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Chelsea Village Flood Study.

Tenders are invited for Chelsea Village Flood Study


The goal of the project is to model flood hazards and identify potential flood hazard mitigation projects for the Town of Chelsea in the village area around the bridges mentioned above. A map of the general project area is attached.


TRORC will retain the services of a qualified consulting team with experience in civil engineering and river corridor management to complete the scope of work outlined below. All materials and documents, whether preliminary or final, provided in the scope of work shall become the property of TRORC and the state of Vermont.

The Consultant shall complete the following Scope of Work:

1. Model: Develop model of a 100 year flooding/hydraulic conditions on the Jail Branch and the First Branch in the Village of Chelsea. Project area will be downstream of VT RT. 110 Bridge 11 and upstream of VT RT. 110 Bridge 9 on the First Branch, centered on Bridge 45 (Maple Ave); and Bridge 43 (North Court St) downstream through VT RT. 110 Bridge 10 to the confluence of the Jail Branch and the First Branch. The main focus is a hydrologic and hydraulic sizing recommendation for VT RT. 110 Bridge 10 with a secondary focus on Town Highway Bridge 45 and 43 as well as any stream restoration designs to improve hydraulic capacity and minimize ice jamming. This model shall be designed to test current conditions, as well as potential hazard mitigation alternatives. In developing this model, the Consultant should utilize existing data developed by the Vermont Department of Environmental Conservation (DEC) River Management Section or other similar agency to the greatest extent possible.

2. Alternative Analysis: Using the model developed above, the consultant will run scenarios testing the impacts of potential mitigation measures. The Consultant will: a. Provide quantitative and qualitative data regarding the impact potential mitigation measures will have on flood conditions in Chelsea. b. Provide information, with input from the Advisory Committee and DEC River Management Section, on the compatibility of potential mitigation measures and other community goals (including, but not limited to, maintenance costs, public safety, ecological impacts, economic development, etc.) c. Based on the information in subparagraphs a. and b. above, the Consultant will assist the Advisory Committee in selecting 2 - 4 preferred alternatives.etc.

December 2, 2015 Deadline for submission of questions

December 9, 2015 Response to questions posted to TRORC s website (


Address : 128 King Farm Road,

Woodstock, VT 05091,

Contact Person: Pete Fellows

Country :United States

Email :

Url :

Notice type : Tender Notice

Open date : 2015-12-18

Tender documents : T30694067.pdf

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Publication:Mena Report
Geographic Code:1U1VT
Date:Nov 26, 2015
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