CODE OF PRACTICE FOR METAL SCAFFOLDING SAFETY

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CODE OF PRACTICE FOR METAL SCAFFOLDING SAFETY
(ii) Joints in ledgers should be made with sleeve couplers or
expanding joint pins. Joints in ledgers on the same lift and in
adjacent lifts should not normally occur in the same bay.
(iii) When guard-rails are to remain permanently in place, the
absence of a joint in the guard-rail in any bay may be accepted
as giving sufficient continuity to the scaffold to permit joints in the
ledgers above and below it in the same bay.
(iv) Where joints are required, they should be positioned at a
distance not greater than 1/3 of the span between adjacent
standards.
(v) In the case of curved scaffolds, fittings other than right angle
couplers may be used to join the ledgers to the standards
provided that they are of adequate strength or otherwise
supplemented by a right angle check coupler. Besides, for large
radius curves, separate scaffolds with platforms of the same height
may be used.
(c) Transoms/putlogs
(i) The length of transoms/putlogs should vary according to the
intended use of the scaffold.
(ii) Transoms should be extended inwards and outwards for
the purpose of butting the face of the building and fixing the
longitudinal bracing.
(iii) Transoms should be fixed to the inside and outside ledgers with right
angle or putlog couplers.