Pub. date: 2011 | Online Pub. Date: May 04, 2010 | DOI: 10.4135/9781412973816 | Print ISBN: 9781412996822 | Online ISBN: 9781412973816| Publisher:SAGE Publications, Inc.About this encyclopedia
Construction and Demolition Waste
Oyeshola Femi Kofoworola
Construction and demolition (C&D) is one of the many types of waste streams that include municipal waste (household wastes), shipping and boating waste, and commercial/industrial waste. C&D waste is the waste produced during new construction, renovation, and demolition of buildings and structures. This includes building materials such as bricks, plastics and vinyl, carpet, brick and rubble, glass, metal, asphalt roofing, concrete, damaged wood, scraps of insulation, nails, electrical wiring, and rebar, as well as waste originating from site preparation such as dredging materials, and tree stumps. C&D waste may contain lead, asbestos, or other hazardous substances. For example, C&D wastes such as plasterboard are hazardous once broken down in landfill as they release hydrogen sulfide, a toxic gas. It has been estimated that C&D waste accounts for from 10 percent to as much as 30 percent of the total municipal waste stream. More specific research has also attempted to estimate ...