Glossary of Terms


Glossary vocabulary

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R

RAIL SCAFFOLD

A combination of scaffold systems and components used to suspend a work platform under structures, primarily bridges. The scaffold attaches in various configurations to the bridge’s guardrails, facia girders, beams or parapets. It includes a systems of rollers which allow the entire work platform to be moved along under the lower portion of the bridge.

 

Entry link: RAIL SCAFFOLD

RAKER - See Brace, Knee.

BRACE - KNEE (SPUR, RAKER) - A vertical diagonal load bearing member

Entry link: RAKER - See Brace, Knee.

RAZORBACK

A scaffold horse with a ledger constructed on edge used to support platforms. Not used alone for support of workers.

Entry link: RAZORBACK

RED TAG

A red tag on a scaffold means you can not use the scaffold.  A scaffold may be red tagged when under construction, modification or during dismanltling.  It may be red tagged if missing compontents or access is denied.

Entry link: RED TAG

REEF KNOT

SQUARE KNOT - A knot used for connecting two ropes together. Also called a Reef Knot.

Entry link: REEF KNOT

RESHORING

A system used during the construction process where the original shoring is partially removed and/or replaced in a planned sequence to avoid any damage to partially cured concrete, and to aid in the support of additional construction.

Entry link: RESHORING

REVEAL

The side of an opening in a wall for a window or door.

Entry link: REVEAL

REVEAL TIE

A tube fixed by means of a threaded fitting or by wedging between two opposing surfaces of a structure, e.g. between two window reveals, to form an anchor to which the scaffold may be tied.

Entry link: REVEAL TIE

RIDGE HOOK

An attachment for a single or extension ladder which allows the top of the ladder to engage the ridge of a roof for support.

Entry link: RIDGE HOOK

RIGHT ANGLE CLAMP

A device used in tube and coupler scaffolds to fasten two tubes at right angles.

Entry link: RIGHT ANGLE CLAMP


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