Removed old copper and shark bites in basement and replaced with pex piping. Installed 2 new hose bibs and isolation valves. Installed two new isolation valves for main water line. Removed s trap from basement vanity. Installed proper drain and master trap. Removed Studor vent from inside wall and hard piped to vent line. Installed new thermal expansion tank on water heater. Installed new isolation valve on water heater as well as removed shark bites from heater. Installed 2 new customer provided toilets. Technician found flange to be broken. Replaced flange. Installed new washer box. Checked and tested for leaks.