Previous situation

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Training of the managers and employers about waste management is unarguably the first and the most important stage of the waste management. For this reason our practice study started by informing the managers and workers about the wastes and their hazards, threats of wastes on human health and environment, and management of wastes. A visit was paid to the shipyard in order to see the general situation of the shipyard before the application of BMP. Safety issues, threats to workers' health and environmental risks were obtained. Scrap metal sheets and used paint boxes were lying around the production area (see Fig. 39.4); the used grid blasting abrasives were not removed from the area. Also welding workers were not using necessary protective equipment during their work. When production processes such as painting and blasting, which are main cause of waste and pollutants, were observed, it was seen that there was no waste management policy of the shipyard. As a first step for waste management, a waste material billboard (see Fig. 39.5) was located in the shipyard where workers could easily see.

All different wastes and residual materials were planned to be collected in a segregated area/container. The separation of process wastes from blasting, welding, and painting is observed as a main problem in waste flow. For instance, flammable, combustive, and hot waste materials should be kept separate due to the risk of fire.

Fig. 39.4 Randomly collected wastes from the production area.

Used Paint Cans Used Paint Equipment Contaminated Solvent

Waste Solvent cans Thinner cans Used lubricant

WASTE MANAGEMENT BLUE GREEN

Used Grid Grid dust

GRAY

Waste metal Packaging waste

Waste pipes Waste Used grid bags Plastic electrodes waste

Not contaminated Glass waste metallic wastes

Figure 39.5 Waste material description according to the color codes. 39.2.7.2 Current situation

There are containers with different colors situated in suitably chosen places in the docking area. The meaning of all colors is explained in Fig. 39.5. Although all workers are trained to get familiar with BMP, due to the busy traffic of different production processes going on mutually, it is a difficult task to make workers change their habits as to waste management. However, it is good to see in the shipyard that the workers know what to do with wastes. They are also aware of cleaning methods for the production area and of delivering the wastes to the related containers. Figure 39.6 shows waste container management system for production wastes in docking area. The difference between Fig. 39.4 and Fig. 39.6 and Fig. 39.7 is the success of BMP project, which is achieved by correctly explaining the problems to the related people.

Fig. 39.6 The production area is organ- Fig. 39.7 Waste container management sys-

ized with waste container management. tem for production wastes in docking area.

Fig. 39.6 The production area is organ- Fig. 39.7 Waste container management sys-

ized with waste container management. tem for production wastes in docking area.

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