We propose the development of a database where general

characteristics of the system can be stored, experience with the

system can be shared and monitoring results stored. Information that

will be collected consists of costs (for both preparation, construction

and maintenance), technical effectiveness (by means of monitoring),

feedback from local residents, feedback from managing parties. In

addition, general characteristics of the system and location are

described. This can become a separate tab

on the Rainproof site. The database

serves as a decision support

system. The starting point of this

database is the Excel sheet

information on pilots and