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论文作者:www.51lunwen.org论文属性:课程作业 Coursework登出时间:2014-07-14编辑:felicia点击率:12245
论文字数:5131论文编号:org201407130954404927语种:英语 English地区:中国价格:免费论文
关键词:delay of projectconstruction industrymethodconstruction industrycategories
摘要:在建筑业,经常会发生项目延误的问题,致使延误的原因有很多,包括有偿延误和无偿延误,如火灾、洪水、老板指示的变化等延误都是可原谅延误。本文通过建筑项目延迟的原因和影响的分析,探索相应的对策和建筑业的发展。
1.3.6 Causes of Equipment Related Delays
Figure 2.8 Factors of Equipment related delays
1.3.6.1 Insufficient number of equipment
According to Ogunlana, et al. (1998) identified the factors of insufficient numbers of equipment is the most significant factors that contribute to causes of delays. In construction stage, contractors are facing not enough machinery to produce work. It is because some of the contractors do not have a large capital to purchase that machinery due to higher cost. Once the projects carry out with not enough machinery, it will influence whole project delay. For instance, there are two works to be done by using towel crane but in site only one towel crane available. Finally, two of work could not be done at the same time due to not enough towel cranes.
1.3.6.2 Frequent equipment breakdown
McCaffer (1998) studied the factors of equipment breakdown as contributors to causes of delays. Ogunlana, et al. (1998) mentioned the factor of frequent equipment breakdown is the most significant factors that contribute to causes of delays. In construction industry, some of the machinery always breakdown due to improper using by worker such as do not follow the instruction. For instance, machinery only can support for five hundred kilograms of material but during worker using that machinery and his carry out six hundred kilograms of material. Finally, the machinery will breakdown. Once machinery breakdown, the work will be stop immediately and affect some work delay. Finally, because of machinery breakdown the whole project will also influence delay.
1.3.6.3 Shortage of Equipment Parts
According to Chan and Kumaraswamy (1996) identified the factor of shortage of equipment parts that contribute to causes of delays. After machinery breakdown, the technical carry out the repair work for the breakdown of equipment. During the same time, some part of machinery none have stock in market. Because of no spare part to repair the machinery, some of the works facing stop progress immediately. Consequently, it will influence whole project to be delay.
1.3.7 Causes of Financial Related Delays
Figure 2.9 Factors of Financial related delays
1.3.7.1 Client’s financial difficulties
According to Chan and Kumaraswamy (1996) identified the factors of client’s financial difficulties as contributor to causes of delays. During the construction, client will face some financial problem arise from unanticipated emergencies or financial mismanagement such as global financial crisis. Besides that, a client proposes a new development without borrow term loan or bridging loan from the bank. On the other hand, improper cost planning is a most serious problem for those clients facing in current delay project. For instance, during pre-construction stage a client do not planning cost properly and he will facing a lot of problem in construction stage such as no enough capital to pay contractor payment. Finally, because of contractor did not receive payment to influence whole project delay.