c 7 crane personal platform
TRANSCRIPT
-
7/23/2019 C 7 Crane Personal Platform
1/10
Suspended Personnel Platforms
-
7/23/2019 C 7 Crane Personal Platform
2/10
-
7/23/2019 C 7 Crane Personal Platform
3/10
Personnel baskets (Personnelplatforms)
Rule #1- May only be usedwhen there is NO OTHER safe
means of performing the work!Personnel baskets are the tool
of last resort.
-
7/23/2019 C 7 Crane Personal Platform
4/10
Personnel basket crane specs
1. Brakes set, level within 1% of grade
2. De-rate machine capacity 50%
3. Load line safety factor 7 times the
maximum intended loads, except thatwhere rotation resistant rope is used - 10times.
4. Telescoping boom length indicator5.Anti-two blocking device, to prevent
contact between the load block or aver-haul ball and the boom ti .
-
7/23/2019 C 7 Crane Personal Platform
5/10
Cranes and Derricks - 1926.550
Suspended Personnel Platforms Design
Support 5 times intended load
Guardrail, enclosed from mid-rail to toe-board, grab rail installed inside
Hard hats and overhead protection
Welding by qualified welder
Weight of platform and rated capacitymarked
-
7/23/2019 C 7 Crane Personal Platform
6/10
Suspended Personnel Platforms - 1926.550
Master link or shackle for bridle legs
Eyes fabricated with thimbles
Rigging used only for personnel basket
Basket landed or secured before entryEmployees tied off to basket
The platform and rigging shall be proof
tested to 125 percent of the platformsrated capacity by holding it in asuspended position for 5 minutes with the
test load evenly distributed on thelatform.
-
7/23/2019 C 7 Crane Personal Platform
7/10
-
7/23/2019 C 7 Crane Personal Platform
8/10
-
7/23/2019 C 7 Crane Personal Platform
9/10
-
7/23/2019 C 7 Crane Personal Platform
10/10