Arrived at location and found a 1/2 sprinkler line leaking under the concrete. We then gave customer options and said we can do exploratory digging to find the line and or we could tunnel under the concrete to find the leak and cap off the branch line. Customer said he will dig it up himself he just wanted the line traced out but there are to many 90s for a fish tape. He wanted to know if we had a special piece of equipment that traced pvc lines