Bit of advice needed....My daughter is having a single story extension built. It will have a vaulted ceiling.
The architect has specced a sort of portal frame to support it. This frame consists of a ridge beam resting on a padstone at the existing house end. A pair of universal beam rafters support the other end, which bolt to a pair of universal columns bolted to the foundations. The internal leaf blockwork is bricked into the web of the columns.
The roof has a hipped end so two Valley beams run from the end of the ridge to the corners of the blockwork. An L shaped steel plate is attached so that it can be bolted to L shaped padstones at the corners.
Now, we have used an architect who has instructed a structural engineer to do the calcs and supply drawings with sizes of steel sections to use. However there are no dimensions on the drawings regarding angles, beam lengths etc.
We have spoke to the architect and he said we should put the vertical columns in first then cut to length and drill (in position) then work out rafter lengths etc from there.
This method will involve on site drilling and maybe welding.
I would prefer a set of drawings with all dimensions so I can commission a fab shop to build full frame in their workshop.
I could then erect on site and set the brickies off bricking.
I figure that the whole frame could go up first except the valley beams as these sit on the blocks (on padstones) in the corners.
Does this seem reasonable? Also anyone recommend a local fab shop that could do this at reasonable cost. (We are near Middlesbrough) building is aprox 6m square.
I have experience in building work and do all the work except brickwork as I'm incredibly slow!
So basically should the drawings have all dimensions on?
Thanks in advance
The architect has specced a sort of portal frame to support it. This frame consists of a ridge beam resting on a padstone at the existing house end. A pair of universal beam rafters support the other end, which bolt to a pair of universal columns bolted to the foundations. The internal leaf blockwork is bricked into the web of the columns.
The roof has a hipped end so two Valley beams run from the end of the ridge to the corners of the blockwork. An L shaped steel plate is attached so that it can be bolted to L shaped padstones at the corners.
Now, we have used an architect who has instructed a structural engineer to do the calcs and supply drawings with sizes of steel sections to use. However there are no dimensions on the drawings regarding angles, beam lengths etc.
We have spoke to the architect and he said we should put the vertical columns in first then cut to length and drill (in position) then work out rafter lengths etc from there.
This method will involve on site drilling and maybe welding.
I would prefer a set of drawings with all dimensions so I can commission a fab shop to build full frame in their workshop.
I could then erect on site and set the brickies off bricking.
I figure that the whole frame could go up first except the valley beams as these sit on the blocks (on padstones) in the corners.
Does this seem reasonable? Also anyone recommend a local fab shop that could do this at reasonable cost. (We are near Middlesbrough) building is aprox 6m square.
I have experience in building work and do all the work except brickwork as I'm incredibly slow!
So basically should the drawings have all dimensions on?
Thanks in advance