BP1 - Domaine de la Reidt
67330 Bouxwiller - France
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Buried installation: on a bed of well compacted sand with stabilised sand backfil: 100kg of cement per m³ of sand. Always fill the tank with clean water ahead of the backfill (empty after 48 hours if necessary). Ensure a depth in excess of 50cm if buried under a road or track.
Above ground installation: install the tank on a completely smooth flat slab, with a support wall and sand backfill up to at least 1,50m (or equivalent banking).