Job done! Connecting to a vent stack is another matter, if the pipe is being used to vent other fixtures downstream probably not. The difference in the pipe diameters and the rigidity of cast iron soil and vent pipes makes it very difficult to cut into them to add a new toilet or even the waste pipe from a wash basin or shower. But there are general principles you can follow to make … If I can connect to the soil pipe what is the best method for blocking up the … It may be necessary to connect into a underground drain. The diameter of the stack above the main bathroom reduces to 2 or 3 inches and extends through the roof. Joined: Jul 16, 2009 Occupation: Stll looking Location: The boonies between Mt Ranier and Mt St Helens. The most simple way to connect a waste pipe to an existing soil pipe is to install a ‘strap on boss’ (pictured at the top of the article) to make a watertight connection. I am changing the location of my shower ant toilet and need help with doing this correctly. IE, if you had a vent in an attic you probably can't use that as a soil pipe, if you had a pipe with a toilet already connected to it you can probably connect to that pipe downstream from the existing toilet up to about six feet away from the stack for three inch pipe and ten feet for four inch pipe. So a vent pipe the same diameter as the building sewer needs to connect from the drainage system, and extend through the roof, undiminished in size. all connections from any drain runs must be connected into the half round channel at the bottom of the manhole chamber this connection to the channel should be a benching fitting of the correct angle which the new drain comes from these fitting are benching fittings and the bottom of these fittings should rest on the upper lip of the channel then benched in with sand and cement to insure all waste products are … Or does my plan have any obvious problems which ive … For other plastic-to-plastic … Step 3: Socket to Me Baby! I have have reasonable access to the soil pipe to fit the new boss. Before pushing the flexible pan connector into the soil pipe you can lubricate it with washing up liquid as this makes it much easier to push it home. Dec 9, 2015 #1 In the middle of replacing low level toilet (there for about 30 years) with close coupled loo. The main sewer pipe enters the building in the basement toilet and the existing basement toilet is fed into it, and then the pipe continues up through the roof. I used sliding joint water-pump pliers to gently crimp the top edge of the lead around the plastic to get a good … inspection chamber is aprox 1-2ft deep. The correct length of the 34mm pipe was cut and forced down into the lead and all the upper joints positioned tightened. Hi all, I think this is a simple question, but after scouring this forum and others, I'm suprised at not finding an answer. Disassemble the parts, apply primer and glue, and reassemble the pieces in … Both drain and vent pipes must maintain a minimum slope of 1/4 inch per foot. In a nutshell, the UPC wants the building sewer to be properly vented. Simply cut a hole in the soil pipe and place the strap around the exterior of the pipe. The underground drain is the pipe that takes waste water from the soil pipe into the sewer system where it most likely ends up at a water treatment plant. How to Plumb a Toilet From Start to Pipe. One popular way to meet this requirement is by plumbing one toilet with a 3 or 4 inch vent. The drains may join, but it's just as common for each one to have its own connection to the soil stack. I constantly checked the opening with an off cut of the 34mm plastic pipe I was going to connect. Any ideas? Thanks for your input. So 2 toilets will connect to the same soil pipe. The builder is going to bring in 2 x 110mm soil pipes under the new concrete slab for the extension and then bring them vertically up through the slab and Celotex insulation into the en suite via an elbow on each. Gutters and gullies should only collect rainwater and connect to the rainwater drain. Feeding into a gully. It's not too difficult to replace your old toilet, as long as you can connect it to an existing branch of the soil pipe. In the setup shown, a 4x3 Y connects to the house drain using no-hub fittings (which should be used to connect to either cast iron or ABS). Cover the soil pipe. You may need to trim the soil pipe a little though! A sewage pumping station with a macerator can also be used to remove waste – but you’ll need to add electricity to power this. 1 of the soil pipes is for the toilet and the other for connecting to the shower and wash hand basin. If you use plastic pipe and want to join into the metal connector shown in picture 12, you must use a plain pipe insert in the end of the pipe. The last thing to remove is the soil pipe (waste pipe) from the bottom or back of your loo.