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Administration Resolution 6 ' <br /> 3. Dedications to Orange County of 20'sewer easements that are outside of the <br /> public right-of-way shall be shown on the Final Plat prior to Planning Department <br /> signatures on the Final Plat. Prior to issuance of any occupancy permits the <br /> developer shall submit a copy of a letter from the County Engineer that the lines <br /> have been installed and dedicated to Orange County. 'As-built' drawings shall be <br /> submitted to and approved by County Engineer prior to issuance of the first <br /> certificate of occupancy. <br /> 4. Community Sewer service provided by a STEP system composed of an <br /> individual septic tank and pump tank at each home and small diameter force <br /> main wastewater collector network. <br /> The STEP system shall include a 1000-gallon capacity septic tank and a 1000- <br /> gallon capacity pump tank on-site at each home. Wastewater shall flow by <br /> gravity from each home to its septic tank and thence to its pump tank. Each pump <br /> tank will be fin-nished with water level controls for pump on,pump off, and high <br /> water level alarm controls such that the system has approximately 800 gallons of <br /> extra wastewater storage in the event of power or pump failure. Each system shall <br /> 1) have a local/outside power shutoff, 2)be powered through the household <br /> circuit breaker panel,and 3)be ftm-tished with audible and visible alarms with <br /> reset. Each on-site portion of the system shall be protected by backflow <br /> prevention in the form of check valves in pump discharge piping. Septic and <br /> pump tanks and associated piping and wiring layouts, etc. shall meet standards <br /> currently applicable to those systems permitted by the Orange County Health <br /> Department. <br /> The small diameter force main wastewater collector network, dedicated to and <br /> maintained by Orange County,and the individual-owned house pumps shall be <br /> sized such that all house pumps are able to discharge into the force main under all <br /> pumping conditions. Shut-off valves in meter boxes shall be provided at each <br /> household sewer tap. Sewer main clean-outs with shut-off valves shall be <br /> provided as well as clean-outs for each individual sewer service line. All main <br /> clean-outs shall be accessible within the utility easements. <br /> No jpMetual maintenance fund shall be required for a STEP wastewater <br /> collection system. <br /> 4a. Qmmunity Sewer Service provided by a system composed of a gravity <br /> wastewater collection main network and a central community Ijumpin <br /> stadon <br /> The pump station and vehicular access shall be contained within a metes and <br /> bounds defined easement granted to Orange County. The easement area shall be <br /> sufficiently large enough to allow service and maintenance of the pump station <br /> facility. At least one 9' x 20' parking space shall be provided for a service <br /> vehicle. A metes and bounds legal description of the proposed force main shall <br /> be provided and shown on the final plat. The perimeter of the pump station <br /> easement shall be surrounded by a fence a minimum of 8 feet in height. A <br /> landscape buffer 15 feet in width shall be placed around the outside perimeter of <br /> the fenced area. Evergreen plantings shall be a minimum of 6 feet in height with <br />