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INSTALLATION, EARTHING, TESTING AND COMMISSIONING OF 12000KVA AUTO TRANSFORMER

  • -

    01 NO.

    • A.

      INSTALLATION

1.

Entire installation, testing and commissioning work including supply of all items,

materials, tools, instruments, manpower etc required for the job shall be carried out by the

party. OIL will not supply any item as mentioned under various headings in this annexure.

2.

All equipment shall have to be delivered to substation site of LPG Recovery Plant in

Duliajan and placed accordingly by the party. The party will arrange for proper storage of all equipment at its premises after receipt from the factory and before transfer to site. The storage will be done as per recommendation of manufacturer. Any damage to the equipment during transportation from factory to party's godown, storage at party's godown and during transfer to Duliajan and placement inside the substation will be to party's account and the party will have to carryout necessary repair or replacement to OIL's satisfaction at their own cost. All tools, vehicles, manpower and any other facility required for storage, transfer & placement of equipment in the substation will be arranged by the party at their own cost. The delivery to site from the party's storage location & placement has to be completed during daytime only. OIL WILL PROVIDE CRANE FACILITY FOR LOADING, UNLOADING, DISMANTLING AND PLACING OF THE TRANSFORMER AT OIL'S LPG RECOVERY

PLANT ONLY.

3.

Party shall have to remove the existing 1no. 12000KVA transformer from the existing

foundation after removal of the existing HT cables. Removal of HT cables shall also include

de-compounding of the HT cable boxes.

4.

Party shall have to place the new 1 no. 12000KVA transformer in the existing

foundation without any modification of the foundation. Party may visit OIL's LPG Recovery

Plant for exact size requirement at their own cost.

5.

Connection of all cables in the transformer terminal boxes shall be under the scope of

the party.

6.

The size of the existing foundation : (length) 1610 mm X (breadth) 1000 mm X (height)

300mm

7.

The transformer will be checked for any defect / discrepancies in presence of OIL's

engineer and rectification of the same will be done to OIL's satisfaction by the party at their

own cost.

8.

After placement in the existing foundation the equipment will be grouted to the floor

by the party. Wheels of the transformer shall be locked in its final installed position.

  • B.

    EARTHING:

    • 1.

      All material required for earthing job as mentioned below shall be supplied and

installed by the party.

2.

GI straps of 50x6mm size shall have to be provided for earthing of the transformers to

the existing earth electrodes. Earthing connections should be as per IS-3043.

3.

Any excavation required for erection/replacement of the earth strips shall be under

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