LSB Posted June 4, 2023 Share Posted June 4, 2023 (edited) Another area of self-build that is confusing my brain. On our SE plans they have specified a Klargester BioDisc, no consultation with us on what model or where we wanted it placed. They have specified one of our fields, but the plan was for that field to stay with our current house. We would like to put it in a different place, does anyone know if we can do this without a change in planning. Also do we have to use the STP on our SE drawings or is that just an example of the type of thing needed. I've asked the SE, but they are not forthcoming. And, how much space on the surface does a treatment plant need. TIA Edited June 4, 2023 by LSB Link to comment Share on other sites More sharing options...
Wumpus Posted June 4, 2023 Share Posted June 4, 2023 I think this will be more of a building control question rather than planning. There are rules about how close to a building the treatment plant can be, from memory more than 15m. I think planning is only concerned with demonstrating a viable scheme, so once that is achieved, any alternative location would work. Any scheme would need to be approved by your building control officer, so I would start there. I’m pretty sure you could substitute for any alternative treatment plant. A lot of people dislike the bio disc units because of the moving parts and greater mechanical complexity. 1 Link to comment Share on other sites More sharing options...
saveasteading Posted June 4, 2023 Share Posted June 4, 2023 Klargester is the best known brand and so tends to be specified for convenience. I much prefer air bubble tanks to moving wheels. I wouldn't worry about changing the model at this stage though. However, the planners should be looking at the location, even sending your plan out for consultation. Therefore I would tell your SE that it is not your land ( or won't be) and get the drawing changed. Most importantly it may affect how it ultimately drains. Then they will also deal with building proximity. There are digesters designed to be less deep, which can help near buildings. Link to comment Share on other sites More sharing options...
dpmiller Posted June 4, 2023 Share Posted June 4, 2023 why is a SE speccing something non-structural? Link to comment Share on other sites More sharing options...
LSB Posted June 4, 2023 Author Share Posted June 4, 2023 Distance from the building is fine in either location, in fact my preference is about another 5m further and slightly lower. This is the main reason we want it there, and always did. But, the SE just put it where they saw fit. We can keep the land if necessary. The main advantage with the current location is that it's beside the drive whereas our preferred location is further away which might make emptying more tricky. Link to comment Share on other sites More sharing options...
LSB Posted June 4, 2023 Author Share Posted June 4, 2023 4 minutes ago, dpmiller said: why is a SE speccing something non-structural? this is a Class Q conversion so maybe it's that, they have also said the company that we need to get the roof from. This is a top quality roofing company who do 99% commercial and their quote is about twice anyone elses. So, we aren't going with that either. Link to comment Share on other sites More sharing options...
saveasteading Posted June 4, 2023 Share Posted June 4, 2023 36 minutes ago, dpmiller said: why is a SE speccing something non-structural Glad you asked. SE is a specialised branch of being a Civil Engineer. So they may actually be CE but few know what that is. How often do we see ," ask your CE" in these pages? The SE has probably done a degree in Civil Engineering, then chosen to veer towards structures. Many practices do all CE fields including structural. So a CE can do structures and drainage, and roads and bridges and dams, but tends to let an SE do serious structural stuff, esp if complex. Therefore there is no concern. 1 Link to comment Share on other sites More sharing options...
saveasteading Posted June 4, 2023 Share Posted June 4, 2023 8 hours ago, dpmiller said: why is a SE speccing something non-structural? @dpmiller . I'm glad you asked the question, and would be interested to hear who you ( or anyone else) thought would do drainage schemes. Link to comment Share on other sites More sharing options...
LSB Posted June 5, 2023 Author Share Posted June 5, 2023 8 hours ago, saveasteading said: @dpmiller . I'm glad you asked the question, and would be interested to hear who you ( or anyone else) thought would do drainage schemes. Good point, not something I thought about who would spec this. But, we always thought when looking at the conversion that the treatment plant would be in the East field, but the SE has put it in the North field. My point is more, they did this without discussing with us and I'm not getting any response from them about why they put it there and why they choose the specific model, personal preference, simplicity or a genuine reason. I must also note that they never visited the site before doing these drawings. A different dept had been previously for the contamination / soil survey so I guess they just used those drawings. 1 Link to comment Share on other sites More sharing options...
dpmiller Posted June 5, 2023 Share Posted June 5, 2023 I'm not talking about in industry or commercial development. Looking at the size of a house to size a treatment plant aint rocket science? Link to comment Share on other sites More sharing options...
LSB Posted June 5, 2023 Author Share Posted June 5, 2023 2 minutes ago, dpmiller said: I'm not talking about in industry or commercial development. Looking at the size of a house to size a treatment plant aint rocket science? this is a Class Q barn conversion to a dwelling so is not commercial. Link to comment Share on other sites More sharing options...
dpmiller Posted June 5, 2023 Share Posted June 5, 2023 12 minutes ago, LSB said: this is a Class Q barn conversion to a dwelling so is not commercial. my reply was aimed at @saveasteading, sorry. Have you been charged for the engineer's time, designing the plant in the wrong place? Link to comment Share on other sites More sharing options...
saveasteading Posted June 5, 2023 Share Posted June 5, 2023 13 minutes ago, dpmiller said: Looking at the size of a house to size a treatment plant aint rocket science? No it isn't. I see what you mean as It comes straight from a catalogue according to number of bedrooms. But then there are gradients, pipe sizes and where the final effluent goes. I've met loads of groundworkers who can't get that right. Diy or engage someone is client's choice. Link to comment Share on other sites More sharing options...
saveasteading Posted June 5, 2023 Share Posted June 5, 2023 19 minutes ago, LSB said: we always thought If you told them not to put it there, then now remind them and get it sorted. If you didn't, then ask nicely and they will get it sorted. Link to comment Share on other sites More sharing options...
LSB Posted June 5, 2023 Author Share Posted June 5, 2023 (edited) 2 hours ago, saveasteading said: If you told them not to put it there, then now remind them and get it sorted. If you didn't, then ask nicely and they will get it sorted. We were never consulted on this at all, so I'll talk to them about why they put it in the 'suggested' location. But, I've asked them a few things and don't get any response. I will ring them when I get a chance as maybe my emails are not getting through. Edited June 5, 2023 by LSB 1 Link to comment Share on other sites More sharing options...
saveasteading Posted June 5, 2023 Share Posted June 5, 2023 Good job it isn't in someone else's garden. They should have asked more questions so I'm sure will change it. 1 Link to comment Share on other sites More sharing options...
LSB Posted June 5, 2023 Author Share Posted June 5, 2023 2 hours ago, saveasteading said: Good job it isn't in someone else's garden. They should have asked more questions so I'm sure will change it. true, but to be fair they know we own all the fields from the contamination survey. Link to comment Share on other sites More sharing options...
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