![]() ![]() ![]() Afterwards, the cause of each wasting, namely the workers inspected are less skilled, the bad quality of goods given by the suppliers, the owner procedures which require workers await the instruction before working, material loading-unloading and distribution process is too slow, a complicated bureaucratic system and unclear information. They are the field inspection, the purchase of one type material in different suppliers, awaiting the instruction of the owner, the delay of the material transportation, the purpose of approval or additional signature, clarification needs, awaiting the instruction of the superior. It had been found 7 types of wasting which often occurs. Field observation is aimed to create a value steam mapping of construction logistic process. ![]() Second stage are questionnaire which determine waste causes. Data raising by questionnaire is done in 2 stages, first stage is questionnaire which identify wastes. Construction logistics process hides some non value added activities which are difficult to avoid, those activities have extended leading time which are not only cause the delay of the project completion, but also spend more production expenses that effect to the profit itself.ĭata rising by questionnaire is conducted in 22 qualified contractors around Denpasar with 3 respondents in each contractor. ![]()
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