REPAIR/ MAINTENANCE OF SUB STATION EQUIPMENT PANEL AND VACUUM CIRCUIT BREAKER, RELAYS, MEASURING METERS, AND PREVENTIVE ROUTINE MAINTENANCE OF CAPACITOR BANK, APFC PANELS AT ELECTRIC SUPPLY INSTALLATION AT COD CHHEOKI UNDER GE WEST PRAYAGRAJ.

Amount

Material and labour for inspection/servicing /testing two time in contract period by HT expert of 03 Nos. SF 6 Breaker/VCB of line circuit breaker, control panel including CT, PT and relays in control panel of Indoor type SF 6 Gas Circuit Breaker/VCB of capacity upto 800 Amps and rating 36 KV complete as details mentioned as under:- (a) Details of servicing of breaker :- (i) Checking of Closing/Tripping coil assembly (ii) Adjustment of mechanism if required. (iii) Clean the circuit breaker to remove dust and dirt. (iv) Apply a small amount of oil to rotary sections, sliding surfaces, pins, coupling section, etc.use grease for the operating shaft and bearings, and machine oil for other parts. (v) Check for rust and wear. (vi) Checking of spring charge mechanism (vii) Visual check for rust and deformation. (viii) Check for loosened bolts and nuts, broken spring washers and snap pins etc. (ix) Check for loosened connections, rust, damaged lead wires. (x) Checking of control circuit & tighten the connections if any. (xi) Check close & trip coil. (xii) Replacement of Dashpot/shock absorbers . (xiii) Replacement of carbon brush of spring charging motor (xiv) Cleaning of porcelain bushing (xv) Checking of limit switch

(b) The following test shall be carried out:- (i) Primary Injection Test of outdoor CT / PT (ii) Closing & Opening Timing Test for all three poles. (iii) IR Test with megger in open and closed condition. (iv) Contact resistance test for all three poles (v) Closing coil resistance (vi) Tripping coil resistance. (c) Testing of following relays of control panel with Secondary Injection Kit ,checking and programming of relay :- (i) Over current and earth fault relay (ii) Line differential relay (d) Testing of following Aux relay:- (i) DC Supply supervision relay. (ii) Trip Circuit supervision relay (ii) SF 6 gas pressure low. (iii) PT Fuse failure relay (iv) Master trip relay (v) Under voltage relay (vi) Over voltage relay Note:- (i) Test report shall be laminated to control panel of respective breaker. (ii) The wk shall be carried out from auth Rep/ Engineer of CG/ABB. (iii) Calibration of relays to be done from qualified engineer of CG/ABB. (iv) The parts shall be replace under relevant item of supply only.

Supply only bushbar spout for Crompton make trolley mechanism 11 KV VCB, complete all as specified & directed

Supply only charging gear for Crompton make trolley mechanism 11 KV VCB, complete all as specified & directed

Supply only operating mechanism for breaker 11 KV VCB complete all as specified & directed Make. ABB/CG

Supply only teflon hexagonal interlocking bush complete interlocking with strip complete all as specified & directed

Supply only on Push button complete all as specified & directed

Supply only OFF push button complete all as specified & directed

Supply only ON/OFF Indicator complete all as specified & directed

Supply only OFF load isolator with earth switch mechanism complete all as specified & directed

Supply only Z type lever of OFF push button complete all as specified & directed

Supply only Z type lever of ON push button complete all as specified & directed

Supply only trip coil only Y1 control volt 24 VDC complete all as specified & directed

Supply only close coil only Y2 control volt 24 VDC complete all as specified & directed

Supply only spring charging motor with gear 24 VDC complete all as specified & directed

Supply only standard spring charging motorised kit for V module complete all as specified & directed

Supply only bus bar bottle of vacuum circuit breaker complete all as specified & directed

M&L for in replacement current transformer, indoor comprising of 3 Nos single phase resin cast CTs of 300-150/5+5 amps ratio, PS class, with suitable VA burden and accuracy suitable for protection & metering of 11 KV VCB panel complete ass as specified & directed.

M&L for in replacement PT three Nos single phase potential transformer of ratio 11 KV/110 volts, class 1, suitable for VA burden mounted on extended frame of VCB including mounting structure complete all as specified and directed. Note : (i) All the instruments, primary and secondary injection kit and T&P required for the above job shall be arranged by the contractor at site and cost is deemed to be included in the above rate. (ii) The above checking, inspection, installation and testing work shall be performed by HT expert/Engineer.

S&F in replacement of ACB 4 pole of size 630 Amp , in the existing out door/indoor LT panels and connection with using aluminum lugs/ferruls including disconnection & connection of cable and making necessary alteration in panel/door using welding work and cutting as required for proper fixing & connection complete all as specified and directed.

Disconnecting & dismantling of damaged/unsv cable any type /make and Supply & laying cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor using lugs both end of cable& wrapping pvc tape over XLPE insulation cable and testing complete all as directed for following size :- (Note :- Excavation & earth work, sand cushioning, bricks protection & GI pipe where required shall be measured & paid separately)

50 Sqmm 3.5 core

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

240 Sqmm 3.5 core

400 Sqmm 3.5 core

Excavation in trenches not exc 1.5 Mtr wide and n.exc 1.5 mtr in depth, getting out for electric cable complete in any type of soil complete all as specified & directed.

Returning, filling in, soil obtained from excavation including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified & directed.

Removing surplus excavated soil to a distance n.exc 50 mtr and depositing where directed at a level n. exc 1.5 mtr above starting point complete all as specified & directed.

Supply and laying sub class 'B' bricks laid dry and flat across the length of cable for protection of cable complete all as specified and directed.

M & L for sand cushioning with Ganga Sand to underground cable (8 cm thick before laying and 15 cm thick after laying the cable complete all as specified & directed. Note:- Punned thickness of sand shall be measured for payment.

M&L for boring under road horizontely of size 40/50 mm bore using GI pipe for passing of cable in road/path in hard/soft/ loose soil complete all as specified and directed.

M&L in replacement for GI tubing 'light grade' of 50 mm dia with all necessary fittings laid in trenches/under road crossing/fixed on pole/wall/under floor including suitable mild steel FI clamps complete all as specified & directed.

M&L in replacement for GI tubing 'light grade' of 80 mm dia with all necessary fittings laid in trenches/under road crossing/fixed on pole/wall/under floor including suitable mild steel FI clamps complete all as specified & directed.

Dismantling & taking out defective LT PVC/XLPE cable from trenches with cutting and removing defective parts and supply & making cable joint of size 25 Sqmm 3.5 core to 70 Sqmm, 3.5 core using straight through joint Heat shrink type and making connection of LT cables, meggering & restoration of electric supply complete including jointing material complete all as specified & directed.

Dismantling & taking out defective LT PVC/XLPE cable from trenches with cutting and removing defective parts and supply & making cable joint of size 95 Sqmm 3.5 core to 240 Sqmm 3.5 core using straight through joint Heat shrink type and making connection of LT cables, meggering & restoration of electric supply complete including jointing material complete all as specified & directed.

S&F in replacement of following items in the existing panel / location and connection with using aluminum lugs/ ferrule including making necessary alteration in panel/door as required for proper fixing & connection complete all as specified and directed :-

MCCB 4 pole 100 amps rating, 16 KA breaking capacity, with separator at both side

MCCB 4 pole 150/160 amps rating, 36 KA breaking capacity, with separator at both side

MCCB 4 pole 200 amps rating, 36 KA breaking capacity, with separator at both side

MCCB 4 pole 250 amps rating, 36 KA breaking capacity with spreader at both side

MCCB 4 pole 400 amps rating, 36 KA breaking capacity with spreader at bothe side

Supply, fixing ( in replacement ), connecting to electrical system & testing of Busbar panel board ,cubical type for out door use, made out of 3.15 mm thick CRCA sheet factory made, totally enclosed of size not less that 900x600x500mm and supported with 4 Nos MS Angle legs , duly painted with two coats of powder coated paint over one coat of red oxide primer effectively PVC gasket and sealed mounted on PCC blocks double door type with locking arrangement with handle at front and operable at front &back bothe side with required hinges heavy duty, compartemtalised suitably including provision for tapping incoming & outgoing electric connections with suitable size of aluminium lugs glands and comprising of the following accessories :-

(a) High conductivity aluminium busbar (Set of 4 strips), 4 Nos TPN of 400 amps rating (RYB) for phase and 1 No for neutral mounted on DMC support with heat shrink sleeve-1 Set. , (b) Phase indication lamp, LED type(set of 3) -1 Set (c) Ammeter anolog type having measuring range (0-300) Amps with CTs etc including rotary switch to measure load of each phase : L&T/Seimens (d) Replacement of volt meter having measuring range (0-500) volt with rotary switch to measure voltage of phase R.Y.B make : L&T/AE (e) Grouting of panel including earth work as required PCC (1:3:6) type D-2 using 20 mm gradeded stone & plastering with (1:4 )cement sand etc complete. (f) MCCB 4 Pole 250 Amp 415 volt thermal adjustable ,type with 25 KA breaking capacity & spreader both side as Incomming control device : 01 Nos.

M&L for checking all connections and mechanism, cleaning, servicing, overhauling, testing complete and repair for at automatic power factor correction panel (APFC) upto 35/50/70/200 KVAR by taking out 4mv heavy duty capacitor banks of existing rating/Size/Stepping's 3 Phase 415 suitable for having losses not less than 0.5 w/KVAR with discharge registers. Including Replacement of minor/major parts if required for smooth functioning complete all as specified & directed by Engi-in-charge. NOTE:- (i) Cost of major/minor parts required for replacement shall be measured and paid separately as supply only . (ii) All the instruments and T&P required for the above jobs shall be arranged by the contractor at site and cost of the deemed to be included in the above rates. (iii) The all above checking, inspection, installation & testing work shall be performed by authorised manufacturer or expert electrical engineer of company.

Supply only capacitor 5 KVAR capacity Make : L&T/Schneider electric or as approved.

Supply only capacitor 7.5 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only capacitor 10 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only capacitor 12.5 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only capacitor 15 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only capacitor 20 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only capacitor 25 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only capacitor 50 KVAR capacity Make : L&T/Schneider electric/or as approved.

Supply only MCCB TPN 160 Amp, 25 KA capacity Make : L&T/Schneider electric/or as approved.

Supply only MCCB TPN 200 Amp, 25 KA capacity Make : L&T/Schneider electric/or as approved.

Supply only MCCB TPN 250 Amp, 25 KA capacity Make : L&T/Schneider electric/or as approved.

Supply only LED phase indicator lamp.

Supply only contactor having current lighting resistors suitable for capacitor Switching off variable KVAR correctiong of specification as approved.

Supply only Varlogic APFC Relays of existing size/capacity step of five complete all as specified and directed

Supply only Rotary Switch 5KVAR to 10 KVAR

Supply only Rotary Switch 12.5KVAR to 20 KVAR

S&F High conductivity aluminium busbar (Set of 4 strips), 4 Nos TPN of 150/250/400 amps rating (RYB) for phase and 1 No for neutral mounted on DMC support with heat shrink sleeve complete all as specified and directed.

S&F in replacement of on load /offload Changeover rotary handle type in the existing out door/indoor LT panels/wall and connection with using aluminum lugs/ferruls incl disconnection & connection of cable and making necessary alteration in panel/door/wall using cutting/ chasing as required for proper fixing & connection complete all as specified and directed.

On Load Change over switch of 200 Amp, 4 Pole

On Load Change over switch of 300/320 Amp, 4 Pole

On Load Change over switch of 400 Amp, 4 Pole

On Load Change over switch of 600 Amp, 4 Pole

Off Load Change over switch of 200 Amp, 4 Pole

Off Load Change over switch of 400 Amp, 4 Pole

Supply, fixing ,commissioning and testing of outdoor type automatic power factor correction (APFC) panel for 3 phase ,415 Volt & 50Hz system of capacity 100KVAR with including foundation of panel ,voltmeter , ammeter and indicator complete all as specified and directed by Engr-in-charge.

Earthing complete with galvanised steel earth plate electrode 600x600x6mm thick directly burried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of earth plate not less than 1.5metre below the ground level connected to GI strip 32x6 mm by means of bolts nuts check nuts and washers of galvanised iron at 2 points & GI pipe 40 mm bore medium grade for protection of earth strip, PCC chamber 1:3:6 (type C-1) using 20mm graded stone aggregate, funnel with wire mesh, 50 mm thick cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8 mm MS bars at 150 mm centre to centre both ways, CI frame and charcoal dust and common salt, all as shown in electrical plate No. 3 of MES SSR part-I and making test point as specified including excavation & earth work in any type of soil and connecting the earthing to an earthing point/equipment as specified and directed& testing on completion. NOTES : (i) The concrete pit shall be made in PCC 1:3:6 type C-1, using 20mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover. (ii) Item includes the cost of 7.5 metre GI pipe for protection of earth strip. Any variation in length shall be adjusted through deviation order (iii) Items includes cost of 7.5 metre earth lead strip. Any variation in length shall be adjusted through deviation order. (iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides

M&L for spreading and levelling evenly (any thickness) hard core using 40mm graded stone aggregate at sub-station complete all as specified & directed

Supply, laying & testing cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed . Note:- Jointing Kit Shall not be three month old from date of manufacturing.

Supply, laying & testing cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed . Note:- Jointing Kit Shall not be three month old from date of manufacturing.

Supply, laying & testing cable jointing kit for 11 KV (earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed . Note:- Jointing Kit Shall not be three month old from date of manufacturing.

Supply, laying & testing cable jointing kit for 11 KV (earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm complete all as specified and directed . Note:- Jointing Kit Shall not be three month old from date of manufacturing.

Inspecting, checking (All connections and Mechanism ) cleaning, servicing, overhauling , testing, calibrating the relays (IDMT, over current and earth fault) complete of 11 KV Vaccum circuit breakers indoor type, 400 Amps capacity including following works :- . (a) Taking out incoming and outgoing HT 11 KV, 3 Core cables from the electric system and reconnecting the incoming and outgoing HT Cables complete of both panels. (b) All the connections of control wiring availability of proper DC supply and AC supply , incoming and outgoing connections and tightening them , cleaning the contacts and terminal with CTC solution and using the blower for dusting operation, raising and lowering mechanism. Note :- (i) Servicing, checking and caliberation of VCB shall be carried out by the representative of OEM only using primary and secondary injection kit. (ii) All the test record for proper tripping of CTs, raising and lowering operation mechanism and proper tripping system of over current and earth fault relay shall be mentioned and signed by the contractor, Engineer-in-Charge and representative of OEM shall be produced before allowing payment to the contractor.

Schedule of Credit (MINUS) Rs. 83551.00 B/F from Serial Page No. [Note : Details of items for schedule of credit is given on Srl Page No. ] This amount shall be automatically deducted to arrive at tendered sum

M/s RAM LAKHAN GUPTA (BID ID -3068800)