North End Wastewater Treatment Plant Project

• Demolition and removal of existing vault lid, vacuum‑valve enclosure, and pressure hatch. • Installation of a new 21,000‑lb precast concrete lid, owner‑supplied hatch, and stand‑pipe designed for higher hydrostatic pressure. • Coordination with utilities, erosion‑control, waste‑management, and compliance with OSHA, WISHA, Clean Air Act, and local storm‑water rules. • Required submittals: Health & Safety Plan, Construction Waste Management Plan, Traffic Control Plan, shop‑drawing schedule, weekly progress updates, and final close‑out documentation. • Fixed‑price contract (base estimate $212,300) plus sales tax, with 5 % bid bond, 100 % performance/payment bonds, and 5 % retainage.