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Reimagining the Boston Row House Neighborhood
Reimaging the Boston Row House Neighborhood
Masana Amamiya, Naz Beykan, Meg Howard, Larissa Oaks
December 16th, 2011Modeling Urban Energy Flows
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Reimagining the Boston Row House Neighborhood
VISION
South End North End
Row houses are a popular typology in many of Boston’s vibrant, historic neighborhoods.
Is it possible to use this typology to create a sustainable, 21st
century Boston neighborhood?
Beacon Hill Back Bay
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Reimagining the Boston Row House Neighborhood
URBAN ENERGY FLOWS
17.3%
55.2%
27.0%
0.4%
Boston Green House Gas Inventory (2007)
(In equivalent CO2 tons)
Residential
Commerical/Industrial
Transportation
Water and Sewer
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Reimagining the Boston Row House Neighborhood
OUR SUSTAINABILITY FOCUS AREAS
Metrics:• All electricity, heating and cooling energy is generated from
renewable energy (net-zero).• Energy efficient • Renewable resources
• Enable a car free lifestyle• Transient oriented• Walkable and vibrant
• Flexible and responsive to the future functions and conditions
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Reimagining the Boston Row House Neighborhood
Solar Settlement in Vauban: Freiburg, Germany
Malmö, Sweden
100% Locally Renewable Energy System
Constructed: 2001
District Heating and Cooling Plant:Heat Pump: 1.1 MW Heat, 0.7 MW CoolingChillers
AquiferSolar panelsWind power: 2 MW Seawater: 0.8 MW
NETPOSITIVE
Constructed: 2000-2005
PassivhausHeat requirement: 11-14 kWh/m² and yearSolar panels
wide, attractive walkwaysbike routesconnections to public transportation
INSPIRATION
“A mix of interest groups not normally keen on major development-senior citizens, environmentalists, social equity advocates-saw the benefits of a more walkable, cyclable, affordable White Flint.”
(Michael Smith, executive for developer LCOR Inc.)
White Flint, Maryland
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Reimagining the Boston Row House Neighborhood
SITE: Bayside Expo Center, Boston, Ma
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Reimagining the Boston Row House Neighborhood
SITE: Bayside Expo Center, Boston, Ma
1
2 3
1
2
3
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Reimagining the Boston Row House Neighborhood
OUR NEIGHBORHOOD
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Reimagining the Boston Row House Neighborhood
OUR NEIGHBORHOOD
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Reimagining the Boston Row House Neighborhood
CREATE RELATIONSHIPS
T-stop
Harborwalk
High School
Park
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Reimagining the Boston Row House Neighborhood
STEET NETWORK: GETTING FROM A to B
T-stop
Harborwalk
High School
Park
Columbia Rd.
South EndSouth Boston
Savin Hill
University of Massachusetts
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Reimagining the Boston Row House Neighborhood
THE STREET GRID
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Reimagining the Boston Row House Neighborhood
THE PEDESTRIAN & BIKE PATHS
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Reimagining the Boston Row House Neighborhood
THE TRANSIT CONNECTIONS
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Reimagining the Boston Row House Neighborhood
STREET TYPOLOGIES
A
B
A B
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Reimagining the Boston Row House Neighborhood
STREET TYPOLOGIESC
C
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Reimagining the Boston Row House Neighborhood
THE BUILDINGS ?
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Reimagining the Boston Row House Neighborhood
THE BUILDINGS: RESIDENTIAL
90m2 & 2.5 people/unitEUI: 55 kWh/m2 PV Energy Production: 57 kWh/m2Heat Recovery Ventilation & Natural Ventilation in summer
PassivHausSuper-insulated Timber Frame
U<0.2 W/m2K30% Glazing
Triple Pane, Low E U<0.8 W/m2K
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Reimagining the Boston Row House Neighborhood
THE BUILDINGS: COMMERCIAL
900m2, 85 peopleEUI: 76 kWh/m2 PV Energy Production: 34 kWh/m2Mechanical Ventilation & Cooling, Natural Ventilation in summer
Flexibility of the units
office on all levels office on lower floors and
residential on the higher floors
variousfloor plans
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Reimagining the Boston Row House Neighborhood
HOW DO THEY FIT TOGETHER?
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Reimagining the Boston Row House Neighborhood
BLOCK ANALYSIS
The Neighborhood Fabric
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Reimagining the Boston Row House Neighborhood
OUR PROGRAM
1,000 residential units
700,000 square feet of commercial (63,500 m2)
200,000 square feet of retail (18,600 m2)
500,000 square feet of office (44,900 m2)
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Reimagining the Boston Row House Neighborhood
SCENARIO 1
2300 Parking Spaces (29% on-street, 63% garage, 8% surface)
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Reimagining the Boston Row House Neighborhood
SCENARIO 2
670 Parking Spaces (100% on-street)
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Reimagining the Boston Row House Neighborhood
HOW MUCH PARKING IS REASONABLE?
General Parking Requirements For Our Site0.7 per 1,000 sf of Office (Portland) 3381.0 per 1,000 sf of Retail (Portland) 200
0.5 per Residential Unit 500Total 1038
We can expect some complementary usage (i.e., office worker uses a parking space during the day and a resident uses it at night)
Some portion of our spaces will be dedicated towards car share programs.
Our estimate matches the BRA’s proposal for 1,000 spaces on the site.
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Reimagining the Boston Row House Neighborhood
SCENARIO 3
1000 Parking Spaces (64% on-street, 31% garage, 5% surface)
Cost Savings: $22.7 million compared to Scenario 1
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Reimagining the Boston Row House Neighborhood
WALKABILITY
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Reimagining the Boston Row House Neighborhood
ENERGY INFRASTRUCTURE: HEATING & COOLING
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Reimagining the Boston Row House Neighborhood
ENERGY INFRASTRUCTURE: ELECTRICITY
?
??
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Reimagining the Boston Row House Neighborhood
ENERGY INFRASTRUCTURE: SUMMARY
Electricity
No. of BuildingsResidential- 332 (900,000 m2)Commercial- 71 (62,500 m2)
Annual Electricity
Consumption(KWh)
Annual PV Potential (KWh)
Percentage of Energy
Generated
Residential 2,913,300 5,127,208.80 139%
Commercial 3,680,100 2,177,519.40 33%
Total 6593 MWh 7304 MWh 111%
Peak Heating Demand(December,13:00)
Peak Cooling Demand
(July, 15:00)
Residential 4482 0
Commercial 418.77 2411.1
Total 4.9 MW 2.4MW
Heating Cooling
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Reimagining the Boston Row House Neighborhood
NEIGHBORHOOD FUTURE
Increased temperature extremesSea level riseShift to UrbanHigher energy prices
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Reimagining the Boston Row House Neighborhood
NEIGHBORHOOD EVALUATION
Metrics:• All electricity, heating and cooling energy is generated from renewable
energy (net-zero).• Energy efficient • Renewable resources
• Enable a car free lifestyle• Transient oriented• Walkable and vibrant
• Flexible and responsive to the future functions and conditions
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Reimagining the Boston Row House Neighborhood
CONCLUDING THOUGHTS