Cottrell & Cottrell, LLC

Integrated engineering services for hull form design, stability, resistance, propulsion, and marine utility systems.

• Naval Architecture

  Feasibility and FEED studies, hydrostatics, intact and damaged stability calculations, resistance and propulsion, propeller sizing, and vessel motions.

• Marine Engineering

  Equipment selection, piping system design and analysis per ASME B31.1, pump sizing, propulsion system design, control systems, and ventilation.

• Shipbuilding & Shipyard Planning

  Shipyard operations advice, layout and process optimization, drydock certification, and blocking arrangement analysis.

Technical design, structural analysis, and thermal modeling for high-performance and safety-critical industrial applications.

• Mechanical Engineering

  System and machinery design, component material selection, Caesar II pipe stress analysis, HVAC, and vibration diagnostics and remediation.

• Structural Engineering

  Static stress, deflection, fatigue calculations, plastic and energy-absorption design for dropped objects, and ANSYS vibration analysis.

• Pressure Vessel & Thermal Systems

  Vessel design per ASME Section VIII using Compress, process simulation with PRO/II, and API RP 521 relief valve sizing.

Design and engineering of marine mooring arrangements, rigging components, and heavy transport operations.

• Mooring Systems

  Estimation of mooring loads, single-point mooring, and temporary harbor mooring design utilizing Orcaflex.

• Rigging & Mechanical Handling

  Wire rope selection, sheave sizing, winch and crane specifications, and mechanical handling systems.

• Heavy Lift & Transport

  Stress analysis from pick points, padeye design, spreader bar selection, barge transfer evaluation, and tie-down design.

Expert witness testimony and forensic investigations for marine, offshore, and industrial incidents.

• Expert Witness Testimony

  Technical testimony for complex disputes, platform failures, and vessel loss incidents.

• Engineering Forensics

  Root cause and failure analysis of structural elements, piping networks, and high-pressure dynamic seals.

• Case Consultation

  Analytical, consulting, and technical case-building support for legal teams.

Coordination of cross-disciplinary resources, documentation, and budgets for technical projects.

• Engineering Management

  Implementation of change control, document processes, ISO 9001 certification prep, and organizational engineering communication.

• Project Management & Scheduling

  Scope of work definition and enforcement, critical path scheduling, expediting, vendor control, and site supervision.

• Business Services & Economics

  Economic analysis, market research, competitor evaluation, and organizational gap analysis.

Technical reviews and compliance submittals to ensure adherence to international classification society rules and federal safety codes.

• Classification Society Support

  Submittal and client representation for major societies including ABS, DNV, and BV.

• Marine & Offshore Regulatory Compliance

  Verification against USCG, IMO MODU Code, SOLAS, MARPOL, and safety case requirements.

• Engineering Standards Verification

  Alignment checks with API, ASME, ISO, NFPA, AWS, and OSHA codes.

Engineering documentation and computerized modeling supporting fabrication and construction.

• 2D Drafting

  Detailed technical drafting and fabrication drawings using AutoCAD and DraftSight.

• 3D Modeling & Coordination

  Complete three-dimensional modeling and clash detection utilizing SOLIDWORKS and Navisworks.