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    Paving over gas, water and electric pipe

    Hello, I have recently dug up my side gate concrete paving slabs and I am going to replace them with porcelain slabs. Upon digging I found gas, electric and water pipes all at very shallow depths i.e 150 - 200mm below ground level. The most concerning is the gas pipe. See attached picture...
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    Piers for shed on sloping ground

    Your welcome
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    Garden room heave shrinkage time?

    Hi Rusty, Thanks for your reply. It is interesting to hear what happened with your step fathers house. And quite cool how the ground basically inflated and the cracks closed once the tree's were cut. In the case of my building I had thousands of litres of water that would normally be evenly...
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    Garden room heave shrinkage time?

    Thanks Woody. I think it will just be a matter of waiting to see what happens. Hopefully 1 month will be enough to give some answers.
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    Garden room heave shrinkage time?

    Hi woody I believe it inflated rather than shifted as the building still is sitting in the exact same location as where I laid it. To be honest I did think twice about laying them on hardcore, my idea was based upon a company called easy pads, I will attach a picture of what I mean. I was...
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    Garden room heave shrinkage time?

    Hi woody, Thanks for your reply. I take your point on board. I understand there is no certainty but for something that expands goes up it must also eventually shrink and go down, if the expansion factor is taken away as the water should eventually evaporate. I guess only time will tell and am...
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    Garden room heave shrinkage time?

    Thanks for your reply. The foundations are adequate for a garden room. They are concrete pads sitting on MOT type 1, running from 400 - 500mm deep. I poured them myself with high strength cement and installed ss rebar into them. The amount of rainwater run off is the issue, it would have lifted...
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    Piers for shed on sloping ground

    Hi Curium, For the floor I would use 18mm external grade ply. However your shed will need to totally cover this eventually otherwise it will swell and deform. Unless you put a serious waterproofing treatment on it. For the floor timbers I would use 2 x 5's on 16 inch centres. Which you double...
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    Garden room heave shrinkage time?

    Hello, I am in the process of building a 27m2 garden room, which is sitting on 15 reinforced concrete blocks, 3 rows of 5. The rubber roof has been on for about 6 weeks, however I didn't connect a gutter to a drain until yesterday. Upon putting the battens on for the cladding a few days ago I...
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    Breedon High Strength Cement Mix Ratio?

    That is A LOT of mixing! I will take your word for it! Lol
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    Breedon High Strength Cement Mix Ratio?

    Thanks woody and lostinthelight for being responsive and for the further information
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    Breedon High Strength Cement Mix Ratio?

    Thanks for this helpful info woody, I will keep it in mind when mixing next week
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    Breedon High Strength Cement Mix Ratio?

    Thanks for your reply lostinthelight, The only real mixing I have done was a 5inch 11m2 slab by myself in one very LONG day! Lol I will probably gauge by doing something along those lines. Am I right in thinking you should add water to the drum first before cement and ballast to stop it from...
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    Breedon High Strength Cement Mix Ratio?

    Thanks woody, I know what you mean otherwise air pockets and gaps will form. I will start with 10% water content and work my way up till it looks right
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    Breedon High Strength Cement Mix Ratio?

    Thanks, although the ground is fairly dry at the moment. I suppose I will just have to see how its looking in the mixer
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    Breedon High Strength Cement Mix Ratio?

    Thanks for your reply Mikey, well after hearing this I am glad I didn't fork out an extra £250 for the pre mixed C40! So as an example if I go with 50kg (fairly dry) ballast, 10kg cement. Any ideas how much water? One thing the cement does state is to keep the water content as low as possible...
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    Breedon High Strength Cement Mix Ratio?

    Hello Jeds & Woody, Thanks for your replies. I was initially going to go with a 1:4 mix of ballast:cement, but judging by your replies so far it seems like an average would be around 1:6 ratio. I did see quite a lot of charts on google saying basically a 1:1 ratio of ballast:cement to make it...
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    Breedon High Strength Cement Mix Ratio?

    Hello, I am building a garden room 7.4m x 3.7m garden room on 15, 20cm x 40cm x 40cm concrete footings that I have made formwork for. I will also be putting 8mm stainless steel rebar in them as they are quite thick at 20cm. Everything is set in place, levelled, placed on Mot type 1 and ready to...
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    Garden Room Foundation Near Trees

    Hi Rusty, thanks for your reply, that is a good point about trees in the city. Ideally I would like a slab but like I just said to Woody in this thread I don't see how one could be built as there are plenty of thick tree roots. You are right easy pads would definitely be cheaper and much easier...
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    Garden Room Foundation Near Trees

    Thanks for this information, with this taken into consideration it seems like a raft would be best, however I don't see how one could be constructed as there are plenty of thick roots in this area. Especiallly with the correct sub base depth
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