Sea walls are built for the protection of one area. They are very easy to replace, and last around 10-15 years at top condition, showing signs of aging at around the first 15 years. Seawalls are used for protection because it stops erosion of one particular area. It is also used to protect other people's houses from braking down because of erosion. Sea walls have a life span of around 30 years, give or take due to …showed first 75 words of 346 total…

…showed last 75 words of 346 total…Some type of armoring can be seen from West Cliff Drive to Capitola and even New Brighton. Since Sea walls have been known to reduce beach area, people have thought of these alternatives to save their beaches: Rip Rap ((rocks that are placed on a beach to buffer the erosion so that the rocks will be affected by erosion instead of the beach)) Plant life: The root formations of plants will help keep soil together.