steep-slope and low-slope roofing. A steep-slope roof is one with a slope greater than 4-in-12. A low-slope roof is one with a slope less than or equal to 4-in-12.

OSHA requires that some type of fall protection be used whenever there is a level-to-level distance of 6 feet or more.

 WARNING LINES
The warning lines system can be used to provide fall protection on roofs with slopes of 4-in-12 or less. The warning line system  must be erected on all open sides of the work area and consist of stanchion posts with flagged wire, rope, or chain

When mechanical equipment is not being used, the warning line must be erected at least 6 feet from the roof edge.

If mechanical equipment is being used, the warning line must be erected at least 6 feet from roof edge parallel to the direction  of travel el and at least 10 feet from the roof edge perpendicular to the direction of travel.

The safety monitoring system is a fall protection system where a competent person monitors workers and warns when they are working in an unsafe manner or appear to be unaware of fall hazards. This system can be used as an exclusive fall protection system on roofs 50 feet or less in width. It can also be used in conjunction with a warning line system , when crew workers are working outside of the warning line. . Mechanical equipment can not be used when using the safety monitoring system.

The requirements for a guardrail system are the same for low-slope and steep-slope roofs, a toe board must be added.

Guardrails must be used at all material handling areas, such as hoists trash, chutes, crane landing areas, and bitumen outlet pipe

Parapets must be at least 39" high before guardrails are not required.

A personal fall arrest system basically consists of a full body harness, a lanyard, a safety line, and an anchorage point as shown below

Ladder Safety
The ladder base should be 1 foot away from the building for every four feet in eve height and must be tied off
Kettle Safety
The propane tanks should be in a upright position at last 10 feet from the kettle.

the kettle should be on level ground with the tongue leveled and wheels blocked.

A warning line should be set up around the kettle area to keep people away.

Never light the kettle with a disposable lighter or matches use a spark lighter.

Increase kettle temperature and add bitumen slowly. never allow kettle tubs to be exposed. this can result in fire or explosion.

Luggers

Always make sure there in no water or moisture in the lugger. keep the filler neck covered when not in use.

Never fill a map bucket more than three quarters full. Anything over this limit is easy to splash or spill.

Always chock the wheels or set the brakes while filling the lugger.

Operator must wear appropriate PPE.

Proper Lifting Techniques

The best method of preventing back injuries is to learn to lift properly and to get help with heavy loads. a few common sense tips can help you avoid back strain.

Application of torch

When applying torch-applied modified bitumen membranes, be aware of the fire danger. Because of the amount of heat used for application, there is a grater fire hazard than in most other types of operations.

A supervisor should always conduct a fire watch for at least an hour after the last torch has been turned off. the supervisor should be looking for hot spots in the area that had been worked on that day. It is also a good idea to check the inside of the building for early warning signs of fire.