We have a genie lift which will lift a condensor high enough for most 1 story buildings we have also called an electrical shop that has a bucket truck with a hoist i believe it is rated at 500 lbs.
How to safely lift men onto roof to work.
Get as close to the load as possible.
Get a good handhold and do not twist while lifting.
The niosh lifting recommendations can factor all of these reductions together and determine a weight that most people should be able to lift when performing a job the way it is normally performed.
I am using a lift to get on and off the roof.
Try to keep your elbows and arms close to your body.
The job done safely employers need to develop a plan and ensure the proper equipment material and appropriately trained workers are available.
Low slope roof 4 12 slope or less 29 cfr 1926 501 b 10.
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This enables operators to exit the platform to perform work on structures as long as the pitch is no greater than 4 12 18 while using the boom platform as a tie off anchor.
You need someone to steady the ladder and if you do slip help you down or call for assistance.
A typical recommended weight limit for a task where employees must repeatedly lift loads and place them to low locations where torso twisting may be.
For this application the platform must be positioned a minimum of 4 ft 1 2 m from the leading edge of the structure.
Hire a professional to do the job if the roof is steep over 35 degrees.
It makes it quick getting up and down also.
Keep your back straight during the lift by tightening the stomach muscles bending at the knees keeping the load close and centered in front of you and looking up and ahead.
Know the pitch of the roof and follow the appropriate standard.