Floor Waste Gully Requirements

In the above situations the floor is required by the ncc to be graded to the floor waste to prevent water overflow from penetrating to other occupancies or public spaces in the same building.

Floor waste gully requirements.

Where the sole function of the floor waste gully is to dispose of water spillage and wash down water a minimum dn 50 riser may be used. There are several things to consider in determining if a floor waste needs to be installed. Wet area rooms of class 2 3 part 4 buildings require floor wastes regardless of the type of shower only to prevent the potential for damage to other sole. 4 6 7 floor waste gullies 4 6 7 6 removable grate floor waste gullies shall be installed with an accessible removable grate and have a riser of not less than dn 80 to finished surface level.

When installing a bath in a wet area the waste connections must comply with the requirements of the national construction code ncc series whether or not there is a floor waste gully. Except for rooms containing wall hung urinals in which a floor waste gully is mandatory an. Plumbing regulations 2008 the. A floor waste will also form part of a floor waste gully in circumstances where that gully may be required by the pca deemed to satisfy provisions as.

80mm x 50mm squat floor waste gully fwg80 50 pdf 184 kb. Code description pdf file cad file. A floor waste gully acts as a floor drain as well as receiving the discharge from wastewater fixtures. It is common in the building industry to remove central floor waste gullies from bathrooms and other wet areas.

The bca volume 2 is silent on the need to provide floor wastes in a class 1 building such as a single dwelling house. A floor waste gully fwg is a floor drain that can receive the discharge from a number of fixtures but connections are limited by the number of discharge pipes and distance see figure 6. Floor wastes are not required in wet area rooms of class 1 buildings unless the area contains an unenclosed shower in which case the shower waste doubles as the floor waste. They may also be used as shower outlets so they are space saving reduce the length of pipework and reduce the number of connections required to the drain.

80mm x 65mm squat floor waste gully. It may also be used as a shower outlet but cannot receive solid waste for example from a wc pan. It may only receive discharge pipes from wastewater fixtures that are located in the same room.