OMR Multi-Storey Structural Steel Commercial Complex
Southern Infra Developers — Old Mahabalipuram Road (OMR), Chennai, Tamil Nadu
High-Performance Structural Engineering
A G+5 multi-storey commercial office and IT development center featuring composite structural steel framing, metal deck slabs, and an expansive architectural atrium with cantilevered structural canopies.
The Requirement
Fast-track construction schedule to achieve commercial leasing 6 months faster than conventional concrete construction, with large open floor plates and 2-hour certified fireproofing.
Engineering Challenge
Engineering moment-resisting steel beam-to-column connections for coastal seismic Zone III wind/earthquake loads while keeping structural column sizes slim to maximize prime leasable floor area.
Engineered Structural Steel Strategy
Engineered composite structural steel framing utilizing high-yield E350 steel beams with welded shear studs and 75mm profiled metal deck slabs. The entire steel superstructure was finished with thin-film decorative intumescent fireproofing.
Design Details
- • Composite steel beam design reducing foundation dead weight by 45% compared to RCC
- • Aesthetic curved steel canopy and glass curtain wall support framing
- • Dynamic floor vibration dampening for high-occupancy office ergonomics
Fabrication
- • Precision box column fabrication with internal diaphragm stiffeners
- • Automated CNC 3D drilling ensuring zero on-site hole reaming
- • Certified 2-hour intumescent fire protection coating application
Erection
- • Erected all 6 structural floor levels in only 11 weeks using tower cranes
- • Continuous laser survey checking inter-storey drift and plumbness within ±2mm
- • Zero noise complaints in busy IT corridor with quiet bolted connections
“Building in steel with Yatee enabled us to open our commercial center half a year before our competing RCC developments. The open column-free floor plates leased at a 15% premium.”
M. K. Swaminathan
Managing Director, Southern Infra Developers
Structural Metrics
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