Bid 22-46 Field instrumentation Maintenance and Calibration Services

The City of Rochester, NH is seeking a qualified contractor to provide comprehensive maintenance, calibration, and repair services for its water‑ and wastewater‑treatment instrumentation. The contractor must handle annual calibration of all field devices, respond to routine (straight‑time) service calls, and provide 24‑hour emergency support with rapid response times. Pricing is structured as fixed hourly rates (straight‑time and overtime), a mileage reimbursement, and a parts markup; the contract runs for three years starting July 1 2022, with an option to renew annually based on performance. • Scope covers all instruments listed in Schedule A (wastewater) and Schedule B (water), including calibration, sensor/battery replacement, and detailed reporting. • Mandatory service windows: annual calibration in August/September; emergency response ≤30 min call‑back and ≤3 hr on‑site. • Contractor must supply specific calibration equipment (e.g., DRUCK DPI 603 pressure calibrator, TRANSMATION 1045 current generator) and maintain at least two full‑time qualified technicians with ≥5 years experience.