MCU14/0056 Response to SARA - Consulting Report

EN 858-1:2002 (E)

Normal service conditions Test conditions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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b)
Key
a) Supply from sludge trap to 1 Scum board 6 FB want pipe, inclined at
(2 = 0,5) % @i

separator over a weir 2 Static water level 7 Weir
b) Supply from sludge trap to 3  Sludgetrap . 8 Inlet openings

separator by means ofe.g.two 4 Separator 9 Connecting pipe

inlet openings 5 Collecting chamber (see figure 4}

Figure 3a — Sludge trap combined and in line with the separator

Where the flow, under normal service conditions, between the sludge trap and separator is over an open weir, the
supply pipe shall be adapted to form an angular flume with sides not less than 45 ° as shown in a). The discharge
of the flume shall extend the full width of the weir. :

Where the flow, under normal service conditions, between the sludge trap and separator is by more than one
pipe/duct, the cross sectional area of the supply pipe shall be equal to the total cross sectional area of the
pipes/ducts and constructed as shown in b).

This is a licensed reproduction produced by SAI Global Ltd, an authorized distributor of British Standards 25