The concrete foundation is now complete. The diamond-shaped hole you see is a spot for a steel beam, which will support the second floor of the building. Speaking of steel…
With the trenching complete, a poly barrier is laid down and rebar set for the concrete foundation. If the weather holds out, we might see a foundation poured this week!
Bathrooms. The expansion will have seven of them. Not to mention another ten separate sinks, one in each downstairs classroom. All those sinks and potties take lots of pipe for water and waste.
What you see is the rough-in of the plumbing system.