Line locate leaking 1/2 copper hot waterline going to kitchen sink,Underground from manifold, behind water heater in front entryway, And cut cap isolate line to confirm that stops the leak in footing around kitchen area, PPS to reroute hot water line through attic with PEX pipe with all necessary fittings to complete job, PPS to remove drywall in multiple areas and home to run piping, PPS to insulate all piping in attic.