How to manage temporary works in construction - Book - Page 88
4.1 The temporary works design brief
Principal Designer
Principal Contractor
Liaise
TWC
BS 5975-1:2024 clause 5.1.3.3
and 10.2.4.1(d)(e) states that
the PC’s TWC should define
interfaces between contractors
works to ensure no adverse
effects on each other’s works,
both permanent and temporary
works.
Site team prepares design brief,
including plate bearing test data
of existing ground for scaffolding
foundation based on compliance
sheet data and, following review,
issues to groundworks contractor
to provide a suitable solution
Site team prepares design brief
for general purpose scaffolding
for 4-storey office block and,
following review, issues to
scaffolding contractor to provide
a suitable solution
Reviewed by PC’s TWC and
issued to groundworks
contractor TWC
Reviewed by PC’s TWC
and issued to scaffolding
contractor TWC
Managing Contractor
Managing Contractor
TWC
TWC
[Groundworks]
[Scaffolding]
[RC Frame]
Carries out plate bearing test, if
instructed, to determine safe
bearing capacity of existing
ground. Provides suitable
independantly checked solution
for scaffolding foundation based
on design brief data and issues
to PC's TWC
Scaffolding contractor provides a
suitable independantly checked
TG20 compliant solution and
issues compliance sheet to PC's
TWC
Provides assistance to PC's TWC,
Lead TWD and scaffolding
contractor's TWC and TWD
BS 5975-1:2024 clause 7.5(b)
also states that the Principal
Designer should verify the
temporary
works
do
not
adversely affect permanent
works.
Managing Contractor
TWC
Liaise
Consider this:
1. Who
Independently checked
by scaffolding contractor
and issued to PC’s TWC
prepares
your
design briefs?
2. Who
reviews
your
design briefs?
3. Do you appoint a Lead
TWD
to
manage
design interfaces?
Scaffolding contractor consults with
RC frame contractor's PWD through
PC's TWC and issues design brief to
fixing supplier to select fixings
suitable for RC frame. Fixing
supplier provides a suitable
independantly checked solution
88
Reviewed by scaffolding
contractor TWC, with
input from RC Frame
TWC, and issued to
fixing supplier
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