Building Magazine


Contract awarded for the next section of Eglinton Crosstown tunnel construction

The Metrolinx Board of Directors has approved the award of the Eglinton Crosstown East Tunnel construction contract from Yonge Street to just east of Brentcliffe Road. “Approval to award this contract means Metrolinx and the Province of Ontario can keep moving forward to deliver public transit that will transform the way residents travel across the region,” said Metrolinx President and CEO, Bruce McCuaig. This $177-million contract is the second of the two tunneling contract packages for the Crosstown Project.

Aecon Dragados Joint Venture will begin work in late 2013 to construct approximately 3.25 km of twin tunnels using two tunnel boring machines and precast concrete tunnel lining segments supplied by Metrolinx. The twin tunnels are to be constructed as a single pair of drives from a launch shaft located east of Brentcliffe Road to an extraction shaft located east of Yonge Street.

Tunnelling from the west launch shaft area near Black Creek Drive to Yonge-Eglinton station began in June 2013, under a contract awarded by the Metrolinx Board last year.

The Tendering Process

A Request for Pre-Qualifications was publicly advertised on the MERX website on January 14, 2013 to pre-qualify tunnel contractors and jet grout subcontractors. Submissions were received on February 14, 2013.  Eight respondents requested copies of the Pre­-Qualification package and eight respondents/joint venture entities provided submissions.

Pre-Qualification submissions which met mandatory requirements and received a minimum score of 70 points for the qualitative evaluation were invited to bid on the subsequent tender process. Eight respondents joint/venture construction contractors and eight jet grout subcontractors met the specified requirements and were approved to proceed to the tender stage. Specifications and drawings were prepared for the Eglinton Crosstown East Tunnels construction contract from Yonge Street to Brentcliffe Road and the bid package was issued on July 9, 2013 to all pre-qualified respondents/joint venture entities. All pre-qualified respondents were provided with copies of the tender documents.

Before the tender close, two of the pre-qualified -contractors, joined to form a new Joint Venture. This proposal and the new entity were acceptable to Metrolinx, which allowed them to submit their bid as a single Joint Venture. Based on this, the total number of pre-qualified bidders for this project was reduced to seven contractors.

Tender Results

Metrolinx received a total of three bid submissions on September 12, 2013 out of seven pre­qualified bidders. Tender prices ranged from a low of $176,663,700 to a high of $224,699,345 exclusive of HST. The remaining four prequalified bidders who did not participate in the bid indicated that the major reasons include: insufficient tendering period for the project, high number or pre-qualified contractors, required utility work, backlog of work and other potential projects.

Metrolinx project staff recommend award to Aecon Dragados Joint Venture as the lowest tendered price compliant contractor.

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