REGISTER

WH Dawkins

Westrail

The Forrestfield yard, opened in 1973 centralises the marshalling of loadings for country designations previously performed at Midland, East Perth, Perth and Fremantle yards. It is divided down the centre with standard gauge on the east and narrow gauge on the west.

A description is provided of the narrow gauge 'hump"marshalling yard. A total of 7,449 Dowty Oleo retarders are installed over 31 classification sidings for continuous speed control of wagons and buffing speed. Information is provided on the operation of these retarders and on the major aspects of the yard including the control tower, operating console, hump signals, shunt signals, points,
track circuits, the automatic route progression system, test panel and the compressed air distribution. A full description is provided on humping and operating procedures.