Fall protection for tools?
Fall protection for tools?
(OP)
Have any of you encountered or utilized a net or something similar that can provide protection from falling tools? We have an open area 30ft by 30ft between steel beams that we would like to put in place some sort of net or temporary barrier to stop the fall of up to a 70lb tool from a fall of about 50ft.






RE: Fall protection for tools?
One problem with a net would be defining the load- if you know what you're going to drop, you can work with that, but not knowing the size of the falling object, you'd just about need a solid cover.
RE: Fall protection for tools?
RE: Fall protection for tools?
TTFN

FAQ731-376: Eng-Tips.com Forum Policies
Need help writing a question or understanding a reply? forum1529: Translation Assistance for Engineers
Of course I can. I can do anything. I can do absolutely anything. I'm an expert!
There is a homework forum hosted by engineering.com: http://www.engineering.com/AskForum/aff/32.aspx
RE: Fall protection for tools?
RE: Fall protection for tools?
I can provide follow up information later but I believe the following is correct:
For 50' time of fall = 1.762 seconds at which time the velocity will be 56.745 ft/sec = 38.68 mph.
Mass = wt/g = 70/32.2 = 2.174 pounds mass
E = .5mv^ = (.5)(2.174)(56.75^2) = 3,500 ft-lbs
Set Energy = Work = Fd and solve for d. And "d" is your proposed stopping distance. If you have in mind, say, 6" = .5', then F = 7,000#...no trivial matter. If you have in mind 1"...well you do the math. Stopping distance and/or strong members are your friends. Aircraft carrier arresting gear works better for it's task then steel beams but in this case it's not the tool that's to be preserved so steel beams and/or heavy timber might be preferred.
RE: Fall protection for tools?
RE: Fall protection for tools?
Last year, a truck driver was killed by a steel tape dropped from a hi-rise. http://www.nydailynews.com/new-york/delivery-man-k...
RE: Fall protection for tools?
The fun part will be setting up a test area of netting and dropping a tool from height. I have done this with layered plexiglass panels intended for protective canopies at building entrances.
RE: Fall protection for tools?
I thought safety lanyards for tools were mandatory.
RE: Fall protection for tools?
Maine Professional and Structural Engineer. www.fepc.us
RE: Fall protection for tools?
Mike Halloran
Pembroke Pines, FL, USA
RE: Fall protection for tools?
http://www.incord.com/construction/perimeter.htm
Grabbed the first link off of Google, I'm sure there are other suppliers as well.
Maine Professional and Structural Engineer. www.fepc.us