N
0 100
400
28
600
MARKET ST
CHESTNUT ST
41st ST
SANSOM ST
WALNUT ST
LOCUST ST
SPRUCE ST
50 th ST FARRAGUT ST
04
direct benefits from pilot projects
greened acres evaluation
Total Greened Acres : acres of impervious surface
that are
retrofitted to connect to green stormwater infrastructure systems instead of flowing directly into sewers
short-term replication
long-term replication
5.5 Acres 78 Acres
600 Acres
Greened area from the Market Street Wavegarden segment, Public Transit Greenway block, and Greened Parking Lot described above.
Potential greened area from application of similar BMPs on every block along the Market-ChestnutWalnut commuter corridor.
Additional greened area from application of similar BMPs along the Green Transit Corridor (as shown above in green).
COMPONENTS
PROGRAM
PLAYERS
FINANCING
ECO-BENEFITS PRIORITIZATION
INFILTRATION PLANTERS
PERVIOUS PARKING LOTS
PERVIOUS PAVING
TYPE ONE
GREEN ROOF
JOINT CONSULTATION
PHILADELPHIA WATER DEPT (PWD)
FINANCING
DEPARTMENT OF STREETS
DESIGN (SURFACE LOT & PUBLIC REALM COMPONENTS)
PARKING AUTHORITY
CONSTRUCTION
SEPTA
MUNICIPAL AUTHORITIES
SOLICITATION FOR PARTICIPATION
BIOSWALES
CISTERNS
BMP BUS STOPS
PRIORITIZATION CONSULTATION WITH ADJACENT NEIGHBORS
SIDEWALK BUMP-OUT SIGNAGE SEATING
RAIL RAIN GARDEN
TRANSIT STOP PUBLIC ART
TYPE TWO
COODINATED PUBLIC REALM
LANDSCAPE ARCH. FIRM U. PENN LANDSCAPE NEXTFAB STUDIO
DESIGN & PUBLIC ARTS
DISCONNECTED DOWNSPOUTS
MAINTENANCE
REDUCED WATER BILL
RECLAIMING PARKING SPOTS / REMOVAL OF IMPERVIOUS SURFACE DESIGN: LANDSCAPING & BUS STOPS
MURAL ARTS PROGRAM NON-RESIDENTIAL PROPERTY OWNERS (COMMERCIAL) RESIDENTIAL PROPERTY OWNERS
PRODUCTION & CONSTRUCTION MAINTENANCE
CO-BENEFITS
05
Implementation
Public-Private Partnership
Public + Private + Arts + Awareness Each green infrastructure strategy can be implemented through the collaboration of public and private stakeholders. The diagram above outlines various roles during different phases of implementation.
ONE-TIME BILL CREDIT MUNICIPAL BUDGET STATE FUNDING
FINANCING
COMMUNITY STAKEHOLDERS
SUBSURFACE VAULTS
GRANT PROGRAM
FEDERAL GRANTS
29
N
0 100
400
30
600
MARKET ST
CHESTNUT ST
41st ST
SANSOM ST
WALNUT ST
LOCUST ST
SPRUCE ST
50 th ST FARRAGUT ST
06
Conclusions
Economic Benefits data from anna schall, bryn mawr supplemental economic analysis of mill creek watershed team b’s stormwater control designs
Increase in home prices
low Additional yearly Parking lot maintenance costs
Reduced annual stormwater fees
+9%
$50/acre
$816
Tree planting has been found to increase home prices by 9%.
Installation of pervious paving has been estimated to increase yearly maintenance costs from $150 to $200 / acre. It also reduces road salt use.
Commercial property owners are now charged a variable rate based on impervious coverage, which incentivizes them to install green stormwater infrastructure – a BMP on 10% of the pilot parking lot saves $816 annuallly.
PUBLIC REALM
INSTITUTIONAL REALM
LINEAR / DIRECTIONAL
POLYGON / CORNER
Design Process
MULTIDIMENSIONAL
ALLEYS
SPATIAL CONDITIONS
WIDE
NARROW
LINEAR / DIRECTIONAL
PRIVATE REALM
ELONGATED
POLYGON / CORNER
OPEN SPACES
PARKING LOTS
STREETS WIDE
Through the analysis of the site, we identified a series of typologies that characterize and organize different physical attributes and potential opportunity sites within the project area. They are: linear (streets and alleyways), polygons (open spaces and parking lots), and multidimensional (schools, businesses, and homes).
RECTANGULAR
MULTIDIMENSIONAL
ALLEYS
SMALL
LARGE
WIDE
NARROW
Mapping the typologies within the project area revealed a concentration and convergence of these types along the main sewer line, which is also the buried floodplain of the Mill Creek.
NARROW
ELONGATED
RECTANGULAR
OPEN SPACES
In this area, we identified specific opportunities and began to develop concepts for stormwater management that combined different typologies or approaches.
PARKING LOTS
SMALL
LARGE
WIDE
SCHOOLS
NARROW
BUSINESSES
LARGE
HOMES
SMALL
SCHOOLS LARGE
31 Further documentation of the design process is included in the appendices.
PRIVATE REALM STREETS
EEN OGRAMS NCEPTUAL AMEWORK
NSTITUTIONAL REALM
SPATIAL CONDITIONS
GREEN PROGRAMS CONCEPTUAL FRAMEWORK
LARGE
SMALL
BUSINESSES SMALL
LARGE
HOMES LARGE
SMALL
LARGE
After sharing these ideas with project teams working in other areas within the Mill Creek watershed, it became evident that many of the conditions or typologies within our project site are present across the Mill Creek watershed. However, the presence of transportation infrastructure, public transit, and parking make the Spruce to Sansom sewershed unique. Since other teams elaborated similar ideas to those in our initial concepts for stormwater management, we chose to focus on the unique characteristics of the project area. The following presents analysis of the project area and our proposal for a transit oriented stormwater management approach.
32
MARK E
T
LU D LOW
CH E STN
SAN SO
UT
M
WALNU T
FARRAGUT ST
LOC U S T
Appendix A S PRU CE
Spatial Conditions
Open Space Alleyways & Vacant Lots Parking Lots
33
MARK E
LU D LOW
CH ES TN
SAN SO
WALNU
LOCU S T
S PRU CE
Appendix B
Spatial Conditions
T
M
UT
T
Rowhouses with Stoops
Rowhouses with Porches
Rowhouses with Front Yards
MARK E
LU D LOW
CH E STN
SAN SO
WALNU
M
T
LOC U S T
S PRU CE
Spatial Conditions
Block Typologies Appendix C
UT
T
Rowhouses in Courtyards
Detached Houses with Front Yards
Sides of Houses
Rows of Stores
Apartment Buildings
Mixture of Building Types
34 Large, FreeStanding Building
35
1
2
4 3
1
ROWHOUSES WITH SIDEYARDS, PORCHES, & BACK ALLEYS.
2
HIGHSCHOOL WITH TRACK; U-HAUL PARKING LOT.
3
LARGER SURFACE PARKING LOTS FOR MIXED-USE AREA.
4
EMPTY LOT AND SCRAP-YARD.
Block Typologies Subwatershed A
Rowhouses with Stoops
Appendix D
Rowhouses with Porches
Rowhouses with Front Yards
Rowhouses in Courtyards
Detached Houses with Front Yards
Sides of Houses
Rows of Stores
Apartment Buildings
Mixture of Building Types
Large, FreeStanding Building
36
1 2
1
COURYARD HOUSING, ELEVATED RAIL TO SUBWAY, TOWERS.
2
SURFACE PARKING LOTS ON ALMOST EVERY BLOCK.
3
EMPTY LOTS CREATE ‘SWISS CHEESE’ EFFECT ON BLOCKS.
3
Block Typologies Subwatershed B
Rowhouses with Stoops
Appendix E
Rowhouses with Porches
Rowhouses with Front Yards
Rowhouses in Courtyards
Detached Houses with Front Yards
Sides of Houses
Rows of Stores
Apartment Buildings
Mixture of Building Types
Large, FreeStanding Building
37
1
SURFACE PARKING & OPEN SPACE THROUGHOUT BLOCKS.
2
WIDE STREETS WITH PARKING ON BOTH SIDES; CENTRAL COURTYARD.
3
LARGER INSTITUTIONS WITH STREETSIDE OPEN SPACES.
1 2
Block Typologies
3
Subwatershed D
Rowhouses with Stoops
Appendix F
Rowhouses with Porches
Rowhouses with Front Yards
Rowhouses in Courtyards
Detached Houses with Front Yards
Sides of Houses
Rows of Stores
Apartment Buildings
Mixture of Building Types
Large, FreeStanding Building
38
Spatial Conditions
Multiblock Combination
Opportunities
Surface & Subsurface
OR MARK E
T
LU D LOW
CH E STN
UT
Market St. Medians
+
+
SAN SO
WALNU
M
Small Commerical
T
LOC U S T
+ S PRU CE
Block Edges
Appendix G
In Between Buildings