Unit 2 Flashcards
Why would plumb lines need to be pulled?
When the survey indicates that the hoistway is out of plumb
How many workers are permitted to tie off to a single life line?
One
What is the main reason for surveying the hoistway prior to rail installation?
To ensure elevator will fit
What drawing should be used to reference dimensions with the general contractor
Final layout
Determine the dimensions of the clear hoistway on diagram provided?
6’7” x 7’4”
What must be installed in the hoistway to protect workers from falling debris?
Overhead protection
What would be considered adequate overhead protection?
Fully screen hoistway openings and holes
What are most elevator hoistway components measured from when installing in the hoistway?
Main guide rail location
What is the minimum number of plumb lines required to take hoistway measurements?
2
What reference point must be used when installing hoistway door frames?
Building grid lines
