The work under this contract is to provide all labor, materials, equipment, and incidentals necessary for the installation of 39, 12-inch diameter timber piles/ASTM D25, Southern Pine around three sides of the CAD cell. Timber piles must be installed at a maximum spacing of 60 feet on center. Each pile must be embedded to a depth of 30 feet below the existing mudline to ensure adequate stability and support for the turbidity curtain system being installed under a separate contract. Top of pilings will be at an elevation of 20’ MLLW. Pilings will be installed 10’ horizontally beyond the top of slope of the CAD cell. See Attachments for basis of design and design plans. Work to be completed by 10/24/2025. Work does not include installation and maintenance of the turbidity curtain, which will be completed under a separate project. US Army Corps of Engineers and Maine Department of Environmental Protection permits are pending and will be forwarded upon receipt.
