Seismographs were placed on either side of the street to measure vibrations.
Placing the charge in the hole.
Bringing in the blanket.
Below is a short video of one of the blasting shots on Laurie Dr. While every situation is unique, you can see from this video that there is usually nothing to it. The kids in the neighborhood were disappointed that there wasn't a big 'boom'. (I was very happy with the outcome.)
Setup for the blast
The countdown and blast