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RFQ 2017-08-03 | Professional Engineering Services for Safe Routes to SchoolVillage of Key Biscayne Our Geotechnical Engineering Specialists utilize advanced geotechnical drilling equipment and a full support staff of highly skilled technicians. GFA can reach sites close by or sites that are considered inaccessible. We have completed drilling operations in the most pristine areas of the Everglades where no drilling equipment has ever been. This project was completed for the South Florida Water Management District under budget, on time, and with a minimal impact on the sensitive environment. GFA’s experienced team work to provide innovative, practical solutions to site specific problems. GFA specializes in foundation recommendations and geotechnical analysis including: • Beach Renourishment Quality Control • Turbidity Monitoring • Vibration Monitoring • Existing Building Structural Surveys • Laboratory Testing (for grain size) • Munsell Color • Carbonate Content • Shallow Foundations • Deep Foundations • Driven piles • Auger Cast Piles • Drilled Shafts • Micropiles • Soil Improvement Techniques • Demucking • Deep Dynamic Compaction • Vibroflotation • Vibroreplacement • Underpinning and Foundation Stabilization • Helical Piers • Pin Piles • Grout Injection Sitework Monitoring and Earthwork Observation GFA specializes in providing highly experienced geotechnical field technicians to oversee earthwork operations and soil improvement processes during all stages of projects including: • Vibratory Compaction & Vibration Monitoring • Pile Installation & Load Tests • Pile Driving Analyzer (PDA) Subsurface Exploration and Drilling GFA owns and operates its own drilling equipment and support vehicles and can respond quickly to requests for subsurface soil sampling and installation of monitoring wells. Our drilling crews know auger and wash boring techniques. We are experienced in split barrel sampling and rock coring and utilize standard penetration tests to collect data in order for our soil engineers and geologists to determine the nature of subsurface soils and general geomorphic conditions.GFA subsurface exploration and drilling services include: • Sinkhole Studies • Environmental Drilling • Rock Coring • Exfiltration Testing • Standard Penetration Testing Geotechnical / Hydrogeological • Peliminary Site Reconnaissance • Subsurface Soil Investigations • Foundation Analysis & Recommendations • Pile Load Test • Plate Load Test • Seismic Monitoring Geotechnical Drilling/Sampling • Monitoring Well Installation • Recovery Well Installation • Vacuum Extraction Well Installation • Auger Borings • Double Ring Infiltrometer Tests • Dynamic Cone Penetrometer Tests • Exfiltration Tests • Infiltration Tests • Muck Probes • Rock Cores • Split Spoon Sampling • Standard Penetration Tests • Static Cone Penetration Tests • Undisturbed Sampling of Soil (Shelby Tube/Split Spoon) • Vibracoring Specialty Geotechnical Testing • Ground Penetrating Radar • Seismograph Lakdas/Yohalem Engineering, Inc. (LYE) is a medium sized professional structural and civil engineering firm that has been in operation in South Florida since 1970 (Broward County). We provide Structural and Civil Engineering Services for buildings and infrastructure in the tri- 36