漁業集落排水施設の老朽化診断と対策

抄録

The main function of the sewerage facilities of fishing village are purification and collection of sewage. The lifespan of mechanical or electrical equipment that make up the sewerage facilities is 15-20 years and short. With the increase of in-service life of sewerage facilities, the increase in repair costs by the trouble is remarkable. In view of the LCC (Life Cycle Cost), the shifts from "breakdown maintenance" to "preventive maintenance" are very essential. Several researches to establish consolidate the systems of drawing the function maintenance plan of sewerage facilities have been carried out since 2011. Based on the knowledge obtained through these established plans, the important matters of the function maintenance plan of sewerage facilities have been shown in this paper.