Sewer Project part 1 Tear plaster ceiling down

I need to replace cast iron sewer pipe in a 130+ year old American 4 square house.
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1) GoPro HERO 4 BLACK EDITION
3) GoPro HERO 3 BLACK EDITIONS
1) GoPro HERO 3+ BLACK EDITION
RUclips Audio Library:
2000 SPORTSMAN 500
1991 Yamaha Blaster Donuts SUPERMAN Roll Over
2014 SPORTSMAN 570
2003 Lt-ZS 400 Quad Sport
1972 HONDA SL 125 Enduro (Antique)
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