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View Enquiry: BE 2019-2002-112


Contract Details
Contract Number
2019-2002
Region
Central
Tender Owner
MTO Capital
Location
From 1.0 km south of Highway 407 ETR northerly to Major Mackenzie Drive; Site No. 37W-0276/B1&B2; Site No. 37W-0277/B1&B2; Site No. 37W-0666/B1&B2; and Site No. 37W-0347/B1&B2
Highway
404
Length
2
QMS Declaration
Yes
Option A or B bidding
No
Contract Description
Grading, Drainage, Granular Base, Hot Mix Paving, Electrical, ATMS and Structural Length: 13.6 Km
Tender Instructions
Contract Dates
Tender Advertise
06-Mar-2019
Tender Opening
28-May-2019 at 03:00:00 PM
TRF Submission Opening
30-Apr-2019
TRF Submission Closing
24-May-2019 at 12:00:00 PM

Enquiry Details
Enquiry Date
06-May-2019 at 09:33:03 AM
Type
Contract Quantity Sheet
Subject
Item 44 PVC Pipe
Enquiry
The Quantity Sheets require the use of PVC pipe for the outlets and this requires the installation of steel casings. The operational constraint for item 44 requires a minimum cover of two casing diameters, but the Quantity Sheets indicate that this cover is not present at any of the outlets. Please clarify how these installations are to be made.

Response Details
Response Status
Completed
Response Date
22-May-2019 at 02:43:10 PM
Response
The OC for Item 44 has been deleted in its entirety as per Addendum 1. The cover noted in the quantity sheets is from the proposed surface to the top of pipe at the upstream end. The minimum crown cover requirement of two times the casing diameter applies to the existing roadway. The sewer outlets are all low enough such that they have cover of at least two times the pipe diameter to the existing roadway. The contractor is responsible for determining the casing diameter necessary to meet this requirement.