The weather derivatives market as an instrument of effective risk management is still not flexible enough for many industries. water supply and sewerage industry sensitive primarily to heavy rainfalls periods high low temperatures: days with rainfall may cause a hydraulic overload the systems; on hot days, demand increases significantly; frost pipe failure grows. work aimed summarise methods pr...

The efficiency and economical performance of sewer systems is an essential issue in urban drainage. The need for sewers to carry sediment has been recognized for many years. One of the main problems in designing sewerage systems is the sediment deposition. Sedimentation in sewers occurs regularly according to the alternating natural flow. The present study investigates the hydraulic characteris...