ORD 1814A - Laserfiche WebLink

40. (b) Graded slopes shall be re-vegetated as soon as practicable to prevent or minimize erosion; hydro-seeding shall be accomplished before September 15, and irrigated with a temporary irrigation system to ensure vegetation is established prior to October 15. The method of irrigation (water track, temporary irrigation system, etc.) shall be approved by the City Engineer. (c) Surface drainage systems shall direct drainage away from cut-and-fill slopes and, to the extent practicable, into planned retention/detention basins located on-site. (d) New contours shall be designed to naturally blend into existing contours. Grading for proposed soundberms along 1-680 should result in naturally appearing land forms. Construction Management. All grading activities shall be completed under supervision of the Project soils engineer, Project engineering geologist, or Project civil engineer, who shall, upon completion, submit a declaration to the Director of Public Works that all work was done in accordance with recommendations contained in all required pre-grading reports as described in Condition 38 above. Additionally, the following on-site practices shall be conducted during all grading activities: (a) Comprehensive traffic contrul measures shall be implemented, including scheduling of major truck trips, and deliveries shall avoid peak travel hours and shall not conflict with major events at the Alameda County Fairgrounds (the County Fair, Good Guys Conference, and Scottish Games), and proper lane closure procedures such as tagger stations, signage, cones, and other warning devices shall be practiced. No work on Bernal Avenue and no truck deIiveries shall be allowed during identified major Fairgrounds activities. (b) Mass grading activities shall be limited to the hours between 7:00 a.m. and 6:00 p.m. Monday through Saturday, unless prior written approval is granted by the City Engineer. Generally, no grading shall be allowed to occur between October 15 and April 1 of any year without prior approval of the City Engineer. Grading work can occur throughout the year if weather conditions permit and appropriate erosion control/storm water quality measures are in place, subject to approval of the City Engineer. (c) All internal combustion engines on grading or construction equipment used at the Project shail be equipped with a muffler equal to or better than that supplied by the vehicle manufacturer. All equipment shall be maintained in good mechanical condition so as to minimize noise and air pollution from ~hulty engine, drive train, and other components. No muffler or exhaust system shall be equipped with cutout, bypass, or similar device intended to thwart quieting. Conditions of Approval Page 21 of 49 Revised August 21, 2000