OnSite Precision

Professional Engineering and Field Services

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About the firm

OnSite Precision, LLC provides turnkey, multi-disciplinary engineering and on-site field machining services. Operating with professional engineers and technicians, the practice supports complex specifications for end users, heavy industrial contractors, and manufacturers across heavy industrial environments.

Firm type
Mechanical Engineering · Structural Engineering · Industrial Engineering

Capabilities

Engineering Services

Service website

Offers fabricators, mechanical contractors, end users, and owners engineered solutions for complex, heavy industrial projects with fast turnaround and 24/7 availability.

  • Professional Engineering Support

    Contract professional engineering services to solve complex engineering problems across all 50 states and globally.

  • ASME B31 Piping Systems Engineering

    Engineering services for new construction, repairs, and alterations of piping systems, specializing in ASME B31.1 Power Piping, ASME B31.3 Process Piping, and ASME B31.4 Pipeline Transportation Systems.

  • ASME Boiler and Pressure Vessel Engineering

    Professional engineering design for ASME Section VIII Div. 1 and Div. 2 pressure vessels and heat exchangers, spanning design pressures from 50 to 7500 psi.

  • Certifying Engineer for ASME Code Fabricators

    Independent contract certifying engineer services for ASME Code 'U' stamp fabricators, ensuring compliance with ASME Section VIII Div. 1 Appendix 47.

  • Fitness-For-Service (FFS)

    Quantitative engineering analysis of in-service components and equipment to API 579 / FFS-1, performed in conjunction with API 510, API 570, and API 653.

  • API Welded Tank Engineering

    Specialized engineering in API 653 tank inspection, repair, alteration, and reconstruction, alongside contract design for API 650 welded tanks.

  • Technical Field Assistance

    On-site field engineering assistance for new product training or owner's engineer services during major industrial equipment repairs and overhauls.

  • Structural Engineering

    Detailed engineering calculations, drawing preparation, and structural design for assemblies like platforms, pipe crossovers, pipe supports, handrails, and staircases.

  • Mechanical Design and Drafting

    Detailed drawings and drafting support in compliance with ASME Y14 standards throughout the engineering life cycle.

  • Finite Element Analysis

    FEA and design services using modern technologies to ensure component and structural integrity.

  • 3D Scanning and Engineering

    High-resolution point cloud generation and laser scanning to capture exact as-built conditions, integrating into AutoCAD, Plant 3D, and SolidWorks.

Onsite Field Machining Services

Service website

Precision onsite machining and field-engineered services to support heavy industrial operations with minimal downtime.

  • Line Boring and Bore Welding

    Heavy-duty line boring and bore welding services for diameters up to 80 inches to rebush, weld, and bore journals, housings, and machinery joints.

  • Onsite Field Milling

    Precision field machining and milling services for critical mating surfaces up to 180 inches long, achieving tolerances down to 0.002 inches per foot.

  • Flange Facing and Flange Repair

    On-site flange facing services with inside and outside diameter mounts for B16.5, B16.47, and custom Appendix 2 flanges.

  • Circular Milling

    Versatile circular milling field machining capable of processing diameters up to 200 inches for heavy industrial applications.

  • Hand Scraping

    Electric and manual hand scraping services delivering 40 points per inch and flatness tolerances to within 0.00015 inches per foot.

Quality Assurance and Quality Control

Service website

Work in this area is organized into supported delivery tasks.

  • Vendor Inspections

    Support includes Vendor inspections.

  • Review Of QA/QC Manuals

    Support includes review of QA/QC manuals.

  • Processes

    Support includes processes.

  • In-depth Documented Quality Control Inspections For Field Engineering Applications

    Support includes in-depth documented quality control inspections for field engineering applications.

  • Work In This Area Is Organized Into Supported Delivery Tasks

    Support includes Work in this area is organized into supported delivery tasks.

Industries

Power Generation · Oil & Gas · Marine · Industrial · Manufacturing

Projects

No projects listed yet.

OnSite Precision - Engineering Firms