Plant for exact requirement at their own cost.
These transformers must be suitable for parallel operation. Due to unavoidable
circumstances if one no. 1000KVA dry type transformer is not commissioned then one dry type and one existing 1000KVA oil type transformer shall be made parallel for some time.
Detail specifications of the existing transformers are as per ANNEXURE - A.
Bidder should mention the no load losses, load losses & efficiency at 50%, 75% and
100% load (0.8 pf) on transformer with the offer.
The transformer will be housed inside a room with brick walls on two sides & XPM sheet
wall on the other two sides.
Bidder should submit with offer the list of customers to whom transformers of similar
rating & type (as per NIT) have been sold during last five years.
Routine and type test certificate for similar transformer should be furnished along with
Dimensional / drawing of similar transformer including cable box (both HV and LV),
Marshalling box, etc. should be furnished along with the offer.
Confirmation to guarantee clause as per point no. 14 should be mentioned in the
Offer must be complete with technical catalogue/ literature and drawings giving
details as required by NIT.
Materials should be procured either from manufacturer or their authorized dealers
Dealers must submit valid authorized dealership certificate along with the offer,
otherwise offer will not be considered for evaluation.
Dealers should submit with offer an undertaking from the transformer manufacturer
that in the event of an order on the party the transformer manufacturer will supply the
transformer through the party as per specifications of the tender and order.
In case of an order the party should get the detail transformer drawings approved
from OIL within one month of placement of order. The manufacture of the transformer
should start only after approval of drawings by OIL.
The transformer will be offered for pre-dispatch inspection and all routine tests as per
IS: 11171 will be carried out in presence of OIL engineer.
Four sets of manufacture's routine test certificates as mentioned in point no. 11 above
should be provided to OIL's engineer after inspection.
Four sets of instruction manuals for commissioning, operation and maintenance and
four copies of guarantee certificate are to be supplied with transformer.
The transformer should be guaranteed for trouble free operation for a period of 18
months from the date of supply or 12 months from the date of commissioning.
Packing should be adequate to avoid transit damage and ingress of water.
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