Sean Corcoran, P.E.

Experience

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  GeoTechnologies, Inc.

  May 2013 - Oct 2023

  Senior Engineer

  Construction Services Department• Verified in-field soil bearing capacity for footings and subgrade, performed pavement proof-rolls, inspected embedded steel, and made associated repair recommendations• Performed quality control testing and installation documentation for deep foundations such as aggregate piers, micro-piles, cast-in-place piles, driven piles, and helical piers• Performed numerous ASTM tests on soils, concrete and asphalt in the field and a certified construction materials lab Engineering Department• Generated comprehensive subsurface investigations reports with hand operated and mechanized equipment for a wide array pf project types• Generated boring logs and performed potential settlement and bearing capacity analyses based upon Standard Pen. Testing (SPT) data, Cone Pen. Testing (CPT) data, and Dilatometer Testing (DMT) data• Developed original Microsoft Excel programs to analyze geotechnical issues• Performed slope surveys and analyzed existing and proposed slopes for global and local stability• Designed and generated engineering plans for segmental block retaining walls, and stabilized slopes.• Performed analysis and developed installation specifications/plans for various deep foundation projects• Spearheaded pavement investigations to evaluate existing pavements and make recommendations for repair and remediation providing several detailed repair options, including designing pavement sections • Provided analysis using in-field testing equipment including: Windsor probes, seismic vibration monitoring, seismic refraction testing, REMI seismic testing, Ground Penetrating Radar (GPR) and ProfoscopeDrilling Services Department• Generated proposals for subsurface investigations and reports• Performed in-situ Dilatometer Testing (DMT) and SPT testing in the field• Organized subsurface investigations form start to finish, involving in-house drillers and subcontractors Show less

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  Carolina Foundation Repairs

  Jun 2021 - Apr 2022

  Staff Engineer

  Provide engineering services/reports including: - Design foundation repair plans - Sizing of header/beam/girder/floor joists for new construction and remodeling/repairs. - Specifying/verifying bolting for various large machines/structures. - Design and evaluation of signs and other foundationsPerform residential evaluations and generate engineered reports and repair proposals for: - Floor systems, subfloors, slabs-on-grades, chimneys, and shallow/deep foundations issues - Crawlspace remediation and moisture-related issues - Deck, attic and general framing issuesManage and communicate with several 6-man crews implementing proposed residential repairs. Show less

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  GeoStructures, Inc.

  Oct 2023 - now

  Technical Sales Engineer