July/August 2021 - 97

mobilisation of ground investigation
early and the appreciation and facilitation
of the need for further phases of
that investigation were key.
The combined thinking of structural
and geotechnical design teams forged a
considered and effective solution for
this project of significant complexity to
retain much-loved structures. Finally,
the residual risks, with appropriate
insurances, were identified and
addressed through detailed monitoring.
The client and design teams were
determined to succeed. The end result
allowed for savings in cost and a
reduced carbon footprint compared to
demolition and new build.
Acknowledgements
The authors would like to thank the
client for the project, Derwent London,
as well as Make, their architect. The
main contractor was Multiplex. Arup,
serving as the engineer, was also
novated to Multiplex.
Hilary Shields is a senior geotechnical engineer
with Arup in the U.K. She has 33 years of
experience in the geotechnical design of
foundations, foundation reuse, retaining
structures and earthworks, and in investigation
and interpretation of ground conditions.
Jo Sainsbury is an associate director at Arup, with
19 years' experience as a structural engineer. She
has led multidisciplinary engineering design
teams on various projects in the U.K. and
internationally, and has a passion for fully
integrated design and reuse of existing structures.
Completed 65 Whitfield Street, with 67-69 (red) and 71-81 (tan) in background
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Table of Contents for the Digital Edition of July/August 2021

July/August 2021 - Intro
July/August 2021 - 1
July/August 2021 - 2
July/August 2021 - 3
July/August 2021 - 4
July/August 2021 - 5
July/August 2021 - 6
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