Module 3 - Facility life cycles ethics and the client.pdf

Module 3 - Facility life cycles ethics and the client.pdf -...

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2/1/2017 1 CET 355 Sustainable Building Practices PART 1 WHAT IS SUSTAINABLE BUILDING AND WHY SHOULD ENGINEERS CARE ABOUT IT? Facility life cycles and sustainable buildings & Ethics – working with what you’ve got and the client January 23, 2017 The 5 key concepts that you will see repeated Sustainable Development framework Management of the Facility Life Cycle Engineering Professional Ethics Material Life Cycle High Performance Building Guidelines 2
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2/1/2017 2 Facility life cycles and sustainable buildings Course Topic Facility Life Cycle (DVA, 2016)
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2/1/2017 3 Compare to Life Cycle of Building Materials (NTHP, 2011) Facility Life Cycle Plan decide what function is needed (includes Quality & Quantity) Design how to provide the function within constraints Construct translate the design into real form Commission/Activate often considered part of construction Operate and Maintain - includes the incidental actions to keep the building functioning Utilities Housekeeping (including consumables like filters, lightbulbs, etc.) Landscaping maintenance Repair, rehabilitate to restore original function Modernize, renovate to add new function Replace, Restore to restore original CONDITION and function Dispose, Demolish, Deconstruct to restore the land to its original use or prepare it for other use Repeat
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2/1/2017 4 Facility Life Cycle – Condition “quality” (from Grussing, 2012) Inspections are important to show if you’re on the curve Repair doesn’t restore original degradation rate More time at higher condition Worth the cost? Facility Life Cycle Sustainable Build the building to last Consider O&M, repairs, restoration, disposal, and function change Ways to minimize disruptions by repairs and function change (redundancies) Recyclable materials Deconstructible assemblies Minimize custom pieces Open floor plans? Room to grow space in electrical panels, conduit, piping, site space, etc. Services capacity to grow? Use commissioning period to ensure you’re starting right Recommissioning can be a repair goal
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2/1/2017 5 Embodied Energy The Greenest Building Building Embodied Energy What are services? Mechanical, Electrical, Plumbing (MEP) HVAC Conveyance Source: Cole and Kernan, 1996 10
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2/1/2017 6 Renovation and of Building Materials - Can minimize or eliminate some impacts Reuse More on Embodied Energy Life Cycle Analysis Comparison of Initial to Recurring Embodied Energy for Wood Structure Building Over a 100-Year Lifespan [Cole and Kernan, 1996]. 12
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2/1/2017 7 NTHP Tagline: “The Greenest Building is the one that’s already built” Carbon footprint is already there Environment was already disturbed and has recovered Social impacts of construction (esp. Noise and Traffic) are done Social benefit of historical buildings and “landmarks” Economics of removal, disposal, and reconstruction
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