REPAIR/ MAINTENANCE OF LT SYSTEM INCLUDING APFC PANEL UNDER GE (MCTE) MHOW

Amount

Dismantling & taking out LT burnt cable ends of any size from transformer/ LT panel/ LT feeder pillar/ street light pole box/ trenches any type/ size, for repair/ making suitable for reconnection to cable, providing lugs to burnt end of cables, preparing fresh terminals and reconnection, fixing the removed portion of cable with transformer/ in trenches/ along pole/ panel/ feeder pillar box, including excavation of loop & refilling complete using old bricks and sand returning filling the excavated soil complete all as specified and directed.

M&L for dismantling of of old damaged /cracked PCC coping and prepare the new coping for steel/ PCC pole using PCC 1:3:6 type D-2 with 20mm graded stone aggregate making collar above ground level on existing foundation of pole size 450 x 450 x 300mm high and plastering with1:4 cement sand mixter for smooth look incl curing to achieve the strength and breaking/ removing existing old damaged coping complete all as specified and directed.

Repair of earth pit incl required excavation, earth work and PCC work to make good damaged/ disturbed surfaces of earth pit chamber & making new pit cover of RCC 1:2:4 type B1 using 20mm graded stone aggregate reinforced and lifting handle on RCC cover with 8mm bars at 150mm centre to centre both ways incl supply & fixing of wire mess and funnel including re-connection of earth wire/ strip with panel/ transformer using GI nut, bolts washer complete all as specified and directed

Checking, identifying the defect/ faulty point of LT cable using Cable fault locator machine or by manual excavation and taking out bricks from the trench upto fault point along cable route and re-laying the same using old bricks/ sand incl returning filling and making good surface after rectification of defect complete all as directed for the following length of cable :

(b) 0 - 200 mtr Note- (i) Cable fault locator machine with all T&P required for identifying the faulty point will be arrange by contractor and the cost is included in unit rate for finding of fault using machine or by manualy

Dismantling & taking out defective LT PVC/ XLPE cable from trenches with cutting and removing defective parts and supply & making cable joint using strait through joint Heat shrink type and making connection of LT cables, meggering & re-storation of electric supply complete including jointing material for the following sizes of cable :-

(a) 25 Sqmm 3.5 core to 70 Sqmm, 3.5 core

(b) 95 Sqmm 3.5 core to 240 Sqmm 3.5 core

Trimming/ cutting of tree/ removal of bushes/ removal of vegetation growth/ cutting trunk portion protruding over ground, digging out roots arround 2 mtr radius of LT panel/ Pole and removal from site all as directed Note : This job may be repeated after three month at the same location.

S&F including taking down MCCB's of following items in the existing out door/ indoor LT panels and connection with using aluminum lugs/ ferruls incl 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 as below :-

(a) MCCB 4 pole 63 Amps rating, 16 KA breaking capacity, 415 Volt with Adjustable type thermal and magnetic type.

(b) MCCB 4pole100 Amps rating, 16 KA breaking capacity with Adjustable type thermal and magnetic type.

(d) MCCB 4 pole 250 Amps rating, 36 KA breaking capacity with Adjustable type thermal and magnetic type.

(e) MCCB 4 pole 400 Amps rating, 36 KA breaking capacity with Adjustable type thermal and magnetic type.

(f) MCCB 4 pole 630 Amps rating, 50 KA breaking capacity with Adjustable type thermal and magnetic type.

(i) CTs of existing ratio and capacity fixed in LT panels and connect with ammeter

(j) Indicator lamp, LED type incl 1.5 Sqmm wire for connection to desired point of bus bar.

Disconnecting & dismantling/ taking down old LT cable of damaged/unsv cable any type/ make and Supply & laying cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor using lugs bothe 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 seperately)

(a) 16 Sqmm 2 core

(b) 25 Sqmm 3.5 core

(c) 35 Sqmm 3.5 core

(d) 50 Sqmm 3.5 core

(e) 70 Sqmm 3.5 core

(f) 95 Sqmm 3.5 core

(g) 120 Sqmm 3.5 core

(h) 185 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 and 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 and 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 and 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 river Sand to underground cable 8 cm thick before laying and 15 cm thick after laying the cable complete all as specified and directed. Note:- Punned thickness shall be masured for payment purpose.

M&L for GI tubing 'light grade' with all necessary fittings laid in trenches/ under road crossing/ fixed on pole/ wall/ under floor including taking down old GI pipe and suitable mild steel FI clamps of required size complete for following sizes :-

(a) 50mm bore

(b) 80mm bore

M&L for earthing as per IS:3043 with galvanized steel earth plate electrode 600 x 600 x 6.0mm thick 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 metre below normal ground level connected to galvanized iron 32 x 6mm strip as earthing lead protected by GI pipe light grade 40mm bore for protection of GI earth strip and 20mm dia GI pipe medium grade for watering with alternate layers of charcoal/ coke and salt including all accessories like nut, bolts, reducer, nipple, wire meshed/ screened funnel and making brick masonry finished chamber of internal size 300mm x 300mm x 300mm with concrete base, covered with a cast Iron hinged cover resting over the cast iron frame painted with black bitumastic paint which shall be embedded in the block masonry including excavation works, refilling, connected to main switch/ MCB DB for feeding the electric supply complete including dismantling of old u/s earthing complete all as specified and as shown in electrical plate No. 3 of SSR Part-I and testing of earth resistance as required. Note:- 7.5 RM strip wire upto 7.5 RM including unit rate.

All as per Srl item No.38 above but using 600 x 600 x 3.15mm copper plate including 20 x 3mm earthing lead (earth strip will be protected by using 40mm bore GI pipe 'light grade) complete all as specified and directed.

S&F in repair of aluminium tube terminals (heavy duty thimble) of size upto 95 Sqmm complete all as specified and directed.

S&F in repair of aluminium tube terminals (heavy duty thimble) of size 120 Sqmm complete all as specified and directed.

S&F in repair of aluminium tube terminals (heavy duty thimble) of size 150 to 185 Sqmm complete all as specified and directed.

S & F in repair Danger notice plate for HT 25cm x 20cm x 1.5mm thick mild steel sheet, vitreous enameled white with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts complete. Note:- M.S Clamp, nut and bolts shall be included in the quoted rate.

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/ 100/ 160/ 200 KVAR by taking out 4mv heavy duty capacitor banks of existing rating/ Size/ Steppings 3 Phase 415 suitable for having losses not less than 0.5 W/ KVAR with discharge registors. 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 authrised manufacturer or expert electrical engineer of company.

Supply & Fixing in repair for capacitor 5 KVAR capacity complete all as specified and directed.

Supply & Fixing in repair for capacitor 7.5 KVAR capacity complete all as specified and directed.

Supply & Fixing in repair for capacitor 10 KVAR capacity complete all as specified and directed.

Supply & Fixing in repair for capacitor 15 KVAR capacity complete all as specified and directed.

Supply & Fixing in repair for capacitor 20 KVAR capacity complete all as specified and directed.

Supply & Fixing in repair for capacitor 25 KVAR capacity complete all as specified and directed.

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 diffrential relay

(d) Testing of followig Aux relay:- (i) DC Supply supervision relay. (ii) Trip Circuit suprvision 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) Caliberation of relays to be done from qulified engineer of CG/ ABB. (iv) The parts shall be replace under relevant item of supply only.

Supply and fixing in repair bushbar spout trolly mechanism 11 KV VCB, complete all as specified & directed

Supply and fixing in repair charging gear trolly mechanism 11 KV VCB, complete all as specified & directed

Supply and fixing in repair operating mechanism for breaker 11 KV VCB complete all as specified & directed

Supply and fixing in repair ON/OFF Push button complete all as specified & directed

Supply and fixing in repair ON/OFF Indicator complete all as specified & directed

Supply and fixing in repair OFF load isolator with earth switch mechanism complete all as specified & directed

Supply and fixing in repair Z type lever of OFF push button complete all as specified & directed

Supply and fixing in repair Z type lever of ON push button complete all as specified & directed

Supply and fixing in repair trip coil only Y1 control 24 Volt, DC complete all as specified & directed

Supply and fixing in repair close coil only Y2 control 24 Volt, DC complete all as specified & directed

Supply and fixing in repair spring charging motor with gear 24 Volt, DC complete all as specified & directed

Supply and fixing in repair standerd spring charging motorised kit for V module complete all as specified & directed

Supply and fixing in repair bus bar bottle of vaccum circuit breaker complete all as specified & directed

M&L in repair Current transformer, indoor comprising of 3 Nos single phase resin cast CTs of 200-100/5-5 Amps ratio, PS class, with suitable VA burden and accuracy suitable for protection & metering of 11 KV VCB panel complete all as specified & directed.

M&L in repair PT three Nos single phase potential transformer of ratio 11 KV/110 volts, class 1, suitable for VA bourden 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 of the 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 repair ACB 4 pole of size 800 Amp, in the existing out door/ indoor LT panels and connetion with using aluminum lugs/ ferruls incl disconnection & connection of cable and making necessary alteration in panel/ door using welding wk and cutting as required for proper fixing & connection complete all as specified and directed.

Supply & Fixing in repair contactor having current lighting resistors suitable for capacitor Switching off variable KVAR correctiong of specification as approved complete all as specified and directed.

Supply & Fixing in repair Varlogic APFC Relays of existing size/ capacity step of five complete all as specified and directed

S&F in repair Rotary Switch 5 KVAR to 10 KVAR complete all as specified and directed.

S&F in repair Rotary Switch 12.5 KVAR to 20 KVAR complete all as specified and directed.

S&F steel tubular electric pole SP-31, swaged type, welded (9 metre long) single complete with CI base plate, bolts, nuts & screws complete all as specified including taking down old u/s pole including the following:- (a) Excavation in post hole not exceeding 1.5 Mtr wide & 2 Mtr deep for pole foundation & getting out in soft loose soil, returning, filling in the excavated soil after fixing the pole in foundation, ramming earth around in layers n.exc 25 cm thick and disposal of surplus soil to a distance n.exc 50 metres. (b) M&L for Providing PCC 1:4:8, type D2 (using 40mm graded stone aggregate) in foundation 600mm x 600mm x 1500mm (planting depth) for concrete encasing the pole upto GL (c) M&L for Providing PCC 1:3:6, type C2 (using 20mm graded stone aggregate) for plinth block/ Coping above GL, 300mm high and 450mm dia (d) M&L for painting of pole externally with one coats of black bituminous paint (upto planting depth) and above plinth block/ concrete collar with two coats of aluminium paint over a coat of red oxide primer including preparation of surfaces including painting of 30 cm wide black bands 3 Nos with synthetic enamel paint in alternate layers upto the height of 1.5 Mtr above plinth block.

Supply and Fixing, commissioning and testing of outdoor type automatic power factor correction (APFC) panel for 3 phase, 415 Volt & 50Hz system of capacity 100 KVAR with including foundation of panel, Volt meter, ammeter and indicator complete including taking down old u/s APFC panel complete all as specified and directed.

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

S&F in repair MS 3mm thick chequered plate required size with a raised texture pattern and corrosion resistance, on one side with anti-slip properties complete all as specified and directed.

SAHYOG ELECTRIC (BID ID -3492732)

Ms Kailash Chandra Babulal (BID ID -3504166)