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West Street Culvert Replacement

 

Randolph, Braintree, Brookfield, Vermont

Evaluation, design, and construction-phase services for the replacement of an undersized stream culvert designed to promote aquatic organism passage and sediment transport. The existing 3-ft diameter culvert had inadequate hydraulic capacity, which led to significant sediment deposition upstream and scour downstream. Downstream scour left the outlet perched above the channel, forming an obstacle to aquatic organism passage. Following a geomorphic assessment to determine natural channel dimensions, D&K engineers identified and evaluated several alternatives. The selected option was a 14-ft-wide precast concrete box culvert with bed retention sills. Services included:

Coordinating and meeting with State regulators
Conducting a stream geomorphic assessment
Completing a topographic site survey
Computing peak stream flows and simulating flows with HEC-RAS
Designing a replacement culvert with bed retention sills
Preparing plans and specifications
Providing bid-phase and construction inspection services

  • West Street Culvert
  • West Street Culvert West Street Culvert
  • West Street Culvert West Street Culvert
  • West Street Culvert West Street Culvert

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