DIN 1988-8 E : 1988

1 Field of application<br>2 General<br>3 Commissioning of supply systems and instruction of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;operator<br>4 Principles of operation<br>5 Interruptions to operation and disconnection<br>6 Resumption of supply<br>7 Damage and faults<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.1 Changes in water quality<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.2 Insufficient water supply<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.3 Flow noise<br>8 Alterations and extensions<br>9 Modernization<br>10 Accessibility of fittings and appliances<br>11 Maintenance<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.1 Safety devices and backflow prevention devices<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.2 Pipes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.3 Water meters<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.4 Other installations and system components<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.5 Maintenance contract<br>12 Inspection and maintenance<br>Appendix A - Inspection and maintenance procedures<br>Appendix B - Inspection and maintenance schedule<br>Appendix C - Specimen report for the commissioning of a <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;drinking water supply system and instruction <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of its operator

Specifies requirements for and gives recommendations on the operation and maintenance of drinking water supply systems ('supply systems', for short). Compliance with these requirements will enable the operator to meet this contractual obligations as stipulated in the Verordnung uber Allgemeine Bedingungen fur die Versorgung mit Wasser (German Regulation on general conditions for water supply) and to fulfil his legal duties with respect to the safety of his premises and operation.