Description
The project involves the rehabilitation of the Winchester Dam in Mecosta County, Michigan. The scope of work includes the repair of the primary spillway, auxiliary spillway, and embankment. The project requires the installation of new stoplogs, stoplog locking mechanisms, and concrete repairs. The contractor will also need to provide temporary cofferdams, dewatering systems, and erosion control measures. The project is expected to be completed within a certain timeframe, and the contractor will be responsible for obtaining all necessary permits and approvals.
Key aspects of the project include:
• Repair of the primary spillway, including the installation of new stoplogs and stoplog locking mechanisms
• Repair of the auxiliary spillway, including the installation of a new concrete crest and the replacement of the existing tile drain
• Embankment upgrades, including the installation of a new toe drain and the regrading of the downstream slope
• Erosion control measures, including the installation of geotextile fabric and riprap
• Dewatering systems, including the installation of a temporary cofferdam and a drainage system