Opportunity

Saskatchewan Tenders #2026-27-0106

Dewatering and Cleaning Services for Stilling Basins and Spillways at Duncairn Dam and Spruce River Dam

Posted

April 27, 2024

Respond By

July 30, 2026

Identifier

2026-27-0106

NAICS

237110, 237990, 562910

This opportunity involves the dewatering and cleaning of stilling basins and spillway slabs at Duncairn Dam and Spruce River Dam to prepare for structural inspections. - Government Buyer: - Water Security Agency (WSA), Saskatchewan - Prince Albert National Park (Government of Canada) - Engineering Assessment North office - Scope of Work: - Isolation, dewatering, cleaning, and maintenance of spillway slabs and stilling basins - Installation and removal of aquadams downstream of spillways - Fish salvage and protection of aquatic habitats - Pressure cleaning of concrete surfaces and low-pressure flush of underslab drainage systems - Sediment and waste management, site restoration, and inspection support - Provision of all labor, equipment, materials, supervision, temporary works, permits, and specialist support - Environmental and Safety Requirements: - Strict compliance with environmental protection measures for species at risk (e.g., barn swallow, lark bunting, northern leopard frog) - Adherence to the Species at Risk Act and Migratory Bird Convention Act - Work must avoid fish spawning closures (April-June) and bird breeding seasons (May-August) - Dewatering must be completed before mid-October to protect amphibians - Compliance with confined space entry and rescue regulations - Notable Details: - No specific OEMs, vendors, or part numbers are named - Contractor must obtain all necessary permits (e.g., Aquatic Habitat Protection Permits, park permits) - Evaluation criteria include safety, methodology, experience, and pricing

Description

Water Security Agency (WSA) is soliciting quotations for the isolation, dewatering, cleaning, and maintenance of the spillway slabs and stilling basins at Duncairn Dam and Spruce River Dam. The work is to prepare these structures for structural inspections scheduled for 2026. The contractor must provide all labor, equipment, materials, supervision, permits, environmental protection measures, and other resources necessary to complete the work in compliance with contract terms, permit conditions, environmental requirements, and applicable laws.

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