Order of works

[gmsextension]

Hi there,
Can anyone tell me the order of works when building a single storey extension. And which of these builders is right (if any, as it may depend on each builders personal preference as I haven't got a clue!).
Builder1 (B1) says it's ok to use a lintel on a 4.8ish metre opening and hang bi fold doors on and builder 2 (B2) says I need a steel. Who is right or are they both right just different ways of doing the same job?
B1 says I can get the new extension built and water tight before a very large steel is put across the existing back part of house which is a 5.7m span and B2 says I need to have the steel in before the roof can be finished. I'm very confused and want to make sure before anyone is appointed to carry out these works they know what they're doing.
I have a copy of the plans in my album if anyone needs to see them.
Would welcome any tips, advice or answers to these questions.
Thanks

 

[limerockconstruction]

Albeit that I don't have all the info, I'd say that B1 sounds like an idiot and that B2 is the man for the job.

 

[NS215]

Do the drawings not specify steel or lintel ??

 

[pinenot]

Checking your drawing(s) ones not in focus, there's no mention of a steel beam over the slap/opening for fitting the concertina doors. Depending on the weight/load would determine the lintel to be used (your Arch/SE should advise) You can certainly get both reinforced concrete and UB (universal steel beams) I suppose it depends on local availability and costs, assuming the exterior finish is not a dictating factor.
As for which builder is correct, either or, it's certainly not clear from the limited information posted.
By the way, what roof style of roof surrounds that atrium design - flat roof/minimal pitch?? ...pinenot

 

[gmsextension]

Thanks for replies.
Pinenot The architect/SE has not done the calculations for either of the openings yet (the existing back of house to be completely opened and the opening for the bi fold doors on extension) I just assumed they would be steels as that's what most people have mentioned in discussions with me.
When you say "assuming the exterior finish is not a dictating factor" do you mean that using one or other (steel or lintel) will give a better look? The planned roof is flat with a domed skylight.

NS215 I don't think the drawings specify very much at all yet. They seem to have enough info for the council to allow the build to start and then finalise them along the way. I find that a bit worrying because how can someone price for an unknown?

limerockconstruction Why do you say that? Is he talking rubbish saying to get it water tight then put the big steel in? It will be a big steel as it will be holding the back of the house plus a large apex roof.

 

[limerockconstruction]

Without the calculations its impossible to make any sensible comment really - I just thought i'd stick my neck out as no one had answered you.

Pinenot means a finish like brick would require a different approach to rendered blockwork or timber framed because of how its finished.

As for not having BR approval, you're quite right, having lots of unknowns based on the drawings is going to prove costly, unless your in with a jolly nice bloke. I stopped working on builds without approval now, as I got fed up with people questioning all the extras/unknowns - BRegs approval doesn't cost a lot, and at least it gives you something to base a contract on, (which i'm sure you are intending).

AS for B2 - its likely to be a big steel in the back of the house with that sized opening. I'd build up to dpc and get a slab in and then do the knock through - have a nice solid, flat base to work a bloody hefty steel about on - much easier than doing it retrospectively with a roof on!!

 

[pinenot]

Thanks for replies.
Pinenot
When you say "assuming the exterior finish is not a dictating factor" do you mean that using one or other (steel or lintel) will give a better look? The planned roof is flat with a domed skylight.=

Meaning finished brick would demand something more "Catnic" style, whereas a rendered finish could use any of the choices...pinenot

 

[ban-all-sheds]

I have a copy of the plans in my album if anyone needs to see them.

Perhaps you could be bothered to do steps 1, 2, 3, 4, 5, 6, 7, 8 and steps 9, 10 & 11, not just the first 8.

 

[gmsextension]

limerockconstruction Thanks for your explanation, much appreciated

 

[gmsextension]

Pinenot Thanks for your reply

 

[gmsextension]

ban-all-sheds I am new to this site and not very computer literate. It took me 2 days to get the pictures downloaded when I posed a previous question. Please forgive my ignorance

 

[pinenot]

How I post pictures may differ, I don't know - save chosen picture as a .jpg, you can do this via Microsoft paint or similar. Now when your on the DIYnot reply page, click on load new picture click on the last image > new image > choose new image > select the wanted image from the folder you saved your .jpg in (I have one on my desktop) click this and select open, the view will go back to DIYnot page > assuming you only wont one image click upload ? close this page when the uploaded successfully notification comes back to you. Now you should be back in the reply page (with the reply box in view) scroll down > click show images and scroll down to the bottom image, which should be the image you want > click once voilà. Click preview, especially if your not confident the first few times, if all right they will show up as small images in your reply, click-able to a large image...pinenot

 

[gmsextension]

Thanks Pinenot, will keep your instructions for future use

 

[ban-all-sheds]

ban-all-sheds I am new to this site and not very computer literate. It took me 2 days to get the pictures downloaded when I posed a previous question. Please forgive my ignorance

I just find it very hard to accept that you could manage to do the first 8 steps for creating, and getting images into, an album, but then found these remaining steps beyond you: