Sea Lamprey Trap (East Branch) Au Gres River, MI
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*****Update 24 November2021 - Amendment 0001 has been included to extend the date of the solicitation closing and bid opening date. The original bid opening date was scheduled for 10 December 2021, however, the bid opening date is now extended until 11 January 2022***** Construct a sea lamprey trap structure at the Michigan Department of Natural Resources weir located on the east branch of the Au Gres River, Iosco County, MI. The structure will be located on the west side of the river and will consist of a marine platform, trap vault, and lift system. The aluminum grating platform will be 25 feet long and 10 feet wide and will be supported by driven H-piles and H-pile girders. Steel railing will be installed along the edges of the platform. The trap vault will be formed by steel plates bolted and welded to the driven piles and will have a concrete base and two sluice gates to control flow. A 1-ton pedestal mounted davit crane with a manual hoist is to be installed on the structure for trap removal. The sea lamprey trap will be constructed by the U.S. Fish and Wildlife Service (USFWS) in a separate contract and will be designed to fit into the trap vault. In addition to the construction of a sea lamprey trap structure, the project will also include the creation of an access path leading to the platform and repairs to the east bank weir wingwall. The access path will consist of two steel sheet pile (SSP) enclosures constructed on the north and south sides of an existing stormwater swale and steel grating spanning the width of the swale. The path will be 15-feet-wide and approximately50-feet-long. The SSP enclosure will have H-pile cross beam bracing and will be filled with crushed limestone fill. The existing stormwater swale will be re-graded and lined with riprap. The repairs to the wingwall will include the installation of an SSP anchor wall and H-pile cross beam bracing connecting to the existing wingwall. Stone ranging in size from aggregate to a D50 of 10 inches, will be required throughout the project as erosion protection. Access road repairs including grading will be required at the time of construction for equipment access to the site. Restoration activities throughout the project site will include excavation, grading, and seeding prior to demobilizing equipment. The contract is expected to be awarded around January 2022. Estimated cost of maintenance and repair services is between $500,000 and $1,000,000. The North American Industrial Classification System (NAICS) code is 237990.Other Heavy and Civil Engineering Construction, which has a small business size standard of $39.5 million. This is a Full and open procurement. In accordance with Federal Acquisition Regulation 19.1307, this project requires the HUBZone 10% price evaluation.