Crescent Mills Phase 4 Drainage & Grading, Crescent Mills, CA

: Project has four tasks and alternate): Phase 4-1: Clear and grub for all work areas of the site. Includes removal and capping of abandoned 8-inch steel pipe crossing southern borrow pit and relocating wood chip stockpiles as needed to a location on-site. Phase 4-2: Remove concrete from Fill Areas 1 and 2 (±15,600 sf) as shown on plans. Remove from site and replace with equal volume crushed concrete aggregate (2-inch minus) or equivalent aggregate fill. Phase 4-3: Excavate soil from existing borrow pits (±5,500 cy in place), and place over Fill Areas 1, 2 and 3 as shown on the plans. Grade and compact to 90%. Place top lift (6-inch compacted) crushed concrete aggregate from site stockpile or import on Fill Areas 1B, 2B and 3 as shown on plans. Stockpile any unused borrow soil on site as shown on plans. Phase 4-4: Install new drainage swales and spillways between borrow pits and existing infiltration pond as shown on plans. Alternate 1: Remove asphalt pavement from AC Replacement area shown on plans. Process and place as graded aggregate subgrade. Re-pave areas shown on plans; 5-inches AC and 12-inches aggregate subgrade with positive drainage to swales and borrow pits. Bonds required. Prevailing wages apply. DBE incentives. Completion date is 8/16/21.