Quite a bit of rubble has been generated, between the removal of rotten threads and lots of lathe and plaster from the under side of the stair flights:
The lower flight carriage pieces have been removed and replaced with a beefier hardwood:
With new tread support pieces:
One of the old carriage pieces:
The lower flight is now rock solid and straight once again!
The work above has been much more invasive:
Acrow supports are holding up the upper flights of stairs so that the stringers and internal supports can be pushed upwards and tied together:
The second floor landing has quite a complex array of internal support beams, which have all been treated against rot, hence the black colour:
Additional bolts and plates which enter the wall and provide additional strength:
More doubling up on support pieces:
This is the section of stairs where the right side flight had dropped way from the left side (below). Now that they are in their correct positions, they are being glued and tied together:
The large opening that was once here is now gone:
More updates to follow!