Re: [TowerTalk] Re: Tower Safety Equipment

["Alan NV8A (ex. AB2OS)" <nv8a@att.net>]

Supposing that what is described as "wire rope" is actually "aircraft 
cable"? Does that support higher loads?

Alan NV8A


On 01/03/05 06:46 pm Phil Camera tossed the following ingredients into 
the ever-growing pot of cybersoup:

> And, if I may make my regularly scheduled transmission of safety 
> information concerning fall protection.
> One poster mentioned that he only used a rope lanyard rather than a 
> shock absorbing lanyard, which is to be attached to the D Ring on the 
> back of your full body harness.  When the average 300 lb. individual 
> falls, if the fall is abruptly stopped like when using a non shock 
> absorbing lanyard, the force exerted on the body and harness is about 
> 5000 lbs.  That's enough to tear you up.  Using a shock absorbing 
> lanyard, the forces are mitigated down to about 500 lbs.  When that is 
> applied to a properly fitting full body harness, those loads are 
> transferred to the strongest bones in the body, your hips.
>
> The poster from below mentions the safety cable, which is a good idea 
> except it must also be designed properly.  OSHA dictates that all fall 
> protection attachment points be capable of withstanding a 5000 lb. 
> load.  3/8 wire rope has a working load limit of less than 3000 lbs.  
> Also, the attachment up top must be very robust.  Inquiring minds may 
> want to know.  Be safe, Phil  KB9CRY

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