Annual Flow Meter Calibration, Installation, Repair, and Replacement

Arlington County is soliciting bids for annual flow meter calibration, installation, repair, and replacement services at its Water Pollution Control Plant, with bids due September 30, 2026 and questions due September 21, 2026. This is a Small Purchase Negotiation (SPN) through the Virginia PRISM+ eProcurement system.

The scope encompasses calibration, installation, troubleshooting, repair, and replacement of flow meters across influent, Potomac Interceptor, Four Mile Run, pump flows, and gravity flows. Services include annual on-site calibration, loop testing, installation of new or replacement meters (electromagnetic, ultrasonic, open channel, Doppler), removal and disposal of obsolete equipment, integration with existing control systems, and diagnosis and repair of inaccurate readings and mechanical failures. Deliverables are comprehensive calibration and service reports with recommended repairs, documentation of all repairs and parts replaced, operational verification results, and prioritized maintenance recommendations. Work is performed during normal business hours (6:30 a.m. to 2:30 p.m.) unless otherwise approved. Place of performance is the Arlington County Water Pollution Control Bureau Warehouse at 3111 S. Fern Street, Arlington, Virginia 22202, FOB Destination.

The estimated total contract value is $200,000 not to exceed, across a maximum five-year term consisting of an initial twelve-month period followed by up to four additional twelve-month renewal periods. Award is to the lowest responsive and responsible bidder. Pricing must be submitted on the provided Attachment 1 Excel spreadsheet and includes three components: a catalog market basket percentage discount on all parts (firm throughout the contract duration), service costs for calibration, installation, and repair work within regular hours, and per-event charges for mobilization/demobilization and confined space entry.

The successful contractor must provide a Certificate of Insurance with Virginia statutory workers compensation ($500,000/$500,000/$500,000), commercial general liability ($1,000,000 per occurrence/$2,000,000 aggregate), business automobile liability ($1,000,000 combined single-limit), and cyber risk coverage ($2,000,000 per occurrence), with Arlington County listed as an additional insured. Compliance with OSHA requirements, Lockout/Tagout procedures, and confined space entry protocols is mandatory. All bidders must be registered with the Virginia State Corporation Commission if applicable.