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Electrical Installation at the Marble Mountain Radar Site

Solicitation number 5000061263

Publication date

Closing date and time 2021/10/07 15:00 EDT

Last amendment date



    The following statement of work describes the requirements to complete and upgrade the electrical service required to provide 120/240V single-phase power to the Marble Mountain Radar site via the ski-hill owned Medium Voltage switchgear (12.5KV), along with replacement of the analog communications cable. The site is located at the top of the Marble Mountain Ski Resort in Newfoundland. Work must be completed by June 2022.


    The objectives of this work, from the top chair lift to the radar ground shelter, are:

    1. To supply and install a PMH-4 switch (S&C Electric) near the existing switch located approx. 40m downhill from the ski lift. New conductors will be installed and terminated between the existing and new switchgear; 
    2. To supply and install two direct buried primary electrical power cables (15kV 1/0 AWG Double seal - Prysmian Cables or equivalent) from new switchgear to a new distribution transformer at the radar station for approximately 650m (1300m total);
    3. To supply and install a direct buried telco/data 12 pairs cable (CELFIL 12Pair Copper) from the chair lift building at the top of the ski hill and run the cables underground in the same trench as the Medium Voltage conductors to the weather radar site for approximately 620m;
    4. To supply and install 75kVA Transformer (Eaton/Cooper Shrubline 12.5KVΔ 3ph – 120/240V 1ph) at the radar site;
    5. To supply and extend approximately 8m of existing power/telco 4in conduits from current temporary terminations to final termination locations (to be determined for the telco pull pit and transformer pad);
    6. To supply and install approximately 20m of secondary power cable (3/C 500MCM AWG Copper RW90 and #1 TW Ground Copper) in the 4in conduit from 75kVA transformer to radar shelter disconnect main switch.
    7. To make all terminations to communications equipment and power distribution equipment; and
    8. To provide connectivity from the ski-hill electrical power utility to the ground shelter main disconnect.

    The ground shelter supplied at the site has already passed a CSA field evaluation inspection. The electrical provider will plan for 400A service equipment ratings however internal service entrance is fused at 300A service. 

    Contract duration

    Refer to the description above for full details.

    Trade agreements

    • Canadian Free Trade Agreement (CFTA)

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    Contact information

    Contracting organization

    Environment Canada
    Contracting authority
    Davis, Shawn
    200, boul. Sacre-Coeur
    Gatineau, QC, K1A 0H3

    Buying organization(s)

    Environment Canada
    Bidding details

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    Summary information

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