sentences:  All were built from 1882, and were also intended for medium to heavy suburban passenger traffic around the South Coast on the LSWR railway network.William Adams' 415 (later 0415) Class was based on his earlier LSWR 46 Class, and was specifically designed with London suburban services in mind.The design was based on a 4-4-0 design with a trailing axle added to support an enlarged coal bunker, a necessity for the intensive suburban services of the LSWR network.