Inspection Xxxxxxxx. Inspection xxxxxxxx shall have a C20 concrete base 100mm thick and sides built up to 230mm concrete blocks laid in a 1:3 cement/sand mortar. Half round channels of the required diameter, in curved and straight length shall be laid at the bottom of all xxxxxxxx, haunched to a height of approximately 200mm with C20 fine concrete, and trowelled smooth. The sides of the inspection xxxxxxxx shall be rendered in 1:3 cement/sand and trowelled smooth. A rebate of approximately 50 x 75mm shall be formed round the top. The cover is to be heavy duty PVC in areas where no vehicular traffic is expected. Precast concrete covers will be required to be reinforced.
Inspection Xxxxxxxx allow for 4 No. round polypropylene xxxxxxxx as indicated on the plans, 450mm internal dia, surrounded in 150mm C20 concrete. Covers recessed light duty steel. Depths to be determined on site.
Inspection Xxxxxxxx. Where depth of sewer is less than 1.5m rectangular xxxxxxxx shall be used having size as specified. Usual sizes are 450 X 900 or 600 X 900. These shall be constructed in the sewer line at such places and levels and dimensions as indicated on the drawing. Sizes specified shall be clear internal dimensions of the chamber.
Inspection Xxxxxxxx. Inspection xxxxxxxx shall be constructed in the positions indicated on the Drawings or as required by the Architect. Such xxxxxxxx shall be to the depths required to obtain even gradients in the drain and of sufficient size to contain the requisite main channel and any branches thereto and all to the entire satisfaction of the Architect and the Local Authority. Rendering shall be trowelled smooth, coved at all internal angles and rounded on arrises.
Inspection Xxxxxxxx. 8. Sewers.
