Floods

Digging a land drain

Digging a dry well

We have been very fortunate with the weather this year. Lots of warm weather, dry weather, and even a mild autumn so far. However, there was a week at the end of July when it was very, very, wet. On the 25th, water started collecting around the Peerie Hoose, so S called our groundworks contractor who came and dug a dry well. This was a hole two metres wide on both sides and two metres deep, which was then filled with stones to give the water somewhere to drain. Sorted! Or so we thought…

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From trench to foundation

The nearly-complete foundations.

The nearly-complete foundations. (They don’t spread out around the dumper on the top-right, that is just the remains of the aggregate pile.)

Over the course of three days, the trenches were filled with Type 1 aggregate. Luckily the weather was much improved from the beginning of the week – both warmer and with a couple very sunny days. The aggregate is deposited in 150mm rises and then packed down with a ‘wacker’. There are two variants if this machine – one that looks like a lawnmower and another that looks like a pneumatic drill, both with plates on the bottom that vibrate up-and-down. Both types were used in our case, and resulted in a closely-packed foundation, the cross-section of which can be seen in the previous post about aggregate.

The result is about 700mm of packed aggregate with a solid and level surface. The latter is thanks to an electronic measuring stick they have which ensures the surface is truly level, not just following the surface of the surrounding land which falls away.

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Power up

Cross-section of a three-phase electricity cable.

Cross-section of a three-phase electricity cable.

At the end of last year we were down on site supervising the installation of our electricity mains cable. The logistics required careful planning as we had to coordinate between Wiston Lodge, the man digging the trench for us, and ScottishPower. The electricity cable has to run from the distribution point behind the Lodge, across the front of the Lodge and its parking area, along a track, down the side of a ravine, under a burn, and up the other side to our plot. From the perspective of Wiston Lodge, the key things was to schedule this at a time when they weren’t busy with lots of groups and guests given that an open trench was going to cut across the front. Continue reading