AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline closing time and CanadaBuys posting closing time. All required supporting documentation and bid submission must be submitted by September 20, 2024 at 14:00 EDT. All bids submitted after 14:00 EST will result in the bid being declared non-responsive. This requirement is to provide maintenance services of the Building Automation Control Systems (BACS) and all related pumps, piping, valves, strainers, back flow and or check valves and associated mechanical-electrical and controls with the Statement of Work attached herein at Annex F. This requirement is for Public Works and Government Services Canada (PWGSC) located at CFB Uplands. A mandatory site visit will start at 48 Sampson Private (Ottawa) on August 21, 2024 at 14:00 EDT. Bidders must communicate with the Contracting Authority no later than August 14, 2024 at 14:00 EDT to confirm attendance and provide the name(s) and date of birth(s) of the person(s) who will attend.