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Thanks for the reply. I have had to rethink everything and start over. I will try to post some drawings. Talk about money down the drain. The way I have the drains now the BO officer said I would need to have a stub stack near my toilets for rodding. He also said something about venting. I...

thank for the reply. no chance of having anything outside. one side is the neighbour (semi-dethatched) and the other 3 fall inside the rest of house or new extension.

building control officer came today and he you CAN have double sealed flush man hole thing as long as it's on a private drain which mine is. (If it's shared in anyway that's when you cant use them). This will make life a lot easier I think.

thanks for the reply delmel. but you said 15 years ago - I think the law has changed and we cant do it that way now. So im wondering how can it be done now if you cant use that system?

Hi All, So the kitchen faces the back garden at the moment. The waste leaves the sink through the back wall and falls into an outside gully (you can see the waste water come out when the kitchen tap is on). That is the standard setup I believe of most houses. But now an extension will be built...

Hi All, I asked an architect to do my full plans drawings a few months back. He sent them direct to me as I was not sure when I wanted to submit them. I decided to send them myself a few days ago. I received a letter from the council that I also had to fill in a form. I could not find any...

Thank you very much for the reply Hugh. To be honest I dont know yet - the rain is holding me back. I need to erect some sort of covering I think. I have had some luck in finding the right kind of materials though: Thames water emailed me again and said I should use BS EN 13598-1 13598-2 for...

https://www.drainagepipe.co.uk/inspection-chambers/using-an-inspection-chamber-at-a-change-of-direction/ According to the top video - it says not to use the obvious entries for turning 90degrees. Instead use the straight part and add two 45degrees which will give a longer bend. That's fine...

oh. thanks for that noseall. I did not read carefully enough to spot you said internal.

wow wee - 150mm through channel, this job keeps getting less difficult! if only it would stop raining. I tried my best to measure the external diameter and it was more 6" than 4". Are you allowed to post a link of one such base? I have done a search for 150mm chamber before I knew they existed...

ok Thames water have replied >>>We would require anything on the public sewer to be like for like ie so if it is currently clay we would need the pipework or any connections to be clay. We would how ever accept a plastic Inspection chamber.<<< Surprisingly to me, I think that's a yes for the...

Thank you for the reply Hugh. still waiting for Thames water to reply. As for the ground water I actually called them over as I thought I might have damaged the pipe. They came over and used coloured dye and cctv - all they said there was no damage and he's pretty sure is not sewage. That...

Thanks for the reply Hugh. Yes that's another thing - it is live and serves about 10 other houses.

Thanks for the reply woody. Yes absolutely - if it's allowed. I guess only Thames water can give me the answer to this or someone who has dealt with the same situation. Should get a reply from Thames Water within a week Their specification says like for like - if I accept that, I have to go...

HI, Is it best to match the height of the existing DPC with the new DPC of the extension? From the picture would you say the dpc is just below the air bricks? Why are the airbricks above the DPC? Thanks

I found the above from a web site that sells plastic chamber bases - maybe I can have a plastic base but build a brick manhole around it? edit. Thames water emailed. hope I get a speedy reply.

I see.

Thank you very much for the reply - you have saved me from a costly mistake. What's the access junction for then? If you are talking about plastic inspection chambers - I'm guessing not, as it's not clay (like for like and all that). Plus they are smaller maybe at 450mm vs 600mm. So I'm not...

Dear All, I have to build a manhole – Thames water state you must use like for like materials only, in this case it means clay. The pipe I’m tapping into is 150mm clay. Rather than use clay channels and benching (if that’s the right term) – I found this...

thanks for the reply Londoner2.