The project features a two-story office block and a mezzanine office. The warehouse and offices were designed for dolomitic conditions with a post-tensioned surface bed (FM2 finish). The warehouse steel structure consists of two girder trusses with a 32m span that supports a total of 16 portal trusses spanning 32m on the sides & 24m internally. The average span for the purlins was 10.667m with one bay spanning 12m. Due to these large spans for the purlin a Metsec section was selected for the structural capabilities it gives compared to standard cold formed lipped sections.
The steel structure was divided into four phases with the canopies as the fourth phase. The spring height for the warehouse is approximately 15,1m with reinforced concrete columns extending 13.5m above the surface bed to support the portals.
The challenges faced during the erection of the steel structure were mostly natural causes such as rain and wind that made working conditions difficult and thorough safety precautions were adhered to.
On the Main warehouse
The large spans for the purlin whilst keeping the weight for the structure as low as possible, further the selection of available purlin sections (demand and supply) that can span the required distances was a challenge by itself.
|Completion date of steelwork||June 2018|
|Completion date of full project||12 December 2018|
|Tons of structural steel used||408 Tons|
|Structural profiles used||I-sections, Angles, Hollow sections, cold formed sections, metsec z & c sections, T- sections,|
|Completion date of cladding||October 2018|
|Cladding profile/ type used||Horizontal = CRAFT-LOCK® 0.58MM G 300 S AZ 100 COLORPLUS RIBBED METAL SHEETING
Vertical = IBR 0.53MM G 550 S AZ 100 COLORPLUS RIBBED SHEETING
|LSFB / LIGHT STEEL FRAME BUILDING WORK|
|Completion date of full project||Practical Completion = 12 December 2018|
|Tons of LSF used||7 Tons|
|Span of trusses and Kg/m2 (if applicable)||No Truss, Beam Span Roughly 14.2m|
|Profiles used||I-Sections, Angles, Square Hollow Sections, Cold Formed Sections|