Abstract

The Subsidy Regulation for High-cost Sewerage Works has provided the effectuation of a great number of sewerage projects since the official start in 1980. All in total 284 local projects have been subsidized during the period 1980 until 1984. The governmental institute "Rijksinstituut voor Drinkwatervoorziening" (RID) was involved during the preparation and execution phase of each project. All technical and financial aspects as well as hydraulic calculations of the complete local sewerage systems have been checked. Results were laid down in reports, prepared for each project and in different stages. In these reports advice was given to the Ministry of Public Health and Environmental Pollution. During this exercise data on 271 projects were worked out in such form that various aspects could be presented in the final report. The intensive involvement of the RID made it possible to provide a solid argumentation and formalisation of a communal sewerage policy.