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OTMS Tank Farm, Saldanha, South Africa

Covering the size of 24 football pitches, 17 m high and storage capacity for 13.2 million barrels of oil: at South Africa's Saldanha Bay, a huge crude oil storage facility with twelve 110 m x 110 m tanks was realised.
Instead of a conventional slab formwork solution, the engineers designed a construction variant borrowed from bridge building using formwork carriages. Thereby, the table-like slab formwork was supported by a VARIOKIT framework construction.
The high load-bearing capacity of the VARIOKIT system provided the required support for the concrete slab until it had hardened. With only 7 formwork carriage units per tank, each casting segment crane-independently realised 880 m² of slab area per storage tank in regular 5-day cycles.
The tank slabs are supported by a total of 2,400 concrete columns, 17 m high and 50 cm or 60 cm in diameter. The project-specific reinforced SRS Circular Column Formwork had to be cleaned and oiled while in a vertical position.
Using 75 m² TRIO units, the tank walls as well as all the walls of the pumping station as well as the concrete casing of the pipelines were quickly and cost-effectively formed.
During the construction phase, project participants were able to continuously draw on a large amount of relevant information and without any delay. 3D models simplified the coordination on the construction site and facilitated fast and reliable execution and control processes.
On the jobsite, PERI project coordinators were always ready to assist the contractor with the benefit of their many years of expertise and knowledge.
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プロジェクト情報

ロケーション: West Coast Peninsula, 南アフリカ

  • Construction of 12 gigantic underground tanks for storing 13.2 million barrels of crude oil
  • 110 m x 110 m storage tanks with large-sized slab areas at a height of 17 m
  • Construction of diverse administration and logistic buildings

現場でのニーズ

  • Execution of the 110 m x 110 m storage tank slabs at heights of 17 m
  • Execution of 2,400 columns with 8 m spacings and without the possibility of laying down the formwork
  • Realisation of the tank walls without any budget overrun
  • Cost-effective execution of the huge project without any serious delays

顧客名

WBHO Construction (Pty) Ltd, Johannesburg, South Africa

お客様にとっての価値

  • Reduced cost and time requirements for the execution of the tank slabs and support columns through a project-specific implementation solution
  • Minimised problem factor for the execution of the high columns
  • Drastically reduced crane requirements and associated costs as the columns could remain in the tank for cleaning and oiling
  • Enormous cost savings due to the rentability of the TRIO Panel Formwork
  • Reduction in the number of errors and optimised work processes through an optimal overview and constant availability of all relevant information
  • Continuously optimised workflows and permanent point of contact through ongoing PERI project support
We wanted a partner on-board early in the project with whom we could work together on the solution. With PERI and the VARIOKIT system, we certainly made the right choice. It's definitely the best system, and I cannot imagine that we could have done it better or quicker with any other system.
Kobus Olwagen
Contracts Director

"We wanted a partner on-board early in the project with whom we could work together on the solution. With PERI and the VARIOKIT system, we certainly made the right choice. It's definitely the best system, and I cannot imagine that we could have done it better or quicker with any other system."

提案内容

  • VARIOKIT formwork carriage solution borrowed from the bridge building sector for cost-effective construction of the tank slabs
  • Development, testing and optimisation of reinforced, 17 m high circular column formwork which could be cleaned and oiled while still in a vertical position
  • Development of a concept for the economical execution of the large tank walls by means of project-specifically adapted TRIO Panel Formwork elements
  • Implementation of BIM for optimising the work and logistical processes during the planning phase and on the jobsite
  • Continuous project support provided by PERI project coordinators and supervisor

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