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originalacidman
Joined: 15 Jan 2008
Posts: 4
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 Posted: Tue Jan 15, 2008 9:01 am Post subject: HELP! |
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Hello, I am looking for a bit of advice. Below are some planning drawings showing what I intend to do (garage extension to a semi-detached hoouse). I now have the approval on these and am in the process of working up the working drawings.
Any comments on what to do about the footings due to their closeness to the neighbouring property? Any comments on extending the hip roof?
I am a junior CAD technician doing this job as a favour for a mate, and am now slighlty stuck with progressing the working drawings to a suitable standard for building control, so any help or advice would be greatly appreciated.
Cheers,
Chris[/b]
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lekizz
millennium club
Joined: 11 Jan 2006
Posts: 1045
Location: UK
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| Posted: Tue Jan 15, 2008 12:09 pm Post subject: |
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So you are demolishing the existing garage/WC and rebuilding it from the foundations upwards, am I right? Is there a reason you can't build on the existing garage and its foundations? And to me your drawing gives the impression there is currently no gap between the garage and the neighbour, but you somehow want to create an 8-inch gap between one building and the next.
I've come across cantilevered footings before now, but I'm not sure I could design them myself
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originalacidman
Joined: 15 Jan 2008
Posts: 4
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| Posted: Wed Jan 16, 2008 2:50 am Post subject: |
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The existing garage is not in a very good condition, so will need to be taken down and the planners have insisted that I keep a gap of 275mm between the properties. I am unsure of what the existing foundations are and also do not know what footings are under the neighbours house, so would you advise I leave the foundations upto the contractor to get designed and approved? Also do you have any ideas on how to go about getting the roof hip extended- would you advise that I specify suitable members and get them approved by building control, then leave it upto the carpenter to liase with the inspector to put it together on site.
Ive attached some elevations to highlight whats been proposed.
Any advice greatly appreciated,
Cheers.
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lekizz
millennium club
Joined: 11 Jan 2006
Posts: 1045
Location: UK
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| Posted: Wed Jan 16, 2008 3:21 pm Post subject: |
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Interesting. It looks like one of those ubiquitous suburban 1920's British semi's. Are you in the UK? I guess that an American would do a favour for his 'buddy' rather than his 'mate' 
Thinking about it, you would have difficulty designing a footing with confidence unless you know what the neighbour's foundation is like. Has your 'mate' sought advice/quotes from local builders. Maybe, like you suggest, they will have experience of this type of development. I assume you are on friendly terms with the neighbours and you have given them notice that you will be digging around their foundations.
Apart from that, I can't be much more help. There are a number of 'residential designers' on this forum, who are generally not backwards in coming forwards. Maybe they will be able to offer some pearls of wisdom. Good luck!
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originalacidman
Joined: 15 Jan 2008
Posts: 4
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| Posted: Thu Jan 17, 2008 8:46 am Post subject: |
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Yes thats right, its a typical British semi located in sunny Birmingham, UK.
The owner hasnt got any quotes yet as he's waiting for me to get the working drawings finished before getting any builders involved. I think he gets on well with the neighbours, but I'll serve them with a party wall notice before any works start.
Thanks for your advice lekizz!
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