Presentation is loading. Please wait.

Presentation is loading. Please wait.

Rebecca S. Allen THE PALESTRA BUILDING Optimizing Energy Efficiency of the Palestra Building London, England.

Published byBlanche Hamilton Modified over 9 years ago

Similar presentations

Presentation on theme: "Rebecca S. Allen THE PALESTRA BUILDING Optimizing Energy Efficiency of the Palestra Building London, England."— Presentation transcript:

1 Rebecca S. Allen THE PALESTRA BUILDING Optimizing Energy Efficiency of the Palestra Building London, England

2 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

3 Rebecca S. Allen THE PALESTRA BUILDING Building Background  Occupancy: Multi-Tenant Office Space  Location: London, England  Size: 37,098 m 2 (399,319 ft 2 )  Cost: £68 million  Procurement Type: Design & Build  Projected Completion: July 2006

4 Rebecca S. Allen THE PALESTRA BUILDING Building Background Palestra Buckingham Palace Westminster Abbey, Big Ben Globe Theatre Tate Modern Trafalgar Square, National Gallery

5 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

6 Rebecca S. Allen THE PALESTRA BUILDING  Owner: Blackfriars Investments and Royal London Asset Management  Architect: Will Alsop, Alsop Architects  MEP Engineers: Buro Happold Ltd.  General Contractor: Skanska UK  Structural Engineers: Buro Happold Ltd. Project Team THE PALESTRA BUILDING Andrew Lacey, Structural Engineer *Former Leeds Exchange Student

7 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

8 Rebecca S. Allen THE PALESTRA BUILDING Existing Conditions Architectural Concept  Floating Boxes  ‘Dancing’ Columns  Tilted Facade

9 Rebecca S. Allen THE PALESTRA BUILDING Lighting/Electrical  4MVA substation in basement  Lighting Density: 15 W/m 2  4 – 800 amp, 500kVA busbars service tenant area  Recessed modular flourescent fixtures, fitted with controls for brightness management Structural  Steel construction  Dancing columns  9 m cantilever  10m x 7.5m structural bays Existing Conditions

10 Rebecca S. Allen THE PALESTRA BUILDING Mechanical  (7) 537 kW Air-cooled Screw Chillers  Chilled Water Supply 7ºC  (4) 800 kW Natural Gas-fired Boilers  (7) Constant Air Volume Units coupled with terminal Fan Coil Units Existing Conditions

11 Rebecca S. Allen THE PALESTRA BUILDING Existing Conditions Space Design Conditions Outdoor Air Temperature: WINTER, 4ºC SUMMER, 29ºC DBT 20ºC WBT Internal Air Temperature: 22ºC ± 2ºC, Office Space 18ºC min, Toilets and Stairs Air Movement: WINTER, 0.15 m/s (30 fpm) SUMMER, 0.25 m/s (50 fpm) Relative Humidity: 35-65%, output from FCUs

12 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

13 Rebecca S. Allen THE PALESTRA BUILDING Proposal Replace existing Electric Chiller Plant with Gas Engine Driven Chiller Plant Justification for Proposal  Natural Gas prices  Opportunities for lower building emissions/heat recovery  No base-loaded turbine Chiller Plant Optimization Rebecca S. Allen Utility Rates - London, England Electric Day4.592 p/kWh Night2.658 p/kWh Supply Point Charge55.88 £/month Availability Charge106 p/kVA Gas per unit1.515 p/kWh Water per unit88.85 p/m^3 Fixed cost for connection860 £/year 3 pence difference per kWh at peak

14 Rebecca S. Allen THE PALESTRA BUILDING IC Engine Selection  (5) 200 ton Tecogen Water-Cooled Gas Engine Driven Chillers Chiller Plant Optimization Rebecca S. Allen Electric versus IC Engine Chiller Costs Type Electric Air- Cooled Screw Water-Cooled Engine Driven Cost Per Unit£51,320.00£103,625.00 No. Units75 Total Cost£359,240.00£518,125.00 44% INCREASE IN FIRST COSTS

15 Rebecca S. Allen THE PALESTRA BUILDING Chiller Plant Optimization Trace™ Energy Consumption Data Original Electric SchemeProposed Engine Scheme Monthly Energy ConsumptionEnergy, kWhCost, £Energy, kWhCost, £ Electric20,394,152 kWh£937,840.5612,803,427 kWh£589,274.44 Gas8,288,669 kWh£14,622.228,182,627 kWh£14,435.56 Water-- 4,285 kL£11,325.56 Total Monthly Utility Cost £952,462.78 £615,035.56 First Costs£359,240.00£518,125.00 Total Yearly Consumption69,913,486 kWh 47,027,416 kWh Life Cycle Cost £17,704,689.24 £16,163,972.20 8.7% LCC savings; £337,427 Monthly Savings

16 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

17 Rebecca S. Allen THE PALESTRA BUILDING Proposal Replace existing CAV system with FCUs with Dedicated Outdoor Air System (DOAS) with Suspended Chilled Beams Justification for Proposal  Better humidity control  Lowered first costs  Smaller Duct sizes, reduced costs DOAS Design  Run as a “neutral” system where air is supplied at same temperature as typical VAV system  Total and Sensible Heat Recovery  Additional Sensible Load met by Chill Beams Ventilation Optimization Rebecca S. Allen

18 THE PALESTRA BUILDING AHU Resizing Original SchemeProposed DOAS Scheme% Difference AHU -118977 L/s7644.7 L/s-59.78% AHU -218346 L/s7600.12 L/s-58.57% AHU -32332.7 L/s237.6 L/s-89.81% AHU -43204 L/s280.8 L/s-91.24% AHU -71026 L/s923.5 L/s-9.99% First Cost Savings ExistingProposedSavings AHUs£214,262.00£114,570.0046.53% Chilled Beams--£495,500.00 FCUs£612,643.00--19.12% Ventilation Optimization Chilled Beam Selection Building’s Total Sensible Load: Q total = 1,422,700 W Sensible Load Met by DOAS: Q DOAS = 549,619 W No. Beams per Floor = 72 Total Beams Needed: 718 Halton CLL2/780/4100 Passive Beam

19 Rebecca S. Allen THE PALESTRA BUILDING Ventilation Optimization Table 5.8 Trace™ Energy Consumption Data Original Ventilation SchemeProposed DOAS Scheme Monthly Energy ConsumptionEnergy, kWhCost, £Energy, kWhCost, £ Electric20,394,152 kWh£937,840.5613,608,401 kWh£626,238.89 Gas8,288,669 kWh£14,622.221,242,134 kWh£2,191.11 Water-- Total Monthly Utility Cost £952,462.78 £628,430.00 Total Yearly Consumption69,913,486 kWh 42,136,788 kWh Life Cycle Cost £17,704,689.24 £15,878,842.97 10.3% LCC savings; £324,032 Monthly Savings

20 Rebecca S. Allen THE PALESTRA BUILDING Building Optimization Trace™ Energy Consumption Data Original Scheme Proposed DOAS+Engine Chiller Scheme Monthly Energy ConsumptionEnergy, kWhCost, £Energy, kWhCost, £ Electric20,394,152 kWh£937,840.5612,669,017 kWh£583,102.22 Gas8,288,669 kWh£14,622.222,770,855 kWh£4,888.33 Water-- 19,061 kL£14,794.44 Total Monthly Utility Cost £952,462.78 £602,785.00 Total Yearly Consumption69,913,486 kWh 40,927,536 kWh Life Cycle Cost £17,704,689.24 £15,899.365.13 10.2% LCC savings; £349,677 Monthly Savings

21 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

22 Rebecca S. Allen THE PALESTRA BUILDING Solar Energy Estimated Annual Energy Produced Specific Yield102.4 kWh/m^2 Overall PV System Efficiency10.20% Renewable Energy Delivered19,995 kWh Solar PV Cell Selection BP Solar 5160 S Max Output: 160 W Weight: 15 kg Area Allotted: 100m 2

23 Rebecca S. Allen THE PALESTRA BUILDING Solar Energy RETScreen Cost Summary Total Initial Cost £205,303.00 Total Annual Cost £ 880.00 Total Annual Savings £31,152.00 Simple Payback9.1 years Years to Positive Cash Flow6 years Net Present Value (NPV)£125,778.00 Annual Life Cycle Cost Savings£12,805.00

24 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

25 Rebecca S. Allen THE PALESTRA BUILDING Wind Energy Rooftop Wind Turbine Specifications ManufacturerSWIFT™ Rated Output @ 12.5 m/s1.5 kW CO2 Displacement1.4 tonnes per year Turbine5 blade HAWT wind turbine Rotor Diameter2.12 m Weight95 kg 4.6 m/s 60 W 1500 W 12.5 m/s

26 Rebecca S. Allen THE PALESTRA BUILDING Wind Energy Wind Turbine Costs No. Units10 Clearance Per Unit2.12 m Area Required50 m^2 Total Weight950 kg Initial Investment£15,000 Total Power Output600 W Annual Savings120 kWh Payback Period = £15,000 = 2722 years £5.51

27 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

28 Rebecca S. Allen THE PALESTRA BUILDING RECOMMENDATIONS  Chiller Optimization: Natural Gas Engine Driven Chiller Plant  Ventilation Optimization: Dedicated Outdoor Air System  Building Optimization: Integration of both proposed schemes  Solar Energy: Payback Period 9.1 years  Wind Energy: Payback Period 2722 years Conclusions

29 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

30 Rebecca S. Allen THE PALESTRA BUILDING Acknowledgements  Buro Happold Ltd.: Pirooz Kani  Skanska UK: Adrian Head, Stephen Fox  Blackfriars Investments  Penn State Schreyer Honors College  AE Faculty, especially Prof Ling  AE Class 2006  Friends and Family Pirooz Coworker

31 Rebecca S. Allen THE PALESTRA BUILDING Rebecca S. Allen THE PALESTRA BUILDING Building Background Project Team Existing Conditions Mechanical Redesign Chiller Plant Optimization Dedicated Outdoor Air System (DOAS) Solar Energy Feasibility Study Wind Energy Feasibility Study Conclusions Acknowledgements Questions

32 Rebecca S. Allen THE PALESTRA BUILDING Questions?

Download ppt "Rebecca S. Allen THE PALESTRA BUILDING Optimizing Energy Efficiency of the Palestra Building London, England."

Similar presentations

DOUG BOSWELL MECHANICAL OPTION APRIL 16, 2008 Temple University Tyler School of Art.

DOUG BOSWELL MECHANICAL OPTION APRIL 16, 2008 Temple University Tyler School of Art.
Make the most of your energy Head Office – Case Study.

Make the most of your energy Head Office – Case Study.
Kevin Edstrom Mechanical Option 2011 Senior Thesis April 12 th, 2011 Georgetown University New Science Center Washington, DC.

Kevin Edstrom Mechanical Option 2011 Senior Thesis April 12 th, 2011 Georgetown University New Science Center Washington, DC.
Chilled Beam Presentation

Chilled Beam Presentation
STEM Center Delaware County Community College – Media, PA Thesis Final Presentation Dan Saxton Mechanical Option.

STEM Center Delaware County Community College – Media, PA Thesis Final Presentation Dan Saxton Mechanical Option.
Energy in Focus Energy Savings with Water Based Systems By Maija Virta Specialist of Indoor Environment Technology.

Energy in Focus Energy Savings with Water Based Systems By Maija Virta Specialist of Indoor Environment Technology.
West Virginia University Alumni Center Gregory Smithmyer | Mechanical Option | Penn State University | April 15, 2009 | Advisor: Dr. Srebric.

West Virginia University Alumni Center Gregory Smithmyer | Mechanical Option | Penn State University | April 15, 2009 | Advisor: Dr. Srebric.
Jacksonville, FL The Pennsylvania State University Department of Architectural Engineering Zachary Polovchik Mechanical Option Advisor – Dustin Eplee Duval.

Jacksonville, FL The Pennsylvania State University Department of Architectural Engineering Zachary Polovchik Mechanical Option Advisor – Dustin Eplee Duval.
WESTINGHOUSE ELECTRIC NUCLEAR ENGINEERING HEADQUARTERS DANIEL AUGHENBAUGH - MECHANICAL OPTION Westinghouse Nuclear Engineering Headquarters Daniel Aughenbaugh.

WESTINGHOUSE ELECTRIC NUCLEAR ENGINEERING HEADQUARTERS DANIEL AUGHENBAUGH - MECHANICAL OPTION Westinghouse Nuclear Engineering Headquarters Daniel Aughenbaugh.
Coppin State University Physical Education Complex Kaylee Damico – Mechanical Option April 12 th, 2011 Presentation Outline Project Team Project Overview.

Coppin State University Physical Education Complex Kaylee Damico – Mechanical Option April 12 th, 2011 Presentation Outline Project Team Project Overview.
Presentation Outline Introduction CHP Analysis Electrical Analysis Acoustical Analysis Thermal Storage Analysis System Optimization Analysis Conclusion.

Presentation Outline Introduction CHP Analysis Electrical Analysis Acoustical Analysis Thermal Storage Analysis System Optimization Analysis Conclusion.
Integration of Mechanical System Redesign Geothermal Heat Pump Redesign Wesley S. Lawson Architectural Engineering Mechanical Option Pennsylvania State.

Integration of Mechanical System Redesign Geothermal Heat Pump Redesign Wesley S. Lawson Architectural Engineering Mechanical Option Pennsylvania State.
Building Systems Integration - Energy and Cost Analysis The Milton Hershey School New Supply Center Justin Bem AE Senior Thesis – Spring 2007 Mechanical.

Building Systems Integration - Energy and Cost Analysis The Milton Hershey School New Supply Center Justin Bem AE Senior Thesis – Spring 2007 Mechanical.
Bowie State University Fine and Performing Arts Center Zachary Lippert Faculty Advisor: Dr. Stephen Treado.

Bowie State University Fine and Performing Arts Center Zachary Lippert Faculty Advisor: Dr. Stephen Treado.
PSU Building Thermal and Mechanical Systems Laboratory Environment A/E Kurt M. Shank, M.S. & Stanley A. Mumma, Ph.D., P.E. College of Engineering Department.

PSU Building Thermal and Mechanical Systems Laboratory Environment A/E Kurt M. Shank, M.S. & Stanley A. Mumma, Ph.D., P.E. College of Engineering Department.
The Edward St. John Student Center Zachary Haupt Faculty Advisor: Dr. William Bahnfleth 11 April 2011.

The Edward St. John Student Center Zachary Haupt Faculty Advisor: Dr. William Bahnfleth 11 April 2011.
Auraria Higher Education Center Case Study John Ismert & Frank Ellis Auraria Higher Education Center Facilities Management.

Auraria Higher Education Center Case Study John Ismert & Frank Ellis Auraria Higher Education Center Facilities Management.
North Pocono High School

North Pocono High School
Lawrence Livermore National Laboratory Building 111 Mike Holda Lawrence Berkeley National Laboratory (510) 486-6358 or (209) 835-8150,

Lawrence Livermore National Laboratory Building 111 Mike Holda Lawrence Berkeley National Laboratory (510) or (209) ,
Presentation Outline Introduction System Optimization Analysis Acoustical Breadth Conclusion Acknowledgements Questions Thesis Final Presentation Army.

Presentation Outline Introduction System Optimization Analysis Acoustical Breadth Conclusion Acknowledgements Questions Thesis Final Presentation Army.

Similar presentations

Ads by Google