CEN/TR 13930:2009 (edition 2)

1.1This technical Report contains recommendations for the design of pump intakes and the installation of pumps.As far as possible, these recommendations should be adhered to in order to obtain correct operation of the plant.These recommendations are applicable regardless of the flow rate of the plant:plant which works with clear water (or relatively unclouded) and relatively non-aerated water or any other liquid having physical and chemical properties which are similar to those of water;NOTEThis document nevertheless contains several general recommendations for operation with cloudy (or very cloudy) water.pumping plant which has its own floor.1.2This document deals with various intake configurations:Clause 3 contains recommendations which apply to intakes with vertical suction inlet;Clause 4 contains recommendations applicable to intakes with top suction inlet;Clause 5 contains recommendations applicable to intakes with floor suction inlet;Clause 6 contains recommendations applicable to intakes with side-wall suction inlet.