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Thanks, it's for a garden office, I'm using 100mm thermalite blocks on top of the slab if that has an influence on strength required in concrete mix

This is a picture of the gravel I was hoping to use for concrete slab mix. It's mainly 10mm with smaller bits too

Hi, I've managed to get a load of 10mm decorative stone for free. It's mainly clean but will clean it before using. Would it be advisable to use in the concrete base mix for the slab I need to pour for my garden office project along with sharp sand and cement? If so, what mix to use? Or...

Well, our fears of Severn Trent being awkward has not materialised. Our initial application was denied, where they cited they wouldn't allow building over the sewer as they needed to maintain access for future maintenance. However, this was a standard answer, and after an email reply to ST, and...

Thanks for your advise. Yes, architect has worked up the plans on the basis of the advise that we've been given by ST before we submitted the plans. This was on the basis that the footings would be dug down to the invert of the sewer on either side and then bridged using a concrete lintel...

We've recently applied to Severn Trent to build over a class 3 public sewer running though our property. The sewer is 525mm diameter and at a depth of 2.4m. The manhole access for this run of sewer pipe is in next door's back garden. We've fulfilled the application criteria and have had a...

house plans