The following steps illustrate the installation process.

Step 1—Helical piles are measured and installed for this 8-foot by
16-foot viewing/fishing platform. Typical depth after
installation (depending on soil resistance) is 7 to 18 feet.
Additional bolt-on shaft extensions come in 3-, 5-,
and 7-foot lengths.

Step 2—The torque applied to install the helical piles is closely monitored
and converted through calibration to pounds-per-square-
foot load that determines the installation depth.

Step 3—Helical piles can be installed vertically or at an angle. Angled
installations are especially useful when cross-bracing
for lateral support.

Step 4—Saddle brackets are bolted to helical piles to support the
header beam, forming a bent. In this case, the timbers are
alkaline copper quaternary (ACQ)-treated
southern yellow pine.

Step 5—The structure is cantilevered 2 feet over the helical piles to
allow water to drain off the boardwalk while avoiding the
exterior beams. This also allows better access for fishing.

Step 6—Simpson Strong-Tie metal components are used to tie
down the joists to the header beam.

Step 7—The nonelevated end of the structure is secured to a
partially embedded plastic curb sill.

Step 8—The viewing/fishing platform support system.

Step 9—The front handrail is sloped to allow the legs and front wheels
of a wheelchair to be positioned slightly underneath the top rail.
The handrail height is 34 inches. Welded wire mesh is installed
to discourage alligators from using the platform, to provide
better views of the canal channel scenery, and to prevent
small children from falling in the water.

-Continued-