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Mr. Hayes M June 28, 2005 <br /> PA-05000306 Page 3 <br /> • The project should include as many clean alternative energy features as possible to promote energy <br /> self-sufficiency. Examples include (but are not limited to): photovoltaic cells, solar thermal electricity <br /> systems, small wind turbines, etc. Rebate and incentive programs are offered for alternative energy <br /> equipment. More information can found at- <br /> http://www.dsireusa.orq/, htto://rredc.nrel.gov/, http://www.energv.ca.gov/renewables/ <br /> • Construction activity mitigation measures include: <br /> - Install sandbags or other erosion control measures to prevent silt runoff to public roadways from <br /> sites with a slope greater than one percent <br /> - Install wheel washers for all exiting trucks, or wash off all trucks and equipment leaving the site <br /> - Install wind breaks at windward side(s)of construction areas <br /> - Suspend excavation and grading activity when winds exceed 20 mph <br /> - Limit area subject to excavation, grading, and other construction activity at any one time <br /> - Use catalyst equipped diesel construction equipment. <br /> - Minimize idling time(e.g. 10 minute maximum) <br /> - Limit the hours of operation of heavy duty equipment and/or the amount of equipment in use <br /> - Replace fossil-fueled equipment with electrically driven equivalents (provided they are not run via <br /> a portable generator set) <br /> - Curtail construction during periods of high ambient pollutant concentrations; this may include <br /> ceasing of construction activity during the peak-hour of vehicular traffic on adjacent roadways, <br /> and"Spare the Air Days" declared by the District. <br /> - Implement activity management(e.g. rescheduling activities to reduce short-term impacts) <br /> - During the smog season (May through October), lengthen the construction period to minimize the <br /> number of vehicles and equipment operating at the same time. <br /> - Construction equipment should have engines that are Tier II (if available as certified by the Air <br /> Resources Board). Engines built after 1998 are cleaner Tier II engines. Tier I and Tier II (2.5 <br /> gram) engines have a significantly less PM and NOx emissions compared to uncontrolled <br /> engines. To find engines certified by the Air Resources Board, see <br /> hftg)://www.arb.ca.gov/msprog/offroad/cert/cert.php. This site lists engines by type, then <br /> manufacturer. The "Executive Order" shows what Tier the engine is certified as. For more <br /> information on heavy-duty engines, please contact Mr. Kevin McCaffrey, Air Quality Specialist, at <br /> (559)230-5831. <br /> - Off road trucks should be equipped with on-road engines when possible. <br /> - Light Duty Cars and Trucks should be alternative fueled or hybrids. <br /> - Minimize obstruction of traffic on adjacent roadways. <br /> District staff is available to meet with you and/or the applicant to further discuss the regulatory <br /> requirements that are associated with this project. If you have any questions or require further <br /> information, please call me at (559)230-5800. <br /> Sincerely, <br /> Debbie Jr�47A56*& <br /> Air Quality Specialist <br /> Central Region <br /> Enclosures <br /> c:file <br />