COFFMAN ENGINEERS INC

SPOKANE,  WA 
United States
https://www.coffman.com/
  • Booth: 9101


Each project has its own unique challenges. Let us help.

Coffman is a multidiscipline engineering firm that has been delivering innovative solutions for over 40 years. Our industrial team of mechanical, structural, and electrical engineers provides consulting services for highly technical and unique operations involving heavy lifts, cranes, bridge and building maintenance travelers, fish systems, hydro gates, process equipment, and industrial facilities.

Brands: Engineer, Industrial, Mechanical, Structural, Electrical, Consultant, Assessment, Analysis, Crane, Gantry, Gates, Dam, Hoist, Bridge, System, Rehabilitation, Repair, Replacement, Design, Cost Estimate


 Products

  • Specialized Industrial Projects
    Coffman provides multi-discipline consulting services for highly technical and unique applications involving heavy lifts, cranes, bridge and building maintenance travelers, fish systems, hydro gates, process equipment, and large industrial facilities....

  • Our extensive hydropower experience includes bridge, gantry and custom cranes, stoplogs and bulkhead caissons, fall protection anchorages, fish mitigation systems, unique maintenance platforms, hydraulic cylinder gate hoists, intake, miter and spillway gates, custom lift applications and project commissioning.

    Our large industrial facility experience includes projects working directly with Boeing, Kaiser Aluminum and industrial contractors.


    Our specialty projects include:

    • Aerial construction platform conceptual design for the Space Needle
    • Design of sixteen maintenance travelers on the Golden Gate Bridge
    • One-of-a-kind Aircraft Flip Facility for the US Air Force
    • Selective water withdrawal facility at Round Butte Dam
    • Kaiser Aluminum 4400T Extrusion Press Building
    • 600-ton Bridge Crane rehab at Little Goose Dam
    • Phase 1 assessment of a 2,000-ton Gantry Crane at Grand Coulee Dam
    • 90 yd3 Capacity Snow Hauler Trailer for use in the South Pole
    • Boeing Paint Hangar Upgrades

    Capabilities:

    • Heavy Lifting Systems
    • Crane/Site Assessment, Analysis & Design
    • Bridge and Building Maintenance Travelers
    • Fish Mitigation Systems
    • Design of One-Off Equipment
    • Construction Access Platforms
    • Custom Machine Design
    • Finite Element Analysis
    • Shop Drawings
    • Commissioning Support
    • Multi-Discipline Engineering (Civil, Structural, Mechanical, Electrical, & Fire Protection)
    • Technical Reports
    • Site Surveys
    • Seismic Analysis & Design
    • Lifting & Rigging Plans
  • Industrial Owner's Representative
    Due to the complexity and unique nature of industrial and hydroelectric facilities, Coffman understands the need for a highly experienced and qualified design support team....

  • Coffman provides multi-discipline consulting services with a three-phase
    approach:


    1. Project planning
    2. Bid Specifications and Project Design
    3. Construction Administration


    Many of our engineers have previously worked as design engineers in
    fabrication shops, providing a manufacturing perspective and understanding
    of shop practices and procedures.


    Our experience includes projects with the US Army Corps of Engineers,
    Bureau of Reclamation, Public Utility Districts, Kaiser Aluminum, Boeing, US
    Military, irrigation districts and many others. Our team focuses on providing
    safe and cost-effective technical solutions backed with experience spanning
    several years and projects.

    Capabilities:

    • Shop drawings
    • Calculations
    • Site assessments
    • Project specifications
    • Evaluations
    • Technical reports
    • Inspections
    • Commissioning support
    • Stress-life and Strain-life fatigue
    • Construction management
    • Seismic Analyses
    • Structural Assessments
    • Gate Inspection & Analysis
  • Construction Support
    Our team focuses on providing safe and cost-effective technical solutions backed with experience spanning several hundred projects at hydroelectric and fish passage facilities....

  • From providing detailed engineering design to designing site-specific construction aids, our long history has taught us that each construction project has its own set of unique challenges.

    We have developed the necessary means to be successful: an understanding of the technical and operational aspects of the project, close collaboration between the Owner, Contractor and Engineer, and a seasoned team that understands the administrative aspects of working with the Corps of Engineers. Every project is distinctive and this is where we excel by understanding the needs of all team members, and providing timely support.

    Coffman has provided construction support engineering services to multiple contractors in the Pacific Northwest Reservoir System. At the Lower Granite Juvenile Fish Bypass project, we have designed stoplogs, custom temporary shoring, a steel bulkhead/caisson, temporary drill rig platform over the tailrace, and fall protection systems. We have also designed multiple construction aids such as tainter gate jacking systems to support trunnion replacement, and temporary cofferdams to support breaching a dam in Alaska for fish migration. In addition, we have extensive experience in mechanical and electrical system design for cranes, drive systems and hoists.


    Capabilities:

    • Cofferdams
    • Work Platforms
    • Bulkhead Design
    • Custom Shoring Towers
    • Temporary Bracing
    • Tainter Gate Rehab
    • Deck Loading Analysis
    • OSHA Guardrails, Catwalks, & Ladders
    • Fall Protection Systems
    • Seismic Bracing of Equipment
    • Structural Analysis & Design
    • Lifting Beams
    • Commissioning
    • Finite Element Analysis
    • Load Test Support
    • Custom Cranes
    • Hoist Systems
    • Drive Systems
    • Gears
    • Surveys
    • Electrical Design, VFD’s/PLC

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