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Project Info
Order Number UPC State Project Number Last Date to Post Questions
404 109034 ST4D-026-F17, P401 11/11/2016
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Subject: Materials Type: Proposal
Question Date: 11/4/2016 1:12:36 PM
In the Schedule Notes at the end of the proposal, there is a provision that gives the contractor the option of utilizing either #9 aggregate or B sand as cover for the blot coat on the modified surface treatments. The issue is that there is a substantial difference in cost between the alternatives. The #9's produce a much better pavement surface and is the premium material that absolutely should be specified from a quality standpoint. The sand is cheaper, and in a low bid environment, is what contractors will be compelled to use in pricing the work. I feel that VDOT should continue to specify the #9's as they represent real progress in improving the end product. I am afraid that given an alternative, we will be forced to return to a lesser quality treatment. VDOT should specify the materials to be used and not leave it up to contractors in this case.  
Answer   Date: 11/9/2016 4:04:41 PM
This may be an issue to be discussed at the State Maintenance or Materials Engineer level. On this job, the Department will accept either #9s or B Sand as the blot coat.  
 

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