15
A
B
C
D
16.
17.
Large differences in the
ground level
16.
Where there are large
differences in the level of the
ground, compensate for these
by using RA 500 or RA 1000
frames and ULB 700 ground
level transoms.
A RA 2000 frame erected on
base jacks in the usual way.
B Base transom fitted to base
jacks as support for decking.
C RA 500 frame erected on
base jacks in the usual way.
D RA 1000 frame erected on
base jacks in the usual way.
If guardrail frames cannot be
erected between the base
frames, i.e. between C and D,
SR 48 scaffold tubes are fitted
between the outer standards
using swivel couplers.
Pavement frames
17.
Pavement frames are
erected on base jacks. Guard-
rail frames are hooked into
the pockets of the pavement
frames both on the inside and
outside of the scaffolding.
In scaffolding with pavement
frames, the lowest wall tie must
be fitted to the first frame of the
main scaffolding at a height
not exceeding 4.6 m above the
ground.
The pavement frames have
2 fixed and 2 adjustable
spigots, which allow some
flexibility when erecting the
frames above.
ERECTION
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