Downloadshttp://www.nationalgrid.com/uk/Gas/Safety/work/downloads/Downloads - Working near underground services : HSG47 - with subtitleshttp://www.nationalgrid.com/uk/Gas/Safety/work/downloads/sub.htmClick view to download a zipped copy of the video. 03 September 2008Downloads - Working near underground services : HSG47http://www.nationalgrid.com/uk/Gas/Safety/work/downloads/wnus_hsg47.htmClick view to download a zipped copy of the video.25 April 2008Downloads - Excavating Safely : General Advicehttp://www.nationalgrid.com/uk/Gas/Safety/work/downloads/excavating_safe.htm25 April 2008Downloads - Excavating Safely : Avoiding injury when working near gas pipeshttp://www.nationalgrid.com/uk/Gas/Safety/work/downloads/general_adv.htm25 April 2008