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• All materials excavated or graded shall be sufficiently watered to prevent <br />excessive amounts of dust. Watering with complete coverage shall <br />occur at least twice daily, once in the late morning and once after work is <br />done for the day. <br />• All clearing and earthwork activities shall cease during periods of high <br />winds (winds greater than 25 mph averaged over one hour) or during <br />Stage 1 or Stage 2 smog episodes. <br />• Internal roadways and project site entry and exit points shall be cleaned <br />at the end of each day by the project developer. Dust and debris from <br />construction activities that migrates or is carried onto MacArthur <br />Boulevard or Main Street adjacent to the project site shall also be <br />cleaned each day. <br />• All material transported off-site shall either be sufficiently watered or <br />securely covered to prevent excessive amounts of dust. Haul trucks <br />leaving the site shall have a minimum freeboard distance of 12 inches. <br />• Construction equipment leaving the project site shall be wheel washed. <br />• The amount of area disturbed by clearing and earthwork activities shall <br />be minimized at all times. <br />• Equipment engines shall be maintained in good condition and in proper <br />tune according manufacturer's specifications. <br />• To the extent feasible, construction equipment shall use alternative <br />clean fuels such as compressed natural gas equipment with oxidation <br />catalysts. If alternative clean fuels are not feasible, gasoline powered <br />construction equipment shall be used. <br />• Construction equipment operating on diesel fuel shall use particulate <br />filters or low sulfur diesel. <br />• To the extent feasible construction operations shall use electricity from <br />power poles in-lieu of temporary diesel or gasoline-powered <br />generators. <br />17. Prior to commencement of construction activities, the project developer shall <br />identify to the City a construction relations officer to act as a community liaison <br />concerning on-site activity, including resolution of issues related to dust generation <br />from grading/paving activities. A publicly visible sign shall be posted with the <br />name of construction relations officer and a telephone number. <br />18. During finish work, the construction contractor shall ensure the minimization of <br />ROG emissions. Building plans for the project shall specify and require the use of <br />Resolution No. 2009-025 <br />Page 88 of 95 <br />