Engineering Inc - July/August 2018 - 43

GENERAL BOB PHOTOGRAPHY

MULTI PROJECT

Dubuque's Upper
Bee Branch flood
mitigation project
is recognized as a
natural resource
recovery effort.

Flood Mitigation
Enhances
Community
PROJECT: UPPER BEE BRANCH
CREEK RESTORATION
DUBUQUE, IOWA
FIRM: STRAND ASSOCIATES
MADISON, WISCONSIN

D

espite decades of devastating flash
flooding, the residents and businesses in Dubuque's Bee Branch
Watershed no longer fear the next
deluge of rain. Stormwater that frequently
overwhelmed the old sewer system in this
6.5-square-mile area in the heart of the
city now drains into an open stormwater
conveyance channel instead after the 2017
completion of the Upper Bee Branch
Creek Restoration project. Daylighting
of the buried Bee Branch Creek, which
in the early 1900s was enclosed within
a large-diameter storm sewer to accom-

modate rapid urbanization,
allows stormwater from
flash floods to move freely
Eric Vieth
through the area. In addition, the open parkland developed along
the restored Bee Branch Creek provides
welcome green space to the community.
"This was a flood mitigation project
from the start," says Eric Vieth, project
manager with Strand Associates. "But what
made this project unique is how the city
made it a community asset. Part of that
is improvement in water quality and the
sustainable concepts that were used, including the green infrastructure and green
stormwater conveyance rather than gray
infrastructure or underground storm sewer
pipe conveyance."
The Lower Bee Branch Creek Restoration, completed in 2011, opened up a
portion of the creek that flows through
commercial and industrial properties just
before it enters a stilling basin and the
Mississippi River. That project served as a
model for restoring the Upper Bee Branch
Creek, which runs through a residential
neighborhood where recreational aspects of
the project had added importance.

A multipurpose structure
built where the creek emerges
from an upstream culvert serves
as both an outfall structure and
an overlook. The creek then meanders by
a community orchard, an amphitheater, a
creek aeration feature, a playground and
three stormwater biofields until it flows
into the Lower Bee Branch Creek.
Combined with other measures in the
ongoing 12-phase Bee Branch Watershed
Flood Mitigation Project-which include
enlarging upstream detention basins and
installing pervious pavement to replace
more than 200 paved alleys-the open system can now safely collect, store and channel five times more stormwater than the
old storm sewer system could handle.
"The collaboration among the city, citizens and engineering teams led to a multifaceted solution that addressed the core
issue but also provided value in other areas
including recreational amenities, habitat
restoration and an enhanced quality of
life," Vieth says. n
Tom Klemens is a freelance writer based
near Chicago and is a registered Professional
Engineer in Illinois.

JULY / AUGUST 2018 ENGINEERING INC.

43



Table of Contents for the Digital Edition of Engineering Inc - July/August 2018

Engineering Inc - July/august 2018
Contents
From Acec to You
Market Watch
Legislative Action
Experienced Help Wanted
Esops Accelerating
Three-Dimensional Engineering
Pli Market Staying on Course
New Technology
Managing Conflict
Urban Restoration Projects
Guest Column
Mergers and Acquisitions
Members in the News
Business Insights
Engineering Inc - July/August 2018 - Intro
Engineering Inc - July/August 2018 - Engineering Inc - July/august 2018
Engineering Inc - July/August 2018 - Cover2
Engineering Inc - July/August 2018 - T1
Engineering Inc - July/August 2018 - T2
Engineering Inc - July/August 2018 - T3
Engineering Inc - July/August 2018 - T4
Engineering Inc - July/August 2018 - T5
Engineering Inc - July/August 2018 - T6
Engineering Inc - July/August 2018 - T7
Engineering Inc - July/August 2018 - T8
Engineering Inc - July/August 2018 - Contents
Engineering Inc - July/August 2018 - 2
Engineering Inc - July/August 2018 - 3
Engineering Inc - July/August 2018 - From Acec to You
Engineering Inc - July/August 2018 - 5
Engineering Inc - July/August 2018 - Market Watch
Engineering Inc - July/August 2018 - 7
Engineering Inc - July/August 2018 - Legislative Action
Engineering Inc - July/August 2018 - 9
Engineering Inc - July/August 2018 - Experienced Help Wanted
Engineering Inc - July/August 2018 - 11
Engineering Inc - July/August 2018 - 12
Engineering Inc - July/August 2018 - 13
Engineering Inc - July/August 2018 - Esops Accelerating
Engineering Inc - July/August 2018 - 15
Engineering Inc - July/August 2018 - 16
Engineering Inc - July/August 2018 - 17
Engineering Inc - July/August 2018 - Three-Dimensional Engineering
Engineering Inc - July/August 2018 - 19
Engineering Inc - July/August 2018 - 20
Engineering Inc - July/August 2018 - 21
Engineering Inc - July/August 2018 - 22
Engineering Inc - July/August 2018 - Pli Market Staying on Course
Engineering Inc - July/August 2018 - 24
Engineering Inc - July/August 2018 - 25
Engineering Inc - July/August 2018 - 26
Engineering Inc - July/August 2018 - 27
Engineering Inc - July/August 2018 - New Technology
Engineering Inc - July/August 2018 - 29
Engineering Inc - July/August 2018 - 30
Engineering Inc - July/August 2018 - 31
Engineering Inc - July/August 2018 - 32
Engineering Inc - July/August 2018 - 33
Engineering Inc - July/August 2018 - Managing Conflict
Engineering Inc - July/August 2018 - 35
Engineering Inc - July/August 2018 - 36
Engineering Inc - July/August 2018 - 37
Engineering Inc - July/August 2018 - 38
Engineering Inc - July/August 2018 - Urban Restoration Projects
Engineering Inc - July/August 2018 - 40
Engineering Inc - July/August 2018 - 41
Engineering Inc - July/August 2018 - 42
Engineering Inc - July/August 2018 - 43
Engineering Inc - July/August 2018 - Guest Column
Engineering Inc - July/August 2018 - 45
Engineering Inc - July/August 2018 - Mergers and Acquisitions
Engineering Inc - July/August 2018 - 47
Engineering Inc - July/August 2018 - 48
Engineering Inc - July/August 2018 - Members in the News
Engineering Inc - July/August 2018 - 50
Engineering Inc - July/August 2018 - 51
Engineering Inc - July/August 2018 - Business Insights
Engineering Inc - July/August 2018 - Cover3
Engineering Inc - July/August 2018 - Cover4
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