City of San Diego PlanetBids #10090521-27-B

Wastewater flow-monitoring equipment, ENS software, and support services for the City of San Diego

The City of San Diego is seeking an integrated wastewater flow-monitoring program for approximately 163 sites, including equipment, software, data services, and ongoing field support. - Government buyer: City of San Diego Public Utilities Department, Engineering & Program Management Division; solicitation managed by the Purchasing & Contracting Department. - OEM and vendors: ADS Environmental Services is identified as the incumbent, and Triton+ is cited as an example meter for certain applications, or equivalent; no OEM is mandated. Prospective bidders named are Gierlich - Mitchell, Inc. and Lucky Frog Industries Inc. dba Flow Measurement Services. - Equipment: Area-velocity meters (price schedule estimate: up to 188 in Year 1 and 5 annually thereafter); depth-only meters (up to 12 in Year 1 and 5 annually thereafter); rainfall gauge sensors (1 annually for eight years); and meter components, sensors, batteries, data loggers, and 4G LTE modems. The scope also describes up to 25 new permanent meters initially and up to 5 additional meters annually, 8 existing temporary monitors, and up to 10 new temporary monitors. No part numbers are specified except the Triton+ model reference. - Services: Software/server and Event Notification System (ENS) development and integration; installation, relocation, removal, calibration, maintenance, repair, and replacement; cloud data management, analysis, reporting, and training. Price-schedule estimates include 18 temporary meter relocations in Year 1 and 10 annually thereafter, 10 meter removals annually, and depth-only meter installation/removal quantities specified in the line items below. - Notable requirements: Support real-time overflow alarms, participating-agency billing and reporting, and sewer modeling. Metering must support 4-20 mA signals and flow rates up to 50 million gallons per day for applicable sites; sensors must accommodate pipes up to 114 inches, and depth measurement must cover surcharge up to 30 feet of head. Data loggers must store at least 30 days of measurements at 15-minute intervals (60 days preferred), and modems must use 4G LTE. ENS data availability and meter uptime requirements are at least 95%; provide 24-hour crew support, site-service reporting, five-year record retention, and specified staff training.

Description

The City of San Diego is seeking wastewater flow monitoring equipment, software, and related services for approximately 163 monitoring sites. The contractor shall provide meter parts, sensors, battery replacements, software, data analysis, reporting, and maintenance. The program supports real-time and periodic wastewater-flow data processing for event notifications, participating-agency billing and reporting, and sewer modeling. The RFP describes a four-year contract term with four additional one-year renewal options.

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