per IS-2147 & should have suitably designed louvres for circulation of cooling air. All the gaskets should be of neoprene rubber. Enclosure should be powder coated with DA Grey paint after surface treatment for corrosion protection. All openings in enclosure should be guarded with suitable screen to guard against entry of rodents and reptiles.
LIST OF FITTNGS AND ACCESSORIES:
HV bushings - Inside HV cable box: 3 nos.
LV bushings - Inside LV cable box: 4 nos.
Outside LV cable box: 1 no. for neutral earthing.
c) Winding temperature scanner connected with three nos. RTDs, one each for each LV winding, should be provided in a metallic enclosure that is mounted on the main enclosure. The scanner should provide indication, alarm & trip contacts. Winding temperature indicator should show maximum temperature attained. The RTDs should be properly wired upto the scanner terminals. Suitable hole with gland is required for control cable connecting scanner alarm/ trip contacts to HT Breaker.
Earthing terminals - 2 nos.
Base channels with bi-directional rollers.
Any other accessories which bidders think essential & required as per IS may also be
23. RATING PLATE
Should be as per IS: 11171 and following additional informations should be given in addition to standard informations.
Name of Customer: OIL INDIA LIMITED
P . O . O r d e r N o
D. GENERAL TERMS AND CONDITIONS FOR TRANSFORMER
Party should furnish all relevant technical particulars as mentioned in Appendix #B of
IS: 2026 #1977, Part-I along with the offer. above under headings A, B & C.
Offer should also cover all points mentioned
These Transformers (indoor type) will replace the existing 1000KVA Transformers (indoor
type) and will be placed in the same foundations without any modification of the foundations. Size of foundation: (length) 1360mm X (breadth) 700 mm X (height) 300mm. Bidder should confirm the same along with the offer. Bidder may visit OIL's LPG Recovery
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