Arrived on site client stated they had a leak under the sink and the main shutoff valve would not work. It appears the valve for the dishwasher was leaking. Called the water company to turn the water off so that we can safely replace the main and change the valves under the kitchen sink. Replaced the main shutoff valve with a 3/4 ball valve and once that was done we removed both valves under the sink and tested for leaks. There are no leaks at this time and client is now a member.