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The Schwarzman Centre

OVERVIEW

THE PROJECT


The Stephen A Schwarzman Centre is a new state-of-the-art performing arts and exhibition development that will house the University of Oxford’s Humanities department. The architect, Hopkins, is well known for designing environmentally efficient buildings, and the main contractor Laing O'Rourke has a wealth of experience of building large complex structures. Fosroc was invited to provide a full waterproofing system for a two-level basement due to their technical expertise, customer care, and proven products. Three forms of waterproofing were proposed; pre-applied membrane, waterproof concrete and a cavity drain system. The project also included a complex detail where the new basement needed to punch through the secant wall into an adjacent basement.


THE SOLUTION


Fosroc entered into an early design development phase with Laing O'Rourke to progress the waterproofing design and overcome some of the particularly challenging aspects of the scheme. Design meetings were held to address these issues in advance of the scheme going to site. The primary protection proposed for the base was the robust Type A Proofex Engage pre-applied fully bonded membrane. Its unique mesh system allows a full bond to concrete and prevents water tracking between the concrete and membrane. Type B watertight concrete containing Supercast WCP – an integral hydrophobic pore-blocking admixture was used as secondary protection for the base and primary protection for the walls. Secondary protection for the walls was provided by the Type C Proofex Cavitydrain drained cavity system, that channels water ingress into the basement drainage system. Laing O’Rourke then appointed Fosroc’s in-house design service WDS to complete the design with the required professional indemnity insurance cover. WDS has delivered a fully detailed coordinated set of design drawings to detail the waterproofing installation, helping Laing O'Rourke to complete to the very highest standard.


THE BENEFITS


Fosroc were able to calculate approximate quantities for the scheme, including all ancillary items. This, coupled with a planned project programme enabled the supply of materials to be accurately scheduled, avoiding delays and improving the level of cost certainty for the client. By using the three types of protection, the basement of the four-storey academic building is afforded the maximum level of long-term protection against water ingress. The installation team have been very satisfied with the design provided by WDS, and the products and service received from Fosroc throughout the installation.

Products featured in this case study

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Nitocote CM210

Nitocote CM210

Supercast WCP - Watertight concrete additive

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Supercast SW waterstops

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Proofex Engage

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Proofex Cavitydrain 80

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