Toilet blocks/pod install advice?

[macka09]

Hi folks Do many of you do the type of work above? I wanted some advice on plumbing up a small bank of toilets that will also pick up 3 basins with oversink heaters? I’m clearly over thinking this as usual but I thought ask. Cheers

 

[oz-plumber]

What issues are causing you concerns?

 

[macka09]

What issues are causing you concerns?

Nothing in particular. Mainly how people manage to get a sufficient fall on the 4” off the back of the toilets.
Seems awfully quiet on here these days

 

[Chuck]

I'm not really a drains guy but as it is indeed very quiet around here here are my thoughts:

Marley publish a lot of briefing and design guides. I think there is are a couple of relevant pages in their 'Sanitary Systems technical guide'. If this is essentially a public toilet make sure you have enough rodding points and don't forget venting. Maybe contact Marley technical support via their webpage:

Marley PVC Soil & Waste

A comprehensive range of soil & waste systems to help manage your wastewater. Our above ground PVC systems are available with a choice of jointing methods and manufactured to British and European standards.

www.aliaxis.co.uk

and get them to recommend a design/system to use. I imagine other manufacturer's have similar service but on the rare occasions I need wastewater pipework I've always used Marley.

 

[RBG]

Hello macka09, have a look at Part H of the Building Regs.. Some good information in there regarding falls, flow rates / discharge rates for waste