Page 49 - Scaffolding Hand Book - L&T CSTI Serampore
P. 49
sockets on the Staircase Transom Unit.
Description Length (m) Weight (kg)
Ledger –O–type 0.15 1.21
Ledger –O–type 0.31 1.77
Ledger –O–type 0.65 3.12
Ledger –O–type 0.88 3.98
Ledger –O–type 1.065 4.68
Ledger –O–type 1.15 5.00
Ledger –O–type 1.57 6.36
Ledger –O–type 1.82 7.56
Ledger –O–type 2.13 8.70
Ledger –O–type 2.43 9.85
Ledger –O–type 3.05 12.17
Standards available in sizes
Ring-lock scaffolding components
Screw jack/ base jack:-
The Screw jack is used as a starting base for a scaffold.
It is
Description Length (m) Weight (kg)
Truss Ledger –O–type 1.57 10.39
Truss Ledger –O–type 1.82 14.95
Truss Ledger –O–type 2.13 17.34
Truss Ledger –O–type 2.43 20.44
Truss Ledger –O–type 3.05 21.61
adjustable in height to allow for compensation on uneven
surfaces so that a level scaffold is always attainable.
Standards available in sizes
Swivel jack:-
Participant Handbook : Scaffolding 49