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Arb line vs EN1891A vs Abseil Rope vs Marine Line


crotchgrabber
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Cost has a lot to do with production volume, or whatever you want to call it. Rope access workers will go through a lot more rope than arbs, say 2-3 years for an arb rope, a couple of dirty jobs or even just the one job with rope access work therefore more demand higher production runs and cheaper costs. Then there is the splicing that a lot of arb ropes have £20-£25 for a splice which easily ramps up the cost. So less people in the arb industry replacing their ropes less frequently drives up the price. At £130 for a decent rope that can last three years really isnt that bad TBH. Apparently coloured rope does cost more than you think which again bumps up the price as most arbs prefer coloured rope as its more visible in the environment they work in. 

 

Another thing I forgot to mention is a lot of rope access rope comes on 50,100,200M reels, arb rope cut and bagged and tagged into 35 or 45M lengths which costs more to do. 

 

Although you can use rope access rope for tree work it isnt the nicest to use with friction hitches or arb mechanical devices.

 

I used nylon three strand when I started 25 years ago, very cheap and very horrible compared to today's ropes.

 

 

 

 

 

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On 02/07/2020 at 03:28, crotchgrabber said:

 

 

Ironically a lot of these "working at height" type jobs would probably be better suited to dynamic rope. Those at risk of falling have to use a fall arrest/shock absorbing device , where with a dynamic rope they wouldnt need to.

Using the stretch in a climbing line to limit forces only works if you have a lot of rope in the system, something like a snake anchor limits the force regardless of rope length or type.

 

Have you ever tried trying to hold a work position on a long stretchy line ? ?

Edited by Canal Navvy
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On 02/07/2020 at 21:37, Canal Navvy said:

Using the stretch in a climbing line to limit forces only works if you have a lot of rope in the system, something like a snake anchor limits the force regardless of rope length or type.

 

Have you ever tried trying to hold a work position on a long stretchy line ? ?

Indeed.

Using a dynamic rope for tree work or rope access would be very tiresome to say the least!

 

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