Upkeep of electrical external services including EM installations at NAD and MO Goa under GE Gomantak Vasco

Amount

Excavation in trenches in disintegrated rock, n exc 1.5 m wide and n exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying of pipe line/ cable etc. n exc 10 sqm on plan and getting out complete all as specified and as directed.

M&L for local fine sand cushioning with dry and clean over and under the cable for protection of cable, 80 mm sand laid before laying the cable 150 mm sand after laying the cable and punned down complete all as directed

Supply and laying un-reinforced precast concrete cable cover factory made as per IS 5820-1970, class HV type 1 of size 300 mm x 180 mm x 40 mm as in cable protection complete all as specified and directed.

Returning filling in including spreading watering and well raming in layer excedding 25 cm each in any type of soil/rock complete all as specified and directed.

Removing excavated soil/rock of any type to a distance not exceeding 50 m and deposited where directed at a level not exceeding 1.5m above the starting point complete all as directed.

S&L in replacement XLPE LT UG cable PVC insulated, PVC bedded, galvanised steel strip armoured heavy duty electric cable 1100 volts grade with aluminum conductor of 50 Sq mm 3.5 core laid in trenches or fixed on wall/floor/poles complete all as specified and directed.

All as per item No. 6 above but 95 Sq mm 3.5 core cable

All as per item No. 6 above but 120 Sq mm 3.5 core cable

All as per item No. 6 above but 185 Sq mm 3.5 core cable

All as per item No. 6 above but 240 Sq mm 3.5 core cable

S&L in replacement XLPE HT UG cable PVC insulated, screened, bedded, galvanised steel strip armoured heavy duty electric cable 11 KV grade with aluminum conductor cross sectional area 95 Sq mm 3 core laid in trenches or fixed on wall/floor/poles complete all as specified and directed.

Material and labour for replacement of GI tubing light grade 80 mm bore for passing through cables laid under the floor, along the wall or along the pole complete all as specified and directed .

Supply & laying double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 50 mm inner dia and 63 mm outer dia complete all as directed.

Supply & laying double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 75 mm inner dia and 90 mm outer dia complete all as directed.

S&F in repair sheet moulding compound junction box (SMC) suitable for terminating 2 Nos 4 x 6/ 10/ 16 Sqmm UG cable including one in Nos MCB SP 0.5 Amps including cable glandes 2 Nos and two way connector 1 No complete all as specified and directed. Note : MS Clamp, nut, bolt and washer measured and paid seperately. Make : Sintex/ Hensel/National

S&F in replacement of existing unsv cable joints with Cable jointing kit for HT cable, 11 KV (Earthed) grade cable for indoor termination complete with jointing material and accessories suitable for 95 Sqmm 3 core XLPE armoured aluminium conductor cable of size complete all as directed. Note:- Rate quoted including necessary excavation, returning filling, removal etc for taking out loop/ cutting of burnt cable for required length for making end joint.

S&F in replacement of existing unsv cable joints with Cable jointing kit for HT cable, 11 KV (Earthed) grade cable for outdoor end termination complete with jointing material and accessories suitable for 95 Sqmm 3 core XLPE armoured aluminium conductor cable of size complete all as directed. Note:- Rate quoted including necessary excavation, returning filling, removal etc for taking out loop/ cutting of burnt cable for required length for making end joint.

S&F in replacement of existing unsv cable joints with straight through joints (heat shrinkable) any type suitable for XLPE 11 KV aluminium conductor cable of size 95 to 120 Sqmm 3 core and testing after jointing complete all as directed. Note:- Rate quoted including necessary excavation, returning filling, removal etc for taking out loop/ cutting of burnt cable for required length for making end joint.

All as per item No. 18 above but cable size 35 to 50 Sqmm 3.5 core, 1100 volts

All as per item No. 18 above but cable size 70 to 120 Sqmm 3.5 core, 1100 volts

All as per item No. 18 above but cable size 185 to 240 Sqmm 3.5 core, 1100 volts

S&F in replacement MCCB 100 Amps, 415 volts, 50 Hz, 3 pole, 16 KA breaking capacity with thermal magnetic setting including providing suitable size aluminium lugs, speders complete all as specified and directed.

All as per item No. 22 but MCCB 160 Amps, 3 pole, 36 KA

All as per item No. 22 but MCCB 250 Amps, 4 pole, 36 KA

All as per item No. 22 but MCCB 400 Amps, 4 pole, 36 KA

Disconnecting HT/LT cable and earthing connections of burnt/ defective transformer of capacity 315 to 500 KVA, 11 KV/433 volts 3 phase from pole/ floor mounted, taking out from site of installation carefully with the help of Crane and transportation of the same to workshop for replacement/ draining out the transformer oil, dismantling complete and taking out the core assembly and removing burnt out windings, dehydrating the core assembly, reassembling transformer after repair, replacement of complete gasket set, refilling the oil duly filtered/ dehydrated, topping up with new oil, carrying out routine tests, welding work, leakage repairing and complete servicing including transportation back to site, testing and commissioning of the repaired transformer at site on full load after making cable and earthing connections complete all as specified and as directed. Note :- Rewinding, New transformer oil, Dehydration of transformer oil, LT /HT bushings/studs shall be measured and paid separately.

All as per item No. 26 here in before but 100 to 250 KVA transformer

M&L for rewinding of HT winding of limbs of transformer 315 to 500 KVA with Copper strip of suitable size/gauge, fixing the coil in position in core assembly and making connection as per original pattern including providing insulation, varnish, all as specified and as directed

All as per item No. 28 here in before but 100 to 250 KVA transformer

M&L for rewinding of LT winding of limbs of transformer 315 to 500 KVA with Copper strip of suitable size/gauge, fixing the coil in position in core assembly and making connection as per original pattern including providing insulation, varnish, all as specified and as directed

All as per item No. 30 here in before but 100 to 250 KVA transformer

S&F in replacement of brass metal studs nut & washers suitable for 11 KV HT side of transformer upto 800 KVA all as specified and as directed

S&F in replacement of brass metal studs nut & washers suitable for 11 KV LT side of transformer upto 800 KVA all as specified and as directed

S&F in replacement of HT bushing suitable for upto 800 KVA Transformer complete all as specified and as directed

S&F in replacement of LT bushing suitable for upto 800 KVA Transformer complete all as specified and as directed

S&F Temperature gauge suitable size for transformer of capacity 800 KVA all as specified and as directed

Supply and filling breather silica gel of superior quality for transformer breather all as specified and as directed

S&F in replacement of transparent PVC material breather assembly for transformer upto 800 KVA capacity all as specified and as directed.

M&L for filtration & dehydration of transformer oil by Ultra High Vacuum Double stage machine to remove impurities from oil such as moisture, dirt, air and other gases and to improve BDV upto 50 KV at 2.5 mm air gap all as specified and as directed. Note: Transformer oil filtration & dehydration by Ultra High Vacuum Double stage machine shall be done on existing installation place on same day.

M&L for new transformer oil for topping up or for replacement in Transformers /Servo Voltage stabilizer complete all as specified and as directed Note: Oil shall be in company sealed barrel having BDV not less than 60 KV

M&L for servicing of LT oil cooled voltage servo stabilizer up to 500 KVA of any make at NAD/MO Goa sub station which includes disconnecting, removing old grease, re-greasing of moving parts, checking and servicing the voltage regulation, sychronizing motor, contactor or relays, carbon bush, displays and all electric circuits complete all as specified and directed.

M&L for preparation of old painted surface of installation by removing all dirt, dust, grease, oil etc and painting complete surface including connected accessories with one coat of synthetic enamel paint of approved colour including writing of identification Nos, capacity etc of transformers upto 800 KVA all as directed.

M&L for shifting of transformer from one site to another in case of emergency by disconnecting HT/LT cable and earthing connections of transformer of capacity 200 to 500 KVA, 11 KV/433 volts 3 phase, floor mounted incl. making all electrical connections at the place of installation complete all as specified and as directed. Notes :- (i) The rate for transport up to 10 Km and lifting of transformer by crane is deemed to be included in the rate quoted. (ii) The rate is deemed to be inclusive for disconnection & making connnections of transformer as required.

M&L for preparation of old painted surface of LT panel by removing all dust etc. and painting complete surface including connected accessories with one coat of synthetic enamel paint of approved colour including of identification etc all as directed

Servicing and repair/maintenance of APFC panel Board heavy duty auto/manual operation including repair/ replacement of fuses, fuse link, contacts, current transformers and checking, replacing of defective control wiring if any replacement of defective cable lugs, patch work welding, replacement of defective door hinges including painting with two coat of sythetic enamel paint over one coat of red oxide primer etc. and testing and commissioning complete for upto 100 KVAR all as specified and directed

S&F in replacement power factor correction capacitors Heavy duty for 3 phase, 440 V, 50 HZ, AC electric supply system for permissible non-linear load 15% of 5 KVAR capacity as per existing make and model/type complete all as specified and directed.

All as per item No. 46 here in before but for 7.5 KVAR capacity

All as per item No. 46 here in before but for 10 KVAR capacity

All as per item No. 46 here in before but for 15 KVAR capacity

All as per item No. 46 here in before but for 25 KVAR capacity

S&F in replacement 8 stage intelligent APFC controller, CT secondary 5 Amps, 415V, microprocessor based with programable sequence controller, fault indicator, power factor indicator complete all as specified and directed.

M&L for earthing complete with galvanised steel plate electrode 600mm x 600mm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mts deep below ground level with top edge of the plate not less than 1.50 Mtrs below ground level connected to glavanised iron strip 25 x 4 mm by means of bolts, nuts check nuts and washers of galvanised iron or steel connected to earthing test point all as specified incl GI tubing medium grade and necessary fitting for protection of GI wire incl laying of charcoal dust and common salt in alternate layer, PCC Pit (1:3:6) type C-1 using 20 mm graded stone aggregate, RCC cover 40mm thick (1:2:4) type B-0 using 12.5 mm graded stone aggregate reinforced with 6 mm dia round bar @ 75 mm C/C both ways with MS handle 8 mm dia, plastering 15 mm thick CM (1:6) externally upto 150mm below ground level, GI funnel with 20mm dia medium grade GI pipe for watering and wire mesh incl. excavation and earth work and disposal of surplus soil complete all as specified and shown on electrical plate No 3 of SSR Part (2009) and connected to earth test point incl testing complete all as specified an directed. Note:- The unit rate includes the cost of GI pipe medium grade for protection of earth wire and earth strip upto 7.5 M.

S&F in replacement Heavy gang operated triple pole mechanically operated air break on load disconnecting switch each pole consist of galvanised iron base HT 11KV with polymer insulators per phase non ferrous knife and spring loaded contact GI pipe of adequate length for operation from ground level and operating handle with nut, bolt, and washers complete in both OFF and ON position capacity 200 Amps complete all as specified & directed. Make: National Power/Jaipuria/ABB/Oblum

S&F in replacement 11 KV Heavy Drop Out Fuse triple pole complete in each pole consist of galvanised iron base HT 11KV with polymer insulators including nut, bolt, and washers complete all as specified and directed. Make: National Power/Jaipuria/ABB/Oblum

S&F in replacement HT 11 KV Disc type insulator with hardware, single disc assembly, polymeric insulator, vitreous 145 mm high and 255 mm dia, socket type complete all as specified and directed. Make: National Power/Jaipuria/ABB/Oblum

S&F in replacement Pin type polymer insulator including one galvanised mild steel spindle two GI washers and one GI iron nut 150 mm high, 150 mm dia for 11 KV grade complete all as specified and directed. Make: National Power/Jaipuria/ABB/Oblum

S&F in replacement lightening arrestor HT 11 KV pole mounting with polymeric insulator complete with all fittings transmission class nominal discharge current upto 65 KA complete all as specified and directed.

M&L for servicing of 11 KV Indoor Vaccum Circuit Breaker (VCB) of any make at NAD/MO Goa sub station including disconnecting, removing old grease, re-greasing of moving parts with recommended grease and checking of the entire breaker trolley mechanism, checking of the closing and tripping time in milli seconds using high precision time scope timer, measurements of contact resistance and insulation values, cleaning the complete VCB by opening front and back doors, tightening of cable connections, checking & repairing the current circuit panel wiring, relay etc. and re-assembling & re-installing the VCB back to its original position including testing and commissioning after completion of work complete all as specified and as directed. NOTE : The cost for minor spares such as operating handles, screws, nuts, bolts, washers indicating lamps, lamp holders, HRC fuses, fuse carriers etc. shall be included in the rate quoted for the item. Servicing shall be carried out as per manufacturer recommended checklist.

M&L for detection of fault through fault locating high voltage mobile machine to locate the fault in 11 KV HT cable by giving high voltage surge and to find out excact location of fault complete all as specified & directed. Note :- Excavation and earth work will be measured and paid for searately in respective item of sch.

M&L for preparation of old painted surface of HT concrete pole by removing all dirt, dust etc. and painting complete surface including connected accessories with one coat of Apex emulsion paint of approved colour including cross arms/bracing support on poles painted with one coat of Aluminium paint and writing of pole Nos etc. complete all as directed

M&L for preparation of old painted surface of LT concrete pole by removing all dirt, dust etc. and painting complete surface including connected accessories with one coat of Apex emulsion paint of approved colour including cross arms/bracing support on poles painted with one coat of Aluminium paint and writing of pole Nos etc. complete all as directed

M&L for servicing of 2/4 pole structure, GOD and DO fuses, jumpers, insulators and applying petroleum jelly on GOD after removing carbon, dust etc. complete all as specified and directed.

S and G Constructions (BID ID -3283898)