Drainage & Ducting Systems

Concrete Pipe

Flexible Jointed Pipe to BS5911 – Spigot & socket Class H Pipe complete with integral rubber sealing ring available in DN225 to DN2100

Short Length Pipes (Butts) – are available on request to facilitate jointing into manholes. These should be specified with either a spigot or socket joint.

Concrete Chamber Rings

Manhole Steps - Manhole chamber sections are supplied with plastic encapsulated structural carbon steel double steps, to BS1247: Part 2: 1990, spaced 250mm vertically.

Heavy Duty Cover Slabs- Slabs are supplied with a standard 600 or 675mm square access hole – other access sizes available on request.

Reducing Slabs - Supplied to suit chamber sections with DN 1050 to 3000 and have a 900mm circular Access.

Complete range of Flexible Jointing Compounds & Primer.

House Inspection Chambers & Valve Chambers

Wall Sections – reinforced concrete units manufactured in a range of sizes and depths. All sections have a tongue and groove joint detail to aid accurate location.

Reducing Units – available to suit larger sizes of wall sections giving a 600mm square clear access opening.

Concrete Covers & Frames – available in 600mm square and 600x450mm clear opening sizes.

Manhole & Gully Seating Slabs

Manhole cover and gully grating seating slabs are available from stock to suit standard access dimensions and can be used in place of engineering brick to adjust access covers to the required level.

Box Culverts

Culverts are available to order in a range of sizes from 1000x600mm to 6000x3600mm with flat or shaped inverts.

Box Culverts suit a variety of applications:
• Foul & Surface Water Drainage
• Stream Diversions & Culverting
• Conveyor tunnels
• Pedestrian Subways
• Vertical Shafts