Biggest Project... EVER

OK, maybe not the biggest project ever... but it certainly is for DC Rowhouse. Maybe not the biggest, I mean most expensive. Well, no, that's not true either.  Why do I keep lying to you?  Here's the deal: it's the most expensive per day. Does that count? But, there is a catch. it's also the most boring project ever.

Here's a hint. This is what I woke up to this morning:

There was also a lot of this: KNOCK, KNOCK, BEEP, BEEP, BANG, BANG, BANG.

I'll give you one guess to what we are doing...go!