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New Workshop

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David Williams - 30 Jul 2006 17:05 GMT
Hi all - Moving house soon, so de-lurking to ask for help from you
knowledgeable folk with constructing a workshop at the new place.
Have googled the groups and found lots of useful stuff (mostly
American) but still have a few questions (that I also posted to the
DIY group).

It needs planning permission as it's a conservation area, but the house is
not listed even though it's  a 250+ year old thatched cottage.

Workshop primarily for radio controlled model aeroplane and helicopter
construction/maintenance/storage, plus household DIY and probably
acquisition of a lathe (and mill?) to try some model engineering. Probably
roughly single garage sized, to go alongside the existing block/render/stone
faced single garage. Would be for all year round use - most model building
done in the winter when weather too bad for flying.

1) From an insulation/usability point of view would I be better with one of
the log cabin type buildings with 44mm thick interlocking 'log' walls or a
traditional shiplap type shed that I then line with insulating foam and
ply/chipboard/plasterboard? Would the 'log' cabin type need additional
insulation also?

2) Is the typical 19mm t&g floor on pressure treated bearers man enough to
take a small lathe (Myford or similar type)?

3) Is it worth the effort and expense of a full concrete base or are slabs
on hardcore/gravel adequate?

4) How do I best insulate the floor while avoiding damp seeping up?

5) How do I work out how many/type/size/wattage fluorescent fittings to give
adequate lighting? (I'm aware of the possibility of strobe effects on
rotating
machinery and that I probably need local non-fluorescent lighting for these)

I intend to lay plastic tube (small diameter drain pipe or similar)
underground
to the workshop with power cable and strings to pull other services
(phone/network/TV aerial/etc) through if needed and will also allow for more
power/sockets than I think I need.

TIA,
David
Kevin Steele - 30 Jul 2006 17:48 GMT
It may pay to word the planning application carefully, phrases like
"summer house", "storage shed", "hobby room ", etc seem to find much
more favour with the officials in the planning department than
"workshop".  As soon as you mention workshop they think industrial use
and think that you want to start running a business from there.

Regards
Kevin

>It needs planning permission as it's a conservation area, but the house is
>not listed even though it's  a 250+ year old thatched cottage.
Greg - 30 Jul 2006 18:49 GMT
> It may pay to word the planning application carefully, phrases like
> "summer house", "storage shed", "hobby room ", etc seem to find much
> more favour with the officials in the planning department than
> "workshop".  As soon as you mention workshop they think industrial use
> and think that you want to start running a business from there.

As a member of a planning committee myself I can second that, applying for a
workshop does raise concerns.

How about simply building a proper garage from materials in keeping with the
house?, assuming you have vehicular access the permission would probably be
straight forward as you're not asking for anything odd, and you would add to
the value of your house in the process. Of course once built it's completely
up to you what you do with your 'garage'...

Greg
Steve W - 30 Jul 2006 19:36 GMT
>> It may pay to word the planning application carefully, phrases like
>> "summer house", "storage shed", "hobby room ", etc seem to find much
[quoted text clipped - 17 lines]
>
> Greg

I agree,  but for best benefit you need a cavity wall,  and then the council
assume an extra bedroom on on the sly...

I went for single brick and wish I'd gone the whole hog with a cavity wall.

Steve
rsss - 31 Jul 2006 01:06 GMT
Kevin Steele Wrote:

> It may pay to word the planning application carefully, phrases like
> "summer house", "storage shed", "hobby room ", etc seem to find much
[quoted text clipped - 4 lines]
> Regards
> Kevin

Faced with the same problem, I came tothe conclusion that there is
lot to be said fro a SIPPS building, which seem to be very rigid an
warm.  But with a 250 year old thatched cottage why not go for Gunit
concrete sprayed over a foam core (including the roof) with fibreglas
thatch to 'blend'?

Regards
Robi

--
rss
Nick Müller - 30 Jul 2006 19:30 GMT
> 5) How do I work out how many/type/size/wattage fluorescent fittings to give
> adequate lighting? (I'm aware of the possibility of strobe effects on
> rotating
> machinery and that I probably need local non-fluorescent lighting for these)

I do have flourescent light only in my cellar shop and I never have any
strobe effects / problems. You can't have too much light for precision
work, so I have light nearly all around the wall. I use cold white that
is better for work.

> I intend to lay plastic tube (small diameter drain pipe or similar)
> underground
> to the workshop with power cable and strings to pull other services
> (phone/network/TV aerial/etc) through if needed and will also allow for more
> power/sockets than I think I need.

I mounted tubes on the wall. Very flexible if you have to expand it.
Doesn't look that good, but who cares in a shop. It is not a living
room.
Can't have enough wall plugs, so plan ahead!

It is important to keep humidity outside. I really have to fight it in
the celler during this hot summer. But I can't give you tips what to do
on the construction side.

HTH,
Nick
Signature

The modular DRO
 Available now in USA / Canada
     <http://www.yadro.de>
..|....|....|....|....|....|....|..

David Littlewood - 30 Jul 2006 22:38 GMT
>Can't have enough wall plugs, so plan ahead!

I second that! When I built my workshop (about 8ft square, part of a
house extension) 20+ years ago, I put a pair of double sockets on each
wall. Not enough! Should have had at least twice as many. In fact I
sometimes think a continuous strip of sockets all round would be nice...

David
Signature

David Littlewood

John Stevenson - 31 Jul 2006 08:17 GMT
>>Can't have enough wall plugs, so plan ahead!
>>
[quoted text clipped - 4 lines]
>
>David

Mount a few doubles on the front of the benches so you don't have
trailing leads all over the bench.

There's nothing worse than pulling a lead and knocking your beer over.

.
--
Regards,

John Stevenson
Nottingham, England.

Visit the new Model Engineering adverts page at:-
http://www.homeworkshop.org.uk/
Prepair Ltd - 31 Jul 2006 08:34 GMT
>>>Can't have enough wall plugs, so plan ahead!
>>>
[quoted text clipped - 11 lines]
>
>.

Switched metal-clad doubles would be better :-))

Peter
--
Peter A Forbes
Prepair Ltd, Luton, UK
prepair@easynet.co.uk
http://www.prepair.co.uk
Joules Beech - 31 Jul 2006 09:00 GMT
>> There's nothing worse than pulling a lead and knocking your beer over.
>>
>> .
>
> Switched metal-clad doubles would be better :-))

Also make that, waterproof, nothing worse than trying to pull beer
soaked plugs out of sockets with an oily cloth, getting a shock and
having the cloth ignite is such a pain...... and further waste of beer
and effort putting the bench out.

               Joules
Andrew Mawson - 31 Jul 2006 12:07 GMT
> >>>Can't have enough wall plugs, so plan ahead!
> >>>
[quoted text clipped - 20 lines]
> prepair@easynet.co.uk
> http://www.prepair.co.uk

And mounted in a recess so they don't get whacked !

AWEM
Mike H - 30 Jul 2006 22:27 GMT
My 8' x 14' workshop is ship-lap, insulated, lined and double glazed. I
now regret not realising the importance of a solid floor because even
after reinforcing the supplied T&G floor with a layer of heavy duty T&G
flooring grade chipboard I still find problems when swinging anything
unbalanced on my 8" Holbrook. When looking I specifically wanted the
roof to overhang the windows in order to reduce solar gain from the
mid-day sun and also I wanted reasonably generous scantlings. I soon
found that there are two kinds of supplier of garden sheds
a) who was only interested in selling me what was in his catalogue
b) who was quite sure that what I really should have is ...
In the end I went slightly up-market and contacted some firms that cater
for the horsey trade (loose boxes and stables). That was a different
ball-game and I eventually found what I wanted at a price I could
afford.

In the last few weeks I have just gone through the same process all over
again and am fitting out a shed as a studio for my wife. For this one we
seem to have struck lucky in finding an 'ordinary' shed and fencing
supplier who did not fit the stereotypes above. We were happy to take
his advice that the 'log' cabin suppliers tent to be very inflexible
unless you are prepared to go to the luxury end of the market. Based on
the experience of my workshop, we supplied him with a fairly tight
specification for a bespoke shed. However the question of insulation was
left open. We received more than enough match-boarding for a DIY inner
lining together with an adequate quantity 50mm polystyrene slabs.

>Have googled the groups and found lots of useful stuff (mostly
>American) but still have a few questions (that I also posted to the
>DIY group).
Don't try <uk.rec.sheds>! Or if you do, don't say you weren't warned!

>3) Is it worth the effort and expense of a full concrete base or are slabs
>on hardcore/gravel adequate?
See below

>4) How do I best insulate the floor while avoiding damp seeping up?
There are damp-proof membranes and also purpose made polystyrene
flooring insulation slabs so this is an area where it might be worth
seeking some expert opinions before hiring that cement mixer.

>5) How do I work out how many/type/size/wattage fluorescent fittings to give
>adequate lighting? (I'm aware of the possibility of strobe effects on
>rotating
>machinery and that I probably need local non-fluorescent lighting for these)
The more light the better. I have a pair of industrial type fittings
each containing two 6' fluorescent tubes and have no problems from
strobe effects. I also have an ancient 'anglepoise' type fitting over
the lathe with a filament bulb. It may be worth your while looking at
some of the modern low-voltage directional spots which seem to be
available everywhere these days.
Signature

Mike Hopkins
CSME <http://www.cheltsme.org.uk>
5" gauge (2 1/2" scale) Alice class Hunslet

Mark Rand - 31 Jul 2006 00:13 GMT
>Hi all - Moving house soon, so de-lurking to ask for help from you
>knowledgeable folk with constructing a workshop at the new place.
[quoted text clipped - 4 lines]
>It needs planning permission as it's a conservation area, but the house is
>not listed even though it's  a 250+ year old thatched cottage.

Does this limit the materials and construction that can be used?  You may get
a better response if the walls look similar to the local buildings and the
roof is at similar angles.

>Workshop primarily for radio controlled model aeroplane and helicopter
>construction/maintenance/storage, plus household DIY and probably
>acquisition of a lathe (and mill?) to try some model engineering. Probably
>roughly single garage sized, to go alongside the existing block/render/stone
>faced single garage. Would be for all year round use - most model building
>done in the winter when weather too bad for flying.

Make is twice as large as you think it should be.. Seriously.  I can guarantee
that you will want it bigger within months of finishing it. Since you need
planning permission anyway, you won't have that as a hurdle lurking past a
given size. Running out of garden is a down side of this approach, but if
you've got the land then use it.

>1) From an insulation/usability point of view would I be better with one of
>the log cabin type buildings with 44mm thick interlocking 'log' walls or a
>traditional shiplap type shed that I then line with insulating foam and
>ply/chipboard/plasterboard? Would the 'log' cabin type need additional
>insulation also?

If you have to use brick then got for insulated cavity wall. If you can use
board then consider structural insulated panels:-

http://www.siptec.com/

They are not cheap, but are a bit less than brick cavity walls. They can be
put up a lot quicker than bricks by people who don't know how to do bricks.
You do need two people and a good sledge hammer for positioning.

>2) Is the typical 19mm t&g floor on pressure treated bearers man enough to
>take a small lathe (Myford or similar type)?

Barely.

>3) Is it worth the effort and expense of a full concrete base or are slabs
>on hardcore/gravel adequate?

slabs on hardcore/gravel will move and allow damp though. If you have a wooden
floor above and a DPM below the slabs, it will be ok. A concrete floor isn't
much more work than a concrete base.

>4) How do I best insulate the floor while avoiding damp seeping up?

4" polystyrene slabs under the concrete with a damp proof membrane taped above
and below the foam. It takes the place of the hardcore (if the ground is
finished flat enough). The DPM makes the concrete slide around easily when
laying. You end up with a warm concrete floor.

>5) How do I work out how many/type/size/wattage fluorescent fittings to give
>adequate lighting? (I'm aware of the possibility of strobe effects on
>rotating
>machinery and that I probably need local non-fluorescent lighting for these)

A good number to aim for is 2W of fluorescent lighting per ft^2. This will
give ample lighting with a white ceiling and light coloured walls and you
should only need task lighting for fine work. Stroboscopic effect is not
significant with modern tubes (I had quite a job a few years ago trying to get
a good image on a pulley with black and white marks on it and normal fittings
and tubes). To avoid the issue entirely, get high frequency fittings, Mine
cost £160 for 14 off 4' Category 2 HF units from here:-

http://search.ebay.co.uk/_W0QQsassZpeterchemQQhtZ-1

>I intend to lay plastic tube (small diameter drain pipe or similar)
>underground
>to the workshop with power cable and strings to pull other services

Same here as the size, put more/bigger tubes than you think that you will need
(if it's detached). You may want water/gas/compressed
air/phone/aerial/network/tea/coffee plumbing in as time goes on.

>(phone/network/TV aerial/etc) through if needed and will also allow for more
>power/sockets than I think I need.

Ditto, a double socket every 18" is very convenient. If you can get hold of
some trunking without breaking the bank, it looks quite good.

Here are some ideas on how not to do it :-(

http://www.test-net.com/workshop/

Must add some pictures to show the current state of things.

Regards
Mark Rand (Usual disclaimers about suppliers)
RTFM
Tim Leech - 31 Jul 2006 09:11 GMT
>>Hi all - Moving house soon, so de-lurking to ask for help from you
>>knowledgeable folk with constructing a workshop at the new place.
[quoted text clipped - 8 lines]
>a better response if the walls look similar to the local buildings and the
>roof is at similar angles.

Our house is listed, and in a conservation area, we've found the local
planning dept more than willing in the past for someone to come out &
talk about what they would look kindly on and what they wouldn't.
Probably well worth approaching them when you've sketched out some
basic ideas.

Mind you, a friend is in a similar situation 30 miles away, different
borough, their experience has been exactly the opposite.

Cheers
Tim

Dutton Dry-Dock
Traditional & Modern canal craft repairs
Vintage diesel engine service
Charles Ping - 31 Jul 2006 06:47 GMT
>Hi all - Moving house soon, so de-lurking to ask for help from you
>knowledgeable folk with constructing a workshop at the new place.
[quoted text clipped - 39 lines]
>TIA,
>David

When I moven in we inherited planning permission for a block built and
rendered double garage. Problem was it was in the wrong place.
I neogitated with the council a "variation in planning permission" to
build a different building in a different place. One of the aspects
that swung it was that I wanted to build a traditional
timber/featherboard/pantiled construction. They thought that was much
more in keeping with rural Suffolk than block and render. It was also
much easier to build for someone who has limited skills as a brickie
but is quite good with 4x2. It's also easy to insulate.

Charles
John - 31 Jul 2006 13:56 GMT
I just dropped a 28ft ex refrigerated container in my back garden, painted
it NATO green and grew creeping vines round it.......works very well.

John.

>>Hi all - Moving house soon, so de-lurking to ask for help from you
>>knowledgeable folk with constructing a workshop at the new place.
[quoted text clipped - 56 lines]
>
> Charles
David Williams - 31 Jul 2006 20:53 GMT
Thanks everyone for your useful (and entertaining) suggestions. I'm trying
to get to have a discussion with the planning people but at the moment
they're in "write to us with your proposal and we'll give you an indication
whether it might succeed" mode.

I'm a bit limited by the shape of the garden, drive and existing single
garage but assuming the existing garage stays I can get something about 16ft
by 13ft while still conforming to the planning rules of 5m from the house
and 1m from the boundary (if it's timber).

Just want something that will be warm and comfortable to work in in the
winter without breaking the bank (this is part of my early retirement
downsizing so don't want to deplete the pension pot too much!) and leaving
enough money for equipment.

The research continues..........

David
Greg - 31 Jul 2006 22:57 GMT
>but at the moment
>they're in "write to us with your proposal and we'll give you an indication
>whether it might succeed" mode.

Planning has had a shake up recently, they now have government targets for
dealing with actual applications within a certain time so are getting hard
nosed. Around here this has resulted in two things and I doubt it's much
different anywhere as they all have the same targets. Firstly, any
application that is in any way incomplete is immediately rejected, there's
no more asking you for more information as the clock is ticking and it's
they who get penalised. Secondly, anything less than an actual application
is a low priority, where they used to be happy to spend time talking and
writing letters before the application they don't like it any more as it
doesn't count to their targets.

This is a great shame, where you used to be able to sort things out to avoid
wasting time and money on a flawed application you can now wait months for a
reply to a letter. But please don't blame those in the planning department
because they are as unhappy about it as anyone, it's yet another example of
government targets causing more harm than good.

> I'm a bit limited by the shape of the garden, drive and existing single
> garage but assuming the existing garage stays I can get something about 16ft
> by 13ft while still conforming to the planning rules of 5m from the house
> and 1m from the boundary (if it's timber).

That 5m from the house isn't set in stone, we see plenty of applications
that are within so don't be put off from applying for what you really want.

Greg
 
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