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Porous Asphalt Pavements for Stormwater Management
An article in the Sustainability Special Section
Hot Mix Asphalt Technology, MAY/JUNE 2008 More>>
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Porous Concrete Combats Dreaded Potholes, Flooding
The Stormwater Center was featured on WBTZ TV on April 29. More>>
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2 Week Short Course to be Taught in Panama
A new stormwater short course focusing on designing stormwater management strategies in developing and urban areas will be held from May 26 to June 6, 2008. The course will be taught in Spanish. More>>
See the press release here>>
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UNH Research Says, "Hold the Salt"
Researchers from the UNH Stormwater Center are testing technologies that may put parking lots on a “low-salt diet” in the future. More>>
Campus Journal, 2-20-08
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Winning Combination - NEIWPCC Collaborating with UNH Stormwater Center
This article about UNHSC's collaboration with the New England Interstate Water Pollution Control Commission (NEIWPCC) is available in the Interstate Water Report here>>
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The UNH Stormwater Center's 2007 Annual Report is now on-line. Check it out here>>
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Stormwater Runoff Compliance Seminar
On January 14, 2008, UNHSC will host a one-day seminar to help "Navigate the Maze of Regulations to Protect your Clients." This seminar, sponsored by the National Business Institute, will be held in Gregg Hall on the Durham campus. For more information about the seminar and to register, click here>>
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UNH Parking Lot Could Pave Way To Cleaner Water
UNHSC's pervious pavement project was featured on WBZTV (Channel 4) on August 9. More>>
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Innovative Stormwater Management Inventory
Check out this UNHSC-NEMO database of New England's innovative stormwater practices here>>
If you know of any examples of BMP implementation that should be included in the new UNHSC-NEMO management inventory? Take a
moment and visit our on-line
submission form where you can enter relevant information
directly into the database.
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At UNH, Even The Parking Lots Are Green
Construction of the new pervious pavement parking lot begins Tuesday, Aug. 7. Members of the media are invited to the site the morning of Wednesday, Aug. 8, for photos and interviews with the researchers and project directors. More>>
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Updated Design
Spec
The UNHSC Design Specifications for Porous Asphalt Pavement
and Infiltration Beds is in its final form. More>>
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Salt Reduction for Pervious Pavements
Salting strategies are currently being studied to determine
if reduced amounts of salt are adequate for use on a porous
asphalt parking lot. Test-plot analyses, which include percentage
of snow and ice cover, undissolved crystal mass, pavement
temperature, dynamic friction factors, and required salt loads
compared to standard application rates, demonstrate that porous
asphalt requires as little as 0-25% less salt for winter maintenance
than standard pavement. Higher frictional properties were
recorded on porous asphalt with no salt addition than were
observed for standard asphalt with a full application. The
lack of standing water on porous asphalt greatly reduces the
number of required applications during freeze-thaw periods
and largely eliminates the formation of black ice. Report
should be available by Fall 2007.
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NH Department of Transportation I-93 Exit
2 Gravel Wetland
The UNHSC has been collaborating with the NH Department
of Transportation and the project’s engineering consultant
design teams (Vanasse Hangen Brustlin, and Louis Berger Group)
involving the use of gravel wetlands as part of I-93 Corridor
Expansion. The use of gravel wetlands for this project was
instrumental to meeting permit requirements to prevent impacts
to impaired waters within the watershed. Pilot gravel wetlands
are planned for install in 2007. If the pilot projects are
successful, it is conceivable that the gravel wetlands will
be an integral component in future highway expansion.
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The Rhode Island Coastal Resources
Management Council (CRMC) Seeks Improved Management of Stormwater
Runoff
As of Feb. 2007, CRMC prohibited the use of hydrodynamic
separators as the sole method of stormwater treatment for all
new development and redevelopment projects based on findings
at UNHSC and elsewhere. The recommendations are based on moderate
performance for these systems such that their usage will be
limited to pretreatment of stormwater. Similar restrictions
have occurred in other states in the region and the across the
country. More>>
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Hugh Gregg Coastal Conservation Center,
Stratham, NH
The UNHSC designed an integrated stormwater management
strategy for the NH Fish and Game Department and the Great
Bay National Estuarine Research Reserve for the beautiful,
newly constructed education facility which highlights several
sustainable design features. The stormwater management, to
be constructed in summer 2007, includes a porous asphalt parking
lot and other LID strategies. More>>
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