Last Updated: 1 December 2016

[PHA 24,610] Inspection chambers198 

198
(1) Inspection chambers shall be provided at all points where a drain changes direction, and every such drain shall be laid in straight lines between such inspection chambers, provided that—
  • (a)where any drain is laid not more than 30 inches below the surface of the ground the local authority may permit the use of inspection pipes at approved points in place of such inspection chambers;
  • (b)an inspection pipe shall be placed within 3 feet of the discharge and of every trap situated more than 3 feet from an inspection chamber.
(2) The walls of all inspection chambers shall be constructed of concrete or other approved impervious material.
(3) The internal dimensions of any inspection chamber not more than 3 feet deep shall be not less than 30 inches in length and 18 inches in width; and where the depth of the chamber exceeds 3 feet the internal dimensions shall be increased to provide convenient access for the use of rods and other implements for clearing and cleaning.
(4) Every inspection chamber shall be provided with an approved iron cover or concrete slab properly bedded in cement mortar or other suitable material.