What is an AJ riser?

AJ Riser 150mm High Chamber Risers 315mm can be fitted directly to a WAJ inspection junction base to increase the invert depth. A shallower depth can be achieved by cutting the riser with a fine tooth hand saw. Colour: Red brown. Diameter: 315mm. Material: PVC.

What is an Armstrong Junction?

The Armstrong Junction provides easy access for inspection, cleaning of sewerage. Colour: Terracotta. Size: 110mm. Extremely smooth internal surface. The internal surface is extremely smooth to minimise the risk of blockages and maximise the flow.

What is an Osma inspection chamber?

The Osma Universal Inspection Chamber Black, is manufactured from polypropylene material which makes it strong and durable. It measures about 500 x 305mm (L x W) with diameter of 450mm. The shallow inspection chamber range that is used to the maximum invert depth of 1.2m can be adaptable.

What is a drain inspection chamber?

Product Guide: Underground Drainage. Inspection chambers are access points to underground pipework which allow maintenance and the removal of blockages. When installing any type of underground drainage there’s a very high chance that you’ll need to install an inspection chamber.

What is gully trap?

A gully trap is provided outside the building before connecting to external sewerage line. It also collects waste water from the kitchen sink, wash basins, baths and wash area. Gully Trap is provided to prevent the foul gases entering in to the building by providing water seal.

What is a back inlet gully trap?

Bottle gullies provide a trap that stops foul odours from the underground drainage system from escaping into the air. This bottle gully is also roddable.

Can a conservatory be built over a drain?

Unfortunately, you cannot build your conservatory over a manhole using conventional concrete foundations since manholes need to be accessible by the Water Authority. They need to have full access to the sewer system. Instead, you could look to relocate your manhole, if it is affecting your conservatory build plans.

Do you need an inspection chamber?

An inspection chamber is needed any time the pipework changes direction with an angle of more than 30dg, if there’s a change in pipe size, or if two pipes come together at a junction of more than 45dg. These should either be accessible through an inspection chamber or a rodding eye.

Why do we use gully trap?

Gully Trap is provided to prevent the foul gases entering in to the building by providing water seal. It has deep water seal of minimum 50 mm depth and it also prevents entry of bugs and insects from sewer line to waste water pipes.

How do you clear a blocked gully trap?

Hose it down: Once the debris has been dislodged or partially broken down, use a hose pipe to flush water down the gully. The water and pressure of the hose will move along any stubborn blockages. Add hot water: Finally, boil some water and pour it down the gully.

How tall is an AJ riser 150mm high?

AJ Riser 150mm High Chamber Risers 315mm can be fitted directly to a WAJ inspection junction base to increase the invert depth. A shallower depth can be achieved by cutting the riser with a fine tooth hand saw. This websites use cookies. By continuing to browse the site you are agreeing to our use of cookies.

How does The WAJ access chamber riser-315mm work?

The Wavin WAJ Access Chamber Riser – 315mm can be fitted directly to a WAJ inspection junction base to increase the invert depth. When fitted with a frame and connected to a WAJ inspection junction base, it gives an invert depth of between 370mm – 440mm. A shallower depth can be achieved by cutting the riser with a fine tooth hand saw.

What should the depth of A waj riser be?

When fitted with a frame and connected to a WAJ inspection junction base, it gives an invert depth of between 370mm – 440mm. A shallower depth can be achieved by cutting the riser with a fine tooth hand saw. The circumference grooves at 30mm spacing act as a cutting guide.

Which is the best definition of a riser?

1 : one that rises (as from sleep) 2 : the upright member between two stair treads. 3 : a stage platform on which performers are placed for greater visibility. 4 : a vertical pipe (as for water or gas) or a vertical portion of an electric wiring system.