January/February 2023 - 23
PROJECTS OF THE YEAR ENVIRONMENTAL
maintenance activities can
focus efforts in one location
and areas that would otherwise
be occupied by smaller detention
ponds can be developed
with airport infrastructure.
Dave Butler of Precision
Approach Engineering, Inc.
said the system works like this:
A flume fills with water, overtops
and filters down through
four filtration basins that are
each about 100 feet long, 15
feet wide. Next, a manifold
system underneath conveys the
water to a storm drain system
of about 1,000 feet that runs it
down to a detention area that
in most years would not see
water. This area is designed for
a 25-year event (3.25 inches of
water in 24 hours). When the
detention area backs up, it's
designed to empty within 48
hours. To help the stormwater
drain out within 48 hours of a 25-year
event, Josh Lekkerkerker, PE, Precision
Approach Engineering, said there's a
concrete valley gutter along the floor
of the pond. Interior pond walls are
lined with crushed aggregate or large
riprap-type rock to deter waterfowl.
After a 2-year storm, local code
states the stormwater facility should
be designed to treat 1 inch of rainfall in
a 24-hour period, however this project
treats 1.17 inches in a 24-hour period.
Traditionally stormwater treatment
is achieved by slow-flowing runoff
through surface vegetation, but this
results in a large footprint of standing
water that tends to attract wildlife.
The MFR project includes newer
stormwater treatment materials from
Oldcastle Infrastructure. The BioPod
Boxless Biofiltration System incorporates
a high-flow media, which
allowed project engineers to design
a system to filtrate high flows of
runoff underground.
Secondly, by implementing
StormMix Media, the runoff is treated
through a vertical column of media,
collected in an underground network
of pipes and discharges directly to
This photo shows the stormwater flume and Biopod Boxless Biofiltration System.
PRECISION APPROACH ENGINEERING
JANUARY/FEBRUARY 2023 \ AVIATIONPROS.COM / 23
This photo shows the biofiltration
system outlet point and detention
pond inlet control structures.
PRECISION APPROACH ENGINEERING
the airport outfall point. The
capacity of this system gets a
high volume of water off the
surface, filters it and gets it back
to the stream in a controlled
flow. StormMix removes a
variety of compounds from
stormwater runoff: pollutants,
suspended solids, dissolved
metals, nutrients, gross solids,
trash/debris and petroleum
hydrocarbons that accumulate
on paved surfaces.
Filtered water from Basin 4
outlets via a drainage ditch into Upton
Creek at the north end of the airport.
After approximately 6 miles, Upton
Creek connects to the Rogue River.
This photo shows the detention pond outlet
control structure, valley gutter and riprap
armored embankment.
PRECISION APPROACH ENGINEERING
http://www.AVIATIONPROS.COM
January/February 2023
Table of Contents for the Digital Edition of January/February 2023
Inside the Fence
Airports Make Capacity a Top Issue in 2023
Airport Business 2023 Projects of the Year
Equipment Matters
Integrated Sink Puts Hand Hygiene Entirely within Reach
What to Expect for Kansas City International Airport’s New Terminal
Built for Success
Project of the Month: Collaboration Key to JAC’s Improved Water Collection Process
Airport Guru
Legal Matters
After the Emergency: What’s Next?
January/February 2023 - 1
January/February 2023 - 2
January/February 2023 - 3
January/February 2023 - 4
January/February 2023 - Inside the Fence
January/February 2023 - 6
January/February 2023 - 7
January/February 2023 - Airports Make Capacity a Top Issue in 2023
January/February 2023 - 9
January/February 2023 - Airport Business 2023 Projects of the Year
January/February 2023 - 11
January/February 2023 - 12
January/February 2023 - 13
January/February 2023 - 14
January/February 2023 - 15
January/February 2023 - 16
January/February 2023 - 17
January/February 2023 - 18
January/February 2023 - 19
January/February 2023 - 20
January/February 2023 - 21
January/February 2023 - 22
January/February 2023 - 23
January/February 2023 - Equipment Matters
January/February 2023 - 25
January/February 2023 - Integrated Sink Puts Hand Hygiene Entirely within Reach
January/February 2023 - 27
January/February 2023 - What to Expect for Kansas City International Airport’s New Terminal
January/February 2023 - 29
January/February 2023 - 30
January/February 2023 - 31
January/February 2023 - Built for Success
January/February 2023 - 33
January/February 2023 - Project of the Month: Collaboration Key to JAC’s Improved Water Collection Process
January/February 2023 - 35
January/February 2023 - 36
January/February 2023 - Airport Guru
January/February 2023 - 38
January/February 2023 - Legal Matters
January/February 2023 - 40
January/February 2023 - After the Emergency: What’s Next?
January/February 2023 - 42
January/February 2023 - 43
January/February 2023 - 44
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