2-4-7
There are ? Major types of wooden pole, transmission structures, in use.
4
Before another section is added to a tower ? Of all bolting must be finished.
50%
In steel tower construction the topmost structure is called the ground wire peak go ahead or ?
Bonnet
A tower section must be returned to the ? if repairs cannot be made in the field or locally
Fabricator
A good way to secure a tagline when landing a section of tower is to wrap it several times around the waist
False
There are no pre-drilled holes on a steel tower for signs. They must be placed at any location as long as they face up the line
False
Tower pieces with small areas of abrasion must be returned to the manufacture to be put through the galvanizing process
False
Towers are normally received at the assembly point partially assembled
False
When, placing a section of tower by crane the foreman on the ground is the only person allowed to signal the operator
False
Two types of two pole transmission structures are the twin pole Gulfport, and the ?
H-Frame
Normally, once final inspection is performed, the erection crew moves onto the next tower, and ? Are installed
Insulators
Towers are permanently numbered by the ?
Manufacturer
The most difficult part of building a new transmission line is acquiring ?
Right a way
The use of gin poles in tower erection has largely disappeared because of the use of mobile cranes, and ?
Sky crane helicopters
Socket wrenches, and ? Wrenches are normally the only wrench types allowed in steel tower construction
Spud
When a helicopter is building a tower in sections ? Or installed on each section so it can be landed without having to put workers on the tower
Temporary brackets
When setting steel Ladys towers by helicopter, it is best not to have workers on the tower
True
If small pieces need to be cut off a tower, that cuts must be painted with a primer coat of ? And two coats of aluminum paint.
Zinc chromium
Tower steel is protected by a __?__.
dip galvanizing process
When landing a section or tower, __?__ is countered with __?__.
twisting / tag lines