The Art of Structural Design - page 75

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Category 1: Buildings
1
Waterman Group
Contact
Craig Beresford
Address Pickfords Wharf, Clink Street
London SE1 9DG, United Kingdom
Website
Waterman Group is a multidisciplinary consultancy providing sustainable
solutions to meet the planning, engineering design and project delivery
needs of the property, infrastructure, environment and energy markets
worldwide. Award winning teams provide professional services throughout
the complete life cycle of the asset starting from initial surveys and
concept planning, through to design, delivery, project management,
supervision and on-going maintenance. Our philosophy is to work closely
with the client and other team members to develop the most creative,
high-quality engineering solution, on time and within the specified budget.
Owner
Land Securities
Architect
Robin Partington Architects
General Contractor
To be confirmed
Engineering Office
Waterman Group, London
1 New Street Square is a development that will build upon the success
of Land Securities’ New Street Square scheme. The floor plates offer
flexibility and enables panoramic views to be enjoyed. To optimise
awareness floor to ceiling glazing is combined with solar shading to
reduce solar gain in an effective cladding system. The arrangement of
a centre core with perimeter columns is very efficient, with a floor plate
providing circa 20,000 sq. ft. of office floor space. Efficiency of the clear
spans from the central core to the perimeter, the height constraints
imposed when working within St Paul’s viewing corridors and the stepping
back of the upper levels contributed to the selection of the steel structure.
The global analysis was done using SCIA Engineer. The detailed design
was done using the design modules and the substructure elements and
the four lower levels were designed using the concrete design module.
The entrance was moved to beneath the south east nose of the building
and introduced a cantilevered structure. Columns that were supporting
the nose of the building could not be taken to the foundations so a hung
structure was introduced. A cantilevered plate girder was used at the plant
room level with a 7.5 m cantilever and a 20 m back span. Structurally the
design has to control deflection of the structure to avoid any impact on
the cladding system such that the cladding is consistent around the whole
building perimeter and no larger movement joints or special gaskets are
required.
1 New Street - London, United Kingdom
SE
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