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Re: [TowerTalk] torque tightening querry

To: Naveed at Hotmail <conficious80@hotmail.com>
Subject: Re: [TowerTalk] torque tightening querry
From: DXAlert <DXALERT@cox.net>
Date: Fri, 26 May 2006 08:01:06 -0400
List-post: <mailto:towertalk@contesting.com>
Naveed,

What is the average humidity in this area as well as the average solar 
flux on Friday evenings at 2133Z?

J

Naveed at Hotmail wrote:

>What should be torque tightening for the bolts 0f 20mm and 16mm ASTM A36 , ISO 
>GRADE 5.8 bolts , of a lattice structure which is 60m high and has to resist a 
>wind speed of 150kph , lying in seismic zone IV , dead load in addition to 
>self weight is the feeder cables and ladder  wieghing 0.22kn/m , 8 antenas 
>weighing 23kg each, 4 microwaves wieghing 12kg each, having maximum allowable 
>twist and tilt to be +-0.45 deg.Can you please tell me the source atleast.  ?
>
>
>
>Regards
>NAVEED IRSHAD
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