Albums: WA7DUH And WB7CNV Tower Construction
WA7DUH And WB7CNV Tower Construction
Photo essay of tower project at the station of Linda WB7CNV and Steve WA7DUH. They live just outside of the Richland and West Richland city limits in Benton County. Project is to initially erect a 65 ft guyed tower, but to design it for 75 ft or higher. Benton County has an ordinance controlling "communications facilities" (BCC 11.65) which includes "communication towers and antennas." Many of the requirements are exempted for amateur radio towers and antennas not exceeding 65 ft.P1020428.JPG
It's 104 today, so sweat band and wet neck towell in use!
P1010686 (Custom).JPG
Prior to tower project, 44 ft fiberglass poles hold up a G5RV non-resonant dipole at the WB7CNV/WA7DUH residence.
P1020395.JPG
Rebar grid construction for tower base.
P1020412.JPG
Holes for guy station anchors are 6ft long,4 ft wide and 4 ft deep. Concrete blocks are used to hold the rebar cage up off the bottom 6 inches so they are embedded in concrete when poured. Painted lines indicate the level of concrete when poured.
P1020425.JPG
This cart has a dump function, which really helps unloading!
P1020398.JPG
Linda WB7CNV cut about 450 tie wires for the tower base and 3 guy station rebar cages.
P1020420.JPG
The break wasn't so bad. The mess was created when the sprinkler controller decided to turn the water on, washed out the far bank and filled the hole. Duhhhh.
P1020422.JPG
Trying to fix a cave in. Sandy soil.
bentonCoHamExemption.jpg
Benton County exemption from Benton County Code (BCC) 11.65 Communications Facilities that is really aimed at commercial installations such as TV/Radio stations or cell towers. However, this exemption did not remove the requirement for a building permit, structural analysis and original drawings with original (not copy) signature/stamp of Wash. State licensed Professional Engineer. Tower manufacturer's analysis and drawings were not acceptable (not original or Wash. licensed).
Also, county building dept. wanted to impose most of the requirements of BCC 11.65 anyway "for your and neighbor's protection". We battled several issues.
P1020419.JPG
Yikes-- hit the sprinkler pipes. Anyone know a good way to find these sub-surface?