SPL REPAIR/ REPLACEMENT OF OLD TRANSFORMER WITH ENERGY EFFICIENT TRANSFORMER AT ROORKEE STN UNDER GE ROORKEE

Amount

Supply and installation of copper wound transformer step up/ step down, outdoor type complete with standard fittings, HT 11 KV 3 Phase, LT 433 volts, 3 Phase 4 wire of capacity 315 K.V.A., 11/0.433 K.V., [Copper Wound], “ENERGY EFFICIENT”, “LEVEL-2”, Oil Immersed, Outdoor, Delta-Star Transformer with Off-Load Tap Changer on HT side to vary secondary voltage within limit, as per B.I.S. 1180-2014 (Part-1) Specifications. (Location :-Sub-stn N0-22, 24 & 25). Make : Transtron Electrical Pvt Ltd/ Rajasthan Transformers/ ITE Gurgoan/CG/ Jay Bee Industries. 1. Capacities : 315 K.V.A. “LEVEL-2” “ENERGY EFFICIENT” 2. Type : Oil immersed / Copper Wound 3. Number of Phases : Three 4. NO Load Voltage Ratio : 11000/433 Volts. 5. Frequency : 50 Hz. 6. Duty : Out-door 7. Vector Group : Dyn-11, Delta / Star 8. Type of Tap Switch : 6-Step, 7–Positions, Off-Load Tap Changer. 9. Taping Range : +5 % to -10% of HV in 6-Steps @ 2.5% each. 10. Temperature Rise Oil / Winding : 40 °C / 45 °C 11. Type of Cooling : ON. AN Standard Fittings :- 1. Metal Parts for H.T. & L.T. fittings with H.T. Bushings on Top Cover and L.T. Cable Box. 2. Conservator fitted with C.I. Oil Gauge, Oil Filling Hole and C.I. Cap & Drain Valve. 3. 6-Step, 7–Positions, Off-Load Tap Changer. 4. Dial Thermometer for Oil Temperature. 5. Dehydrating Silica gel Breather, Arcing Horns and Earthing Terminals. 6. Radiators for cooling. 7. Drain Valve, Filter Valve. 8. 04 Nos. Plain C.I. Rollers, Lifting Lugs, Inspection Cover, Explosion Vent Pipe.

Supply and installation of copper wound transformer step up/ step down, outdoor type complete with standard fittings, HT 11 KV 3 Phase, LT 433 volts, 3 Phase 4 wire of capacity 400 K.V.A., 11/0.433 K.V., [Copper Wound], “ENERGY EFFICIENT”, “LEVEL-2”, Oil Immersed, Outdoor, Delta-Star Transformer with Off-Load Tap Changer on HT side to vary secondary voltage within limit, as per B.I.S. 1180-2014 (Part-1) Specifications. Location :- Sub-Stn No-13). Make : Transtron Electrical Pvt Ltd/ Rajasthan Transformers/ ITE Gurgoan/CG/ Jay Bee Industries. 1. Capacities : 400 K.V.A. “LEVEL-2” “ENERGY EFFICIENT” 2. Type : Oil immersed / Copper Wound 3. Number of Phases : Three. 4. NO Load Voltage Ratio : 11000/433 Volts. 5. Frequency : 50 Hz. 6. Duty : Out-door 7. Vector Group : Dyn-11, Delta / Star 8. Type of Tap Switch : 6-Step, 7–Positions, Off-Load Tap Changer. 9. Taping Range : +5 % to -10% of HV in 6-Steps @ 2.5% each. 10. Temperature Rise Oil / Winding : 40 °C / 45 °C 11. Type of Cooling : ON. AN Standard Fittings :- 1. Metal Parts for H.T. & L.T. fittings with H.T. Bushings on Top Cover and L.T. Cable Box. 2. Conservator fitted with C.I. Oil Gauge, Oil Filling Hole and C.I. Cap & Drain Valve. 3. 6-Step, 7–Positions, Off-Load Tap Changer. 4. Dial Thermometer for Oil Temperature. 5. Dehydrating Silica gel Breather, Arcing Horns and Earthing Terminals. 6. Radiators for cooling. 7. Drain Valve, Filter Valve. 8. 04 Nos. Plain C.I. Rollers, Lifting Lugs, Inspection Cover, Explosion Vent Pipe. Note for Item No - 1 & 2 :- (1) Provision of PCC Foundation for new transformers as per OEM recommendation is included in scope of this item no extra amount shall be paied to the contractor. (2) Rate of item includes provn for shifting of existing transformer from its location to MES E/M store yard. (3) The existing transformers are on 4/2 pole structure, hence cost of arrangement for lowering it down is deemed to be included in the quoted rate. (4) Civil work (viz. Excavation, Returning/Removing, levelling) required for re-arranging of HT/LT UG cable at each location with-in 20 Mtrs are included in the scope of work of this item. (5) Sand required for cushioning of HT/LT UG cable shall deemed to be included in quoted rate.

Taking down of transformers of capacity 160/250/315 KVA from 2/4pole structure or from PCC plateform with due care after disconnecting all HT/LT electric cables, Transportation of transformer to new location on 2/4 pole structure or PCC foundation as directed with-in the AOR of Roorkee cantt, lowering and remounting on 2/4 pole structure by means of Hydra/Crane and reconnection including earthing connection complete all as specified and directed by engineer in charge.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 120 sq mm.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 volts grade, of size 3.5 core 240 sq mm.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 volts grade, of size 3.5 core 185 sq mm.

Excavation in trenches in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for laying of pipes and for poles/stay and struts not exceeding 10 Sqm on plan and getting out, excavated earth, forming bottom surfaces to required level complete all as specified.

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

Removing surplus soil to a distance not exceeding 50 meter and depositing where directed at a level not exc. 1.5 meter above the starting point complete all as specified and directed.

Supply and laying sand river for cushioning with layers of sand 8 cm before lying of cable and 15 cm after lying of cable (total 23 cm) in trenches complete all as specified & directed. (Note: Thickness after punning shall be measured for payment )

Supply and laying unreinforced precast concrete cable cover, class HVP, type- 1 with peak, size 300mmx180mmx40mm laid flat adjacent and abutting to each other across the length of cable laid dry complete all as specified & directed by Engr-in-charge.

Supply and laying brick protection cable cover using sub class ‘B’ bricks laid flat adjacent to each other across the length of cable laid dry complete all as specified & directed by Engr-in-charge.

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm.

M & L for trolley of suitable size made out of MS channels of size 100/75mm frame covered with MS sheet 8/10mm thick covered on the top of the trolley, supported with angle iron of sizes 50mm x 50mm x 6mm & canpoy made of flat iron frame work complete wiht nut and bolts etc for mounting one 500 KVA transformer outdoor type and LT panel of size described below, the trolley shall be consisting of following accessories and attachements :- (a) Trolley :- (i) Centre axel two (02) Nos with moving attachements and wheel drums for mounting wheels and 04 Nos inner/outer tyres/ tubes). (ii) Four (04) stes of spring tension of suitable capacity to bear the load of 500 KVA transformer and LT Panel. (iii) Two (02) Nos spare inner tyres/ tubes (stepney) complete. (b) LT Panel mounted on trolley :- (i) Outdoor type, made out of 3.15mm thick CRCA sheet, dust and vermin proof, double door, both side openable, mounted on angle iron 50mm x 50 x 50mm thick, botton entry for incoming and outgoing cables. (ii) Aluminum bus-bar 4 Nos suitable size to carry 1400 Amps current, insulated with PVC sleeves duly colour coded mounted on insulators. (iii) Air circuit breaker, 800 Amps, 4 poles, electrical draw out tupe, 440 volts, 50 Hz, 50 KA with short circuit and overload protection relay. Note :- 1. The trolley shall having suitable space for (a) Transformer 500 KVA out door type. (b) Lt panel consisting of one No consisting of LT ACB only. (c) HT UG cable 120 sqmm 3 core-20RM. (d) LT UG cable 400 sqmm single 3.5 core. 2. The design of the trolley shall be suitable bear the load of 500 KVA transformer to carry from one place to another smoothly as specified and directed. 3. The contractor will submit drawing of trolley for approval of GE before ordering/ fabricating.

M/S HINA ELECTRICALS

M/S JIWAN KUMAR MITTAL