electrical audit

Date of Visit :

ELECTRICAL AUDIT REPORT INDIAN OIL BHAVAN (H.O.) MUMBAI

MUMBAI

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CONTENTS DESCRI PTI ON

PAGE GE NO. O.

1.List of major Electrical Equipments & Electrical System 2.Executive Summary ypical Eart! Electro"e 3.ypical

4.#$servation & %ecommen"ation i'

11 (V V)*

ii'

ransformer

iii'

D+ sets

iv'

,ain Di Distri$ ri$ution *o *oar"

v'

)apacitor Panel

vi'

Lig!ting System

vii vii''

Lig!t ig!tin ing g Po Pole & +lo +lo$ $e

vii viii' i'

-) Plan Plantt & -./

ix'

Pump .ouse

x'

S Plants

xi'

Lifts

xii'

Eart!ing

xii xiii' i'

Lig! Lig!tn tnin ing g Prot Protec ecti tion on

xiv'

)anteen -rea

xv' xv'

0ee" 0ee"er er Pil Pilla larr Pane Panel l ea earr ,ain ,ain +ate +ate''

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LIST OF MAJOR ELECTRICAL EQUIPMENTS & ELECTRICAL SYSTEM

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LIST OF MAJOR ELECTRICAL EQUIPMENTS & ELECTRICAL SYSTEM

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LIST OF MAJOR ELECTRICAL EQUIPMENTS EQUIPMENTS INSTALLED INSTALLED IN THE BUILDING A:

A. 1

SUBSTATION SUBSTATION EQUIPMENT EQUIPMEN T

11KV–VACCUM CI RCUI TBREAKE KER. Thebui l di ngr ecei v espowersuppl yf r om Rel i anceat11KV,t hr ough800 Amp.HT( 11KV)Br eakerofSi eme nsmake,whi c hunderRel i ancecont r ol . Thesuppl yf r om Br eakeri sf edt oBusBar swhi chconnect edt o2Nos.1000 KVA 11KV/433V Tr ansf or merofKi r l os kermake

A. 2

Theout goi ngf r om t heVCB ar econnect edt o2Nos.1000KVA11KV/433V Transf orme merdesi gnat edas: -

Tr ansf or mer 1 : -Fl oodLoad,Cant een,Dome mes t i cPumps,Li f tNo. 1& 2. I TCent r e,Ai rCondi t i oni ngUni t ,Capaci t orBank1.

Tr ansf or mer 2 : - Smal lWi ng,STP,LargeWi ng,Li f tNo. 4,5& 6,UPS r oom, m,Capaci t orBank2. A. 3 Tr ansf or me r 1& 2: - L. T.Si dei . e.433Vol t sar esuppl yi ngt oMai n Di st ri but i on Boar d. Tr ansf or me r 1i sconnect edt oMai nDi s t r i but i onBoar dt hr ough6nos. 3. 5X300sq. mm Al .PVC Cabl et oMDB & 1600Amp mp.ACB. Tr ansf or mer2i sconnec t edt hr ough6nos.of3. 5CX300sq. mm Al .PVC Cabl et oMDB & 1600Amp mpACB. B.

nDi st r i but i on Boar d A. 4 Mai i shavi ngt woi ncome mer sf r om t r ansf or mer1&2and onenumberi ncomerf r om 500KVADG se t . Page 3 of 55

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Ther ear eTwonos.ofBuscoupl er( 1600Amp.ACB)onei spr ovi dedf ort wo i ncome mer s& onef orDG se t .

Sec t i on1ofMDB i ss uppl yi ngpowe wert oLi f tNo. 4,5&6t hr ough100AmpTPN swi t ch,al sopr ovi di ngpowersuppl yt oLarge,Smal lWi ng& Capaci t orPanel 2t hr ough630AMP,swi t c h.1000Amp.ACB andal so t oUPS c hange rov er t hr ough400AmpTPN swi t c h. Sect i on2ofMDB i ssuppl yi ngpowert oLi f tNo. 1, 2& Fr ei ghtl i f tt hr ough100 nd AmpTPN swi t ch,al sopr ovi di ngpowersuppl yt o2 floorMi cr oAC & Ai r

Condi t i onuni tt hr ough1000AmpTPN swi t ch.Powersuppl yt oCant ee n, Dome mes t i cpump,I TCent r e2nd floor& wor kshop i sf ee dt hr ough250Amp swi t ch.Powe wersuppl yt oPant ryLi f t& Fl oodl i ghtt hr ough63AmpTPN

swi wi t ch.

Sec t i on3ofMDB i ss uppl yi ngpowert oFi r epumppanelt hr ough400Amp TPN swi t ch,al sopr ovi di ngpowersuppl yt oLi f tNo. 3,Bui l di ngLi ght ,Mai n Gat eLDB DB & Subs t at i onLi ghtt hr ough100AmpTPN s wi t c h.Ai rc ondi t i oni ng uni tt hr ough1000AmpTPN swi t c h.

B.

D. G.Set: -

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B. 1


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DG Set 1 Rat i ng : 500KVA Make

: ( Al t ernat or -St amf ord) ( Engi ne -Cummi ns) Suppl i espowert oWhol eoffi ffic ceBui l di ng Cabl eSi z e2r unof3. 5X300Sq. mm

B. 2 Generat orCont r olPanel : -

Suppl i espowerf r om DG ( 500KVA)connec t edt oDG Gener at orCont r olPanel i nst al l edi nt heDG Room. m.Br eaker s( ACB)ar ei nt er l ockedwi t h500KVADG se t& aBuscoupl erf orDG se tofACB 1600Ai nMa Mai nDi s t r i but i onBoar d.

C

Ai rCondi t i oni ngUni t s Capaci t y–800Ton/hr Ther ear et woNos.MCC i nt heA/C Pl ant .i . e.MCC1& MCC2f orMai n AC Uni t . MCC1r ece i ve spowerf r om MDB Sect i onI I ,suppl i espower& cont r olt o Chi l l erUni t1& 2andal sot oAHU Uni t si ndi ffer entfloor s. MCC2r ec ei ve spowerf r om MDB Sect i onI ,suppl i espower& cont r olt o Chi l l erUni t3& 4andal sot oAHU Uni t si ndi ffer entfloor s.

D.

Li ght ni ng& Powe werSuppl yt oSocket s

D1. Ther ear et woNos.Ri si ngmai n( BusDuct )oneonLar geWi ngsi deandt he Page 5 of 55

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ot heront heSmal lWi ngsi de.

Lar geWi ngri si ngmai nr ece i vespowerf r om Mai nDi st r i but i onFeederNo.B2 t hr ough630Amp.MCCB. Smal lWi ngr i si ngmai nr ece i vespowerf r om Mai nDi st r i but i onFeederNo.A3 t hr ough630Amp.MCCB.

ght ni ngf ort heFl oor : D2. Li Ateac hfloor( t ot al9Nos. )r i si ngmai nbot hLar ge( Nor t h)& Smal l ( Sout h)Wi ng ar et appedt hr ough125Amp.L&TmakeTPN swi t c h.

TheTPN Swi t c hi smount ed on t heout ersur f aceoft heBusducti . e.r i si ng mai n & connect ed t ot heBusBar sby4CX10 sq. mm cabl esatt hebac k of t heswi t ch.Theout goi ngf r om t heswi t char et akeni nMCB DB.Ther ei sone 63Amp,4pol eTPN MCB,

Eac h phase oft he Bus Bar si s connect ed t r ough 40/25 A RCCB.The Out goi ngi st hr oughLDB1& LDB2,I nLDB1& 2t hei nco mi ngi st hr ough 40 Amp,4pol eTPN MCB & out goi ngi sdi s t r i but ed i n eac h phase ,t hr ough 10A,20A & 32A Si ngl epol eMCB.Theout goi ngf r om si ngl epol eswi t chf use uni ti sc onne c t e dt o : a) .MCB Di st ri but i onBoxf orl i ght . b) .MCB Di s t r i but i onBoxf orpowersuppl yt osoc ke t s.

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I nEac hFl oort her ear eLDB1,LDB2,& OneEmer ge ncyDB.Eac hfloorhas di ffer entnumber sofMCB di st r i but i onboar d.

E.

Ear t hi ng Ther ear e36Nos.ofEar t hPi tont heofficepr emi ses.

F.

Li ght ni ngPr ot ect i on Ther ear e8Nos.Ai rTer mi nalRodsConnect edwi t h25X3GIs t r i psl ai dal ong t hepar apetwal l s.Ont her oof3Nos.downconduct orhavebeent akenf r om t her oofG. I .St r i pst ot heEar t hPi t s .

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EXECUTIVE SUMMARY

EXECUTI VE SUMMARY ELECTRI FI CATI ON OFHI RI SE BUI LDI NG Ani mpor t antconsi der at i oni nt hel ay outofel ect r i cali nanybui l di ngor i ns t al l at i oni ss af e t y ,be s i de st hec ons i de r a t i onf ore ffic i e nc y ,c onv e ni e nc eand pr o v i s i onf orf ut ur ei nc r e as ei nl oad.

Thef undament alr equi r eme ntt oac hi e v esaf e t yf r om t heel ect r i calequi pme nt

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andas s oc i at e dc abl i ngandwi r i ngi st oc o nt r o lt heo cc ur r e nc eo fs ho r tc i r c ui to r f aul tcurr ent si nt hesyst em whi chresul t si nflashover s,burni ngofcabl e i nsul at i on,andi nsul at i ngmat eri al soft hecomponent .

I ti sunde r s t o odt hati nt hee l e c t r i fic at i o no fHI Ri s eBl dg .t he r ewo ul dbe compl exi t yofequi pmentandnet wor kofcabl esofvari oussi zesr i ghtupt oa l owestsi ze1. 5sq. mm conceal edbehi ndt hel ami nat edwal l sandf al secei l i ng whi c h ar eal wayspr one t o fir e.Whati st her ef or er equi r ed i st o pr ev entt he occurr enceofanyshort ci r cui ti nt hesyst em andi fi tdoesoccurt hesamei s c l e ar e df r o mt hec i r c ui to rs y s t e m,byt hepr o t e c t i o nl i kef us e s& r e l a y sbe f o r e t hewi r i ngcabl esandot here qui pmentat t ai n at emper at ur ewhi chi gni t est he cabl ei nsul at i on andot hermat er i al s.Forexampl ea1. 5sq. mm PVC i nsul at ed copper cabl e can wi t hs t and onl y about 100 Amp. For 1 sec.bef or et he i nsul at i on st art s mel t i ng and cat ches fir e.The pr ot ect i on i nt he ci r cui t , t he r e f o r e ,hast obepr o v i de d‘ t hr ’HRC f us e ss ot hati tdi s c onne c t st hec i r c ui t i nl esst i me say 100 t o 200 msec . i . e.bef or et he cabl ei nsul at i on mel t s& c at c he sfir e .

Topr e v entt hehaz ar dsoffir ef r om t hef aul t si n el ect r i calequi pme nt si ti s, t her ef ore, i mper at i ve

t hat t he ent i r e el ect ri cal syst em and i nst al l at i on

conf ormst ot hef ol l owi ng:

a) .Ever yequi pmentusedshoul dbeabl et owi t hst andt hef aul tcurr entoft he s y s t e m;andwhe r ei ti sno ts oduet ono na v ai l abi l i t yoft hepar t i c ul ar r at edequi pmenti tmustbepr ot ect ed‘ t hr ’HRC f uses,sot hati tcut soff t he c i r c ui ti nt hes hor t e s tpos s i bl et i me .

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Us eo fr e wi r eabl ef us e si nt heHI Ri s eBui l di ngs ho ul dbet o t al l ya v oi de d. Onl ypr operr at edMCCB & HRC f use st obeuse df ort hepr ot ec t i onof cabl es& equi pment . b) .Thel o os ec o nne c t i o nst obet o t al l ya v o i de d.Al lt hec a bl et e r mi nat i o nst obe donewi t hpr opersi zeandt ypeoft i nnedcopperl ugsandhardware’ sl i ke bol t s,nut s,washer se t c. c ) .Thec onne c t i o nst obepe r i odi c al l yc he c ke df o rt i g ht ne s sf o rwhi c hi ti s i mper at i vet hatencl osur eusedar eofsuchsi zet hatwhent heyar eopened, t het er mi nal sarer eadi l yaccessi bl e.Fur t her mor esuffici entspaceshal lbe l e f ti nt hei nt e r i o ro ft he e nc l o s ur ef o rt heac c ommo dat i o no fe x t e r nal conduct orf r om t hepoi ntofent ryi nt ot heencl osur esupt ot he t ermi nal s( I S: 42371967) d) .Theencl osur esshoul dal waysbekeptf r eef r om t hei ngr essofdust ,cobwebs e t c .s i nc ei tl e adst ot r ac ki ng& s ubs e que ntflas ho v e r s .I ti sne c e s s ar yt hat af t ert hecabl i ngi sdone,al lt heunusedhol es& openi ngsar epl ugged& se al ed.The eq ui pment s whi c h ar e mount ed out door shal lco nf or m t o degr ee of pr ot ec t i on I P55 and as f ar as poss i bl et he j unct i on boxe s i ns t al l ed out door shal l be made of al umi num or any nonco r r os i v e mat e r i al .

e) . Theequi pmentuseds houl dbeofpr ove nqual i t y& make.I nt hevul ner abl e Page 19 of 55

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ar e as ,c abl e swi t he l as t o me r i ci ns ul at i o ni . e .EPR,s i l i c on,CSP e t c .t obe used.Sucht ypeofcabl esar eusedi nr ai l wayscoaches,shi pset c.and do not c at c h or pr opagat e fir e( Ref er ence I OC Engg.ManualVol 7 Par tI I Chapt erNo. 14) .

t hi ngSyst em & Pr act i ces: f ) . Ear A sound ear t hi ng sys t em el i mi nat es mo r et han hal foft he unsaf e co ndi t i ons and pr ev ent s unwant ed fir es . For t he di sc har ge of f aul t c ur r e nt s ,s t at i ce l e c t r i c i t y and f ort he o pe r a t i on o fpr o t e c t i v er e l a ys and f uses ,t her ei snoshortcutt han t ohavean exact i ng,r obustand pr oper eart hi ngsyst em.

AnEl ect r i calAudi ti saSaf et yConcept .I ti dent i fiest heerr oneouszones ( i nt he e nt i r ee l e c t r i c ali ns t al l at i o n,i . e .e q ui pme nt& t he s y s t e m)whi c h mayhavecrepti nt ot hesyst em i nadver t ent l yduri ngsel ect i on,er ect i on or subse quent t o ener gi z i ng/c ommi ssi oni ng. Recommendat i ons ar e made af t e ranal y z i ngt hede fic i e nc i e sandupdat et heel e c t r i c ali ni t sent i r e t y . Anat t empthasbeenmadei nt hi saudi tt ost udyi ndet ai lt hedefici enci es i n t he sy s t em, equi pment , cabl et er mi nat i ons, ear t hi ng sy s t em e t c. Recommendat i on t o el i mi nat e& er adi cat et hedefici enci esar eal so gi ve n whi c h when i mpl ement ed shal lac hi ev et heobj ect i v eofel i mi nat i ngflashover sandfir ehazardsf r om t heel ect ri calsyst em.

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SUMMARY Sl. No. 1.

'.

Equipment

11 KV Breaer

%ran+$ormer+

0.

4.

Sl. No. 7.

=.

Action

Priority Category

i! Ammeter to "e c#ange $or %r&'. ii! Ru""er mat to "e pro)i*e* iii! Ca"le +i,e+ to "e mare* i! Replace -%( $or %R&1 ii! Silica el to "e replace* iii! Ca"le "o/e+ to "e eart#e* i)! S#e* to "e pro)i*e* o)er %ran+$ormer )! Replace "ot# %ran+$ormer

 Set+2 enerator Panel

( ( (( ( ( ( (( ((

i! Routine Maintenance ii! Replace  3it# Panel

((

MB 5Main i! Recti$y2Replace Un*er )oltage i+tri"ution Boar*! Relay $or  ii! Cali"rate t#e protection relay6 ACB+ etc. yearly iii! Routine Maintenance i)! Ca"le trenc# to "e e/ten*e* in *imen+ion

Equipment

Action

i! Nomenclature to >B 8 ?utgoing MCB to "e gi)en a+ per @oor 8 Page 12 of 55

((

((

Priority Category

Capacitor 8 Control i! Replace lig#t o$ $ee*er No&9o$ Panel panel&' ii! :ig#er Rating Contactor o$ ;ee*er No&< o$ panel&1 >ig#tning Sy+tem

(

(( (

((

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MUMBAI


Page 13 of 55

3ing+ 3i+e. ii! Ru""er Mat to "e place* <.

Sl. No. .

9.

>ig#tning Pole+

i! ;aulte* Ca"le+ to "e replace* ii! Corro*e*2 Ru+te* Pole+ 8 B+ to "e replace*. iii! Eart#ing to "e connecte* i)! Stran*e* ca"le to terminate* 3it# tinne* copper lug+ o$ +uita"le type )! Ca+t aluminum (P&77 B to "e pro)i*e* $or eac# pole 8 lo"e lig#t

Equipment

AC Plant

Action

( (( ( ((

((

Priority Category

i! et ;an B to "e eart#e* ii! Routine Maintenance iii! All "reaer+ to "e o)er#aule* 8 relay+ to "e cali"rate*

;ire Pump :ou+e

1D. S% Plant

(

i! ou"le eart#ing to "e *one ;or trolley pump. ii! Replace* *e$ecte* Ammeter ( in+talle* in Panel+ iii! Unplugge* ca"le+ entrie+ to "e clo+e* i)! Routine 6maintenance o$ Pump 8 motor

( ((

(

(

i! ;or lter pump&' 8 Mono Bloc ( pump eart#ing to "e *one again ii! Replace* *e$ecte* Ammeter ( 8 Voltmeter in Panel iii! Unplugge* ca"le+ entrie+ to "e clo+e* ( i)! Routine maintenance o$ Pump Page 13 of 55

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8 motor

Sl. No.

Equipment

11. >i$t+ 1'. Eart#ing

Action

Priority Category

i! Routine maintenance ii! Eart#ing +y+tem nee*+ to "e impro)e* a+ *etaile* out in t#e recommen*ation

(

10. >ig#tning Protection i! Eart#ing to "e *one "y 07F= ( +trip ii! Ru+te* lig#tning pole to "e replace* ( iii! Eart#ing to "e ma*e continuou+ (

((

14. Canteen "uil*ing

i! Ammeter to "e replace* $or Panel ii! Panel to "e replace* (( iii! >ig#t pro)i+ion to "e pro)i*e* ( i)! re++ing o$ ca"le+ 8 t#e ca"le (( lea*+ to "e *one.

(

17. ;ee*er Pillar

i! Ca"le i+ to "e re terminate* again "y proper crimping 8 3it# lug ii! Panel to "e replace* (( iii! Ca"le glan* to "e pro)i*e* ( i)! re++ing o$ ca"le+ 8 t#e ca"le (( lea*+ to "e *one.

(

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OBSERVATION & RECOMMENDATION

OBSERVATI ONS AND RECOMMENDATI ONS

1. 1. 1

11KV Br eaker s1No.Make–Si emens. Observat i ons: Page 15 of 55

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1. 1. 1

Thi sVacc um Ci r cui tBr eakerr ec ei v ess uppl yf r om Rel i ancePowert hr ough 800A Br eake r .Each br eake rof800A suppl i est o 1000 KVA Tr ansf or mer i . e.TR1& TR2.

1. 1. 2

Thebr eake r sar ei ns t al l edonase par at er oom adj ace ntt oDG r oom.

1. 1. 3

The Amme t er ofTR2t o be change d as ,t he CT r at i oi s 100/1 & t he i nst al l edAmmet err angei s1t o25A.

1. 1. 4

Doubl ee ar t hi nghasbee npr ov i dedbyGIs t r i p& samewasf oundi ngood c ondi t i o n.

1. 1. 5

RearSi deofBr eake rt her ei snor ubbermat .

1. 1. 6

Cabl et er mi nat i onwer ec hec ked& samewasf oundi nheal t hyc ondi t i on.

1. 1. 7

Rel ayse t t i ngcal i br at i ondoneon14. 06. 15.

1. 1. 8

Shoc kt r eat mentc har t ,fir eext i ngui sherhasbee n pr ov i ded i nt her oom, Li ght i ngi nt her oom wasal sof oundadequat e.

1. 2

Recommendat i on: -

1. 2. 1

I ti sr ec ommendedt hatAmmet ert obechangehavi ngt her angeof1t o 100Af orTr 2.

1. 2. 2

AtRearsi deRubbermat of2mm ofvol t ager at i ng33KVatr earsi deof br eakert obepr ovi ded.

1. 2. 3

Dangerboar d/caut i on pl at et obepr ovi dedon t hebr eaker .

1. 2. 4

Cabl esi zest obest enci l edwi t hwhi t epai ntonbot ht hebr eaker s.

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2.


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TRANSFORMER-2Nos. Tr ansf or mer( TR1) 1000KVA,11KV/433V,52. 5/1334A Per ce nt ageI mpedanceZ=4. 95% Make Ki r l osker Tr ansf or mer( TR2) 1000KVA,11KV/433V,52. 5/1334A Per ce nt ageI mpedanceZ=4. 99% Make Ki r l osker

2. 1 2. 1. 1

Observat i ons: Transf ormerI -i ssuppl yi ngt of ol l owi ngare ai . e.Fl oodLoad,Cant een, Domes t i c Pumps, Li f t No. 1 & 2. I T Cent r e, Ai r Condi t i oni ng Uni t , Capaci t or Bank 1 t r ough Mai n Di s t r i but i on Boar d. Tr ansf or mer I Ii s suppl yi ngSmal lWi ng,STP,Lar geWi ng,Li f tNo. 4,5& 6,UPS Room and Capaci t orBank2t hr oughMai ndi st r i but i onboar d.

2. 1. 2

Tr ansf ormer 1i sconnect edt oMai n Di st r i but i on Boardt hr ough6nos. 3. 5X300sq. mm Al .PVC Cabl et oMDB & 1600Amp.ACB. Tr ansf or mer2i sconnec t edt hr ough6nos.of3. 5CX300sq. mm Al .PVC Cabl et oMDB & 1600AmpACB.

2. 1. 3

I n bot ht het r ansf or mer ,Ear t hi ngoft heneut r al& t hebodywasdoneby 50X6mm GIs t r i ps& t hes amewasf oundi nheal t hyc ondi t i on.

2. 1. 4

TheTr ansf or mer sar ei ns t al l ed on hi gh concr e t epl i nt hi n an open ar ea, behi ndt heMai nLTPanelRoom,

2. 1. 5

Fi l t r at i on oft r ansf ormeroi lofbot ht het r ansf ormer shasbeendoneev er y yearast ol dbyt hemai nt enanceper sonal s. Page 16 of 55

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2. 1. 6

Cabl et er mi nat i onswer ec hec ked& samewasf oundi nheal t hyc ondi t i on.

2. 1. 7

WTIofTr ansf or mer 1wasf oundnotwor ki ngpr oper l y .

2. 1. 8

Bot ht heTr ansf or merwasf oundr us t edve r ybadl y .

2. 1. 9

Pr operf enci ng wi t h gat ehas bee n pr ov i ded ar ound t het r ansf or mert o avoi dent ryofunaut hori zedper son.

2. 2 2. 2. 1

Recommendat i on: I ti sr ecommendedt ocheckt hedi el ect r i cs t r engt hoft heoi loncei na year .

2. 2. 2 Si l i caGelofbot ht het r ansf ormert ober eact i vat edbyheat i ng& changed whennecessar y . 2. 2. 3 WTIt obechangedf orTr ansf ormer 1. 2. 2. 4 AShedt obepr ovi dedoverbot ht heTransf ormer ,sot hatr ai nwat ercan bes t oppeddi r ect l yf al l i ngont r ansf or me r . 2. 2. 5 Rout i ne mai nt enanceasperI . O. C.Engi neer i ngManualVol 7Par t It obe done. 2. 2. 6 Cabl eBoxesbot hH. T.& L. T.t obee art hedwi t hmai nbodyoft he t r ansf ormer 2. 2. 7 Forl ongt er m pl anni ngi ti sr ecommendedt or epl acebot ht hen t r ansf ormerby1250KVAt r ansf ormerofr eput edmake. ,si ncet heexi st i ng t r ansf ormeri s32yearsol d& t heaver agel i f ecycl ehasbeencompl et ed.

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2. 3

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Heal t hi ness ReportofTr ansf ormer Tr ansf or merwasc hec ked f orheal t hi nessatI OCL( HO)Bandr aon 20, Jul y , 2015. Dur i ng t he Chec k up f ol l owi ng par ame t er s of bot h t he Tr ansf or mer sl i keVol t age,Cur r ent& Temper at ur ewer er ecor ded& same hasbeenl i st edbel ow i nt abul arf orm: -

Tr ansf ormer No. 1 Det ai l sAsperNamePl at e: Rati ng: -1000 KVA, 11/. 433KV,Dyn11, Cur r ent HV52. 5A & LV1334A, MakeKi r l osker,YearofManuf act ur e=1983,Ser i alNo. -83LD114/2,I mpedance4. 99%. OnDat ed20. 07. 15 Ti me 02: 00P. M. 02: 30P. M. 03: 00P. M. 03: 30P. M. 04: 00P. M. 04: 30P. M. 05: 00P. M.

I /C Vol t agei n Vol t age 405 400 415 415 410 415 410

Cur r enti n Amper e 600 630 560 540 620 635 630

Temper at ur ei nCel si us OTI WTI 40 * 40 * 39 * 38 * 37 * 38 * 41 *

Tr ansf or mer No. 2 Det ai l sAsperNamePl at e: Rati ng: -1000 KVA,11/. 433KV,Dyn11, Cur r ent HV52. 5A & LV-1334A, MakeKi r l osker,YearofManuf act ur e=1983,Ser i alNo 83LD114/1,I mpedance4. 99%. Page 18 of 55

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OnDat ed20. 07. 15 Ti me

I /C Vol t agei n Vol t age

Cur r enti n Amper e

400 400 415 415 410 415 410

780 780 740 700 760 780 760

02: 00P. M. 02: 30P. M. 03: 00P. M. 03: 30P. M. 04: 00P. M. 04: 30P. M. 05: 00P. M.

3.

Temper at ur ei nCel si us OTI WTI 38 41 38 41 37 40 36 39 38 41 39 42 37 40

DG SET-1No: DG Set

500KVA, 415V, 716A,1500RPM Make ofAl t er nat or St amf or d Make ofEngi ne

3. 1

Cummi ns

Oper at i on& r out i nemai nt enancebei ngdoneaspert hemai nt enance Schedul e.

Observati ons: -

3. 1. 1 500 KVA DG Se ti si ns t al l ed i n DG r oom,whi c hi s wi t hout ac ous t i c encl osur e,DG se ti soper at edt hr oughaDG panelofNar endr aSwi t chgear make,hav i ng1000A ACB i ni nco mersi de.Thesuppl yi sf ee dt o Mai n Di st r i but i on Boar dt hr ough buscoupl erof1600A,pr ovi di ngi nt erl ocki ng wi t hmai nsuppl y . 3. 1. 2 TheDG set shasbeenpr oper l yi ns t al l edi nt heDG r oom,cabl ef r om DG se tt oDG cont r olPanelhasbeenl ai dandcabl et er mi nat i onhasbeen donepr oper l y .Nol ooseconnect i on observed.

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Page 21 of 55

3. 1. 3 Bodyear t hi ng& neut r alear t hi nghasbee npr ov i dedby50x6mm GIs t r i p andconnect i onwasf oundheal t hy . 3. 1. 4 I n DG Cont r olpanel ,cabl et er mi nat i on c hec ked & samewas f ound i n he al t hyc ondi t i o n. 3. 1. 5 Condi t i on ofGaske tofpanelwas f ound de t er i or at ed i nt he DG Panel . Neopr enet ypegasketshal lbefit t edatt hedooroft hepanel . 3. 1. 6 UnderVol t age/OverVol t age/Eart hf aul tRel ayi nst al l edi nt heDG Cont r ol Panel ,wer ef oundnoti nwor ki ngcondi t i on. 3. 1. 7 When t heDG i si n Runni ngCondi t i on,t hen t her ei sl otofnoi secr eat ed byt heDG se t s.

3. 2

Recommendat i on: -

3. 2. 1 New DG panel t o be i ns t al l ed hav i ng al lt he pr ot ec t i on l i ke Under Vol t age/Ov er Vol t age/ Ear t hf aul t Rel ay , so t hat t he panel can wor k effici ent l ywi t houtanyhazar d. 3. 2. 2 ForLongRun,a new DG of630 KVA Can bei ns t al l ed hav i ngacoust i c encl osur easperl at estCPCB norms.Thi swi l lt akeent i r el oad ofBui l di ng att het i meofemer gency . 3. 2. 3I twas obser v ed t her e wer e dus t& cob webs i nsi de t he panel ,so i ti s r ec ommended,t hatf r om hotai rbl owerbl owi ng t o be donei n oncei na mont h. 3. 2. 4I ti sr ecommended,t hatcabl et er mi nalnutbol t st obet i ght eni ngt obedone i noncei nat hr eemont h. Page 21 of 55

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4.


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MAI N DI STRI BUTI ON BOARD ( MDB) : TheMDB hasmai nl yt hr eesect i onsi . e.Sect i onI ,Sect i onI I& Sect i onI I I coupl edt hr oughBusCoupl er1600Amp.ACB.

Secti onI consi stof: I ncomerf r om 1000KVA Tr ansf or merTR2-1600Amp.ACB

Out goi ng: -

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t oAi rCondi t i oni ng Pl ant–I I

- 1000Amp.SFU

t oSmal lWi ng,Lar geWi ng& Capaci t orBank2

-

630Amp.SFU

t oUPS change ov er2nd Fl oor& Spar e

-

400Amp.SFU

t oSTP

-

250Amp.SFU

t o Li f tNo.4,5& 6andSpar e

-

100Amp.SFU

t ospar e

-

63Amp.SFU

Secti onI I consi stof: I ncomerf r om 1000KVA Tr ansf or merTR1-1600Amp.ACB

Out goi ng: t oAi rCondi t i oni ng Pl ant I

- 1000Amp.SFU

t oSmal lWi ng,Lar geWi ng& Capaci t orBank1 -

630Amp.SFU

t oCant een,MLTP1& 2,Wor kshop

-

250Amp.SFU

t oLi f tNo.1,2& Fr ei ghtLi f t& Spar e

-

100Amp.SFU

Pant r yLi f t& Fl oodLi ght& Spar e

-

63Amp.SFU

& Domes t i cPump

Secti onI I I consi stof: I ncomerf r om 500KVADG Set -1600Amp.ACB

Out goi ng: t oAi rCondi t i oni ng Pl ant

Page 23 of 55

- 1000Amp.SFU

Date of Visit :

MUMBAI


Page 24 of 55

t oFi r ePumpPanel

-

400Amp.SFU

t oLi f tNo.3& Bui l di ngl i ght ,Mai nGat eLDB

-

100Amp.SFU

& Subst at i on

4. 1

Observat i ons: -

4. 1. 1 Al lt h b e r eaker sar eofABB make.I twasr epor t edt hatser vi ci ngoft he br eakerarebei ngperi odi cal l ydonebyM/s.Spar kEl ect ri cal . 4. 1. 2 Thepr ot ect i on r el aysoft hebr eaker sar ei noper at i on.Mai nt enanceof MDB & ot herequi pment sbei ngdonebyM/s.Spar kEl ec t r i cal . 4. 1. 3 Undervol t age Rel ay2Nos.ofDG sect i on i . e.H4f eederi sf oundnoti n wor ki ngcondi t i on. 4. 1. 4 Cabl et er mi nat i onwer echecked& samewasf oundi nheal t hycondi t i on. 4. 1. 5 Condi t i onoff eederwer echeckedandf oundi nheal t hycondi t i on.No heat i ng/flashove robser ve d/r epor t ed. 4. 1. 6 Shockt r eat mentChart ,RubberMat ,Fi r eExt i ngui sher shasbeenprov i ded i nt hepanelr oom.I l l umi nat i onl eve loft her oom wasf oundadequat e. 4. 1. 7 Doubl ee art hi nghasbeenpr ovi dedbyGIst r i pf ort hepanel& samewas f oundi nheal t hycondi t i on. 4. 1. 8 I twasobser vedt her ewer edust& cobwebsi nsi det hepanel . 4. 1. 9 LoadCur r entwer emeasur edi nvol t met erf orTr 1i s700Amp.& f or Tr ansf or merTr 2i s600Amp. 4. 1. 10 Thel oadcurr entcapaci t yi nsever alf eeder swer echeckedandf oundt he cabl esar eabl et ocarr yt hel oadcurr entwi t houtanyheat i ng.

4. 1. 11I nt hef eeder s,Phasecur r entwer echeckedandf oundt hel oadagener al l y Page 24 of 55

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Page 25 of 55

bal ance d& v ar yonl y10%. 4. 1. 12 I twasobserv edt hatt heCabl et r enchwer efil l edwi t hcabl esandt her ei s nomor espacei nt het r encht oputmor ecabl es . 4. 1. 13 Necessaryi nt er l ocki ngwaspr ovi dedi nt hepanel .

4. 2

Recommendat i ons: -

4. 2. 1 I ti sr ecommendedt ohavet hecal i br at i onoft her el aysdone& oper at i onof t her el ays/br eaker scheckedbySecondaryi nj ect i ont estmet hodt hr ough anyr el i abl e& appr ovedcont r act or/agency . 4. 2. 2 Cl eani ngoft hepanel si nt eri or& t i ght eni ngoft heconnect i onst obedone. 4. 2. 3 UnderVol t ageRel ayofDG sect i ont obechanged/r ect i fied. 4. 2. 4 I twasobserv edt her ewer edust& cobwebsi nsi det hepanel ,soi ti s r ecommended,t hatf r om hotai rbl owerbl owi ngt obedonei noncei na mont h. 4. 2. 5 I ti sr ecommendedatt het i meofr evampi ngt hecabl et r encht obemadeof 1. 2mt ri nwi dt h& 1mt r .i ndept h.Thecabl et obedr essedpr oper l yi n t r ench.

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5. CAPACI TOR ( APFC)PANEL: Nos.320KVAR eachhavebeeni nst al l edr ece nt l yf ort hei mpr ovementof po we rf ac t o r . Makeoft hepanel s : - ABB Capac i t o r

5. 1

: - Uni s t ar

Observat i on: -

5. 1. 1 I ne ac hpane l ,t he r ear ed i ffe r e ntr at i ngo fc apac i t o rbankf e e de r ,c apac i t o r bankf ee der sar e se gr eg at edasof50KVAR 2Nos. ,8nos.of25KVAR and 2nos.10KVAR i nbot ht hepanel . 5. 1. 2 Thec apaci t orarebr oughti nt ot heci r cui ti . e.swi t chedON & OFFt hr ough aut omat i cP. F.cor r ec t i onr el aysmount edont heMDB. 5. 1. 3 Thecont r act orusedi nt hemodul esf ort heswi t chi ngON orOFF,wer e f o undwo r ki ngs at i s f ac t o r y . 5. 1. 4 Cabl et er mi nat i onsofbankswer echecked& samewasf oundi nheal t hy c ondi t i on. 5. 1. 5 Shockt r eat mentChart ,RubberMat ,Fi r eExt i ngui sher shasbeenpr ovi ded i nt hepanelr oom.I l l umi nat i onl eve loft her oom wasf oundadequat e. 5. 1. 6 Doubl ee art hi nghasbeenpr ovi dedbyGIst r i pf orbot ht hepanel& same wasf oundi nheal t hycondi t i on. 5. 1. 7 Capaci t orPanelwasf oundwor ki ngcondi t i onpr oper l yandPFi sbei ng mai nt ai nedar ound0. 99. 5. 1. 8 I nCapaci t orPanelNo. 2,FeederNo9,t heCapaci t orOFFbut t onl i ghti s Page 2 of 55

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no tg l o wi ng . 5. 1. 9 I nCapaci t orPanelNo. 1,FeederNo7,t heCapaci t orcont r act orf ound burnt .

5. 2

Recommendat i on: -

5. 2. 1 I nCapaci t orPanelNo. 2,FeederNo9,t heCapaci t orOFFbut t onl i ghtt op ber epl aced. 5. 2. 2 I nCapaci t orPanelNo. 1,FeederNo7,t heCapaci t orcont r act ort obe changedwi t hhi gherr at i ngcont r act or . 5. 2. 3 Cl eani ngoft hepanel si nt eri or& t i ght eni ngoft heconnect i onst obedone.

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6 LI GHTI NG SYSTEM: The l i ght ni ng & powersuppl yt o di ffer entfloor s oft he ent i r e bui l di ng i s madet hr ough 2 nos.r i si ngmai nsoneoft heLar geWi ng( Nor t h)& ot heri s smal lWi ng( Sout h) .Ateac h floort her i si ngmai nsar et apped by 125Amp. TPN swi t c h mount ed on t he me t alf r ame oft he r i si ng mai ns and t he t er mi naloft heswi t chareconnect edt oBusBaroft heri si ngmai nbycabl e. Theout goi ngf r om t he100Amp.Swi t c hi sconnect ed t o a MCB DB panel . Thi spaneli susedf orphasespl i t t i ngi . e.3phaset osi ngl ephase. Eac h phas e oft he Bus Bar si s co nnect ed t r ough 40/25 A RCCB.The Out goi ngi st hr oughLDB1& LDB2,I nLDB1& 2t hei nco mi ngi st hr ough 40 Amp,4pol eTPN MCB & out goi ngi sdi s t r i but ed i n eac h phase ,t hr ough 10A,20A& 32ASi ngl epol eMCB. I nEac hFl oort her ear eLDB1,LDB2,& OneEmer gencyDB.Eac hfloor hasdi ffer entnumber sofMCB di st r i but i onboar d. Al lt heLDB ar er ecent l yi nst al l edi neachfloor ,t hecondi t i onsofDB wer e obser vedi ngoodshape. LDB Page 27 of 55

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Make–ETC Ener gy I ncomer - 40A TPN,MCB Out goi ng- 4Nos. 10A,3Nos. -20A,1No. -32AMCB f oreac hphase & 1no,RCCB of25A/40A Si mi l art ypeofLDB’ sarei nst al l edi neachfloorsonLarge& Smal lWi ngs.

6. 1 Observat i ons: 6. 1. 1 TheLDB’ si nst al l edi nt hefloor sar ef oundi ngoodcondi t i on. 6. 1. 2 Theeart hi ngofDB’ sar edonebydoubl eeart hi ng. 6. 1. 3 I nsomeoft hefloors,f r equentt r i ppi ngwasoccur r edasr eport edby M/s.I OCL,i nt hatcas et heRCCB wasc hange df r om 25At o40A,duet o whi chnof ur t hert r i ppi ngwasr eport ed.

6. 1. 4 Out dat edr ubbermathasbeenusedi nf r ontoft her i si ngmai ns. 6. 1. 5 Cabl et er mi nat i onswer echecked& samewasf oundi nheal t hcondi t i ons. Noheat i ng/flashove rwer eobser ve d/r eport ed. 6. 1. 6 I nLDB pr operi dent i ficat i onwasnotbeengi ve nf oreachLDB accor di ngt o floor & wi ng. 6. 1. 7 Al so,i neachDB,i dent i ficat i on/nomencl at ur ef orout goi ngMCB wer enot g i v e nf o rt hee as yo fo pe r a t i o n. 6. 1. 8 I nLDB’ snounpl ugge de nt r i es& dustwasobser ve d.

6. 2

Recommendat i on: -

6. 2. 1 Cl eani ngoft heDB’ si nt eri or& t i ght eni ngoft heconnect i onst obedone. Page 28 of 55

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6. 2. 2 Soi ti sr ecommended,t hatf r om hotai rbl owerbl owi ngt obedonei nonce i namont h. 6. 2. 3 RubberMatasperI S15652,t obeusedf orsaf et ypur pose. 6. 2. 4I nLDB pr operi dent i ficat i ont obegi venf oreachLDB accordi ngt ofloor & wi ngf oreaseofoper at i on& mai nt enance. 6. 2. 5 Al so,i neachDB,i dent i ficat i on/nomencl at ur ef orout goi ngMCB t obe g i v e nf o rt hee as yo fo pe r a t i o n. 6. 2. 6 Cabl et er mi nat i ont obechecked& t i ght enedi nev er y3mont hs.

7

LI GHTNI NG POLE& GLOBE LI GHT: Ther eare apr r ox20Nos.l i ght ni ngpol esfit t edwi t h1X 250Wat t sMet al Hal i de sl ampsi ne ac hfit t i ng .& 7No s.o fl i g ht ni ngfit t i ng po l efit t e dwi t h 1X 150wat t sMet alHal i desl ampsofBaj aj& Phi l i psmake T . her ear e appr ox51Nos.ofDomel i ghthavi ng70wat tsodi um vaporl ampsi nst al l ed i nt heI OCLOfficeCompound.

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7. 1


Page 31 of 55

Observat i on: -

7. 1. 1 DomeLi ghti nBui l di ngarea,t hecabl el ai dar ev eryol d,t heywer ef ound r upt ur edmanyt i mes,aspert hei nf ormat i ongi venbysi t eper sonnel . 7. 1. 2 Thesheetmet alofJunct i onboxesar et ot al l yrust ed& corr oded.Termi nal s har dware sar eal sobadl yr ust ed. 7. 1. 3 Cabl ei nsul at i on wer ef oundweak. 7. 1. 4 I twasobservedi nsomeoft hepol esi . e.5Nos.t hebot t om i sr ust edvery badl y . 7. 1. 5 Atsomepl ace,t heeart hi ngwasf ounddi sconnect edofl i ght ni ngpol es. 7. 1. 6 GardenLi ght( LED Type)of6Wat t,someoft hefit t i ngf oundmi ssi ng/ def ect i v e. 7. 1. 7 Ther ear e8t o10nos.ofpol ewhi charef oundr ust edduet owhi ch mount i ngi snotpossi bl e. 7. 1. 8 Thei ncomi ng/out goi ngscabl esmount edi nt her eces sesatt hebot t om of t hepol esarebadl ycorr oded/rust edwhi chgi veri set ol ooseconnect i on & f ai l ur e.

7. 2

Recommendat i on: -

7. 2. 1 DomeLi ghti nBui l di ngarea,t hecabl el ai dovert her e,whi char er upt ur ed & havel essi nsul at i on,t hesame t obechanged/r epl aced,sot hatno Acci dentcant akepl ace.

7. 1. 2 JB condui t swer ef oundr ust ed,soi ti sr ecommendedt or epl acei t . 7. 1. 4 I ti sr ecommendedt oc hangeal lt hepol eswhi char erust ed& def ect i ve.

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7. 1. 5 Eart hi ngt obe connect edofl i ght ni ngpol eswher eever yf ound di sconnect ed. 7. 1. 6 I ti sr ecommendedt opr ovi decast–AL,I P55Junct i onBoxesat t hebase o ft hepo l e sfit t e dwi t hf us e s /t e r mi nalbl o c ke t c . 7. 1. 7 Thecabl i ngt obedonewi t hgl and& t er mi nal swi t hCul ugs.

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8


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AI R CONDI TI ONI NG PLANT: TheNew Ai rCondi t i oni ngPl anti si nst al l edwhi chi snear l yoneyearol d. Ther eare4nos.ofAC Pl antof200Tonnes/Hr .Eachchi l l erpl anthave havet wouni t seachof100Tonnes/Hr .TheUni tr ece i vepowersuppl y f r om t wonew Panel si nst al l edi nt heAi rCondi t i oni ngr oom.

8. 1 Observat i on: 8. 1. 1 Fol l owi ng Equi pment shasbeeni nst al l edi nAC Pl ant .

Sr .No.

Descr i pti on

Rat i ng

Make

Qt y.

756KW

Bl ueSt ar

4

1)

Ce nt r i f ug alUni t

2)

CondenserPumpMot or

30KW

Ki r l os kar

4

3)

Chi l l erPumpMot or

30KW

Ki r l oskar

4

4)

MCC Panel

415V

I ndus t r i al El e ct r i c al

2

5)

JB f orCondense rPump

415V

I ndus t r i al El e ct r i c al

4

415V

I ndust r i al El e ct r i c al

4

6)

JB f orChi l l erPump

7)

Ai rhandl i ngUni tat Di ffer entfloor

24

8. 1. 2 Al lt heequi pment swer enew andrecent l yi nst al l ed,t heyal lar ei ngood shape. 8. 1. 3 Al lt heequi pment swer ef oundDoubl eear t hi nghasbee npr ovi dedbyGI St r i p/Fl exi bl eCoppercabl ef orbot ht hepanel& s ame wasf oundi n he al t hyc ondi t i o n. Page 33 of 55

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8. 1. 4 Ther ear et wopanel swhi chr ec ei vepowerf r om MDB,t her ear et wonos. 630AmpSFU i neachpanelf orChi l l erPl ant1t o4.Andout goi ngwas ToChi l l erpumps,mot ors ,cool i ngt ower& AHU Uni t si nal lt hefloor s. 8. 1. 5 Emer gencySt opPushBut t oni si nst al l ed f oreachCondenser& Chi l l er Mot or . 8. 1. 6 Cabl et er mi nat i onwer ec hec ked& samewasf oundi nheal t hycondi t i on. 8. 1. 7 TheMot or sf orChi l l er& Condense rUni t swer ec hec kedandf oundok. 8. 1. 8 Nopr obl em hasbee nobse r v ed/r epor t edi nMCC panel . 8. 1. 9 I nf r ontofMCC Panel (chi l l er3& 4uni t )t her ewasnor ubbermat . 8. 1. 10Je tFan DB whi c hi s wal lmount ed hav i ng 16A t hr ee pol e MCB wer e f oundnoteart hed.

8. 2

Recommendat i on: -

8. 2. 1 Al lt het er mi nal st obec heckedandt i ght enedi neve ryt hr eemont hs. 8. 2. 2 Rubbermatt obepr ovi dedi nf r ontofMCCPanel ( Chi l l er3& 4) 8. 2. 3 JetFanDBt obedoubl eeart hedwi t hflexi bl ecoopercabl es. 8. 2. 4 Reg ul armai nt enancet obedoneasperI OCLmai nt enancesc hedul e.

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FI RE PUMPHOUSE : -

9. 1 Observat i on: 9. 1. 1 Fol l owi ng mot or shasbeeni nst al l edi nFi r ePumpHouse.

Sr .No.

Descr i pti on

Rat i ng

Make

Qt y.

89. 5KW

Ki r l oskar

1

1)

Fi r eEngi ne

2)

Hydr antMot or

60KW

Ki r l oskar

1

3)

Spr i nkl erMot or

60KW

Ki r l oskar

1

4)

Jocke yPumpMot or

11KW

Ki r l os kar

1

5)

Tr ol l e y Pump

6)

SumpPump

3. 7KW -

I nduscom -

1 2

9. 1. 2 I nFi r ePumpHouset hecabl ecomi ngt oPanelwasnotpr oper l ydr ess ed ont hecabl et r ay/wal l .Ther earel yi ngi nhaphazardmanner . 9. 1. 3 TheAmmet erofMai nFi r ePanelandot herpaneli nst al l edadj acentt o Fi r e Panelwasf oundnoti nwor ki ngcondi t i on.

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9. 1. 4 TheJockeyPumpwaskepti nAut oMode& atse tpr es sur eof7kg/cm.sq. 9. 1. 5 Ther ei sapr oposalononenewJoc keyPump.Themot orhasbeen br o ug htbutno ty e ti ns t al l e d. 9. 1. 6 Theear t hi ngofJockeyPump,Spri nkl er& Hydr antPumpwer edoneby 25X3mm GIs t r i ps,& samewasf oundi nheal t hcondi t i on. 9. 1. 7 Cabl eent ryi nt ermi nalboxofSpri nkl ermot orwasf oundl oose,i . e.pr oper gl andi ngi snotdone.

9. 1. 8 Thecondi t i onofFi r eengi newasf oundi ngoodshape,samei skepti n manualmode.Thebat t er ycondi t i onf oundheal t hy . 9. 1. 9

I nDCpanelf orFi r eEngi ne,unusedcabl eent ryobserv edatt hebot t om o ft heg l andpl at e .

9. 1. 10 Thet r ol l eypumphavesi ngl ebodyeart hi ng. 9. 1. 11 I nDOLst art er& 16Amp.FuseUni tf orTrol l eyMot or ,cabl eent ryi s wi t houtanygl and.Andt het er mi nalboxofmot oral sodoesnothaveany g l and. 9. 1. 12 Cabl ear mourwer ef oundc utofSumpPumpmot or . 9. 1. 13 Condi t i onofGasketofPanel swer ef ounddet eri orat ed.

9. 2

Recommendat i on: -

9. 2. 1 Al lt het ermi nal sofmot orst obec heckedandt i ght enedi never yt hr ee mont hs. 9. 2. 2 Al lt hedef ect i veAmmet ert ober epl acedaspert her at i ngi nPanel .

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9. 2. 3 Trol l eyPumpt obedoubl eeart hedwi t hflexi bl ecoopercabl es. 9. 2. 4 Al lt hecabl ei nt heFi r ePumphousearet obepr oper l ydr essed/cl added. 9. 2. 5 Pr operCabl egl andi ngt obedonei nal lt hemot orst er mi nalboxes. 9. 2. 6 I ti sadvi sedt opl ugal lsuchunusedspaces/bl anksbyusi ngbl ankert o av oi de nt r yofdus t ,l i z ar dse t c . 9. 2. 7 Neopr enet ypegasketshal lbefit t edatt hedooroft hePanel ’ s. 9. 2. 8 Cabl et obecut t ed& r e tt er mi nat edf orSumpPumpMot or .

10

ST PLANT: -

10. 1 Observat i on: 10. 1. 1 Fol l owi ng mot or shasbeeni nst al l edi nFi r ePumpHouse.

Sr .No.

Descr i pti on

Rat i ng

1)

Fi l t erPump12

7. 5KW

BharatBi j l l i

2

2)

Car i fil edWat erPump12

3. 7KW

Tos hi o

2

3)

Dewat er i ngPump

2. 2KW

Bhar atBi j l l i

1

4)

Re t ur nSl udgePump

2. 2KW

BB & Si emens 2

Page 36 of 55

Make

Qt y.

Date of Visit :


MUMBAI

5)

Ai rBl ower

3. 7KW

6)

Ae r a t o r

2. 2KW

Page 37 of 55

Usha -

2 1

10. 1. 2 ThepanelofSTPl ant ,r ec ei ve spowerf r om MDB ,t heI ncomerhas250A SFU & t heout goi ngi st oPumps,Bl oweret c. 10. 1. 3 TheAmmet er& Vol t met erofPanelwasf oundnoti nwor ki ngcondi t i on. 10. 1. 4 Red& Bl uePhasei ndi cat orofPanelwasnotgl owi ngbri ght l y . 10. 1. 5 Condi t i on ofGasketofPanelwasf ounddet eri orat ed. 10. 1. 6 Ear t hi ngofPumpswer edoneby10sq. mm flexi bl ecoppercabl e. 10. 1. 7 Eart hi ngf orFi l t erPumpNo. 2f ounddi sc onnec t ed& Eart hi ngofMono Bl ockPump2( Car fil ed)wasdonei nf oundat i onbur i edi nmot orpl at f or m. 10. 1. 8 I nRe t ur nSl udgePumpofSi emensmaket hegl andi ngofCabl et er mi nal wer ef oundnotdone.

10. 2

Recommendat i on: -

10. 2. 1 Al lt het ermi nal sofmot orst obecheckedandt i ght enedi never yt hr ee mont hs. 10. 2. 2 Al lt hedef ect i veAmmet er & Vol t met ert ober epl acedaspert her at i ngi n Panel . 10. 2. 3 Eart hi ngf orFi l t erPumpNo. 2t obeconnect ed& Eart hi ngofMono Bl ockPump2( Car fil ed)t obedoneonmot ornoti nf oundat i on.

Page 37 of 55

Date of Visit :

MUMBAI


Page 38 of 55

10. 2. 4 TheRed& Bl uei ndi cat i onl ampst ober epl acedi nSTPanel . 10. 2. 5 Pr operCabl egl andi ngt obedonei nal lt hemot or st er mi nalboxes. 10. 2. 6 Neopr enet ypegasketshal lbefit t edatt hedooroft hePanel .

11

LI FTS: -

11. 1

Observat i on: -

11. 1. 1 Fol l owi ng Li f t shasbeen i nst al l edi nI OCLBui l di ng. Page 38 of 55

Date of Visit :


MUMBAI

Sr .No.

Descr i pti on

Capaci t y

Page 49 of 55

Make

Qt y.

1)

PassengerLi f t16

20per son

Ot i s

6

2)

Fr e i g htLi f t

15pe r s o n

Ot i s

1

3)

Pant r yLi f t

-

Ot i s

1

11. 1. 2 Al lt hepas se ng erl i f twe r ewe l lmai nt ai ne d.Thel i f tl i c ens ei sv al i d. 11. 1. 3 TheDoorSensor swer ef oundwor ki ngsat i sf act ory . 11. 1. 4 TheEmer ge ncyFan& l i ghtwer ewor ki ng. 11. 1. 5 NecessaryCont r olPanel& i nt er l ocki ngr el aysar eofOt i smake& i ns t al l e di nt hel i f tr o om.Li f t sar ebe i ngs e r v i c e d& mai nt ai ne dby M/s.Ot i srepr esent at i ve.

11. 2

Recommendat i on: -

11. 2. 1 Ther ei snor ecommendat i on.TheLi f t sar eworki ngsat i sf act ory.

12.EARTHI NG & EARTHI NG SYSTEM : Page 49 of 55

Date of Visit :

MUMBAI


Page 41 of 55

Theeart hi ngsyst em oft hepl antwasf oundgood.Theeart hpi t sofpl ant r andoml ychecked& f ol l owi ngobser vat i onsnot eda.Cons t r uct i on oft heear t h pi ti n sub-s t at i on ar ea& pump housear eawas f ound i n good condi t i on.Nor ust i ngwasobser ved,Eart h Pi tResi st ancewas checkedonr andom basi s& pi tr esi st ancewasf oundi nt her angeof0. 5t o1. 5 Ohm. The meas ur ed v al ue oft he pi tr es i s t ance wer ef ound wi t hi nt he accept abl erange. b. I n mos toft hepi t sC t ypecl ampsused i nt hepi t s& t heconnect i on wer e f oundok. c. Eart hPi tRes i st ancei sbei ngmeasur edandr ec or dsar emai nt ai ned. d.4 Nos .ofNe w Ear t h Pi t has t o be co ns t r uct ed f or Ne w i ns t al l at i on of t r ansf ormer . e.Ther ear e4Nos.ofchemi caleart hi ngi nf r ontofLTPanelr oom.Theel ect r ode i sbur i edi nt hegr ound.Ther ei snopi t smadef oreasyofmai nt enance.

12. 1 EARTHI NG RECOMMENDATI ONS& PRACTI CES: Recommendedpr act i cesf oraneart hi ngsyst em t oat t ai naccept abl el eve l ofsaf e t y: a.Topr ovi deaveryl ow r esi st ancepat ht ogroundf ort hedi schargeof f aul tc ur r e nt ,l i g ht ni ngc ur r e ntands t at i c sc har g e s . b. Mec hani cals t r engt handcor r osi onsr esi s t ancet ov ar i ous envi r onment alcondi t i onssot hatt hesyst em r emai nsi nt act t hr oughoutt heworki ngl i f eoft hepl ant . c.Loosecont act st obet ot al l yavoi dedsot hatt her ear ehotspot s devel opedduri ngt hepassageoff aul tcurr entorl i ght ni ngcurr ent whi c hcanbe200KAormor e. d.Mi ni mum Spaci ngbe t wee nt woel ec t r odesshal lbe10me t er sort wi ce t hel e ng t hoft hee l e c t r o de . Page 41 of 55

Date of Visit :

MUMBAI


Page 42 of 55

e.Eart hgr i dshal lbe1. 5me t erawayf r om t hebui l di ngcol umnandt obe bur i edatadept hof600mm. f .I nt er connect i onofGISt ri psi nt heeart hgri dshoul dbedonebywel di ng i nst eadofbol t i ng,andt hewel dedport i on shoul dbepai nt edwi t hzi ncr i c hpai nt( Epi l ux 4 )o rbl ac kbi t ume npai ntt oa v oi dr us t i ng . g.Theconnect i on oft hegri dst ri pswi t ht heeart hel ect r odesshal lbe madei nsuc hawayt hr oughC t ypecl ampsgr out edont hesi dewal l s oft hee ar t hpi t ,t hati ts hal lbepos si bl et oi s ol at et hee ar t he l e ct r o de andmeasur ei t seart hr esi st ance. h.Al lt heeart hi ngpi t sshal lbei nt er connect edsoast oobt ai nami ni mum eart hr esi st anceof1ohm. i . Equi pmenteart hi ngshoul dal waysbecr i mpedi nsui t abl el ugsi fdone wi t hst r andedAl umi num orGIwi r er opes.Usageofsol i dconduct ort o bea v oi de d,asi tg i v e sr i s et ol o os ec o nne c t i o n wi t hc r i mpe ds oc ke t . j . Al lear t hconnect i onst obec hec kedf ort i ght ness.Looseconnect i onsor bol t edj oi nt sl eadt ohotspot& spar ki ngwhi chcanbecomeasour ceor fir e/expl osi oni nt hehazardousareas. k.Rust edconnect i onst ober ect i fiedbyappl yi ngzi ncr i chorbl ack bi t umenpai nt s. l . Al ll i ght i ngfixt ur esmadeofmet alshoul dbeear t hed.I ti snecessary t hatl i g ht i ngfixt ur e si ns t al l e di nt hepl antar e ass hal lbee ar t he d ext er nal l y .Ext er naleart hi ngt obedonebyusi nga2. 5sq.mm. st r andedcopperwi r eor6s q. mm.GIst r andedwi r e. m.Thenei ghbori ngsoi lt ot heeart hel ect r odeshal lbekeptmoi stby po ur i ngwat e ri nt hei mme di at ev i c i ni t yo ft hee ar t he l e c t r o de .

Page 42 of 55

Date of Visit :

MUMBAI


Page 43 of 55

13 LI GHTNI NG PROTECTI ON ( RefI S-2309) : -

13. 1 Observat i on: 13. 1. 1 Ther ear e8Nos.Ai rTer mi nalRodsConnect edwi t h25X3GIst r i psl ai d al ongt heparapetwal l s.Ont her oof3Nos.downconduct orhavebeen t ake nf r o mt her o ofG. I .St r i pst ot heEar t hPi t s . 13. 1. 2 Li ght ni ngarr est or abovemachi ner oom i sf oundr ust ed. 13. 1. 3 Eart hi ngs t r i pf oundrust edneart hei ncomi ngdoorofr oof . 13. 1. 4 Ats omepl ac e s,t he r ei sdi s c ont i nui t yo fe ar t hi ngs t r i p,i nt her oofar e a . 13. 1. 5 Thenos.ofl i ght ni ngarr est orwer esuffici entaspert hecover edar ea.

13. 2 Recommendat i on: 13. 2. 1 Theexi st i ngeart hi ngt obec hangedwi t h35X6GIst r i p. 13. 2. 2 Li ght ni ngar r es t orwhi char er ust edi st obechangedwi t hnew one. 13. 2. 3 Eart hi ngs t r i pt obemadei ncont i nuoust hr oughoutt her oofar ea.

Page 43 of 55

Date of Visit :

MUMBAI


Page 44 of 55

14 CANTEEN AREA POWER SUPPLY: PanelNo. 1 Make- St arEngi nee r I ncomerf r om Subst at i on3. 5X95sq. mm cabl e I ncomerswi t c hof125AmakeL&T Out goi ngt o5nos .SFU of16Amp.& t hr oughswi t c hf useof63Amp( L&T)

MCB DB i nCant een( Power ) : I ncomer - 40Amp4pol eMCB f orpanel . Out goi ng–20A,5Nos .10A,6Nos .32,1No.MCB i neac hphase .

14. 1 Observat i on: 14. 1. 1I twasobser ve di nt hepanelt hatt heAmmet erwasnotwor ki ngcondi t i on. 14. 1. 2 Nopr ovi si on ofl i ght i ngwasprovi dedi nt hepanelar ea. 14. 1. 3 Thewayt opanelwasf ul lofobst r uct i on. 14. 1. 4 Thedust& cobwebf ul li nt hepanel . Page 44 of 55

Date of Visit :

MUMBAI


Page 45 of 55

14. 1. 5 Unusedhol esont hegl andpl at ear enotpl ugged. 14. 1. 6 Thecabl esl eadsi nsi det heboxesarenotpr oper l ydressed. 14. 1. 7 I nFuseDB t her ei sBusBarar r ange ment ,30Nos.ofHRC Fusef or o ut g oi ngf ordi s t r i but i on. 14. 1. 8 Ther ear e3f eeder si nt heDB whi char enoti nuse,t heyarei n no nf unc t i o nalc ondi t i o n.

14. 2 Recommendat i on: 14. 2. 1 Panelr oom t obeproper l ymadewi t hpr operper i pher i es,show t hatsaf et y measur et obekepti nmi nd. 14. 2. 2 Panelwayt obecl eaned,al lt heki t chengoodst ober emovedi nf r ontoft he panel . 14. 2. 3 Cabl egl andi ngt obeprovi dedwer ee veri sr equi r ed& t heunusedent r i es t obepl ugged& seal ed. 14. 2. 4 Cl eani ngi sr equi r edi nt hepanel& nearbyar ea. 14. 2. 5 Pr ovi si on f orpr operl i ght ni ngt obemade,sot hatt her ewi l lbeadequat e l i g htt owor k. 14. 2. 6I ti sr ecommendedt hatf r om hotai rbl owerbl owi ngt obedonei noncei na mont h. 14. 2. 7 Thedr essi ngofcabl es& t hecabl el eadst obedone. 14. 2. 8 For ,l ongt er m pl anni nganew panelt obei nst al l ed.

Page 45 of 55

Date of Visit :

MUMBAI


Page 4 of 55

15. FEEDER PI LLAR PANEL( NEAR MAI N GATE) : Mai nGat eDB I ncomer- of100A3pol eMCB,makeL&T Out goi ngt o10nos .MCB of32Amp.& 40Amp.Theo ut goi ngi st oDome l i g ht ,Cabi nLi g ht ,f ount ai nl i ght ,out doorl i ght .

MCB DB f orFount ai n( Power ) : I ncomer - 40Amp4pol eMCB f orpanel . Out goi ng–t of ount ai nSt art erMot orappr ox10HP.

15. 1 Observat i on: -

Page 4 of 55

Date of Visit :

MUMBAI


Page 46 of 55

15. 1. 1I ncomerDB encl osur ei sver ysmal l ,i . e.t hespacei sl essduet owhi ch t her ei spr obl em ofdoi ngmai nt enance. 15. 1. 2 Av ai l abl eDB i sv e r yo l d& t hec ondi t i o ni sv e r yc r i t i c al . 15. 1. 3 Heat i ngi ncabl ei sobservedi nt hei ncomersi deoft hecabl e. 15. 1. 4 TheMCB DB wasf ul lofdus t& co bweb. 15. 1. 5 Unusedhol esont hegl andpl at ear enotpl ugged. 15. 1. 6 Thecabl esl eadsi nsi det heboxesarenotpr oper l ydressed. 15. 1. 7 I nFount ai nDB,t hespacef ormount i ngofcabl et er mi nalnoti npr oper Way . 15. 1. 8 Condi t i onofGasketofDB wasf ounddet er i or at ed. 15. 1. 9 Fl ashoverobser vedi ni ncomi ngcabl et er mi nali nFount ai nDB.

15. 2 Recommendat i on: 15. 2. 1I ti sr ecommendedt hatt hecabl ei st ober et er mi nat edagai nbypr oper cr i mpi ng& wi t hl ug. 15. 2. 2 Cabl egl andi ngt obeprovi dedwer eeveri sr equi r ed. 15. 2. 3I ti sr ecommendedt hatf r om hotai rbl owerbl owi ngt obedonei noncei na mont h. 15. 2. 4 For ,l ongt er m pl anni nganew DB’ st obei nst al l edsot hatnopr obl em i s bei ngf acedatt het i meofmai nt enance. 15. 2. 5 Neopr enet ypegasketshal lbefit t edatt hedooroft hePanel . Page 46 of 55

Date of Visit :

MUMBAI


15. 2. 6Thedr essi ngofcabl es& t hecabl el eadst obedone.

Page 47 of 55

Page 47 of 55

Date of Visit :

MUMBAI


Page 48 of 55

Docume!" Re#$e%

1) .Document : - Document sasperTe nderr equi r ement swer er ev i e wedatI OCL HeadOffice .Fol l owi ngEqui pment sDoc ument swer er e vi e wedas l i s t e dbe l ow.

1. 1

Eart hi ng: - Eart hr es i s t anceofear t hpi ti nI OCLOfficeCompound wast akenbySpar kEl ec t r i calCont r act oron03/06/2015. Ther eport ssubmi t t edbyM/s.Spar kwer er ev i ewed.

i ons: Fol l owi ngwer et he Observat Page 48 of 55

Date of Visit :

MUMBAI


Page 59 of 55

1. 1. 1I ndi vi dualVal ueofEart hPi tr esi st ance wasobservedf r om 0. 4t o0. 8ohm f orPi tNo .1t o14. 1. 1. 2I ndi vi dualVal ueofEart hPi tr esi st ance wasobservedf r om 0. 4t o0. 8ohm f o rPi tNo .15t o31. 1. 1. 3 Ther ear e8nos.ofEart hpi tatTransf ormeryar d,t heval uel i esf r om 0. 4 t o1. 62ohm,f orPi tNo.7 t her esi st anceval uei s1. 3ohm & Pi tNo.8i ti s 1. 62ohm. 1. 1. 4 The r ear e9no s.o fOl dEar t hpi tatBui l di ngs i de ,t hev a l uel i e sf r o m 0. 4 t o1.2ohm,f orPi tNo. 6havet hemaxi mum val ueofr es i st ancewas r ecor ded i . e.1. 2ohm. 1. 1. 5 Ther ear e6nos.ofNeut r aleart hi ng,2f orDG & Twonos.f oreach t r ansf ormer ,t heval uel i esf r om 0. 2t o. 4ohm.

2. 1 Batt eryCharger : -Bat t er yChar gerf or11KVBr eakerwass er vi ced by M/s.Spar kon14. 06. 15.Andt her eportdat ed16. 06. 15

i ons: wer er evi ewed.Fol l owi ngwer et he Observat 2. 1. 1 Oper at i onal& Funct i onalcheckswer ef oundsat i sf act ory . 2. 1. 2 Condi t i onofbat t er yf oundgood& t her ewer enoopenent ry .

3. 1 LT Panel: - LTPanelse r vi ci ngwasdoneon14. 06. 15byM/s.Spar k.And t her eportdat ed16. 06. 15 wer er evi ewed.Fol l owi ngwer et he

Observat i ons: -

Page 59 of 55

Date of Visit :

MUMBAI


Page 51 of 55

3. 1. 1 Cl eani ng,ON OFFoper at i onofMCCB wer echecked& f ounds at i sf act or y . 3. 1. 2 Ti ght eni ngofpower& cont r olcabl ewasdone. 3. 1. 3 Oper at i nghandl eofMCCB ofG5i . e. (Pant ryLi f t )f eederwer ef ound br oken.

4. 1 HTPanel: -HTPanelser vi ci ngwasal sodoneon14. 06. 15byM/s.Spar k. Andt her epor tdat ed16. 06. 15wasi ss ued& samewas

i ons: r evi ewed.Fol l owi ngwer et heObservat 4. 1. 1 Cl eani ng,Tri ppi ngofr el ayswer echecked& f oundsat i sf act ory. 4. 1. 2 Ti ght eni ngofBusBarwasdone. 4. 1. 3 HTCabl eTe r mi nat i on & CT/PT c onnec t i onwer ec hec ked& f oundOk.

5. 1 Tr ansf or mer : -Ser vi ci ngofTr ansf or merwasdone byM/s.Spar kon 14. 06. 15andt her epor tdat ed16. 06. 15wasi ss ued& same

i ons: wasr evi ewed.Fol l owi ngwer et heObservat 5. 1. 1 Cl eani ng,Tri ppi ngofr el ayswer echecked& f oundsat i sf act ory. 5. 1. 2 HTCabl eTe r mi nat i on wer echecke d& f oundOk. 5. 1. 3 Br eat herofbot ht het r ansf ormerwer ef oundbr oken.

Page 51 of 55

Date of Visit :

MUMBAI


Page 52 of 55

5. 1. 4 Di e l e c t r i cT e s to fT r ans f o r me rOi lwasdo ne& t her e s ul t si sg i v e nbe l o w: -

Tr ansf or mer

Bef or eFi l t r at i onVal ue

Af t er Fi l t r at i onVal ue

Tr ansf or me r 1

25KV

60KV

Tr ansf or mer 2

20KV

60KV

6. 1 HTBr eaker: - Ser vi ci ngofBr eakerwasdone byM/s.Spar kon 14. 06. 15andt her epor tdat ed16. 06. 15wasi ss ued& same

i ons: wasr evi ewed.Fol l owi ngwer et heObservat 6. 1. 1 HTBr eakerofI ncomerSi de& Bot hOut goi ngsi de.Fol l owi ngt estwer e carr i edouti . e.Cl osi ng& Tri ppi ngofBr eaker ,Mechani calOper at i on, spr i ngchargi ngofmot orwer echecked& f oundsat i sf act ory . 6. 1. 2I ndi cat i onofRel ay,Br eakerTri ppi ngf r om Rel aywer ef oundworki ng

s at i sf act or y . 6. 1. 3I nsul at i onResi st ancei nON & OFFcondi t i onwer ec heckedandf ol l owi ng poi nt swer enot ed: -

Br eaker ssi de

Phaset oPhase Val ue

Phaset oEar t h Val ue

I nco merSi de

1500M. Ohm

2000M. Ohm

Tr ansf or me r 1

1000M. Ohm

1500M. Ohm

Tr ansf or me r 2

1500M. Ohm

2000M. Ohm

Page 52 of 55

Date of Visit :

MUMBAI


Page 53 of 55

7. 1 ACB i nMDB : - Ser vi ci ngofACB wasdone byM/s.Spar kon 14. 06. 15andt her epor tdat ed16. 06. 15wasi ss ued& same

i ons: wasr evi ewed.Fol l owi ngwer et heObservat 7. 1. 1 Cl osi ng& Tri ppi ngofACB,Mec hani calOper at i on,wer echec ked& f ound s at i s f ac t o ry . 7. 1. 2 Af t e rs e r v i c i ngwo r ki ngc o ndi t i o nso fACB’ swe r ef o unds at i s f ac t o r y . 7. 1. 3 Mai n& Auxi l i aryCont act sf oundok. 7. 1. 4 I nsul at i onResi st ancei nON & OFFcondi t i onwer echeckedandf ol l owi ng poi nt swer enot ed: -

ACB r at i ngs

Phaset oPhase Val ue

ACB 1600TR2

Phaset oEar t h Val ue

200M. Ohm

200M. Ohm

ACB 1600BC

100M. Ohm

200M. Ohm

ACB 1600TR1

200M. Ohm

100M. Ohm

ACB 1600BC RHS

200M. Ohm

200M. Ohm

ACB 1000BC LHS

200M. Ohm

200M. Ohm

8. 1 Rel ay

: -Ser vi ci ngofRel ays wasdone byM/s.Spar kon14. 06. 15 andt her epor tdat ed16. 06. 15wasi ss ued& samewas

i ons: r evi ewed.Fol l owi ngwer et heObservat Page 53 of 55

Date of Visit :

MUMBAI


Page 54 of 55

8. 1. 1 Rel ayCharact er i st i c &f unct i onalhasbeenchecked& f oundok. 8. 1. 2 Af t e rs e r v i c i ngwo r ki ngc ondi t i o nso fRe l a yswe r ef o unds a t i s f ac t o r y . 8. 1. 3 Fl agi ndi cat i on,Al arm & Tri pf unct i onofauxi l i aryr el ayswer echecked& f oundok.

8. 1. 4 Set t i ngofdi ffer entr el ayswer edone& t hese t t i ngwer ef oundok.

i o100/1 ForCTRat f o l l o wi ngs e t t i ng sar es ho wn: Rel ay

Rat i ngs

Set t i ng

I nst ant aneousSet t i ng

PhaseR

0. 5-2. 0

1. 5/. 2

17A

PhaseY

0. 5-2. 0

1. 5/. 2

17A

PhaseB

0. 5-2. 0

1. 5/. 2

17A

Eart hFaul t

0. 1-0. 4

0. 2/. 05

6. 8A

i o 40/1 ForCTRat f o l l o wi ngs e t t i ng sar es ho wn: -

Rel ay

Rat i ngs

Set t i ng

I nst ant aneousSet t i ng

PhaseR

0. 5-2. 0

1. 5/. 2

17A

PhaseY

0. 5-2. 0

1. 5/. 2

17A

PhaseB

0. 5-2. 0

1. 5/. 2

17A

Eart hFaul t

0. 1-0. 4

0. 2/0. 1

6. 8A

i o 25/1 ForCTRat f o l l o wi ngs e t t i ng sar es ho wn: Page 54 of 55

electrical audit

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