Nunnavut Tenders #QEC RFP 2026033

Feeder 1 Substation Upgrade for Grise Fiord Water Treatment Plant

This opportunity involves the upgrade of Feeder 1 substation in Grise Fiord, Nunavut, to support a new Water Treatment Plant, issued by Qulliq Energy Corporation (QEC), a Crown Corporation of the Government of Nunavut. - Government Buyer: - Qulliq Energy Corporation (QEC), Government of Nunavut - OEMs and Vendors: - No specific OEMs or commercial vendors are named; QEC will provide the 3x167 kVA transformer bank - Products/Services Requested: - Supply and installation of 3C 500MCM TECK 90 cables (140 meters) - Upsizing and installation of overhead LV bus (3x1C #3/0 AWG ACSR Pigeon) - Upsizing and installation of transformer LV down lead (3x1C #2/0 AWG) - Installation of 27kV disconnect switch fuses (upsized for new transformer bank) - Installation of 15kV 300A solid blade cutout (upsized to 600A) - Installation of cutout fuses (rated for 100A) - Installation of AASC #1/0 conductor (3x1C #1/0 AWG ACSR Swan) - Installation and commissioning of QEC-provided 3x167 kVA (600/2400V) pole-mounted transformer bank (3 units) - Removal of existing 3x75 kVA transformer bank - Installation and commissioning of all upgraded components - Unique or Notable Requirements: - QEC will provide the transformer bank and may provide use of its Radial Boom Derrick vehicle - Contractor must comply with Nunavut Inuit labour regulations and provide on-the-job training if applicable - All work must meet detailed technical and safety standards - The upgrade is required to handle an additional 172.1 kVA load and prevent feeder overloading and outages

Description

The Qulliq Energy Corporation (QEC) is soliciting tenders for the upgrade of Feeder 1 substation in Grise Fiord, Nunavut, to support a new Water Treatment Plant (WTP). The project involves installing a QEC-provided 3 x 167 kVA pole-mounted transformer bank, upgrading underground cables from the power plant switchgear to the transformer bank, and upsizing various electrical components to handle increased load capacity. The upgrade is necessary to accommodate the additional 172.1 kVA load from the new WTP and to prevent feeder overloading and outages. The target substantial completion date is October 31, 2026, with final completion by March 15, 2027.

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