Green Building and LEED Core Concepts Guide First Edition

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British thermal unit (Btu) the amount of heat required to raisethetemperatureofonepound ofliquid water from 60° to 61° Fahrenheit. This standard measure of energy is used to describe the energyconrenr offuels and compare energy use. brownfield real property whose use may be complicated by the presence or possible presence of a hazardous substance, pollutant, or contaminant. building density the floor area of the building divided by the total area of the site (square feet per acre). bui Idi ng envelope the exterior surface of a building-the walls, windows, roof, and floor; also referred to as the building shell. build ing footprint the area on a project site that is used by the building structure, defined by the perimeter of the building plan. Parking lots, landscapes, and other nonbuilding facilities are not included in the building footprint. byproduct material, other than the principal product, generated as a consequence of an industrial process or as a breakdov,m product in a living system. (EPA) carbon footprint a measure of greenhouse gas emissions associated with an activity. A comprehensive carbon footprint includes building construction, operation, energy use, buildingrelated transportation, and the embodied energy of water, solid waste, and construction materials. chiller a device that removes heat from a liquid, typically as pan of a refrigeration system used to cool and dehumidify buildings. commissioni ng (CX) the process of verifying and documenting that a building and all of its systems and assemblies are planned,designed, installed, tested, operated, and maintained to meet the owner's project requirements. comm ission ing plan a document that outlines the organization, schedule, allocation of resources, and documentation requirements of the commissioning process. commissioning report a document that details the commiSSioning process, including a commissioning program overview, identification of the commissioning team, and description of thc commiSSioning process activities. compact fluorescent lamp (CFL) a small fluorescent lamp, usedasa more efficient alternative to incandescent lighting; also called a PL, twin-tube, or biax lamp. (EPA) construction and demolition debris waste and recycJablesgenerated from construction and from the renovation, demolition, or deconstruction of existing structures. It does not include land-dearing debris, such as soil, vegetation, and rocks. 70 Green Building and LEED Core Concepts Guide
construction waste management plan a plan that diverts construction debris from landfills through recycling, salvaging, and reuse. contaminant an unwanted airborne element that may reduce indoor air quality (ASHRAE Standard 62.1-2007). cool i ng tower a structure that uses water to absorb heat from air-conditioning systems and regulate air temperature in a facility. day I ighting the controlled admission of natural light into a space, used to reduce or eliminate electric lighting. dry ponds excavated areas that detain stormwater and slow runoff but arc dry between rain events. Wet ponds serve a similar function but arc designed to hold water all the time. ecosystem a basic unit of nature that includes a community of organisms and their nonliving environment linked by biological, chemical and physical processes. energy-efficient products and systems building components and appliances that use less energy to perform as well as or better than standard products. energy management system a control systemcapableofmonitoringenvironmcntal and system loads and adjusting HVAC operations accordingly in order to conserve energy while maintaining comfort. (EPA) ENERGY STAR* rating a measure of a building's energy performance compared with that of similar buildings, as determined by the ENERGY STAR Portfolio Manager. A score of So represents average building perfom1ance. envi ronmental sustai nability long-term maintenance of ecosystem components and functions for future gencrations. (EPA) flush-out the operation of mechanical systems for a minimum of two weeks using 100 percent outside airat the end of construction and prior to building occupancy to ensure safe indoor air quality. fossi I fuel energy derived. from ancient organic remains, such as peat, coal, crude oil, and natural gas. (EPA) graywater domestic wastc\vater composed ofwasb water from kitchen, bathroom, and laundry . sinks, tubs, and washers. (EPA) The Uniform Plumbing Code ( UPC) defines graywater in its Appendix G, "Gray Water Systems for Single-Family Dwellings", as "untreated household waste water which has not come into contact with toilet waste. Graywater includes used water from bathtubs, showers, bathroom wash basins, and water from clothes-washer and laundry rubs. It Glossary 71
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o D y Green Building and LEED Core
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Purchase agreement and license to u
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".""",," Green building is an integ
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The green building movement strives
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THINK ABOUT IT The future of the bu
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components, from their extraction,
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Project Case Study Dockside Green .
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The study concluded that the federa
Page 17 and 18: • "Costing Green: A Comprehensive
Page 19 and 20: LEADERSHIP IN ENERGY AND ENVIRONMEN
Page 21 and 22: The LEED rating systems address the
Page 23 and 24: The credit weightings are based on
Page 25 and 26: Carbon Footprint Building Systems .
Page 27 and 28: necessary permits) to the completio
Page 29 and 30: Assessments and Measurements To eva
Page 31 and 32: The drivers of transportation impac
Page 33 and 34: THINK ABOUT IT Electric cars and ne
Page 35 and 36: THINK ABOUT IT Regenerative design.
Page 37 and 38: Primary Resources: Low-I mpact Deve
Page 39 and 40: Americans' use of the limited publi
Page 41 and 42: Strategies for reducing indoor wate
Page 43 and 44: THINK ABOUT IT Green lawns and gree
Page 45 and 46: AND AlMOS Energy has emerged as a c
Page 47 and 48: Strategies for redu cing energy dem
Page 49 and 50: • Use thermal energy storage. Gen
Page 51 and 52: To achieve LEED certification, new
Page 53 and 54: Primary Resources: Cost-Effectivene
Page 55 and 56: Assessments and Measurements • Ra
Page 57 and 58: LIFE-CYCLE IMPACTS LEED increasingl
Page 59 and 60: ENVIRONMENTAL According to the EPA,
Page 61 and 62: INDOOR AIR QUALITY Protecting indoo
Page 63 and 64: • "Daylight and Retail Sales" (Ca
Page 65 and 66: Innovative strategies expand the br
Page 67: ac id ra in the precipitation of di
Page 71 and 72: pollutant any substance introduced
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