[SML] Was Torqueing truss, Now Grounding Truss

[Dale Farmer]

I expect that the truss manufacturers specify the washers and bolts, and 
not using them would at least void any warranty, let alone what that 
would do to legal liability after an accident.

Dale

On 3/23/2024 10:16 PM, Joe Golden via Stagecraft wrote:
> Not to totally hijack Joel's query about torqueing truss, but I was 
> recently asked about adding "dragontooth" washers to truss bolts to 
> ensure that there was a "proper" ground path for ground supported 
> structures. This also doesn't bring into play the dissimilar metals and 
> needing to use NolOx or something similar at each bolt.
> 
>   I checked ANSI E1.21 and the only mention of grounding was to clean 
> the tube with steel wool before applying the ground clamp.
> 
> Does anyone have any other citations not to use these washers. I am 
> against it do to excessive wear of the bolt plates.
> Joe Golden
> 
> 
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