AMENDMENT 0001: Adding site visit sign in sheet, ProjNet Q and As, update FAR 52.216-22 and FAR 52.228-15 (Changes in Red).Mark Twain Lake Facility Infrastructure Construction and Maintenance IDIQ. The work covered by this contract consist of furnishing all equipment, labor, operators, supervision/site superintendent, quality control, supplies, materials, and incidentals necessary to satisfactorily perform and provide rehabilitation, repair, construction, and maintenance functions at the Mark Twain Lake Project. Required work includes but is not limited to earthwork operations, borrow operations, care of water, turfing, various stone surfacing/placement, concrete work, waste disposal, boring operations, procurement and installations of structures, and rehabilitation, repair, and maintenance of roads, parking lots, trails, campgrounds, flood risk components, drainage structures, water/sewer/electrical utilities, grounds, facilities, assets, and shorelines. Areas of work involving characteristics that are similar to the types of work described herein: Road maintenance, repair, and new construction. Water/Sewer/Electrical Utility maintenance, repair, and new construction. Procurement and Installation of Structures such as Precast Comfort Stations (Restrooms). Recreational / Park / Campground components, grounds, or facilities maintenance, repair, and new construction., Shoreline Stone Revetment