Regulation N5 Rain-water drainage
Northern Ireland Not yet in force
Rain-water drainage shall—
(a)
consist of pipes and fittings—
(i)
of such size, layout, construction and watertightness; and
(ii)
with sufficient ventilation,
to ensure the hygienic conveyance of rain-water to a surface water or combined sewer, a soakaway or a watercourse; and
(b)
have such means of access as is necessary to facilitate the clearance of blockages.