Privately Funded
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Documents Available
Publicly Funded
Addenda Available
Post-Bid
Published December 3, 2025 at 7:00 PM
Updated December 4, 2025
Site work for a bridge / tunnel in Pittsburgh, Pennsylvania. Completed plans call for site work for a bridge / tunnel.
Contract No: 1783 Job No: 1700-02 This contract includes the 18-foot finished diameter Ohio River Tunnel, the 14-foot finished diameter Chartiers Creek and Saw Mill Run Tunnels, an 8-foot finished diameter dewatering tunnel and several associated tunnel adits. The contract also includes eight deep shafts ranging in diameter from 25 - 70 feet, ten flow regulator structures, two aboveground control buildings and a river wall. Bid Security shall be furnished by providing with the Bid a Certified Check or Bid Bond in the amount of 10% of the Bid Price. Contract documents must be purchased directly from ALCOSAN to qualify as an eligible Bidder. Additionally, Attachment A of Article 1 regarding Bidder Qualifications must be submitted with Bid. Any questions regarding the Purchase of Contract Documents should be directed to the contract clerk via email to Contract.Clerks@alcosan.org. Any other questions should be directed to ALCOSAN via email to ORT.Bids@alcosan.org. The Authority reserves the right to reject any or all bids, to waive any informality in any bid and to accept any bid should it be deemed in the interest of the Authority to do so. Question Deadline date added as per Addendum 3 12/19/2025 Time - 05:00 PM
GC Bidding
Bridges / Tunnels
$750,000,000.00
Public - County
Site Work
Trades Specified
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