Competitions
Hydraulic calculation, Naval base Germany
Excessive trihalomethane values and plant regrowth in the drinking water at the piers were found.
The Central Institute of the Sanitary Service of the German Federal Armed Forces in Berlin had complained about excessive trihalomethane values and plant regrowth in the drinking water at the piers. The cause for this problem is the delivery of water containing organic substances and its subsequent chlorination to prepare it for longer dwell times. Seasonal changes of temperature lead to increasing values in summer. Here in some cases the limit values were exceeded. A discontinuous consumption of drinking water from the spur lines at the piers and longer dwell times had also caused inadmissibly high bacterial counts. The task was to restore the drinking-water network in the naval base Hohe Düne and to adapt the pipe cross-sections to the current respectively expected demand in order to reduce dwell times in the pipe network on the one hand and to increase the flow rate on the other hand.
Scope of services rendered
- registration of the pipe network in its entirety and elaboration of a layout, line and junction plan
- calculation of the present system and analysis of pressure, dwell and flow rate
- investigation of alternatives including hydraulic calculation for each alternative
- optimizing of the existing pipeline network
- check of dwell times in the optimized drinking-water network
- assessment of the results with regard to the expected water quality