energy savings and sustainability
Transcription
energy savings and sustainability
University of Calgary Taylor Family Digital Library a LEED® building Presented by Jim Sawers & Rana McLean Campus Engineering December 2010 Living in a LEED Building Orienta)on Outline • U of C energy/sustainability ini)a)ves • Environmental impact of buildings • What is LEED ® • LEED® in TFDL • Living in a LEED® Building • Hea)ng • Ven)la)on and Air Condi)oning • Ligh)ng Living in a LEED Building UofC Energy / Sustainability Ini)a)ves • www/ucalgary.ca/sustainability • Cogenera)on in CHCP • New buildings – LEED Cer)fica)on • Energy reduc)on in exis)ng buildings • Ligh)ng Retrofits • Motor Efficiency • Green‐up (35) • Building Envelope Audits (22) Living in a LEED Building Environmental Impact of Buildings* Living in a LEED Building De facto Standard/Guideline • Define “green” by providing a standard for measurement • Prevent “greenwashing” (false or exaggerated claims) • Transform the marketplace! • For more informa)on go to; – www.cagbc.ca – www.usgbc.org Living in a LEED Building Why Would U of C build LEED Buildings? 1. The University of Calgary, as a publicly funded ins)tu)on, has a pivotal role to play in providing leadership in sustainability. 2. Investments in high performance LEED® buildings provides: 1. Reduced long term operaHng costs. 2. Improved indoor environments which enhance learning and produc)vity. 3. Research and teaching opportuni)es for our faculty and students. Living in a LEED Building Living in a LEED Building Taylor Family Digital Library General Sustainable Features • 100% green power • mesh panels act as large sun shades, saving energy by reducing heat load and reducing glare on work surfaces and digital screens. • Storm water management • Water efficient landscaping • Over 50% energy savings compared to a reference building • 48% water use reduc)on compared to a reference building • Displacement venHlaHon throughout building • All low‐emifng materials • Use of >10% regional materials • Use of >7.5% recycled content • Diverted >75% of Contrac)on Waste • Green housekeeping • All furniture is green guard Living in a LEED Building Taylor Family Digital Library Water Use • Water conservaHon & reuse 48% saving Living in a LEED Building Taylor Family Digital Library Occupant Comfort • VenHlaHon Displacement/Underfloor Living in a LEED Building Living in a LEED Building Taylor Family Digital Library Occupant Comfort • HeaHng, VenHlaHon and Air‐CondiHoning – VenHlaHon • CO2 sensors regulate the supply of fresh outside air • The building has been flushed with outside air for a minimum of two weeks – Temperature Control • Hea)ng –perimeter radia)on • Cooling – floor diffusers • Local adjustable thermostats in the office areas – Programmed between 18°C hea)ng and 24°C cooling • Local thermostats with remote adjustments in common areas – Programmed to 21°C • Relocate/add floor diffusers Living in a LEED Building Taylor Family Digital Library Occupant Comfort • LighHng – Automa)c occupied ‐ unoccupied schedule for ligh)ng – Extensive daylighHng – Occupancy sensors turn on/off lights when a room is occupied/unoccupied – Occupancy sensors turn on/off lights when book shelf isles are occupied/ unoccupied – Dimmers allow ligh)ng levels to be manually altered in meeHng rooms – LED task ligh)ng with occupancy sensors Living in a LEED Building Taylor Family Digital Library Living in a LEED® Building If concerns contact; (a) Your manager, or (b) Jackie Bell (403) 220‐6616 bell@ucalgary.ca Living in a LEED Building Ques)ons Living in a LEED Building