26_018 Addendum 3.pdf
PDF 124 KB Posted
- Attached to
- Bid Ref. #26-018 Pad Mount Transformers
- Solicitation number
- PE-64750-NONST-2026-000000158
- Issued by
- Douglas County, Georgia
About this file
This is an addendum to an Invitation to Bid for Pad Mount Transformers issued by a state or local utility organization, with a bid opening scheduled for October 27, 2025, at 2:30 p.m. (Bid Ref. #26-018). The addendum modifies the original specifications by deleting the requirement for 150kVA 3-phase pad transformers at 120/208V and adding a requirement for 150kVA 3-phase pad transformers at 277/480V. Bidders must acknowledge receipt of this addendum on their bid forms for their proposals to be considered acceptable.
The addendum clarifies multiple technical specifications and requirements for the transformer procurement. Acceptable materials include mild steel construction, mineral oil or equivalent cooling fluid, and aluminum windings (though copper is preferred). The transformers must be air-cooled with no tap requirements, feature either amorphous or silicone steel cores (with steel preferred), and accommodate 15kV screw-in bushings on the primary side and secondary spades on the secondary side. Bidders may offer either new or reconditioned units, though new is preferred. Dead or live front configurations are acceptable, and loop feed capability is required. Vendors must provide estimated delivery timelines with their bids, with preference given to the quickest delivery option. No specific cooling class is mandated beyond air-cooled operation.
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Other files
| File | Type | Posted |
|---|---|---|
| 26_018 Pad Mount Transformers.pdf | ||
| 26_018 Addendum 1 .pdf | ||
| 26_018 Addendum 2.pdf | ||
| 26_018 Addendum 4.pdf |
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Text version
October 06, 2025
TO: All Potential Bidders
SUBJECT: Pad Mount Transformers
Bid Ref. #26-018
Bid Opening Date & Time: October 27, 2025, at 2:30 p.m.
ADDENDUM NO. 3
The items contained in this addendum are added to and/or deleted from and become part of the specifications and proposal documents for the above-referenced Invitation to Bid. Bidders must acknowledge receipt of the Addendum on the Bid Form, located in the invitation to bid, when the bids are submitted.
ADD/DELTE:
DELETE: 150kva 3ph Pad Transformer, 120/208V ADD: 150kva 3ph Pad Transformer, 277/480V
QUESTIONS:
Question 1: Is Mild Steel Box ok or is Stainless Steel Required? Answer: M ild steel is fine.
Question 2: Is Mineral oil ok or is FR3 oil needed? Answer: M ineral oil.
Question 3: Is Aluminum Windings acceptable in lieu of copper? Answer: We've always used copper in the past, but the Aluminum Windings w ill be acceptable due to lead times.
Question 4: Please confirm if it is acceptable to offer the transformers with an amorphous core or silicone steel? Answer: Both are acceptable but the steel version is preferred.
Question 5: What is the required delivery timeline for the equipment? Answer: The delivery time may vary depending on the location of the vendor which is why we ask that the vendor supply an estimated delivery time w ith their bid, w ith preferably the quickest delivery.
Question 6: What are the tap requirements? Answer: No taps.
Question 7: Are there bushing specifications that must be met? Answer: As long as our 15kv screw in bushing w ill fit on primary side.
Question 8: Are there any requirements for the fluid used by the Tx? Answer: M ineral oil or equivalent.
Question 9: Is there a specific cooling class requirement? Answer: No specific cooling class except air cooled.
Question 10: Are you only looking for new transformers or are reconditioned options acceptable as well?
Answer: We prefer new but w ill accept reconditioned if new is not available.
Question 11: Dead or live front? Answer: Optional as long as they accept 15kv screw in bushings on primary side and have secondary spades on secondary side.
Question 12: Loop feed? Answer: Yes.
End of Addendum 3 (You must acknowledge this Addendum for your bid to be acceptable.)
Takeshia Martin Takeshia Martin, Buyer
Cc: Jesse Barnes, Warehouse Manager, Finance Kendall Hodge, Director, Utility Operations Kurt Anthony, Deputy Director, Utility Operations
| ADDENDUM NO. 3 |
| End of Addendum 3 (You must acknowledge this Addendum for your bid to be acceptable.) |
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