Waterlines are good for about 20 years. After that, the copper breaks down, gets thin and the pressure puts pin-holes into it.
Neway Drainage will use the best material, and sleeve your waterline so that it is protected from organic matter that breaks down the copper material causing pin-hole leaks.
Vancouver area is filled with rain, but such water is not always the problem. If you have concrete floor or slab leaks, it could be due to a leaking water line. In this useful video, a home-owner explains how a plumber or drainage contractor helped him solve his slab leak problem.