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

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COMMON WORK RESULTS FOR ELECTRI CAL

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.

AMERI CAN SOCI ETY OF CI VI L ENGI NEERS ( ASCE)

ASCE 7 ( 2010; Er r at a 2011; Supp 1 2013) Mi ni mum Desi gn Loads f or Bui l di ngs and Ot her Structures

ASTM I NTERNATI ONAL ( ASTM)

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

ELECTRONI C I NDUSTRI ES ALLI ANCE ( EI A)

EI A 480 ( 1981) Toggl e Swi t ches

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

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

- Encl osur e I nt egr i t y

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

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

I EEE St ds Di ct i onar y ( 2009) I EEE St andar ds Di ct i onar y: Gl ossar y of Ter ms & Def i ni t i ons

I NTERNATI ONAL CODE COUNCI L ( I CC)

I CC/ ANSI A117. 1 ( 2009) Accessi bl e and Usabl e Bui l di ngs and Facilities

NATI ONAL AERONAUTI CS AND SPACE ADMI NI STRATI ON ( NASA)

RCBEA GUI DE ( 2004) NASA Rel i abi l i t y Cent er ed Bui l di ng and Equi pment Accept ance Gui de

NATI ONAL ELECTRI CAL MANUFACTURERS ASSOCI ATI ON ( NEMA)

ANSI Z535. 1 ( 2006; R 2011) Amer i can Nat i onal St andar d f or Saf et y- - Col or Code

ANSI / NEMA OS 1 ( 2013) Sheet - St eel Out l et Boxes, Devi ce Boxes, Cover s, and Box Suppor t s

ANSI / NEMA OS 2 ( 2013) Nonmet al l i c Out l et Boxes, Devi ce

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Boxes, Cover s, and Box Suppor t s

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

NEMA FB 1 ( 2014) St andar d f or Fi t t i ngs, Cast Met al Boxes, and Condui t Bodi es f or Condui t , El ect r i cal Met al l i c Tubi ng, and Cabl e

NEMA KS 1 ( 2013) Encl osed and Mi scel l aneous Di st r i but i on Equi pment Swi t ches ( 600 V Maximum)

NEMA PB 1 ( 2011) Panel boar ds

NEMA RN 1 ( 2005; R 2013) Pol yvi nyl - Chl or i de ( PVC) Ext er nal l y Coat ed Gal vani zed Ri gi d St eel Condui t and I nt er medi at e Met al Condui t

NEMA TC 2 ( 2013) St andar d f or El ect r i cal Pol yvi nyl Chl or i de ( PVC) Condui t

NEMA TC 3 ( 2015) St andar d f or Pol yvi nyl Chl or i de ( PVC) Fi t t i ngs f or Use Wi t h Ri gi d PVC Condui t and Tubi ng

NEMA VE 1 ( 2009) St andar d f or Met al Cabl e Tr ay Systems

NEMA WD 1 ( 1999; R 2015) St andar d f or Gener al Col or Requi r ement s f or Wi r i ng Devi ces

NEMA WD 6 ( 2016) Wi r i ng Devi ces Di mensi ons Specifications

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

NFPA 70 ( 2014; AMD 1 2013; Er r at a 1 2013; AMD 2 2013; Er r at a 2 2013; AMD 3 2014; Er r at a 3- 4 2014; AMD 4- 6 2014) Nat i onal El ect r i cal Code

TELECOMMUNI CATI ONS I NDUSTRY ASSOCI ATI ON ( TI A)

TIA-222 ( 2009g; Add 1 2007; Add 2 2009; R 2012; R 2013; R 2014) St r uct ur al St andar ds f or Ant enna Suppor t i ng St r uct ur es and Ant ennas

UNDERWRI TERS LABORATORI ES ( UL)

UL 1 ( 2005; Repr i nt Jul 2012) St andar d f or Fl exi bl e Met al Condui t

UL 1242 ( 2006; Repr i nt Mar 2014) St andar d f or El ect r i cal I nt er medi at e Met al Condui t - - Steel

UL 489 ( 2013; Repr i nt Mar 2014) Mol ded- Case Ci r cui t Br eaker s, Mol ded- Case Swi t ches, Apr i l 2019 Page 2 SECTI ON 26 05 00. 00 40 and Ci r cui t - Br eaker Encl osur es

UL 506 ( 2008; Repr i nt Oct 2013) Speci al t y Transformers

UL 6 ( 2007; Repr i nt Nov 2014) El ect r i cal Ri gi d Met al Condui t - St eel

UL 797 ( 2007; Repr i nt Dec 2012) El ect r i cal Met al l i c Tubi ng - - St eel

UL 870 ( 2008; Repr i nt Feb 2013) St andar d f or Wi r eways, Auxi l i ar y Gut t er s, and Associ at ed Fi t t i ngs

1. 2 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, ar e as def i ned i n I EEE St ds Di ct i onar y.

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. Ver t i cal assembl y: A ver t i cal assembl y i s a pol e, t ower or ot her such suppor t , mount i ng har dwar e, ar ms, br acket s and t he l oad. Load can be a l umi nai r e, s i r en, l oudspeaker or ot her devi ce. Al l component s of a ver t i cal assembl y wi l l be r at ed by t he manuf act ur er t o wi t hst and 100 mph wi nd l oadi ng i n accor dance wi t h ASCE 7and TIA-222 .

1. 3 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- 01 Pr econst r uct i on Submi t t al s

Mat er i al , Equi pment , and Fi xt ur e Li st s

SD- 03 Pr oduct Dat a

Condui t s and Raceways;

Wi r e and Cabl e;

Spl i ces and Connect or s;

Switches;

Receptacles;

Out l et Boxes, Pul l Boxes and Junct i on Boxes;

Ci r cui t Br eaker s;

Panelboards;

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Lamps and Li ght i ng Fi xt ur es;

Dr y- Type Di st r i but i on Tr ansf or mer s;

SD- 06 Test Repor t s

Cont i nui t y Test ;

Phase- Rot at i on Test s;

I nsul at i on Resi st ance Test ;

SD- 08 Manuf act ur er ' s I nst r uct i ons

Manuf act ur er ' s I nst r uct i ons

1. 4 QUALI TY CONTROL

1. 4. 1 Pr edi ct i ve Test i ng and I nspect i on Technol ogy Requi r ement s

Thi s sect i on cont ai ns syst ems and equi pment component s r egul at ed by NASA' s Rel i abi l i t y Cent er ed Bui l di ng and Equi pment Accept ance Pr ogr am. Thi s pr ogr am r equi r es t he use of Pr edi ct i ve Test i ng and I nspect i on ( PT&I ) t echnol ogi es i n conf or mance wi t h RCBEA GUI DE t o ensur e bui l di ng equi pment and syst ems i nst al l ed have been i nst al l ed pr oper l y and cont ai n no i dent i f i abl e def ect s t hat shor t en t he desi gn l i f e of a syst em and i t s component s. Sat i sf act or y compl et i on of al l accept ance r equi r ement s i s r equi r ed t o obt ai n Gover nment appr oval and accept ance of t he wor k.

Per f or m PT&I t est s and pr ovi de submi t t al s as speci f i ed i n t he pr oj ect SOW.

PART 2 PRODUCTS

2. 1 EQUIPMENT

Pr ovi de t he st andar d cat al oged mat er i al s and equi pment of manuf act ur er s r egul ar l y engaged i n t he manuf act ur e of t he pr oduct s. For mat er i al , equi pment , and f i xt ur e l i s t s submi t t al s, show manuf act ur er ' s st y l e or cat al og number s, speci f i cat i on and dr awi ng r ef er ence number s, war r ant y i nf or mat i on, and f abr i cat i on s i t e.

2. 1. 1 Condui t s and Raceways

2. 1. 1. 1 Ri gi d St eel Condui t

Pr ovi de hot di pped gal vani zed r i gi d st eel condui t compl yi ng wi t h UL 6.

Except wher e i nst al l ed under gr ound, or i n cor r osi ve ar eas, pr ovi de pol yvi nyl chl or i de ( PVC) , or pai nt ed wi t h bi t umast i c coat ed r i gi d st eel condui t i n accor dance wi t h NEMA RN 1.

Use t hr eaded f i t t i ngs f or r i gi d st eel condui t .

Use sol i d gasket s. Ensur e condui t f i t t i ngs wi t h bl ank cover s have gasket s, except i n c l ean, dr y ar eas or at t he l owest poi nt of a condui t r un wher e dr ai nage i s r equi r ed.

Pr ovi de cover s wi t h capt i ve scr ews and ar e accessi bl e af t er t he wor k has been compl et ed.

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2. 1. 1. 2 El ect r i cal Met al l i c Tubi ng ( EMT)

Ensur e EMT i s i n accor dance wi t h UL 797 and i s z i nc coat ed st eel . Pr ovi de zi nc- coat ed coupl i ngs and connect or s t hat ar e r ai nt i ght , gl and compr essi on t ype wi t h i nsul at i on t hr oat . Cr i mp, spr i ng, or set scr ew t ype f i t t i ngs ar e not accept abl e.

2. 1. 1. 3 Fl exi bl e Met al l i c Condui t

Ensur e f l exi bl e met al l i c condui t i s gal vani zed st eel and compl i es wi t h UL 1.

Ensur e f i t t i ngs f or f l exi bl e met al l i c condui t ar e speci f i cal l y desi gned f or such condui t .

Pr ovi de l i qui dt i ght f l exi bl e met al l i c condui t wi t h a pr ot ect i ve j acket of PVC ext r uded over a f l exi bl e i nt er l ocked gal vani zed st eel cor e t o pr ot ect wi r i ng agai nst moi st ur e, oi l , chemi cal s, and cor r osi ve f umes.

Ensur e f i t t i ngs f or l i qui dt i ght f l exi bl e met al l i c condui t ar e speci f i cal l y desi gned f or such condui t .

2. 1. 1. 4 I nt er medi at e Met al Condui t

Ensur e i nt er medi at e met al condui t i s gal vani zed st eel and compl i es wi t h

UL 1242.

2. 1. 1. 5 Ri gi d Nonmet al l i c Condui t

Ensur e r i gi d nonmet al l i c condui t compl i es wi t h NEMA TC 2 and NEMA TC 3 wi t h a wal l t hi ckness not l ess t han Schedul e 40.

2. 1. 1. 6 Wi r eways and Auxi l i ar y Gut t er s

Ensur e wi r eways and auxi l i ar y gut t er s ar e a mi ni mum 4 by 4- i nch t r ade si ze conf or mi ng t o UL 870.

2. 1. 1. 7 Sur f ace Raceways and Assembl i es

Ensur e sur f ace met al r aceways and mul t i - out l et assembl i es conf or m t o NFPA 70, and have r ecept acl es conf or mi ng t o NEMA WD 1, Type 5- 20R.

2. 1. 2 Cabl e Tr ays

Pr ovi de l adder t ype cabl e t r ays conf or mi ng t o NEMA VE 1.

2. 1. 3 Wi r e and Cabl e

Use copper 600- vol t t ype THHN, THWN, or XHHW, as speci f i ed f or conduct or s i nst al l ed i n condui t . Ensur e al l conduct or s i zes ar e st r anded. .

Ensur e f l exi bl e cabl e i s Type SO and cont ai ns a gr oundi ng conduct or wi t h gr een i nsul at i on.

Ensur e conduct or s i nst al l ed i n pl enums ar e mar ked pl enum r at ed.

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2. 1. 4 Switches

2. 1. 4. 1 Saf et y Swi t ches

Ensur e saf et y swi t ches compl y wi t h NEMA KS 1, and ar e t he heavy- dut y t ype wi t h encl osur e, vol t age, cur r ent r at i ng, number of pol es, and f usi ng as i ndi cat ed on t he dr awi ngs. Ensur e swi t ch const r uct i on i s such t hat , when t he swi t ch handl e i n t he " ON" posi t i on, t he cover or door cannot be opened. Cover r el ease devi ce i s coi npr oof and so const r uct ed t hat an ext er nal t ool i s used t o open t he cover . Make pr ovi s i ons t o l ock t he handl e i n t he " OFF" posi t i on. Ensur e t he swi t ch i s not capabl e of bei ng l ocked i n t he " ON" posi t i on.

Pr ovi de swi t ches of t he qui ck- make, qui ck- br eak t ype and t er mi nal l ugs f or use wi t h copper conduct or s.

Ensur e saf et y col or codi ng f or i dent i f i cat i on of saf et y swi t ches conf or ms to ANSI Z535. 1.

2. 1. 4. 2 Toggl e Swi t ches

Ensur e t oggl e swi t ches compl y wi t h EI A 480, cont r ol i ncandescent , mer cur y, and f l uor escent l i ght i ng f i x t ur es and ar e t he heavy dut y, gener al pur pose, noni nt er changeabl e f l ush- t ype.

Pr ovi de commer ci al gr ade t oggl e swi t ches, s i ngl e, doubl e- pol e, t hr ee and f our - way t wo- posi t i on devi ces r at ed 20 amper es at 277 vol t s, 60 her t z al t er nat i ng cur r ent ( ac) onl y, as speci f i ed.

Ensur e al l t oggl e swi t ches ar e pr oduct s of t he same manuf act ur er .

2. 1. 5 Receptacles

Pr ovi de commer ci al gr ade, NEMA 5- 20R r ecept acl es, 20A, 125 VAC, 2- pol e, 3- wi r e dupl ex conf or mi ng t o NEMA WD 6.

2. 1. 6 Out l et Boxes, Pul l Boxes and Junct i on Boxes

Ensur e out l et boxes f or use wi t h condui t syst ems ar e i n accor dance wi t h NEMA FB 1 and ANSI / NEMA OS 1 or ANSI / NEMA OS 2, as speci f i ed and ar e not l ess t han 1- 1/ 2 i nches deep. Fur ni sh al l pul l and j unct i on boxes wi t h scr ew- f ast ened cover s.

2. 1. 7 Panelboards

Pr ovi de ci r cui t br eaker t ype l i ght i ng and appl i ance br anch ci r cui t panel boar ds i n accor dance wi t h NEMA PB 1. Bol t c i r cui t br eaker s t o t he bus. Pl ug- i n c i r cui t br eaker s ar e not accept abl e. Pr ovi de copper buses of t he r at i ng i ndi cat ed on t he dr awi ngs, wi t h mai n l ugs or mai n c i r cui t br eaker . Pr ovi de al l panel boar ds f or use on gr ounded ac syst ems wi t h a f ul l - capaci t y i sol at ed neut r al bus and a separ at e gr oundi ng bus bonded t o t he panel boar d encl osur e. Ensur e panel boar d encl osur es ar e NEMA 250, Type 1, i n accor dance wi t h NEMA PB 1. Pr ovi de encl osur e f r ont s wi t h l at chabl e hi nged door s.

2. 1. 8 Ci r cui t Br eaker s

Ensur e c i r cui t br eaker i nt er r upt i ng r at i ng i s not l ess t han t hose i ndi cat ed and i n no event l ess t han 10, 000 amper es r oot - mean- squar e ( r ms)

Apr i l 2019 Page 6 SECTI ON 26 05 00. 00 40 symmet r i cal at 208 vol t s, r espect i vel y. Pr ovi de mul t i pol e c i r cui t br eaker s of t he common- t r i p t ype wi t h a s i ngl e handl e. Mol ded case ci r cui t br eaker s ar e bol t - on t ype conf or mi ng t o UL 489.

2. 1. 9 Lamps and Li ght i ng Fi xt ur es

Manuf act ur er s and cat al og number s shown on t he dr awi ngs ar e i ndi cat i ve of t he gener al t ype desi r ed and ar e not i nt ended t o r est r i ct t he sel ect i on t o f i x t ur es of any par t i cul ar manuf act ur er . Fi xt ur es wi t h t he same sal i ent f eat ur es and equi val ent l i ght di st r i but i on and br i ght ness char act er i st i cs, of equal f i ni sh and qual i t y, ar e accept abl e. Pr ovi de l amps of t he pr oper t ype and wat t age f or each f i xt ur e.

Ensur e bal l ast s have a hi gh power f act or and ar e ener gy ef f i c i ent .

Pr ovi de bal l ast s wi t h a Cl ass P t er mi nal pr ot ect i ve devi ce f or 120 or 277

- vol t oper at i on, as i ndi cat ed, and ar e r api d- st ar t f l uor escent . Use bal l ast s t hat ar e " A" sound r at ed. Pr ovi de st andar d r educed wat t age t ype f l uor escent l amps.

Pr ovi de hi gh i nt ensi t y di schar ge ( HI D) l i ght i ng f i x t ur es t hat have pr ewi r ed i nt egr al bal l ast s and cast al umi num housi ngs compl et e wi t h t emper ed gl ass l enses sui t abl e f or i nst al l at i on i n damp or wet l ocat i ons.

Pr ovi de f i xt ur es and l amps.

2. 1. 10 Manuf act ur er ' s Namepl at e

Ensur e each i t em of equi pment has 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 i s not acceptable.

2. 1. 11 War ni ng Si gns

Pr ovi de war ni ng si 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. Encl osur e i nt egr i t y t o conf or m wi t h I EEE C57. 12. 28 and I EEE C57. 12. 29, such as f or pad- mount ed t r ansf or mer s. Pr ovi de sel f - adhesi ve war ni ng si gns on t he out si de of t he hi gh vol t age compar t ment door ( s) . Pr ovi de decal s i gns wi t h nomi nal di mensi ons of 7 by 10 i nches. Pr i nt t he l egend " DANGER HI GH VOLTAGE" i n t wo l i nes of nomi nal 2 i nch hi gh l et t er s. Show t he wor d " DANGER" i n whi t e l et t er s on a r ed backgr ound and t he wor ds " HI GH VOLTAGE" i n bl ack l et t er s on a whi t e backgr ound.

Use Pandui t decal 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 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 3- i nch hi gh whi t e l et t er s on a r ed and bl ack f i el d.

2. 1. 12 Dr y- Type Di st r i but i on Tr ansf or mer s

Ensur e t hat gener al pur pose dr y- t ype t r ansf or mer s wi t h wi ndi ngs 600 vol t s or l ess ar e t wo- wi ndi ng, 60 her t z, and sel f - cool ed i n accor dance wi t h UL 506. Ensur e wi ndi ngs have a mi ni mum of t wo 2- 1/ 2- per cent t aps above and bel ow nomi nal vol t age.

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PART 3 EXECUTI ON

3. 1 PREPARATION

Submi t manuf act ur er ' s i nst r uct i ons i ncl udi ng speci al pr ovi s i ons r equi r ed t o i nst al l equi pment component s and syst em packages. Speci al pr ovi s i ons i ncl ude i mpedances, hazar ds and saf et y pr ecaut i ons.

Cl ean and pai nt condui t , suppor t s, f i t t i ngs, cabi net s, pul l boxes, and r acks as speci f i ed i n Sect i on 09 90 00 PAI NTS AND COATI NGS.

Do not use al umi num when i n cont act wi t h ear t h or concr et e and, wher e connect ed t o di ssi mi l ar met al , pr ot ect by usi ng appr oved f i t t i ngs and t r eat ment . Except wher e ot her equi val ent pr ot ect i ve t r eat ment i s speci f i cal l y appr oved i n wr i t i ng, pr ovi de hot - di p gal vani zed f er r ous met al s f or i t ems such as, anchor s, bol t s, br aces, boxes, bodi es, c l amps, f i t t i ngs, guar ds, nut s, pi ns, r ods, shi ms, t hi mbl es, washer s, and mi scel l aneous i t ems not made of cor r osi on- r esi st ant st eel .

3. 2 INSTALLATION

3. 2. 1 Condui t s, Raceways and Fi t t i ngs

Ensur e t hat condui t r uns bet ween out l et and out l et , bet ween f i t t i ng and f i t t i ng, or bet ween out l et and f i t t i ng does not cont ai n mor e t han t he equi val ent of t hr ee 90- degr ee bends, i ncl udi ng t hose bends l ocat ed i mmedi at el y at t he out l et or f i t t i ng.

Do not i nst al l cr ushed or def or med condui t . Avoi d t r apped condui t r uns wher e possi bl e. Take car e t o pr event t he l odgment of f or ei gn mat er i al i n t he condui t , boxes, f i t t i ngs, and equi pment dur i ng t he cour se of const r uct i on. Cl ear any cl ogged condui t of obst r uct i ons or r epl ace conduit.

Condui t and r aceway r uns conceal ed i n or behi nd wal l s, above cei l i ngs, or exposed on wal l s and cei l i ngs 5 f eet or mor e above f i ni shed f l oor s and not subj ect t o mechani cal damage may be el ect r i cal met al l i c t ubi ng ( EMT) .

3. 2. 1. 1 Ri gi d St eel Condui t

Make f i el d- made bends and of f set s wi t h appr oved Hi ckey bendi ng t ool or condui t bendi ng machi ne. Use l ong r adi us condui t f or el bows l ar ger t han 2- 1/ 2 i nches.

Pr ovi de a f l ush coupl i ng f or al l condui t st ubbed- up t hr ough concr et e f l oor s f or connect i ons t o f r ee- st andi ng equi pment wi t h t he except i on of mot or - cont r ol cent er s, cubi c l es, and ot her such i t ems of equi pment , when t he f l oor s l ab i s of suf f i c i ent t hi ckness. Ot her wi se, pr ovi de a f l oor box set f l ush wi t h t he f i ni shed f l oor . For condui t s i nst al l ed f or f ut ur e use, t er mi nat e wi t h a coupl i ng and pl ug; set f l ush wi t h t he f l oor .

3. 2. 1. 2 El ect r i cal Met al l i c Tubi ng ( EMT)

Gr ound EMT i n accor dance wi t h NFPA 70, usi ng pr essur e gr oundi ng connect or s especi al l y desi gned f or EMT.

3. 2. 1. 3 Fl exi bl e Met al l i c Condui t

Use f l exi bl e met al l i c condui t t o connect r ecessed f i xt ur es f r om out l et

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Use bondi ng wi r es i n f l exi bl e condui t as speci f i ed i n NFPA 70, f or al l c i r cui t s. Fl exi bl e condui t i s not consi der ed a gr ound conduct or .

Make el ect r i cal connect i ons t o v i br at i on- i sol at ed equi pment wi t h f l exi bl e met al l i c condui t .

Use l i qui dt i ght f l exi bl e met al l i c condui t i n wet and oi l y l ocat i ons and t o compl et e t he connect i on t o mot or - dr i ven equi pment .

3. 2. 1. 4 I nt er medi at e Condui t

Make al l f i el d- made bends and of f set s wi t h appr oved Hi ckey bendi ng t ool or condui t bendi ng machi ne. Use i nt er medi at e met al condui t onl y f or i ndoor installations.

3. 2. 1. 5 Ri gi d Nonmet al l i c Condui t

Ensur e r i gi d PVC condui t i s di r ect bur i ed.

I nst al l a gr een i nsul at ed copper gr oundi ng conduct or i n condui t wi t h conduct or s and sol i dl y connect t o gr ound at each end. Si ze gr oundi ng wi r es i n accor dance wi t h NFPA 70.

3. 2. 1. 6 Wi r eway and Auxi l i ar y Gut t er

Bol t t oget her st r ai ght sect i ons and f i t t i ngs t o pr ovi de a r i gi d, mechani cal connect i on and el ect r i cal cont i nui t y. Cl ose dead ends of wi r eways and auxi l i ar y gut t er s. Pl ug al l unused condui t openi ngs.

Suppor t wi r eways f or over head di st r i but i on and cont r ol c i r cui t s at maxi mum 5- f oot i nt er val s.

Ensur e auxi l i ar y gut t er s used t o suppl ement wi r i ng spaces f or equi pment not cont ai ned i n a s i ngl e encl osur e cont ai ns no swi t ches, over cur r ent devi ces, appl i ances, or appar at us and i s not mor e t han 30 f eet l ong.

3. 2. 1. 7 Sur f ace Raceways and Assembl i es

Mount sur f ace r aceways pl umb and l evel , wi t h t he base and cover secur ed.

Mi ni mum ci r cui t r un i s t hr ee- wi r e, wi t h one wi r e desi gnat ed as gr ound.

3. 2. 1. 8 Cabl e Tr ays

Suppor t cabl e t r ays f r om cei l i ng hanger s, equi pment bays, or f l oor or wal l suppor t s. Cabl e t r ays may be mount ed on equi pment r acks. Pr ovi de suppor t when t he f r ee end ext ends beyond 3 f eet . Maxi mum suppor t spaci ng i s 6 f eet .

Suppor t t r ays 10- i nches wi de or l ess by one hanger . Suppor t t r ays gr eat er t han 10 i nches wi de by t wo hanger s. Bond cabl e t r ays at spl i ces.

3. 2. 1. 9 Spl i ces and Connect or s

Make al l spl i ces i n AWG No. 8 and smal l er wi t h appr oved i ndent or cr i mp- t ype connect or s and compr essi on t ool s.

Make al l spl i ces i n AWG No. 6 and l ar ger wi t h i ndent or cr i mp- t ype connect or s and compr essi on t ool s. Wr ap j oi nt s wi t h an i nsul at i ng t ape t hat has an i nsul at i on and t emper at ur e r at i ng equi val ent t o t hat of t he

Apr i l 2019 Page 9 SECTI ON 26 05 00. 00 40 conductor.

3. 2. 2 Wiring

Col or code f eeder and br anch ci r cui t conduct or s as f ol l ows:

CONDUCTOR COLOR AC

Phase A Bl ack 208v / Br own 480v

Phase B Red 208v / Or ange 480v

Phase C Bl ue 208v / Yel l ow 480v

Neutral White

Equi pment Gr ounds Green

Use conduct or s f or al l s i zes whi ch ar e pr ovi ded wi t h f act or y- appl i ed, col or - i mpr egnat ed i nsul at i ng mat er i al s.

Spl i ce i n accor dance wi t h t he NFPA 70. Pr ovi de conduct or i dent i f i cat i on wi t hi n each encl osur e wher e a t ap, spl i ce, or t er mi nat i on i s made and at t he equi pment t er mi nal of each conduct or . Mat ch t er mi nal and conduct or i dent i f i cat i on as i ndi cat ed.

Wher e sever al f eeder s pass t hr ough a common pul l box, t ag t he f eeder s t o c l ear l y i ndi cat e t he el ect r i cal char act er i st i cs, c i r cui t number , and panel designation.

3. 2. 3 Saf et y Swi t ches

Secur el y f ast en swi t ches t o t he suppor t i ng st r uct ur e or wal l , ut i l i z i ng a mi ni mum of f our 1/ 4 i nch bol t s. Do not use sheet met al scr ews and smal l machi ne scr ews f or mount i ng. Do not mount swi t ches i n an i naccessi bl e l ocat i on or wher e t he passageway t o t he swi t ch may become obst r uct ed.

Mount i ng hei ght 6 f eet above f l oor l evel , when possi bl e.

3. 2. 4 Wi r i ng Devi ces

3. 2. 4. 1 Wal l Swi t ches and Recept acl es

I nst al l wal l swi t ches and r ecept acl es so t hat when devi ce pl at es ar e appl i ed, t he pl at es ar e al i gned ver t i cal l y t o wi t hi n 1/ 16 i nch.

Bond gr ound t er mi nal of each f l ush- mount ed r ecept acl e t o t he out l et box wi t h an appr oved gr een bondi ng j umper when used wi t h dr y wal l t ype construction.

3. 2. 4. 2 Devi ce Pl at es

Ensur e devi ce pl at es f or swi t ches ar e sui t abl y engr aved wi t h a descr i pt i on of t he l oads when not wi t hi n s i ght of t he l oads cont r ol l ed.

Mar k devi ce pl at es and r ecept acl e cover pl at es f or r ecept acl es ot her t han 125- vol t , s i ngl e- phase, dupl ex, conveni ence out l et s. Show t he ci r cui t

Apr i l 2019 Page 10 SECTI ON 26 05 00. 00 40 number , vol t age, f r equency, phasi ng, and amper age avai l abl e at t he r ecept acl e. Use sel f - adhesi ve l abel s havi ng 1/ 4 i nch embossed l et t er s.

Si mi l ar l y mar k devi ce pl at es f or conveni ence out l et s i ndi cat i ng t he suppl y panel and ci r cui t number .

3. 2. 5 Boxes and Fi t t i ngs

Pr ovi de pul l boxes wher e necessar y i n t he condui t syst em t o f aci l i t at e conduct or i nst al l at i on. For condui t r uns l onger t han 100 f eet or wi t h mor e t han t hr ee r i ght - angl e bends, i nst al l a pul l box at a conveni ent i nt er medi at e l ocat i on.

Secur el y mount boxes and encl osur es t o t he bui l di ng st r uct ur e usi ng suppor t s t hat ar e i ndependent of t he condui t ent er i ng or l eavi ng t he boxes.

Sel ect t he mount i ng hei ght of wal l - mount ed out l et and swi t ch boxes, as measur ed bet ween t he bot t om of t he box and t he f i ni shed f l oor , i n accor dance wi t h I CC/ ANSI A117. 1 and as f ol l ows:

LOCATION MOUNTI NG HEI GHT

(inches)

Recept acl es i n of f i ces 18

Recept acl es i n cor r i dor s 18

Recept acl es i n shops and l abor at or i es 48

Recept acl es i n r est r ooms 48

Swi t ches f or l i ght cont r ol 48

3. 2. 6 Lamps and Li ght i ng Fi xt ur es

I nst al l new l amps of t he pr oper t ype and wat t age i n each f i xt ur e.

Secur el y f ast en f i xt ur es and suppor t s t o st r uct ur al member s and i nst al l par al l el and per pendi cul ar t o maj or axes of st r uct ur es.

3. 2. 7 Panelboards

Secur el y mount panel boar ds so t hat t he t op oper at i ng handl e does not exceed 72- i nches above t he f i ni shed f l oor . Do not mount equi pment wi t hi n 36- i nches of t he f r ont of t he panel . Ensur e di r ect or y car d i nf or mat i on i s compl et e and l egi bl e.

3. 2. 8 Dr y- Type Di st r i but i on Tr ansf or mer s

Connect dr y- t ype t r ansf or mer s wi t h f l exi bl e met al l i c condui t .

Mount al l dr y- t ype t r ansf or mer s on vi br at i on i sol at or s i n accor dance wi t h Sect i on 23 05 48. 00 40 VI BRATI ON AND SEI SMI C CONTROLS FOR HVAC PI PI NG AND

EQUIPMENT.

3. 2. 9 Fi el d Fabr i cat ed Namepl at es

Ensur e namepl at es conf or m t o 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

Apr i l 2019 Page 11 SECTI ON 26 05 00. 00 40 speci f i ed or as i ndi cat ed on t he dr awi ngs. Each namepl at e i nscr i pt i on i dent i f i es t he f unct i on and, when appl i cabl e, t he posi t i on. Pr ovi de namepl at es t hat ar e mel ami ne pl ast i c, 0. 125- i nch t hi ck, whi t e wi t h bl ack cent er cor e and a mat t e f i ni sh sur f ace wi t h squar e cor ner s. Accur at el y al i gn l et t er i ng and engr ave i nt o t he cor e. Mi ni mum si ze of namepl at es i s 1 by 2. 5 i nches. Let t er i ng i s a mi ni mum of 0. 25- i nch hi gh nor mal bl ock style.

3. 2. 10 I dent i f i cat i on Pl at es and War ni ngs

Pr ovi de i dent i f i cat i on pl at es f or l i ght i ng and power panel boar ds, mot or cont r ol cent er s, al l l i ne vol t age heat i ng and vent i l at i ng cont r ol panel s, f i r e det ect or and spr i nkl er al ar ms, door bel l s, pi l ot l i ght s, di sconnect swi t ches, manual st ar t i ng swi t ches, and magnet i c st ar t er s. At t ach i dent i f i cat i on pl at es t o pr ocess cont r ol devi ces and pi l ot l i ght s.

I nst al l i dent i f i cat i on pl at es f or al l l i ne vol t age encl osed ci r cui t br eaker s, i dent i f y i ng t he equi pment ser ved, vol t age, phase( s) and power sour ce. For c i r cui t s 480 vol t s and above, i nst al l conspi cuousl y l ocat ed war ni ng si gns i n accor dance wi t h OSHA r equi r ement s.

3. 2. 11 Post ed Oper at i ng I nst r uct i ons

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. Ensur e oper at i ng i nst r uct i ons do not f ade when exposed t o sunl i ght . Secur e i nst r uct i ons t o pr event easy r emoval or peel i ng.

Ensur e each syst em and pr i nci pal i t em of equi pment i s 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 .

I ncl ude t he f ol l owi ng i nf or mat i on wi t h t he oper at i ng i nst r uct i ons:

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 .

3. 3 FI ELD QUALI TY CONTROL

Af t er compl et i on of t he i nst al l at i on and spl i c i ng, and pr i or t o ener gi z i ng t he conduct or s, per f or m wi r e and cabl e cont i nui t y and i nsul at i on t est s as her ei n speci f i ed bef or e t he conduct or s ar e ener gi zed.

Pr ovi de al l necessar y t est equi pment , l abor , and per sonnel t o per f or m t he t est s, as her ei n speci f i ed.

I sol at e compl et el y al l wi r e and cabl e f r om al l ext r aneous el ect r i cal connect i ons at cabl e t er mi nat i ons and j oi nt s. Use subst at i on and swi t chboar d f eeder br eaker s, di sconnect s i n combi nat i on mot or st ar t er s, Apr i l 2019 Page 12 SECTI ON 26 05 00. 00 40 ci r cui t br eaker s i n panel boar ds, and ot her di sconnect i ng devi ces t o i sol at e t he c i r cui t s under t est .

Per f or m i nsul at i on- r esi st ance t est on each f i el d- i nst al l ed conduct or wi t h r espect t o gr ound and adj acent conduct or s. Appl i ed pot ent i al i s 500 vol t s dc f or 300 vol t r at ed cabl e and 1000 vol t s dc f or 600 vol t r at ed cabl e.

Take r eadi ngs af t er 1 mi nut e and unt i l t he r eadi ng i s const ant f or 15 seconds. Mi ni mum i nsul at i on- r esi st ance val ues i s not l ess t han 25 Megohms f or 300 vol t r at ed cabl e and 100 Megohms f or 600 vol t r at ed cabl e. For c i r cui t s wi t h conduct or s i zes AWG No. 8 and smal l er i nsul at i on r esi st ance t est i ng i s not r equi r ed.

Per f or m cont i nui t y t est t o i nsur e cor r ect cabl e connect i on end- t o- end ( i . e cor r ect phase conduct or , gr ounded conduct or , and gr oundi ng conduct or wi r i ng) . Repai r and ver i f y any damages t o exi st i ng or new el ect r i cal equi pment r esul t i ng f r om mi s- wi r i ng. Recei ve appr oval f or al l r epai r s f r om t he Cont r act i ng Of f i cer pr i or t o commencement of t he r epai r .

Conduct phase- r ot at i on t est s on al l t hr ee- phase ci r cui t s usi ng a phase- r ot at i on i ndi cat i ng i nst r ument . Per f or m phase r ot at i on of el ect r i cal connect i ons t o connect ed equi pment i n a c l ockwi se di r ect i on, f aci ng t he sour ce.

Submi t t est r epor t s i n accor dance wi t h r ef er enced st andar ds i n t hi s section.

Fi nal accept ance r equi r es t he successf ul per f or mance of wi r e and cabl e under t est . Do not ener gi ze any conduct or unt i l t he f i nal t est r epor t s ar e r evi ewed and appr oved by t he Cont r act i ng Of f i cer .

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