Steel Structure & Composite Floor Design – Georgetown Ontario
Parsways provided structural engineering design for a new interior steel structure at 315 Guelph Street. The scope included foundations, structural steel framing, composite floor system, and stair support.
The design was completed in accordance with the Ontario Building Code and applicable CSA standards for steel and concrete structures.
Location: Georgetown, Ontario
Completion: December 2024
Sector: Commercial
1. The Challenge
The project required introducing a new steel-framed level within an existing building footprint.
Existing Building Constraints:
New columns and footings had to be coordinated with assumed existing slab and foundation conditions.
Composite Floor Integration:
A composite steel deck and concrete topping system needed to align with beam framing and load transfer requirements.
Code Compliance:
The structure had to satisfy prescribed gravity and seismic loads under the Ontario Building Code.
2. The Engineering Solution
Parsways developed a coordinated structural design for steel framing and foundations.
a) Foundations and Columns:
Reinforced concrete spread footings and HSS columns were designed to provide stable load transfer to soil.
b) Steel Framing and Floor System:
Structural steel beams and composite metal deck were designed to form the new floor assembly.
c) Stair and Connections:
Steel stair framing and beam-to-column connections were detailed for strength and constructability.
3. The Outcome
The result was a permit-issued structural package for a new interior steel level within a commercial building. Clear load paths were established from floor deck to beams, columns, and footings in compliance with OBC requirements. The completed design supported safe construction and long-term structural performance.