Item 16 - Agreements for A -Tech Consulting, Inc., Dudek, and Leighton Consulting, Inc. for On -Call Various Environmental Services

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Sample Project Budgets In an addendum to the RFP, the City requested sample budgets as well as the following information for two specific property addresses: ■ Brief description of methods of inspection ■ Sample collection and lab analysis ■ Report sections ■ Any other necessary tasks Presented below by property address is Dudek's assumed scope of work, approach to the project, and estimated costs. Sample Project: 2245 S. Halladay Street 'PROJECT SCOPE The property located at 2245 S. Halladay Street consists of one approximately 0.1-acre parcel of land on Assessor's Parcel Number (APN) 016-105-19. According to information reviewed during the preparation of this scope, the earliest available historical source shows that the property was undeveloped land in 1946. By 1952, a house was constructed on the property, which privately owned. If the City plans to acquire the property, Dudek recommends that a Phase I ESA be conducted during the due diligence period of the transaction. In addition, based on the age of the structure, it is anticipated that a hazardous materials building survey will be necessary prior to demolition or redevelopment; this can be completed during the due diligence period or after the property transfer has been completed. Phase I ESA The Phase I ESA will be prepared in accordance with the ASTM Standard Practice for Environmental Site Assessments: Phase I Site Assessment Process E 1527-13 and E 1527-211. The Phase I ESA will include review and evaluation of past and current uses of the site for indications of the manufacture, generation, use, storage and/or disposal of hazardous substances, and evaluation of potential soil and/or groundwater contamination resulting from current and historical land use activities, including those of nearby properties. Specifically, Dudek will perform the following: ■ Conduct a search of regulatory agency records to see if there are currently, or were previously, any reports of hazardous materials contamination or usage at the site or contamination at other nearby sites within the ASTM-specified search radius that could impact the site ■ Review relevant records maintained by local regulatory agencies, including the Regional Water Quality Control Board, Department of Toxic Substances Control, Orange County Health ASTM E 1527-21 was released on November 17, 2021. Environmental Protection Agency (EPA) concurrence with the new standard will reportedly take up to one year. Thus, compliance with the All Appropriate Inquiries rule to qualify for an exemption from Comprehensive Environmental Response, Compensation, and Liability Act liability will remain under E 1527-13 until EPA concurs with the new standard. Various Environmental Services Sample Project Budgets