One of the many challenges and opportunities in today’s
market is to make use of infill properties and reuse of existing structures.
These kinds of projects, with many challenges including soil challenges and
unknowns of existing buried infrastructure. Many times the structures are
located in close proximity to functioning footings of existing structures that
preclude either disturbing by digging below or overburdening by putting footings
on top.
We have been a key player developing cost-effective
strategies and solutions for dealing with these challenges in making it
possible for these Brownfield developments to take place. Helical piles and
micro piles can provide gravity and uplift solutions for support of new or
existing structures without disturbing footings in close proximity. In addition
to that these piles can be installed with little or no spoils making it ideal
for sites that have contaminated soils.
We have worked on many of these sites in the past. Some of
which we have won awards for. One of which is the Franklin high school on
McDowell and 17th Ave. where we installed new piles on an existing
abandoned structure with contaminated soils.
Another such project we are currently working on has
automobile fluff buried on-site with contaminants in it as well as the soil.
Because of these challenges the team has elected to minimize any haul off of
excavated soils. As a result helical piles were selected to support the new
building structure. An additional challenge of this particular site was the
lack of any soil information to design the pile system as well as large
variability of the conditions that included voids and impenetrable solids.
Our design team after conducting several tests on-site
developed a unique technology of helical piles that are continuously grouted
while they are installed. It is highly unlikely that this site could ever been
developed without that technology.
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