southside green - team 2

April 10 through 12, 2014

Study Area A – Team 2

The Green Gateway to the South Side Riverfront Park

Study Area A

Study Area B

Study Area C

http://www.southsidegreen.com

ContributorsJason J. McBride, PE – Gannett FlemingLisa Hollingsworth-Segedy, AICP – American RiversBill Moldovan, RLA – Mackin EngineeringJoe Kudritz, PE – Michael Baker Matthew Weschler – University of PittsburghTodd Chambers, RLA – Chambers Design AssociatesJohn Buck, CPSS – Civil & Environmental Consultants, Inc.


Description of existing conditions• Flat gradient• Wide rights of way• High yield locations• Giant Eagle• Active railroad• Southside Riverfront park• Mix of urban land uses• Competition for on street parking


Carson Street facing north towards River


Wharton Street facing north towards Giant Eagle


End of 21st Street facing north


Study Area AThe Green Gateway to Southside Riverfront Park


• Reinvigoration of the 21st Street corridor• New public access over the railroad to South Side

Riverfront Park• Blending of modern and old world design style• Seamless pedestrian and bikeway from Carson Street to

the park• 21st Street lined with pervious pavement and vegetated

swales• Increased parking from 33 spots to 40 spots


Study Area A – Design Details

• 9’ parking lanes, 5’ bikeways, & 11’ travel lanes each direction

• 7’ sidewalks & 4’ vegetated swales in most areas• Pervious pavement parking lanes to catch road runoff• Vegetated swales to catch sidewalk runoff• Vegetated curb bump outs at each intersection• All pervious elements will be underlain with 2’ of gravel

backfill


April 10 through 12, 2014 http://www.southsidegreen.com

Study Area AGreen Gateway To South Side Riverfront

Park


Study Area ASouth Section


Study Area ANorth Section


Study Area ADesign Details Carson St Intersection


Study Area A


Coal Tipple Bridge and turn-around at the End of 21st Street


Coal Tipple Bridge and turn-around at the End of 21st StreetFacing north with Giant Eagle parking lot to the west


Study Area A21st Street Green Infrastructure Cross Section


Study Area A – Innovative Design Features• Underdrain with water level controls, valves between zones –

overflow removal• Monitoring system: water level, water content, temp, electrical

conductivity (salts) in storage aggregate and underlying soil• Adjustable Thresholds (e.g., water depth, drainage rate)



Aggregate or SoilMoisture, Temperature,Electrical ConductivitySensors

Water Depth,

Temperature,

Electrical Conductivity

Sensor

• Water Depth• Freezing Depth• Available Pore-Space• Percolation Rate• Salt Status• Actuate Active

Controls???

Monitoring


Dataloggers & Sensors

• Battery-powered• High Sampling

Frequency (every 5 minutes)

• Memory onboard • Cellular data

telemetry


Example Output (Phipps Rain Garden)

>10 inches/hourthrough Sand

0.1 inches/hour through Urban Subgrade

Ground Level


Conclusions• Achieves 1” storm capture goal• Scalable approach• Monitoring advances state of practice, adjustments• “Tweakable” design (underdrain flow/elevation adjustments)• Neighborhood asset– Pedestrian-friendly– Preserves on-street parking– Incorporates heritage elements in design– Provides new connection to South Side Riverfront Park


Questions?

southside green - team 2

Design

riverfront park study

street parking

study area b study area

carson street

wharton street

southside riverfront

south section

north section