Item 17 - Agreements for On-Call Geotechnical Engineering Services

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City of Santa Ana RFP 23-123 — On -Call Geotechnical Engineering Services ACACIA AVENUE-JOSEPHINE STREET STORM DRAIN, GARDEN GROVE, CALIFORNIA Geocon performed utility potholing services on Acacia Avenue and Josephine Street with the goal to fill the cracks and separations of asphaltic pavement for the street improvement project in the City of Garden Grove. We exposed utilities along the alignment of the proposed storm drain line, backfilled the excavations with soils, and restored the ground with asphalt/concrete patches. Geocon matched the existing AC thickness to that of surrounding streets upon completion of the storm drain. As the Project Manager and Senior Project Engineer Ms. Adams, was responsible for scope of work development, oversight of field work, and preparation of technical reports and letters. OAK CREEK COMMUNITY PARK, IRVINE, CALIFORNIA Geocon is currently performing a limited geotechnical investigation for the Oak Creek Community Park improvements in the city of Irvine, California. The proposed improvements are anticipated to include new natural turf on two existing soccer fields, a new lighted sand volleyball court, a new lighted full -court basketball court, a new lighted dog park, a new natural turf field, and additional parking. Ms. Adams serves as the Project Manager and provides quality control over all geotechnical reports and provides team management. GREENSTREET PAVEMENT CORES, MISSION VIEJO, CALIFORNIA (A93408803) Geocon provided a geotechnical pavement evaluation for the driveway approach off Marguerite Parkway for the City of Mission Viejo. In our written letter report we confirmed the thickness of the asphalt and aggregate base sections, in addition to the relative density and moisture content of the underlying subgrade. As our senior engineer, Ms. Adams provided figure and table preparation as well as the letter report. FIRE STATION NO.2 REPLACEMENT, NEWPORT BEACH, CALIFORNIA As part of Geocon's On -Call Geotechnical Services Contract with the City of Newport Beach we are currently providing soils and materials testing and observation services during grading and construction for the replacement of the Lido Fire Station No. 2 on 32nd Street — built in 1953. In addition to Geocon's testing and observation services we will also be providing geotechnical consultation, plan review, and design recommendations for this project. Ms. Adams is serving as the Principal Engineer and Project Manager. Los ANGELES COMMUNITY COLLEGE DISTRICT, PIERCE COLLEGE, EXPANDED AUTOMOTIVE & NEW TECHNICAL EDUCATION FACILITIES Geocon performed a third party peer review of the original geotechnical report prepared for the project and is in the process of preparing an updated geotechnical investigation report for compliance with current California Building Code, California Geological Survey, and Division of State Architect requirements. Ms. Adams performed a ground motion hazard analyses and probabilistic seismic hazard analysis in conformance with the 2013 California Building Code and ASCE 7-10. Los ANGELES COMMUNITY COLLEGE DISTRICT, PIERCE COLLEGE, WEST CENTRAL PLANT EXPANSION Geocon performed a third party peer review of the original geotechnical report prepared for the project and is in the process of preparing an updated geotechnical investigation report for compliance with current California Building Code, California Geological Survey, and Division of State Architect requirements. Ms. Adams performed a ground motion hazard analyses and probabilistic seismic hazard analysis in conformance with the 2013 California Building Code and ASCE 7-10. Geocon 2023-333 Page 5 August 28, 2023