[RE-wrenches] Working on metal roofs.

[Jesse Dahl]

DT,

Yeah, we will be scaffolding off the entire eve portion of the roof, tied to the building to prevent tipping.  

Sent from my iPhone

On May 8, 2011, at 8:13 AM, Darryl Thayer <daryl_solar at yahoo.com> wrote:

> yes, be careful of hook ladders they have been reported to un hook, OSHA I believe wants tie of on any roof steeper than 4/12 if you are on a hook ladder or not.   Tie off for fall protection, the hook ladder for positioning so that you can get the work done.  I would feel better if the hook ladder were working above a work platforrm (scaffold)
> 
> From: Jesse Dahl <dahlsolar at gmail.com>
> To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
> Sent: Mon, May 9, 2011 1:21:12 AM
> Subject: Re: [RE-wrenches] Working on metal roofs.
> 
> Thanks DT!  
> 
> 
> I'm thinking chicken ladder for that upper roof work.  Have you used ladder hooks?
> 
> 
> Jesse
> Sent from my iPad!!!
> 
> On May 8, 2011, at 12:41 AM, Darryl Thayer <daryl_solar at yahoo.com> wrote:
> 
>> working on metal roofs is difficult because you have no friction, working on a 12/12 is a close to impossible as it can get.  I like to use scaffold and of course safety rail such that you are safe at the scaffold level.  Scaffold needs to be tied off or braced to prevent toppling when ou place a ladder on to it.  Even if you use a chicken ladder have a work platform underneath.  the work using harness if so difficult you use all your strength just staying there.  There are scaffold systems that are designed for latteral force check with your supplier.  I find that working off a JLG is difficult also. 
>>  
>> BTW there are at least three types of standing seam, most types can be handled using Snap-NRack hardware, but get the standing seam profile first. 
>>  
>> Remember you are to use every seam, to place clamps and use rails to tie the clamps to the modules.  I find that this is easier than the rail-less system. 
>>  
>> A ladder is not to be streched at 45 degrees.  ground to roof.  When tie off is used for fall protection remember swing fall and rescure plan. 
>>  
>> Darryl
>> 
>> From: Jesse Dahl <dahlsolar at gmail.com>
>> To: "RE-wrenches at lists.re-wrenches.org" <RE-wrenches at lists.re-wrenches.org>
>> Sent: Sat, May 7, 2011 7:21:43 PM
>> Subject: [RE-wrenches] Working on metal roofs.
>> 
>> Wrenches,
>> 
>> I will be installing multiple arrays on metal roofs at a local community college and am wondering about tying off.  Most of the work will be done off of scaffold and JLGs, but there will be times I will have to access upper portions of the roof.  I am looking at two arrays that will be installed on standing seam roofs both with a 12/12 pitch.  
>> 
>> How have people been working safely on roofs like this?
>> 
>> 
>> 
>> As always, I really appreciate all the help.
>> 
>> 
>> 
>> Jesse
>> 
>> Sent from my iPad!!!
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