REPAIRS MAINT AND SERVICING TO VCBS RMUS TRANSFORMERS HT CABLES CAPACITOR BANKS AND CONNECTED WORKS AT VAROUS EM INSTALLATION AT NEW NAVY NAGAR UNDER GE (NW) NAVY NAGAR COLABA MUMBAI

Amount

Testing of dielectric strength of transformer oil of indoor type transformer, 11KV/433 volt, filteration of transformer oil by passing through filtration plant to remove moisture, impurities and improving di-electic strength to above 40 KV for 1 minute including new transformer oil for toping up & testing after filtration complete all as specified and directed by Engineer -in -Charge. (Note: Transformer oil will be measured & paid seperately.)

Supply only transformer oil with 60 KV di-electric strength for topping up and replacement of old/burnt transformer oil complete all as specified and directed by Engineer -in -Charge.

Supply and fixing in repair of breather with 500 Grams silica gel of indoor type transformer 400KVA to1500KVA, complete all as specified and directed by Engineer -in -Charge

Material and Labour for disconnection of both HT and LT connection from cable and box, taking down the disconnected transformer (Indoor type) 10000/1500 KVA capacity 11/.433 KV, installed at substation bldg and transporation of unserviceable transformer complete unit to the Transformer repairing workshop and reinstallation the same after repaired back including arrangement of necessary T & P crane and vehicle etc for loading/unloading and to carry following work (i) Draining out transformer oil, taking down HT/LT studs and opening the top cover to checking of windings. (ii) Desludging of core and coil assembly by hot oil pressure and checking/testing of all accessories to identify fault leve. (iii) Brazing of burnt/disconnected copper wound surfaces, studs and connectors including replacement of unserviceable bolts, refixing of existing serviceable bolts, nuts, washers of different size and tightening properly. (iv) Replacement of all gasket materials in top cover , HT, LT bushing using rubberized gasket sheet 4.0/6.0 mm thick duly paster with gasket cement including replacement of LT/HT coils. (v) Repositioning of core and winding assembly inside the tank, assembling the complete unit and re-filling of old transformer oil and top up with new transformer oil including oil filtration and testing. (vi) After assembly of complete unit of transformer load testing, insulation testing including all testing shall be carried out as per IEC and IS and test certificate shall be submitted complete all as specified and directed by Engineer-in-Charge.

Material and labour for Spray Painting of Transformer of following capacity, indoor type with two coats of synthetic enamel paint over a coat of red oxide primer after cleaning, scraping, and filling of cavities complete all as specified and directed by Engineer-in-Charge.

Transformer 1000KVA /1500KVA,11KV/440Volt

Transformer 400KVA ,11KV/440Volt

Material and labour for disconnecting of LT and HT cable carefully from Transformer and draining out transformer oil, dismantling transformer top cover and dismantling of 4Nos LT bushing and 3Nos of HT bushing including necessary tools and plant for attending leakage problem with replacement of oil seal, all gaskets, thermometer(oil temperature gauge) and reassembling complete all as directed.(Note : New Transformer oil and spare parts will be measured and paid separately excluding oil seal and thermometer i.e oil temperature gauge)

Transformer 1000/1500KVA ,11KV/440Volt

Transformer 400 KVA ,11KV/440Volt

Supply only for replacement of burnt out studs and bushing with nuts of any material by providing new copper alloy stud with nut,washers and bushing with oil seals on HT side all as directed for following capacity transformers:-

Transformer 1000/1500KVA ,11KV/440Volt

Transformer 400KVA ,11KV/440Volt

Supply only for replacement of burnt out studs and bushing with nuts of any material by providing new copper alloy stud with nut,washers and bushing with oil seals on LT side all as directed for following capacity transformers:-

Transformer 1000/1500KVA ,11KV/440Volt

Transformer 400KVA ,11KV/440Volt

Disconnecting and dismantling the existing indoor type VCB 11 KV horizontal draw out type VCB trolly of rupturing capacity 250/350 MVA, 400/630/800 Amps from location and repair /overhauling including replacement of damaged spare parts and carrying out with the following all as specified and directed by Engineer-in-Charge. Note :- spare parts will be measured & paid seperately (i) Inspecting / overhauling of manual / motorised spring drive mechanism by checking mechanism, motor and gear assembly, big gear assembly, stop bolt assembly, main shaft interlocking assembly, closing spring assembly, small cam with screw, motor cut-off limit switch, butter fly swich assembly and apply multi grease lubricant to function smoothly. (ii) Inspecting / overhauling of tripping assembly, earthfault release assembly, tripping coil, auxiliary switch and checking of electrical wiring system. (iii) Inspecting / overhauling /cleaning and inspecting through insulators, vacuum interuptors by carbon cleaner solution and apply dry graphite conductive sealant for electrical contacts to avoid carbon deposits on contact surfaces. (iv) Assembling all items/components parts to the respective position & testing the breaker with High Voltage(DC) and meggering before and after high voltage test complete.

Overhauling, calibration and secondary injection of over current earth fault relays/release on each multiple setting readjustment by artificial load complete all as specified including testing complete.

Material and labour for Dismantling, overhauling and testing Potential transformer capacity 11 KV / 110 volts AC and replacement of worn out spares such as contacts, bushing, control wiring fibre plates, gaskets , transformer oil and applying multi grease to the mechenical parts & dry graphite conductive sealant to contacts etc & re-assembling the same and commissioning complete all as specified and directed by Engineer-in-Charge.(Note : Spare parts and oil will be measured and paid seperately)

Fixing only HRC PT fuse 1Amps,11KV complete all as specified and directed by Engineer -in -Charge

Supply and fixing in repair of Power Factor meters in existing HT/LT Panel Board,Digital type 96x96mm, Voltage 110V AC, Current 5Amps, PTR 11KV/110V ,Accuracy 2deg, Aux Supply 230Volts AC, Range 100LAG-1.000-100LEAD complete all as specified and directed byEngineer-in-Charge.

Supply and fixing in repair of Multi Function meters in existing HT/LT Panel Board Digital type 96x96mm, Aux Supply 230Volts AC,Type: EM6436 Conzerv(Schneider Electric) or equivalent AE/SECURE complete all as specified and directed by Engineer-in-Charge.

Supply only following spare parts suitable for VCB Panels Boards , Rating 11 KV , 800A,/630A26.3/18.4kA indoor type make ABB(VD4)Uniy Safe /Siemens (3AHO104-1Z 11K8BK80Plus) /CG(UNIVAC)complete all as specified and directed by Engineer-in-Charge.

Spout Insulator, Epoxy type with Hardware.

Spring return latch

Vaccum Interupter assembly

Opening / Closing Push Button Assembly

Spring Charging Motor 230Volts

Closing Coil Assembly 30V DC

Potential Transformer, Resin cast dry type 11KV/ 110Volt /Rout3,100VA burden, Class 1 Accuracy, Trolly mounted.Make : Electrical Controls& Systems /NarayanaPower Tech /Pragati/ CG/ GeminiIntraTech /IEC/ MiniEngrs/ Kappa or as approved by GE.

Auxiliary Switch with link

Limit Switches

Tripping Coil assembly 30Volts DC

Motor Charging mechanism gear Drum box

Current Transformers,resin cast dry type, 150 to 20A/ 5+5A Class1 and 5p10,15VA,26.3kA/3Sec.Make : Electrical Controls& Systems /Narayana Power Tech /Pragati/ CG/ GeminiIntraTech /IEC/ MiniEngrs/ Kappa or as approved by GE.

TNC Switch, 25A, Type:BCA02P004E86/S Make :Keycee/Salzer/L&T/C&S/Switron or as approved by GE.

Indicating Lamps LED type,110Volts AC.

Indicating Lamps LED type,30Volts DC

Ammeters, Digital type 96x96mm, CT ration adjastable type, Class 1 accuracy,Aux Supply 230Volts/110Vots AC.

Voltmeters,Digital type 96x96mm,Voltage 11KV, PTR 11KV/110V, class 1 accuracy, Aux Supply 230Volts AC. Make : AE/CONZERV/SCHNIEDER/MECO/SECURE

Relay Nuemerical IDMTL+Inst O/C & E/F, Type N141 (Art.No.1MYN742838D) 30V DC,CTR 5A. Make: Asida/C&S/L&T/Eassun Reyrole/Schnieder/CG/ABB/ GEC/ EE/ Seimens or as approved by GE.

Relay Electromechanical type, Tripping relay Type P08nCH2JS 30V DC.Make: Asida/C&S /L&T/Eassun Reyrole/Schnieder/CG/ABB/ GEC/ EE/ Seimens or as approved by GE.

Supply & fix in repair strip type heater 80watt with control wiring suitable for indoor VCB,11 KV switch gear Panel board complete all as specified and directed by Engr-in-Charge.

Material & labour for repairing of Capacitor (APFC ) panel of 100KVAR to 400 KVR including replacement of old burnt out parts and carryout repairs as (i) Dismantling of Power contactor, TP, 415 Volts and auxillary contactors and cleaning, Overhauling, servicing, repairing tharouhly and replacing burnt contactors upto 63Amps including suitable capacity of copper wire single core,1100Volts grade -01Job (New contactors will be measured paid separatly) (ii) Replacing of the HRC fuses and fuse base with MCB,D'curve,TP,415Volts upto 63 Amps with mounting rail including suitable capacity of copper wire single core,1100Volts grade. (New HRC fuse /MCB will be measured paid separatly) (iii) Dismantling, testing and replacing of damaged Capacitor banks up to 25 KVAR including suitable capacity of copper wire single core,1100Volts grade (New Capacitor banks will be measured paid separatly) .

Material & Labour for repairs/ Overhauling /Servicing to Existing LT electric panels Indoor type of each Transformer by taking shut down from appropiate authority including checking loose connections and tight connection and cleaning inside/out side all connection, replacing all cable glands,thimbles and lugs as per the size of existing cable, applying petroleum jelly on the contactors, providing new insulation tape to bus bars, repair to broken /hanging doors by fixing hinges or welding the door to make it servicable, spray painting (silver colour) / powder coating and testing the entire panel board after the completion of servicing up to the satisfication of Engr-in-charge all as directed and specified. Note :- The tenders quoted rate per unit shall deemed to be inclusive of taking out burnt ACB/ MCB/MCCB/Voltmeter/ Ampiermeter/CT/LED lamps of any type and discription etc and refixing the same, which shall be measured and paid as supply only vide relevent items of this schedule

(i) Cleaning inside the panel and all incoming and out going feeders i.e including MCCB/SFU/Changeover switches/Contactors/ ACB's thoroughly with help of Vaccum Cleaner. (ii) Checking the loose connections of incoming and out going feeders and rectify the same with help of new GI nut bolts and washers (iii) Replacing the burnt out color coated PVC Sleeve of main and fedders bus bar with appropriated size of New PVC heat shrinkable sleeves -01Job (iv) Replacing Burnt out Voltmeters/Ammeters/Indicating Lamps/Hrc Fuses.(Note: New items will be measured and paid separatly)-01Job (v) Replacing burnt out control wiring of Ammeter/Voltmeter/Indicating lamps and CT'swith 2.5/1.5Sqmm copper single core,1100V grade copper conductor cable- 01Job (vi) Replacing Burnt out Bus Bar of incomming and out going feededs with approprieted size of new bus bar (Copper/Aluminum) -01Job( Note : Bus Bar will measured and paid separately). (vi) Replacing Burnt out Insulators of incomming and out going feeders with approprieted size of new Insulators -01Job( Note : Insulators will measured and paid separately) (vii) Spray Painting of Panel Board with one coat of synthetic enamel paint.

Material and labour for Dismantling Air Circuit Breaker 4pole/3pole, 630Amps to 2000 Amps, 415 Volts, draw out/fixed type from location and repair /overhauling of spring drive mechanism, coil, auxiliary switch including setting of over load coil, no volt coil, tripping coil & apply multi grease for mechnical parts, cleaning and inspecting male and female contacts and apply dry graphite conductive sealant for contacts, checking of electrical wiring system, testing, and assembling all items/components parts to the respective position and testing complete all as specified and directed by Engineer-in-Charge. (Note : Spare parts will be measured and paid separately)

Material and labour for Dismantling old unserviceable battery charger and Supply, install, Test and commissioning of Battery charger Float (Tricle)cum Boost (Quick) 15 Amp,suitable for 30V(2Volts 15Nos) 100 AH, Maintenance free VRLA Battery bank unit , enclosure of the charger shall be made of CRCA sheet steel of thickness not less than 3 mm for load bearing members, 2 mm for door and non-load bearing members and 3 mm for gland plates. Panels shall be offered withbase frame of 3.0 mm thick CRCA sheet, painted black all round, suitable for bolting/ welding/ grouting on to the foundation. Gaskets on doors and inter panel gaskets shall be of neoprene rubber. The panel shall have hinged front and back doors with concealed type hinged locks and latches and with following :- Make Rege Associates/ITS Power/NEEL Controle/ Voltamps/ Aplab (i) The ‘trickle’ charger and ‘quick’ charger shall be complete with silicon controlled rectifier units, dry type air-cooled transformers, control electronics, smoothing filters etc. suitable for operation from 415V + 10%, 50 Hz + 5%, 3- ph A.C. supply. The charger output shall be stabilized to + 1% of set value for + 10% input voltage variations and 0-100% load variation. (ii) Input mains failure, Input, Rectifier fuse failure, Filter fuse failure, DC Over Voltage, DC under voltage, Output fuse failure, Charger over-load complete all as specified and directed by Engineer -in -Charge

Material and labour for Dismantling of old unserviceable Battery Bank and Supply ,fixing , Test and Commissioning battery Bank cosnisting of 15Nos of Maintenance Free Valve Regulated Lead Acid (MF-VRLA) 2Volts,Batteries,100Ah including all connections with copper busbar strips and all as specified and directed.

Material and labour for Dismantling and taking out old Capacitor Panel and Supply , fix install testing and commissioning of APFC Panel board 400KVAR (Capacitor Panel) indoor type,cubical shape 3 phase, 4 wire, copper bus bar rating 600 amps for phases and 400amps for neutral made out of CRCA sheet , 2 mm thick ,factory fabricated, CPRI Certfied , powder coated ,dust and vermin proof , provn for ventilation , having seperate compartment /chambers for cable gallery busbar,switch gear,Capacitors, etc all as specified and comprising of following.

Capacitor bank Heavy duty type,415Volts,Cylindrical type, 50Hz AC.

5KVAR -2Nos

10KVAR-2Nos

15KVAR-2Nos

20KVAR-2Nos

25KVAR -4Nos

50KVAR -4Nos

Contactors Capacitor duty,TP,415Volts,50Hz ACsutable forfollowing.

5KVAR -2Nos

10KVAR-2Nos

15KVAR-2Nos

20KVAR-2Nos

25KVAR -4Nos

50KVAR -4Nos

MCB,TP,415Volts,50Hz

10Amps -2Nos

16Amps-2Nos

25Amps-2Nos

32Amps-2Nos

40Amps -4Nos

63Amps -4Nos

APFC Relay, 16Stages digital type suitable for 415V, 3phase, AC supply

Inbuilt Type Voltmeter,Ammeter, digital type with CT's,CTR 400/5A 96x96mm and Phase Indicating LED lamps-01Set

ON/OFF Push Buttons and LED Indication Lamps-16Set

Control wiring with 1.5/2.5Sqmm single core copper conductors,1100Volts Grade cable

CT, CTR 400/5A in existing LT Panel with 2 Core 4 Sqmm Copper Cable

SFU 630A,4P415V 50Hz AC Supply with HRC Fuses-01No

Supply only Spring Charging Handle suitable for upto 2000A ACB complete all as specified and directed by Engineer -in -Charge

Supply only CT's suitable for air circuit breakers of rating 800Amps to 2000 Amps as all as per existing of complete all as specified and directed by Engineer -in -Charge

Supply only Auxiliary contact block suitable for air circuit breakers of rating 800Amps to 2000 Amps as all as per existingof complete all as specified and directed by Engineer -in -Charge

Supply only arcing (fixed/moving) suitable for air circuit breakers of rating 800Amps to 2000Amps as all as per existing of complete all as specified and directed by Engineer -in -Charge

Supply only arc chutes (for 415V) suitable for air circuit breakers of rating 800Amps to 2000Amps as all as per existing of complete all as specified and directed by Engineer -in -Charge

Supply only shunt release(110/220V DC or 240V/415V AC) suitable for air circuit breakers of rating 800Amps to 1250Amps as all as per existing complete all as specified and directed by Engineer -in -Charge

Supply only cluster contact suitable for air circuit breakers of rating 800Amps to 2000 Amps as all as per existing of complete all as specified and directed by Engineer -in -Charge

Supply only trip coil suitable for air circuit breakers of rating 800Amps to 2000Amps as all as per existing complete all as specified and directed by Engineer -in -Charge

Supply & fix Aluminium Bus Bar strips, of any size, for extention of MCCB terminals for cable terminations, inside the cable alley of LT panel board, duly supported on the FRP / DMC support insulators including necessary drilling / bending to obtain required shape and size complete all as specified and as directed.

Note :- (a) Size of the strip shall be determined depending upon the current carrying capacity of the individual outgoing MCCBs. (b) Overall length of the strip shall be measured and paid after necessary conversion into weight. (c) Cost of drilling / bending / Grinding of the strips at site as required shall be included in the unit rate quoted. No extra payment shall be admissible on that account. (d) Rate of Bolts, Nuts etc shall be included in quoted rate.

Supply only APFC Relay, 12Stages digital type suitable for 415V, 3phase, AC supply and complete all as specified and directed by Engineer -in -Charge

Supply only Capacitor bank 5KVAr,Mixed die electric/Heavy duty type,415Volts,50Hz AC supply in existing panel complete as specified and directed by Engineer-in-Charge.

All as per item No 35.00 above but of rating 10KVAR

All as per item No 35.00 above but of rating 15KVAR

All as per item No 35.00 above but of rating 20KVAR

All as per item No 35.00 above but of rating 25KVAR

All as per item No 35.00 above but of rating 50KVAR

Supply only Power contactors Capacitor Duty(Type MOC of L&T) suitable for 50kVAr rating with 2NO+2NC, 415Volts, 50Hz AC supply in existing panel completeas specified and directed by Engineer-in-Charge

All as per item No 41.00 above but rating suitable for 20-25 kVAr

All as per item No 41.00 above but rating suitable for 10-15 kVAr

Supply only of MCB, TP, 'C' Curve, 63 Amps, 415Volts, 50Hz AC supply in existing panel with mounting rail complete as specified and directed by Engineer-in-Charge.

All as per item No 44.00 above but rating 40Amps

All as per item No 44.00 above but rating 32Amps

All as per item No 44.00 above but rating 20Amps

Supply only Auxilaury contactors 10Amps Capacitor duty with 8NO+8NC suitable for ,415Volts,50Hz AC supply in existing panel complete all as specified and directed by Engineer -in -Charge

Supply only Time delay Timer suitable for APFC panel ,415Volts,50Hz AC supply in existing panel completeas specified and directed by Engineer-in-Charge

Supply only Current Transformers,415KV 600/5Amps,15VA burden, accuracy class 1 for metering accuracy for in existing panel and all as specified and directed.

Supply only Current Transformers, 415KV 400/5Amps,15VA burden,accuracy class 1 for metering accuracy for in existing panel and all as specified and directed.

Supply only Current Transformers, 415KV 200/5Amps,15VA burden,accuracy class 1 for metering accuracy for in existing panel and all as specified and directed.

Material and labour for fault finding on LT cables of any size and any length with fault detective machine by thumbing method and suitable high voltage and all as and directed by Engineer-in-Charge.

Supply and fix cable jointing STRAIGHT THROUGH JOINT for 1.1KV grade cable for straight through joint complete with Jointing material (Heat shrinkable)and accessories suitable for 3.5 core XLPE armoured, aluminium conductor cable of size 50 to 95 sq mm and all as directed by Engineer-in-Charge.

Supply and fix cable jointing STRAIGHT THROUGH JOINT for 1.1KV grade cable for straight through joint complete with Jointing material (Heat shrinkable)and accessories suitable for 3.5 core XLPE armoured, aluminium conductor cable of size 120 to 185 sq mm and all as directed by Engineer-in-Charge.

Supply and fix cable jointing STRAIGHT THROUGH JOINT for 1.1KV grade cable for straight through joint complete with Jointing material (Heat shrinkable)and accessories suitable for 3.5 core XLPE armoured, aluminium conductor cable of size 240 to 300 sq mm and all as directed by Engineer-in-Charge.Make : MSeal/Raychem/XICON/Denson/3M

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)1100 Volts grade with stranded aluminium conductor of size 300 Sqmm 3.5 Core and all as directed by Engineer-in-Charge.

Same as Item No 57.00 above but size 240 Sq mm, 3.5 core

Same as Item No 57.00 above but size 185 Sq mm, 3.5 core

Same as Item No 57.00 above but size 150 Sq mm, 3.5 core

Same as Item No 57.00 above but size 120 Sq mm, 3.5 core

Same as Item No 57.00 above but size 95 Sq mm, 3.5 core

Same as Item No 57.00 above but size 70 Sq mm, 3.5 core

Supply & fix electrical Insulating mat confirming to IS15652/2006 (superceding IS: 5424-1969) B.I.S+CPRI+NTH+ERDA approved of C class of mats dielectric strength 65KV, sheet thickness not less than 3.0MM using at power houses including pasting of rubber mats with adhesive resin all as specified and directed by Engineer-in-Charge.

Supply & fix Copper Bus Bar stips, of any size, for extention of MCCB terminals for cable terminations, inside the cable alley of LT panel board, duly supported on the FRP / DMC support insulators including necessary drilling / bending to obtain required shape and size complete all as specified and as directed. Note :- (a) Size of the strip shall be determined depending upon the current carrying capacity of the individual outgoing MCCBs. (b) Overall length of the strip shall be measured and paid after necessary conversion into weight. (c) Cost of drilling / bending / Grinding of the strips at site as required shall be included in the unit rate quoted. No extra payment shall be admissible on that account. (d) Rate of Bolts, Nuts etc shall be included in quoted rate.

Supply & fix of suitable type and size FRP / DMC bus bar support insulator (Bridge Insulator) for fixing the extended aluminium/copper bars, for cable terminations, duly fixed in the body of the panel board including galvanized steel bolts, nuts, washers etc.and necessary drillings, in the panel body, complete all as specified and as directed.

Supply & fix in repairs indicating lamp holder with bulb LED (Red, Yellow, Blue, Green) type to indicate incoming supply suitable for 24 V DC/110 VAC/230Volts AC and all as specified and directed.

Material and labour for Dismantling of ACB and Supply, fix ,test and commissionning in existing panel ACB 4Pole, 800 Amps, MDO, 50KA suitable for 415V, 3phase, AC supply including necessary modification in panel with 2 mm thick CRCA sheet door and suitable size of Copper bus bar with PVC sleev and inculing dismantling of burnt ACB all specified and directed.

Material and labour for fault finding on HT cables of any size and any length with fault detective machine by thumbing method and suitable high voltage complete all as specified and as directed by Engineer-in-Charge.

Supply and fix cable jointing kit Straight Through Joint for 11KV grade cable complete with Jointing material (Heat shrinkable) and accessories suitable for 3 Core XLPE armoured, aluminium conductor cable of size 90 to 185 sq mm complete all as specified and as directed by Engineer-in-Charge.

Supply and fix cable jointing kit, End Termination Joint indoor for 11KV grade cable complete with Jointing material (Heat shrinkable) and accessories suitable for 3 core XLPE armoured, aluminium conductor cable of size 95 to 185 sq mm complete all as specified and as directed by Engineer-in-Charge.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)11000 Volts grade with stranded aluminium conductor of size 185 Sqmm 3 Core and complete all as specified and directed by Engineer -in -Charge

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)11000 Volts grade with stranded aluminium conductor of size 95 Sqmm 3 Core and complete all as specified and directed by Engineer -in -Charge

Supplying and laying un-reinforced precast concrete cable cover, class HV Type I, flat, size 300 mm x 180 mm x 40 mm. laid in trenches complete all as specified and directed by Engineer -in -Charge

Supplying and laying un-reinforced precast concrete cable cover, class LV Type I, flat, size 250 mm x 150 mm x 40 mm. laid in trenches complete all as specified and directed by Engineer -in -Charge

Material & labour for chequered plate 5 mm thick size as per site requirement including cutting to required shape and appling two coat of synthetic enamel paint over a coat of red oxide primer and complete all as specified and directed by Engr-in-charge.

Material and labour for fixing angle Iron of size 25x25x6mm size and square bar applying two coats of synthetic enamel paint over a coat of red oxide primer and complete all as specified and directed by Engineer -in -Charge

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth in hard/dense soil for laying of cable/ GI pipe and getting out complete all as specified and directed by Engineer -in -Charge

Returning, filling in including spreading levelling watering well ramming in layers not exceeding 25cm each complete all as specified and directed by Engineer -in -Charge

Removing surplus soil to a distance outside MoD land and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed by Engineer -in -Charge

Material and labour for dry clean river sand for cushioning of cable in trenches for cable protection including spreading, leveling and hand punning complete all as specified and directed by Engineer -in -Charge Note :- Only compacted thickness of sand will be measured and paid.

OM SAI POWER SYSTEMS