Description
The contract covers the complete removal of an existing dual‑36‑inch corrugated‑metal culvert on Bonnie Briar Street and the installation of a new 36‑inch reinforced‑concrete culvert with a precast headwall, along with associated roadway, drainage, and site‑restoration work. The scope includes earthwork, utility protection, erosion‑control measures, HMA paving, turf establishment, traffic‑control devices, and a variety of ancillary items such as mailbox relocation and signage. The contractor must coordinate with multiple utilities, comply with extensive MDOT and environmental specifications, and meet tight construction milestones, with liquidated‑damage provisions for missed deadlines.
• Remove existing metal culvert sections (6‑18 in. and 24‑48 in.) and replace with 36‑in. concrete pipe, end section, and precast headwall.
• Perform earthwork, backfill, aggregate base placement, geotextile installation, and HMA surface removal and new paving.
• Provide full traffic‑control plan (single‑lane, flagger‑operated), erosion‑control (silt fence, turbidity curtains, filter bags), and turf establishment (seed, sod, mulch, irrigation).
• Coordinate protection and relocation of existing utilities (HDPE force‑main, gas main, electric, telecom) and comply with “Call‑Before‑You‑Dig” requirements.
• Meet milestone dates: start no earlier than Sept 8 2026, culvert replacement within 4 calendar days, overall project (excluding delayed‑turf) by Oct 2 2026, final acceptance by July 2 2027, with liquidated‑damage penalties for delays.