Part 3 - Scaffolding Terminologies
Concrete Pump Car Pictorial Safety Checklist
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).
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.
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.
Safety Measures for Electrical Room
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