Structural Systems

Welcome

Hello, and welcome. This is Super Structures General Contractors — a national general contractor headquartered in Powhatan, Virginia — here to help you and your clients build something that lasts. We're glad you're with us, and we look forward to connecting with you.

Let me tell you why Structural Systems pays off down the road. Here's the big idea to walk away with: The structure carries loads to the ground via the load path (roof/floor → beams → columns/walls → foundation → soil); know the framing systems (wood/steel/concrete/masonry), gravity vs. lateral, and never let a trade penetrate a structural member without the engineer's approval. Do this right and it shows up in your work, your reputation, and your paycheck.

The structure carries the building's loads down to the ground. Builders should know the main systems and the load path.

The pieces

• Foundations — shallow (footings, slab-on-grade) or deep (piles, caissons) — transfer load to the soil.
• Superstructure framing — wood (light-frame), structural steel, cast-in-place/precast concrete, or masonry.
• The load path — roof/floor loads → beams/joists → columns/walls → foundation → soil.
• Lateral systems — resist wind/seismic: shear walls, braced frames, moment frames.

Going Deeper (Intermediate)

Distinguish gravity loads (down) from lateral loads (wind/seismic, sideways), and remember the continuous load path and connections carry both. Systems are chosen by span, height, fire rating, and cost — wood for low residential, steel for long spans and high-rise, concrete for fire/mass, masonry for bearing walls. The engineer of record (EOR) designs it; you read it on the S sheets, schedules, and details.

Advanced / Pro-Level

Know the floor systems (joists, open-web trusses, composite steel deck, post-tensioned and flat-plate concrete), transfer structures (podiums), and expansion joints. The GC's structural responsibilities include shoring/reshoring, formwork, the sequence of concrete pours, steel-erection stability, and special inspections (welds, bolts, concrete). Watch deflection and tolerances (they affect finishes) — and never let a trade cut or penetrate a structural member without the EOR's approval.

Practice Challenge

A plumber wants to cut a 4" hole through the middle of a structural steel beam to run a pipe. What's the issue and the right move? (Answer: you don't cut or penetrate structural members without the EOR's approval — a hole in the wrong location can compromise the beam's capacity. RFI the structural engineer (who may permit a sized/located penetration or require reinforcement) or reroute the pipe. Understanding the structure prevents a dangerous, unauthorized field cut.)

Takeaway: The structure carries loads to the ground via the load path (roof/floor → beams → columns/walls → foundation → soil); know the framing systems (wood/steel/concrete/masonry), gravity vs. lateral, and never let a trade penetrate a structural member without the engineer's approval.

Educational overview — building systems and safety requirements must follow the adopted codes, OSHA standards, and qualified professionals; verify for your project.