Description
The Miami‑Dade County Water and Sewer Department is seeking a qualified contractor to perform comprehensive mechanical‑integrity testing and rehabilitation on ten underground injection wells (nine at the Central District Wastewater Treatment Plant and one at the South Miami Heights Water Treatment Plant). The work includes suppressing artesian flow, well‑head removal, casing cleaning, high‑resolution video, pressure testing, temperature and conductivity logging, radioactive tracer surveys, and rebuilding of well heads with new gate valves and fittings. All personnel must meet fingerprint‑based security requirements and the contractor is responsible for obtaining all permits before work begins. The contract is awarded to the lowest responsible bidder and is valued at approximately $1.72 million, with a 180‑day performance window.
• Perform MIT, VSL, HRT, conductivity, pressure testing (≤150 psi) and I‑131 tracer surveys on each well.
• Clean and refurbish steel and FRP casings, reinstall or replace 6‑in. gate valves, replace gaskets/bolts, and paint above‑ground piping.
• Comply with security fingerprinting, obtain all permits, submit detailed logs/reports, and adhere to a strict 180‑day schedule.