QA_11-12-2024.pdf
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- Attached to
- OR FLAP UMATILL 582(1), Mill Creek Road
- Solicitation number
- 69056724B000019
About this file
This document appears to be a set of questions and answers related to a federal construction contract opportunity for the OR FLAP UMATILL 582(1) Mill Creek Road project.
The key details are:
- The questions focus on whether traffic will be allowed on the new aggregate base before the chip seal is complete, and the impacts this may have on construction access and sequencing.
- The agency's responses indicate that the solicitation requirements regarding traffic restrictions on the aggregate base must be followed as stated, and that bidders should submit their proposals accordingly. The agency does not entertain changes to these requirements.
- The contract opportunity is for a construction project on the OR FLAP UMATILL 582(1) Mill Creek Road, solicitation number 69056724B000019. It is a readvertisement of a previously canceled solicitation.
- The opportunity is being offered as full and open competition, with a Price Evaluation Factor for HUBZone Small Businesses.
- The contracting agency is the Department of Transportation Federal Highway Administration.
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Text version
OR FLAP UMATILL 582(1)
Mill Creek Road
# General Technical Question Answer Date
1 X
In regards to the attachment that comes with this solicitation "GR1223 Pavement Evaluation" page #7 specifically states the following.
"Do not allow traffic on the compacted aggregate material except as necessary for placing the new AB, prime coat, and chip seal.
6.2.2 Aggregate Base
After placing the final 4-inch lift of new AB, traffic should not be permitted before the chip seal construction is complete."
Will this be a condition that is rerquired to be followed as part of this project? We read it as there is not allowed to be traffic on the aggregate reconditioning surface, nor the added
Baserock surface until the chip seal is complete.
Please elaborate on what will and will not be allowed.
This will be addressed under Amendment
A001.
11/7/2024
Check General or Technical
In amendment 1 it states that “After placing the final 4” lift of new aggregate base, traffic should not be permitted before the chip seal is complete”
Due to the fact that there are many houses on the project, that to the bidder makes it seem like only 1 lane for approx.. ½ the project can be completed at a time. Flagger control would have to be in place 24 hr per day to run residents on a single lane for 1.4 miles.
After the chip seal is complete, there is a very good chance that the adjoining lane to be done next will not match up properly as it relates to elevation.
This verbiage increases chip seal to a minimum of 2 days, more likely 4 days and increases TC to keep the public off of newly constructed aggregate base.
Is this how the owner would like this work to be completed?
Please submit bids according to the solicitation documents.
11/12/2024
In the Addenda it states that “After placing the final 4” lift of new aggregate base, traffic should not be permitted before the chip seal is complete”. As there is a 4” lift of new Agg Base being placed above the existing roadway elevation, this would leave a 4” vertical edge along centerline. This edge would need to be delineated with TCD’s and 24-hour flagging would be required. There are also issues concerning the quality of the match line along centerline of the roadway if it was to be constructed one lane at a time. Has the Agency considered these issues?
Please submit bids according to the solicitation documents.
11/12/2024
File details come from the government source that posted it. Updated .