MAC C275A, Manual

Page: 7 / 40

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7
01_IN.CSA.300_01 200220
40L
C + 1000
GBR
PREPARATION OF THE EXCAVATION
To do a proper installation of our product, we recommend to follow all the points below.
Excavate the land with the measures and depth indicated below.
Plan view Sectional view
Make sure that the interested soil for the installation of the product is draining by pouring 40 liters of water into the
excavation.
If after 10 minutes the excavation has emptied, means that it isn’t necessary to install a sewage network.
Individual cases should however be evaluated, considering the soil compliance and the meteorological situations.
Eventually, create a sewer system.
Caution:
This type of system has been thought for land with poor draining qualities, where, digging, water is immediately
found and/or where there is not the possibility to carry everything in a sewer system. The bollard will be collocated
in a waterproof concrete tank so if the water level raises, the bollard remain isolated from the surrounding land.
This drawing shows how to install a well for the discharge of the excessive water from the formwork of the bollard.
All the concrete that covers the bollard and the well should contain special additives that isolate from water.
Even just one well can be installed to suck the water of all the bollards installed.
Little well or sewer network
connection with immersion
pump
Little well with manhole EN124
Sewer network connection
Immersion pump