Information de base

Numéro de Référence

AB-2023-05987

Organisation émettrice

Alberta Public Sector

Type d’appel d’offres

DDP - Demande de proposition (Formel)

Numéro d’appel d’offres

24AGR061

Titre

St. Mary Dam Irrigation Outlet Inspection - 2023

Code d’identité d’origine

APC

Types d’accord

Accord de Libre-Échange Canadien (ALEC)

Accord d’Échange du Nouveau Partenariat de l’Ouest (AÉNPO) / Accord d’Échange, d’Investissement et de Mobilité du Travail (AÉIMT)

Détails

Emplacement

Alberta

Dates

Publication

2023-10-02 02h00:00 HAE

Date de fermeture

2023-10-16 16h00:00 HAE

Information du contact

Michael McAllister

780-224-6927

Description

2.0 PROJECT DESCRIPTION
This project requires an assessment of the St. Mary Dam Irrigation Outlet including all hydraulics, actuators, operating gates, emergency gates, control systems and the outlet tunnel.

2.1 Background
The St. Mary Dam impounds the St. Mary River – a tributary of the Oldman River in southern Alberta and is situated about 35 km upstream of the confluence with the Oldman River, about 20 km northeast of the town of Cardston. 1). The main function of the dam and impounded reservoir are to provide secured water supply for irrigation users and others. Primary users include the St. Mary River Irrigation District (SMRID).

The irrigation outlet works consists of an inlet gallery with trash rack, inlet structure, a concrete lined semicircular tunnel with a discharge capacity of 91 m3/s and an outlet section. The tunnel is 5.2m in diameter and 763m long. The irrigation tunnel conveys flows into the Waterton St. Mary Headwork System canal. The shaft and stairwell are the only means of accessing the irrigation outlet valves, gates and mechanical systems.

3.0 SCOPE OF WORK
Alberta Agriculture and Irrigation requires the services of an Engineering Consultant to undertake an inspection of the St. Mary Irrigation Outlet. The services to be provided shall include:
1. Review previous studies, information, drawings, and technical reports including construction records, previous geotechnical investigations, structural design and structural assessments of the infrastructure.
2. A site visit and thorough inspection of all gates, gate thimbles, and chambers for the operating gates, emergency gates and the upstream side of the outlet tunnel.
3. Inspection of inlet gallery including trashrack and concrete structure.
4. In addition a review of the KCB inspection of 2022 shall be conducted and any gaps in the report regarding the inspection, assessment and recommendation for hydraulics, actuators, operating gates, emergency gates, control systems, and the outlet tunnel shall be addressed.
5. A coffer dam shall be constructed for the purpose of inspecting the outlet tunnel. This will include any access required for construction and inspection by equipment or person.
6. Removal of the coffer dam upon completion of inspection and repairs.
7. In the event that the reservoir level is above 1081 m on November 1st, the inspection will not be conducted.

Afficher davantage

Pour plus d’information sur cet appel d’offre, cliquer sur le lien suivant:

http://vendor.purchasingconnection.ca/Opportunity.aspx?Guid=b71ac704-da20-1b65-0ef0-39c2ed490000 (s’ouvre dans un autre onglet)

Dérogation 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 noter 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.