I have an existing water tank 144" diam with bracing spaced every 24". Using UL 142 13.3.3 and table 13.2 as a reference this tank would only need 1 brace 6" below the center of the head. Was the bracing on the head of the water tank overdesigned or am I reading Ul 142 wrong?
Hello,
I am using National Building Code (Canada) 1995 detailed procedure to determine the wind load on an antenna. However, I need to find the fundamental natural frequency of the antenna and have no clue. The antenna is a circular aluminum antenna 17ft long.