Get amazed by a demountable parking hall
There are other medium-term development plans for the plot with breathtaking views over The Granger Bay; however, V & A Waterfront wanted to utilize the space in the meantime. A demountable parking hall was a suitable option, because of the great demand for additional parking space in the area. Further, unbolting and re-using it elsewhere would require minimal onsite demolition work.
V & A‘s project manager, Niaz Ahmed, came up with the concept for the knock-down parking structure, which was further developed by MRV Architects. Using precast concrete was clear from the start, because of the chosen structure and demand for fast erection due to the quickly approaching festive season. ‘’Hollow-core slabs not only offered re-usability, but because they are lighter than in-situ concrete, less steel was required for the framework. Moreover, their ease and speed of installation using mobile cranes meant that this was a genuine fast-track project’’ said Niaz.
Portland Hollowcore, one of South Africa’s leading manufacturers of precast concrete and Elematic customer, delivered 8,000 m² of pre-stressed hollow-core slabs and 16 staircases for the project. According to Niaz, “the steel frame comprised vertical columns - mounted on concrete pad footings - and steel cross beams which supported the pre-stressed hollow-core slabs.’’ The hollow-core slabs were individually installed to the steel beams with steel angle brackets. After which the v-joints were filled with 25 MPA concrete. Structural topping was left out and replaced with more steel per m² to reach required loading capacity.
One might think that a demountable structure can’t be attractive; however, the parking hall has staggered steel slats in various colors facing the elevations. A landscaping element, wall leafy creepers, is waiting to be added when the water shortage is beaten in Cape Town. Nevertheless, the building is appealing and can enjoy the lifespan of a normal structure.
V & A Waterfront Demountable Parking Hall in detail:
- Year of construction: 2016
- Size: 540 parking bays
- Developer: V&A Waterfront
- Architect: MRV Architects
- Structural design: L Hedge Consultants
- Main contractor: NMC Construction
- Structure: Bolt-on steel frames and hollow-core slabs
- Precaster: Portland Hollowcore
- Amount of the elements: 8,800 m² of pre-stressed hollow-core slabs and 16 staircases