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California poppy (3.0 Ibs/acre), valley lupine (5.0 Ibs/acre), farewell-to-spring (2.0 Ibs/acre), and African daisy (2.0 Ibs/acre). The hydroseed mixture shall be specified on the subdivision's grading plans and the building permit plans for review and approval by the Planning Director. The hydroseeding shall be accomplished before September 15th and irrigated. with a temporary irrigation system to ensure that the grasses are established before October 15th. No grading shall occur between October 15th and April 15th unless approved erosion control/storm water quality measures are in place, subject to the approval of City Engineer and/or the Chief Building and Safety Official as applicable. Such measures shall be maintained on each individual lots until permitted to be removed by the Planning Director and the Chief Building and Safety Official. c. Gather all construction debris on a regular basis and place it in a dumpster or other container which is emptied or removed on a weekly basis. When appropriate, use tarps on the ground to collect fallen debris or splatters that could contribute to storm water runoff pollution. d. Remove all dirt, gravel, rubbish, refuse, and green waste from the street pavement and storm drains adjoining the site. Limit construction access routes onto the site and place gravel on them. Do not drive vehicles and equipment off paved or graveled areas during wet weather. Broom sweep the street pavement adjoining the project site on a daily basis. Scrape caked-on mud and dirt from these areas before sweeping. e. Install filter materials (such as sandbags, filter fabric, etc.) at the storm drain inlet nearest the downstream side of the project site in order to retain any debris or dirt flowing in the storm drain system. Maintain and/or replace filter materials to ensure effectiveness and to prevent street flooding. f. Create a contained and covered area on the site for the storage of bags, cement, paints, oils, fertilizers, pesticides, or other materials used on the site that have the potential of being discharged into the storm drain system through being windblown or in the event of a material spill. g. Never clean machinery, equipment, tools, brushes, or rinse containers into a street, gutter, or storm drain. h. Ensure that concrete/gunite supply trucks or concrete/plaster operations do not discharge wash water into street, gutters, or storm drains. Provide a designated area for the rinsing/cleaning of concrete/gunnite trucks and equipment. The CC&Rs covering Lots 1 through 51 shall include the above statements. Urban Stormwater Operation Requirements City Council October 2, 2007 Page 36 of 41