Saskatchewan Tenders #2025-26-0301

Lafleche Dam Interim Spillway Repairs – Concrete, Anchoring, Drainage, and Instrumentation

This opportunity involves major interim repairs to the Lafleche Dam spillway, managed by the Water Security Agency (WSA) of Saskatchewan. - Government Buyer: - Water Security Agency (WSA), Project Engineering group and Project Engineer-in-Training - Contracting offices in Moose Jaw and Saskatoon, Saskatchewan - Scope of Work: - Concrete repairs (Types 1-14), including hydro-demolition and full-depth replacement of spillway chute slabs - Installation of under-drainage piping, waterstops, seals, and joint armour plates - Retrofit of spillway point drains and installation of downstream riprap apron (5,000 metric tonnes Class B Riprap) - Post-tensioned thread bar anchoring (18 anchors, with electromagnetic load cells and anchor testing) - Installation of geotechnical instrumentation (4 piezometers) - Supply and installation of PVC and HDPE drain pipes (including trenchless methods) - Fencing and signage demolition and installation - Environmental protection, care of water (cofferdamming, dewatering, temporary diversion), and site commissioning - Miscellaneous metals, manhole construction, and cash allowances for access, miscellaneous work, and gate leakage mitigation - Quantities: - 4,800 m³ unclassified excavation, 3,600 m² geotextile, 2,300 tonnes Class 5 riprap bedding, 41 retrofit drains, 115 m² concrete demolition (Type 13), and more - Notable Requirements: - Project spans two construction seasons to avoid environmental impacts (spring freshet, bird nesting) - Detailed technical, safety, and environmental management plans required - Liquidated damages for missed milestones - All materials and equipment to be supplied and installed by the contractor; no specific OEMs or brands are mandated - Locations: - Place of performance: Lafleche Dam, ~10 km south of Gravelbourg, Saskatchewan, accessible via Highway #58 - Contracting/government offices: Moose Jaw, Saskatoon, and Swift Current, Saskatchewan

Description

This solicitation is for the Lafleche Dam Interim Spillway Repairs project located approximately 10 kilometers south of the Town of Gravelbourg, Saskatchewan. The work involves concrete repair including hydro-demolition, full depth replacement of spillway chute slabs with under-drainage piping, waterstops, seals, and joint armour plates, retrofit of spillway point drains, downstream riprap apron installation, post-tensioned thread bar anchoring in the lower spillway chute, and installation of piezometers in the spillway chute. The project is managed by the Water Security Agency, a Treasury Board Crown corporation responsible for water management in Saskatchewan. The solicitation includes detailed competition documents and specifies a submission deadline of May 22, 2026.

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