Installation Requirements; Preparing The Foundation - Grundfos iGRID Montage- Und Betriebsanleitung

Lifting the concrete slab and metal cover

4. Installation requirements

4.1 Preparing the foundation

The installation of the pit must be carried out by
trained persons and according to local technical
regulations.
When placing the solution, be careful not to damage any
other equipment and vice versa.
With reference to DS/EN 1997-1: Eurocode 7: Geotechnical
Category 2:
• We recommend that you conduct a geotechnical survey of the
conditions on site before installation.
With reference to DS/EN 1997-1: Eurocode 7: Geotechnical
Category 1:
The geotechnical survey may be deemed unnecessary if the
following conditions are met:
• There is an insignificant risk of general instability, soil movement
or adverse conditions.
• Comparable local experience shows that the ground conditions
are sufficiently uncomplicated.
• There is no excavation under the water level.
• Comparable local experience shows that the proposed
excavation under the water level will be without complications.
In case of doubt, contact a geotechnical specialist.
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Principle sketch of the installation
Pos. Description
1 Foundation layer
2 Bedding layer
3 Backfill compacted in layers of maximum 30 cm
Distance of 50 cm from the cover where heavy traffic
4
must not occur
Related information
5.1 Installing the solution
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3
2
1
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