Specifications include, but are not limited to: Cutting and removal of concrete floor up to 4" thick - Cutting of finished drywall where needed - Demo existing 4" cast iron sanitary pipe and dispose of - Tie onto existing PVC pipe upstream of septic tank - Install new 4" PVC sanitary sewer pipe to original men's and women's bathrooms - Install new 3" PVC sanitary sewer pipe to original mop sink and water fountain. - Once underground plumbing is complete, reinstall dirt and compact - Install vapor barrier, rebar dyles, pour back concrete to match existing - Install new 2" PVC Vent piping as needed for original bathrooms [top out] - Install new domestic cold water piping to original men's baathroom, women's bathroom, water fountain, mop sink and water heater [Uponor] Install new domestic hot water piping to original men's bathroom, women bathroom, water fountain, mop sink and water heater [Uponor] - Install new domestic cold water piping to the new side men's and women's bathrooms [Uponor] - Install new domestic hot water piping to the new side men's and women's bathroom [Uponor] - Tie into existing domestic water main at building