Turbidimeter, High Precision, Non-Contac Hardware, miscellaneous parts & supplies hardware, miscellaneous parts

The City of Houston is soliciting bids for SWAN Turbiwell turbidity monitoring equipment and components for the East Water Purification Plant (EWPP), with proposals due October 5, 2026.

The scope comprises three Monitor AMI Turbiwell units with LED AC capability, three AMI Option USB Interfaces, one Primary Standard Kit, and one Verification Kit Turbiwell with LED Low range functionality. All equipment must be new, unused, current-year production models. The primary unit (SWAN Turbiwell Monitor AMI with LED AC, Part No. A-25.411.700.1) must deliver a measuring range of 0–100.0 NTU with precision of 0.003 NTU plus 1% of reading and accuracy of 0.01 FNU plus 2% of reading across the 0–40 NTU range. Equipment must operate on 100–240 VAC, 50/60 Hz power supply and accommodate sample flow rates of approximately 5–16 gallons per hour at temperatures up to 113 degrees Fahrenheit. Delivery to the City's Maintenance Facility at 2300 Federal Road, Houston, Texas 77015 is required within 4–6 weeks. All equipment shall be covered by a minimum four-year warranty from shipment or installation date, covering parts and labor at no cost to the City. Two Operations and Maintenance manuals must be provided with delivery.

Bidders proposing alternatives must demonstrate equivalence through detailed technical literature and engineering drawings with all deviations clearly documented. Bidders must maintain fully stocked parts and service facilities subject to City inspection and be prepared to conduct specification reviews with City staff at no cost. All inquiries must be submitted in writing; no oral interpretations of specifications will be provided, and responses may be issued as addenda.