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Greenlaws Firestone Level Dig - Mains Lighting Installed, Stabilisation of the Chamber and Start of the Shaft Digging, (28/03/10).

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Since February things have slowed down on the dig, mainly because a plan had to be formulated to stabilise the shaft chamber. Over the last two months timbering has been put in place inside the chamber, the shaft size on the start of the angle has been reduced from three compartments to two. The first support on the angled section has been installed with scaffold spilling driven over the top.

A lot of work has been done to stabilise the straight section of shaft by mixing the spoil rock and mud with cement and pouring this in behind the timber supports. Mains driven lighting has been also installed in the work area and down the shaft, which is powered by a generator located outside the level entrance. Water became a bit of a problem in the shaft bottom and a pump was installed to help remove it.