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Line 30:
Line 30:
+⅓ height of vegetation for infrequently mown swales. +½ height of grass for regularly mown swales, to maximum of 75 mm.+
Maximum depth of flow
Maximum depth of flow
−{{plainlist|
−50% height of grass for regularly mown swales, to maximum of 75 mm.
−33% height of vegetation for infrequently mown swales.
+|}}