Description
The Michigan Department of Technology, Management, and Budget is seeking a contractor to rehabilitate the Winchester Dam in Mecosta County. The project involves repairs to the primary spillway, auxiliary spillway, and embankment, as well as the installation of a new stoplog sealing system and locking mechanism. The contractor will also be responsible for excavations, concrete work, and the installation of a toe drain system. The project requires compliance with environmental regulations and permits.
• The primary spillway will undergo concrete repairs, and a new stoplog sealing system and locking mechanism will be installed.
• The auxiliary spillway will be reconstructed with a new concrete crest and stem walls, and a heavy riprap-lined channel will be installed.
• The embankment will be upgraded with a new downstream toe drain and granular filter installation.
• The project requires the use of geotextile fabric, bedding stone, and drainage stone.
• The contractor must comply with environmental regulations and obtain necessary permits.
• The project involves the excavation and removal of existing materials, as well as the installation of new concrete, steel, and drainage systems.
The project is expected to require a significant amount of labor, materials, and equipment, and the contractor must have experience with similar projects to ensure successful completion.