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  1. pdise

    peagravel/sand/3/4minus compaction

    I'm filling in an old mechanics pit appox. 30' x 15' x 4'. It has concrete floor and walls. I will then be pouring back concrete to bring the grade to the same height. What is the best material to use as backfill? Pea gravel, sand, or 3/4" minus? I thought about CDF but the cost is higher than...

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