Please disregard the Ariba Discovery posting response deadline closing time and Buyandsell posting closing time. All required supporting documentation and bid submission must be submitted on May 11, 2023 by 2:00 PM EDT. All bids submitted after 2:00 PM EDT will result in the bid being declared non-responsive. This bid solicitation cancels and supersedes previous bid solicitations EP902-221050/A dated December 23, 2021 and EP902-221050/B under RFx No. Doc3908582752 dated March 22, 2023 . THIS SOLICITATION CONTAINS A SECURITY CLEARANCE REQUIREMENT. Public Works and Government Services Canada (PWGSC), requires a qualified contractor for bridge control replacement and electrical repair services to be provided at the LaSalle Causeway Bascule Bridge in Kingston, Ontario as detailed in accordance with the Drawings and Specifications. The Contractor must perform and complete the Work by October 31st, 2024. Please note that for confidentiality reasons, the Specifications and drawings will only be made available after the Bidder has signed the Non-disclosure Agreement in Appendix 5.