Mediclinic’s roof gets the nod for SAISC Steel Awards

by Ofentse Sefolo
Mediclinic’s roof gets the nod for SAISC Steel Awards

Mediclinic Vergelegen is situated in the beautiful town of Somerset West in the Western Cape. It is a modern multidisciplinary hospital, well known for its superior patient, medical and nursing care; and with the continued demand for high-quality healthcare services, the hospital has recently undergone a major expansion.

The fourth phase of the construction required an exceptional roofing solution of non-combustible material, which could support solar panels and simultaneously bear the weight of the specialised medical theatre equipment.

Based on the success of previous healthcare facility projects, steel was the preferred material. As MiTek’s Ultra-Span system can clear span up to 40m, this prefabricated light gauge steel roof truss system was an obvious choice.

Custom design optimises efficiency
Using inverted shape trusses of MiTek Ultra-Span components ranging between 14m and 20m clear spans, the structural framing consisted of cold-rolled, specially designed sections of various profiles and thicknesses, cut to length with one-sided assembly.

Prefabricated in Rooftek’s factory, the trusses can be assembled in roof sections of approximately 150m² before being lifted into position.

This optimised design was created by MiTek Engineering in Cape Town, with the design headed by Jaco van Wyk (Senior Designer at MiTek). The premanufactured roof trusses can be simply assembled and effortlessly lifted into place, with the inverted shape enabling the optimised connection of the trusses and the permitted services, reducing torsional movements on the concreate ring beams, resulting in a structurally sound roof design.

Close collaboration

Given that the overall roof design had to seamlessly fit with that of the previous phase, coupled with the box-gutter detailing and the need for additional steel sprockets, could have resulted in some challenges. However, the close collaboration between MiTek, TV3 Architects and Rooftek meant the design complexities were eliminated prior to the manufacturing and erecting of the roof structure.

It is a huge advantage to have Kalahari Bruwer, owner of RoofTek on any project team,” comments Hennie Viljoen, regional and marketing manager at MiTek. “He is brilliant at what he does, and he uses Ultra-Span in the most innovative ways.”

The fourth phase of the construction was successfully completed, with Mediclinic Vergelegen in Somerset West being nominated for the 2019 SAISC Steel Awards.

Project facts:
• Client: Matec Construction.
• Architect: TV3 Architects and Town Planners.
• Engineer: MiTek.
• Roofing and cladding: Global Roofing Solutions.
• Tons of LSF used: 27 248,85kg.
• Span of trusses: 15 920m.
• Completion of LSFB work: 2019.

MiTek Industries South Africa
Tel: 011 237 8700
Website: www.mitek.co.za

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