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653 Groundwork & Foundations questions
Current living in bungalow and and thinking of knocking bungalow down and building two storey house on same foot print as bungalow using existing foundations.
Current depth of foundation is 600 mm with 250 mm concrete.
I have been told modern standard is 900 mm
Trying to establish if I can build on these existing foundations
it for a covseavatories base 5 meter by 3 meter,at 100 cm
Help please !
How many 25Kg bags of cement do I need for 1 cubic metre of all-in-ballast when mixing concrete at a ratio of 1:6.
Is concrete priced per cubic metre? If so is it possible to give an indication of the price per cubic metre squared.
We need to have concrete poured as part of the groundworks for a two storey side and single back extension.
Also we are extending what is currently an old garage (but was built with the original house and converted - it's attached) about two foot sideways and then building on top. There is a concrete slab under this that was built with the original house. Do we really need to smash this up in it's entirety and re lay the whole base? Seems ridiculous to me. Previously you could just tie the new footings into the old footings without needlessly smashing it up.
Please note that the above was a general question regarding building regs, most answers have been very helpful however some of been a little presumptious. I actually do have full experience of building works from a young age and am perfectly capable of project managing a build. I have renovated several houses including roofing myself. Thank you to those who have been helpful but to others please don't make assumptions that this is simply to save money. Times are hard and surely it is better to benefit all trademan with work than not do a job at all because you cannot afford to have builder manage it all.
Thank you very much to those who have been helpful.
i am planing a single storey extension build and wondered how wide the foundations will be. I know they will need to be a 1m deep
how deep do i need to dig my foundation for a conservatory , the side walls hight is 2050 cm
I found a small crack between my wall and coving last year, then it got bigger and there were reasonably big cracks along the ceilings on both floors of my house. Not only along the walls but down the walls in the corners, by the door frames and windows. Not forgetting my FAVOURITE one which is behind the MAINS board.
I have been told these are not due to subsidence, even though some of these have appeared over the period between September and now. There are no visible cracks on the outside by outer wall is pulling away from the inner wall by my front door. So this surely can not be a figment of my imagination, and is more than just changes in room temperature.
I'm building a 7 x 7m garage. I was making a cavity wall and was advised to build the foundations 600mm wide and 800mm deep using an ST3 concrete. I'm now doing a single block with piers.
Can anyone suggest what width and depth foundation I should use, I'm presuming it will be smaller. Also how thick should my hardcore be for the oversite?
I will probably be digging the trench for my foundations by hand, over a length of time, to save money.
Any ideas for how to keep the trench in good condition, i.e. no crumbling sides, turning to muddy mess etc.
how much to build a retaining wall 12 mtrs long and 6ft high? soil would be to top of wall at rear and the soil in front would need removing? only after a ball park figure
looking to buy a house but has a really steep rear garden so would want to terrace it.
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