Agmt23 BKF Engineers Price Tract Pump Station

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REV: 11-07-23 SK Consultant will review the provided information and plot the easements contained in the deed on the base mapping described above. Subtask 2.4 – Structural Assessment Report • Subconsultant, Biggs Cardosa Associates (BCA), will attend a site visit with the design team and perform a structural assessment of the existing pump station structure and the existing outfall structure. The Structural assessment will be limited to visual inspections, preparation of a photo log, and documentation of evidence of structure condition and deterioration. Materials testing is not included but may be provided as an additional service. If destructive or non-destructive materials testing is deemed necessary, it will be outlined in the recommendations. BCA will prepare a Structural Assessment Report that includes recommendations for required structural upgrades or replacement of the existing structures. Subtask 2.5 – Geotechnical Investigation • Subconsultant, BAGG Engineers (BAGG), will conduct a geotechnical engineering investigation at the site to characterize the existing subsurface conditions and develop geotechnical criteria for design and construction of the proposed facility repair or replacement, as well as evaluate the potential for liquefaction beneath the site and subsequent consequences. BAGG will review of available geologic maps and reports pertinent to the site and the immediate vicinity, mark the planned boring location in the field, coordinate the field exploration with the City and notify Underground Service Alert (USA) at least 72 hours in advance. BAGG will drill, log and sample one (1) boring to a depth of 50 feet within the property using a portable drilling rig equipped with 8-inch- diameter hollow system and will collect geotechnical samples at 3-to-5-foot- intervals from the borings. BAGG will backfill the boring with cement grout. The drill cuttings will be placed in a steel drum and stored on site until environmental testing is completed, after which the drum will be disposed of. BAGG will perform a laboratory testing program on soil samples collected to evaluate the geotechnical engineering characteristics of the subsurface soils. Tests may include direct and/or triaxial shear tests, consolidation, Atterberg Limits, grain size analyses, moisture-density measurements, and soil corrosivity tests as judged appropriate. BAGG will perform engineering analyses on the data obtained from the above tasks and oriented toward the above purposes of the investigation. Following the testing, BAGG will prepare a geotechnical engineering report documenting the results of the investigation, presenting Consultant’s opinions, conclusions, and recommendations for design of the proposed building and the related improvements. The report will include a vicinity map, a site plan, a geology map of the site vicinity, a regional fault map, a log of the boring, and laboratory tests results. The report is anticipated to address the following: ATTY/AGR.2023.241/BKF Engineers (Price Tract Pump Station Design) (Page 15 of 68)