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City of Santa Ana <br />RFP 23-123 — On -Call Geotechnical Engineering Services <br />GEOCON <br />CONSTRUCTION INSPECTION <br />To confirm compliance with our engineering recommendations, we are commonly retained to provide quality <br />control testing services during construction. We also provide a full range of special inspection services. <br />Our field technicians and inspectors maintain current certifications including International Code Council (ICC), <br />National Institute for Certification in Engineering Technologies (NICET), American Concrete Institute (ACI), <br />and State of California Department of Transportation (Caltrans), as well as required certifications from the <br />cities and counties where work is performed. <br />Our construction inspection services are as follows: <br />EARTHWORK AND FOUNDATIONS <br />• Site Grading Observation <br />• Sloping / Compound / Excavations / Shoring <br />• Underground Utility Installation <br />• Subgrade Preparation <br />• Chemical Treatment <br />• Geotextile / Rock Stabilization <br />• Base and Paving Placement <br />• Spread Footing / Grade Beam Construction <br />• Conventional / Post -Tensioned <br />Mat Foundation Construction <br />• Drilled / Driven Pile & Pier Installation <br />• Micro -Pile Installation <br />• Tie -Back Anchor / Soil Nail Installation <br />• Stone Columns / Vibrocompaction / <br />Deep Dynamic Compaction <br />• Compaction Grouting <br />LABORATORY TESTING <br />DEPUTY / SPECIAL INSPECTIONS <br />• Reinforcing Steel / Shotcrete Placement <br />• Concrete Placement / Curing <br />• Pre -Stressed / Post -Tensioned Concrete <br />• Shotcrete <br />• High -Strength Bolting <br />• Drilled -In -Anchor Installation <br />• Structural Steel Welding / Welding <br />Qualifications <br />• Structural Wood <br />• Steel & Welding Fabricator Shop <br />Inspections <br />• Batch Plant Inspections <br />• Reinforced Masonry Construction <br />Our in-house soils and materials testing laboratories are certified by the American Association of State <br />Highway and Transportation Officials (AASHTO), State of California Department of Transportation (Caltrans), <br />Cement and Concrete Reference Laboratory (CCRL), Division of State Architect (DSA), and City of Los <br />Angeles. Testing of soil, aggregate, asphalt concrete, and Portland cement concrete is performed in <br />accordance with published test procedures such as American Standards for Testing Materials (ASTM), <br />Caltrans, USACE, AASHTO, or the governing building code. Our in-house, 400,000 lb. Universal Testing <br />Machine (UTM), manufactured by Southwark -Emery, is capable of testing up to a #18 Rebar, as well as high <br />strength bolts and nuts. <br />In-house quality assurance programs are maintained to provide professional -level accuracy and <br />reproducibility acceptable to current industry standards. This is accomplished by internal staff training, <br />calibration of appropriate testing apparatus by certified independent agencies, and periodic inspection by <br />outside accredited testing and inspection agencies. Our testing laboratory provides soil and materials testing <br />services and is extensively equipped and staffed with trained, qualified personnel and registered engineers <br />who oversee laboratory testing. Laboratory reports will be distributed (pdf email) to project teams as testing <br />is performed and failing tests will be reported immediately. Our laboratory services are available 24 hours <br />a day, 7 days a week. <br />Our laboratory testing services are as follows: <br />• Soil Compaction Curves <br />• Soil Index Properties <br />• Soil Shear / Compressive Strength Properties <br />• Soil Consolidation / Expansion <br />• Soil Grain Size Analyses / Gradation <br />• Soil Pavement Stability <br />• Soil Corrosion <br />• Concrete / Asphalt <br />• Masonry / Grout / Mortar <br />• Rebar, Yield and Tensile Strength <br />• Bolt Assemblies <br />Geocon 2023-333 Page 27 August 28, 2023 <br />