Merald technology Solutions

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Electrical Audit Report forElectrical Audit Report for Archive BaseArchive Base

Electrical AuditElectrical Audit

ReportReportforfor

Archive BaseArchive Base

Auditor:Auditor:

Merald Technology Solutions Nigeria Ltd,Merald Technology Solutions Nigeria Ltd, RC 615901RC 615901

Technology Solutions Nig Ltd., RC: 615901Technology Solutions Nig Ltd., RC: 615901

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No 2, Owhor Street, Opposite Swiss Garde, Stadium RoadNo 2, Owhor Street, Opposite Swiss Garde, Stadium RoadPort-Harcourt, Rivers statePort-Harcourt, Rivers state

NigeriaNigeria


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Date of AuditDate of Audit

22ndnd December - 4December - 4thth DecemberDecember20092009

Date of ReportDate of Report

77thth DecemberDecember

20092009


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Contents

Table of ContentsElectrical System block diagram................................................................................5

Ground Floor Main Hall..............................................................................................6

Consumers..................................................................................................................6Comments.............................................................................................6

Ground Floor Front.....................................................................................................7


First Floor Main Hall...................................................................................................8


First Floor front............................................................................................................9


Second floor Main Hall..............................................................................................10Consumers................................................................................................................10

Comments...........................................................................................10

Second Floor Front.....................................................................................................11

Consumers................................................................................................................11Comments...........................................................................................11

External Electricals....................................................................................................12

Statistics....................................................................................................................12

Generator Set..............................................................................................................13

Comments.................................................................................................................13

Change Over Switch...................................................................................................14

Comments.................................................................................................................14

200 MEM Gear Switch..............................................................................................15

Comments.................................................................................................................15


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Bus Bar Panel.............................................................................................................15

Comments.................................................................................................................15

Earthing System.........................................................................................................16

Comments.................................................................................................................16

Lightning Arrestor.....................................................................................................16

Comments.................................................................................................................16

Fire Alarm Panel........................................................................................................17Comments.................................................................................................................17

NO Load Reading.......................................................................................................18

ON Load Reading.....................................................................................................18

Electrical Safety Audit Checklist..............................................................................19

Summary Report Form - Electrical Audit Action Plan..........................................21


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6

4c x (1c x 16 mm2)PVCAluminum Conductor

FRONT TOILET/KITCHEN/TOILET

CHANGINGROOM

FRONT TOILET/

MAIN HALLMAIN HALLMAIN HALL

FOR GF

FOR GF

FOR SFFOR FF

FOR SFFORFF

100AFEDERALELECTRIC

DB

100AFEDERALELECTRIC

DB

100AFEDERALELECTRIC

DB

100AFEDERALELECTRIC

DB

100AFEDERALELECTRIC

DB

100AFEDERALELECTRIC

DB

MEM- 200ABUS BAR PANEL

100A GEAR SWITCHMEM MAKE

250 AMCCB

250 AMCCB

NEPASUPPLY

GEN37KVA

MEM 63 AGEAR

SWITCH

4c x 25mm2PVC/SWA/PVC

4c x 25mm2PVC/SWA/PVC

4c x (1c x 16mm2)PVCAluminum Conductor

CHANGE OVERBREAKER PANEL

TO EXTERNALSTREET LIGHT

ELECTRICAL SYSTEM BLOCK

DIAGRAM


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GROUND FLOOR - MAIN HALLGROUND FLOOR - MAIN HALL

Size of DBSize of DB -- 8-way 100 Amps Federal Electric8-way 100 Amps Federal Electric

Size of ELCBSize of ELCB -- Not installedNot installed

Size of IsolatorSize of Isolator -- 100Amps 3-pole MEM100Amps 3-pole MEM

Size of MCBSize of MCB -- 30A (8), 25A (5),30A (8), 25A (5),

20A (3), 15A (5), 10A (3)20A (3), 15A (5), 10A (3)

CONSUMERSCONSUMERS

AC Split UnitsAC Split Units 1.5 HP1.5 HP -- 0505

(4x16W) Louver fittings(4x16W) Louver fittings -- 1616

COMMENTSCOMMENTS

ELCB is not installed in DB. In case any consumer gets earthed, there isELCB is not installed in DB. In case any consumer gets earthed, there is nonoprotection.protection.

There isThere is only a two phase supplyonly a two phase supply on DB instead of three phases.on DB instead of three phases.

There isThere is very poor illuminationvery poor illumination in the hall as only three light fittings arein the hall as only three light fittings areworking. The total number of installed fittings are 16.working. The total number of installed fittings are 16.

o As no voltage drop was noticed, the reason for not working of theseAs no voltage drop was noticed, the reason for not working of these

fittings is eitherfittings is either

Defective wiring and/orDefective wiring and/or

Fittings are defective (Ballast, starter tube)Fittings are defective (Ballast, starter tube)o This needs to beThis needs to be checked urgentlychecked urgently..

There are no legends of DB wiring. This is makingThere are no legends of DB wiring. This is making trouble shooting difficulttrouble shooting difficult..

Power cables each 1Cx 8mm are tapped from incoming of DB Isolator. This isPower cables each 1Cx 8mm are tapped from incoming of DB Isolator. This isto feed power to GF DB, installed for security changing room and toilets. As ato feed power to GF DB, installed for security changing room and toilets. As a

result, DB looksresult, DB looksjammed and unsafejammed and unsafe for maintenance and troubleshooting.for maintenance and troubleshooting.


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GROUND FLOOR - FRONTGROUND FLOOR - FRONT[Security changing room, toilet and staircase][Security changing room, toilet and staircase]

Size of DBSize of DB -- 4-way 100 Amps Federal Electric4-way 100 Amps Federal Electric


Size of IsolatorSize of Isolator -- 100 Amps 3-pole MEM100 Amps 3-pole MEM

Size of MCBSize of MCB -- 30A (2), 25A (4), 20A30A (2), 25A (4), 20A

(1), 15A (2), 10A (1)(1), 15A (2), 10A (1)

CONSUMERSCONSUMERS

Bore hole PumpBore hole Pump -- 1(1.5HP,230-240V,50-60Hz)1(1.5HP,230-240V,50-60Hz)

Bulbs and fittings connectedBulbs and fittings connected -- 44

COMMENTSCOMMENTS

There isThere is no incoming powerno incoming powerto DB for the last several months. Therefore,to DB for the last several months. Therefore,the bulbs, fans etc are not functioning.the bulbs, fans etc are not functioning.

Incoming power is tapped from the main hall DB instead of the bus bar panel.Incoming power is tapped from the main hall DB instead of the bus bar panel.

Wiring has a problem so it needs to beWiring has a problem so it needs to be fixed immediatelyfixed immediately.. There isThere is no legendno legend of DB wiring.of DB wiring.

Size of Isolator is very high and so are the sizes of MCBs, as connected loadSize of Isolator is very high and so are the sizes of MCBs, as connected loadis very low.is very low.

Two MCB areTwo MCB are missingmissing from DB.from DB.

There isThere is no protection equipment installedno protection equipment installed to protect the system from earthto protect the system from earthleakage currentleakage current


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FIRST FLOOR - MAIN HALLFIRST FLOOR - MAIN HALL

Size of DBSize of DB -- 8-way 100 Amps MEM8-way 100 Amps MEM


Size of IsolatorSize of Isolator -- 100 Amps 3-pole MEM100 Amps 3-pole MEM

Size of MCBSize of MCB -- 30A (5), 25A (7), 20A (6), 10A (6)30A (5), 25A (7), 20A (6), 10A (6)

CONSUMERSCONSUMERS AC Split UnitsAC Split Units -- 6 (1.5HP,PANASONIC)6 (1.5HP,PANASONIC)

Louver fittingsLouver fittings -- 16 (4X16W)16 (4X16W)

COMMENTSCOMMENTS

DB is powered withDB is powered with two phase supply onlytwo phase supply only..

Similar to ground floor DB, two phase power is tapped from incoming of theSimilar to ground floor DB, two phase power is tapped from incoming of theIsolator to feed power to kitchen DB.Isolator to feed power to kitchen DB.

There isThere is no legendno legend for electrical wires going out from the panelfor electrical wires going out from the panel

DB wiring is clumsy, making it difficult to measure voltages and load current.DB wiring is clumsy, making it difficult to measure voltages and load current.

Since most of the time there is no power, the fire alarm system remainsSince most of the time there is no power, the fire alarm system remainsmostly non-operational. This is because its UPS can only sustain for half anmostly non-operational. This is because its UPS can only sustain for half anhour.hour.

No emergency light was seen in the big hall.No emergency light was seen in the big hall.

The illumination level is low as most of the fittings are non-operational.The illumination level is low as most of the fittings are non-operational.

13Amps SSOs are connected in ring with 2.5 mm13Amps SSOs are connected in ring with 2.5 mm22. These were found to be. These were found to beOKOK..

Similarly, 15Amps SSOs connected in radial with 4mmSimilarly, 15Amps SSOs connected in radial with 4mm22 wire iswire is OKOK..


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FIRST FLOOR - FRONTFIRST FLOOR - FRONT[KITCHEN AND CHANGING ROOM][KITCHEN AND CHANGING ROOM]

Size of DBSize of DB -- 4-way; 100 Amps MEM4-way; 100 Amps MEM


Size of IsolatorSize of Isolator -- 100Amps 3-pole MEM100Amps 3-pole MEM

Size of MCBSize of MCB -- 30A (2), 25A (3), 15A (4), 10A (3)30A (2), 25A (3), 15A (4), 10A (3)

CONSUMERSCONSUMERS

RefrigeratorRefrigerator -- 11

Micro wave ovenMicro wave oven -- 11

Water DispenserWater Dispenser -- 11

Electric kettleElectric kettle -- 22

COMMENTSCOMMENTS

The ring wired circuit of single 13Amps socket outlet supplies power toThe ring wired circuit of single 13Amps socket outlet supplies power to

oo RefrigeratorRefrigerator

oo Microwave ovenMicrowave ovenoo Water dispenserWater dispenser

oo Electric Kettle.Electric Kettle.

The power cable between 13A SSO to consumer is sagging.The power cable between 13A SSO to consumer is sagging.

All bulbs were found to be fused.All bulbs were found to be fused.

No earth leakage protection equipmentNo earth leakage protection equipment is mounted in the incomingis mounted in the incomingDB.DB.

There is only two phase incoming supply at DB Isolator, tapped fromThere is only two phase incoming supply at DB Isolator, tapped fromfirst floor main hall DB isolator, instead of a three phase supply from bus barfirst floor main hall DB isolator, instead of a three phase supply from bus barpanel.panel.

No legendNo legend of DB wiring.of DB wiring.

Size of DB and Isolator is high.Size of DB and Isolator is high.


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SECOND FLOOR - MAIN HALLSECOND FLOOR - MAIN HALL

Size of DBSize of DB -- 8-way 100Amps MEM8-way 100Amps MEM


Size of IsolatorSize of Isolator -- 100Amps 3pole MEM100Amps 3pole MEM

CONSUMERSCONSUMERS

AC Split unitAC Split unit -- 2 (3phase,4.8KW power)2 (3phase,4.8KW power)

Louver fittingLouver fitting -- 16 (4x16W)16 (4x16W)

COMMENTCOMMENT

Three phase power is tapped from Isolator incoming for another DB.Three phase power is tapped from Isolator incoming for another DB.

Also three phase power is tapped for supplying power to Air conditioning unitsAlso three phase power is tapped for supplying power to Air conditioning units

No earth leakage current protection system is installed.No earth leakage current protection system is installed.

Only one split AC is working while second ones compressor is not functional.Only one split AC is working while second ones compressor is not functional.

Light illumination level is low as most of fittings are non-functional. It needsLight illumination level is low as most of fittings are non-functional. It needs

wiring and fitting to be checked and fixed.wiring and fitting to be checked and fixed. There is no emergency light installed.There is no emergency light installed.


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SECOND FLOOR - FRONTSECOND FLOOR - FRONT[Changing room][Changing room]

Size of DBSize of DB -- 4-way, 100Amps MEM4-way, 100Amps MEM


Size of IsolatorSize of Isolator -- 100Amps, 3 pole MEM100Amps, 3 pole MEM

Size MCBSize MCB -- 25A (3), 20A (7), 15A (2)25A (3), 20A (7), 15A (2)

COMMENTSCOMMENTS

DB incoming supply is tapped from second floor main hall DBDB incoming supply is tapped from second floor main hall DBIsolators incoming.Isolators incoming.

No ELCB is installedNo ELCB is installed in DB to protect the system from earth leakagein DB to protect the system from earth leakagecurrent.current.

Isolators and MCB are oversized.Isolators and MCB are oversized.

In generalIn general illumination level is lowillumination level is low..


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EXTERNAL ELECTRICALSEXTERNAL ELECTRICALS

STATISTICSSTATISTICS

No of fittingsNo of fittings -- 15 (400w)15 (400w)

Broken glassBroken glass -- 11

Broken fittingBroken fitting -- 11

COMMENTSCOMMENTS

The perimeter lights are all in one circuit (radial), terminated to a 32AmpsThe perimeter lights are all in one circuit (radial), terminated to a 32Ampsgear switch.MEM Gear Switch is mounted on the fence behind the maingear switch.MEM Gear Switch is mounted on the fence behind the mainbuilding.building.

The fittings are looped with a 2.5 mmThe fittings are looped with a 2.5 mm22 PVC/SWA/PVC cable and they arePVC/SWA/PVC cable and they areterminated with 3c x 1.5mmterminated with 3c x 1.5mm22 industrial flexible cords.industrial flexible cords.

The poles areThe poles are not earthednot earthed..

Termination at the JB isTermination at the JB is not neatly donenot neatly done..

Some of the 6 x 6 boxes used to conceal the connections between loopsSome of the 6 x 6 boxes used to conceal the connections between loops

and fitting rid connectors are not earthed, not covered and are not made inand fitting rid connectors are not earthed, not covered and are not made inscrew.screw.

Some of the fittings are dirty and have debris inside.Some of the fittings are dirty and have debris inside.

Some of the fittings mounted on the security posts are unearthed and cablesSome of the fittings mounted on the security posts are unearthed and cablesare flying around the post, not concealed.are flying around the post, not concealed.

33KV NEPA lines are passing through the base yard. The overhead line is33KV NEPA lines are passing through the base yard. The overhead line isrecommended to be replaced with underground XLPE cable.recommended to be replaced with underground XLPE cable.

One perimeter fitting is broken in pieces and is hanging behind the dieselOne perimeter fitting is broken in pieces and is hanging behind the dieseltank.tank.

Junction boxes appear to be IP55 but water was seen inside.Junction boxes appear to be IP55 but water was seen inside.

There is no terminal strip inside the junction boxes. Wires are directly joinedThere is no terminal strip inside the junction boxes. Wires are directly joined

using pliers.using pliers. No PVC gland is used; therefore, the possibility of water, dust and insectsNo PVC gland is used; therefore, the possibility of water, dust and insects

entering the region is high.entering the region is high.

Galvanized 20mm conduit is recommended in place of existing plastic PVCGalvanized 20mm conduit is recommended in place of existing plastic PVCconduit pipe.conduit pipe.

External wall mounted bulkhead fittings (2) are hanging. It is IP41, while itExternal wall mounted bulkhead fittings (2) are hanging. It is IP41, while itshould be IP55.should be IP55.


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GENERATOR SETGENERATOR SET[37KVA, DUEZ MAKE, AIR COOLED][37KVA, DUEZ MAKE, AIR COOLED]

COMMENTSCOMMENTS

There is no electrical lighting point in generator room.There is no electrical lighting point in generator room.

There is no emergency light installed.There is no emergency light installed.

The following indicators in the Genset are nonfunctionalThe following indicators in the Genset are nonfunctional

Engine RPM meterEngine RPM meter

Engine HR meterEngine HR meter

Engine Oil PressureEngine Oil Pressure

Generator Frequency MeterGenerator Frequency Meter

Generator Voltage MeterGenerator Voltage Meter

Engine speed and thus frequency goes on changing as it is controlledEngine speed and thus frequency goes on changing as it is controlled manually with two naked wires joint together, which often get loosened.manually with two naked wires joint together, which often get loosened.

During the audit period, frequency got down twice.During the audit period, frequency got down twice.

Genset body is not earthed at all. No earth pit and earth chamber could beGenset body is not earthed at all. No earth pit and earth chamber could belocated.located.

There is no separate earth cable from Genset to 63 Amps gear switchThere is no separate earth cable from Genset to 63 Amps gear switchinstalled in Genset room.installed in Genset room.

4C Cable AL armor is used as earth cable from 63A gear switch to 250A4C Cable AL armor is used as earth cable from 63A gear switch to 250AChange over Switch.Change over Switch.

25mm25mm22 cu armored cable is sagging/hanging in changeover switch room.cu armored cable is sagging/hanging in changeover switch room.


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CHANGE OVER SWITCHCHANGE OVER SWITCH

COMMENTSCOMMENTS

There are two 250 Amps 3pole breakers installed inside the 100Amps BILLThere are two 250 Amps 3pole breakers installed inside the 100Amps BILLchangeover panel. One is connected to the Genset while the second breakerchangeover panel. One is connected to the Genset while the second breakeris connected to PHCN 16 mmis connected to PHCN 16 mm22 1C AL cables. There is1C AL cables. There is NO interlockNO interlock(Mechanical or Electrical)(Mechanical or Electrical).In case both the breakers are ON at the same.In case both the breakers are ON at the sametime, it might cause serious problems.time, it might cause serious problems.

Bottom plate of Change over switch is removed enabling easy access toBottom plate of Change over switch is removed enabling easy access toanimals and insects. This can lead to short circuit.animals and insects. This can lead to short circuit.

No cable gland is used for generator cable connection.No cable gland is used for generator cable connection.

No cable trucking is used for PHCN cable and generator set cable.No cable trucking is used for PHCN cable and generator set cable.

Power cable for external lighting is directly connected to Change over switch.Power cable for external lighting is directly connected to Change over switch.

External cables from Change over switch are hanging /sagging in changeExternal cables from Change over switch are hanging /sagging in changeover panel room. No trucking is used.over panel room. No trucking is used.

Changeover switch of 250Amps is highly oversized for 65A maximumChangeover switch of 250Amps is highly oversized for 65A maximum

capacity Genset.capacity Genset.


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200A MEM GEAR SWITCH200A MEM GEAR SWITCH

COMMENTSCOMMENTS

Top cover is open and cables from gear switch to bus bar panel are not wellTop cover is open and cables from gear switch to bus bar panel are not wellconnected.connected.

Cable wire color code is not correct. Black wire is used for Y phase and theCable wire color code is not correct. Black wire is used for Y phase and thesame color is used for Neutral also.same color is used for Neutral also.

BUS BAR PANELBUS BAR PANEL

COMMENTSCOMMENTS

In coming cable insulation is over heated.In coming cable insulation is over heated.

However, top entry of cable is properly connected.However, top entry of cable is properly connected.


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EARTHING SYSTEM

COMMENTSCOMMENTS

Earthing pit and earthing chamber could not be located therefore earthEarthing pit and earthing chamber could not be located therefore earthresistance could not be measured.resistance could not be measured.

None of the electrical panels like DBs, Gear Switches, Bus bar panel, GensetNone of the electrical panels like DBs, Gear Switches, Bus bar panel, Gensetbody are properly earthed.body are properly earthed.

LIGHTENING ARRESTORLIGHTENING ARRESTOR

COMMENTSCOMMENTS

Lightening arrestor is not connected to the earth chamber. Rather, an earthLightening arrestor is not connected to the earth chamber. Rather, an earthcopper strip is directly going to earth. Earth resistance could not be measuredcopper strip is directly going to earth. Earth resistance could not be measuredas there is no earth chamber.as there is no earth chamber.


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`

FIRE ALARM PANEL

COMMENTSCOMMENTS

It has been observed that there is frequent power failure as PHCN power isIt has been observed that there is frequent power failure as PHCN power isdisconnected for the last two months and the Genset remains underdisconnected for the last two months and the Genset remains underbreakdown very frequently. Last month there was no power for more than twobreakdown very frequently. Last month there was no power for more than twoweeks. Under such a situation the fire alarm system will be nonfunctional asweeks. Under such a situation the fire alarm system will be nonfunctional as

its UPS could last only half an hour. In case of a fire, the system will fail andits UPS could last only half an hour. In case of a fire, the system will fail andthere would be serious consequences.there would be serious consequences.


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NO LOAD READING

VabVab(volts)(volts)

VbcVbc(volts)(volts)

VacVac(volts)(volts)

Va-nVa-n(volts)(volts)

Vb-nVb-n(volts)(volts)

Vc-nVc-n(volts)(volts) Ia (amps)Ia (amps) Ib (amps)Ib (amps) Ic (amps)Ic (amps) In (amps)In (amps) RemarksRemarks

CHANGE OVERCHANGE OVER

SWITCHSWITCH 390 389 390 225 224 223

- - - -

200A GEAR200A GEARSWITCHSWITCH 388 390 390 222 224 223

- - - -

GF MAIN DBGF MAIN DB 0 388 390 221 230 230 - - - -FF MAIN DBFF MAIN DB 0 388 390 224 226 224 - - - -SF MAIN DBSF MAIN DB 390 389 390 225 227 226 - - - -SF FRONT DBSF FRONT DB 389 389 389 225 227 226 - - - -

ON LOAD READING

VabVab(volts)(volts)

VbcVbc(volts)(volts)

VacVac(volts)(volts)

Va-nVa-n(volts)(volts)

Vb-nVb-n(volts)(volts)

Vc-nVc-n(volts)(volts) Ia (amps)Ia (amps) Ib (amps)Ib (amps) Ic (amps)Ic (amps) In (amps)In (amps) RemarksRemarks

CHANGE OVERCHANGE OVERSWITCHSWITCH 390 389 390 225 226 218 34.00 49.90 50.00 27.00

200A GEAR200A GEAR

BREAKERBREAKER 388 388 389 225 224 218 34.00 48.00 49.00 24.00DB GF MAINDB GF MAIN 0 384 385 216 214 214 11.00 7.20 11.10 2.50

FF MAIN DBFF MAIN DB 0 388 385 215 215 214 0.54 9.00 9.40 12.00

SF MAIN DBSF MAIN DB 385 385 384 211 217 220 11.00 10.00 11.00 2.30

SF FRONT DBSF FRONT DB 384 385 384 211 216 220 0.50 1.40 1.80 2.00


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Electrical Safety AuditChecklistIssue Date:Issue Date:44thth Dec 2009Dec 2009

Portfolio:Portfolio: Electrical AuditElectrical Audit

Service Unit:Service Unit: Complete SLB Archive BaseComplete SLB Archive Base

LocationLocationinspected:inspected: Schlumberger Archive Base, East-West Road P/HSchlumberger Archive Base, East-West Road P/H

Inspected by:Inspected by: Yogendra Singh, D.Parikh, Er. Akujobi SylvestarYogendra Singh, D.Parikh, Er. Akujobi Sylvestar

Date ofDate ofinspection:inspection: 22ndnd Dec to 4Dec to 4thth Dec, 2009Dec, 2009

StatusStatusYesYes NoNo

Has portable electrical equipment including extension leads and power boardsHas portable electrical equipment including extension leads and power boardsbeen tested and tagged in accordance with the Guideline for Testing of Portablebeen tested and tagged in accordance with the Guideline for Testing of Portable Electrical Equipment?Electrical Equipment?

N/AN/A

Do all power boards have thermal overload switches?Do all power boards have thermal overload switches? N/AN/A

Are all Test and Tag test dates current?Are all Test and Tag test dates current? N/AN/A

Is all equipment maintained in good condition and inspected regularly andIs all equipment maintained in good condition and inspected regularly andrecords kept?records kept? N/AN/A

Are all electrical incidents reported?Are all electrical incidents reported? N/AN/A

Are earth leakage current devices (ELCBs) installed in the circuits?Are earth leakage current devices (ELCBs) installed in the circuits? NN

Have ELCBs been checked to ensure they are working correctly?Have ELCBs been checked to ensure they are working correctly? N/AN/A

Has a risk assessment been conducted on electrical equipment?Has a risk assessment been conducted on electrical equipment? N/AN/A


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Have all people been trained in the use of all equipment?Have all people been trained in the use of all equipment? N/AN/A

Are training records kept for the safe use of all equipment?Are training records kept for the safe use of all equipment? N/AN/A

Has earth resistance of all earth chambers measured and maintained below theHas earth resistance of all earth chambers measured and maintained below thelimit?limit? N/AN/A

Are all lighting fittings and Power boards in good condition?Are all lighting fittings and Power boards in good condition? NN

Are any leads causing a trip hazard?Are any leads causing a trip hazard? NN

Are out of service tags for faulty equipment available and used?Are out of service tags for faulty equipment available and used? NN

Have staff received a general Electrical Safety Induction?Have staff received a general Electrical Safety Induction? N/AN/A

Is a safety manual available and distributed to staff?Is a safety manual available and distributed to staff? N/AN/A

Has fire alarm system been testedHas fire alarm system been tested N/AN/A


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Summary Report Form --- Electrical Audit Action PlanSummary Report Form --- Electrical Audit Action Plan

Portfolio:Portfolio: Electrical AuditElectrical Audit

BASEBASE SLB Archive BaseSLB Archive Base

Location inspected:Location inspected: Schlumberger Archive Base, East-West Road P/HSchlumberger Archive Base, East-West Road P/H

Inspected by:Inspected by: Merald Technology Solutions Nigeria LtdMerald Technology Solutions Nigeria Ltd

Date of inspection:Date of inspection: 22ndnd Dec to 4Dec to 4thth Dec, 2009Dec, 2009

LocationLocation Issue/ HazardIssue/ Hazard Proposed ActionProposed ActionResponsibilitResponsibilit

yyCompletionCompletion

DateDateCompletCompleted Y/Ned Y/N

GF - MainGF - Mainhallhall

Illumination is very low as 13 outIllumination is very low as 13 out

of 16 fittings are not workingof 16 fittings are not workingElectrical wiring and/or fittings must beElectrical wiring and/or fittings must bechecked and fixed ASAPchecked and fixed ASAP SLBSLB -- --

GF - FrontGF - FrontDB has no power supply so, noDB has no power supply so, nolighting points, sockets etc oflighting points, sockets etc ofguard changing room are workingguard changing room are working

Wiring of DB supply has to be checked andWiring of DB supply has to be checked andfixedfixed

SLBSLB-- --


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GF and FFGF and FFDBsDBs

Only two phase power isOnly two phase power isconnectedconnected

Connect three phase supplyConnect three phase supply SLBSLB -- --

GF and FFGF and FFfront DBsfront DBs

Incoming supply is tapped fromIncoming supply is tapped fromMain halls respective DBsMain halls respective DBs

Connect power from Bus Bar PanelConnect power from Bus Bar Panel SLBSLB -- --

Whole BaseWhole Base EarthingEarthingProper earth pit and chamber should beProper earth pit and chamber should be made and a separate earth cable shouldmade and a separate earth cable should

run for earthing the electrical panelsrun for earthing the electrical panelsSLBSLB -- --

MainMainbuildingbuilding

Fire AlarmFire AlarmInsure power supply to fire alarm controlInsure power supply to fire alarm control

panel by keeping PHCN and Gensetpanel by keeping PHCN and Gensetoperationaloperational

SLBSLB -- --

DBsDBs Earth leakage current protectionEarth leakage current protection Install ELCBsInstall ELCBs SLBSLB -- --

ChangeoveChangeover Switchr Switch

1)No interlock with PHCN power1)No interlock with PHCN powerand Gen set powerand Gen set power

2)Breakers are oversized2)Breakers are oversized

Mechanical/Electrical interlock to beMechanical/Electrical interlock to beprovided to avoid bridging of PHCN andprovided to avoid bridging of PHCN and

Genset power and reduce size of breakersGenset power and reduce size of breakersSLBSLB -- --

200Amps200AmpsGearGearSwitchSwitch

Panel top is open and one livePanel top is open and one livecable and N-cables are blackcable and N-cables are black

colorcolor

Fix the problem by covering top and useFix the problem by covering top and usered cable for live linered cable for live line SLBSLB -- --


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GEN SETGEN SET Very bad conditionVery bad conditionIndicators and governer system must beIndicators and governer system must befixed, Gen body should be earthed, Powerfixed, Gen body should be earthed, Powercable should pass through truncking, andcable should pass through truncking, andshould be well glanded before termination.should be well glanded before termination.

SLBSLB -- --

PHCNPHCNPowerPower

Disconnected since last twoDisconnected since last twomonths, 33KV overhead wiresmonths, 33KV overhead wires

passing through basepassing through base

Needs to be reconnectedNeeds to be reconnectedand an underground XLPE cable shouldand an underground XLPE cable should

replace overhead wire between two polesreplace overhead wire between two polesSLBSLB -- --

ExternalExternalElectricalsElectricals

Broken fittings, glass hangingBroken fittings, glass hangingbulkhead fittings, JBs and terminalbulkhead fittings, JBs and terminal

Strips ,bore hole pump breakerStrips ,bore hole pump breakerNeeds to be fixedNeeds to be fixed SLBSLB -- --


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