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Mechanical & Structural

Precise Systems. Reliable Structures. Built to Perform.

From industrial facilities to water/wastewater treatment plants and municipal infrastructure, MAC Construction delivers the mechanical and structural scopes that support critical operations. Our qualified teams install, integrate, and execute complex mechanical systems and structural steel with a focus on safety, precision, and long-term performance.
 
By having the capability of self-performing these trades, we minimize subcontracting, improve coordination, and maintain direct control over quality and schedule, ensuring every system and structure is delivered with the reliability our clients expect.
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Mechanical & Process Piping

MAC installs, modifies, and integrates mechanical and process piping systems that keep plants and industrial operations running safely and efficiently. Our teams bring extensive experience in plant work, high-pressure systems, and mission-critical mechanical environments.

Capabilities include:

  • Process and mechanical piping installation
  • Pump, valve, and mechanical component installation
  • Equipment setting, alignment, and startup
  • Stainless steel, ductile iron, PVC, HDPE & specialty piping
  • Welded, flanged, grooved, and mechanical joint connections
  • Hydrostatic testing, certification, and commissioning
  • We build systems you can trust - from the first fit up to the final startup

Structural Steel Erection

MAC provides safe, precise structural steel erection for industrial, municipal, and heavy civil projects. Our crews handle everything from frame systems and platforms to specialized equipment supports.

Capabilities include:

  • Structural steel frame erection
  • Mezzanines, platforms, and catwalks
  • Equipment support structures
  • Rigging, lifting, and crane operations
  • Bolt-up, alignment, and field welding
  • Miscellaneous steel installation
  • Our ironworkers ensure every component is delivered and installed to exacting standards

Integrated Mechanical & Structural Delivery

Mechanical and structural scopes must align with concrete, utilities, and broader plant systems. MAC’s teams coordinate early and often, reducing conflicts, optimizing sequencing, and ensuring your facility is built for seamless long-term operation.

Benefits of MAC’s integrated approach:

  • Single-source accountability
  • Improved sequencing and constructibility
  • Streamlined communication across trades
  • Minimized downtime and rework
  • Consistent quality and safety across all systems