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How Far Apart Are The Holes In Perforated Pipe? [Solved]
IMPERIAL Perforations shall consist of 2 rows of 1/2" (12.7mm) holes positioned at 120° radially on the pipe. Spacing between holes shall be 5" (125mm).
Backfill a Retaining wall
This video shows how a Retaining wall should be back-filled to allow for maximum drainage. When we build a retaining wall we …
How Does Drainage Pipe With Holes Really Work?
We put a camera and some led lights together to show you how drainage
DIY Adding Drain Holes To Corrugated Pipe
This video shows an easy way to convert
