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ATTACHMENT A <br /> INDIAN RIVER COUNTY DEPARTMENT OF UTILITY SERVICES <br /> SOUTH WASTEWATER TREATMENT FACILITY <br /> ODOR CONTROL IMPROVEMENTS <br /> SCOPE OF SERVICES (Continued) <br /> HVAC- 1 South WWTF Screening Dumpster Area Ventilation Plan , Sections and Detail <br /> E- 1 South WWTF Electrical Site Plan <br /> E-2 South WWTF Single Line Diagram <br /> E-3 South WWTF Biofilter Electrical Plan and Details <br /> E -4 South WWTF Aerobic Digester Scrubber Electrical Plan <br /> E-5 South WWTF Aerobic Digester Electrical Details <br /> E-6 South WWTF MCP Layout <br /> I - 1 South WWTF MCP PLC Input Schematic Diagram <br /> Task 2 . 1 - Construction Plans - South WWTF Anoxic Basin Covers and Odor Control <br /> PBS&J will prepare construction plan sheets for the addition of aluminum or fiberglass <br /> covers for the South WWTF anoxic basins . PBS &J will prepare construction plan sheets <br /> for the addition of a modular biofilter and associated duct, blower, electrical and controls , for <br /> the covered anoxic basins . <br /> Task 2 .2 - Construction Plans - Improved Ventilation for Screenings Dumpster Area - <br /> South WWTF <br /> PBS &J will prepare construction plan sheets for improvements to the ventilation system at <br /> the South WWTF screenings dumpster area such that the doors can remain closed . The <br /> improvements will include duct that will be routed to the anoxic basin biofilter. <br /> Task 2 . 3 - Construction Plans for South WWTF Aerobic Digester covers and <br /> Scrubber System <br /> PBS &J will prepare construction plan sheets for the addition of aluminum or fiberglass <br /> covers and associated odor control scrubber. Absent any site-specific odor emission data , <br /> IRC and PBS &J agree that the basis of scrubber design shall be a two-stage chemical <br /> scrubber with caustic and sodium hypochlorite used for both stages . Construction plans will <br /> include a concrete foundation for the scrubber system and electrical and instrumentation <br /> drawings . <br /> PBS &J will provide technical support to IRC staff to self perform installation of the caustic <br /> soda and sodium hypochlorite storage and feed systems as described in Task 1 . 2 . <br /> Task 2 . 4 - Specifications <br /> PBS &J will prepare additional technical specifications related to the project and will <br /> incorporate County standard "front-end " ( Division 0- 1 ) specifications . <br /> CAF/bw/C:\Documents and Settings\cf7137\Loca1 Swings\Temporary Internet Files\OLK9FWTTACHMENT A TO South WWTF Scope 3-25-03.doc <br /> Last Revised 5/4/2003 9:04 AM <br /> 3 <br />