New doorway on DPM

tim_n · 2 Aug 2020

Hi, we're doing up an old cricket pavilion.

Contractor employed by the council has removed a doorway sized chunk from the wall and installed a lintel, but has taken the wall down to the DPM which is currently across the threashold.

I'm assuming there's no issue cutting the DPM away so we have step free access? Covering it with concrete would require quite a lot of additional height and I can't see the advantage. There will be a disabled access ramp leading to it (and a platform at the top which will have the water runoff angled away)

ted456 · 2 Aug 2020

why not pics showing inside and outside the opening
Do you know the difference between a DPM and a DPC?

tim_n · 2 Aug 2020

Ah, it's the damp proof course, sorry. I've not got any pictures (was there plastering yesterday till late) and won't be back there until after my holiday in a week or so's time.

SpecialK · 2 Aug 2020

Will there be a door frame going into the new hole?

tim_n · 2 Aug 2020

door frame already in place, but the threshold is bare brick (and DPC). I have a picture when we blocked up the old drain (was originally in use in 1980s, drainage survey shows it being disused so it's been capped)

ted456 · 2 Aug 2020

I cant see any DPC - where is it?
The doorframe has been set to far forward, it should be set-back a min of 75m from the face of the building.
A metal threshold level with the room FFL and projected and sloped onto the ramp platform will work.

tim_n · 2 Aug 2020

DPC needs to remain then - it's the same colour and the bricks due to the dust.

Outside of the building and doors are not ours to maintain - it's the councils. They didn't even put security hinges on. We've told them it's too far forward, but their response is to fit a small bit of internal beading across the top of the frame to stop the water running down the front of it.

Bonkers.

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New doorway on DPM

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