Repair/ replacement of HT external supply and allied works at AHRR under GE E/M RR Hospital, Delhi Cantt-10

Amount

Servicing, calibration and testing of 11KV HT relay provided with VCBs HT panel of any make and type such as instantaneous earth fault, auxiliary relay, earth fault, under voltage, over current relay and adjustment the time for proper tripping with respect of MES/BSES incoming tripping with the relay testing eqpt by the authorized service engineer and shall submit necessary certificate for the same complete all as specified & directed.

Servicing of HT 11 KV 630 amps VCBs trolley complete from HT panel, opening all covers and cleaning internally and externally all contacts, spring and motor charging mechanism, opening of tripping system including adjustment, tightening & setting of contact male and female & inserting it in its original position & VCB out put side connectivity busbars from CT to cable to be insulated by using HT heat shrinkable sleeve (11000 V grade ) and testing etc. complete including replacement of spare parts as catered in item No 4 to 23 here-in-after by the authorized service engineer of OEM complete all as specified & directed.

Servicing of SF-6 panel circuit breaks including cleaning all parts internally and externally checking of the proper tension of the springs mechanism, tightening of connection of moving/ fixed contract, floating contacts, charging system and checking of SF-6 gas for any leakage and re-fixing it on its original position and including testing by the authorized service engineer of OEM and shall submit necessary certificate for the same complete all as specified & directed. NOTE: The cost of new part if any required to replace is not included in quoted rate and the items are required to be provided by the department.

Supply only Isolate contact assembly suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Auxiliary switch suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Earth contact assembly suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only limit switch assembly suitable for HT 11KV/ 12 KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Closing coil assembly for 11 KV/ 12 KV HT VCB 630 Amp as per existing make and model complete all as specified & directed.

Supply only tripping coil assembly for 11 KV/ 12 KV HT VCB 630 Amp as per existing make and model complete all as specified & directed.

Supply only Tripping/ Closing push button suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only spring charged indicator suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Plug and socket assembly suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Phase barrier with nuts and bolts suitable for HT 11KV/12KV VCB 630 Amps as per existing make complete all as specified & directed.

Supply only support insulator 75 mm dia suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Main shaft inter lock assembly suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Big cam with main shaft suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Big gear assembly suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Small gear assembly suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only Flexible copper connector suitable for HT 11KV/12KV VCB 630 Amps as per existing make and model complete all as specified & directed.

Supply only motor & gear assembly fixing for charging system 220 volts AC/DC or as per new model including all necessary modification suitable for 630 Amps HT VCB as per existing make complete all as specified & directed.

Supply only copper fixed contact, 630 Amps, I-type suitable for 630 Amps HT VCB as per existing make and model complete all as specified & directed.

Supply only copper fixed contact, 630 Amps, T-type suitable for 630 Amps HT VCB as per existing make and model complete all as specified & directed.

Supply only TNC switch suitable for operation of VCB 630 Amp of Crompton Greaves make installed in HT panel 11 KV as per existing make and model complete all as specified & directed.

Supply and fixing in replacement of old space heater, ISI marked suitable for 11KV HT panel, complete all as specified & directed.

Supply and fixing in replacement of old thermostat suitable for 11 KV HT panel complete all as specified & directed.

Supply only transformer oil, low viscosity insulating oil for top up transformer of as per IS-335, complete all as specified & directed. (Note - The oil will be supplied in sealed barrel only.)

Material and labour for testing the dielectric strength of transformer oil of the transformers installed at various sub stn at/on floor/pole before dehydration and dehydrating and filtering the transformer oil with dehydration machine to achieve dielectric strength of the oil up to 50 KV at 2.5 mm gap/ as per IS standard, complete all as specified & directed. Note : The transformer dehydration machine and dielectric strength testing machine shall be arranged/brought by contractor at site and no extra cost shall be paid to the contractor in this effect.

Supply & fixing in replacement HV bushing, suitable for 1000 KVA- 1600 KVA transformer complete with suitable gasket, complete all as specified & directed.

Supply & fixing in replacement LV bushing, suitable for 1000 KVA- 1600 KVA transformer with copper strip along with suitable gasket, complete all as specified & directed.

Supply & fixing in replacement rubber gasket suitable for to 1600 KVA transformer complete all as specified & directed.

S & F in repair Buchholz relay suitable for transformer complete with suitable gasket, complete all as specified & directed.

S & F in replacement of temperature gauge 0 C to 125 C for transformer installed at site with all accessories, complete all as specified & directed.

Supply and fixing in replacement of Air breather assembly complete with fresh blue colour silica gel suitable for indoor/outdoor type transformer of - 1600 KVA capacity, complete all as specified & directed.

All as per srl item No. 33 here-in-before but for transformer capacity 400 to 500 KVA.

All as per srl item No. 33 here-in-before but for transformer capacity 100 to 315 KVA.

M&L for preparing old painted surface of transformer of outdoor / indoor type of capacity 1000 KVA to 1600 KVA, any type, description by cleaning dirt, oil, grease etc., removing the old paint, rust by scratching with wire brush / emery paper etc., after disconnecting HT/LT electric connection from both primary and secondary side of transformer and apply two coat of synthetic enamel spray paint of existing colour on out side body of the transformer and writing of letter HT/LT and SM MES No etc. of cm height and making all HT/LT electric connections and testing the same , complete all as directed. Note: The compressor and spray machine etc. shall be arranged / brought by contractor at site and no extra cost shall be paid to the contractor for the effect.

All as per srl item No. 36 here-in-before but for transformer capacity 400 to 500 KVA.

All as per srl item No. 36 here-in-before but for transformer capacity 100 KVA to 315 KVA.

Supply jointing and testing Indoor type cable end termination joint (heat shrinkable) suitable for HT aluminium conductor cable of size 400 Sqmm x 3 Core, 11 KV (earthed) Volts grade, complete all as specified & directed.

All as per srl item No. 39 here-in-before but suitable for cable size of 240 Sqmm

All as per srl item No. 39 here-in-before but suitable for cable size of 120 to 185 Sqmm

Supply jointing and testing outdoor type cable end termination joint (heat shrinkable) suitable for HT aluminium conductor cable of size 120 to 185 Sqmm x 3 Core, 11 KV (earthed) Volts grade, complete all as specified & directed.

Supply jointing and testing straight through type cable joint (heat shrinkable) suitable for HT aluminium conductor cable of size 400 Sqmm x 3 Core, 11 KV (earthed), complete all as specified & directed.

Supply jointing and testing straight through type cable joint (heat shrinkable) suitable for HT aluminium conductor cable of size 240 Sqmm x 3 Core, 11 KV (earthed), complete all as specified & directed.

All as per srl item No. 44 here-in-before but suitable for cable size of 120 to 185 Sqmm

Supply and fixing in replacement of electric hooter with all accessories suitable for working on HT Panel including using 2.5 Sqmm, FRLS. Multistranded PVC insulated copper cable for connection, complete all as specified & directed.

Taking out old defective underground HT cables from trenches/ floor/ road/ wall/ pipe/ pole of size 400 Sqmm, complete all as specified & directed.

Excavation in trenches in soft/loose soil not exceeding 1.5 meter depth and not exceeding 1.5 meter wide and getting out including trimming of sides complete all as specified & directed.

All as per srl items No. 48 here-in-before but hard/ dense soil

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm thick complete all as specified & directed.

Removal excavated material (soil) not exc 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified & directed.

M&L for sand cushioning with a layer of fine sand 8 cm thick before laying the cable and 15 cm after laying the cable in trenches to cover under ground cable, complete all as specified & directed.

Supplying and laying reinforced precast concrete cable cover , class HV, type 1, flat, size 300mmx180mmx40mm for cable protection complete all as specified & directed.

Supply, laying, testing and commissioning of screened PVC bedded galvanized steel strip or wire armoured XLPE insulated heavy duty 11000 volts grade with stranded aluminum conductor of size 400 Sqmm x 3 core confirming to IS 7098 Part-II, suitable for earthed system complete all as specified & directed. Notes : - 1. The end termination joint shall be measured and paid separately under respective items. 2. Excavation, earth work, sand cushioning and protection cover will be measured and paid off separately.

All as per srl items No. 54 here-in-before but for cable size of 240 Sqmm

All as per srl items No. 54 here-in-before but for cable size of 150 Sqmm

All as per srl items No. 54 here-in-before but for cable size of 120 Sqmm

M&L for Tubes, 'light grade, galvanised, with all fitting; laid in trenches/ poles/ road crossing of size 100 mm dia for protection of power cables complete all as specified & directed.

S & F in replacement of push button with NO/NC contact suitable for capacitor panel complete all as specified & directed.

Supply and fix HT/LT cable route indicator made out of round CI embossed plate 100 mm dia 6 mm thick duly riveted with angle of size 40 x 40 x 6 mm and 60 cm long incl PCC for embedding 1:4:8 type D2 of size 30cmx30cmx30cm complete all as specified & directed.

M& L for Copper strip 20 x 3.15 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified & directed.

Supply and fixing in replacement 11 KV resin cast epoxy type current transformers (CTs) of ratio 100-50/5-5 Amps and class accuracy 0.5/5P10 or as per existing capacity including testing complete all as specified & directed.

Supply, spread, rolled and consolidated to gradient and camber of gravels 100 mm thick, including clearance of existing surface along with making clearance of 2 mtr surface side by side of HT fencing before spreading of gravels complete all as specified & directed.

M&L for preparing old painted steel or iron surfaces of HT/ SF6 Panel any type, description by cleaning dirt, oil, grease etc., removing the old paint, rust by scratching with wire brush/emery paper etc., and apply two coat of synthetic enamel spray paint over a coat of red oxide of existing colour on out side body of the HT/ SF6 Panel and writing of letter SM/MES No etc. of 10 cm height and making all HT/LT electric connections and testing the same complete all as directed. Note: The compressor and spray machine etc. shall be arranged/ brought by contractor at site and no extra cost shall be paid to the contractor for this effect. Volt meter, Ammeter, relays etc. on panel should be covered properly at the time of painting and after painting if any damage to the existing display of any item will be replaced by contractor with out any extra cost)

Taking down old u/s battery bank off capacities and supply, installed, commissioning and testing of 110 V 300 AH capacity VRLA SMF battery bank consisting of 55 (+1) Nos of 02 volts 300 AH capacity complete with copper cable with copper lugs for inter connections, stainless steel nut bolts & washers, powder coated MS stand all as specified and directed.

All as per item ser No 67 here-in-before but Battery bank consisting of 12 Nos batteries 100 AH capacity complete.

S & F in replacement of electronic relay for HT breaker operating voltage 240 V AC/DC, 50/60 Hz with adjustable settings Model No. L / MiCOM P-111 of Schneider including cutting drilling for fix relay in existing panel door as per site requirement complete all as specified & directed.

Ditto as per item ser No 69 here in before but for HT VCB main incomer having part No P127BA0Z112FE1 of Schneider.

Earthing complete with copper plate 60×60cm ×3.15 mm thick electrode, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to 20×3 mm copper strip by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 of SSR part-I, connected to earthing test point all as specified or indicated including testing on completion.

Dismantling air break gang operated with drop out unit off capacities switches vertical/horizontal mounted including insulators and operating mechanism for repair/ replacement of broken/worn out components and insulators complete all as specified & directed.

Supply and Install test and commission HT 11KV suitable for out door type, three phase gange operated air break switch having 3 nos Silicon rubber polymeric insulator on each phase and suitable for working for three phase suitable for vertical mounting fixed type of rating up to 400 A including square bar and GI pipe with suitable length to operate from ground including locking arrangement complete all as specified & directed.

Supply and Install test and commission HT 11KV 160 Amps for suitable for three phase 11 KV system with silicon rubber polymeric insulator type drop out fuses with necessary GI nut, bolts and washers complete all as specified & directed.

M&L for cross arms, bracings, supports, clamps, angle iron, flats and back plates fabricated from MS structural steel sections including nuts, bolts and washers of suitable sizes including welding, bending (cold or hot), drilling holes for bolts in any shape or size as indicated or directed and inclusive of two coats of aluminum paint over one coat of red oxide primer, complete all as specified & directed.

M & L Earthing complete with galvanized steel earth plate electrode 60cmx60cmx6 mm thick buried directly in ground(earth) pit not less than 2.25 meter deep below normal ground level) with top edge of earth plate not less than 1.5 mtr below normal ground level connected to galvanized iron or wire of size 4 mm earthing lead by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Pt-I connected earthing test point/panel complete all as specified & directed including testing on completion.

Fault detection by bringing fault detector machine with skilled tradesmen to detecting the fault at site in the high potential HT cable off sizes , including digging up to showing faults only and marked the place where fault detected complete all as directed.

SANJEEV ENTERPRISES

SNOWY ENGINEERING INC

Ridhi engineers and builders