2004

Combined In-seam and Goaf

*Same plant for in-seam and goaf

*Controls each system's pressure/flow individually

*Designed for six liquid-ring vacuum pumps

*Four pumps installed initially

*250kW motors

*Automatic flow control by recirculation

*Simple seal water system

*Designed to deliver gas at 20 kPag to adjacent power station

9,000 actual litre/s

(+4,500 actual litre/s future)

-50 kPa gauge

*Devised process concept,

*Sized and specified equipment and pipes

*Produced detailed pipe layouts

*Wrote Functional Specification

*Client representative for process/mechanical portion of installation contract

*Supervised commissioning.