Various waste, from municipal waste down, are carried into final disposal place and reclaimed via collection and volume reduction process (such as incineration and crushing). Recently, it becomes very difficult to secure new place for waste disposal, and therefore extended life of disposal place becomes important issue. Meanwhile, environmental maintenance of disposal place and utilizing plan of reclaimed place is important theme which is related to securing disposal place. In order to achieve this purpose, proper maintenance of reclaiming management as well as consideration during design and construction stage for disposal place is essential. Kobe Steel Ltd. has developed the reclaiming management system utilizing computer system in response to these subjects and to improve reclaiming management in quality. We will introduce them hereinafter.

[Purpose]

1) To build a database of carried-in waste in order to enforce qualitative management of carried-in waste and to prevent from carrying hazardous and/or dangerous substance into disposal place.

2) To lay stable foundation by carrying waste by design and to generate and store a database for management of reclaiming status, so that required data can be retrieved on request.

3) To increase effectiveness of environmental maintenance by total management of water flow such as exuding filthy water, rainwater, subterranean water and so on.

[System Configuration]

The system consists of l) Management System for Carrying in, 2) Reclaiming Management System, 3) Environment Monitoring System.
The system has been designed taking account of 1) Easy operation and 2) Graphical user interface.

[Function and Effect]

1) Management System for Carrying in
The function of this subsystem is as follows;
(l) Registration of carrying vehicles, (2) Weighing of carrying waste, (3) Calculation of charge, (4) Destination Guidance for carrying vehicle, (5) Summary Report of Charge collection by operator

The effect derived from this subsystem is as follows;
(1) Carrying vehicles are coded and a passport with code is given to the driver of carrying vehicle.
At the booth, it will be shown to an operator and will be checked up if the carrying waste is appropriate. Thus any inadequate substances can be prevented from being carried in.

(2) Referring the database of carrying waste, the amount of carrying waste can be forecasted every day of the week and every month, and thus a reclaiming plan can be properly generated.

(3) With the database stored for the long term, the composition table of carrying waste every year, the carrying status every month and every year can be displayed in a graph and therefore the transition of the amount of carrying waste can be easily comprehended.

(4) Based on the reclaiming plan, a carrying vehicle will be directed to the proper reclaiming bed. In addition, according to the current status of the operation in each bed, optimum vehicle dispatching control will be done to avoid many vehicles coming together at the same bed.

2) Reclaiming Management System
This subsystem consists of five functions shown below.
(1) Entry of topographical map, (2) Entry of temporary topography, (3) Display of topographical map, (4) Reclaiming scheduling, (5) Cell management

The ground plan, the cross section and the bird's-eye view of the current topography of reclaimed land for garbage disposal will be displayed on the CRT screen. By comparing these screens, the current reclaiming status can be comprehended. The sample screens are shown below.

Fig.l Bird's-eye view

Fig.2 Ground plan

Fig.3 Cross section

3) Environment Monitoring System

The weather observation instruments, the water quality measuring instruments and so on installed in the reclaimed place for waste disposal are connected each other through the communication line and thus the component of generated gas, the quality of subterranean water and so on are automatically entered into the system through the network according to the progress of reclaiming. Therefore the change of water quality can be quickly detected and consequently the environmental maintenance can be achieved.