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Hi all, Builder has set padstones tight up under the steel, it's been 3-4 days and where it's dried out the padstone now has a gap between the steel and the pad of about 1mm or so, what's the best mix to be using to get this set back right without it dropping. Thanks

I didn't assume, SE did the calcs for everything involved, cheers.

Tony that's what the engineer said, thank you for putting my mind at ease and getting a second opinion. Much appreciated.

Hi Tony, Thanks for this -no you have it spot on! The opening is right on the edge:

Thanks Ronny, I'll drop down to M12s if you think that's enough.

From research this is the norm: Spacer tubes at 400mm centres staggered 50mm above and below the centre line M16 bolts.

Hi all, On my struc calcs it mentions either bolting or welding two steels together 3000mm UC 152x152 30 x2 - however there is no mention of the space between the holes, the spacer to use or the bolts. Anyone have a standard formula? BC had passed these calcs without any questions. Thanks

Why so much insulation for a single skin blockwork? It looks fine, however there is no structural calculations for the beams.

It's almost like the following taken from google, yellow line highlighting the inner cavity leaf, that will continue as a wall to extension, then the bricks to the left will be taken down to form part of the opening.

It's not really a great diagram, just an overhead really basic drawing from the keyboard! This is displaying the cavity wall where the steel will sit (on the inner skin). Cavity wall: | | Concrete Lintel: === | | | |==== | | | | The cavity wall has a lintel to the right hand side, the steel...

Any thoughts?

Hi all, Knocking out 3m cavity load bearing wall for remaining upper block work, roof and assume extension roof (not the the full span), joists run parallel therefore upstairs weight remains supported elsewhere. UC are going to sit on the inner skin of the remaining block work on padstones, on...

NoSeall, what is best practice here then? Doesn't the excess beam width get carried into the floor? How do you get around it? Have another beam with welded plate?

Thanks RandomGrinch, however fireboard isn't going to stop that from happening, my understanding is it gives resistance to the fire but eventually will penetrate.

I'm also removing the hardcore etc.

Both of them work alone. I'd imagine, they would return on second or third day to remove acro's once everything is set. Good point, wall is 275 - but the idea is to push them up into the ceiling so that they're covered. SE has drawn up another option to use a larger beam with a welded plate...

This is not making good, just knocking out fitting the support. I'm not knocking the price, I'm checking it's the right price (two quotes so far).

Hi all, Getting three quotes before going ahead, the rule of thumb, suggestions on what the price should roughly be for the following work. Knock through into extension, supply and fit beam, Beam span is 3.4M the beam is double 152 x 152 x 30UC S275 seated on two pad stones, bolted together...

Thanks guys, I think if it's done well it looks great but might not be worth the extra hassle. This was the look I was going for..

Red Brick! What you think worth it or not? What does hoop jumps require?