SPECI FI CATI ONS

Ref er ences ar e i n agr eement wi t h UMRL dat ed Apr i l 2018

SECTI ON 26 00 00. 00 20

BASI C ELECTRI CAL MATERI ALS AND METHODS

07/06

NOTE: Thi s gui de speci f i cat i on cover s el ect r i cal gener al r equi r ement s, compl et e.

Adher e t o UFC 1- 300- 02 Uni f i ed Faci l i t i es Gui de Speci f i cat i ons ( UFGS) For mat St andar d when edi t i ng t hi s gui de speci f i cat i on or pr epar i ng new pr oj ect speci f i cat i on sect i ons. Edi t t hi s gui de speci f i cat i on f or pr oj ect speci f i c r equi r ement s by addi ng, del et i ng, or r evi s i ng t ext . For br acket ed i t ems, choose appl i cabl e i t em( s) or i nser t appr opr i at e i nf or mat i on.

Remove i nf or mat i on and r equi r ement s not r equi r ed i n r espect i ve pr oj ect , whet her or not br acket s ar e present.

Comment s, suggest i ons and r ecommended changes f or t hi s gui de speci f i cat i on ar e wel come and shoul d be submi t t ed as a Cr i t er i a Change Request ( CCR) .

NOTE: The f ol l owi ng i nf or mat i on shal l be shown on t he pr oj ect dr awi ngs:

1. Ext ent and l ocat i on of wor k t o be accompl i shed.

2. Wi r i ng, equi pment , and accessor i es necessar y f or a compl et e i nst al l at i on.

PART 1 GENERAL

1. 1 REFERENCES

NOTE: Thi s par agr aph i s used t o l i s t t he publ i cat i ons c i t ed i n t he t ext of t he gui de speci f i cat i on. The publ i cat i ons ar e r ef er r ed t o i n t he t ext by basi c desi gnat i on onl y and l i s t ed i n t hi s par agr aph by or gani zat i on, desi gnat i on, dat e, SECTI ON 26 00 00. 00 20 Page 2 and t i t l e.

Use t he Ref er ence Wi zar d' s Check Ref er ence f eat ur e when you add a Ref er ence I dent i f i er ( RI D) out s i de of t he Sect i on' s Ref er ence Ar t i c l e t o aut omat i cal l y pl ace t he r ef er ence i n t he Ref er ence Ar t i c l e. Al so use t he Ref er ence Wi zar d' s Check Ref er ence f eat ur e t o updat e t he i ssue dat es.

Ref er ences not used i n t he t ext wi l l aut omat i cal l y be del et ed f r om t hi s sect i on of t he pr oj ect speci f i cat i on when you choose t o r econci l e r ef er ences i n t he publ i sh pr i nt pr ocess.

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o i n t he t ext by t he basi c desi gnat i on onl y.

ASTM I NTERNATI ONAL ( ASTM)

ASTM 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

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

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

I EEE C2 ( 2017; Er r at a 1- 2 2017; I NT 1 2017) 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 EEE C57. 12. 29 ( 2014) St andar d f or Pad- Mount ed Equi pment

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

NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)

NEMA 250 ( 2014) Encl osur es f or El ect r i cal Equi pment ( 1000 Vol t s Maxi mum)

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

NFPA 70 ( 2017; ERTA 1- 2 2017; TI A 17- 1; TI A 17- 2;

TI A 17- 3; TI A 17- 4; TI A 17- 5; TI A 17- 6;

TI A 17- 7; TI A 17- 8; TI A 17- 9; TI A 17- 10;

TI A 17- 11; TI A 17- 12; TI A 17- 13; TI A

17- 14) Nat i onal El ect r i cal Code

1. 2 RELATED REQUI REMENTS

NOTE: To appl y t hi s gui de speci f i cat i on t o ot her di v i s i ons of t he pr oj ect speci f i cat i on, i nser t t he appr opr i at e di v i s i on number and t i t l e. Ensur e t hat t he appr opr i at e sect i ons havi ng el ect r i cal equi pment

SECTI ON 26 00 00. 00 20 Page 3 i nc l ude t he f ol l owi ng par agr aph:

" 1. X RELATED REQUI REMENTS: Sect i on 26 00 00. 00 20 BASI C ELECTRI CAL MATERI ALS AND METHODS, 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. "

Del et e sect i ons i n t he par agr aph t hat ar e not i n t he j ob. The r equi r ement s of t hi s speci f i cat i on sect i on ar e bei ng i ncor por at ed i nt o t he ot her speci f i cat i on sect i ons t hat r ef er ence i t wi t h t he i nt ent of phasi ng out t hi s sect i on. As t he r equi r ement s of t hi s sect i on ar e i ncor por at ed i nt o each speci f i cat i on sect i on, t hat sect i on shoul d be added t o t he l i s t i n t he par agr aph bel ow. Do not use t hi s sect i on, and del et e r ef er ence t o i t , i f t he onl y sect i ons used i n t he j ob ar e l i s t ed bel ow.

Thi s sect i on appl i es t o cer t ai n sect i ons of [ Di v i s i on 02, EXI STI NG CONDI TI ONS] [ Di v i s i on 11, EQUI PMENT, ] [ Di v i s i on 13, SPECI AL CONSTRUCTI ON, ] [ and] [ Di v i s i on 14, CONVEYI NG EQUI PMENT] [ and] [ Di v i s i ons 22 and 23, PLUMBI NG and HEATI NG VENTI LATI NG AND AI R CONDI TI ONI NG] . Thi s sect i on appl i es t o al l sect i ons of Di v i s i on 26 and 33, ELECTRI CAL and UTI LI TI ES, of t hi s pr oj ect speci f i cat i on unl ess speci f i ed ot her wi se i n t he i ndi v i dual sect i ons. Thi s sect i on has been i ncor por at ed i nt o, and t hus, does not appl y t o, and i s not r ef er enced i n t he f ol l owi ng sect i ons.

Sect i on 26 12 19. 10 THREE- PHASE PAD MOUNTED TRANSFORMERS Sect i on 26 12 21 SI NGLE- PHASE PAD- MOUNTED TRANSFORMERS Sect i on 26 11 16 SECONDARY UNI T SUBSTATI ONS Sect i on 26 20 00 I NTERI OR DI STRI BUTI ON SYSTEM Sect i on 26 23 00 LOW VOLTAGE SWI TCHGEAR Sect i on 26 24 13 SWI TCHBOARDS Sect i on 26 51 00 I NTERI OR LI GHTI NG Sect i on 26 56 00 EXTERI OR LI GHTI NG Sect i on 27 10 00 BUI LDI NG TELECOMMUNI CATI ONS CABLI NG SYSTEM Sect i on 33 71 02 UNDERGROUND ELECTRI CAL DI STRI BUTI ON Sect i on 33 82 00 TELECOMMUNI CATI ONS OUTSI DE PLANT ( OSP)

1. 3 DEFINITIONS

a. 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, shal l be as def i ned i n I EEE 100.

b. The t echni cal sect i ons r ef er r ed t o her ei n ar e t hose speci f i cat i on sect i ons t hat descr i be pr oduct s, i nst al l at i on pr ocedur es, and equi pment oper at i ons and t hat r ef er t o t hi s sect i on f or det ai l ed descr i pt i on of submi t t al t ypes.

c. The t echni cal par agr aphs r ef er r ed t o her ei n ar e t hose par agr aphs i n PART 2 - PRODUCTS and PART 3 - EXECUTI ON of t he t echni cal sect i ons t hat descr i be pr oduct s, syst ems, i nst al l at i on pr ocedur es, equi pment , and t est met hods.

1. 4 ELECTRI CAL CHARACTERI STI CS

SECTI ON 26 00 00. 00 20 Page 4

NOTE: Del et e t hi s par agr aph f or NAVFAC SE pr oj ect s. Use I EEE C57. 12. 00 desi gnat i ons, such as 4160 V and 480Y/ 277 V, when r ef er r i ng t o t he pr i mar y and secondar y vol t ages, r espect i vel y, i n t he f ol l owi ng par agr aph.

El ect r i cal char act er i st i cs f or t hi s pr oj ect shal l be [ _____] kV pr i mar y, [ s i ngl e] [ t hr ee] phase, [ t wo] [ t hr ee] [ f our ] wi r e, [ 60] [ 50] [ _____] Hz, and [ _____] vol t s secondar y, [ s i ngl e] [ t hr ee] phase, [ t hr ee] [ f our ] wi r e.

Fi nal connect i ons t o t he power di st r i but i on syst em at t he exi st i ng [ subst at i on] [ manhol e] [ _____] shal l be made by t he [ Cont r act or as di r ect ed by t he Cont r act i ng Of f i cer ] [ Gover nment ] .

1. 5 ADDI TI ONAL SUBMI TTALS I NFORMATI ON

Submi t t al s r equi r ed i n ot her sect i ons t hat r ef er t o t hi s sect i on must conf or m t o t he f ol l owi ng addi t i onal r equi r ement s as appl i cabl e.

1. 5. 1 Shop Dr awi ngs ( SD- 02)

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. Wi r i ng di agr ams shal l i dent i f y c i r cui t t er mi nal s 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 . Dr awi ngs shal l i ndi cat e 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.

1. 5. 2 Pr oduct Dat a ( SD- 03)

Submi t t al shal l i ncl ude per f or mance and char act er i st i c cur ves.

1. 6 QUALI TY ASSURANCE

1. 6. 1 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 " 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 . Equi pment , mat er i al s, i nst al l at i on, and wor kmanshi p shal l be 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. 2 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. Pr oduct s shal l 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. The 2- year per i od shal l i nc l ude 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. The pr oduct shal l 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. 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, t hese i t ems shal l be 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

SECTI ON 26 00 00. 00 20 Page 5 pr oduct s of t he same manuf act ur er unl ess st at ed i n t he t echni cal sect i on.

1. 6. 2. 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 furnished.

1. 6. 2. 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 3 year s pr i or t o dat e of del i ver y t o s i t e shal l not be used, unl ess speci f i ed ot her wi se.

1. 7 WARRANTY

The equi pment i t ems shal l be suppor t ed by ser vi ce or gani zat i ons whi ch ar e 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 .

1. 8 POSTED OPERATI NG I NSTRUCTI ONS

Pr ovi de f or each syst em and pr i nc i pal i t em of equi pment as speci f i ed i n t he t echni cal sect i ons f or use by oper at i on and mai nt enance per sonnel . The oper at i ng i nst r uct i ons shal l i ncl ude t he f ol l owi ng:

a. Wi r i ng di agr ams, cont r ol di agr ams, and cont r ol sequence f or each pr i nci pal syst em and i t em of equi pment .

b. St ar t up, pr oper adj ust ment , oper at i ng, l ubr i cat i on, and shut down procedures.

c. Saf et y pr ecaut i ons.

d. The pr ocedur e i n t he event of equi pment f ai l ur e.

e. Ot her i t ems of i nst r uct i on as r ecommended by t he manuf act ur er of each syst em or i t em of equi pment .

Pr i nt or engr ave oper at i ng i nst r uct i ons and f r ame under gl ass or i n appr oved l ami nat ed pl ast i c. Post i nst r uct i ons wher e di r ect ed. For oper at i ng i nst r uct i ons exposed t o t he weat her , pr ovi de weat her - r esi st ant mat er i al s or weat her pr oof encl osur es. Oper at i ng i nst r uct i ons shal l not f ade when exposed t o sunl i ght and shal l be secur ed t o pr event easy r emoval or peel i ng.

1. 9 MANUFACTURER' S NAMEPLATE

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

1. 10 FI ELD FABRI CATED NAMEPLATES

NOTE: Use t he f ol l owi ng par agr aph wher e namepl at es ar e f abr i cat ed t o i dent i f y speci f i c equi pment

SECTI ON 26 00 00. 00 20 Page 6 desi gnat ed on t he dr awi ngs.

ASTM D709. Pr ovi de l ami nat ed pl ast i c namepl at es f or each equi pment encl osur e, r el ay, swi t ch, and devi ce; as speci f i ed i n t he t echni cal sect i ons or as i ndi cat ed on t he dr awi ngs. Each namepl at e i nscr i pt i on shal l i dent i f y t he f unct i on and, when appl i cabl e, t he posi t i on. Namepl at es shal l be mel ami ne pl ast i c, 3 mm 0. 125 i nch t hi ck, whi t e wi t h [ bl ack] [ _____] cent er cor e. Sur f ace shal l be mat t e f i ni sh. Cor ner s shal l be squar e.

Accur at el y al i gn l et t er i ng and engr ave i nt o t he cor e. Mi ni mum si ze of namepl at es shal l be 25 by 65 mm one by 2. 5 i nches. Let t er i ng shal l be a mi ni mum of 6. 35 mm 0. 25 i nch hi gh nor mal bl ock st y l e.

1. 11 WARNI NG SI GNS

Pr ovi de war ni ng s i gns f or t he encl osur es of el ect r i cal equi pment i ncl udi ng subst at i ons, pad- mount ed t r ansf or mer s, pad- mount ed swi t ches, gener at or s, and swi t chgear havi ng a nomi nal r at i ng exceedi ng 600 vol t s.

a. When t he encl osur e i nt egr i t y of such equi pment i s speci f i ed t o be i n accor dance wi t h I EEE C57. 12. 28 or I EEE C57. 12. 29, such as f or pad- mount ed t r ansf or mer s[ and pad- mount ed SF6 swi t ches] , pr ovi de sel f - adhesi ve war ni ng s i gns on t he out s i de of t he hi gh vol t age compar t ment door ( s) . Si gn shal l be a decal and shal l have nomi nal di mensi ons of 178 by 255 mm 7 by 10 i nches wi t h t he l egend " DANGER HI GH VOLTAGE" pr i nt ed i n t wo l i nes of nomi nal 50 mm 2 i nch hi gh l et t er s.

The wor d " DANGER" shal l be i n whi t e l et t er s on a r ed backgr ound and t he wor ds " HI GH VOLTAGE" shal l be i n bl ack l et t er s on a whi t e backgr ound.

Decal shal l be Pandui t No. PPSO710D72 or appr oved equal .

[ b. When such equi pment i s guar ded by a f ence, mount s i gns on t he f ence.

Pr ovi de met al s i gns havi ng nomi nal di mensi ons of 355 by 255 mm 14 by 10 i nches wi t h t he l egend " DANGER HI GH VOLTAGE KEEP OUT" pr i nt ed i n t hr ee l i nes of nomi nal 75 mm 3 i nch hi gh whi t e l et t er s on a r ed and bl ack field.

] 1. 12 ELECTRI CAL REQUI REMENTS

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

1. 13 I NSTRUCTI ON TO GOVERNMENT PERSONNEL

Wher e speci f i ed i n t he t echni cal sect i ons, f ur ni sh t he ser vi ces of compet ent i nst r uct or s t o gi ve f ul l i nst r uct i on t o desi gnat ed Gover nment per sonnel i n t he adj ust ment , oper at i on, and mai nt enance of t he speci f i ed syst ems and equi pment , i ncl udi ng per t i nent saf et y r equi r ement s as r equi r ed.

I nst r uct or s shal l be t hor oughl y f ami l i ar wi t h al l par t s of t he i nst al l at i on and shal l be t r ai ned i n oper at i ng t heor y as wel l as pr act i cal oper at i on and mai nt enance wor k. I nst r uct i on shal l be gi ven dur i ng t he f i r st r egul ar wor k week af t er t he equi pment or syst em has been accept ed and t ur ned over t o t he Gover nment f or r egul ar oper at i on. The number of man- days ( 8 hour s per day) of i nst r uct i on f ur ni shed shal l be as speci f i ed i n t he i ndi v i dual sect i on.

[ When mor e t han 4 man- days of i nst r uct i on ar e speci f i ed, use appr oxi mat el y hal f of t he t i me f or c l assr oom i nst r uct i on. Use ot her t i me f or i nst r uct i on wi t h equi pment or syst em. When s i gni f i cant changes or modi f i cat i ons i n t he equi pment or syst em ar e made under t he t er ms of t he cont r act , pr ovi de addi t i onal i nst r uct i ons t o acquai nt t he oper at i ng per sonnel wi t h t he changes or modi f i cat i ons. ]

SECTI ON 26 00 00. 00 20 Page 7

PART 2 PRODUCTS

2. 1 FACTORY APPLI ED FI NI SH

NOTE: Thi s par agr aph cover s onl y t he basi c pai nt i ng r equi r ement s f or most el ect r i cal equi pment . I ncl ude i n t he sect i on speci f y i ng t he equi pment any speci al f i ni shes f or hi gh or l ow t emper at ur es and cor r osi ve at mospher es. Ret ai n t he br acket ed st at ement when swi t chgear and ot her equi pment havi ng speci f i c pai nt r equi r ement s ar e speci f i ed.

El ect r i cal equi pment shal l have f act or y- appl i ed pai nt i ng syst ems whi ch shal l , as a mi ni mum, meet t he r equi r ement s of NEMA 250 cor r osi on- r esi st ance t est [ and t he addi t i onal r equi r ement s speci f i ed i n t he t echni cal sect i ons] .

PART 3 EXECUTI ON

3. 1 FI ELD APPLI ED PAI NTI NG

NOTE: Use and coor di nat e pai nt and coat i ng r equi r ement s wi t h Sect i on 09 90 00 PAI NTS AND COATI NGS when pr ovi ded i n t he j ob. Use t he second br acket ed opt i on when Sect i on 09 90 00 i s not pr ovi ded or when r equi r ement s ar e beyond what i s speci f i ed i n Sect i on 09 90 00.

Pai nt el ect r i cal equi pment as r equi r ed t o mat ch f i ni sh of adj acent sur f aces or t o meet t he i ndi cat ed or speci f i ed saf et y cr i t er i a. Pai nt i ng shal l be as speci f i ed i n [ Sect i on 09 90 00 PAI NTS AND COATI NGS] [ t he sect i on speci f y i ng t he associ at ed el ect r i cal equi pment ] .

3. 2 FI ELD FABRI CATED NAMEPLATE MOUNTI NG

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

3. 3 WARNI NG SI GN MOUNTI NG

Pr ovi de t he number of s i gns r equi r ed t o be r eadabl e f r om each accessi bl e s i de, but space t he s i gns a maxi mum of 9 met er s 30 f eet apar t .

- - End of Sect i on - -

SECTI ON 26 00 00. 00 20 Page 8