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05/08/2017 removed from the pump station building with the remaining paint stabilized. • The impact of lead to the demolition project should be minimal; however, Cal OSHA worker protection rules, California Department of Public Health certification requirements, US EPA standards, and Department of Toxic Substance Control disposal requirements need to be assessed by each contractor/employer who performs work on this project. • Any work performed at the site where Lead Based Paint or Lead Containing Paint is likely to be disturbed should be performed by a contractor trained and qualified to perform lead -related construction work. Any work that exceeds Cal OSHA's permissible exposure limit or is performed to remediate a lead hazard must be conducted by California Department of Public Health certified personnel. All lead related work shall be conducted employing lead work practices in accordance with United States Department of Housing and Urban Development (US HUD) guidelines. HAZ-2: Excavation and grading shall avoid potential serpentine rock when feasible. If serpentine must be graded, the top 2 feet of soil shall be replaced with clean soil, so as to avoid impacts from Naturally Occurring Asbestos (NOA). Soils with NOA shall be removed and disposed of at an appropriate facility, to the satisfaction of the City Engineer. Dust shall be suppressed during grading, and a dust control plan to minimize exposure to NOA (per the BAAQMD regulations) shall be submitted to the County Health System's Department Environmental Health. Finding: Implementation of Mitigations HAZ-1 and HAZ-2 would reduce the construction - related impact of exposure to hazardous materials to a less than significant level. Facts in Support of Finding: These mitigation measures are consistent with best management practice to reduce exposure to hazardous materials during construction. Implementing the recommendations from the above noted pre -demolition evaluation and covering any exposed serpentine rock with two feet of soil will reduce the risk of accidental release of hazardous materials at the project site and ensure the public or environment is not exposed to significant hazards. .• - Impact: N0I-1: Construction activities could expose the public to noise levels in excess of standards established in the City's General Plan and/or Noise i Ordinance. Mitigations: NOI-1: Construction equipment shall be properly outfitted and maintained with noise -reduction devices to minimize construction -generated noise. Equipment and delivery trucks shall not be left to idle for longer than a few minutes. Stationary construction equipment shall be located on-site at the greatest distance possible from nearby noise -sensitive receptors. If during construction, noise levels at the property boundary exceed the City's noise ordinance standard of 110 dB, the construction contractor and/or City shall erect temporary attenuating buffers to shield adjacent properties from noise exceeding the Page 8 of 28 ATTY/ RESO.0043/CC RESO HILLSIDE ALTERNATIVE PROJECT RESO. NO. 15582 REV: 05-06-17 PR MUFF NO. 802