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Estimation Method of Waste Amount from Materials to Develop Generation Rates of Construction Waste in New Apartment Construction Sites: Focused on Bill of Quantities for Architectural Works
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 Title & Authors
Estimation Method of Waste Amount from Materials to Develop Generation Rates of Construction Waste in New Apartment Construction Sites: Focused on Bill of Quantities for Architectural Works
Jung, Jong-Suk; Song, Sang-Hoon; Park, Seong-Sik; Lee, Seok-Je;
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 Abstract
The amount of new apartment construction has been trending upward in 3~4% each year since 11% increase in 2002. Currently, in public apartment construction sites under separate delivery system for construction waste processing, the significant difference between estimated quantity for contract and actual amount frequently causes severe controversy among project participants. Many factors such as poor environmental management, inadequate contractual amount are assumed to influence the above problem, and the requirement to revise existing generation rates, the key criteria applied in estimating the quantities of waste, is increasing. Most of generation rates were established in early 2000's, and have difficulty in reflecting the changes from new materials and technologies accordingly. Therefore, this study aims to clarify the types of construction waste for each trade and the forecast method as preliminary work in order to develop more accurate generation rates for construction waste in new construction. To achieve this purpose, the architectural bills of quantities in ten apartment projects executed during 2010~2013 were collected, and the possible waste types and reasonable material loss ratio for each item from temporary works to owner-supplying material area were defined and compared through the workshops and interviews with the experts and on-site environmental managers. The results of this study will contribute to establishing the categories of construction waste for construction trades and proper generation rates by the indirect estimation method in new apartment construction in the follow-up study.
 Keywords
New Apartment Construction;Construction Site;Trade;Bill of Quantities;Loss Ratio;
 Language
Korean
 Cited by
 References
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