John P. Stopen Engineering, LLP

Delivers comprehensive subsurface investigation and geotechnical design services to address complex ground conditions, foundation requirements, and stability challenges.

• Construction Dewatering

  Designs groundwater control and depressurization systems to support safe excavation and construction, including assessment studies, specifications development, and litigation support.

• Deep Foundations

  Engineers high-capacity subsurface support systems to transfer structural loads safely to competent bearing strata.

• Earth Retention Engineering

  Designs temporary and permanent excavation support systems, ensuring structural stability and safety during site preparation.

• Foundation Engineering

  Formulates structural support solutions for new construction projects and designs remediation plans for existing structures.

• Geologic Evaluations

  Conducts detailed subsurface characterization and site assessments to identify geologic hazards and soil properties.

• Geotechnical Reports

  Prepares comprehensive engineering reports documenting subsurface investigations, laboratory results, and foundation recommendations.

• Ground Anchors

  Designs tension-resistant ground anchor and tie-back systems to support earth retention structures.

• Ground Improvement

  Develops techniques to enhance the load-bearing capacity and stability of problematic or weak soils.

• Site Seismic Evaluations

  Performs seismic hazard assessments and site classification to ensure structural compliance with building codes.

Delivers structural analysis and design for new construction and existing buildings utilizing steel, concrete, wood, and masonry. Services span from initial framing studies to detailed construction documentation.

• Building Envelope

  Specializes in the design, inspection, and testing of building envelope elements, evaluating distress and failure conditions through advanced investigative techniques.

• Building Structural Design

  Engineers safe, efficient load-bearing systems for new and existing buildings utilizing diverse materials such as steel, concrete, wood, and masonry.

• Equipment Foundations

  Designs robust supports for mechanical, process, and industrial equipment to manage vibrations and operational loads.

• Restoration & Renovation

  Provides structural analysis and design for building renovations and historical preservation projects, extending the lifecycle of existing structures.

• Vibration Control

  Analyzes and designs systems to mitigate vibrations from machinery or environmental factors, protecting sensitive equipment and occupant comfort.

Provides specialized advisory, investigative, and construction support services, including forensic assessments, independent peer reviews, and technical expert testimony.

• Building Condition Surveys

  Assesses the ongoing serviceability of existing building structural systems across structures of all ages and historical significance, ranging from visual inspections to on-load testing.

• Expert Testimony

  Offers independent litigation support and expert witness services for legal matters involving structural and geotechnical engineering.

• Forensic Engineering

  Investigates and analyzes structural failures, distress conditions, and material deficiencies to determine root causes.

• Peer Review

  Conducts independent technical reviews of structural and geotechnical engineering designs to verify compliance and optimize solutions.

• Construction Engineering

  Provides engineering support during the construction phase to assist contractors and owners in executing project plans safely and efficiently.

• Delegated Design Engineering

  Supplies specialty structural design services delegated from the engineer of record, engineering specific components or systems.