Monday 11th November 2019

John Cooper, Pete Hellier, Wayne Starsmore and Adrian Vanderplank. Took in 2 bags of sand. One mix of cement taken down Four-Tonne Shaft. Half used at the top of the bottom shaft and the other half used in the bottom tunnel. Meanwhile Wayne built up the Spiral Staircase. Interesting flow test between the pee-hole at the mixing spot and the bottom Grotto. Need to re-do and time. 2 hours.