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Robert Roseen, Associate, Water Resources, Geosyntec Consultants
1. Real World Implementation of
Sustainable Development
Robert Roseen, PhD, D.WRE, PE
rroseen@geosyntec.com 603-205-8056
June 25, 2014
2. Commercial Street
Reconstruction Porous
Pavement
Provincetown, Massachusetts
In 2012 Provincetown began the installation of
over 5,000’ of the first “Porous Municipal Main
Street”. The project addressed existing
infrastructure problems with flooding and
drainage along a main thoroughfare that has
tremendous traffic during the busy tourist
season..
The harbor and Commercial Street are the
economic driver for the Town.
Beach closures affect economy and public
perception
Year-round population of around 3,000
Seasonal population increases to
approximately 30,000
Summer tourism can bring in half a million
visitors to Commercial Street
4. Does Impervious Cover Reduction
Really Work?
Urban Watershed Renewal in Berry Brook
Robert Roseen, Viktor Hlas, Tom Schueler, Tom Ballestero, Mark Voorhees,
Melinda Bubier, Joel Ballestero, James Houle, Dean Peschel, Bill Boulanger, David
Burdick, Lorie Chase, Ann Scholz, Sally Soule, John Magee, Ben Nugent, Matt
Carpenter, University of New Hampshire Stormwater Center, City of Dover,
University of New Hampshire, Cocheco River Watershed Coalition, New Hampshire
Fish and Game, New Hampshire Department of Environmental Services
4
Funding Sources: NHDES 319 Watershed Assistance
NHDES Aquatic Resource Mitigation Funds
5. Hydrology---Benefits of LID Retrofits
0.000
1.000
2.000
3.000
4.000
5.000
6.000
7.000
8.0000.00000
0.01000
0.02000
0.03000
0.04000
0.05000
0.06000
7/11/2011 10/19/2011 1/27/2012 5/6/2012 8/14/2012 11/22/2012
Precip(in)
Discharge/Area(cfs/ac)
Date
Average Daily Flow per Watershed Area
Separation of
hydrographs
for developed
and
undeveloped
watersheds
pre-
constructions
Similarity of
hydrographs
for developed
and
undeveloped
watersheds
post-LID
installs
Shift towards
pre-
development
hydrology
POST-CONSTRUCTION
LID
CONSTRUCTIONPRE-CONSTRUCTION
6. A Low Impact Development
Approach at Greenland
Meadows
Greenland, New Hampshire
Utilizing an LID approach that featured acres of
porous asphalt and a gravel wetland, a cost-
competitive drainage system was designed for a
large retail development. The total impervious
area of the development – mainly from rooftops
and non-porous parking areas – is approximately
25.6 acres. This project had an estimated 26%
cost reduction due to cost avoidance in
associated drainage infrastructure (ponds and
piping) with the use of Low Impact Development.
7. Greenland Meadows
Commercial,
Greenland, NH
• “Gold-Star” Commercial
Development
• Cost of doing business
near Impaired
Waters/303D
• Brownfields site, ideal
location, 15yrs
• Proposed site >10,000
Average Daily Traffic count
on >30 acres
9. LID as a Climate Adaptation Tool and
Community Resiliency
Of 15 largest events since
1934:
• 8 have occurred in
last 25 years
• 5 have occurred in
last 15 years
• 3 have occurred in
last 5 years
LID zoning
mitigated
flooding
increase by
53%