Figure 8-31.Square self-supporting tower and base.
2. Check all of the surface areas for proper
the bolt. Maximum torque values of several different
preservation. Cover a11 of the holes and dents in
sizes and types of bolts commonly used in antenna
galvanized materials with sinc chromate or another
towers are listed in table 8-2.
acceptable preservative to prevent deterioration.
ERECTION OF GUYED TOWERS
3. When high-strength bolts are used in a tower
assembly, place a hardened steel washer under the nut
The following paragraphs present methods that
or bolt head whichever is to be turned. Care must be
have been successfully used to erect guyed towers.
exercised not to exceed the maximum torque limit of
Ihe most practical method for any particular tower
Table 8-2.Bolt Torques (foot-pounds)