Clarifier No. 3 Repair

Description

Work under this Contract consists of civil, sitework, mechanical, structural, electrical, instrumentation and all related work necessary to repair the failed 16-inch diameter 90-degree elbow joint and pipe segment on the return sludge line (ductile iron pipe) located below grade within the 48-inch diameter influent line at Clarifier No. 3. In addition, this work includes all construction sequencing requirements, all startup and training activities, and all other work required for a complete and operating facility. At the City’s option, if deemed necessary, the work may also include complete replacement of the mechanism, fiberglass v-notched weirs, scum baffles, and/or density current baffles at Clarifier No. 3. Due to the location of the repair, this work includes dismantling, relocating/protecting and re-installing existing clarifier mechanism equipment (as necessary) once repair work is completed and deemed acceptable by the City