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! 7 $TOCK£ON METROPOLITAN AIRPORT-S PURPOSE PLAN SPE1C LAND USE GUIDELINES AND STANDARDS E ' d C1 Wastewater Treatment and Disposal Sewage disposal at the Stockton Metropolitan a design capacity of approximately 9.95 MGD. Airport is conveyed through a system of pipes that is Upstream flows from the existing Stockton Airport connected to the City of Stockton's Regional Business Center, north of Arch-Airport Road yields Treatment Facility on Navy Drive. In the early 1990's approximately 3.2 MGD.The proposed peak wet the City of Stockton upgraded the underground pipe weather flows (PWWF) from the Airport East devel- capacities,amended the service area boundary to opment at full build-out and the CYA facility will ' include the entire airport property and formed a yield approximately 5.8 MGD.Therefore the com- Community Facilities District (CFD 90-1) to finance bined flow will yield approximately 9 MGD and ade- } the upgraded system.The existing system includes quate capacity is available. Pipe sizes for the Airport numerous pipe line facilities west of the main runway East development area will range from 6 - 30 inches and a 20" sewer main east of the main runway serv- in diameter. Alignment of the pipes will be with in ., ing the California Youth Authority property.(CYA), the proposed rights-of-ways as depicted in Figure _. Fa�gtand� on Fresh herregionaI sports Tcomplex? The alignments shown are generalized and exact (Figure V-B). locations will be determined when individual Improvement Plans are submitted. The development of 544± acres east of the main runway is proposed to be served by the City of Detailed design criteria and system calculations are Stockton.The City of Stockton and County of San included in the Waste Water Master Plan, prepared Joaquin have entered into an Airport In-Lieu Fee by A.R.Sanguinetti &Associates, dated January 2000. agreement in which the City can provide service without annexation to CFD 90-I.The design of the sewer system that will serve the Airport East devel- opment area will be required to meet the City's con- tract obligations with the CYA property,in which the system will have to provide approximately 1.2 MGD capacity for CYA property plus the needed capacity for the proposed development.The proposed devel- opment will require relocation of the existing 20" r (CYA) line and will ultimately be connected to the City's 33" sewer main located in Arch-Airport Road. The sewage generation rate for the anticipated development of the Stockton Metro Airport East project (544± acres) is based upon the proposed land use pian (Figure I-A). �i Flow generation factors used to calculate the pro- posed flows are based upon City of Stockton Standards and are shown in Table V 2. FJ Design criteria for the proposed Airport East devel- opment area Master Sanitary Sewer Collection System are based upon City of Stockton Standards and the City Council adopted Master Plans for Collection System No.8. Upon review and consulta- n tion with City Municipal Utilities Department staff, the existing 33" sewer line in Arch-Airport Road has INFRASTRUCTURE V. 1-7