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City of Santa Ana <br />RFP 23-123 — On -Call Geotechnical Engineering Services <br />GEOCON <br />ON -CALL GEOTECHNICAL & MATERIAL TESTING SERVICE <br />NEWPORT BEACH, CALIFORNIA <br />Geocon is currently contracted with the City of Newport Beach to perform on - <br />call geotechnical engineering and materials testing services. Over the course <br />of this contract, Geocon has provided nearly $449 thousand in geotechnical <br />and materials testing services over the course of nine projects authorized in <br />the last year. Our services include geotechnical observation and field testing, <br />compaction testing, and geotechnical investigations and studies. Some of <br />these projects are summarized as follows: <br />ANNUAL SLURRY SEAL REPAIR PROGRAM <br />REFERENCE <br />City of Newport Beach <br />100 Civic Center Drive, <br />Newport Beach, CA 92658 <br />Andy Tran, PE <br />Senior Civil Engineer <br />(949) 644-3315 <br />atran@newportbeachca.gov <br />KEY PERSONNEL <br />Jelisa Thomas Adams, GE <br />Neal Berliner, GE <br />Petrina Zen, PE <br />PROJECT DURATION <br />Geocon provided as -needed special inspection and testing services during December 2018 - Ongoing <br />construction of the Slurry Seal Program project in the City of Newport Beach, GEOCON FEE <br />California. The repair program consisted of placing 3,600,000 square feet $640,000 <br />of Type 1 Slurry Seal throughout the City of Newport Beach. Samples of the <br />slurry emulsion and aggregate were taken prior to the start of the roadway sealing testing, and consisted of <br />collecting two samples per truck per day. All samples were tested for Wet Track Abrasion, Slurry Emulsion <br />Oil Content, and Slurry Aggregate Gradation. <br />ANNUAL CONCRETE REPLACEMENT PROGRAM <br />Through our on -call contract, Geocon provided testing and inspection services for the Annual Concrete <br />Replacement Program for the City of Newport Beach. The project consisted of the removal and replacement <br />of sidewalk, curb and gutter, and driveway entries at various locations. The project predominantly consisted <br />of unreinforced concrete; however, select areas required reinforcing, which Geocon also provided inspection. <br />Our services included collection of concrete samples, observation of rebar placement, and compressive <br />strength laboratory testing. <br />NEWPORT CENTRE FIRE STATION <br />Through our on -call contract, Geocon conducted a limited geotechnical investigation for the proposed addition <br />to the existing fire station structure for the City of Newport Beach. The scope of the investigation included a <br />site reconnaissance, field exploration, laboratory testing, engineering analysis, and the preparation of a final <br />report. The proposed project consisted of a new 414 square foot building addition constructed adjacent to the <br />existing structure. The existing structure is supported on belled caissons which extend approximately 10 feet <br />below the slab -on -grade of the existing structure. Geocon made design recommendations for the end -bearing <br />caissons, concrete slabs -on -grade, preliminary pavement recommendations, temporary excavations, and <br />surface drainage. <br />ARTERIAL HIGHWAY REPAIR <br />Geocon performed testing services and a geotechnical observation for the Arterial Highway Repair Project. <br />We performed in -place density tests on asphalt concrete placed and testing for street improvements. <br />Geocon's ultimate opinion was that the grading and placement of engineered materials performed in <br />conformance with the project plans. <br />Geocon 2023-333 Page 20 August 28, 2023 <br />