8,255
edits
Changes
Jump to navigation
Jump to search
m
→Design
Line 21:
Line 21:
*Typical dimensions for the trench excavation are 300 mm deep and 600 mm wide. The trench may be any length,
*Typical dimensions for the trench excavation are 300 mm deep and 600 mm wide. The trench may be any length,
*The trench should be lined with geotextile before filling with gravel,
*The trench should be lined with geotextile before filling with gravel,
−*River rock or decorative aggregate may be included in a layer at the top of the gravel fill, for aesthetic value.
+*River rock or decorative [[stone]] may be included in a layer at the top of the gravel fill, for aesthetic value.
==Materials==
==Materials==