[TowerTalk] FW: FW: UST bolt Torque question

[K8RI]

On 6/25/2013 7:37 PM, Grant Saviers wrote:
> Great to have some technical specs for "snug tight".  Thanks.
>
> A hammer struck spud wrench?  I would think the spec means a typical
> tapered spud wrench about 18" long for a 1" bolt.  I'd estimate
> ironworkers I've met can (easily - no insult intended) apply 80 to 100#
> force to a wrench so torques in the 100 to 150 ft-lb range might be a
> numerical range for "snug tight".  IIRC the ironworkers that erected my
> steel building had a 250 ft-lb target for 3/4" A325 bolts, thus I
> assume  they are "slip critical" joints. (They used a big torque wrench).
>

Just don't confuse the two technically precise terms of "snug tight" and 
"hand tight" unless tightened by technically certified bolt tighteners/ 
Iron workers.

73

Roger (K8RI)