Line 32:
Line 32:
*suitable vegetation,
*suitable vegetation,
*decorative aggregate or [[stone]],
*decorative aggregate or [[stone]],
−
*An [[underdrain]]
+
*An [[underdrain]],
+
*An impermeable liner,
'''The design may benefit from:'''
'''The design may benefit from:'''
−
*A [[level spreaders| level spreader]]
+
*A [[level spreaders| level spreader]]
−
==Planning Considerations==
==Planning Considerations==