AI Overview

Ministry project to remediate West Arm Dam #1 involves installing a 260 m steel sheet pile cutoff wall and a 15-20 m wide filter blanket downstream.

Basic Information

Reference Number

00004651998

Issuing Organization

Ontario Shared Services

Solicitation Type

RFP - Request for Proposal (Formal)

Solicitation Number

tender_20627

Title

West Arm Dam #1 - Seepage Repair Works

Source ID

SCRIBE

Details

Location

Ontario

Purchase Type

Not Stated

Dates

Publication

2025/07/28 02:24:00 PM EDT

Closing Date

2025/08/26 11:00:00 AM EDT

Contact Information

Myrtle Higgins-Wisdom

Myrtle.Higgins-Wisdom@supplyontario.ca

Description

The Ministry plans to remediate West Arm Dam #1. A sheet pile cutoff wall and a filter blanket will be installed along the downstream toe.

West Arm Lake is located approximately 3 km northwest of the Town of Atikokan, and Atikokan is approximately 200 km west of Thunder Bay, On. Steep Rock Mine Ltd. Used the lake body for water intake and as a sediment dredge retention basin during mine development and operations. The lake’s drainage area is approximately 19 km². During operation and to prevent the dredge material from entering the Seine River, Steep Rock Ltd isolated the water body by construction earth dams and tunnel diversions.

West Arm Dam No. 1 is a homogenous compacted earth fill dam constructed of silty sand and gravel fill. The dam is approximately 18 m high, 323 m long, with an 11 m crest width, and 4.88 m freeboard.

Contractor shall supply and install a 260 m long steel sheet pile wall, and an approximate 15 – 20 m wide downstream filter blanket, and 16 m long boat launch.

Disclaimer All amendments to the associated notice, including amended documents, plans and specifications (where applicable), are issued by the originator of the notice. MERX asks you to contact the buying agency directly for these amendments. MERX stipulates that potential bidders may also be required to register with the buying authority as a bidder/plan taker. The contact information can be found within the main tender document and/or on this notice abstract.

Toutes les modifications associées à cet avis d’appel d’offres ainsi que les documents, les plans et les spécifications sont générés par l’entité responsable des achats (l’acheteur). S’il vous plait, contactez-le directement pour les addenda. Veuillez notez qu’il se peut que les fournisseurs soient obligés de s’inscrire directement avec l’acheteur. Vous pouvez trouver leur coordonnées dans le document principal ou dans l’abstrait de l’avis d’appel d’offre.

Source: https://ontariotenders.app.jaggaer.com/