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View Enquiry: BE 2019-2119-149


Contract Details
Contract Number
2019-2119
Region
Central
Tender Owner
MTO Capital
Location
From 1.8 km West of Glendale Avenue, Easterly to 1.2 km East of Glendale Avenue; Site No. 18X-0161/B0; and Site No. 090200.
Highway
1
Length
0
QMS Declaration
Yes
Option A or B bidding
No
Contract Description
DESIGN BUILD MAJOR: QEW / Glendale Avenue Interchange Reconstruction
Tender Instructions
EXPRESSION OF INTEREST must be received electronically as prescribed in the Expression of Interest document by 01:30:00 P.M. local time on: October 30, 2019
Contract Dates
Tender Advertise
25-Sep-2019
Tender Opening
28-May-2020 at 01:30:00 PM
TRF Submission Opening
30-Apr-2020
TRF Submission Closing
22-May-2020 at 12:00:00 PM

Enquiry Details
Enquiry Date
02-Apr-2020 at 01:03:00 PM
Type
Other
Subject
DDI Substantial Completion Date
Enquiry
The Proponent, through a supplementary subsurface investigation at the project site and settlement analyses has independently confirmed the results of the settlement analysis presented in WSP’s memorandum dated February 12, 2020. Both WSP and the Proponent have concluded that without ground improvement or other methods to accelerate the rate of consolidation settlement of the compressible cohesive soils below the new embankments, a period of 2 years or longer will be needed to achieve the MTO requirement for post construction settlement of less than 25 mm. Ground improvement methods will be necessary to meet the current prescribed project completion dates, however, these methods will significantly increase the construction costs for this project. Would the MTO consider an extension to the DDI substantial completion date to ensure the settlement can occur within the prescribed project timeline in efforts to reduce the capital cost of the project.

Response Details
Response Status
Completed
Response Date
17-Apr-2020 at 09:35:55 AM
Response
The Ministry will not extend the contract completion date. The DBR concept design considers the use of wick drains and cellular concrete to meet the contract completion dates, including the interim Diverging Diamond Interchange completion date. The Design-Builder shall incorporate the appropriate construction methodology necessary to meet the contract completion dates, including the interim Diverging Diamond Interchange completion date.