Presentation to NAIOP of Southern Nevada. Brief discussion of sustainable development trends. Case study of actual performance of a LEED Gold commercial building.

1. 7/17/2009
LEED-CS LEED-CI 2008 2009
Sustainable Development
Julie Walleisa, AIA, LEED AP
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
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Sustainable development trends
NAIOP’s role
Case Study: Jefferson Green
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2. 7/17/2009
Trend #1:
LEED continues to evolve
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LEED 2009
Consistency
Updated standards
ASHRAE 90.1-2007
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LEED 2009: Regionalization
Bonus credits by zip code
6 options
4 points available
Ex: Las Vegas 89119
Stormwater Quantity
Heat Islands: Nonroof
Water Efficient Landscaping
Water Use Reduction
Onsite Renewable Energy
Construction Waste Management
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LEED 2009: Weightings
More emphasis: LEED 2.2
SS
Energy 7%
20% WE
Transportation 22% EA
7%
MR
Less emphasis: 19% 25% EQ
Materials ID
Indoor environment
LEED 2009
6% SS
14% 25% WE
EA
13%
9% MR
EQ
33%
ID
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Trend #2:
Green buildings have higher value
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What does LEED cost?
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LEED Cost
National studies
0-2% cost premium
Federal agencies – 1%
Our experience
0.5% - 5% cost premium
Payback depends on energy
> 1% and no real payback
1.3% and 2 year payback
5% and 5 year payback
Rolled into budget
Estimate 2-5%
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LEED Benefits
2008 CoStar Study
$11/sf higher rent
4% higher occupancy
$171/sf higher sales price
NAIOP Development ’08
Developers seeing this in other markets
Typically not the case in Southwest
National companies requiring LEED
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6. 7/17/2009
Trend #3:
Regulation
Proliferation of ordinances
Move from incentives to regulation
LEED as code
Energy and water requirements
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Municipal Incentives:
Chicago, IL: LEED = expedited permitting, fee waivers
Anchorage, AK: LEED = permit fee rebates
Babylon, NY: LEED = refund of USGBC fees
Baltimore Cnty, MD: LEED = tax credits
Cincinnati, OH: LEED = 100% property tax exemption
El Paso, TX: LEED = grant program
Jacksonville, FL: LEED = expedited permitting, density bonus
Pittsburgh, PA: LEED = 20% FAR bonus, 20% height bonus
Bellingham, WA: LEED Silver = 0.5 FAR bonus
Chandler, AZ: LEED Silver = expedited plan review
USGBC fee rebates
Los Angeles, CA: LEED Silver = expedited permitting
Miami Beach, FL: LEED Silver = expedited permitting,
USGBC fee rebates
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7. 7/17/2009
Municipal Requirements:
Albany, CA: LEED = commercial over 10,000sf
Alexandria, VA: LEED = all private buildings
Annapolis, MD: LEED = commercial over 7,500sf
Babylon, NY: LEED = commercial over 4,000sf
Boston, MA: LEED = private over 50,000sf
All projects (any size) must submit checklist
Long Beach, CA: LEED = private over 5,000sf
Los Angeles, CA: LEED = private over 50,000sf
Baltimore, MD: LEED Silver = commercial over 10,000sf
Mountain Village, CO: LEED Silver = commercial over 5,000sf
Pasadena, CA: LEED Silver = private over 50,000sf
Taos, NM: LEED Silver = commercial over 6,000sf
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Municipal Requirements:
Not just LEED level:
Energy-based requirements/incentives
MD, NM, NY, OR
Water-based requirements
CA, NM
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Federal Drivers:
Federal leases
GSA: LEED Silver
EPA: ENERGY STAR rating
DOE: LEED Gold preference
Federal tax deduction
50% energy savings over ASHRAE
National Model Energy Code
30% savings over 90.1-2004 in 2010?
House - American Clean Energy and Security Act
Senate - Clean Energy Leadership Act
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NAIOP’s Role
Government Affairs
Position papers
Cost studies
USGBC pilot on distribution centers
Conferences & webinars
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9. 7/17/2009
Jefferson Green
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
2 separate LEED projects
LEED-CS Gold + LEED-CI Gold
LEED-CS LEED-CI
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10. 7/17/2009
Project Drivers:
Speculative building
Multiple tenants
Market rate
Performance
Energy
Water
Tenant amenities
LEED certification
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
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11. 7/17/2009
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12. 7/17/2009
Envelope:
Orientation
Shading
R-19 walls
Low-e glazing
Operable
windows
Reflective roof
R-30 roof
insulation
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
Process:
Iterative design
process
Performance
Aesthetics
Modeling/Calcs
Energy vs daylight vs
budget
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Building Systems:
Underfloor air
distribution
Evaporative cooling
Direct/indirect
Free cooling
Refrigerated backup
Rooftop AHUs
Gas boilers
T5 fluorescent lighting
45% energy savings
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Interior Environment:
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Interior Environment:
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Material Conservation:
32% recycled content
67% regional materials
Innovation points (old version of LEED)
Mainly standard materials –
steel, concrete, gypsum board
Aluminum frames 45% recycled
Carpet 30% recycled
80% construction waste recycled
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
Material Conservation:
Natural linoleum flooring and tackwall
Low-emitting materials
GREENGUARD certified furniture
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Site & Landscape:
Preserved existing trees
Directed run-off to planted areas
Xeric landscaping
Irrigation from the city’s non-potable
line – no potable use for landscape
Cutoff light fixtures to minimize light
pollution
Bike racks
Designated smoking area
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
Integrated Design Process:
LEED Management Process
SD Project Strategy Set realistic goals
DD Design Decisions Form, systems, materials
Calculations & Documentation Refine design
CD
QA Process Check drawings and specs
Bid Samples & Support Control bid inflation
CA CA process Plans, progress, submittals
Occ LEED certification Follow-through
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17. 7/17/2009
Performance
Modeled at 45% better than ASHRAE
Qualified for partial federal tax deduction
Invested in envelope and systems – 5%
Projected 5-7 year payback
Model: $100,000/yr savings
Water: 222,000 g/yr indoor
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
Performance
ENERGY STAR rating of 99
EUI = 34 to 36 kBtu/sf/yr
2008 2009
Energy costs $0.70/sf/yr (avg $1.80-$2.00)
Over $100,000/yr in savings
5 year payback
Utility bills lower than previous building
Impact on recruitment, retention, productivity
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18. 7/17/2009
Performance
BENEFITS: ENVIRONMENT
Environmental Impact (from DPS 2008 report)
Jefferson Green operations saved in 2008:
6,290,000 kBtus energy
858 tons CO2 emissions
598 pounds of cardboard
18,050 pounds of paper
85 pounds of plastic
Impact adds up across projects
Impact adds up over time
NAIOP SOUTHERN NEVADA JULY 2009 Dekker/Perich/Sabatini
What’s next?
Energy costs will continue to rise
Better payback/income
Risk avoidance
More tenants expecting LEED
More legislation & initiatives
Move toward carbon credits or carbon taxes
Greening existing buildings
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19. 7/17/2009
Questions?
www.dpsdesign.org
Julie Walleisa, AIA, LEED AP
juliew@dpsdesign.org
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