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r Residential Population Projection. The proposed project would result in an onsite population of approximately 170 persons, based upon the following calculations as shown in Table 2. Table 2: Population Projection Land Use Dwelling Units Persons per dwelling unit Population R-L 53 3.12' 165 Second Units 6 l.Ob 6 r Total 59 — 171 Notes: a Specific Plan III,Table 3-13:Housing Analysis. b Based on assumption of a second unit dwelling of 700 square feet or less. Infrastructure. _ o Roadways/Circulation. A Collector street, "F" Street, would be extended from Central Parkway(which is yet to be built)to serve the project. "F' Street is located on the eastern boundary of the proposed development. Street plans reflect two major entrance points at r "F" Street that feed into a looped internal, local road system. The loop system consists of "E" Street, "D"Street and"C"Street. Three cul-de-sacs, "B"Court, "A" Court, and a third unnamed court, extend off of the loop system. The right-of-way of the local streets would be 54 feet in width, which includes a 4-foot wide sidewalk on each side of the street and two travel lanes each 16 feet wide. The right-of-way of the Collector street, "F Street, would be 62 feet in width. "F".Street would feature two travel lanes, each 18 feet wide, a 5-foot wide sidewalk on each side of the street, and a Class III bike lane. All roadways would be developed in accordance with Specific Plan III and the Mountain House Community Services District(MHCSD)design standards. The 30-foot wide easement that provides roadway access to properties to the west of the project (Assessor Parcel Numbers 209-070-42 and 209-070-27)and that is currently used for the subject property would remain. (See Figure 2) r o Drainage. Currently, off-site storm water runoff that primarily originates from the hill farmlands to the west of the project site, as well as seepage from the California Aqueduct, enters the property at the western border and flows through the riparian corridor that crosses the site. Project plans call for filling in the riparian corridor and piping the storm water runoff through the project via a separate 48-inch pipeline that would be connected to the proposed 48-inch storm drainpipe stub located in the northeast corner of the project site. The storm water would then be conveyed to Mountain House Creek, located to the north of Grant Line Road. The storm drain system within the proposed development would be constructed in the street right-of-way. The proposed drainage facilities would include 15-inch and 18-inch pipelines extending to catch basins (drop inlets) installed at intervals along the streets. The storm drain collection system would eventually connect to the proposed 18-inch storm drain pipe in "F" Street. During construction, filters would be inserted into all catch r basins for sediment control. Maintenance of the filters would be performed per the specifications and in accordance with the MHCSD requirements. Upon completion of the project, the MHCSD would assume maintenance of the storm drain system. In keeping with the policies of the 1994 Master Plan, the applicant would be required to prepare a post-development Storm Water Master Plan (SW MP)that includes provisions addressing: (1) public education and outreach on storm water impacts; (2) public r involvement/participation; (3) illicit discharge detection and elimination; (4)construction site storm water runoff control; (5) post construction storm water management; and (6) 8