04/ECWD/SRE/2023-24

Safe carriage of with loading & unloading at both ends respectively. (under jurisdiction of PVVNL) i) 11KV cable J/kit 3x300mm² (Indoor)

ii) 11KV cable J/kit 3x300mm² (Outdoor)

iii) 11 KV Cable 3×300mm²

Dismantling of Existing ( 5 MVA-1 Nos) Transformer Kept at suitable place outside switchyard i) Disconnecting HT cable connection from 33 KV & 11KV side of 05MVA Power transformer for removing power transformer from plinth after proper shutdown. Dismantling of 11KV cable support structure, copper bus bar structure, M.S.Frame etc.

iii) Disconnecting Earthing strip from body of 05MVA Power transformer.

vi Safe Shifting of 08 MVA Power transformer main body and other accessories from the substation switchyard to outside the switchyard at suitable place assigned by concern J.E/S.D.O (Distribution).

Safe carriage of 8 MVATransformer tank, conservator, radiators, Transformer oil and other accessories from 33/11 KV S/S NANDGRAM (Ghaziabad) to 33/11 KV Sub-Station HUSSEN BASTI (Distt. Saharanpur).

Safe unloading of main 8 MVATransformer body conservator, radiators, Transformer oil and other accessories at unloading point outside the switchyard of 33/11 KV S/S HUSSEN BASTI (Distt. Saharanpur).

Shifting of unloaded 8 MVA 33/11 KV, Transformer to transformer plinth in Switch Yard.

Reassembly of conservator tank, radiators and other accessories to the main Transformer body including the replacement of the radiators packing and top cover packing etc.

Filling of the Transformer oil from the drums into the main Transformer body, conservator and radiators of the 8 MVA Transformer and releasing the air etc.

Miscellaneous Electrical works of Increasing Capacity of 33/11 KV SubstationHUSSAIN BASTI (Saharanpur) from (2×5) MVA to (8+5) MVA. Installation of 33/11 KV, 8 MVA Transformer : i) Shifting of available8 MVA 33/11 KV, Transformer to transformer plinth in Switch Yard.

ii) Erection of shifted 8 MVATransformer at plinth by fixing all accessories like radiators, conservator tank, filling the transformer oil to desired level and ensuring that there is no leakage, complete job in all respect.

iii) Connecting of 33 KV & 11 KV side connection of Installed 8 MVA Transformer.

H.T. Power Cable Laying : i) Laying 11 KV, (3x300) mm2 XLPE Cable from power transformer to 11 KV incoming switch gear in the cable trench 0.45 m wide, 0.90m depth. Providing 150 mm local sand for cushion beneath and 150 mm above the cable (quality of local sand required 0.375 cum/m in length). The cable shall be dully protected by brick. On both side of cable by laying brick vertically and bricks would also be laid bricks along the cable (minimum 18 Nos. of bricks are to be laid top and outer side along the single cable. The work includes digging of trenches, laying of cable in under ground trenches, joining of terminal's, back filling of earth and testing and commissioning of power cable etc. Spare cable shall be left over and laid in the trenches in shape of 6 m ring at both ends.

ii) Laying and dressing of 11 KV 3x300 mm2 power cable in air/Trench.

Preparation of 11 KV Power Cable ends: i) Making of cable end termination by Heat shrinkable Out door jointing kits suitable for 11KV, 3x300q.mm XLPE cable. Providing, fixing and crimping of proper size good quality lugs complete in all respect.

ii) Making of cable end termination by Heat shrinkable indoor jointing kits suitable for 11KV, 3x300Sq.mm XLPE cable. Providing, fixing and crimping of proper size good quality lugs complete in all respect.

Testing & commissioning of Power T/F.

Hiring of D/G Set including carriage, loading, unloading & operating charges (with fuel) at 33/11 KV Substation under construction in case L.T. supply is not available near S/S within prescribed accessible limit.

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