Water & Wastewater Asia July/August 2022

IN THE FIELD
1 2
1 Lakeside’s SBR
was selected for
Southside
2 The Eshelman
Company is
responsible
for sourcing
most of the
equipment
3 The new facility
is scalable for
the future
Ultimately, a sequencing batch
reactor (SBR) was chosen; one that
was robust and could be easily
scaled up for future needs. A site was
identified, and after the equipment
opportunities went out to bid, an
SBR from Lakeside Equipment
Corporation was chosen from its
agent in Alabama, The Eshelman
Company.
aeration with mixers to provide
optimum mixing and aeration for
high oxygen transfer. An innovative
decanter minimises decanting
intervals while extending the
biological process time. The resultant
clear water discharges without foam
or floating scum.
LONG-LASTING AND EFFECTIVE
tanks. Initially, it would only be running
at around 150,000-175,000 gallons
per day on average, or up to 300,000
gallons per day, depending on the time
of year.
The site required a fair degree of earth
moving for it to be raised – with ample
groundwater to contend with – but
according to Schmidt Environmental
Ed Moore, president of The Eshelman
Corporation’s Schmidt, this proved
“Bringing the team together,
company, said: “For me, the choice
a straightforward challenge as the
including Aaron Schmidt at Schmidt
of CDG and such a long-lasting and
team quickly gelled together, as he
Environmental Corporation, we
effective Lakeside SBR underlines
elaborated: “Most of the equipment
started mapping out the project with
the City of Southside’s desire to
was sourced by The Eshelman
a detailed analysis so that we all
do things properly. The old lagoon
Company so being able to call upon
knew where we were; understood
system was hampering the growth
Ed Moore’s knowledge and his
what our success would look like and
and prosperity of the city, so it was
experience was a big help. Lakeside
how every move we made was in that
exciting to see Scott Trott’s forward-
were also always quick to respond to
right direction,” Trott added.
thinking design for what was going to
any questions during the 10-months of
be a very well thought out, scalable
construction.”
Designed as a cost-effective
new plant that would keep Southside
biological treatment process,
one step ahead of the rest for many
Southside constructed its first
Lakeside’s SBR benefits from a fully
years to come.”
water system when the city was
automated system that treats raw
incorporated in 1957. Now, more than
wastewater flow in a single basin
The new site was laid out so that
six decades on from its first dedicated
using time-based phases to fill, mix,
capacity, which might hit a peak flow
wastewater treatment plant, CDG
aerate, settle, decant and waste
of one million gallons per day, could
through Trott’s design, took care not
sludge. It incorporates diffused
easily be doubled by building new
to overbuild the new facility, putting
28 WATER & WASTEWATER ASIA | JULY/AUGUST 2022