Drains Chamber

New inspection chamber

Construct within the ……….. an inspection chamber of suitable size using sound, 225mm (9in) semi-engineering brickwork set in Portland cement mortar, with

[a] a removable air tight cover,

[b] a double sealed cover,

the main drain to be carried through the chamber by means of half channel pipes, branch drains being connected thereto by means of approved half channel bends, the whole of the floor to be benched up with smooth, impervious Portland cement mortar.

[c] Internal inspection must be provided with a screwed or bottled cover in addition to the cover at floor level.

[d] A proprietary, manufactured inspection chamber installed in accordance with current Building Regulations may be used to satisfy this requirement.