Reso13 PC 13-24 2920 PC Reso-Adopt the Intitial Study MND - Undercrossing

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_ 2 Environmental Analysis Appendix C for more detaii). The modeling anal�sis found that the average daily const�ucrion emissions wouid i�e well below the BAAQNID significance thresholds. Average Daily Emissions(lbs/day} Project Construction BAAQMD Significance Emissions Thtesho�d for Construction Reactive�rganic Gases (ROG) 1.4 54 Nitrogen Oxides (NO,) 9.8 54 1�M��{exhaust) p.6 $2 PMZ.S {exhaust} 0.6 54 PMia—respirable particulate matter less than 10 microns in diameter PMzs—fine particulate matter less than 2.5 znictons in c�iameter The BFIAQMD considers emissions of PMto and PM Z.S less than significant if ernissions from mobile sources are less than the significance l.evels and idenrifies Best Management Practices as the significance threshold for conttol of fugitive dust(see Appendix C}. Operattonal Emissions. Once construction is complete, the opexation of both the replacement pump station and the joint-use path would have no regular emissions of criteria or to�c pollutants, except for the testing of the emergency diesel generator up to 50 hours per pear and occasional maintenance and landscaping. The estimated emissions fxom landscaping and maintenance and the proposed 250-kW Tier 3 diesel generator for 50 hours per year with particulate emissions of 0.13 grams/brake horsepower (bhp) hour are more than 1Q0 times lower than the average daily and annual signif cance levels far ozone precursors and par�iculates (see Appendix C). The proposed joint-use path would enable residents of approved and proposed Bapfront development projects to have sho�tex,more direct non-vehicular access to the Downtown axea. Residents would be able to walk or ride bicycles to jobs and retail and entertauunent destinations as well as have shorter access to public transportation networks. Currently,the driving distance from One Marina to the center of Dawntown is 1.5 miles. The proposed joint-use path would reduce the walking and biking distance to 0.75 mil.es, a 15-20 minute walk. The path would reduce the distance to the Caltrain station from 1.6 miles to 0.9 miles. Point Impact Analysis modeZed the mobile source emissions from traffic at One Marina development,with and without the proposed path, using CalEEMod 211.1.1,asstunitzg 231 residential units, three parks, a 14-acre marina,the waterfront esplanade and village walkway, 200 hote�rooms,and 10,000 square feet of tetail space. The modeIing shows that with the addition of the joint-use path, the improved pedestrian network and the shorter walking distances wauld result in at least a 2.4 percent reducrion in mobile source emissions. This estimate does not take credit for future development in the Bapfront,including Pete's Harbox, or the shorter distances to destinations on Convention Way and I�2ain Street. The analysis assigns 2-1p US 909 Pede.rtrian Underc�ssing and Bair Islasad l�aad,Sto�l Drais�Pump Station Project