Roofing Safety: General Requirements
Construction safety Orders 1724 and 1730 were written
to prevent accidents involving falls from roofs during
roofing operations. Such falls are the cause of many serious
injuries in the roofing industry.
This topic covers Section 1724, General Requirements.
Section 1730, Roofing Hazards, is covered in another
Start by reminding all roofers that they must be protected
from falls on roofs over 20 feet high by fall arrest systems,
roof jacks, guardrails, catch platforms, or other means.
Review the summary of Section 1724 with the employees.
Stop from time to time for their questions.
After you complete the summary, have the employees take
a quick look around the worksite to see whether the
requirements of the safety order are actually being met.
When they have completed their inspection, create a
discussion by using the following question as a guide.
During your inspection, what safety problems did you
♦ Did you find hazards not covered by the safety
♦ How can these hazards be eliminated?
♦ What conditions cause the most falls in roofing:
♦ Carelessness by workers?
♦ Unsafe working conditions?
♦ Hazardous weather conditions?
Summary of Safety Order 1724
Crawling Boards, Chicken Ladders:
Make crawling boards at least 10 inches wide and
1 inch thick.
Nail on cleats (at least 1 inch x 1 ½ inch material)
spaced no more than 24 inches, nails driven
through and bent over underneath.
Whenever possible, extend crawling boards from
the ridgepole to the eaves.
Install firmly fastened handholds made of ¾ inch
Manila rope for each crawling board.
Extend them at least 2 feet beyond the projection
of the eaves.
Provide them with 42-inch railings and 4-inch
Make sure they are fully planked.
High-lift Material trucks:
Use standard railings and toeboards on the open
sides of the platform, when it is used as a work