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A job description or JD is a written narrative that describes the general tasks, or other related duties, and responsibilities of a position. It may specify the functionary to whom the position reports, specifications such as the qualifications or skills needed by the person in the job, information about the equipment, tools and work aids used, working conditions, physical demands, and a ...
Additionally, the EPA has categorized Construction and Demolition (C&D) waste into three categories: non-dangerous, hazardous, and semi-hazardous. [1] Of total construction and demolition (C&D) waste in the United States, 90% comes from the demolition of structures, while waste generated during construction accounts for less than 10%. [2]
Deconstruction creates 6-8 jobs, for every job created by traditional demolition. [5] [6] In addition, solid waste from conventional demolition is diverted from landfills. This is a major benefit because construction and demolition waste accounts for approximately 20% - 40% of the solid waste stream. [7] [8] 90% of this construction and
Demolition (also known as razing, cartage, and wrecking) is the science and engineering in safely and efficiently tearing down buildings and other artificial structures. Demolition contrasts with deconstruction, which involves taking a building apart while carefully preserving valuable elements for reuse purposes.
"50 Divisions" is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the United States and Canada. [5] Standardizing the presentation of such information improves communication among all parties.
Demolition waste is waste debris from destruction of buildings, roads, bridges, or other structures. [1] Debris varies in composition, but the major components, by weight, in the US include concrete , wood products, asphalt shingles , brick and clay tile, steel, and drywall. [ 2 ]
The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.
House demolition by an excavator in Invermere, British Columbia. Excavators are used in many ways: Digging of trenches, holes, foundations; Material handling [6] Brush cutting with hydraulic saw, mower, and stump removal attachments; Forestry work; Forestry mulching; Demolition with hydraulic claw, cutter and breaker attachments