68
4.5.3 Contractors’ Materials Reuse
Respondents were asked whether their company reuses the materials. All contractors has practiced materials reuse. The complete respondents’ responses
representing each of the companies are shown in the next table.
Table 4.27 Contractors’ Materials Reuse
Company Response
Wijaya Karya Most of the respondents said that their company reused the
materials. They cited the reuse of wood material from the company’s project in Solo. One of them said that green
construction must seek ways to reduce waste of energy, water and materials used during construction. Deconstruction can be used as
the method of harvesting what is commonly considered as “waste.
Pembangunan Perumahan
Two of the respondents said that their company reused the materials. It is done mostly by using steel instead of wood.
Hutama Karya Most of the respondents said that their company reused the
materials. Practical ways of reusing material can be seen in the reuse of transformation bar and the collection of waste
reinforcement and formwork.
Waskita Karya Most of the respondents said that their company reused the
materials such as the formwork for concrete work and the wood material which is still proper to be used again.
Adi Karya Most of the respondents said that their company reused the
materials by utilizing formwork wood that is still feasible to use and always using the other building materials from natural
sources.
Most of the respondents said that their company reused the materials. One of them said that green construction must seek ways to reduce waste of energy,
water and materials used during construction. Deconstruction can 9 e used as the method of harvesting what is commonly considered as “waste. Practical ways of
reusing materials can be seen in the reuse of transformation bar and the collection of waste reinforcement and formwork, utilizing formwork wood that is still
feasible to use and the wood material which is still proper to be used again, using
69 steel instead of wood and by always using the other building materials from
natural sources.
4.5.4 Recycling of the Materials Waste