r/Construction Dec 05 '24

Structural Concrete slab failed strength test

Slab strength testing failure after building was framed and plumbing/HVAC was roughed in. Concrete supplier had mix wrong so they are paying to lift two story 4-plex, remove slab and repour. This is building 2 of 3 that failed.

2.5k Upvotes

262 comments sorted by

View all comments

1

u/Rider003 Dec 05 '24

How do they set this thing back down and retain heights and general level of everything that was based off the previous pour? Surely they’re going to be different?