Agmt26 Kimley-Horn and Associates, Inc.

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REV: 12-03-25 LR be waived or reimbursed for this project. The geotechnical subconsultant shall obtain a drilling permit from the San Mateo County Environmental Health Department, if required. Traffic control will be required for collecting the pavement cores. One travel lane may have to be closed while drilling. City will allow a typical traffic control for all locations. Time and date of lane closure shall be coordinated with the City and County. It is planned to locate the borings in the middle of the street to reduce the impact on the street parking, and there should be fewer utilities. The geotechnical subconsultant’s field engineer shall mark the boring locations and contact the Underground Service Alert (USA) for utility clearance. A private utility locator and removing the USA marking are not included in the scope. -Field Exploration: The geotechnical subconsultant will drill a total of four (4) borings to about 5 feet and collect pavement cores and bulk samples. The geotechnical subconsultant’s field engineer shall classify and log the subsurface soil conditions encountered in the test borings at the time of drilling. The actual boring locations are subject to utility conflicts and permit conditions. The geotechnical subconsultant may engage a vendor to provide traffic control during pavement coring. The GPS coordinates will be recorded by using the cellphone. The borings will be grouted by using neat cement and AC cold patch. No special treatment of the asphalt surface, hot asphalt or saw cutting/and capping is anticipated. It is anticipated that the field exploration will be completed between regular business hours. Private Utility Locator, Ground Penetrating Radar (GPR) Testing, and Non-Destructive Deflection Testing are not part of this scope of work. If drilling activities take longer due to unforeseen conditions, an additional budget may be needed and will be discussed with the City Engineer or their designee. -Laboratory Testing: Laboratory tests shall be performed on representative soil samples, such as moisture contents, densities, particle size analyses, and plasticity index (basic soil characteristics). Up to two (2) R-value tests will be performed for pavement design. -Geotechnical Report: The geotechnical subconsultant shall prepare a report to summarize the findings, including pavement sections, core photographs, and subgrade conditions collected from the field explorations. A draft report shall be submitted for the City Engineer’s ATTY/AGR.2025.333/Kimley-Horn (Bay Road Complete Streets) (Page 17 of 50)