Download - Building 555 final
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Governors Island Project – Building 555 Green Building Tools & Technologies
December 7, 2011
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•445 students plus faculty and staff are transported from
the five boroughs to The Harbor School on a daily basis
•Trip time can be nearly two hours each way for some
students
•Vessel used to transport from Manhattan to Governors
Island burns a significant amount of fuel
The Problem The Problem…
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The Problem Solution
•Convert adjacent building (555) to a dormitory to
accommodate students during the week
•In line with the Harbor School’s philosophy, seek LEED
Platinum certification
Solution
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Site Location
N
Governors Island
Geographic Location 40°41'27.76"N
74° 1'14.86"W
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Site Location
N
Building 555
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Sustainable Dormitory
1. Radiant Concrete Floor
2. Insulated Windows
3. Modlet Adapters
Throughout
4. Maximize Natural Light
5. Energy Efficient Lighting
6. Occupancy Sensors
7. Efficient Water Fixtures
8. Reclaimed Wood Furniture
9. Rainwater Collection for
Potable Water
10.Black/Grey Water
Treatment for Process Water
11. Greenhouse Provides
Oxygen/Water/Climate
Control
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Water
Key Objectives:
• >36% improvement in existing building performance with
efficient fixtures and radiant heating/cooling
• Produce electricity and heat on-site with DG/CHP system for
school during day and dorm at night
• >9% on-site renewables with solar panels for selected uses
and potential biofuel augmentation
• 1% renewables = Regional Priority 1.4
• Enhanced Commissioning + Student training/education
Energy:
Efficiency, Cogeneration and Renewables
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Energy Sources
•Co-Gen System to run partially off of biofuel from algae
and will be used to heat water and in absorption chiller
•Solar for vehicle recharge
•Aqua heat-pump from harbor 8
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DG/CHP Systems
•Distributed Generation (DG)/Combined Heat and Power (CHP) will provide power
to the dorm at night and school during the day
• Waste heat from the DG/CHP system will heat water and be used in absorption
chiller for cooling
•System will run partially on biofuel 9
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On-Site Energy Use
•Process Use:
• Radiant floor heating/cooling with water source heat pump
• Waste heat capture from DG/CHP for hot water heating
• Water source heat pump
•All Energy Star appliances
•Building management system to control mechanical systems
•Efficient Lighting
• Occupancy sensors
• Program specific lighting
• Daylighting solutions (light shelf, light walls and flooring)
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Energy Monitoring/Control
•Centralized portal to monitor and manage energy usage
•Competitions amongst the pupils to minimize usage,
prizes to be funded through energy savings
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• Helena Building (601 West 57th Street, NYC)
• Direct Generation/Combined Heat and Power; Efficient fixtures
• Epler Hall, Portland State University
• Natural ventilation and lighting; shading; Efficient fixtures
• The Schwab House (11 Riverside Drive, NYC)
• Shared Savings Program to minimize risk for DG/CHP (3rd party owns/operates equipment)
Inspiration
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Energy Sources
•Co-Gen system can run on either Diesel (with biodiesel blend - B20 or B100) or
Natural Gas (non-renewable but more common/standard practice)
•Methane recapture from compost if NG Co-Gen turbine is used
•Wind Turbine (http://www.tradewindturbines.com)
Energy Options
Conservative estimate for expected LEED EAc2 points
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Water
Key Objectives:
• Strive to furnish 100% of the building’s water need
with on-site wastewater treatment and rainwater
collection
• Treat 100% of the water and wastewater from the site
• Present water as a commodity to have value much
greater than the current price
Water:
Managing Stormwater and
Wastewater
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On-site Use
•Facility Use
• Toilets
• Faucets
• Showers
•Process Use
• Radiant floor heating
• Energy capture from CHP
• Water source heat pump
•Irrigation
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Inspiration
•Sidwell Friends School in Washington D.C.
•Yale School of Architecture New Haven, Ct
•Oberlin College “living machine” Oberlin, Ohio
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Water Sources
•Rain harvesting
•Wastewater and grey water reuse
•Humidity from greenhouse
•Harbor water (for water source heat pump) 17
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Water Budget
•Defines sizing for rain harvesting and collection area
•Demonstrates that showers are the greatest source of
water use – more than 4 times the next highest use
•Sets a goal for rain harvesting and reuse
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Rain Harvesting
0
500000
1000000
1500000
2000000
2500000
Gal
lon
s o
f W
ate
r /
year
Collection Area (square feet)
Water Harvested
Needed:
65,250 sf collection area
1,513,000 gallons/year
Current: 10,000 sf roof area 23,880 gallons/year
- More than 6 times the current roof area
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Water •Collection
•Conveyance
•Storage
•Treatment
•End-use
Rain Harvesting System
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Water •Collection
•Conveyance
•Storage
•Treatment
•End use
Collection Area
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Water
•Treat harvested, rain water for potable applications
• Faucet
• Shower
• Kitchen
• Washing machine
•Treat wastewater and grey water for irrigation and
gardening
Treatment and Reuse
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Water
• Low flow faucets and showerheads (0.5 and 1.75
g/min)
• Low flow toilets (0.8 gpf)
• Pint urinal (men’s WC only)
• Closed loop radiant floor heating
Fixtures and Equipment
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Water
• Drip irrigation is efficient
• Water only the necessary area at a low flow
rate (drip irrigation) opposed to intermittent
inundations
• Synergy with treatment
• Plants can treat water and remove particles,
metals, and pathogens
Irrigation
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Water
• Importance and value of water
• The cost savings should be indicated to the students
• Infuse value in conservation
• Make it interactive
• Testing
• Operations should be visible and components
should be marked and have descriptions to explain
Teaching Moment
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Water
Key Objectives:
• Grow fruits, vegetables, and grains to feed
students, staff, faculty, and Island workers
• Infuse School and Dormitory with enriched air
• Provide recreation and activity space where
students learn about and actively participate in
the production of their food
Greenhouse:
Food and Environment
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•Organic waste from dorm and school is converted into
compost
•Oxygen-rich air is circulated throughout the
dorm/school
•Humidity is converted into water and captured for reuse
•Heat transfer system for climate control in building 555
On-site Use:
Influence on Building(s) Process
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•Glass houses and greenhouses in northern Europe
•Modern approaches to urban farming in New York and
around the country
Inspiration
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Siting
•Situated between the Dormitory and School
• Further study needed on sizing
• Possible implementation strategy to navigate
historic district requirements is to classify as
temporary structure
• Great opportunity for partnership with urban farm
organizations
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Partnership
• Promote urban Sustainability Science + Education
• http://nysunworks.org/
• Drexel Smarthouse
• http://www.drexelsmarthouse.com/
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Summary of LEED Credits
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• LEED Platinum New Construction and Major
Renovation
Recap
2 points 10 points 2-3 points
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Questions?
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