Contracted by NMCN we have supplied and installed a Sattler 2150m3, Model B9 122/250 double membrane gas holder for Severn Trent Water. This incorporates duty/standby Zone 1 air blowers with flow control, Form 4 Local Control Panel, over pressure valve, gas detection, laser and rope level control. All equipment is supplied in accordance with ME33 Severn Trent Specification for the new THP Plant. The gas holder is protected with 4No. lightening protection masts to LPS1, 17.5mtr rolling sphere method in accordance with BSEN62305, which provides the most effective protection against the possibility of a lightning strike. Commissioning of the package on air is complete with swap over to gas expected in July 2019.