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What are suitable/ recommended materials to backfill trench to cover main incoming electrical cable, mdpe and gas pipe?
I have some of the following materials spare
- Soil (but it gas tiny rocks in there)
- Sand (building/ plastering sand which has been mixed together)
When backfilling does one need to do any additional steps like compacting at certain stages?
I have some of the following materials spare
- Soil (but it gas tiny rocks in there)
- Sand (building/ plastering sand which has been mixed together)
When backfilling does one need to do any additional steps like compacting at certain stages?