Expired RFQ

RFQ 3671

GRDA seeks bids for construction of a seepage blanket at Chimney Rock to control water seepage at a hydroelectric dam site. Bids due April 16, 2026; questions due April 15, 2026.

Grand River Dam Authority OK

Categories

Construction & Field Services Civil construction Hydroelectric generation

Important dates

  • Published

  • Questions due

    All inquiries must be submitted to GRDA by this deadline.

  • Submission deadline

    Deadline passed

AI overview

The Grand River Dam Authority (GRDA) has issued RFQ 3671 for the Chimney Rock Seepage Blanket project. This solicitation seeks qualified contractors to construct a seepage blanket at the Chimney Rock location, which is part of GRDA's hydroelectric infrastructure in northeastern Oklahoma. The work involves geotechnical and civil construction activities to place an impervious blanket that controls seepage through the foundation or abutments of a dam or embankment, enhancing dam safety and operational reliability.

Key dates for this RFQ include a questions deadline of Wednesday, April 15, 2026, at 9:00 AM CST, and a bid submission deadline of Thursday, April 16, 2026, at 9:00 AM CST. The solicitation was published on April 13, 2026. All questions and bids must be submitted to GRDA's Central Purchasing office by the specified times. The full solicitation packet, including detailed specifications, drawings, and terms and conditions, is available for download as a PDF from the GRDA website.

Interested vendors must comply with GRDA's procurement policies and any applicable prevailing wage, insurance, bonding, and safety requirements. The scope includes mobilization, site preparation, material sourcing, placement of seepage blanket materials, compaction, quality control testing, and restoration of disturbed areas. The project is expected to be located in a remote area requiring careful logistical planning and environmental stewardship.

GRDA is a public power utility generating and transmitting electricity primarily from hydroelectric and natural gas resources. This project directly supports the integrity and longevity of GRDA's hydroelectric generating assets. Contractors with experience in dam remediation, embankment construction, and civil earthwork are encouraged to respond. The contract will likely be awarded based on criteria such as technical approach, past performance, and price.

Resources & contact

Proposal Document

View proposal document

Solicitation number

RFQ 3671

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