RERAIR/ MAINT OF ELECTRICAL SUB STATION HT/LT CABLE, TRANSFORMER, DG SET, VCB AND CONNECTED WORKS AT TP AF STN DIGARU(2nd CALL)

Amount

SCHEDULE 'A' PART-I (B/R PORTION)

Dismantling and taking up steel poles/ struts of any size with all accessories like cross arms, bracing supports clamps etc. complete aii as directed.

Supply and errect in true vertical position GI Steel tubular swaged poles 11 m long with GI base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-55 complete all as specified and directed. Note: Earth work and PCC foundation etc shall be measured and paid seperately under relevant item.

M&L for mild steel cross arms, bracing, supports, clamps and back plates fabricated from structural steel section including nuts, bolts washers, welding, bending cold or hot, drilling holes for bolts in any shape/size as directed including painting with two coats of synthetic enamel paint of approved colour over a coat red oxide primer complete all as specified and as directed.

Dismantling of ACSR conductor any size service feeder or distributor span from its existing position and keeping in safe custody the serviceable one for reuse complete all as directed.

Supply, stringing and fixing on existing/new HT poles, ACSR conductor of any type/ size including fixing to insulators with binding wire complete all as specified and directed.

Fixing only ACSR conductor of any size complete all as directed. (Note: Serviceable ACSR conductor obtained from dismantling shall be reused)

Dismantling stay assembly complete as directed.

M&L for stay assembly with 20mm dia stay rod and all accessories as shown in electrical plate No 1 including loop type insulator, stay clamp, wire 7/4mm , complete all as specified and directed. Note:- Excavation /earth work and concrete work shall be measured and paid separately under relvant items.

S&F and fix in repair Galvanised stay strand, 7/3.15mm

S&F danger notice plate of 1.6 m thick mild steel sheet, vitreous enameled white with letter, figures and conventional skull & bones in signal red colour & fixed with MS clamps, bolts, nuts of approved size, for HT of size 25 x 20 cm, complete all as specified and as directed.

M&L for painting to 11 m HT steel pole with cross arms and clamps etc with two coats of aluminium paint after preparation of surfaces including pole numbering and marking alternate black and yellow strip of width 30 cm with fluorescent paint above 1.5 m from GL, complete all as directed by Engr-in charge.

M&L for painting to HT concrete pole with two coats of white cement base paint after preparation of surfaces and cross arms with clamps shall be painted with two coats of aluminium paint after preparation of surfaces including pole numbering and marking alternate black and yellow strip of width 30 cm with fluorescent paint above 1.5 m from GL, complete all as directed by Engr-in charge.

Dehydration of HV/EHV grade transformer oil minimum three cycles to achieve dielectric strength not less than 40 KV for 1 minute with 2.5 mm gap as per IS-335-1983 for EHV grade including topping up with new transformer oil all as directed. Note:(i) Centrifuging machine with all T & P & testing machine of oil required for dehydration shall be arranged by the Contractor. (ii) Oil required for topping up the transformer shall be measured and paid separately.

Supply and replacement or topping up of transformer oil EHV as per IS 335 of 1983 Part II after dehydration and testing complete all as specified and directed.

M&L for replacement of worn out aluminium strip of size 25 x 3.15 mm with saddles.

Supply only HV bushing of transformer with brass metal connecting rod, nut bolt and washer, suitable for 100 KVA to 1000 KVA capacity of transformer, 11000 Volt as per IS 3347/1967 complete all as specified and directed.

Supply only LV bushing of transformer with brass metal connecting rod, nut bolt and washer, suitable for 100 KVA to 1000 KVA capacity of transformer, 1100 Volt as per IS 3347/1967 complete all as specified and directed.

Supply & replacement of silica gel crystal for any type and capacity of transformer all as specified and directed.

S&F in repair Silica gel breather assembly complete with silica gel crystal complete for the transformer of capacity 100 KVA to 1000 KVA all as specified and directed.

Earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm buried directly in ground vertically at a depth not less than 2.25 m below normal ground level with top edge of earth plate at a depth not less than 1.5 m below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filled in alternate layers etc and connected to and including 32 x 6 mm GI strip upto 7.5 m by means of bolts, nuts, check nuts and washers made of galvanised iron and protected by light grade 20 mm dia GI pipe connected to main control board and GI pipe medium grade 40 mm bore for watering and including funnel, wire mesh, charcoal salt etc RCC pit cover flush to earth pit 50 mm thick reinforced with 8 mm TMT bar 100 mm C/C and PCC chamber pit with PCC (1:3:6) type C1 (using 20 mm graded aggregate) including excavation and earthwork disposal of surplus soil to distance not exceeding 50 m) and testing after completion all as specified and shown on plate No 3 of SSR Part-I 2009

S&F or laid in trenches GI pipe light grade 100 mm bore for cable protection including all fittings, suitable clamps complete all as specified and directed.

S&F or laid in trenches GI pipe light grade 80 mm bore for cable protection including all fittings, suitable clamps complete all as specified and directed.

Cleaning of area including uprooting of weeds/ grass and removing creepers from fencing or poles and brooming the complete area of sub station (area not exceeding 100 sqm) , around panels, transformer and four pole structure all as directed.

Cutting tree branches and trimming upto 6" girth touching the over head lines, cleaning the spaces at least 2 m both side of OH line, removing the cut branches to a distance not exc 50 m and depositing where directed complete.

M&L for painting to transformer outer body of capacity 1000 KVA after cleaning and preparation of old painted surfaces by spray painting as per existing colour all as directed.

M&L for loose filling with broken stone aggregate of size 80 to 100 mm in outdoor sub station all as directed by Engr-in charge.

Repairing and servicing (Oiling and greasing) of gang operated switch 11 KV vertical/ Horizontal mounted and replacing defective parts including replacement of unserviceable spare parts as required for smooth functioning of AB switch, testing for its proper operation, complete all as directed at site. (Note : Spares shall be measured and paid separately as supply only.

Supply only Male Contact/ moving contact blade heavy duty high conductive metal cap 200/400 amp 11 KV

Supply only Female contact/ Fix contact jaw heavy duty high conductive metal cap 200/400 amp 11KV.

Supply only Tinned copper flexible jumper 200/400 Amps.

M&L for replacement of GI pipe medium grade, 25 mm dia suitable for operating rod of air break switch with smooth operation all as specified and directed.

Disconnecting and taking out worn out jumpers/ connectors of HT over head line / DO fuse unit in sub stations of any size or length after removing binding wire / connector and replacing with the new ACSR weasel conductor jumpers including PVC sleeve in colour coding R/Y/B of same size and length approx 1.5 m including new binding wire / connectors suitable for AB switch/ DO fuse unit, including providing mineral jelly all as specified and directed by Engr-in charge.

S&F and fix in replacement lightning arresters 11 KV grade, thyrester type complete with all fittings, transmission class, discharge capacity 65 KA.

S&F in replacement Disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green, single disc assembly for tension with tension clamp for conductor, working pressure 11000 volts grade complete.

S&F in replacement Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height, 150 mm dia for 11000 volts grade complete.

Supply and install HT 11 KV outdoor gang operated air break switch suitable for horizontal or vertical mounting with drop out fuse having 12 insulators of rating upto 200 Amps, including dismantling unserviceable air breaker complete all as specified and directed.

S&F Cable route indicator for HT cable.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for out door termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for out door termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm.

Taking out unserviceable 11KV, HT UG cable from existing trenches/duct/ HT poles of size 95 to 185 sqmm including disconnecting, PCC covers, GI Pipe etc. of any descriptions, segregation of serviceable materials viz PCC cable cover, GI Pipes, UG cables etc. and tracing the location of fault and keeping in safe custody for re-use complete all as directed NOTE : (i) Earth work shall be measured and paid for separately under relevent items. (ii) Serviceable cable covers, cables and GI pipes shall be kept aside for re-use.

Laying only serviceable HT cable XLPE insulated with aluminium conductor of size from 95 to 185 sqmm, 3 core, 11000 volts grade complete all as directed.

Laying only old serviceable Concrete cable cover in trenches for under ground cable protection complete all as specified and directed.

Supply, laying, jointing and testing of electric power cable, heavy duty 11KV (E) grade, XLPE insulated, screened, bedded, galvanised steel strip or wire armoured with aluminium conductor of cross sectional area of 95 sqmm, 3 core, laid in trenches/cable duct complete all as specified and as directed.

Supply, laying, jointing and testing of electric power cable, heavy duty 11KV (E) grade, XLPE insulated, screened, bedded, galvanised steel strip or wire armoured with aluminium conductor of cross sectional area of 185 sqmm, 3 core, laid in trenches/cable duct complete all as specified and as directed.

Supply and spreading dry sand of approved quality for cushioning of UG cable laid in trenches all as specified and directed. (NOTE : For the purpose of Payment, Punned thickness of Sand Cushioning only shall be measured and paid for).

Excavation in trenches n exc 1.5 m wide and n exc 1.5 m deep and getting out in soft / loose soil complete all as specified and directed.

Returning, filling in soft/loose soil, including, spreading, levelling, watering and well ramming in layers not exc. 25 cm complete all as specified and directed.

Removing excavated materials (soils) not exc 50.00 m and depositing where directed at a level not exc 1.50 m above the starting point in soil, complete all as specified and as directed.

Disconnecting and taking out existing HT 11 KV VCBs of any make from housing and cleaning, rubbing and overhauling the mechanical parts and servicing of 11 KV indoor VCB, checking of quality of vaccum interrupter, insulation resistances, static contact resistance, testing (IR value, Ratio test, Polarity test) and connection verification of 11 KV current transformer (Set of three) by PRIMARY INJECTION KIT, and testing and calibration of relay (set of two over current and one earth fault) by SECONDARY INJECTION KIT including all other functional tests of VCB, C&R panel and CTs, PTs complete all as directed.

Supply, connecting and testing tripping coil DC 24 V for 11 KV VCB including taking out of old coil .

S&F in replacement of breaker charging motor including Gear assembly 110 volt AC of 11 KV VCB panel complete all as specified and directed.

S&F in replacement of 3 phase Voltmeter square type digital of size 96 sqmm of range 0 to 15 KV PT ratio 11 KV/110 Volt for panel complete all as specified and directed.

Taking out unserviceable micro processor base relay and supply, install, testing and commissoining of Micro processor base relay IDMT type (02 O/C+01 EF) for 11 KV VCB panel, rating 5 Amps, Auxiliary supply 20-110 Volt DC complete all specified and directed. Make: L &T, Model No:MC61Anx

S&F in replacement of 11 KV panel indicating lamp fitting LED type suitable for 110 Volt/ 230 volt AC complete with base, complete all as specified.

Taking out old unserviceable burnt indoor CT and supply, install, testing and commissioning of 11KV, indoor CT freq 50 hz Type wound, 15VA/CL 0.5, 15VA/CL.5P10, Term-1S1-1S2:60/1A,2SI-2S2:60/1A as per existing make.

Taking out old unserviceable burnt indoor PT and Supply, install, testing and commissioning of 11KV, indoor PT (voltage transformer) ratio 11KV/RT3/110V/RT3/110V/Type phase to earth as per existing make.

S&F in replacement of HT 11 KV Busbar pin type vitreous white, brown or green insulator including nut washer all as specified and directed.

S&F in replacement of strep heater suitable for 11 KV VCB of cap 80 W.

M&L for PCC (1:4:8) type D2 (using 40 mm graded crushed stone aggregate) as in foundation complete all as specified and as directed.

M&L for PCC (1:2:4) type B1 (using 20 mm graded crushed stone aggregates) as in coping including necessary formwork finished even and smooth using extra cement complete all as specified and as directed.

S&F in replacement of expulsion fuse single pole of cap 25 to 50 Amp for 11000 volt grade.

S&F in replacement of DO (Expulsion type fuse) 11000 V current rating 50 to 100 Amp.

S&F Rubber mat of 1 m x 2 m x 19 mm thick.

Taking out HT incoming and out going connection from HT bus bar panel and painting the panel with two coats of synthetic enamel paint by spray painting as per existing colour including preparation of surfaces, and minor repair as necessary and refixing of HT incoming and out going connection complete all as specified and directed.

M&L for maintenance and servicing DG set of capacity 500 KVA Model-KTA-19-G9 through the OEM of M/S Cuimmns or authorised dealer of M/S Cuimmns (As per MOU) for following plants and equipments by servicing / replacement of any type of spare parts as under:- (a) Separator fuel water-2 Nos (b) Element lub oil filter-2 Nos (c) Element oil by pass filter-2 Nos (d) Element CRN Resistor-1 No (e) Switch pressure-2 Nos (f) Radwash corrosion-10 ltr (g) Display control-01 Nos (h) Delivery charge (j) Valoline premium Blue 7600-55 ltr

Maintenance and servicing of DG Set panel of capacity 500 KVA Model-KTA-19-G9 through the OEM of M/S Powerica or authorised dealer of M/s Powerica (As per MOU) and rectifiy to Synchronising problem of DG Set.

M&L for replacement of the under mentioned spares parts of DG set of capacity 500 KVA, Make : Cuimmns

Fuel pipe (fuel filter to fuel pump)

Fuel pipe (feed pump to filter)

Banjo bolt

V Belt existing sizes

Rubber hose for main air pipe

Hose (water pump inlet pipe to radiator outlet)

Worm drive hose clip

Hose pipe to water pump

Upper clamp for pipe

Lower clamp for pipe

Pipe (Radiator to pump inlet)

Hose from thermostat to radiator

Hose for make up water line

Jupiter worm drive clamp

Fuel pipe return

M&L for MCCB 415 Volt, 16 KA, 4 Pole of Cap 63 Amp including taking down existing unserviceable MCCB, all as specified and directed

M&L for MCCB 415 Volt, 36 KA 4 Pole of Cap 400 Amp, Microprocessor release type, including taking down existing unserviceable MCCB, all as specified and directed

M&L for MCCB 415 Volt, 16 KA 4 Pole of Cap 100 Amp including taking down existing unserviceable MCCB, all as specified and directed

Disconnecting of complete radiator assembly cleaning and descaling of chocked water tubes of radiator Cleaning the fins of the radiator with acid including brazing of worn out copper tube and replacement of the worn out minor spares such plain washer, spring washer, screw, nut bolt, joint rubber complete all as directed.

Replacement of radiator coolant. Make - Castrol

Taking down self starter assembly and replacing of the unserviceable parts i.e. Carbon bush, starting switch, cut out, rewinding of armature and refixing the same after testing, complete all as directed.

M/s JK Jangid and Company

M/S TRADE CENTRE