Sewer rehabilitation planning \342\200\223 priority and cost planning using GIS

R. Burkhard & S. G. Lakehal
Rehabilitation priority and cost planning are an important and integral part of urban drainage master planning in Switzerland. Although Entsorgung + Recycling Z\303\274rich (ERZ), the sewer-age utility of the city of Z\303\274rich, has considerable financial means available for the rehabilita-tion of its sewers, it has so far not established a continuous leading role in triggering rehabili-tation projects among the city\342\200\231s utilities departments, which results in a suboptimal qualitative improvement of the sewer network. This was...
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