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Item 15 - On-Call Environmental Review Services for Federally Funded Programs
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Item 15 - On-Call Environmental Review Services for Federally Funded Programs
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Agenda Packet
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Clerk of the Council
Item #
15
Date
7/6/2021
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RFP #21-017: On-Call Environmental Review Services for the <br />Housing Division <br /> City of Santa Ana Community Development Agency <br /> <br />10 <br /> 63675 <br /> <br /> <br />Phase II investigations may include the following: a Geophysical Survey, collection and testing of soil, soil vapor, indoor <br />air, and/or groundwater samples, field screening of samples, and/or laboratory analysis of samples. <br />Converse will generally follow the standard practices of the ASTM Standard Practice for Environmental Site <br />Assessments: Phase II Environmental Site Assessment Process (ASTM E1903-19). If a Soil Gas Survey is to be completed, <br />it will be in general accordance with the Advisory-Active Soil Gas Investigations by the California Department of Toxic <br />Substances Control and California RWQCB, dated July 2015. <br />Lead and Asbestos Testing, Monitoring and Clearance (Converse) <br />Asbestos Survey <br />The Asbestos Survey will be limited to the predominant style of accessible materials that are present at the building. <br />Non-destructive sampling methods will be utilized. <br />1. Visual survey of the structure on-site for suspect asbestos-containing materials and homogeneous areas (areas that <br />have uniform color, texture, and appearance). If construction plans and/or specifications are available, Converse <br />can review these items to help in the identification of potential asbestos-containing materials (ACMs). Suspect <br />materials will be divided into friable and non-friable materials. The homogenous materials will be placed in one of <br />the following Environmental Protection Agency (EPA) categories: <br />• Surfacing Materials (sprayed or troweled-on materials) <br />• Thermal Systems Insulations (materials generally applied to various mechanical systems) <br />• Miscellaneous Materials (any materials which do not fit in the above categories) <br />Accessible interior and exterior areas will be sampled for the presence of asbestos. Destructive sampling will not be <br />performed. Samples of general building components (i.e., visually identical flooring material and ceiling tiles) will be <br />assumed to be representative of materials used throughout the building. Converse will not make a second effort to <br />survey building, or portions of building, not accessible during the field reconnaissance. <br />No destructive sampling methods will be employed during this survey. Therefore, void spaces between walls, floors, <br />ceiling or below soil level will not be observed or sampled. <br />2. Collect samples of suspect ACMs in representative homogenous areas determined by visual examination and <br />review of plans. Up to 80 bulk samples will be collected following accepted EPA procedures and will be analyzed <br />for asbestos content. <br />The strategy for the collection of asbestos samples will be in accordance with EPA guidance document “Asbestos in <br />Buildings: Simplified Sampling Scheme for Friable Surfacing Materials," EPA 560/5-85-030a, October 1985, 40 CFR 763 <br />(AHERA), and appropriate air pollution control district regulations. According to OSHA Regulation 29 CFR 1926.1101, a <br />minimum of three samples must be collected of each suspect ACM. <br />3. During the collection of bulk samples, damage to the materials sampled is often necessary to obtain representative <br />samples. Converse will attempt to collect the bulk samples in inconspicuous locations (behind doors, in closets, in <br />corners); however, it will not always be possible, and sample locations will be visible to the owner/occupant/tenant. <br />Converse will patch interior plaster/drywall sample locations and exterior stucco walls with patching materials. <br />However, Converse will not be held responsible for the quality or usefulness of the patching repairs. Samples of <br />vinyl flooring materials will not be patched but will be encapsulated with spray adhesive. <br />In addition to the bulk samples collected from the interiors of the building, samples will be collected from the roofs <br />and exteriors of the building. However, Converse does require written authorization for roof sampling. Please note <br />that puncturing a roof membrane will typically invalidate any warranty for the roof. In addition, Converse does not <br />guarantee the quality or usefulness of roof patching material. <br />4. Samples collected will be processed for shipment to an accredited laboratory following EPA protocol and chain-of- <br />custody procedures. Samples at the laboratory will be analyzed, on a normal turnaround basis (5 business days), <br />for asbestos content using polarized light microscopy (PLM). <br />The results of the survey will be evaluated to determine if asbestos-containing building materials are present in the <br />collected and analyzed samples. The analytical test results will be presented together with the sample locations, a list <br />EXHIBIT 2
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