Wastewater Reclamation Facility Primary Scum Flushing Loop

The Wastewater Reclamation Facility in Pueblo, Colorado is implementing a new scum flushing loop system to address chronic blockages in the 6-inch scum line connecting the Primary Clarifier to the DAF tanks. Currently, inadequate head pressure and limited backflushing capability result in solids compacting within the line, causing pump overloads and frequent shutdowns. The existing system includes a valve that diverts sludge from the Primary Clarifier directly to the DAF tanks, bypassing the Gravity Thickener during its annual maintenance period. The proposed upgrade introduces a new valve and loop configuration that directs high-volume water and sludge through the scum pump intake manifold, enabling aggressive flushing to prevent solid accumulation and maintain flow. This enhancement is designed to significantly reduce equipment strain, minimize operational downtime, and improve overall system reliability by restoring proper scouring action to the scum line. The solicitation, numbered 26-005 (WWAN04), was posted on June 23, 2026, with responses due by July 15, 2026, and is managed by the City of Pueblo’s Wastewater department under the SLED classification. The project aims to secure a contractor to design and install the new flushing loop system, with performance taking place at the facility in Pueblo, Colorado. Primary point of contact for technical inquiries is Jerry Roper, Maintenance Coordinator, reachable via phone or email, while Teresa May Burns, Director of Purchasing, handles procurement-related matters. The initiative reflects a strategic effort to modernize aging infrastructure, reduce maintenance burdens, and ensure uninterrupted wastewater treatment operations through targeted infrastructure improvements.