Complex sentence: Because the old tower was still in place, the engineering staff was able to put programming on the air within two days of the collapse, which was no small feat, since equipment had to be transported from the new site to the old site.
Split into simpler sentences: Because the old tower was still in place, the engineering staff was able to put programming on the air within two days of the collapse. No small feat since equipment had to be transported from the new site to the old site.