An inlet pit is a stormwater pit with an opening or grate designed to allow stormwater to enter.

What is a SAG pit?

A ‘sag’ kerb inlet is an in-kerb stormwater inlet located at a low point in a roadway where water would collect and otherwise pond if the inlet was blocked or sealed. The alternative to a sag inlet is an ‘on- grade’ inlet, which is located on a part of a roadway that has a positive gradient.

What are stormwater pits?

A stormwater pit is a storage container for stormwater. While it’s not designed to hold water – like an inground water tank, it needs to be large enough to contain the water pouring into it, just long enough to allow it to pass through drainage pipes, at a rate that it can keep up with the water.

What is the purpose of a stormwater inlet pit?

A Stormwater Pit is a reinforced concrete chamber constructed below ground, designed to accept rainwater from surface inlets and/or one or more upstream stormwater pipes and to discharge this rainwater into a single downstream stormwater pipe.

What is a gully pit?

Gully. Sto A pit, usually of concrete or brick, where surface water can enter an underground drain.

What is a junction pit?

A junction pit is a stormwater pit lacking an surface inlet of any type. Junction pits are typical used in the following circumstances. To allow access to a long pipe at regular intervals, usually not greater than 90m. To join two or more upstream pipes. To connect pipes laid at different grades.

How deep should a soakaway be?

Soakaway Depth You should allow for 150mm base, side and top fill, plus a minimum additional 150mm top cover for garden applications (350mm for light traffic applications).

How deep should a drainage pit be?

A drainage pit, also called a dry well, is used where water drainage is poor. This pit is usually 3 feet- long, 3 feet wide and 3 to 4 feet deep — although it can be excavated deeper and wider to accommodate larger drain problems.

What is overflow relief gully?

An Overflow Relief Gully (ORG) is a drain-like fitting located outside the home, that allows sewage to overflow away from the interior of your home and outside to the garden if there is a sewer blockage.

What is a drainage junction box?

The Junction Box is a belowground round or square structure made of precast concrete. The purpose of these structures is to interconnect storm sewer or other piping together at to provide for change-in direction, joining piping of different sizes, or for sewer access and inspection.

How do I use a catch pit with a kerb?

Catch pits are designed to be used in conjunction with an inlet kerb, the profile of which matches any standard kerb. Supply of matching inlet channels may be arranged for use in kerb and channel situations.

What is a SAG kerb inlet?

A ‘sag’ kerb inlet is an in-kerb stormwater inlet located at a low point in a roadway where water would collect and otherwise pond if the inlet was blocked or sealed. The alternative to a sag inlet is an ‘on- grade’ inlet, which is located on a part of a roadway that has a positive gradient.

What precast concrete stormwater pits do Humes offer?

Precast stormwater pits Humes manufacture a wide range of precast concrete stormwater pit base units and risers, suitable for junction pits, kerbs and grated inlets. * Some of the benefits apply to custom-made pits only. Stormwater pits 1

What are the different types of catch pits available?

Sidewalk mounted catch pits are available in two depth sizes : 400mm and 700mm. The top slab of the catch pit, which has a non slip surface, allows for easy access for cleaning purposes. The front of the unit can be fitted with either a barrier or a roll-over piece depending on the installation.