ANSWERS GRADED A+
✔✔Rope grabs must be kept at the same height as the - ✔✔D-ring or higher.
✔✔Maximum lanyard length is - ✔✔6'
✔✔Fall protection is good for only - ✔✔one fall
✔✔Outriggers must be secured from all movement and tied back with material
equivalent to the - ✔✔suspension line.
✔✔Outriggers cannot extend beyond without special approval from the Department of
Buildings, which includes manufactured cut sheets or PE stamp - ✔✔6'
✔✔Shoring Header Beams must be used to - ✔✔distribute weight across scaffold
frame.
✔✔Outrigger must be kept - ✔✔level
✔✔If outrigger extends beyond
, whale back or Delta system must be used, or set up must be approved by
manufacturer or PE. - ✔✔30"
✔✔Outrigger must be - ✔✔metal or equivalent.
✔✔Distance the beam extends back onto the roof must be at least (___) the distance it
extends out from the fulcrum, but for most construction scaffolds we use at least 2
times. - ✔✔1.5 times
✔✔Window Wash davits should not be used for - ✔✔Construction Scaffolds.
✔✔C-Hooks must maintain (_________) with the parapet or cornice when they are
properly rigged. - ✔✔3 points of contact
✔✔C-Hooks and clamps should only be used on parapet that are at least - ✔✔3 wythe
of brick and have been surveyed and approved by a PE or RA.
✔✔C-Hooks must be - ✔✔load and seated prior to being used
✔✔C-Hooks to be used for electric scaffolds must have a - ✔✔solid or welded
suspension eye.
, ✔✔Hooks used for rope scaffolds are not - ✔✔interchangeable
✔✔Each tieback must be - ✔✔independent
✔✔Wire tiebacks must have - ✔✔three j-clips and a thimble
✔✔Tiebacks must be secured straight back. If they are angled a second tieback going
the opposite direction must be installed. - ✔✔Tiebacks must be secured straight back. If
they are angled a second tieback going the opposite direction must be installed.
✔✔Tiebacks must be secured to structural members of the building this includes
(_______________________________) and C-hooks should NOT be used. -
✔✔bulkheads, columns, water tanks, steel supports for HVAC units, and parapets
clamps. Skylights, vent pipes, access ladders, terracotta, decorative brickwork,
✔✔If a roof has no anchor points a tieback can be run down to ground and secured to
structural component, through - ✔✔two windows and around a building column, or
secured to 5,400 lbs of counterweight.
✔✔Who is responsible for safety of suspended Scaffolds in NYC? - ✔✔The licensed
rigger and his/her designated rigging foreman; a trained qualified person?
✔✔Minimum breaking strength of anything you use in your fall protection system? -
✔✔5000lbs
✔✔Ropes need to be protected when? - ✔✔When going over coping or parapet
When coming in contact with cornice or other buildings out cropping
when ropes cross over other ropes
✔✔How often should safety line be inspected? - ✔✔Each day it is in use
✔✔IN NYC what knot is requires to anchor all safety lines? - ✔✔bowlines
✔✔What is the minimum diameter useable for a safety line made of nylon or polyester?
- ✔✔5/8"
✔✔If modular equipment/platforms are used, what, must be kept on site? -
✔✔Manufacture specification on all equipment
✔✔What know must be used to secure a rope scaffold at the working level? -
✔✔Backhitch
✔✔T/F A knot does not change the strength of the rope? - ✔✔False