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
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