CHARTING PATH TO PLATINUM - .GLOBAL · Dell Children’s Medical Center of Central Texas •...
Transcript of CHARTING PATH TO PLATINUM - .GLOBAL · Dell Children’s Medical Center of Central Texas •...
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CHARTING PATH TO
PLATINUM TWICE
A Consultant’s Perspective
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Our Path To Healthcare Sustainability
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The Path for Today
• Why sustainability?
• Driver?
• Statement for the Provider
• Statement for the Community
• Statement of Responsibility
• Dell Children’s Hospital
• Dell Children’s 3BT
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• Sustainable designs lead to a healthy building philosophy
• Our business is providing an
environment for helping people get well
• It should start with a healthy building • The healthy building concept is now:
• The RIGHT thing to do • And it ‘sells’ in many ways
Sustainability: Our Perspective
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1981 1992 1996 2008 2010 2015 ccrd
created
ccrd assisted in the creation of Dallas AIA sustainability committee
ccrd present Sustainability in Healthcare to International Healthcare Conference
ccrd completes over 25,000,000 SF of healthcare project designs
Dell Children’s Hospital becomes first LEED platinum certified hospital
WSP + ccrd join forces – Now have completed 25 LEED healthcare projects
Dell Children’s Hospital becomes first LEED HC platinum certified hospital
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Dell Children’s Medical Center of Central Texas
• Awarded LEED Platinum • First LEED Platinum Healthcare Facility
• 44,000 BGSM, 169 beds • 13 hectare on 286 hectare Brownfield site • Combined Heat Power Plant (CHP) • Achieved 54 LEED v2.1 points
• 23 points MEP related • Represents 43% of total points achieved
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Combined Cooling Heating and Power Plant
• 4.5MW natural gas-fired turbine supplies 100% of the hospital’s electricity
• 75% more efficient than coal-fired
power plants • Lower emissions of nitrogen oxides and carbon
dioxide as a result of efficient combustion chamber technology
• Steam, a by-product of the conversion process, is
utilized by the hospital and is used in absorption chillers to produce all of the hospital’s chilled water needs
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Dell Children’s Hospital Courtyards
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Dell Children’s Hospital Courtyards
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Dell Children’s Hospital - Specifics
• Individual control capabilities • 96% of occupants have lighting control • Underfloor air distribution in administrative areas
• Occupancy sensors and daylight harvesting utilized • CO2 monitoring in high occupancy areas
• Reduce outside air under low occupancy
• Approximately 1.3 million gallons water saved annually • Dual low flush fixtures, low flow showers, automatic sensors
• Energy savings estimated at $1.5 million • Energy measurement and verification system
• Maintain and optimize energy usage
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Dell Children’s Medical Center – 3BT Expansion
• FIRST LEED Platinum under 2009 LEED for Healthcare
• 7,000 BGSM, 72 beds
• 57 LEED Design Phase Credits Awarded
• 86 LEED Credits Awarded Total
Heat Recovery
Lighting Controls
Solar PV & Heating Water
Project Overview – 3BT Expansion
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Dell – Outside Air Energy Recovery Patient OA Energy Recovery Modeling
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• Owner Desire for Setbacks Based on Bed Tracking • Patient Information Protection Concerns/ Constraints • Collaboration with BMS/Lighting Controls/Finance Software
In-patient Registered – Billing Tracking
Dell – Lighting Controls Integration Patient Tracking & BMS
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On Site Renewable
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• 88,654,000 w-Hr collected annually • 1.3% of On-Site Renewable
Dell – On Site Renewable Energy Solar Heating Water System
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• 22% better than ASHRAE
90.1 Baseline by COST
• 75 W-hr/m2 more efficient
than Baseline by USE
• ONLY energy numbers used
in the combined heat &
power calculation
Computational Modeling Results
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For Projects Served by District Thermal Energy and CHP USGBC has Supplemental Guide.
Austin Energy provides chilled water, steam and power
4 Years of Energy Numbers Provided
District Thermal Performance Calculations
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• Monitored Data Was Used to Determine: • Average Annual Net Electricity Produced • Average Annual Natural Gas Fuel Input to Plant • Average Annual Waste Heat Recovered From Turbine Exhaust • Average Annual Steam and Chilled Water Produced
CHP Metered Data
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• The energy cost savings for the Proposed case was determined to be 46% over the Baseline case, which would qualify the project for 23 Points under the requirements of EA Credit 1.
Results of Computational Model & CHP Calculations
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Actual Loads vs. Design Projections
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0.04$
0.03$ 0.03$ 0.03$ 0.03$ 0.03$
0.05$
0.09$0.09$
0.11$
0.09$ 0.09$
SEPTEMBER$ AUGUST$ JULY$ JUNE$ MAY$ APRIL$ MARCH$ FEBRUARY$ JANUARY$ DECEMBER$ NOVEMBER$ OCTOBER$
DCMCCT - Natural Gas Use - GJ/sm/month
Dell Natural Gas Usage
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0.08$ 0.08$
0.09$ 0.09$
0.08$0.07$ 0.07$
0.07$ 0.07$ 0.07$ 0.07$ 0.07$
SEPTEMBER$ AUGUST$ JULY$ JUNE$ MAY$ APRIL$ MARCH$ FEBRUARY$ JANUARY$ DECEMBER$ NOVEMBER$ OCTOBER$
DCMCCT - Electric Use - GJ/sm/month
Dell Electric Usage
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0.04$
0.03$ 0.03$ 0.03$ 0.03$ 0.03$
0.05$
0.09$0.09$
0.11$
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0.08$ 0.08$
0.09$ 0.09$
0.08$0.07$ 0.07$
0.07$ 0.07$ 0.07$ 0.07$ 0.07$
SEPTEMBER$ AUGUST$ JULY$ JUNE$ MAY$ APRIL$ MARCH$ FEBRUARY$ JANUARY$ DECEMBER$ NOVEMBER$ OCTOBER$
DCMCCT - Energy Use - GJ/sm/month
Nat$Gas$ Elec$
Dell Total Energy Usage
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Dell Children’s Medical Center of Central Texas
DRIVER: Community
& Wellness
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Question &
Answer