Installation - Some photos of an HD-80 Tower being installed in North Texas.

City of Lewisville - Lewisville, TX

This quality installation job was sold and installed by Array Solutions.


This is somewhat of a milestone for AN Wireless Tower Co., as our model HD-80
Self Supporting Tower was chosen to be placed into service as a support structure
for the nations first fiber optic laser point-to-point communications system for the
City of Lewisville, Texas, spanning a distance of approximately 9/10 mile. This tower
will initially serve as a relay tower between two Governmental buildings, providing
laser communications across Interstate 35.

I personally visited this tower site, and contributed in the assembly of this tower
on-site in June 2003. Jay Terleski of Array Solutions, Paul Blumhardt of Rotator
Exchange and myself worked to prepare this tower for installation. It's not often
that I have the chance to actually help assemble our towers on-site, but it's
something I greatly enjoy doing when the opportunity presents itself.
 
 

The 3 of us had these tower sections bolted together in a matter of 3 hours. We
decided to make a trip to the local Home Depot to purchase these cinder blocks to
support each section off the ground, as this allows easy access to the section
bolts on each face of the tower.

This tower was assembled directly underneath the Lewisville water tower, and
will be crane-lifted over the fence where the foundation is located just 15' away.
 
 

We all took water breaks, and I kept the camera handy to get a few photos of
the progress we were making.
 
 

This is the 80' level of the tower, where a custom (but simple) Fiber Optic head
mount was constructed by AN Wireless to provide a means to mount the laser
equipment. This also reveals how well the tower sections align with each other.
 
 

I took this final photo for the day, showing the 48" face spread of Section 1.
 
 

A couple of weeks later, excavation work begins.

This is a slightly modified foundation. The small protrusion facing outwards from
the main foundation will be used to support an equipment shelter which will house
the electronics used in conjunction with this tower.
 
 

Trenching begins...
 
 

One of the best tools for the job - tree roots and rocks pose no issues.
 
 

Come-alongs are used in this case to totally eliminate any chance of the tower
foundation section shifting position during the concrete pour. Stakes in the ground
can serve as temporary anchor points for the come-alongs.
 
 

A few more photos of the rebar layout.
 
 

This rebar pattern represents our "Alternate Foundation Plan", which requires
less labor and general excavation time than our Pad and Pier Foundation Plan.
 
 


 
 


 
 

The three come-alongs are visible here, securing the foundation in place.
 
 

The pour can be directed down the center of the foundation section for minimal
disturbance of the foundation, as pictured here, which is an excellent practice to
follow.
 
 


 
 

Roughly 15 1/2 cu. yds. of concrete are required for this foundation, versus the
Pad and Pier design requiring about half this amount.
 
 

An excellent looking pour.
 
 

Erection day arrives, with the first item of business nearly complete in this photo.
This temperature controlled utility shelter will house the electronic gear for the
city's new fiber optic laser system.
 
 

Lifting at about the 50' point on this HD-80.
 
 

No bending of the tower is observed throughout the lift.
 
 


 
 

The tower has been lifted over the perimeter fence surrounding the water tower.
 
 

Now, several photos of bolting the tower into position on it's foundation.
 
 


 
 


 
 


 
 


 
 

Making headway...
 
 

With the splice joints fully together, the intersectional braces are next to be installed.
 
 


 
 


 
 

Nearly complete.
 
 


 
 

The tower is perfectly vertical, however the optical illusion
in this photo is substantial.
 
 

Jay Terleski of Array Solutions making the first climb on this HD-80.



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