CA NO CWE/PM/N-18/2021-22

Amount

Excavation in trenches in soft/loose soil not exc. 1.5 mtr wide and not exc. 1.5 mtr deep and getting out for taking out/laying cable pole & stay etc including taking out old precast concrete cover complete, all as specified and as directed by Engineer-in-Charge.

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

Removal of excavated surplus soil to a distance not exc. 50 mtr away and depositing where directed at a level not exc. 1.5 mtr above the starting point complete, all as specified and as directed by Engineer-in-Charge.

M&L for sand cushioning to under ground cable provided with layer of sand (8 cm deep before laying the cable and 15 cm deep after laying the cable) i.e total 23 cm and after punning down sand cushioning will be 18 cm complete, all as specified and as directed by Engineer-in-Charge.

M&L for precast concrete cover class HV type 1, flat size 300mm X 180mm X 40 mm laid in trenches for cable protection complete, all as specified and as directed by Engineer-in-Charge.

Re-Laying only old but serviceable precast concrete cover class HV type 1, flat size 300mm X 180mm X 40 mm laid in trenches for cable cover protection with cable cover retreived from Srl No 1 here in before complete, all as specified and as directed by Engineer-in-Charge.

Supply, laying testing and commissioning in replacement trenches/ passing through pipes/ on poles etc cable XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor 11000 volts, grade of size of cable 300 sqmm 3 core suitable for earthed system including taking out unsrviceable cable complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 7 here in before but size 185 sqmm 3 core complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 7 here in before but size 120 sqmm 3 core complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 7 here in before but size 95 sqmm 3 core complete, all as specified and as directed by Engineer-in-Charge.

M&L for defect rectification HT 11 KV cable laid in trenches by locating fault with the help of electronic fault locating machine comprising of surge generator pulse, ECHO fault locator with high frequency distance calculator etc including and additional excavation in normal alluvial strata required for exposing the cable fault : removal of deteriorated portion of cable treating of cable and keeping the same ready for jointing work for cable of size upto 300 sqmm 3 core. The fault locating equipments will be brought to site within an hours of instrutions from Engineer-in-Charge complete, all as specified and as directed by Engineer-in-Charge.

Supply and jointing straight through heat shrink joint complete with jointing material suitable for HT 11 KV XLPE cable of size 300 sqmm 3 core complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 12 here in before but suitable for cable size 185 sqmm complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 12 here in before but suitable for cable size 95 sqmm complete, all as specified and as directed by Engineer-in-Charge.

Supply and jointing heat shrinkable end termination outdoor joint with jointing material suitable for HT 11 KV XLPE cable of size 240 to 300 Sqmm 3 core complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 15 here in before but 120-185 sqmm complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 15 here in before but 50-95 sqmm complete, all as specified and as directed by Engineer-in-Charge.

Supply and jointing heat shrinkable end termination indoor joint with jointing material suitable for HT 11 KV XLPE cable of size 240 to 300 Sqmm 3 core complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 18 here in before but 120-185 sqmm complete, all as specified and as directed by Engineer-in-Charge.

All as per item No 18 here in before but 50-95 sqmm complete, all as specified and as directed by Engineer-in-Charge.

Taking out trolley of vaccum circuit breaker 630/800 Amps 11 KV from the cabinet and opening top cover, de-carbonizing moving and fixed contacts if required, lubricating, inspecting the wiring of micro processor EF/OC relay, tripping coil electrical and checking for manual/auto trippin system complete and placing back the breaker trolley in its original position complete wiring complete, all as specified and as directed by Engineer-in-Charge. Note: (i) The various unsv items required to be replaced shall be paid seperately under item No 22.00 to 29.00 (ii) Calibration of relays shall be paid saperately item No 30.00.

Supply only for replacement of fixed contact block complete suitable for 630/800 Amps 11 KV HT VCBs complete, all as specified and directed by Engineer-in-Charge.

Supply only for replacement of moving contact block complete suitable for 630/800 Amps 11 KV HT VCBs complete, all as specified and directed by Engineer-in-Charge.

Supply only for replacement of mechanical castle interlock assembly with key suitable for HT 11 KV VCB of rating 630 Amps complete, all as specified and directed by Engineer-in-Charge.

Supply only for replacement of closing coil assembly 230 volts AC/24 Volts DC, complete, all as specified and directed by Engineer-in-Charge.

Supply only for replacement of tripping coil with plunger assembly 230 volts AC/24V DC, complete, all as specified and directed by Engineer-in-Charge.

Supply only for replacement of closing coil plunger with 24 Volts DC, complete, all as specified and directed by Engineer-in-Charge

Supply only for replacement of spout bushing 11 KV for VCB complete, all as specified and directed by Engineer-in-Charge.

Supply only for replacement of HT 11 KV PT HRC Fuse complete, all as specified and directed by Engineer-in-Charge

Callibration of microprocessor E/F and O/C relay of VCB complete and callibrating with portable relay test kit to set time and fault level and adjustment of setting with according to load & time with main grid of Sekhawati/ khaber line for proper functioning complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of vaccum interruptor type WL-33379 (4 inch dia) suitable for Ht VCB 630/800 Amps Make Cromptn Greaves complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement trip push button suitable for HT 11 KV OCB/VCB complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of indicator lamp LED with holder (R/Y/B in colour) complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of CT operated digital ampere meter 0 to 200 Amps flush pattern square type suitable to mounted on existing HT panel complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of shunt trip coil 30 Volts DC for HT OCB/VCB complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement motor and gear assembly 110 volts AC/24V DC UMG-14 type complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement isolating contact assembly suitable for 630 Amps HT VCB complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of Power pack with battery backup minimum time of backup 110V AC/30V DC & connected to HT PT secondary circuit including testing for triping complete, all as specified and directed by Engineer-in-Charge.

Supply installations and testing as in replacement of voltage transformer (PT) 3 phase, resin type of oil fired 3 limb indoor type primary voltage 11 KV and secondary voltage 110 volts type VA class complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement Digital protective 3 phase over current and earth fault relay for HT 11 KV VCB/OCB panel with high set and RS-485 MC61C complete with connection and testing on full load complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement Digital protective 3 phase over current and earth fault relay with high set with CT rrating 5A 2 NO+2NC model MC61A completet for HT KV VCB/OCB panel connection and testing on full load complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of Master trip relay suitable for working voltage 30 Volt DC and connecting the circuit with existing over current and earth fault relas complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of Volt meter 0-15 KV PT operated anlog type of size 150 mm x 150 mm meter suitable to mount on existing HT panel complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of maintenance free fully charged Nickle cadmium battery 42 Ah, 12 volts complete, all as specified and directed by Engineer-in-Charge.

Opening the front and rear cabinate of the RMU 3 way/5 way 630/800 Amps 11 KV de-carbonizing moving and fixed contacts if required, lubricating, checking the pressure of SF-6 gas, inspecting the wiring of micro processor EF/OC relay, tripping coil electrical and checking manual/auto tripping system complete and placing the SF-6 VCB and isolating unit in its original position complete, all as specified and directed by Engineer-in-Charge. Note :- (i) The various unsv items required to be replaced shall be paid seperately under item No 47.00 to 55.00. (ii) Calibration of relays shall be paid seperately under item No 56.00.

Supply only plug in type voltage presence indicator system (VPIS) type WIM for 11 KV, RMU complete, all as specified and directed by Engineer-in-Charge.

Supply only SF-6 Ring Main unit fuse 11 KV by opening fuse canisters of RMU positioned behind interlocking cover complete, all as specified and directed by Engineer-in-Charge.

Supply only terminal contact piece with silicon coupling for SF-6Ring Main unit 11 KV by opening the terminal cover complete, all as specified and directed by Engineer-in-Charge.

Supply only pressure indicator manometer for SF-6 Ring Main unit 11 KV by opening the front cover complete, all as specified and directed by Engineer-in-Charge.

Supply only ring type current transformer 100/1 Amps for SF-6 Ring Main unit 11 KV by opening he cable compartment cover of fixed the CT on cable elbow plug/T plug complete, all as specified and directed by Engineer-in-Charge.

Supply only ring type current transformer 50/1 Amps for SF-6 Ring Main unit 11 KV by opening he cable compartment cover of fixed the CT on cable elbow plug/T plug complete, all as specified and directed by Engineer-in-Charge.

Supply only SF-6 gas in safe ring/safe plus by SF-6 gas botlle by removing front cover and on screw manometer and reduction valve and maintained the pressure 14 bar obslute complete, all as specified and directed by Engineer-in-Charge.

Supply only Trifurcation boot 11 KV capacity for cable termination joint of RMU incoming and outgoing terminals including taking out old defective trifurcation boot complete, all as specified and directed by Engineer-in-Charge

Supply only HT bushing with gasting for SF-6 Ring Main unit 11 KV complete, all as specified and directed by Engineer-in-Charge

Callibration of microprocessor E/F and O/C relay of RMU complete and callibrating with portable relay test kit to set time and fault level and adjustment of setting with according to load & time with main tech area power house including replacement of relay battery for proper functioning complete, all as specified and directed by Engineer-in-Charge.

S & F in replacement of earth fault protection and indicator relay for Ring Main unit including calibrating the relay with existing load and tripping timing complete, all as specified and directed by Engineer-in-Charge.

Disconnecting HT/LT sides of defective transformer indoor/outdoor installed on 2/4 pole structure/PCC foundation of any capacity upto 800 KVA and then drainage of complete transformer oil. Opening of top cover with due care and removal of all HT/LT winding connections from bushing and then lifting of core by means of tripod and chain pulley with due care for inspection and ascertain it's serviceability state after keeping it aside. Removal of all sludge and unwanted material from tank and core, lowering of core assembly after carrying out required repairs to the winding and core. In case the repairs which ae not possible at site then the transformer has to be taken to the workshop for repairs complete, all as specified and dirceted by Engineer-in-Charge. Note :- The following items will be measured and paid seprately under relevants items of the Sch 'A' (i) The cost of transportation. (ii) the cost of rewinding HT/LT coils. (iii) The cost of dehydration/filteration. (iv) The cost of transformer oil toping up/replaced any spares required for making transformer serviceable.

Material and Labour for replacement of worn out HT copper (limb) made out of super enameled copper wire all as per existing size and shape including all insulating, requisite insulating paper/material in each layer of binding. Varnishing and baking in vaccum furnace complete, all as specified and directed by Engineer-in-Charge

Material and Labour for replacement of worn out LT copper (limb) made out of super enameled copper strip all as per existing size and shape including all insulating, binding, varnishing and baking in vaccum furnace complete, all as specified and directed by Engineer-in-Charge

Material and Labour for replacement of worn out bushing rod made out of copper/brass with heavy duty double nuts and one washer at both ends suitable for HT side all as existing size, shape and length suitable for transformers of capacity 100 to 400 KVA complete, all as specified and directed by Engineer-in-Charge.

All as per item No 61 here in before but the transformer of capacity 500 to 800 KVA complete, all as specified and directed by Engineer-in-Charge.

Material and Labour for replacement of worn out bushing rod made out of copper/brash with heavy duty double nuts and one washer at both ends suitable for LT side all as existing size, shape and lenght suitable for transformers of capacity 100 to 400 KVA complete, all as specified and directed by Engineer-in-Charge.

All as per item No 63 here in before but the transformer of capacity 500 to 800 KVA complete, all as specified and directed by Engineer-in-Charge.

Disconnecting HT/LT sides of defective transformer indoor/outdoor installed PCC foundation of any capacity upto 800 KVA and then drainage of transformer oil upto bushing, opening of top cover and find out leakage/sepage of transformer oil from body/fins carrying out required repairs such as replaement of top gasket, HT/LT bushing, bushing gasket/ tap changer and refilling the transformer oil after repair complete, all as specified and dirceted by Engineer-in-Charge. Note :- Cost of bushing, top cover gasket and tap changer will be measured and paid separately under relevent item of the Sch 'A'.

Material and Labour for replacement of worn out rubberized cork sheet 4 mm thick for transformer top cover all as required at site and as directed by Engineer-in-Charge suitable for transformers of capacity 100 to 400 KVA complete, all as specified and directed by Engineer-in-Charge

All as per item No 66 above here in before but the transformer of capacity 500 to 800 KVA complete, all as specified and directed by Engineer-in-Charge.

Dehydration/Filteration of transformer oil means centrifuging machine electrically operated to remove moisture and chemical contains of oil at site of instalation of transformer in running condition including testing of transformer oil before and after filteration by means of oil testing machine, keeping the electrodes at 2.5 mm gap and to acheive die electric strength filtered oil 40 KV and above complete, all as specified and directed by Engineer-in-Charge.

Transportation of transformer to workshop from site of installation for repairs including loading and unloading of transformer and reinstalled the transformer at site from where it was taken for repairs including connecting all HT/LT connections complete, all as specified and directed by Engineer-in-Charge.

Supply and topping up/replaced of transformer oil conforming to IS : 335 and with stand electric strength of 60 KV (when tested with 2.5 Gap electrode) in transformer complete, all as specified and directed by Engineer-in-Charge.

Preparation of old surface of transformer for painting externally including fins/radiators removal all rust/oil/grease and unwanted material and then two coats of synthetic enamle paint by means of spray gun at site of installation of transformer including writing SM No & cap of transformer complete, all as directed by Engineer-in-Charge suitable for transformers of capacity 100 to 400 KV complete, all as directed by Engineer-in-Charge.

All as per item No 71 here in before but the transformer of capacity 500 to 800 KVA complete, all as specified and directed by Engineer-in-Charge.

Material and Labour for replacement of worn out breather with silica gel all as per existing sample suitable for transformers of capacity 100 to 400 KVA complete, all as specified and directed by Engineer-in-Charge.

All as per item No 73 here in before but the transformer of capacity 500 to 800 KVA complete, all as specified and directed by Engineer-in-Charge.

Material and Labour for replacement of worn out off load tap changer stat and connecting with existing winding to match the ratio of tap position as per existing sample suitable for transformers of capacity 100 to 400 KVA complete, all as specified and directed by Engineer-in-Charge.

All as per item No 75 here in before but the transformer of capacity 500 to 800 KVA complete, all as specified and directed by Engineer-in-Charge.

Material and Labour for oil temperature guage suitable for transformers all as per existing shape and size for any make and model transformers all as specified and directed including taking out old guage complete, all as specified and directed by Engineer-in-Charge.

Dismantling and opening of existing servo voltage stablizer 100 KVA to 250 KVA with disconnection of al incoming and outgoing connection with taking proper safety measure, drain out insulating oil if required and servicing of stablizer including greasing of the mechanical gear, servicing of motor with replacement of mechanical part, replacement of all wiring and PCB circuits for maintaining input bariation between 340 V to 460 V with output voltage stablized at 415 with accuracy +(-) 2.5% and speed of correction 8 V per second replacing the digital voltmeter and Ammeter, auto adjustment setting complete, all as specified and directed by Engineer-in-Charge. Note :- The rate quoted against this item shall include :- (a) Testing and adjusting of springs, contacts, all control circuits. (b) The cost of any minor parts such as springs, nuts, bolts, terminal blocks etc which are not included in the Sch 'A' item No 75 above. (c) Any brazing and welding if need to the control system or the body.

Supply only micro processor based control card suitable for 150 to 180 KVA complete, all as specified and directed by Engineer-in-Charge.

Dimmer stat unit 200 Amps sitable for 180 KVA servo stablizers existing make and model complete, all as specified and directed by Engineer-in-Charge.

Electronic circuitcard (PCB) suitable for 180 KVAServo stablizers complete, all as specified and directed by Engineer-in-Charge.

Material and Labour for replacement spreading/ levelling coarse broken stone aggregate of 40 mm size evenly in Switch Yard and surroundings of transformer complete, all as specified and directed by Engineer-in-Charge.

Supply and fixing cable route indicator made out of PCC 1:2:4 of size length 30 cm, width / thickness - 15 cm and height 100 cm reinforced with 8 mm dia at 8 cms centre to centre on LT cable 1 meter depth grouted in the ground with suitable PCC work with writing MES HT cable joint complete, all as specified and directed by Engineer-in-Charge

Supply & Fixing danger notice plate of 1.6mm thick mild steel, vitreous enamelled white, with letter, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete, all as specified and directed by Engineer-in-Charge.

M&L for earthing complete with copper earth plate electric 60 cm x 60 cm x 3.15mm buried directly and vertically in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to Copper strip 20 x 3 mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised steel and including necessary earth work execution in any type of latent rock, PCC 1:3:6 type C2 chamber and chamber cover 50mm (PCC 1:2:4) with 8 mm dia CTD reinforcement watering pipe 20mm dia GI, protection pipe for copper strip 40mm dia GI light grade, salt, coal, magnesium sulphate and water funnel etc complete all as per electrical plate No 3 of SSR Part I complete, all as specified and directed by Engineer-in-Charge. (To obtained earth resistance value and prepare test sheet of newly constructed earth pit shall be responsibility of contractor ) Note :- If the desired earth resistance as per equipment requirement is not obtained the earthing shall be re-done by contractor without any extra cost to Govt.

Commercial Traders

PRASAD ELECTRICALS

Ridhi engineers and builders

M/S Anand Enterprises