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What kind of material is used for bid item #21 (Backfill Undercut)?

April 26, 2017backfill bid material undercut Used

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What kind of material is used for bid item #21 (Backfill Undercut)?

1 Answer

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10 Posted

The refill can be dirt or rock as long as it meets the requirements in the Standard Specifications for Road and Bridge Construction. I previously had mentioned that it should be rock refill, but I noticed that we do not have a required subgrade on this project. Therefore dirt or rock can be used for the refill.