Scott L. Ed P. Chris S. Relocated lights and equipment to X-1-8 double doors north towards mid station yesterday. Tested 8 sections as opposed to the normal 6 as this is the last and somewhat longer section from the double doors to mid station. Vacuumed beam tube supports and cleaned those same floor areas. Heavily soiled areas. Able to clean only 6 meters yesterday and 64 meters of tube today. Beam tube pressures monitored by control room operator during cleaning operations.