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surface runoff shall be carried in a concrete gutter to an acceptable point of <br />discharge. The minimum slope for a concrete gutter shall be 0.5 percent. <br />b. All parking spaces shall be striped. <br />12. Flooding. <br />a. Prior to the recordation of a Final Map, a Conditional Letter of Map Revision <br />(CLOMR) that indicates how the Staples Ranch Site will be removed from the <br />floodplain shall be filed and approved by the Federal Emergency <br />Management Agency (FEMA), and a copy of the approved CLOMR shall be <br />provided to the City Engineer. No building permits shall be issued for <br />development within the Staples Ranch Site until a Final Letter of Map <br />Revision (FLOMR) has been filed and approved by FEMA, unless it can be <br />demonstrated to the satisfaction of the City Engineer that construction of the <br />Livermore Flood Protection improvements described in the EIR will be <br />completed prior to occupancy of any buildings on the Staples Ranch Site. <br />b. Prior to beginning any construction activities, hydraulic modeling for the <br />actual Stoneridge Drive bridge designs shall be complete and demonstrate <br />that channel flow rates, capacity, and velocities in the Arroyo Mocho are not <br />negatively impacted and scour protection is adequately addressed. The <br />hydraulic modeling shall be subject to the review and approval of the City <br />Engineer. The ACSPA shall be responsible for the hydraulic modeling. <br />13. Water and Sewer Utilities. <br />a. The public water line main loop shall be a minimum of 12 inches in <br />diameter. <br />b. The public sanitary line main loop shall be a minimum of 8 inches in <br />diameter. <br />c. The applicant shall attempt to achieve a public sanitary sewer pipe slope of <br />0.005 (0.5%) with a velocity of 2.0% per second. A slope of 0.003 (0.3%) is <br />acceptable, if necessary to meet site conditions. <br />d. The applicant shall attempt to achieve a gutter slope of 0.75%. <br />e. Each parcel shall have a separate water meter, unless waived by the City <br />Engineer. <br />With the exception of the public water line loop and sewer line loop, all <br />water and sewer lines on site shall be private laterals. The laterals shall tie <br />into the public water and sewer lines. <br />g. All private sewer and water laterals shall be marked "private". The location <br />of the markings shall be subject to the review and approval of the City <br />Engineer prior to the issuance of a building permit. <br />