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Recent content by golfer2

  1. golfer2

    French Drain Flow Rates

    cvg is right just consider the flow rate ofthe pipe this formula should help. 36.4*SQRT((H/L*D)^5)
  2. golfer2

    Backfill suggestions for seepage drainage on hillside

    I am a drainage contractor looking for info on backfilling seepage drainage on downhill slopes in a heavy rainfall area in the mountains. Sand backfill is required to meet the particle size requirements of the native soil. Trenches will be 2 to 3 feet deep. Our plan is to place the sand in sand...

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