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Passive Sustainability for Existing Buildings
- 1. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE PASSIVE SUSTAINABILITY FOR EXISTING BUILDINGS GERALD MOORHEAD FAIA
- 2. “GULF COAST GREEN2013 - USGBC” is a Registered Provider with The American Institute of Architects Continuing Education Systems (AIA/CES). Credit(s) earned on completion of this program will be reported to AIA/CESfor AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request. This program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.
- 3. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE PASSIVE SUSTAINABILITY FOR EXISTING BUILDINGS SUSTAINABILITY WITH LESS “TECHNOLOGY” EXISTING BUILDINGS, DEPENDING ON AGE AND CONSTRUCTION SYSTEMS, CONTAIN MANY ASPECTS OF SUSTAINABILITY THAT MAKE THEM MORE ECONOMICALLY VIABLE THAN NEW CONSTRUCTION. COURSE SUMMARY
- 4. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE 1. IMPERATIVE FOR CONSERVATION OF EXISTING BUILDINGS AND EMBODIED RESOURCES. 2. INHERENT CHARACTERISTICS OF EXISTING BLDGS. 3. TAKE ADVANTAGE OF INHERENT CHARACTERISTICS FOR PASSIVE SUSTAINABILITY LEARNING OBJECTIVES
- 5. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE “THE GREENEST BUILDING IS … ONE THAT IS ALREADY BUILT.” CARL ELEFANTE, FAIA, QUINN/EVANS ARCHITECTS EMBODIED ENERGY AND CARBON IN EXISTING CONSTRUCTION AND MATERIALS: A 50,000 SF COMMERCIAL BUILDING IS EQUAL TO 80 BILLION BTU’S OF ENERGY, THE EQUIVALENT OF 640,000 GAL. OF GASOLINE, AT $3.75/GAL. = $2,400,000 = $48/SF IF AN EQUIVALENT NEW BUILDING COSTS $200/SF, THE EXISTING BUILDING WOULD BE 25% MORE ECONOMICAL
- 6. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE “THE GREENEST BUILDING IS … ONE THAT IS ALREADY BUILT.” CARL ELEFANTE, FAIA, QUINN/EVANS ARCHITECTS EXISTING BUILDINGS OUTNUMBER NEW BUILDINGS IN THE US BY 100 TO 1
- 7. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE “THE GREENEST BUILDING IS … ONE THAT IS ALREADY BUILT.” CARL ELEFANTE, FAIA, QUINN/EVANS ARCHITECTS EXISTING BUILDINGS OUTNUMBER NEW BUILDINGS IN THE US BY 100 TO 1 A GSA STUDY IN 1999 FOUND THAT UTILITY COSTS ARE 27% LESS FOR HISTORIC BUILDINGS THAN FOR NEW BUILDINGS
- 8. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE “THE GREENEST BUILDING IS … ONE THAT IS ALREADY BUILT.” CARL ELEFANTE, FAIA, QUINN/EVANS ARCHITECTS EXISTING BUILDINGS OUTNUMBER NEW BUILDINGS IN THE US BY 100 TO 1 GSA STUDY IN 1999 FOUND THAT UTILITY COSTS ARE 27% LESS FOR HISTORIC BUILDINGS THAN FOR NEW BUILDINGS “LONG LIFE / LOOSE FIT.” BUILDINGS CAN LAST A LONG TIME IF THEY ALLOW FOR CHANGING USES. STEWART BRAND, 1994
- 9. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE “THE GREENEST BUILDING IS … ONE THAT IS ALREADY BUILT.” CARL ELEFANTE, FAIA, QUINN/EVANS ARCHITECTS EXISTING BUILDINGS OUTNUMBER NEW BUILDINGS IN THE US BY 100 TO 1 GSA STUDY IN 1999 FOUND THAT UTILITY COSTS ARE 27% LESS FOR HISTORIC BUILDINGS THAN FOR NEW BUILDINGS “LONG LIFE / LOOSE FIT.” BUILDINGS CAN LAST A LONG TIME IF THEY ALLOW FOR CHANGING USES. STEWART BRAND, 1994 AND IT’S NOT JUST THE BUILDING: DON’T FORGET THE LAND. IT IS ALREADY IN USE.
- 10. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE WHAT IS AN EXISTING BUILDING? 1. OVER 50 YEARS OLD – “HISTORIC”
- 11. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE WHAT IS AN EXISTING BUILDING? 1. OVER 50 YEARS OLD – “HISTORIC” 2. 50 – 30 YEARS OLD – POSSIBLY BUILT W/O AC
- 12. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE WHAT IS AN EXISTING BUILDING? 1. OVER 50 YEARS OLD – “HISTORIC” 2. 50 – 30 YEARS OLD – POSSIBLY BUILT W/O AC 3. LESS THAN 30 YEARS OLD – PROBABLY BUILT WITH AC IN HOUSTON, 1980 IS A KEY TURNING POINT FOR OUR ENVIRONMENT: BEFORE 1980, SOME PLACES WHERE AIRCONDITIONED. AFTER 1980, EVERYPLACE WAS EXPECTED TO BE AIRCONDITIONED: BUILDINGS, HOMES, CARS
- 13. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE PASSIVE SUSTAINABILITY VALID FOR ALL PROJECTS, NEW AND EXISTING BUILDINGS PASSIVE APPROACHES MAY BE LESS EXPENSIVE TO BUILD PASSIVE SUSTAINABILITY TAKES ADVANTAGE OF THE CHARACTERISTICS OF AN EXISTING BUILDING, HISTORIC OR OTHERWISE, TO CREATE A HABITABLE ENVIRONMENT USING AS FEW NATURAL AND MAN-MADE RESOURCES AND ACTIVE SYSTEMS AS POSSIBLE.
- 14. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE ORIENTATION Houston @ 29 45’ 0” N NS W E 21 JUNE 21 DEC
- 15. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE ORIENTATION Houston @ 29 45’ 0” N N E S W
- 16. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE NATURAL VENTILATION WIND DRIVEN CROSS-FLOW + VENTURI EFFECT BUOYANCY DRIVEN CHIMNEY OR STACK EFFECT
- 17. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE NATURAL VENTILATION DOUBLE HUNG WINDOW ATTIC FAN
- 18. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE NATURAL VENTILATION HOUSTON 1912 CITY LIMITS CITYLIMITS
- 19. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE DAY LIGHTING
- 20. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE ROOFS WALLS WINDOWS WOOD MASONRY GLASS
- 21. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE HEAT GAIN ON ROOFS, WALLS, WINDOWS SUMMER SUN ON ROOF AND WALLS WINDOW / WALL RATIO
- 22. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE INSULATION INSULATION
- 23. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE WALL TYPES SOLID MASONRY VENEER MASONRY WOOD FRAME
- 24. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE LOAD BEARING MASONRY
- 25. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE LOAD BEARING MASONRY
- 26. GULF COAST GREEN2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE SUMMATION 1. Understand the site and climate Orientation Natural ventilation 2. Investigate low-tech practices used in periods before dependence on electricity and mechanical systems Natural ventilation Material selection Day lighting 3. Evaluate building systems and materials to control heat gain Roof construction Exterior wall construction: amount of wall, amount of openings, resistance to moisture & heat penetration Windows: orientation for ventilation, lighting Local materials: durability, availability
- 27. This concludes TheAmerican Institute of Architects Continuing Education Systems Course GULF COAST GREEN 2013 CREATE(D) HISTORY: LEARNING FROM THE PAST TO GUIDE THE FUTURE FIN
Editor's Notes
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