Structural Steel

Quality steel erection is critical to any project. We provide consistent, safe workmanship when we build your system’s steel infrastructure.

Quality Steel, Safely Constructed

Our projects are more than just piping or equipment installation. We can build your infrastructure too.

Projects with steel erection need consistent workmanship and rigid quality control. We are committed to delivering both with the safe, high-quality steel erection projects that your sites require.

Supporting Our Process Installations

Harder is an AISC Structural Steel Erection Contractor with a core group of highly skilled and experienced ironworker craft and supervision. Our Quality Control specialists provide the information, training, and inspection needed to exceed compliance with all AWS D1.1 Code requirements. Harder’s constructability insight is invaluable when it comes to cost saving approaches, rigging and hoisting solutions, and installing new steel and concrete inside existing facilities.

Structural Steel Services

Success Driven Relationship and Retention

Harder performs structural steel projects ranging from a few tons of steel to several thousand tons, and from new construction to safe demolition and reinforcement. Our steel erection services include:

New Structural Steel
Reinforcement of Existing Structures
Safe Demolition of Existing Structures
Steel for Process Skids
Platforms
Mezzanines
Walkways and Handrails
Steel for Pre-loaded Pipe Trestles

Projects

Refinery Crude Unit Upgrade and Expansion

Building in and around a live unit is no problem for Harder Mechanical.

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Projects

Port Westward Unit 2

At PGE Port Westward, Harder self-performed everything from the concrete pour to process piping.

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Projects

Marina Heights

Innovation creates a competitive advantage in commercial construction.

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Projects

RA4 Office and Manufacturing Building

This design-build BIM project included over 160,000 LF of piping, all process and wet HVAC, multiple cooling tower installations, and any associated equipment.

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Projects

South Building Gan Complex

The Owner brought Harder onboard to expand the fab’s general exhaust system so it could support a new tool set and to consolidate several smaller standalone general exhaust systems into one.

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Where We Are

From our headquarters in Oregon to our newest offices in Texas, our teams are ready to deliver the highest quality in mechanical construction services wherever they're needed.

Work With Us

Ready to partner with the experts on your next structural steel erection project? Reach out to Harder today.