|
| 1 | Supply, install, testing and commissioning Transformerup/step down, indoor/outdoor type, pcc platform mounted , 11 KV/433 volts ( at no load) AC 3 phase 4 wire 50 Hz, of250 KVA capacity, double coper wound, oil immersed, naturally cooled, (ON AN), with external cooling tubes/fins, vector group DYN -11 with neutral brought out on ( LV side ) and having tapings at ± 2.5%to be changed by means of hand opertaed OFF load tap changer(off load tappings on HT side) to vary secondary voltage within limit, all as per IS 2026 of capacity up to 250 KVA & IS-1180 Part-I, 2014 level-2 & shall comprise of the following |
| 2 | Srl Item No. 1 Contd/-----(a) one cable box on HT side (Primery side consisting of 3 No procelain bushings with copper rods complete with nuts& bolts(b) one cable box on LT side (secondary side consisting of 4 nos porcelain bushing with copper rods complete with nuts & washer)( c) oil conservator oil level gauge (d) dehydrating breather with first fill of dehydrating agent ( silica gel) (e) explosion vent , thermometer pocket on tank cover , oil drain filter valve, lifting lugs, oil filling hole with cap/ plug air release valve plug & 4 Nos plain soild cast steel detachable rollers (f) 1 No, 100mm dia dial type thermometer, vapour pressure type, having range 0-120 degree celsuishaving maximumtemperature reading indicator with resetting (g) 2 earthing terminals on tank cover to facilitate fixing of 50X6 mm galvanised iron earth strip for earthing of body(h) Rating plate & terminal marking plate(i) Extra bushing for neutral, in the LT cable box for providing independent set of earthing for neutral (j) first filling of new & unused transformer oil, IS-335 Marked within( Make -savita/power link) filter & tested upto 40 KV di electric strength at2.5 mm air gap between testing electrodes |
| 3 | Supply, laying and testing HT cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 11000 volts grade (earthed) cross sectional area 95 Sqmm 3 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles complete all as specified and directed. |
| 4 | Supply and Fixing Steel tubular swaged pole erected to truly vertical or planted as strut complete with 6 mm thick MS Base plate,welded to pole,finial taper cap, bolts, nuts, screws,11 Mtr long, type 410 SP - 55,including drilling of holes of required size for fixing of cross arms,painting the exposed surfaces of pole with two coats of aluminium paint over a coat of red oxide zinc chrome primer and with two coats of black bituminous paint on the portion embedded in concrete, and marking pole No. with black paint at suitable heightall as specified and directed by Engineer-in-Charge.Note:- The earthwork, PCC foundation, steel clamps, MS Cross arms & bracing of angle iron etc will be measured and paid separately under relevant items. |
| 5 | S&F Stay assembly complete with acessories as shown in electrical plate no 1 (loop type insulator, stay clamps, stay wire, excavation and concrete measured separately) with 16 mm dia stay rod complete all as specefied and directed by Engr-in-charge. |
| 6 | Supply, fixing ,testing and commissioningair break isolating switch tripple pole mechanically operated with vertical isolation, 12 insulators mounted on steel frame with operating mechanism worked from ground level and including operating rod of 25 mm dia medium grade GI pipe and locking arrangement of capacity 400 Amps 11 KV with drop out fuse setincluding making all incoming/outgoing connection of HT cable and overhead conductor using new leads and nuts, bolts etc and painting of steel work with 2 coats of aluminium paint over a coat of red oxide primer complete all as specified and directed. |
| 7 | Supply and fixing lightning arrestors gapless metal oxide type complete with all fittings, suitable for 11000 volts grade transmission class, discharge capacity 65 KA including brackets, clamps, nuts, washers and connecting to 4 mm dia GI earth wire complete all as specefied and directed. |
| 8 | M&L for heat shrinkable type end termination, jointing kit outdoor type suitable for XLPE insulated HT cable 11000 Volts grade of size 50 sqmm to 95 sqmm 3 core complete with jointing material and acessories alongwith testing after jointing including taking out the old unserviceable joint kit complete all as specefied and directed. |
| 9 | Supply and Fix cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint , complete all as specified and as directed. |
| 10 | M&L for cement concreate 1:2:4 type D-2 (using 40 mm graded stone aggregate) as in coping etc including necessary form work and finishing the surface with cement mortar 1:4, 5mm thick finished to the portion of PCC muffs above ground level complete all as specified and directed. |
| 11 | M&L for PCC 1:4:8 type D-2 (using 40 mm grade stone aggregrate in foundation, mass concrate) as in foundation of poles & stay etc complete all as specified and directed. |
| 12 | Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep for laying of cables, pipes foundations of poles/stays/pipes etc .not exc 10 Sqm area on plan and getting out in soft/loose soil complete all as specified and directed. |
| 13 | Description all as per Srl item No.11 here in before but depth exceeding 1.5m but not exceeding 3m complete all as specified & directed. |
| 14 | Returning, filling in excavated soil in trenches including spreading, leveling, watering and well rammingin layers n. exc. 25 cm thick complete all as specified and directed. |
| 15 | Removing of excavated soil to a distance n. exc. 50 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed. |
| 16 | S&F double walled corrugated (DWC) pipe of size 200 mm including snap fit coupler conforming to IS14930 (Pt-II)/IS16205 Pt-II for protection of HT cable in under ground complete all as spd and directed. |
| 17 | Description all as per item No.15 here in before but having size120 mm complete all as specified and directed |
| 18 | Supply only PVC coated chain link fencing 3.6 mm dia of G I wire and minimum 1 mm thick vinyl coating, 50mm x 50mm mesh size all as approved and directed.Note: (i) The dia meter of the mesh after PVC coating shall be 5.6mm (ii) The PVC coating shall be green in colour(iii)The GI Chain link mesh with PVC coating shall be weighed for the purpose of payment |
| 19 | Fixing only GI wire PVC coated chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts etc including provision of binding wire complete all as specified and directed. |
| 20 | M&L for earthing complete with galvanized steel earth plate electrode 600 mm x 600mm x 6.0mm thick buried directly in ground ( earth pit not less than 2.25 mtr below normal ground level ) with top edge plate not less than 1.5 metre below normal ground level connected to galvanized iron(GI) wire of size 4mm diaas earth continity conductor or main earthing lead by means of bolts, nuts, chuck nuts and washers of galvanized iron earth lead with 15 cm thick alternate layers of charcoal dust & common slat including PCC pit in PCC 1:2:4 type B-1, RCC covermade out of cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle andangle iron 40 x 40 x 5 mm frame, GI medium grade watering pipe 20 mm bore and funnel with wire mesh light grade protection pipe 40mm bore up to main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion complete all as specified and directed by the Engineer-in-Charge. Note: - On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge. |
| 21 | Description all as per item No. 11 here ion before but using galvanized earth strip of size 32 x 6mmas earthing leadcomplete all as specified and directed. |
| 22 | Supply, laying, jointing & testing XLPE insulated, PVC bedded galvanised steel strip or wire armoured electric power cable heavy duty with stranded aluminium conductor 1100 volts grade cross sectional area 120 Sqmm 3.5 core laind in trenches or passing through pipe or fixed on poles complete all as specefied and directed. |
| 23 | Description all as per item No.21 here in before but having size95 sqmm 3.5 core complete all as specified and directed. |
| 24 | Description all as per item No.21 here in before but having size70 sqmm 3.5 core complete all as specified and directed. |
| 25 | M&L for Material and Labour for construction of plateform for transformer 2.5m (wide)x 2.5m (long) & 1.5m (height) including moorum filling, earth work in brickwork any type of soil, brick work in CM (1:6) and PCC at top 10 cm thick (1:2:4) type B-1 and foundation with 1:4:8 type D-2, 25cm thick all as per drawing including plastering to exposed walls and white wash, providing MS channel on top of size 75x40x8mm of 1.5m length for rolling to transformer, including chain link fencing of wire mesh 150x100 size made out 4mm dia GI wire of height 1.5m fixed with the help of MS strip 25x6mm on and including MS angle iron 75x45x6mm thick 12 Nos post by the means of drilling holes at the distance of 30cm and fixed with the help of suitable nut, bolt and washer, the length of MS angle iron not less than 2.25m top of post bend to the shape of 60 degree including 03 Nos cuts for inserting barbed wire including 03 run of barbed wire and including provision of gate of size 1.5mx0.9m made out of MS angle iron 50x50x6mm and MS bar 12mm dia for meshing to the gate and locking arrangement complete all necessary for work, complete all as specified and as shown on drawing No. CEUZ/TD/1516/15 sheet 1/1. |
| 26 | Supply, Installation , testing and commissioing in replacement outdoor type, weather proof, cubicle panel board made out of 3.15 mm thick CRCA steel sheet mounted on 60 cm long legs made out of 40x40x6 mm equal angle, embedded in PCC 1:2:4 type B-1 blocks of size 15x15x15 cm front and back openable, double door openable up to minimum 150 degree & removable type having magnetic catche system, lockable/openable by keys from both sides having chromium plated locks, louvers and air vent gaskets for natural air flow suitable foamed in PU gasket to make it dust/vermin proof, IP 54 protection, powder coated and prewired as per standard engineering practice, the panel manufacturer should have got any one of the panel tested at CPRI earliset for short circuit current of 50 KA for one second and similar design and technology shall be adopted for fabrication of panel copy of CPRI test report shall be produced to GE along with a certificate from manufacturer of the panel that the similar design and standard have followed in these panels complete suitable cable glands for cable entry.The panel shall accomodate the following equipments:- |
| 27 | Srl Item No. 25 Contd/----- (a) Aluminium Bus bar of capacity duly covered with colour coded shrinkable sleeves not less than 400 Amps for phases and neutral - 01 set (b) Digital multifunction meter of size 96x96mm to measure current, voltage, freequency and power factor with built in selector switch and programmable CT of appropriate ratio - 01 Nos (c) Panel indicating lamp neon/LED type (Red, Yellow & Blue) with lamp holders - 03 Nos(d) Panel instrumental wiring with FRLS suitable size but not less than 2.5 Sqmm copper wire single core - 01 JobINCOMING : (e) MCCB 4 Pole, Ics = 100% Icu, 35/36 KA, 415 Volts, 400 Amps, withadjustable thermal & adjustable magnetic setting with extended terminals - 01 Nos OUT GOING : (f) MCCB 4 Pole, Ics = 100% Icu,25/26KA, 415 Volts, 160 Amps, with thermal adjustable thermal & adjustable magnetic setting with extended terminals - 02 Nos (g) MCCB 4 Pole, Ics = 100% Icu,25/26KA, 415 Volts, 100 Amps, with thermal adjustable thermal &magnetic setting with extended terminals - 01 Nos (h) MCB SPN 32 Amps 16 KA, 230 volts- 02 Nos |
