RSJ Been cut for pipes

[Colin3322]

Please help and Thank you for looking!





The plumber needed to route an underfloor heating pipe.





The main contractor seems to think it’s ok to cut the steel in this way steel size 203 uc x UC 46 . He says most steels are cut like this when notching and connecting one beam to another, so it should be fine.





The steel that’s been cut still has the bottom flange intact. It sits into another steel by around 110 mm, with the bottom flange bearing within the supporting steel.





I’m looking for advice on whether this needs to be passed on to the structural engineer





Thank you for any advice

 

[Koolpc]

Yikes! That cant be right?

 

[endecotp]

Yes, send those pics to the structural engineer.

 

[stevie888]

At least main contractor and plumber are on the same page in idiots guide to dodgy practice vol 1!!

That is a stupid and potentially dangerous thing to do and I would not allow anything else to be done until a competant SE has inspected and advise on remedials. A few holes in the web are fine.

 

[Dereekoo]

It is quite possible that when all the forces are taken into account the said beam is structurally sound but unless the main contractor can produce the necessary calcs to confirm this you are at risk of a catastrophic failure

 

[cdbe]

Jesus. Could have just routered a notch in the floorboards!

 

[kp00110]

Looks like the beam cut is a secondary beam and was notched previously like the below on the right hand side of the image? I would think in reality its fine so close to the connection cutting out more of the top flange, but worth getting checked