TideGateway

Cohasset-05

Cohasset, James Brook

42.239853, -70.794216

Technical Specifications

Basic Properties

Type
Sluice Gate
Material
Metal
Control
Electric Actuator
Status
Active
Number of Gates
1

Operator & Management

Operator Type
PUBLIC
Operator
Town of Cohasset
Permits
Ch 91, ACOE

Dimensions & Elevations

Installation Date
2011

Culvert Details

Restriction Type
Roadway
Geometry
Rectangular
Material
Concrete
Number of Pipes
1
Dimensions
2.5ft diameter, 2.5ft height
Comments
Seaward side of gate not visible at high tide / restriction on the upstream side

Historical Records

Legacy data from previous surveys and documentation

Environmental Data

Upstream Area
Salt Marsh: 10-20 acres

Notes & Comments

Operation Comments
Controlling Elevation of 7.7 per tide gate O&M plan/TAC. Interagency TAC assisting Town with implementation of tide gate O&M plan
Gate Comments
Single Automatically actuated sluice gate installed
External Data Comments
US ACOE CENAE-R-2009-00101 Permit 9.19.2016 MA DEP Ch 91 No. 12568 10.14.2009 US ACOE CENAE-R-2009-00101 5.19.2009 (Tide Gate and Operation Plan is included as attachment to ACOE Permit) US ACOE CENAE-R-2009-00101 Modification 3.4.2011 US ACOE CENAE-R-2009-00101 Permit Compliance and Inspection Report 11.7.2013 US ACOE CENAE-R-2009-00101 Compliance Correspondence 8.15.2014 Draft Final Engineering Design Plans dated June 2010 in "Other" folder. James Brook Tide Gate Annual Report (Monitoring Data) 7.2014 Jacob's Meadow Salinity Monitoring Data (with Pictures) 7.9.2014
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