Ursinus College
Permeable System Helps Meet Goals for Sustainable, Multi-Use Collegiate Outdoor Space.
Every Project Starts with a Purpose
In 2020, Ursinus College, in Collegeville, Pennsylvania completed construction of a new Student Commons, located on Collegeville’s East Main Street.
Architectural firm Bernardon was hired to design the Commons and was given two primary goals: the building had to serve many functions and had to be designed around a historic house already at the main intersection between the college and town. It was going to be the new home for Admissions, with a bookstore and café accessible to the public via the front entrances on Main Street. There would be study lounges for students near the café, and a multi-purpose room would be available to both the college and the community.
Ursinus College collects stormwater through an existing stormwater collection system that ultimately discharges into the Perkiomen Creek. Over the last decade, the regional drainage area and creek has been prone to severe flooding due to increased impervious land coverage in the growing suburban area. It was important the project limit any increased runoff and minimize local flooding.
The Solution
Solving for Style, Function, and Durability
The existing road to the building was a two-way asphalt drive. Bernardon’s designers envisioned turning this space into a new type of roadway that could easily be used as an outdoor plaza and event space. In addition to regular traffic, they envisioned the college hosting food trucks there as part of community-wide festivities.
They determined permeable pavement was an ideal solution because it was both a structural paving surface capable of supporting vehicular traffic and a green infrastructure solution for managing stormwater runoff. Working in conjunction with the installer, they chose Belgard® Aqua Roc™ II. The blend of colors, Sable with Charcoal and Linen accents, complemented the colors of the existing brick buildings on campus and the official Ursinus red.
“Belgard is our number one go-to in concrete paver products, and the installer was also very familiar and happy with it,” says Michael S. McCloskey, Vice President and Principal with Bernardon. “It’s attractive and durable and has really good ratings for product quality from a vehicle capacity standpoint.”
In November 2019, Belgard’s Stormwater Engineer Paul Cureton, P.E., provided design input to civil engineers Woodrow & Associates, Inc. Cureton advised on aggregate depth, drive lane slope, and tying the underdrain into the existing storm sewer.
A cross-section including a 4” base layer and 12” subbase layer of open-graded aggregate was designed for the approximately 20,000 sf permeable pavement system. An underdrain with an outlet control structure was incorporated to manage stormwater release when needed. Two flow dams were installed along the 300 ft. drive lane to maximize vertical infiltration into the 2° sloping subgrade.
Because Aqua Roc™ II is palletized for fast, efficient machine installation, the Edgewood Company was able to install the roadway mechanically, saving time and cost.
To support the multi-use design, the road was redesignated as one-way. Parking spaces were defined with lighter colored pavers rather than paint, and pedestrian areas were designated with removable bollards for flexibility during events and snow plowing.
Additional sustainable features include all-LED lighting, outdoor furniture made from recycled materials, EV charging stations, and intentionally natural, free-flowing landscaping.
The Result
A Lasting Impression:
The Final Transformation
Kevin Earley, Director of Commercial Hardscapes for Belgard Commercial, has been performing surface infiltration rate testing since 2020. He will analyze the change in infiltration rates over time and the information will be used to forecast future maintenance. To date, the infiltration rates remain high, and no surface runoff is occurring.
With the installation of Belgard permeable pavers, Ursinus achieved its goal of having a sustainable green infrastructure with minimal impact on the watershed, and the Student Commons successfully serves both the campus and local community.
PLAN + DESIGN
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