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Engineering Conditions Tentative Map Requirements: 44. A tract map shall be required to subdivide the property into five lots. With the tract map, the project developer shall set forth the maintenance areas of the proposed development and maintenance responsibilities. The project developer shall record CC&R's at the time of recordation of the final subdivision map, which shall create a maintenance association for the development. The CC&R's shall be subject to the review and approval of the City Attorney prior to recordation of the final map. The maintenance association shall be responsible for the maintenance of all private utilities, the common access driveway, and other common areas and facilities on the site. The City shall be granted the rights and remedies of the association, but not the obligation, to enforce the maintenance responsibilities of the property owners association. 45. Stormwater Design Reauirements The project shall comply with the Alameda Countywide NPDES Permit #CA50029831, a copy of which is available at the City offices. The following requirements shall be incorporated into the project: a) The project developer shall submit a final grading and drainage plan prepared by a licensed civil engineer depicting all final grades and on-site drainage control measures including bio-swales. Irrigated bio-swales shall be redesigned as needed to the satisfaction of the City Engineer to optimize the amount of the storm water running off the paved surface that enters the bio-swale at its most upstream end. This plan shall be subject to the review and approval of the City Engineer prior to the issuance of any building permits. b) In addition to natural controls the project developer may be required to install a structural control, such as an oil/water separator, sand filter, or approved equal (in the parking lot) (on the site) to intercept and pretreat storm water prior to reaching the storm drain. The design, locations, and a schedule for maintaining the separator shall be submitted to the City Engineer/Director of Building Inspection for review and approval prior to issuance of building permits. The structural control shall be cleaned at least twice a year: once immediately prior to October 15 and once in January. The project developer shall enter into a maintenance agreement for the oil/water separator. c) The project developer shall submit sizing designs criteria to treat stormwater runoff at the time of plan submittal. 9