So John Currie is the scheduler?
Man, that guy needs to take a break. Maybe a cruise or a Dallas hotel stay is in order . . . perhaps??
well either he was misinformed or a complete liar or something is delaying the construction.
my point is that they didnt start the construction and realize halfway through "oh crap you know what? there's a lot to do down here herp derp, we are going to need twice as long"
Its not going to take twice as long. With a excavation that large and that amount of subgrade prep being a couple of days off wouldn't surprise me. A Geotech has to be on site to do soil testing, just a little bit of rain can throw that off by a day. If that's off by a day then you're delayed a day to pour, and throws off another inspection. You were delayed on pouring and now you're concrete delivery schedule is pushed a little, so your concrete cylinder testing gets off by a little. All those things add up pretty fast. It's nothing to worry about though, they'll get caught up now that the are out of the ground. This situation is pretty run of the mill, I've done several projects with basement areas below a multistory structure.
Am I the only one that remembers the thunderstorm that collapsed the excavation on the North end that meant playing have to pump water/dry things out, redig, and shore up walls?
To me, this could cause a delay in question, but in the long run shouldn't f things up on a longterm schedule.