David...
...and Bob cleaning studs on Cochrane's boiler.
Geoff and Dave testing a floodlight.
Dennis marking out a section of roofing...
...which Derek cuts.
Steve, Dennis and Bill attaching the final roofing sheet to the toilet block.
Dennis and Steve starting to wrap the walls in a damp proof membrane...
Bill and Derek fixing the outer shell to the far wall...
...later continued by Shaun, Steve and Dennis.
Dave installing temporary lights inside the toilet block...
...assisted by chief cable holder Geoff.
The current view of the toilet block.