Toilets, Sinks, Showers, Tubs and Disposals - Removing terrazzo shower pan

Hello again-

My next step in the bathroom remodel is to remove the terrazzo shower pan. It's original (a la 1966) that has stains and pits that cannot be removed. I looked into refinishing it but based on various opinions, it is better to just rip it out. My questions are:

1. What is the best method to removing it? The bathroom is right next to my toddler's room so I would like to minimize the dust and vibrations. Some say to drill couple of holes and chisel out. Some say to rent an air hammer and break it apart. If I were to drill holes, is it just a matter of using a masonary drilll bit is there some other tools I can use?

2. Because the kitchen below the bathroom was remodeled, I do not have access to the p trap from below. And I cannot tell how the drain is connected to the ptrap. I did, however, take picture from below before I finished the kitchen so maybe you can see what was done?

http://img520.imageshack.us/img520/474/terrazzoptrap.jpg

Without ripping out my new kitchen sheetrock, what would be the best way to remove and reinstall my drain? Instead of terrazzo, I will be putting down floor tiles.

Thanks!

A few good whacks with a large hammer/maul will do the job, or at least start the job.

Success!

I briefly tried the sledge hammer but decided that I did not have enough space to maneuver so I ended up renting a Hilti TE75P-AT with spade, pick, and drill bits for about $50 for a day

It was just a matter of drilling some holes on the outer perimeter then slowly work with spade and pick bits to crack at it. All in all, it took only about 45 minutes (not including clean up time) to get the basin removed.

My next step is to carefully remove the lead/oakum drain from the DWV.

I will create a web page later to detail my exact progress so search for "terrazzo shower basin removal" in the future.

Thanks again for all your help (as well as thanks to "speedball1")!