Part 3 - Scaffolding Terminologies

 


Part 3 - Scaffolding Terminologies


Part 3 - Scaffolding Terminologies


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Scaffolding operation in any industry is considered as highly technical operations with serious hazard potential. Unless correct steps are taken, a loss prevention program at work site, it may end up with serious trouble with loss in job schedule, injury to workmen, company image and damage to property. Hence, to perform the job safely, knowledge on scaffolding , safe erection and maintenance & inspection are essential to the execution team.

 

The scaffolding is having many types like roof scaffolding, hanging scaffold, suspended scaffolding, mobile scaffold platform, rolling scaffold, aluminium scaffolding, mobile aluminium scaffold, U Jack scaffolding, portable scaffold tower etc.

 

Scaffold Terminologies

 

Outrigger : The structural members of a supported scaffold used to increase the base width of a scaffold in order to provide support for and increased stability of the scaffold.

 

Base-Supported Scaffold : A scaffold with posts (standards) supported at their base (not under hung).

 

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Birdcage Scaffold: A scaffold with more than two lines of posts (standards) or hanger tubes (if under hung) across the width of the scaffold.

 

Bracket (Tank Builder’s) Scaffold : A scaffold supported by bracket straps welded to the tank wall. Upright brackets are hooked to the straps.

 

Fabricated Tubular Frame Scaffold : A scaffold consisting of platform(s) supported on fabricated end frames with integral posts, horizontal bearers, and intermediate members.

 

Mobile Scaffold : A rigid scaffold assembly supported by casters that can be manually moved horizontally.

 

System Scaffold : A scaffold consisting of posts (standards) with fixed connection points that accept runners (ledgers), bearers (transoms), and braces that can be interconnected at predetermined levels.

 

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Tower Scaffold : A supported scaffold consisting of only four (4) posts (standards) connected together longitudinally with runners (ledgers) and bearers (transoms) at right angles to each other, forming a square or rectangular tower. A tower scaffold may be constructed of tube and coupler, fabricated tubular frame, or system scaffolding.

 

Tube and Coupler Scaffold : A scaffold constructed of steel tubing that serves as posts (standards), runners (ledgers), bearers (transoms), braces, and ties; a base supporting the posts; and specially designed scaffold couplers that serve to connect the various members.

 

Underhung (Slung or Suspended) Scaffold : A scaffold that is suspended by fixed length wire ropes (cables) or rigidly attached by scaffold tubes and load bearing couplers to an overhead structure directly above (not outrigger beams), and having a work platform that cannot be raised or lowered.

 

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