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got calcs back from se, he has spec'd 2 203*203*71 beams spanning 7400mm carrying floor, purlins and roof for a loft conversion, thats a big beam at over 0.5t, there is a 152*152 spreader running in the middle between them to keep them from twisting im guessing. does anyone know is there is...

finished digging a trench for new drainage run yesterday, and rained all evening so the trench was soaked in the morning, pumped it all out, but the clay soil we have was very water logged (high water table area), foot would sink about 5cm if you stepped on it. put a little back in for levels...

need advice on breaking out an existing conservatory foundation, that is 500 wide * 450mm deep, need to replace it with a 600wide * 1200 deep. someone mentioned underpinning it, but will take alot of time and increase cost as would have to be done in sections etc. so want to look at breaking...

trying to think of the best way to external render a side wall to our extension. at the moment it will be built in 215mm block with no cavity, and the extension come upto the boundary line of our property. Our neighbour has a conservatory which is about 25-30 away from the boundary line, which...

looking for a rough m2 cost of building a double storey side extension to a property in london. neighbour already has 2 storey extension with wall built astride boundary line in solid 215mm blockwork. so we would not need to have foundations dug or walls built, we can use this existing wall...

as part of our side extension we decided to put in a new manhole, existing all surface water and soil are combined and go into a manhole in the neighbours garage. we want to try and make away with any internal manholes within the property, so will need a 16m run from the front to the rear of...

just wondering what is the best way to know how much lower than the finished floor level to have the top of the foundation pour. we have 150mm block/beam, and about 75mm insulation, 50mm screed, leaving 25mm for floor finishes, so is it best to have the top of the finished foundation pour...

we got planning permission to remove our large conservatory and replace it with a solid extension, the old conservatory was a screed floor with no insulation, so we had to rip it out. we are now thinking of putting a block/beam floor in instead of a slab floor.. the only thing on my mind is we...

hi currently have a old conventional ideal mexico super cf4140 boiler, which is rated at about 50kw, looking to replace with a new combi, was advised that size needed is a 24kw?? checked on http://www.idhee.org.uk 4 bed semi detached with solid walls, double glazed and 2 bathrooms, 2...

our soil and surface water are currently combined and shared with a manhole on the neighbours side, we have permission from thames water to make our own connection on the lateral line. our neighbours manhole just across the drive is 1.2m deep, we will be excavating on our side of the wall 1.2m...

looking for a rough idea of a cost to re-plumb a 1930's 4 bedroom semi detached house in london. currently running on lead mains with a mix of 15mm copper and push fit pipes. Will be 3 bathrooms and kitchen, only need 1st fix for now.. for hot cold water only, as would be going for underfloor...