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IV. <br /> <br /> RECOMMENDATIONS <br /> <br />A. East of Santa Rita Raod <br /> <br /> 1. New Line Along Arroyo Mocho(East of Santa Rita Road) <br /> <br /> The 15" portion of the trunk line along Santa Rita Road and <br /> West Las Positas Boulevard is undersized for the amount of <br /> sewage flow generated (original entitlement and projected <br /> requirement). A new line, paralleI to the existing 15" line, <br /> and running along the Arroyo Mocho, should be installed to pick <br /> up the sewage generated from the area east of E! Charro Road <br /> (Area 22) and be connected into the trunk line near the <br /> intersection of Santa Rita Road and Arroyo Mocho. Alameda <br /> County is currently reviewing a business park development <br /> proposal for Area 22. The proposed land use for this business <br /> park would be R&D and light industrial. This parallel line <br /> would alleviate the capacity problem in the existing 15" line. <br /> <br /> If the areas east of Santa Rita Road were allowed to flow <br /> only their original entitlement, a new 12" parallel line would <br /> be required and the flow in the existing 15" line will be below <br /> the maximum capacity (See Figures 4 and 5). If the same areas <br /> were allowed to generate their current or projected flow, a new <br /> 21" and 24" line (with proper interconnects) is required and the <br /> flow in the existing 15" line would be at or below the maximum <br /> capacity. <br /> <br /> In order to minimize the overloading in the portion <br /> <br /> of the trunk line, east of the SPRR tracts, any development <br /> in the area south of the Arroyo Mocho and east of Santa <br /> Rita Road (Area 16, 17, 18 and 19) should <br /> <br /> -8- <br /> <br /> <br />