Method for determining intake-quantity in sewage network, involves flow-measurement of infiltration whereby intake-quantity is measured across ventilation openings of sewage manhole

摘要

The method involves measurement of intake-quantity in sewage network. The precipitation related portion of infiltration is measured by flow-measurement across the ventilation openings of the sewage manhole in the sewage network. An INDEPEDENT CLAIM is also included for the device for flow-measurement.