
Weldment Design, LLC
On-Demand Weldment Design & Engineering Support
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 websiteTechnical 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 websiteIntermediate 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 websiteFully 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 websiteSpecialized 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 websiteMaritime 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 websiteHigh-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 websiteHeavy-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.