Case Study / Waterproofing 

Maroush Warehouse, London

Waterproofing a large excavated basement

Maroush

MacLennan were employed by Construction Company, Toureen Group to design, supply and install a waterproofing solution for the large new basement of the fine cuisine institution, Maroush as their new Head Office and Distribution centre.


Construction of the building consisted of a four storey new build with a contiguous piled basement and reinforced concrete frame superstructure.

The basement was excavated to 5m and used large steel tubes across the site to support the walls, the site was then excavated and construction of the basement could begin.

The MacLennan team offered design expertise and detailed all aspects of the waterproofing with the architect, engineer and contractor.

Maroush
Maroush
Maroush

Method


The MacLennan design team quickly came up with a scheme to supply and install a ventilated cavity membrane system from floor to ceiling while using lime inhibitor to protect the system.

A hydrodrain channel with inspection ports was then installed around the wall floor join, leading to a hydrosump-pro system. The properties lift pits were then waterproofed with a cementitious coating system.

All work complied with British Standards.

Result


The final outcome made certain that the property was waterproof, a mixture of different systems ensured that all aspects of the large former ambulance station were covered.

The whole contract was designed and carried out by MacLennan under their insurance cover and PI and subsequently guaranteed.

3d Details


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