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Board discusses wing walls and bank armor for Mount Brook culvert
Summary
Board members and staff debated whether wing walls would be included, how the inlet/outlet angle and an upstream brook affect design, and agreed to follow engineer Nate Ziegars recommendations for rip-rap or rock-style wing walls.
Board members and staff discussed site-specific design questions for the Mount Brook culvert, including whether the project would include wing walls or use rip-rap/rock armoring at the inlet and outlet. Participants emphasized that the nearby brook and the bank angle would influence the final design and that some forms of wing walls can be purchased but installation depends on the engineers plans.
Jeff Hayes asked whether Contacts culvert would be preassembled; the presenter replied the unit "will come in parts" because it is large (the presenter cited a 16-foot diameter and 63-foot length). The presenter said the wing walls were likely to be rock or rip-rap style and that the contractor would install them as designed by Nate Ziegar. The board agreed to order according to Nates design and to raise any specific wing-wall questions with the engineer before finalizing the RFP.
