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View Enquiry: BE 2014-2002-022


Contract Details
Contract Number
2014-2002
Region
Central
Tender Owner
MTO Capital
Location
N\A
Highway
401
Length
0
QMS Declaration
Yes
Option A or B bidding
No
Contract Description
DESIGN BUILD - Structural Bridge Replacement
Tender Instructions
EXPRESSION of INTEREST must be received electronically as prescribed in the Expression of Interest document by 1:30:00 P.M. local time on: August 19, 2014.
Contract Dates
Tender Advertise
16-Jul-2014
Tender Opening
11-Dec-2014 at 01:30:00 PM
TRF Submission Opening
13-Nov-2014
TRF Submission Closing
05-Dec-2014 at 12:00:00 PM

Enquiry Details
Enquiry Date
14-Nov-2014 at 11:45:24 AM
Type
Other
Subject
Stainless Steel in Bridge Decks
Enquiry
For stainless steel requirements in bridge decks, the wording provided in Addendum 1 and Section 2.4.8.3 of the RFP states “as required in Section 2.8.2 of MTO Structural Manual…”. This is ambiguous because Section 2.8.2 does not clearly state that stainless steel is required in the bridge decks (and where). It refers to Section 12 of the Manual, which also does not clearly state that stainless steel is required (and where). The Structural Manual page 12-2 (update 2013 02 15) states that “For waterproofed decks carrying AADT less than 50,000, premium reinforcing is not required in the deck except as specified in this clause. For larger traffic volumes, any additional use of premium reinforcing materials shall be justified by a life-cycle financial cost-benefit analysis.” Since traffic volumes exceed 50,000 within the Project Area the requirement use of stainless steel in bridge decks (and where in the deck) is not clear. Please confirm that this is an additional use of premium reinforcing materials over and above that required in Cl. 12.1.3 (a. to e.) of the Structural Manual and that it applies to the entire top surface of the bridge decks of the overpass structures, for bars within 100mm (e.g. cover specified as 125 +/- 25mm) of the top of the deck surface. Please also confirm if an addendum will be issued to cover this change.

Response Details
Response Status
Completed
Response Date
20-Nov-2014 at 02:16:42 PM
Response
For all Overpass structures, stainless steel bars are required within 100 mm of the deck surface. This will be clarified in RFP Addendum #2.