Weldment Design, LLC

On-Demand Weldment Design & Engineering Support

Website

About the firm

Weldment Design is a structural and fabrication engineering practice based in North Charleston, South Carolina, providing on-demand professional-engineer-stamped design services, CAD drafting, and design-for-manufacturability consulting to heavy fabricators nationwide. Licensed Professional Engineers are available across 27 states to sign and stamp drawings for structural assemblies, weldments, lifting equipment, and specialty fabrications serving heavy industrial, marine, defense, mining, and energy clients.

Team
Small
Firm type
Structural Engineering · Marine Engineering · Defense Engineering · Mining Engineering · Materials Engineering · Design-Build

Credentials

Licensed Professional Engineer in AL, AZ, CA, CO, FL, GA, ID, IL, IN, KS, KY, LA, MI, MS, MT, NV, NM, NJ, NC, OH, OR, OK, SC, TN, TX, UT, WY

Capabilities

Flex Draft CAD Services

Service website

Technical CAD drafting and production support focused on translating concepts into precise fabrication drawings.

  • 3D Modeling

    Creation of detailed frames, plates, beams, gussets, and assemblies using SolidWorks and Autodesk Inventor.

  • 2D Detailing for Shop Fabrication

    Production of detailed shop drawings including weld symbols, bills of materials, and material callouts.

  • Sheet Metal Flat Pattern Development

    Developing unfolds, bend lines, and DXF outputs optimized for laser, plasma, and CNC cutting.

  • Lofting and Nesting Support

    Preparation of layout drawings and optimizing cut plans for steel plate to reduce material waste.

  • Drawing Cleanup and Standardization

    Updating legacy DWGs and aligning drawing sets with client and industry standards.

  • Marking Plans and Weld Mapping

    Visual guides and weld maps to coordinate welders and fitters on the shop floor.

Design Assist Engineering

Service website

Intermediate design engineering and value analysis to optimize fabrication workflows and cost efficiency without requiring PE stamping.

  • Fixture and Tool Design

    Developing reusable setups and fabrication fixtures to improve fit-up accuracy and consistency.

  • Design for Manufacturability (DFM)

    Value engineering to reduce cost, simplify assembly, and create procurement efficiencies.

  • Tooling and Handling Equipment Design

    Custom engineering of lifting beams, spreader beams, and rigging systems.

  • Connection Detailing

    Detailing of baseplates, clip angles, tabs, and built-up sections per AISC or AWS guidance.

  • Field Measurement and Retrofit Coordination

    Coordinating with on-site teams and interpreting laser scans to integrate new designs into existing conditions.

  • Shop Drawing Review and Liaison Support

    Acting as a technical liaison between fabricators, detailers, and end clients to resolve RFIs and submittals.

PE-Stamped Design Services

Service website

Fully licensed Professional Engineering support for structural and mechanical systems requiring formal code compliance.

  • Engineer-of-Record Approved Drawings

    Signed and stamped drawing sets certified for structural submittal and fabrication.

  • Structural Design and Analysis

    Code-compliant structural analysis utilizing RISA-3D and SolidWorks Simulation to verify load paths.

  • Specialty Connection Design

    Custom moments, shear, and bracing checks per AISC, RCSC, AWS, and specific client requirements.

  • Lifting and Handling Compliance

    Engineering safety certification for Below-the-Hook lifting equipment, compliant with OSHA and ASME codes.

  • Design-Build Coordination

    Managing both design intent and practical constructability from concept through final engineering sign-off.

Heavy Industrial Fabrication Engineering

Service website

Specialized engineering support for heavy industrial fabrication, processing plants, and manufacturing facilities.

  • Structural Skids and Baseplates

    Precision-engineered frames for pumps, compressors, and heavy machinery.

  • Material Handling Systems

    Structural design of chutes, hoppers, conveyors, and bins optimized for high-wear environments.

  • Access and Safety Systems

    OSHA-compliant platforms, mezzanines, industrial stairs, and handrails.

Marine Engineering

Service website

Maritime fabrication design bridging the gap between naval architecture and shipyard construction.

  • Vessel Component Detailing

    Translating high-level vessel designs into actionable shop drawings for structural bulkheads and deck foundations.

  • Marine Tank and Pressure Vessel Design

    ASME Section VIII compliant design and detailing of marine-grade fuel, water, and chemical storage tanks.

Defense Engineering

Service website

High-performance engineering for tactical systems, government contractors, and military infrastructure.

  • Tactical Detailing and TDPs

    Comprehensive documentation and Technical Data Packages for government submittals.

  • High-Precision Production Tooling

    Custom fabrication fixtures to ensure repeatable accuracy in defense manufacturing.

Mining Engineering

Service website

Heavy-duty engineering for mineral extraction, processing, and high-impact environments.

  • Material Handling and Processing Detailing

    Engineering support for crusher, conveyor, and vibratory screen structures.

  • Heavy Equipment Component Support

    Design data and engineering for bucket rebuilds, truck body reinforcements, and wear-liner integration.

Industries

Industrial · Marine · Defense · Mining · Power Generation · Manufacturing

Projects

No projects listed yet.