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SAN LEANDRO SHORELINE DEVELOPMENT EIR ADDENDUM PROJECT <br />CITY OF SAN LEANDRO <br />powered construction equipment greater than 50 horsepower. Any emissions control device used by <br />the contractor shall achieve emissions reductions that are no less than what could be achieved by a <br />Level 3 diesel emissions control strategy for a similarly sized engine, as defined by CARB regulations. <br />Prior to construction, the project engineer shall ensure that all demolition and grading plans clearly <br />show the requirement for EPA Tier 3 or higher emissions standards and Level 3 diesel emissions <br />control for construction equipment over 50 horsepower. During construction, the construction <br />contractor shall maintain a list of all operating equipment in use on the Project Site for verification by <br />the City of San Leandro Building Official or their designee. The construction equipment list shall state <br />the makes, models, and numbers of construction equipment on-site. Equipment shall properly service <br />and maintain construction equipment in accordance with the manufacturer's recommendations. <br />Construction contractors shall also ensure that all nonessential idling of construction equipment is <br />restricted to five minutes or less in compliance with California Air Resources Board's Rule 2449. <br />Sources evaluated in the HRA include off-road construction equipment and heavy-duty diesel trucks along <br />the truck route. The US EPA AERMOD air dispersion modeling program was used to estimate excess <br />lifetime cancer risks and chronic non -cancer hazard indexes at the nearest sensitive receptors. Results of <br />the analysis are shown in Table 3-2. <br />January 2020 Page 31 <br />