Recycling of the Materials Waste

69 steel instead of wood and by always using the other building materials from natural sources.

4.5.4 Recycling of the Materials Waste

Respondents were asked whether their company recycles material waste. All contractors has also recycled their material wastes. The complete respondents’ responses representing each of the companies are shown in the next table. Table 4.28 Recycling of the Materials Waste Company Response Wijaya Karya Most of the respondents said that their company recycled material waste, such as using steel waste to buildmake another structure ex. the stairs. One of them said the company recycled stone, metal, and other products that are non-toxic, reusable, renewable, andor recyclable e.g. trees, linoleum, sheep wool, panels made from paper flakes etc,. Pembangunan Perumahan Two of the respondents said that their company recycled material waste. Bigger cut of wood would be used for other things such as chair, desk or part of roof. The company also told the employee to use both side of paper in the notebook. Hutama Karya Two of the respondents said that their company recycled material waste according with the specification. Waskita Karya Two of the respondents said that their company recycled material waste whenever possible. The company recycled wood to be made into fertilizer. The other respondents did not know whether their company recycled material waste. Adi Karya Two of the respondents said that their company recycled materials that were not in use anymore. The waste was then sold with the proceeds then used to procure new materials. Others did not answer. The respondents mentioned several methods used by their respective companies to recycle material waste. These methods included using steel waste to buildmake another structure ex. the stairs, recycling the stone, metal, and other 70 products that are non-toxic, reusable, renewable, andor recyclable e.g. trees, linoleum, sheep wool, panels made from paper flakes etc,, using bigger cut of wood to be used for other things such as chair, desk or part of roof, telling the employee to use both side of paper in the notebook to save paper, recycling material waste according with the specification, recycling wood to be made into fertilizer and selling the waste and using the proceeds from it then used to procure new materials.

4.5.5 Materials Selection for the Project