North Carolina eVP #320-IFB 320-010926FD

Five 69 kV Power Circuit Breakers for the North POD Substation

The City of Rocky Mount is seeking five high-voltage circuit breakers for its North POD Substation. - Buyer: City of Rocky Mount, North Carolina; no sub-agency or purchasing office is identified. - Procurement: Five 69 kV power circuit breakers; no breaker OEM or supplying vendor is specified. - Key breaker requirements: 69 kV nominal and 72.5 kV maximum rating, 3,000 A continuous current, 40,000 A interrupting current, three-cycle interrupting time, 104 kA RMS closing and latching capability, and 350 kV BIL. The equipment is specified for 60 Hz and ambient temperatures from -30°C to 50°C. - Current transformers: All five breakers require bushing CTs with a 2000/5 ratio, C800 accuracy class, and thermal rating 2. - Other specified equipment: A Schweitzer annunciator, model 2533022330XC2X0; control and equipment voltages are 48 VDC.

Description

The City of Rocky Mount is procuring five 69kV, 3,000 A power circuit breakers for installation at the North POD Substation. Bids will be received on one schedule, and electronic bids are not permitted; bidders must follow the instructions in the attachments. Addendum 1 modifies the specifications, including adjusting the bushing CT ratings for all five breakers to a ratio of 2000/5, and must be acknowledged with the bid.

View original listing