The Duke Endowment. Duke Facilities Fall Campus Sustainability Summit. Facilities Discussion. September 14, Management

Transcription

1 The Duke Endowment 2011 Fall Campus Sustainability Summit Facilities Discussion September 14, 2011

2 Agenda Overview of Duke s Facility Portfolio & Organization Climate Action Plan Creating a Coal Free Duke Conservation/Sustainability Discussion Topics Water Conservation Energy Conservation LEED+ Policy Solar

3 Overview of Facilities 3

4 Facilities Duke Buildings: GSF # of Bldgs University 6,390, Dormitories 1,559, Central Campus 415, SOM/N 2,857, Parking Garages 3,045,407 5 Total 14,267, ,200+/- acres on main campus (not including Duke Forest or Golf Course) 315 acres of maintained landscaped grounds Utility Systems Chilled Water, Power, Sewer, Steam, Stormwater, Water 12.3 miles of Duke-owned roads 44 miles of sidewalks 4

5 Facility Growth 1,800,000 14,000,000 1,600,000 12,000,000 1,400,000 10,000,000 1,200,000 1,000,000 8,000, ,000 6,000, ,000 4,000, , , ,000, SF Growth Total Growth

6 Value of Facilities Portfolio IT Infrastructure, $34,300,000 1% Landscaped Grounds, $73,098,619 1% Athletic / Practice Fields, $4,728,590 0% Campus Hardscape, $22,810,111 0% Valuable assets of the University Parking Garages, $148,857,641 3% Utilities Systems, $609,632,784, 13% Stewardship is essential SOM/N, $957,239,967, 20% University Buildings, $2,533,386,153 53% 6 Central Campus, $50,632,666 1% Dormitories, $367,328,679 8% FRV -- $ 4.8 billion +/-

7 Update on Strategic Initiatives 7 Sustainability: Explore & implement energy and water saving measures

8 Climate Action Plan Creating a Coal Free Duke The Driving Forces Behind Our Conversion

9 Campus Growth Energy Markets Climate Action Plan Coal Free Duke Plant Renewal

10 Campus Growth Coal Free 8,000,000 Duke Campus Growth 6,000,000 14,000,000 4,000,000 12,000,000 From 1995 through 2005, the campus added ~2.3M square feet, a 24% increase Total Growth 2,000,000 10,000,000-8,000,000 6,000,000 Steam demand had increased to the point that we no longer had any redundancy at our West Campus Steam Plant 4,000,000 2,000,000 - Total Growth

11 Duke Facilities

12 Climate Action Plan Coal Free Duke Climate Action Plan

13 Energy Markets Coal Free Duke Energy Markets In 2008, we experienced a rapid increase in the price of coal During the same time, natural gas prices began declining This change narrowed the cost gap between the two fuels Continued abundance of natural gas expected to keep prices low Have since put in place a natural gas purchasing strategy Studied other renewable fuels sources, determined they were not ready or the right answer for Duke

14 Coal Free Duke Plant Renewal Plant Renewal

15 Coal Free Duke Plant Renewal

16 Coal Free Duke School of Medicine Learning Center Duke Medical Pavilion Cancer Center West Campus Steam Plant Future Neighbors to the North

17 Campus Growth Energy Markets Climate Action Plan Coal Free Duke Plant Renewal

18 Water Conservation

19 Water System Background A total of 34 main connections from the City water system to East & West Campus. Individual connections for Central Campus 34 miles of water & sewer lines on campus 2 miles of reclaim piping Over 150,000 gallons of cisterns CIEMAS, CAE, Williams Field, SMART House Three water reuse ponds Golf course (2), Sarah Duke Gardens Water meters read monthly 189 Duke owned 39 City owned Currently upgrading water meters to be read with automatic meter reading (AMR) technology All water is supplied by the City of Durham Reclaim Water Tanks at CHWP2 21

20 Duke Historical Water Use 07/ 08 drought forced us to analyze water use on the entire campus Established Water Conservation Steering & Working Groups Reduced Campus water use by nearly 50% during that time Estimated sustained decrease of approximately 35% Recently we have seen a rise in water use (irrigation, behavior, ) 22

21 Water Use by Area FY10 Duke Water Consumption By Center FY2010 StmPlnt 7% University 8% WDI 3% A&S 5% Athletics 3% CHWPlnt 24% SOM 21% Sanford 0% OIT 0% Law 0% Housing 6% Hospital 18% Fuqua 2% Divinity 1% Engineering 2%

22 Completed Conservation Measures Buildings Installed over 3,000 low flow aerators on lavatories Installed over 3,000 low flow flush valves on urinals and toilets Installed over 500 low flow shower heads Corrected single pass cooling on lab equip Installed hand sanitizers in residential hall bathrooms, kitchens, laundry room and common areas. Installed 200 new high efficiency front load washing machines Modified sterilizers at all Duke University Medical Center facilities. Performed a water audit on campus buildings 30+ LEED Buildings (certified or going through the process of certification)

23 Completed Conservation Measures Central Plants Piped the reclaimed reverse osmosis water (RO) and air handler unit (AHU) condensate from campus buildings to use for make-up water in the Chilled Water Plant cooling towers Installed a RO system on the cooling tower blowdown to clean this water and reuse in the cooling towers Drilled two wells to provide tower make up water Pumping water out of the creek for cooling tower make up Alternate sources of water accounted for over 40 (33%) million gallons of water in FY10 at Chilled Water Plant 2 Installed a condensate transfer system to move condensate between East and West Steam Plants Inside Duke s Central Chilled water Plant

24 Completed Conservation Measures - Campus Installed drought-tolerant landscaping on campus. Designed temporary system to irrigate essential athletic fields that involves the use of reclaimed water. Tanks installed under the bleachers at Soccer/Lacrosse Stadium Duke Water Truck- Non Potable Water Installed cisterns to collect water for watering of Williams Field Increased the size of irrigation ponds on golf course to allow for more natural water storage.

25 Completed Conservation Measures Educational/Community Shower Head Give Away Program (Quantity of 10,000) Supplied the University and Medical Center staff, employees and students with low flow shower heads for their homes. The 1.5 gpm showerhead saves an estimated 7,300 gallons of water annually vs. standard 2.5 gpm showerhead. (Total savings: approx 73 million gallons). Educational Campaign Heightened drought awareness by strategically placing the appropriate signs at sinks/showers/bathrooms. Shower Head Give Away Program

26 Future Conservation Measures Water Reclamation Pond Completed study to identify sites on campus where we could collect and store water for re-use Proceeding with the design and permitting for site to supply water to Chilled Water Plant 2 Currently working with Landscape Architect to make site a Campus feature and not just a water reuse pond Preliminary Layout: Site area: 13 acres Surface water area: 6 acres Standing Capacity: 23 million gallons (12 million gallons usable) Normal Pond Depth 10

27 Water Reclamation Pond - Benefits Sustainability Potable Water Savings ~100 million gallons/year ($400k) Project 65% of water use at Chiller Plant 2 would come from non-city sources in 2020 Stormwater Quality Acts as a cleaning device for 22 % of Main Campus area Pond would be considered a rain water harvesting device allowing stormwater nutrient credits Emergency Water Supply Currently water is the only utility to the chilled water plant that is not backed up Could provide water supply to Hospital during severe crisis Other Benefits: Provide educational and research opportunities to the University Enhance future building site on corners of Towerview and Circuit

28 Energy Conservation

29 CAP Energy Recommendations Establish green building energy consumption standards and an approval protocol for building energy consumption review -- implement, measure and report on energy use targets by Building Tech Rating Beginning in 2010, implement energy conservation measures (ECMs) in existing buildings with the goal to realize a 15% reduction in energy use over a 20 year period ( ) Discontinue the use of coal as soon as possible. Duke should complete the gas-fired East Plant steam plant construction and start-up in 2010 and initiate the West Campus steam plant conversion from coal in 2012 Continue to urge, monitor and review Duke Energy s progress towards emissions reductions while exploring on-campus electricity generation options. Additionally, Duke should install 4MW solar PV array by 2012 Leverage research into alternative technologies and explore and implement conversion to biogas, solar PV, solar thermal, combined heat and power or other technologies by 2030 Pursue plant efficiency improvements with tactics such as: distribution system upgrades, thermal storage, chilled water expansion and upgrade, and boiler plant heat recovery

30 Building Analysis

31 Building Energy Conservation Projects Temperature & Scheduling Policy Implemented Campus wide temp and scheduling policy Worked with Schools on building schedules Cooling: 76 o F Heating 70 o F Target: $600k Savings Siemens is performing a detailed study on five buildings Measures Include: Lighting Water Controls: Building & Lab Preliminary payback: ~ 7 years Energy Savings: 15-20%

32 Building Energy Conservation Projects Utility Software Implemented a software package to house all of our utility data ~ 800 meters collect data from monthly and allocate utilities to Campus community has access Campus Metering Steam Installation - underway Water meters - underway Electric Meters Planning Solution Commissioning Exploring continuous and retro- Dashboard Software - Future

33 LEED Plus

34 Implementation of LEED at Duke As of November 2010, Duke has 31 projects that are LEED certified or seeking certification Total of 4.1 million gross square feet certified or seeking certification 19 projects totaling 2.5 million gross square feet have been certified 54% Certified 46% Silver 1 Gold 1 Platinum Approximately 14% of total building square feet is LEED certified East Campus Steam Plant recently Certified Gold!

35 Sustainable Sites (SS) Water Efficiency (WE) Energy & Atmospher e (EA) Materials & Resources (MR) Indoor Environme ntal Quality (IEQ) Innovation & Design Process (ID) % of total LEED points Average Duke LEED Certified Building 70% 60% 50% 52% 57% 52% 59% 51% 40% 30% 30% 20% 10% 0% This analysis led to the conclusion that it was important to develop a BTU per square foot target to ensure that subsequent LEED projects were producing more energy efficient buildings.

36 Duke s Climate Action Plan (CAP) From Duke s Climate Action Plan Recommendation October 2009 Duke should push beyond the current LEED building policy to establish green building energy consumption standards and an approval protocol for building energy consumption review. Duke should implement, measure and report on energy use targets by Building Tech Rating. An analysis of Duke s green building efforts within the CAP context underscored the need for Energy Usage Intensity (EUI) targets for new campus buildings.

37 Energy Use Intensity (EUI) Targets Duke 2008 Average Classroom Tech 3 Office Tech 3 Housing Tech 3 Laboratory Tech 4 & Duke Average - LEED Buildings National Average LEED Buildings Typical ASHRAE 90.1 Baseline EUI Duke Target LEED Plus ICC Energy Code (estimated)

38 Summary In many cases, Duke will not have a choice and will be forced to increase energy efficiency due to changing codes. This LEED plus policy will allow the University to bridge this change and learn from experience before the new codes are required. The Energy Subcommittee will continue to work on the development of the LEED Plus policy for Duke s new buildings under the direction of the Campus Sustainability Committee. The current draft will be finalized once accurate comparisons of all the changing regulatory and LEED landscape is understood and the impacts articulated.

39 Solar

40 Solar Thermal Solar at Duke Implementing 1 st large scale solar thermal system on campus 45 collectors; drain back system Solar Developer is installing system and we are purchasing hot water generated Will provide 30-40% of hot water to student center Solar PV Continue to investigate installing PV system on a parking deck Have signed a MOU with a solar developer ~ 300 kw system Trying to take advantage of 2011 federal tax benefits Net metering configuration

41 Questions?