Scaffolding

A. Scaffolding  :-

Scaffolding means a temporary structure on the otside of a building .It is made of wooden planks and metal poles, used by workmen while Building,Repairing,or Cleaning the building.

B.  Types of Scaffolding : -

1.Independent Scaffolding
2.Connecting Scaffolding / single pole
3.Mild steel , Tubular /Structural Scaffolding
4.suspended Scaffolding

1.Independent Scaffolding:

An Independent Scaffolding
Consists of a double row of standards with each row parallel to the building. The inner row is set as close to the building as is practicable. The distance between the lines of standards should be minimum necessary to  accommodate the required number of boards and toe boards.

2.Connecting Scaffolding / single pole : -

A platform resting on putlogs or crossbeams supported on leader beams and post on the outer side and by the wall on the inner side.

3.Mild steel , Tubular /Structural Scaffolding :-

Scaffolding manufactured from galvanized steel or aluminium tube and connected by clamps.

4.Suspended Scaffolding :-

Suspended Scaffolds are platforms suspended by ropes or other non rigid means from an overhead structure .

C.  Uses of scaffolding :-

1.It is used for the support or protection of persons carrying out construction work.
2. It is used for the support of materials used in connection with any such work.

D.  Material should be used for scaffolding :-

Scaffolding made of timber,steel tubes,aluminium tubes or prefabricated frames.

E.  Associated hazards :-

Use of unsuitable or faulty material,Inadequate supported scaffolding board,Inadequate or Irregular ladder slip,over head electric lines etc.

F.  General safety requirements  :-

1.The use of barrels , boxes , loose tile blocks or other unsuitable objects as supports for working platforms shall not be permitted.
2.Grease,mud,paint gravel or plaster or any such hazardous substances shall be removed from scaffolds immediately.
3.Man shall not be allowed to work from scaffolds during storms or high winds.
4.Care shall be taken to see that no un-insulated electric wire exits within 3m of the working platform of the scaffold.
5.There is no opening in any working platform except from allowing access to such working platform.

G. Inspection of scaffolds :-

1.It has been inspected during the previous 7 days by a competent person.
2.It has been inspected after a rough weather conditions likely to have affected its strength or stability or to have displaced any part .
3.The details of each inspection are recorded .records are not required for scaffolds under 2m in heigt or for ladder or trestle scaffolds.