Page 1 - RuFUS Project Experience.cdr

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Reusing Foundations

Our experience with RuFus and reusing foundations
In introducing the RuFUS framework (Reuse of Foundations in Urban Settings) in 2006, BRE
sought to kick start a debate on the reuse of foundations that was perhaps long overdue.
Certainly, CGL had been recommending reuse to clients and designing for this for nearly a
decade prior to its introduction. Reuse of existing pad foundations, reusing pile foundations
or revising the foundation support strategy for building reuse can represent significant cost
savings for developers. With the current emphasis on refurbishments to existing buildings
this is even more attractive to our clients.

As urban development becomes more congested, reuse of foundations supports sustainability and future development
potential as well as minimising usage of new materials. Some of the more relevant projects where CGL have reused
foundations are summarised below:

Early experience
Brief description:
One of the early reuse of piled foundations was in the late
1990's at Building 15, Butlers Wharf, East London. Working
closely with structural engineer Walsh Associates, CGL
supervised the coring of an exposed concrete pile to the full
depth to provide information on depths of the installed pile,
concrete quality and condition of reinforcement.
Ÿ Investigation of existing pile
Ÿ Soil and concrete testing
Ÿ Assessment of original pile capacity Butlers Wharf, Shad Thames
Ÿ New pile load designs

Reuse of shallow foundations
Brief description:
Once again working closely with consultants Walsh
Associates CGL created value engineering opportunities for a
number of sites that included, the Dolphin Centre Romford,
The Minories, Tower Hill and Lidl Redhill where reuse of
earlier structures allowed rafting or enhanced shallow
foundations to be utilized for new construction.
Ÿ Investigation of existing foundations
Ÿ Revised foundation and settlement analysis
The Minories, Tower Hill

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