4/13/2010 DI DISA He Headquarters F Facility ty Pr Presen - PDF document

4/13/2010 DI DISA He Headquarters F Facility ty Pr Presen entati tion Outlin Outline • Proj • Pr oject Ba Back ckground • E Existing Mechan anic ical al Summar ary • D • Desi sign Object ctives • A • Alte ternative Descr scriptions “DISA, a Combat Support Agency, engineers and • • Wate ter C Cool ooled S Solution provides command and control capabilities and • Energy An Anal alysis & & Payb yback enterprise infrastructure to continuously operate • and assure a global net-centric enterprise in direct • • Refrigerant C Cool ooled S Solution • Energy An Anal alysis & & Payb yback support to joint warfighters, National level George S Slavik ik III III • S • Sust stainability Br Breadth leaders, and other mission and coalition partners Faculty Advisor: Dr. Stephen Treado across the full spectrum of operations.” • F Final l Re Recommendations Project B t Background ound Presentation Outline Project B t Background ound Presentation Outline • P • Project Ba Background • Project Ba • P Background Defense Information Systems The Campus Has Six Integrated Buildings: • Existin ting M Mechanic ical S Summa mmary • Existin ting M Mechanic ical S Summa mmary • Operations Building Agency (DISA) Headquarters Facility • Design Objectives • D • Common Building • Design Objectives • D • Command Building • Al • Alte ternative Descriptions • Alte • Al ternative Descriptions • Acquisitions Building • Water ter C Cooled ed S Solutio tion • Water ter C Cooled ed S Solutio tion • Lab Building Location and Site: Fort George G Meade , MD • Warehouse/ Central Utility Plant • Energy A Analysi ysis & & Payba yback • Energy A Analysi ysis & & Payba yback Dates of Construction: 1/1/09-2/1/11 • R Refrig iger erant Cooled ed Solutio tion • R Refrig iger erant Cooled ed Solutio tion The Program Contains: Owner: DISA • Energy A Analysi ysis & & Payba yback • Energy A Analysi ysis & & Payba yback • 70% Office Space (Operations, Command, Size: 1,070,000 SF Acquisitions Buildings) • Sustainability Br • S Brea eadth • S • Sustainability Br Brea eadth • 7% Lab Space (TE Lab) Project Delivery Method: Design-Build • Fi Fina nal l Re Recommenda ndations ns • 10% Common Spaces (Common Building) • Fi Fina nal l Re Recommenda ndations ns Existing M ting Mechanic anical S al Summary Presentation Outline Existing M ting Mechanic anical S al Summary Presentation Outline Central Cooling Plant • P • Project Ba Background • Project Ba • P Background Central Utility Plant • Existin ting M Mechanic ical S Summa mmary • Existin ting M Mechanic ical S Summa mmary Heating Plant (Red), Cooling Plant (Blue) Four Centrifugal Chillers – Refrigerant R-134A • D • Design Objectives • D • Design Objectives Capacity – 2- 975 Tons, 2- 925 Tons = 3800 Total Tons Main Street Service Corridor • Al • Alte ternative Descriptions • Alte • Al ternative Descriptions Serves – AHU’s, FCU’s, CRAC Units, Terminal Units - 2 story Circulation connecting all buildings • Water ter C Cooled ed S Solutio tion • Water ter C Cooled ed S Solutio tion Orientation- Piped in Series/ Counterflow Arrangement - Doubles as Main Circulation Spine on top • Energy A Analysi ysis & & Payba yback • Energy A Analysi ysis & & Payba yback Design- Chillers operate W. Chws at 42°F & Chwr at 60°F level for all occupants & Service Corridor on • R Refrig iger erant Cooled ed Solutio tion • R Refrig iger erant Cooled ed Solutio tion 4- 13,125MBH Cooling Towers • Energy A Analysi ysis & & Payba yback • Energy A Analysi ysis & & Payba yback level below. 5- Condenser Water Pumps (1,750 GPM, 90 ft. wc.) - All CHW/HW Distribution from the CUP runs • S • Sustainability Br Brea eadth • S • Sustainability Br Brea eadth 5- Chilled Water Pumps (1,265 GPM, 175 ft. Wc.) through this corridor and feds other buildings • Fi Fina nal l Re Recommenda ndations ns • Fi Fina nal l Re Recommenda ndations ns 1

4/13/2010 Existing M ting Mechanic anical S al Summary Existing M ting Mechanic anical S al Summary Presentation Outline Presentation Outline Central Heating Plant General Office Spaces • P • Project Ba Background • P • Project Ba Background Under Floor Air Distribution System (UFAD) • Existin ting M Mechanic ical S Summa mmary • Existin ting M Mechanic ical S Summa mmary • D • Design Objectives -Pressurized 18” RAF Supply Plenum • Design Objectives • D Four Gas Fired HW Boilers– 8,000 MBH Each -Supply Air Delivered: 62°F - 68°F • Alte • Al ternative Descriptions • Al • Alte ternative Descriptions Serves – AHU’s, FCU’s, Terminal Units Design Goals- • Water ter C Cooled ed S Solutio tion • Water ter C Cooled ed S Solutio tion Design- Operate With HWS 200°F & HWR 160°F • Energy A Analysi ysis & & Payba yback -Increased Energy Efficiency • Energy A Analysi ysis & & Payba yback 4- Primary Heating Hot Water Pumps • R Refrig iger erant Cooled ed Solutio tion -Reduced Maintenance Costs • R Refrig iger erant Cooled ed Solutio tion - 310 GPM, 15 Ft. WC. Each. • Energy A Analysi ysis & & Payba yback -Increased Occupant Comfort & Control • Energy A Analysi ysis & & Payba yback 4- Secondary Heating Hot Water Pumps -Improved IAQ & Ventilation - 310 GPM, 115 Ft. WC. Each . • Sustainability Br • S Brea eadth • Sustainability Br • S Brea eadth • Fi Fina nal l Re Recommenda ndations ns -LEED Credits • Fi Fina nal l Re Recommenda ndations ns Existing M ting Mechanic anical S al Summary Presentation Outline Existing M ting Mechanic anical S al Summary General Office Spaces Presentation Outline • P • Project Ba Background TE LAB • P • Project Ba Background • Existin ting M Mechanic ical S Summa mmary Under Floor Air Distribution System (UFAD) • Existin ting M Mechanic ical S Summa mmary • D • Design Objectives Background: 30 % of Total Facility Cooling Load • 9 Custom UFAD AHU’s Ranging Between • Alte • Al ternative Descriptions • D • Design Objectives 22,500- 38,000 CFM System: -20 Vertical Air Flow AHU’s For Cooling • Al • Alte ternative Descriptions • Water ter C Cooled ed S Solutio tion Perimeter Skin System- -2 100% OA AHU’s For Ventilation • Water ter C Cooled ed S Solutio tion • Energy A Analysi ysis & & Payba yback - Narrow Perimeter zone handles only -CRAC Units Provide Cooling Exterior Envelope Heat Gains/Losses. • R Refrig iger erant Cooled ed Solutio tion • Energy A Analysi ysis & & Payba yback Server Loading: • R Refrig iger erant Cooled ed Solutio tion - Perimeter Under-Floor Terminal Units with • Energy A Analysi ysis & & Payba yback -Current Loading (55W/SF) • Energy A Analysi ysis & & Payba yback HW Coils Will provide Perimeter Heating • Sustainability Br • S Brea eadth -All Equipment sized to handle future - Large, Cooling Only Interior Zone Created. • Sustainability Br • S Brea eadth • Fi Fina nal l Re Recommenda ndations ns expansion to (125 W/SF) Perimeter Skin System • Fi Fina nal l Re Recommenda ndations ns Me Mechanical De Depth: pth: Te Lab Existing M ting Mechanic anical S al Summary Presentation Outline Presentation Outline Issue: TE Lab = 30% of Total Facility Cooling Load. • Project Ba • P Background Common Building • P • Project Ba Background • Current Loading: 55 W/SF -1,363 Tons of Cooling • Existin ting M Mechanic ical S Summa mmary • Existin ting M Mechanic ical S Summa mmary • Future Loading: 125 W/SF- 2,613 Tons of Cooling • Design Objectives • D System: - Upper Floor Served By UFAD via RAF • Design Objectives • D Goal: Increase Energy Efficiency in Lab, while • Alte • Al ternative Descriptions - Lower Level Served by VAV System to ensuring future lab loads have ability to be met. • Al • Alte ternative Descriptions accommodate dining, kitchen, fitness & • Water ter C Cooled ed S Solutio tion Locker Room Functions. Design Objectives: • Water ter C Cooled ed S Solutio tion • Energy A Analysi ysis & & Payba yback - Exercise Rooms & Locker Rooms will be • Research/Design A Built-Up Chiller Plant which could • Energy A Analysi ysis & & Payba yback gradually be increased as demand increases • R Refrig iger erant Cooled ed Solutio tion on a separate VAV system & will be ventilated by roof mounted Exhaust • R Refrig iger erant Cooled ed Solutio tion • Design Water Cooled Server Racks to combat the heat • Energy A Analysi ysis & & Payba yback Fans. gain at the source. • Energy A Analysi ysis & & Payba yback • S • Sustainability Br Brea eadth • Design Refrigerant Cooled Server Racks • Sustainability Br • S Brea eadth • Fi Fina nal l Re Recommenda ndations ns • Compare Water vs. Refrigerant Cooled Performance • Fi Fina nal l Re Recommenda ndations ns 2