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SOUTR BEND REDEVELOPMENT COMMISSION —IVY TOWER FACILTIY RENOVATION PROJECT Proposal for Environmental Services 11. Buried Concrete Debris, Foundations, and, 12. Impacted Soil surrounding or beneath possible point sources including USTs, catch basins, etc. The level of effort to characterize each waste stream depends on the number of locations and the possible volume of the waste stream. The level of effort also depends on the final plans for renovation which have not been made final. Weaver Boos understands that that the environmental abatement contractor may be primarily responsible for waste stream characterization and quantification and subsequently obtaining any permits necessary for removal, transportation, and possible disposal of the waste materials listed above. Waste profile samples may be collected via a hand auger, hand bailer, geoprobe, shovel, or by an acceptable alternative means. Samples wit] be submitted to a laboratory for analysis. The results of the analysis will be used to categorize by the contractor each waste stream (regulated, unregulated, hazardous, non - hazardous, etc). In lieu of preparing the environmental bid specifications, Weaver Boos proposes to complete a limited characterization of the following potential area of concern 1. PCB transformers Weaver Boos proposes to complete the project on a time and materials basis in accordance with our attached fee schedule, (Appendix E) and as stated on the attached rate sheet (Table 1). A series of three (3) discrete concrete cores (fully penetrating) will be advanced through the concrete floor for each transformer room. Additional cores may be warranted based on site observation. Each core or sample will be submitted to an independent laboratory and analyzed for PCBs. If PCBs are identified in the concrete, Weaver Boos will complete the required paperwork, supplement the environmental specifications, and oversee the PCB remediation. Once remediation has been completed as part of the overall abatement contract, closure samples will be collected and tested. Additional characterization measures maybe recommended once the buildings have been vacated including a mold assessment and screening stained concrete. Based on our present knowledge of the Site and experience with similar projects, an estimated cost to complete this sub -task is pwvided in Table 1. Each characterization will be included within the completed bid document along with the permissible treatment, storage, and /or disposal alternatives, This subtask will also include a walk -thru of both buildings once vacated by the Weaver Boas Cojrsuliaws, LLC South Send, IN 46628