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Any idea as to what function this gully is currently providing? We have in the past had to clear debris and kitchen waste from it. Does it removal mean that the kitchen grey water will have a straight run to the IC, is this acceptable? Thanks

Cheers 23vc. We will be running 110 mm underground. What about vermin and smells, would the removal of the external kitchen gully be a cause for concern in this regard?

Hi..I am looking at getting an extension and I'm hoping to get help with a question on my current kitchen drain. The kitchen drain exits the house into a gully trap with a rodding eye cover. The question is can I convert this drain into into a straight run without a trap as any trap will not be...

Also these level invert chambers seem to come in sizes of 250 mm, would this suffice or would I need to build it out to 320 mm or even 450 mm? The depth of the new IC will be a max of 600 mm so I'm hoping the 250 mm would be ok

I'm leaning towards taking the laterals out and back in again. I have re-measured (in the light of day) and the exact runs are from the house to the new IC 4 meters and 2.4 meters back from the new IC to the main run. So total runs are 160 mm. We have a slope of 150 mm available. So if I use a...

The house/extension is on the boundary bottom is the neighbour top is a public path. I have no scope of running the flow to the top or bottom as it won't be on our property. The 'only' issue I have is the fact the return will come below the the main run if we are to maintain the slopes and I...

you're right. The more I think about it and from the comments I'm going to have to figure out a way to run the laterals out and then back in again. The return is already coming back in with the new toilet so really its just the kitchen and existing WC to run. Any thoughts on a level invert...

Alternatively could I put in a rodding eye for the kitchen connection and another for the sewage join to the main run so I could rod these upstream which in theory would accomplish running the lateral out to the new IC

Rerouting to the top isn't possible as its a public path. I agree running the laterals out is the best option and is the one I want to go for but the fall is a big issue. The slopes we are looking at are WC drain from building to new IC 4.5 meters @ 1:40 so 113 mm + 100 mm for the IC connector...

Thanks for the replies. The main run goes off to next door and finally to the main sewer on the street. The kitchen lateral isn’t an issue. The issue we have with running the laterals to the new IC is that the existing WC foul gradient is quite low. The new IC will be about 3 meters away from...

Hi..I'm really hoping someone can advise. We're looking at building an extension which will be over an existing Inspection Chamber. We are at the start of the terrace so the only drains the feed into the chamber is the main foul water from the house WC and the other being the kitchen. There is a...