2 Jan
2014
2 Jan
'14
12:10 p.m.
I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
Thanks
Rob
2 Jan
2 Jan
12:17 p.m.
I don't know what it can bare, BUT, I'd be inclined to recommend distributing the
load. Get some long boards, and put under it with the boards running the opposite
direction of the beams under the floor.
Zane
On Jan 2, 2014, at 12:10 PM, "Robert Jarratt" <robert.jarratt at
ntlworld.com> wrote:
I recently bought a lovely PDP11/45 in a H960 rack,
with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
Thanks
Rob
1:38 p.m.
Hi Robert
Great score!
My math may be rusty, but.....
Remember, two people giving each other a hug, can comfortably put 200Kg
into a small area..... I keep this in mind when I see the sign at work
that indicates that the maximum floor loading is 400Kg/m2.... Two
people put 200Kg across their foot area, (about 0.12m2) = Which I
suspect works out as about 1666kg/m2!
Using the same maths, a lady wearing stilettos can easily drop 50Kg over
1cm2 - that is 500,000Kg/m2 - That probably explains the 'poc' marks on
wooden floors I see!
A normal timber floor will comfortably hold a couple of hundred kg
spread over the area of a 19" rack, keep in mind that your rack has
feet, so just place some 19mm board under the feet to distribute the load.
Doug
On 3/01/2014 7:17 AM, Zane Healy wrote:
I don't know what it can bare, BUT, I'd be
inclined to recommend distributing the load. Get some long boards, and put under it with
the boards running the opposite direction of the beams under the floor.
Zane
On Jan 2, 2014, at 12:10 PM, "Robert Jarratt" <robert.jarratt at
ntlworld.com> wrote:
--
Doug Jackson
Dougs Word Clocks.com Pty Ltd
www.dougswordclocks.com
I recently bought a lovely PDP11/45 in a H960
rack, with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
Thanks
Rob
4:33 p.m.
Yes, I thought about the weight of people, also I am pretty sure fully
loaded bookcases are not exactly light either. I will buy myself a nice
sheet of thick plywood to put it on just to spread the load.
Thanks
Rob
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Doug Jackson
Sent: 02 January 2014 21:38
To: cctalk at classiccmp.org
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
Hi Robert
Great score!
My math may be rusty, but.....
Remember, two people giving each other a hug, can comfortably put 200Kg
into a small area..... I keep this in mind when I see the sign at work
that
indicates that the maximum floor loading is
400Kg/m2.... Two people put
200Kg across their foot area, (about 0.12m2) = Which I suspect works out
as
about 1666kg/m2!
Using the same maths, a lady wearing stilettos can easily drop 50Kg over
1cm2 - that is 500,000Kg/m2 - That probably explains the 'poc' marks on
wooden floors I see!
A normal timber floor will comfortably hold a couple of hundred kg spread
over the area of a 19" rack, keep in mind that your rack has feet, so just
place
some 19mm board under the feet to distribute the
load.
Doug
On 3/01/2014 7:17 AM, Zane Healy wrote:
boards
I don't know what it can bare, BUT, I'd
be inclined to recommend
distributing the load. Get some long boards, and put
under it with the running the opposite direction of the beams under the
floor.
--
Doug Jackson
Dougs Word Clocks.com Pty Ltd
www.dougswordclocks.com
Zane
On Jan 2, 2014, at 12:10 PM, "Robert Jarratt"
<robert.jarratt at
ntlworld.com> wrote:
> I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a
> Unibus Expansion box and an RK05 drive. I am guessing the whole thing
> must weigh at least 100Kg, possibly 150Kg or even more (my worst case
estimate
is 200Kg).
I am concerned whether the floor of the upstairs room where I now
have it can bear the weight. I have placed it right next to a load
bearing wall to ease the strain on the joists. Can anyone tell me
what sort of weight a normal UK upstairs floor can bear? If my
guessed weight is anything close to the limit I will weigh parts of
the machine to get a more accurate idea of the actual weight.
Thanks
Rob
6:42 p.m.
In spite of spreading the load quite a bit, my bookcases rather worried me when we lived
in an Apartment. Of course we also had a Neo Geo arcade up there as well. The arcade
machine worried me a bit more than the bookcases, since, like a computer rack, it put its
weight on 4 feet.
Of course a friend of mine had a huge mound of electronic scrape in the middle of the
floor in the second bedroom in the 2nd floor apartment he had. I don't even want to
think what that pile weighed.
Zane
On Jan 2, 2014, at 4:33 PM, "Robert Jarratt" <robert.jarratt at
ntlworld.com> wrote:
Yes, I thought about the weight of people, also I am
pretty sure fully
loaded bookcases are not exactly light either. I will buy myself a nice
sheet of thick plywood to put it on just to spread the load.
Thanks
Rob
7:37 p.m.
I have part of my paper archive in a bedroom upstairs
some are are on shelf units some in plastic boxes stacked 5 high
UK 1960 house
map at
http://www.collection.archivist.info/archive/mirror/maps/frontbed.png
It is out of date as there are now more boxes filled and stacked.
I know I am well above your weight and getting away with it so far
Boxes are about 20kg so 100 per stack
Dave Caroline
On 03/01/2014, Robert Jarratt <robert.jarratt at ntlworld.com> wrote:
Yes, I thought about the weight of people, also I am
pretty sure fully
loaded bookcases are not exactly light either. I will buy myself a nice
sheet of thick plywood to put it on just to spread the load.
Thanks
Rob
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Doug Jackson
Sent: 02 January 2014 21:38
To: cctalk at classiccmp.org
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
Hi Robert
Great score!
My math may be rusty, but.....
Remember, two people giving each other a hug, can comfortably put 200Kg
into a small area..... I keep this in mind when I see the sign at work
that
indicates that the maximum floor loading is
400Kg/m2.... Two people put
200Kg across their foot area, (about 0.12m2) = Which I suspect works out
as
about 1666kg/m2!
Using the same maths, a lady wearing stilettos can easily drop 50Kg over
1cm2 - that is 500,000Kg/m2 - That probably explains the 'poc' marks on
wooden floors I see!
A normal timber floor will comfortably hold a couple of hundred kg spread
over the area of a 19" rack, keep in mind that your rack has feet, so
just
place
some 19mm board under the feet to distribute the
load.
Doug
On 3/01/2014 7:17 AM, Zane Healy wrote:
boards
I don't know what it can bare, BUT, I'd
be inclined to recommend
distributing the load. Get some long boards, and put
under it with the running the opposite direction of the beams under
the floor.
--
Doug Jackson
Dougs Word Clocks.com Pty Ltd
www.dougswordclocks.com
Zane
On Jan 2, 2014, at 12:10 PM, "Robert Jarratt"
<robert.jarratt at
ntlworld.com> wrote:
> I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a
> Unibus Expansion box and an RK05 drive. I am guessing the whole thing
> must weigh at least 100Kg, possibly 150Kg or even more (my worst case
estimate
is 200Kg).
I am concerned whether the floor of the upstairs room where I now
have it can bear the weight. I have placed it right next to a load
bearing wall to ease the strain on the joists. Can anyone tell me
what sort of weight a normal UK upstairs floor can bear? If my
guessed weight is anything close to the limit I will weigh parts of
the machine to get a more accurate idea of the actual weight.
Thanks
Rob
2:07 p.m.
Yes, I had thought of that, I think you are right and I will do that, unless
I can be convinced that it is OK.
Thanks
Regards
Rob
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Zane Healy
Sent: 02 January 2014 20:18
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
I don't know what it can bare, BUT, I'd be inclined to recommend
distributing
the load. Get some long boards, and put under it with
the boards running
the opposite direction of the beams under the floor.
Zane
On Jan 2, 2014, at 12:10 PM, "Robert Jarratt"
<robert.jarratt at
ntlworld.com>
wrote:
I recently bought a lovely PDP11/45 in a H960
rack, with the CPU, a
Unibus Expansion box and an RK05 drive. I am guessing the whole thing
must weigh at least 100Kg, possibly 150Kg or even more (my worst case
estimate is
200Kg).
I am concerned whether the floor of the upstairs room where I now have
it can bear the weight. I have placed it right next to a load bearing
wall to ease the strain on the joists. Can anyone tell me what sort of
weight a normal UK upstairs floor can bear? If my guessed weight is
anything close to the limit I will weigh parts of the machine to get a
more accurate idea of the actual weight.
Thanks
Rob
1:33 p.m.
On Thu, 2 Jan 2014, Robert Jarratt wrote:
I recently bought a lovely PDP11/45 in a H960 rack,
with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
I'm afraid I can't answer the question directly, but I had similar
concerns when moving a fully-loaded IBM SP/2 rack into my upstairs office
- some 2200lbs of machinery.
I placed a three foot by three foot sheet of 3/4" structural ply and built
the machine on top of that (having to dismantle it to get it upstairs to
begin with), reducing the 2200lbs over four castors (550lbs per
square-inch) to a much more reasonable ~2lbs per square inch (~240lbs per
square-foot).
It's not exactly attractive, but in my case, the rather large side-skirts
of the SP/2 actually make the base rather difficult to see.
For what it's worth. Congratulations on the purchase, and good luck.
- JP
1:49 p.m.
On Jan 2, 2014, at 3:10 PM, Robert Jarratt <robert.jarratt at ntlworld.com> wrote:
I recently bought a lovely PDP11/45 in a H960 rack,
with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
That sounds plausible.
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
A simple way to answer that would be to find out if a standard UK upstairs floor can
support a grand piano. If yes, you?re fine because those are heavier. If precautions are
needed, apply those.
Another way to look at it: can a standard UK floor handle three people standing close
together? I would assume yes.
paul
4:27 p.m.
On 1/2/14 1:10 PM, Robert Jarratt wrote:
I recently bought a lovely PDP11/45 in a H960 rack,
with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
Thanks
Rob
Depends a lot on the termite population, I would imagine. J/K
200 kg. is still a bit lighter than the average grand piano, so I would
say, use your best judgement. I live in a mobile home, and probably have
8-900 kg. of stuff in my 'server room' alone, not counting a room
directly adjacent to that with even more in computers and spare parts.
This is in a 14 x 80 ft. single wide mobile home. Been here 18 years
with no problems yet. :)
Dave L.
--
Dave Land
Land Computer Service xmechanic at landcomp.net
ICQ: 676030523
6:59 p.m.
On Jan 2, 2014, at 16:27 , Dave Land <xmechanic at landcomp.net> wrote:
Depends a lot on the termite population, I would
imagine. J/K
200 kg. is still a bit lighter than the average grand piano, so I would say, use your
best judgement. I live in a mobile home, and probably have 8-900 kg. of stuff in my
'server room' alone, not counting a room directly adjacent to that with even more
in computers and spare parts.
This is in a 14 x 80 ft. single wide mobile home. Been here 18 years with no problems
yet. :)
I live in a doublewide manufactured home. That is, just like a mobile home, but the axles
and tongue have been cut off and it's secured to a permanent foundation with a
crawlspace. The interior is supported by metal jacks like a mobile home would be. I have a
750 pound T-368C transmitter in my radio room up near an exterior wall, and it hasn't
fallen through the floor yet. I'm also a bit concerned about just how much hardware I
want to pack into a room here. I probably wouldn't DEC the walls with fully-loaded 42U
racks, but sparsely placed racks are probably OK, particularly if some care is taken to
spread the load across a few joists and stay near ends of spans.
--
Mark J. Blair, NF6X <nf6x at nf6x.net>
http://www.nf6x.net/
6:44 p.m.
Totally unrelated on the wheight topic, but on the topic of acquiring PDP 11/4x, where do
people get the opportunity to buy a PDP 11/40 or PDP 11/45? I've been looking for one
in Europe for the last 5 years and never came across one...
Happy new year to the list,
Pierre
?
-------------------------------------------------------------------------------
Pierre's collection of classic computers : http://classic-computing.dyndns.org/
________________________________
Von: Robert Jarratt <robert.jarratt at ntlworld.com>
An: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
Gesendet: 21:10 Donnerstag, 2.Januar 2014
Betreff: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a Unibus
Expansion box and an RK05 drive. I am guessing the whole thing must weigh at
least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg).
I am concerned whether the floor of the upstairs room where I now have it
can bear the weight. I have placed it right next to a load bearing wall to
ease the strain on the joists. Can anyone tell me what sort of weight a
normal UK upstairs floor can bear? If my guessed weight is anything close to
the limit I will weigh parts of the machine to get a more accurate idea of
the actual weight.
Thanks
Rob
3 Jan
3 Jan
12:02 a.m.
The one I got was posted to this list back in April.
Regards
Rob
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of P Gebhardt
Sent: 03 January 2014 02:44
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
Totally unrelated on the wheight topic, but on the topic of acquiring PDP
11/4x, where do people get the opportunity to buy a PDP 11/40 or PDP
11/45? I've been looking for one in Europe for the last 5 years and never
came across one...
Happy new year to the list,
Pierre
----------------------------------------------------------------------------
---
Pierre's collection of classic computers :
http://classic-computing.dyndns.org/
________________________________
Von: Robert Jarratt <robert.jarratt at ntlworld.com>
An: General Discussion: On-Topic and Off-Topic Posts
<cctalk at classiccmp.org>
Gesendet: 21:10 Donnerstag, 2.Januar 2014
Betreff: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a
Unibus Expansion box and an RK05 drive. I am guessing the whole thing
must weigh at least 100Kg, possibly 150Kg or even more (my worst case
estimate is
200Kg).
>
>
>
>I am concerned whether the floor of the upstairs room where I now have
>it can bear the weight. I have placed it right next to a load bearing
>wall to ease the strain on the joists. Can anyone tell me what sort of
>weight a normal UK upstairs floor can bear? If my guessed weight is
>anything close to the limit I will weigh parts of the machine to get a
>more accurate idea of the actual weight.
>
>
>
>Thanks
>
>
>
>Rob
>
>
>
> 
2:15 a.m.
Hi, its not from Irland by any chance is it ? I got a 11/50 from there
about that time and I allways suspected there was a 45 assosiated with the
same system somewere. If it is this one then you may be missing the front
bessel, if so mail me as I have it here!
Dave
----- Original Message -----
From: "Robert Jarratt" <robert.jarratt at ntlworld.com>
To: "'General Discussion: On-Topic and Off-Topic Posts'"
<cctalk at classiccmp.org>
Sent: Friday, January 03, 2014 8:02 AM
Subject: RE: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
The one I got was posted to this list back in April.
Regards
Rob
-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2247 / Virus Database: 3658/6470 - Release Date: 01/02/14
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of P Gebhardt
Sent: 03 January 2014 02:44
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
Totally unrelated on the wheight topic, but on the topic of acquiring PDP
11/4x, where do people get the opportunity to buy a PDP 11/40 or PDP
11/45? I've been looking for one in Europe for the last 5 years and never
came across one...
Happy new year to the list,
Pierre
----------------------------------------------------------------------------
---
Pierre's collection of classic computers :
http://classic-computing.dyndns.org/
________________________________
Von: Robert Jarratt <robert.jarratt at ntlworld.com>
An: General Discussion: On-Topic and Off-Topic Posts
<cctalk at classiccmp.org>
Gesendet: 21:10 Donnerstag, 2.Januar 2014
Betreff: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a
Unibus Expansion box and an RK05 drive. I am guessing the whole thing
must weigh at least 100Kg, possibly 150Kg or even more (my worst case
estimate is
200Kg).
>
>
>
>I am concerned whether the floor of the upstairs room where I now have
>it can bear the weight. I have placed it right next to a load bearing
>wall to ease the strain on the joists. Can anyone tell me what sort of
>weight a normal UK upstairs floor can bear? If my guessed weight is
>anything close to the limit I will weigh parts of the machine to get a
>more accurate idea of the actual weight.
>
>
>
>Thanks
>
>
>
>Rob
>
>
>
>
4 Jan
4 Jan
2:38 a.m.
No it isn't from Ireland, it is from the south of England actually. I can
travel a bit for something interesting, but Ireland would be a bit too far
for me :-). I am missing some blanking panels though, so if you have any
going spare....
It was posted to the list in April, but I only collected it a week ago.
Regards
Rob
01/02/14
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of David Humphries
Sent: 03 January 2014 10:16
To: General Discussion: On-Topic Posts Only
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
Hi, its not from Irland by any chance is it ? I got a 11/50 from there
about that
time and I allways suspected there was a 45
assosiated with the same
system somewere. If it is this one then you may be missing the front
bessel,
if so mail me as I have it here!
Dave
----- Original Message -----
From: "Robert Jarratt" <robert.jarratt at ntlworld.com>
To: "'General Discussion: On-Topic and Off-Topic Posts'"
<cctalk at classiccmp.org>
Sent: Friday, January 03, 2014 8:02 AM
Subject: RE: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
PDP
The one I got was posted to this list back in
April.
Regards
Rob
> -----Original Message-----
> From: cctalk-bounces at classiccmp.org [mailto:cctalk-
> bounces at classiccmp.org] On Behalf Of P Gebhardt
> Sent: 03 January 2014 02:44
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor
(UK)
>>
>> Totally unrelated on the wheight topic, but on the topic of acquiring >> 11/4x, where do people get the opportunity to
buy a PDP 11/40 or PDP
>> 11/45? I've been looking for one in Europe for the last 5 years and
never
>> came across one...
>>
>> Happy new year to the list,
>> Pierre
>>
>>
>>
>>
>
----------------------------------------------------------------------------
---
have
>> >it can bear the weight. I have placed it right next to a load bearing
>> >wall to ease the strain on the joists. Can anyone tell me what sort of
>> >weight a normal UK upstairs floor can bear? If my guessed weight is
>> >anything close to the limit I will weigh parts of the machine to get a
>> >more accurate idea of the actual weight.
> Pierre's collection of classic computers :
http://classic-computing.dyndns.org/
>
>
> >________________________________
> > Von: Robert Jarratt <robert.jarratt at ntlworld.com>
> >An: General Discussion: On-Topic and Off-Topic Posts
> ><cctalk at classiccmp.org>
> >Gesendet: 21:10 Donnerstag, 2.Januar 2014
> >Betreff: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
>
>
> >I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a
> >Unibus Expansion box and an RK05 drive. I am guessing the whole thing
> >must weigh at least 100Kg, possibly 150Kg or even more (my worst case
> estimate is 200Kg).
>
>
>
> >I am
concerned whether the floor of the upstairs room where I now >
>
>
> >
>>
>Thanks
> >
>
>
> >
>>
>Rob
> >
>
>
> >
> >
>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2247 / Virus Database: 3658/6470 - Release Date: >
2 Jan
2 Jan
8:40 p.m.
Just recently, I had occasion to try to look up the design standards for
floor loading for residential construction in the USA. There apparently
isn't a uniform standard here, as building codes vary widely, but quoted
figures for "live loads" (the load that is produced by use and occupancy,
as distinct from the load produced by elements of the building itself)
range from 30-50 lb/ft^2 of uniform loading (150-250 kg/m^2).
3 Jan
3 Jan
12:46 a.m.
On Thu, Jan 02, 2014 at 08:10:54PM -0000, Robert Jarratt wrote:
[...]
I am concerned whether the floor of the upstairs room
where I now have it can
bear the weight. I have placed it right next to a load bearing wall to ease
the strain on the joists. Can anyone tell me what sort of weight a normal UK
upstairs floor can bear? If my guessed weight is anything close to the limit
I will weigh parts of the machine to get a more accurate idea of the actual
weight.
You'll be wanting BS6399, which will set you back an eyewatering ?64.50 if you
buy it from the British Standards Institution, or you can check out this
naughty copy: http://mkchariths.webs.com/BS-6399-Part-1.pdf
Anyway, given your upstairs room is almost certainly officially a bedroom, the
said standard states that it should have been designed to take a minimum of a
"uniformity distributed load" of 1.5kN/m^2 or a concentrated load of 1.8kN.
Why the standard gives force rather than mass is anybody's guess, but that is
of course equivalent to 150kg/m^2 for all of your machines in there, and 180kg
for a single machine. For people still living in the 1950s, that's 30lb/sqft
and 400lb.
Even without a copy of the standard, 200kg is clearly not unreasonable. I weigh
just over 100kg[0] and bedroom floors need to be able to take two people plus a
double bed. (Or this being the enlightened 21st century, three plus a
king-sized bed.)
[0] This is mainly due to me being above 95th percentile height, with my love
of pies being almost incidental.
2:13 a.m.
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Peter Corlett
Sent: 03 January 2014 08:46
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Keeping a Heavy Machine on a Domestic Suspended Floor (UK)
On Thu, Jan 02, 2014 at 08:10:54PM -0000, Robert Jarratt wrote:
[...]
this
I am concerned whether the floor of the upstairs
room where I now have
it can bear the weight. I have placed it right next to a load bearing
wall to ease the strain on the joists. Can anyone tell me what sort of
weight a normal UK upstairs floor can bear? If my guessed weight is
anything close to the limit I will weigh parts of the machine to get a
more accurate idea of the actual weight.
You'll be wanting BS6399, which will set you back an eyewatering ?64.50 if
you buy it from the British Standards Institution, or you can check out naughty copy:
http://mkchariths.webs.com/BS-6399-Part-1.pdf
Anyway, given your upstairs room is almost certainly officially a bedroom,
the
said standard states that it should have been designed
to take a minimum
of
a "uniformity distributed load" of 1.5kN/m^2
or a concentrated load of
1.8kN.
Why the standard gives force rather than mass is anybody's guess, but that
is
of course equivalent to 150kg/m^2 for all of your
machines in there, and
180kg for a single machine. For people still living in the 1950s, that's
30lb/sqft
and 400lb.
Even without a copy of the standard, 200kg is clearly not unreasonable. I
weigh just over 100kg[0] and bedroom floors need to be able to take two
people plus a double bed. (Or this being the enlightened 21st century,
three
plus a king-sized bed.)
[0] This is mainly due to me being above 95th percentile height, with my
love
of pies being almost incidental.
Thanks Peter,
It seems I shouldn't be too far off what the floor can bear, but I will buy
some thick ply just to spread the load a little.
Regards
Rob
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