Item 21 - On -Call Material Testing and Special Inspection Services

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ArEsco AESCO Proposal No. P6513 Statement of Qualifications Auto Center Drive/BNSF Railroad Grade Separation -Corona Quality Control Manager: Mr. Scharlin was the Quality Control Manager for the geotechnical and materials testing and inspection services for the project which was for Riverside County Transportation Commission and the City of Corona. The project consists of constructing a four -lane overcrossing at Auto Center/BNSF railroad tracks. Construction required a bypass roadway, associated roadway improvements, retaining walls, storm drain, sewer line, utilities, and CIDH piling foundations. Olinda Landfill -Gas to Energy Facilities — City of Yorba Linda, County of Orange Quality Control Manager: Mr. Scharlin was the Quality Control Manager for construction materials testing and inspection services during construction of the gas to energy facilities at the Brea-Olinda landfill for the City of Yorba Linda and the County of Orange. The facilities included the installation of gas turbines mounted on concrete slabs, a combustion turbine generator, chilled water systems, polishing systems, compressed air systems, a step-up transformer, switch gears, axillary transformers, a main building and control room, trenching and piping, and miscellaneous structures. New access roads were also constructed. Warner Avenue Gravity Sewer Lift Station C — City of Huntington Beach Quality Control Manager: Mr. Scharlin was the Quality Control Manager for the construction materials testing and inspection and for the geotechnical and environmental Phase II investigations for a new lift station facility. The project consisted of the replacement of the existing Lift Stations B and C and the Sunset Beach Sanitary Lift Station with a new Lift Station C. The submersible lift station incorporated a 14 foot by 26 foot by 22 foot deep wet well. The bottom of the well foundation was approximately 26 to 27 feet below existing grade. The new lift station also included an 8-foot deep valve vault which was 15 feet by 10 feet in plan dimension, a 60 kW outdoor generator, and electrical panels. Ranger Sewer Lift Station No. 16 — City of Huntington Beach Geotechnical Engineer: Mr. Scharlin was the Geotechnical Engineer for the geotechnical investigation and the materials testing and inspection for construction of Ranger Sewer Lift Station No. 16 in the City of Huntington Beach. The new lift station was 24 feet by 24 feet in plan dimension and was placed at a depth of 18 feet below the existing ground surface. State College Boulevard Grade Separation -Fullerton Quality Control Manager: Mr. Scharlin was the Quality Control Manager for the replacement of the at -grade railroad crossing by construction an underpass for State College Boulevard beneath the existing BNSF railroad. The City of Fullerton and the Orange County Transportation Authority (OCTA) constructed a vehicle undercrossing at the intersection of State College Boulevard and the Burlington Northern Santa Fe Railway. The roadway was lowered between Santa Fe Avenue to the north to approximately 500 feet south of Valencia Drive to the south. Construction consisted of a temporary railroad shoo -fly, a railroad bridge, retaining walls, a pump station, pavement and utilities reconstruction. AESCO performed QA inspection and testing for earthwork, foundation installation, concrete, reinforcing steel and pavement reconstruction. Construction Material Testing/ Inspection , Environmental and Geotechnical Engineering Services 25 I I a g e g a i t d i a q 4 m e z i c a www.AescoTech.com 7 z a m % 4 e Cf z a a o d ZI A