NSC 7
March 19
The British Constructional Steelwork
Association (BCSA) has published a second
edition of the Typical Welding Procedure
Specifications for Structural Steelwork.
First published in 2009, it was prepared
to simplify and standardise welding
procedures for structural steelwork and
to develop qualified Welding Procedure
Specifications for use in fabrication
workshops. Since then, the field of welding
has seen several developments, changes in
welding practice and more recently a drive
towards the use of higher strength steels.
BCSA Manager Fabrication and Welding
Tom Cosgrove said: “This second edition
builds on the information provided in the
original publication, introduces the use
of higher strength steels, other welding
processes and updates the previous
content to reflect current standards and
specifications.”
Whereas the original document was
based solely on the solid wire Metal-arc
Active Gas shielded (MAG) process,
this second edition also contains a
small number of preliminary Welding
Procedure Specifications (pWPS) and
partially completed Welding Procedure
Specifications (WPS), using MAG welding
with flux cored electrode (FCAW) for high
yield steel and Manual Metal Arc (MMA)
for site welding.
In total, the publication contains 20
pWPS, to support the necessary welding
procedure tests on the route to qualifying
a typical WPS, and 49 partially completed
WPS, which cover the majority of those
required for typical buildings and bridges.
They cover weld types ranging from
simple fillet welds to the more difficult butt
welds made from one side without backing.
This second edition (BCSA Publication
No 58/18) is available in PDF format only
from the BCSA Publications and Online
Shop: https://www.steelconstruction.org/
shop/, with BCSA members receiving a
50% discount.
News
NEWS
IN BRIEF
Forming an integral part of
a road realignment scheme,
Nusteel Structures has
fabricated and delivered a
50m-long × 3m-wide cycle and
pedestrian bridge that spans the
A55 south of Chester.
Tata Steel’s new RoofDek
manual is said to be the most
comprehensive structural
roof decking document to
date, containing a wealth of
information to aid design. It is
available for download at:
https://www.tatasteelconstruction.
com/en_GB/OurBrands/
building%E2%80%93systems/
RoofDek-manual-now-available
Plans have been approved for a
multi-million pound industrial/
warehouse scheme that is
set to generate significant
employment opportunities in
the West Midlands. Commercial
property developer, Stoford
Developments and specialist
sustainable and impact investor,
Bridges Fund Management, will
develop four Grade A industrial/
warehouse units at Pantheon
Park in Wolverhampton, after
planning consent was granted
by the City of Wolverhampton
Council.
HS2 has named the construction
teams that will be awarded
contracts to deliver the project’s
London terminus and its west
London super-hub at Old Oak
Common in deals which could
support up to 4,000 jobs across
the UK. A joint venture between
Mace and Dragados will build
the new Euston terminus, while
Balfour Beatty/Vinci joint venture
will deliver Old Oak Common.
Developer Palace Capital
has appointed Caddick
Construction as its main
contractor for the £35M Hudson
Quarter mixed-use scheme in
York city centre. The two-acre
development on the site of
the former Hudson House,
opposite York railway station,
will be transformed into a
new community featuring 127
apartments, 3,200m2 of Grade-A
office space, 460m2 of other
commercial uses and car parking
located in four buildings around
a landscaped garden.
BCSA updates welding publication
Steel complete at Warrington Time Square
More than 3,000t of structural steelwork,
amounting to 6,500 individual pieces,
has been erected by James Killelea at the
Warrington Time Square project.
The mixed-use scheme is set to
transform a large part of Warrington town
centre when it opens in early 2020.
The project includes a 13-screen cinema
complex with ground floor and mezzanine
retail outlets, a new indoor market hall,
a four-storey council office block and a
further two-storey retail building.
The new buildings will all be set around
a large public square, while along the
adjacent Bridge Street, the scheme’s Market
Hall incorporates a Grade II listed former
Frames up for major South West logistics park
Five steel industrial units have been erected
by Billington Structures for the first phase
of a multi-million pound business park in
Avonmouth.
Located on a site known as More +
Central Park, the project is a joint venture
speculative development by Richardson
Barberry, with Vinci as main contractor.
The five portal-framed structures vary
in size, the largest measuring 76.5m-long
× 64.2m-wide and formed by a series of
38.25m-long rafters arranged in pairs
with a bolted splice connecting to a central
ridge beam. The smallest is a 45m-long ×
25m-wide single bay portal-framed structure.
All of the five units feature internal
mezzanine floors and offices incorporated
within their footprints. Billington has
designed, fabricated and erected more than
580t of steel for the project.
Central Park already boasts several
major occupiers including The Range, DHL,
Amazon, Lidl, Farmfoods, Davies Turner
and CHEP.
Barberry Development Director, Jonathan
Robinson said: “This is a significant
development of industrial/warehouse space
that will create the size of warehouses and
business units that local, regional and
national occupiers have indicated are in
short supply”.
“It will also complement the larger
buildings at Central Park. The scheme will
bring around 700 new jobs to Bristol and
provide a boost in jobs for the construction
sector.”
Boots building façade.
Main contractor Vinci Construction
started on site in September 2017, after
a major demolition phase had been
completed. The company remediated the
entire site’s footprint prior to the steelwork
package starting.
According to Vinci, the project team
chose a steel framing solution for the whole
scheme because of the material’s speed and
ease of construction.
The cinema block has a complex design
that incorporates two distinct grid patterns,
one for the retail zones and the other for
the cinema screens. A series of transfer
structures, supporting the upper levels,
allow the column positions to change.
Vinci says this structure could only have
been built using steelwork, while the office
block and market hall, both make use of
long clear spans, which is another design
aspect best suited to steel construction.
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