5 Installation at Site
33 of 62
SRA
2334.810/03-EN
5.7 Fitting the load distribution plate (for buried installation under traffic
areas)
For installing a pump station under car parks, yards, footpaths or public roads a load
distribution plate has to be fitted. Installation under traffic areas of vehicle load
class D must be effected in accordance with DIN EN 124, Group 4, vehicle load
400 kN/m
2
. To limit the axial and radial loads acting on the collecting tank the load
distribution plate must not be in contact with the walls of the collecting tank.
Collecting tank
1
Fig. 21:
Fitting the load distribution plate (example)
1 Load distribution plate
Fitting the manhole cover ring (for buried installation under traffic areas)
L
W
Fig. 22:
Access opening (in manhole cover ring)
Table 8:
Access opening dimensions (collecting tank)
Size
L
W
[mm]
[mm]
1000
750
750
1400
900
750
1800
1500
750
ü
The construction pit has been properly filled and compacted.
(
1. Make a load distribution plate out of reinforced concrete. Make sure the access
opening of the collecting tank remains accessible.
2. Fit the load distribution plate without contact to the collecting tank.