Saskatchewan Tenders #2026-27-0093

Adams Lake Dam B Remediation Construction Services Solicitation

The Water Security Agency (WSA) of Saskatchewan is seeking a general contractor for the Adams Lake Dam B Remediation project in Cypress Hills Inter-provincial Park. - Government Buyer: - Water Security Agency (WSA), Infrastructure Division, Saskatchewan - OEMs and Vendors: - No specific OEMs or vendors are named in the solicitation - One product line item references Waterman as the manufacturer of the water control gate - Products and Services Requested: - Civil construction services for dam remediation, including: - Grouting of a decommissioned wood stave culvert low level outlet - Installation of Corrugated Steel Pipe (CSP) slip liners and extensions (1.6m and 0.9m diameters) - Construction of an operator access platform (steel, cast-in-place concrete, helical steel piles) - Installation of a Waterman CL-10 Canal Gate (manually actuated slide gate) - Construction of a downstream toe berm with engineered granular filter and riprap - Upgrades to access roads and trails (approx. 7.6 km) - Environmental protection measures: turbidity curtains (50m), silt barriers (150 units), erosion control blankets (2000 m2), ditch checks - Earthworks: stripping (1600 m2), excavation (2100 m3), backfill, granular filter, rockfill, riprap - Vegetation management, topsoil and seeding (2000 m2) - Trash rack installation - Bonding and mobilization/demobilization - Unique or Notable Requirements: - Compliance with Saskatchewan's Prime Contractor designation and health and safety regulations - Mandatory pre-submission site visit - Adherence to environmental permits, including Aquatic Habitat Protection Permit - Detailed technical specifications for materials and construction methods - All work to be performed under a single contract with WSA - Construction window is limited to approximately 2.5 months (September to mid-November) - Extensive environmental and vegetation management requirements

Description

Water Security Agency (WSA) intends to engage a General Contractor to remediate Adams Lake Dam B and its infrastructure to safely return the reservoir to its design Full Supply Level (FSL). The scope of work includes grouting the no longer in service wood stave culvert low level outlet, installing a Corrugated Steel Pipe (CSP) insert into the existing CSP Drop Inlet, constructing a walkway to access the infrastructure's operator gate, constructing a downstream toe berm with engineering granular filter, and upgrading the access trail and low-level crossing with granular material as needed for construction equipment access.

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