CWE/P-66/2019-20 REPAIR TO EXTERNAL ELECTRIFICATION, VCBS, ACBS, TRANSFORMERS AND OTHER ALLIED WORKS AT PATHANKOT UNDER GE (WEST) PATHANKOT

Amount

M&L for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out the transformer/Voltage stabiliser indoor/ outdoor type of capacity 250 to 500 KVA, 11 KV/ 0.433 KV, step down any make for carrying out complete overhauling which shall comprise of the following:- Details of SM/MES/SR Nos of equipments likely to be repaired are enclosed as per Appx 'A1' to particular specifications.

M&L for lifting, transporting, handling, the transformer to workshop and opening top cover of the transformer by unscrewing nuts, bolts, washers etc. including disconnecting core assembly from HT/ LT bushing and lifting the same gently and taking out from the shell (container/ body) of the transformer.

M&L for draining out transformer oil from the above said transformer in the suitable capacity of container /drums and keeping it in safe custody for reuse.

M&L for cleaning the transformer body from inside, removing deposited dirt/ sludge/ foreign particles etc. from the bottom/ body of the transformer and drying up the shell from inside before refilling of the transformer oil.

M&L for cleaning and washing thoroughly core and windings of the transformer by hosing down with clean dry oil conforming to IS 335/1983, removing deposited dirt/sludge/foreign particles from the windings/ core, thorough inspection of windings, providing insulations to leads and terminals, heating/ drying/ baking complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as directed by Engr-in- charge.

Lifting and refixing core assembly inside the transformer shell gently and carefully, connecting primary/ secondary/ Neutral connections to the bushings assembly, fixing of tap change over including tightening of nuts, bolts, washers of the core to reduce humming noise all as directed.

Refilling the filtered transformer oil in the shell of transformer complete.

Refixing the top cover including replacement of cork sheet/ gasket 8mm thick, tightening of nuts/ bolts/ washers etc. and replacement of breather with silica gel crystal type all as directed by Engr-in charge

Lifting/ shifting to the place from where removed or to any location as directed and re-installing the transformer including connecting primary/ secondary/ neutral connections etc. all as directed by Engr-in-Charge.

j) The inspection of transformer shall involve as under:- i) Checking of all clamps, nuts, bolts including core bolts & cover fixing bolts. Ii) Checking all brazings, joints, tap heads and connection joints. iii) Checking all jumpers, terminations/ connections inside the transformer. iv) Checking the Buchholtz relay/ conservator MOG if any. v) Painting of transformer complete with two coats of synthetic enamel paint externally transformer shell complete all as directed by Engr-in-Charge. (vi) Inspection of tap changer, checking the moving and fixed contacts for contact wear and connection to winding. (vii) Checking of transformer as per clause 9 & 10 of particular specifications.

k) Conducting the tests on core and windings as per IS like ratio, magnetic imbalance, short circuit etc. in presence of Engr-in-Charge and test results shall be signed both by the contractor and Engineer -in-Charge and kept on record.

Note:- (i) Any damage to insulators/ bushes/ windings etc. while in the custody of the contractor shall be made good at no extra cost to Department. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody.(ii) The quoted rate deemed to be inclusive of provision of alternate stand by transformer of suitable capacity (on rental basis) from workshop till repairs to existing transformer and the cost of rent, transportation to and fro, installation & connection also deemed to be included the quoted rate for the same. (iii) M&L for rewinding/ re-insulation of HT/ LT (primary/ secondary) coils, bushes, studs, Transformer oil,cable box, replacement of buchholtz relay if any etc will be measured and paid separately.

All as per Item No. 1.00 to 1.11 herein before but but transformer/Voltage stabiliser indoor/ outdoor type of capacity 160 kVA to 200kVA

All as per Item No. 1.00 to 1.11 herein before but but transformer/Voltage stabiliser indoor/ outdoor type of capacity 50 to 150 KVA

Filtration of transformer oil of transformers/ FRMUs installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as directed by the Engineer-in-Charge.

Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer/ OCB/ FRMUs etc at various locations complete all as directed by the Engineer-in-Charge. Note : (i) Test certificate from manufacturer of oil shall be provided by the contractor. (ii) Supply shall be given in sealed containers and empty containers shall be Govt Property.

M&L for rewinding of distribution (HT/LT) transformers of capacity ( 50 KVA to 500 KVA)/ type by winding the defective coils with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as directed. [Note: M&L for re-insulation of serviceable coils will be measured & paid separately under relevant items.]

M&L for re-insulating windings of HT/ LT distribution transformers of capacity ( 50 KVA to 500 KVA) / size/ type by strip opening of HT/ LT coils (i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete, removing the old defective insulation paper and replacing with new DPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and as directed by Engr-in- charge.

M&L for replacement of silica gel breather assembly for HT/ LT distribution transformers of capacity 250 to 500 KVA including dismantling old one

All as per Srl item no 8 here-in-before but of capacity 160 to 200 KVA

All as per Srl item no 8 here-in-before but of capacity 50 to 150 KVA

M&L for replacement gun metal drain valves of transformers of following capacities including dismantling old one:- MAKE :- UPADHYAY/ LEADER/ ZOLOTO/ VAG

250 to 500 KVA

160 to 200 KVA

50 to 150 KVA

M&L for replacement of the HT porcelain bushings complete of 50 to 500 KVA capacity distribution transformers of existing transformer make/ size/ type all as directed including dismantling old one.

Supply and replacement of defective/burnt out LT bush suitable for indoor/outdoor transformer existing including metal rings, bolts, washers, rubber rings etc. complete of following capacity distribution transformers of any make/ size/ type all as directed including dismantling old one.

250 to 500 KVA

160 to 200 KVA

50 to 150 KVA

Supply and replacement of defective HT 11 KV brass stud with hexazonal brass nut 02 Nos suitable for indoor/outdoor transformer any capacity complete all as specified and directed.

Supply and replacement of defective/burnt out LT stud made out of gunmetal with threading & of suitable Length/ Size all as per existing including metal rings/ bolts washers/ Rubber rings suitable indoor/outdoor transformer all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer:-

250 to 500 KVA

160 to 200 KVA

50 to 150 KVA

M & Labour mild steel (MS) flat iron clamp size 50 X 6 mm with 3 Nos nuts, bolts and 06 Washers support for LT/ HT cable protection pipe/ XLPE cable support with electric pole or any all as specified and directed by Engineer-In-Charge.

M&L for replacement of (OTI) Oil Temperature indicator of 50 to 500 KVA distribution transformers including dismantling old one.

M&L for providing new cable box made out of MS sheet of thickness not less than 5 mm including fabrication works, welding etc. to suit the existing transformer size, including nuts, bolts, cable glands, termination of existing cables etc., all as directd by the Engineer-in-charge for the following capacity transformers:

160 to 500 KVA

50 to 150 KVA

M&L for preparation of old painted surfaces of transformers and spray painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint or as approved colour including writing of transformer details on plinth in white enamel paint on black enamel paint back ground complete including one coat of white wash for base foundation all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer:-

315 KVA to 500 KVA

250 to 300KVA

100 to 200 KVA

50 to 63 KVA

Clearing of bushes/small plants upto root level around and surroundings areas E/M installations (i.e.Two Pole/ Four structures, outdoor-substation yards & Misc E/M installations etc) including spraying of chemical for anti-vegetation growth as approved, surface dressing n.exc 15 cm deep averaging and removing debris to a distance n.exc 50m complete all as directed

M&L for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out the but transformer indoor/ outdoor type of capacity 11 KV/ 0.433 KV, step down , including lifting/ shifting , transporting, handling to the place from where removed or to any location as directed and re-installing the transformer carefully including connecting primary/ secondary/ neutral connections etc. all as directed by Engr-in-Charge.

Disconnect and taking out the Numeric/ Microprocessor based relay/IDMT relay of any type of any Make from 11 KV HT panel, cleaning the contacts, calibrating the relay by conducting secondary injection tests, checking of current transformer, rectification of defects in control wiring for proper tripping of circuit breakers through CTs and relay and tripping coils, adjustment/setting to plug and time multiplier settings of the relay to achieve the descrimination in tripping, tune/synchronise upstream breaker relay settings, re-installation of relay, testing & commissioning etc complete all as specified and as directed. Note: The Contractor has to arrange necessary testing Kits, testing equipments, tools etc and shall also submit detailed test reports, panel wise, duly spiral bound. Rental rates for the testing/calibration kits & connected equipments are deemed to be included in the quoted rate. Testing & tuning shall be carried out in the presence of representative of the Department, to the satisfaction of the Department.

Taking down HT switch gear (Vacuum circuit breaker ) of capacity 11 KV up to 800 A comprising of following repairs, overhauling, servicing and refixing the same after repairs/ overhauling: Details of SM/MES/SR Nos of equipments likely to be repaired are enclosed as per Appx 'A1' to particular specifications.

Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling

Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.

Servicing/Inspecting/checking of circuit spout and cicuit spout connections for RYB phases and replacement of spares if required.

Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc.

Setting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper setting of auxiliary contacts operating mechanism.

Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.

Checking, setting and adjustment of lowering and raising operation of the breaker trolley.

Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly.

The inspection of HT switch gear shall involve:- (i) Inspection of truck & hoist assembly. (ii) Inspection of tank assembly & barriers. (iii) Inspection of assembly & components of solenoid assembly. (iv) Inspection of assembly & components of dependent mechanism. (v) Inspection of assembly & components of spring box mechanism. (vi) Inspection of motor mechanism spring charge assembly (vii) Inspection of assembly of trip unit & related components

Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of VCB panels with approved colour all as per exisitng etc. to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. (ii) Major spares like Breaker bushings, vaccum interrupture assly, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, tank assly/barriers, solenoid spares, dependent/spring mechainsm/ motor mechanism, trip unit etc will be measured and paid separately under relevant items of Schedule 'A'. However the rate quoted shall be deemed to include for any other minor spares require replacement.(iii) the servicing shall be carried out as per norms of OEM (iv) Servicing of VCB/OCB shall be carried out by contractor through the authorized dealer/ rep of the manufacturer. (v) Necessary test certificate of servicing shall be issued by the authorized dealer/ rep with two year guarantee supported by contractor affidavit.

Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 11 KV HT panel repair of make: Kirloskar/ABB/Alstom/CG work under relevant Schedule

Supply only 1.5 sqmm flexible PVC stranded copper conductor cable, unsheathed, 1100 V grade for control wiring.

Supply only 2.5 sqmm flexible PVC stranded copper conductor cable, unsheathed, 1100 V grade for control wiring.

LED Indication Lamps

LED type push button actuators

Shunt trip coil 30 V DC/110 V DC

Supply and installation Current transformer Resin Cast Window Type CT, CTR : 300-150/5-5A, Core1 : CL 5P10, 10 VA, @150/5 A, CL 5P10, 10 VA, @300/5 A, Core2 : CL 0.5, 15 VA, @150/5 A, CL 0.5, 15 VA, @300/5 A, STR : 18.4KA/1 SEC, Frequency: 50 Hz, BIL : 12/ 28/ 75 KV, Insulation Class: B, Ref Std.: IS 2705, Secondary Terminals on P2 Side, Type : WOUND

Breaker control switch

Breaker bushing contact

Vacuum interrupter assembly

Bus bar Spout

Circuit spout

Control circuit fuses 2 A to 63 A

HRC fuse (PT HT side)

PT plug contact

Spring charging motor with gear assembly. Make: Bosch or as per OEM make

Ammeter 240 deg analog type.

Voltmeter 240 deg analog type.

Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, KVARh etc.) Class 0.5 with RS485 port for communication in Modbus protocol.Make : L&T, Conzerve, HPL (SOCOMEC), CG.

Rachet handwheel with gear assembly

S&F in repair Master Trip Relay suitable for 11 KV HT panel for protection system . Make: Model VAJH23 of schneinder(AREVA)/equivalent of ABB/Siemens/CG

S&F in repair DC Supervision Relay suitable for 11 KV HT panel for protection system . Make: Model VAA11 of schneinder(AREVA)/equivalent of ABB/Siemens/CG

S&F in repair Auxiliary Relay suitable for 11 KV HT panel for protection system . Make: Model VAA33 of schneinder(AREVA)/equivalent of ABB/Siemens/CG

Suply and fixing of Transformer Oil Pump Model 1205D,0.5HP, [email protected], 80x80NB fo 66KV transformer including taking out old one all as per directed by Engineer-In-Charge.

Supply and fixing of metal oxide surge arrester rated voltage of 60kv,Discharge current 10kA,rated frequency50Hz,Pressure relief class 40KA(RMS) ModelZAQ-60-S-M Make OBLUM as per sample produce and directed by Engineer incharge

Supply only Extruded PG Clamp Cable To Cable Range: Dog, Panther Material : Aluminum

Supply only Rigid Type IPS Tube Connector for the Equipment Connection Range: 2”,2.5”,3”,4” IPS Tube Material : Aluminum

Supply only Aluminium tube terminal long barrel for XLPE cable of size 6 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 10 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 16 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 25 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 35 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 50 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 70 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 95 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 120 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 150 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 185 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 240 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only Aluminium tube terminal long barrel for XLPE cable of size 300 Sqmm. Make :- Dowells/ Action or equvalent specified make

Supply only self adhesive PVC Electrical insulation tape thickness 0.125 MM width 25 MM length 25 mtr Make:- Kinjal or equivalent specified make.

Supply only self adhesive PVC Electrical insulation tape thickness 0.125 MM width 40 MM length 25 mtr Make:- Kinjal or equivalent specified make.

Supply only Aluminum lugs suitable for LT cable of size 16 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 25 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 35 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 50 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 70 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 95 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 120 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 150 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 185 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 240 Sqmm complete all as specified and directed.

Supply only Aluminum lugs suitable for LT cable of size 300 Sqmm complete all as specified and directed.

S&F in repairs male and female contact made out of brass copper alloy suitable for gang operated device 11 KV 200 Amps/400 Amps complete all as specified and directed.

Supply and fixing aluminium strip having size 50 x 6mm complete all as specified and directed.

Supply & fixing in replacement Cable terminal box outdoor type (heat shrinkable type) HT 11 KV suitable for 3 core 50-95sqmm, HT XLPE cable incl all jointing material and testing complete all as specified.

Supply & fixing in replacement Cable terminal box outdoor type (heat shrinkable type) HT 11 KV suitable for 3 core 120-185 sqmm, HT XLPE cable incl all jointing material and testing complete all as specified.

Excavation in trenches n. exc. 1.5 metre wide and n. exc. 1.5 metre in depth for foundation and getting out in any type of soil complete all as specified and directed.

Returning, filling in, including spreading, watering and well ramming in layers not exceeding 25 cm thick in any type of soil complete all as specified and directed.

Removing excavated material (soil) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

M&L Dry sand cushioning to UG cable 8 cm thick before laying and 15cm thick after laying complete all as specified and directed. Note:- 1.Dry fine sand of best available quality shall be used. 2.Punned thickness shall be made and paid.

Material and labour for sub class 'B' bricks well burnt old size laid dry flat for protection of cable complete all as spd and directed.

M & L for brick work with sub class 'B' bricks well burnt old size straight or curved on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and directed.

M & L for earth filling under floors ,spreading /leveling in layers n exc 25 cm thick and well ramming including watering as per requirement complete all as specified and directed.

M & L for MS work with hand rails ,half round or other stock section ,drilled and countersunk for balusters running bars,including embeding in concrete and screwing etc , struts in fencing including cutting tops to shape as directed ,drilling holes ,notching for wire etc,flat iron fillets (for securing wire mesh/XPM net etc) including all necessary drilling ,bolting or riveting and similar work conforming ton Fe--290 Gde E-165 complete all as specified and directed.

M & L for XPM net fencing with 4 mm dia GI wire welded steel wire fabric supplied and fixed complete to steel memers n exc 4 kg complete all as specified and directed.

M & L for cement concrete 1:2:4 type B-2 (40 mm graded crushed stone aggregate), 100 mm thick complete all as specified and directed.

M & L for 15 mm thick cement plaster in cement mortar 1:4 on fair faces of brick work finished even and smooth without using extra cement surfaces complete all as specified and directed.

M & L for applying two coats of synthetic black paint on steel surfaces including one coat of red oxide primer complete all as specified and directed.

M&L for PCC 1:2:4 type B2 using 40 mm graded broken stone aggregate as in mass concrete in foundations filling etc complete all as specified and directed .

M & L PCC 1:4:8 type D-2 using 40mm grade stone aggregates as in foundation and mass concrete for foundation concrete of poles complete all as specified and directed.

Taking down ol Unserviceable HT cable any size all as directed by Engineer-In-Charge.

Supply, laying & testing cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured HT electric power cable (heavy duty) 11000 volts grade with alumn conductor 6.35 KV (UE)/11 KV (E) grade, cross sectional area 95 Sqmm 3 core as per IS-7098 suitable for earth system laid in trenches all as specified and direcetd by the Engr-in-Charge.

Dismantling air break gang operated switches triple pole vertical/ horizontal mounted including isulators and opretaing mechanism for replacment all as directed.

Supply and fixing Air brake gang operated switch HT 11 KV , TP with 09 insulators, 200 Amps capacity currents rating with 06 post insulators type dropout fuse assembly on 11 kv insulators with fuse carriers & fuse element mounted on steel frame horizontally operated rotary type, with operating mechanism consisting of operating rod 25 bore light grade GI pipe of suitable length worked from ground level and applying of Greece for moving parts and Jelly for male and female contact parts with locking arrangement with 7 lever lock 3 key, FI clamps 50mmx6mm including MS channels MC-100 for fixing GOD unit including nuts, bolts, and washers all as specified and directed.

M&L anti climbing device, spikes type fabricated out of MS bars (round/square/flat) including nuts,bolts, washers and welding in two halves made to shape to suit the cross section of the pole including dismantling old one complete all as specified.

S&F danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts, nuts of approved size for HT 25x20 cm size including dismantling old one complete all as specified.

Taking down existing unserviceable Lightning arrestor and S&F HT lightening arrestor metal oxide type (gap less) heavy duty single pole for 11 KV overhead line , suitable for 12 KV rated highest system voltage, long duration distribution discharge class type, IP 55 Degree of protection, 100(kVp) at 65 kA High current impulse withstand voltage and 9 KV Arrestor rating with normal discharge current of 10 KA complete with all fittings conforming to IS: 3070 part-3 effectively connected with earthing system complete all as specified and directed by Engr-in-Charge. Note:- Manufacturer's Test certificate for lighting arrestor shall be produced before claiming for payment.

M&L for fixing in repairs Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required with galvanised iron strip 32x6 mm including dismantling old one complete all as specified.

M&L for fixing in repairs Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required with 4mm dia galvanised iron or steel wire including dismantling old one complete all as specified.

Material and labour earthing with steel earth plate electrode of size 600x600x6mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full length of earth plate, GI medium grade pipe 40 mm bore protection pipe upto test point, 20mm dia GI light grade watering pipe with funnel and wire mesh, RCC pit cover of size 300x300x40mm reinforced with XPM having weight not less than 4Kg/sqmm including 6mm thick MS bar handle made to shape, PCC pit with 1:3:6 type C1 with angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, excavation , earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in electrical plate No 3 of SI- Part-I and all as specified or indicated including testing on completion.NOTE :-Rates inclusive of necessary excavation in any type of soil, earth work, PCC pit, RCC cover, funnel with watering pipe, GI earth strip upto 7.5 m long for connecting to test point etc. all as required at site for complete earthing) and dismantling old defective earthpit.

Earthing complete with galvanized steel earth plate electrode 600x600x6 mm thick buried directly in ground (Earth pit not less than 2.25 Mtr deep below normal ground level )with top edge of the plate not less than 1.5 Mtr below normal ground level connecting with galvanized iron GI earth wire 4mm dia by means of bolt nut check nuts and washers of galvanized iron and provision of GI tubing medium grade (ISI marked)of size 15mm for protection of GI earth wire upto test point, 20mm dia GI light grade watering pipe with funnel and wire mesh, RCC pit cover of size 300x300x40mm reinforced with XPM having weight not less than 4Kg/sqmm including 6mm thick MS bar handle made to shape, PCC pit with 1:3:6 type C1 with angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, excavation , earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in electrical plate No 3 of SI- Part-I and all as specified or indicated including testing on completion.NOTE :-Rates inclusive of necessary excavation in any type of soil, earth work, PCC pit, RCC cover, funnel with watering pipe, GI earth strip upto 7.5 m long for connecting to test point etc. all as required at site for complete earthing) and dismantling old defective earthpit. .

Material and labour earthing with copper plate 600×600 ×3.15mm thick electrode and 20×3mm copper strip as earthing lead, buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to20×3mm copper strip as earthing lead by means of nuts, bolts and washers of steel after brazing copper strip to earth electrode to the full length of earth plate, GI medium grade pipe 40 mm bore protection pipe upto test point, 20mm dia GI light grade watering pipe with funnel and wire mesh, RCC pit cover of size 300x300x40mm reinforced with XPM having weight not less than 4Kg/sqm including 6mm thick MS bar handle made to shape, PCC pit with 1:3:6 type C1 with angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, excavation , earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in electrical plate No 3 of SI- Part-I and all as specified or indicated including testing on completion.NOTE :-Rates inclusive of necessary excavation in any type of soil, earth work, PCC pit, RCC cover, funnel with watering pipe,Copper earth strip upto 7.5 m long for connecting to test point etc. all as required at site for complete earthing) and dismantling old defective earthpit.

Notes : The Schedule of Credit amount shall be deducted from the total of this schedule(BoQ) to arrive at Contract Sum.

INDIA ELECTRIC WORKS

SATISH AND CO