Specifications include, but are not limited to: The construction of the Steven M. Clouse WRC Primary Clarifier Rehabilitation Project. CLARIFIER NOS. 1 TO 5 AND 8 1. Sandblast to near white finish and coat the following components: a. Rake Arm b. Influent Column c. Feedwell and associated supports 2. All components identified to be sandblasted and coated will first be inspected and determination made to either repair or replace the specific item. If steel is found to be in satisfactory condition it will be painted. If not, consideration will be made to replace and/or repair. The decision to repair or replace will be made by the OWNER with input from the ENGINEER, and Clarifier Manufacturer. 3. Pressure wash clarifier walls and floors including the effluent trough and effluent drop box. 4. Repair the following components: a. Effluent Drop Box Walkway- remove and replace existing grating support channels/beams. Seal off area by extending a chain to limit access to this area. b. Cut a section of the concrete support structure at the effluent drop box. 5. Remove, dispose of, and replace the following components: a. Bridge/walkway. The new bridge/walkway will be designed and included as part of the clarifier manufacturers supplied equipment. The bridge/walkway tested positive for lead paint. b. Gusset Plates and center well braces. c. Drop box walkway channels/beams. d. Scum box and scum box discharge pipe (6-inch). Include flush line. e. Combined Scum box and primary clarifier water spray piping, nozzles, and associated valves. f.Skimming arms (two (2) total) and supports. Provide bolted connections between skimming arm and rake arm to level clarifier. Once the clarifier is level, weld all bolted connections. g. Scraper Blade Squeegees. h. Scum Baffle Plate i. V-Notch Weirs j. Primary Clarifier Control Panel k. All electrical conduits and conductors. l. Replace all lights with LED Lights. m. Remove dual drive units for refurbishment by SAWS. Re-coat the drive units and reinstall after drive units are refurbished by SAWS. Coordinate with SAWS Staff.
