Plainwell Spillway Removal and Channel Restoration - Phase 1

INDEX NUMBER 87710 Removal of the existing concrete spillway, selective river widening on the Kalamazoo River and floodplain creation, disposal of excavated materials, installation of wood habitat structures, channel bar features, new boat launch and parking area, and site restoration including seeding and planting. ACCEPTING QUESTIONS UNTIL: February 22, 2022, at 2 pm Local Time, emailed to: janeen.mcdermott@aecom.com Completion- June 1, 2023 (deadline) INDEX No. 87710 If you experience issues or have questions regarding your electronic submission, you must contact the SIGMA Help Desk for assistance prior to the 2:00 p.m., solicitation deadline. You may contact the SIGMA Help Desk by telephone at 517.284.0540 or toll-free at 888.734.9749. You may also email the SIGMA Help Desk at sigma-procurement-helpdesk@michigan.gov Please email the Design and Construction Contract Specialists if you are having SIGMA VSS issues. Please include your SIGMA ticket number and any supporting documentation (i.e., screenshots) to Anne Watros (WatrosA@michigan.gov) and Don Klein (KleinD4@michigan.gov).

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Precast Concrete.
Division 31 -	Earthwork, Site Clearing, Grading, Excavation and Fill, Subgrade Preparation, Excavation, Earthwork Methods, Shoring, Tunneling and Mining, Tunnel Excavation.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Utility Drainage Piping, Storm Utility Water Drains, Storm Drainage Structures.
Division 35 -	Waterway and Marine Construction, Dam Construction and Equipment.