Thursday 23 June 2016

Electric fence energiser housing

We're building a small cabinet in the Orchard to provide security and weather protection for our new electric fence energiser. Today we excavated the base and laid a small reinforced concrete slab to provide a base for the housing cabinet. The base is not large, approximately 100 x 60 cms, so we mixed the concrete by hand from ballast and cement powder (6:1 by volume). Sam's Steps by the river provided a convenient access to fill our water buckets.  The warm humid weather and summer flies buzzing around did not make this work a pleasant experience. Once the base slab has cured we'll build a lockable housing for the energiser and its battery. There will be some additional security features to deter thieves.

After the work had been done I checked the orchard and found four young sheep lurking in a far corner close to the railway. They'd knocked over the temporary electric fence posts  to gain access to our woodland. I spent a couple of hours installing some heavy duty wooden posts, driven firmly into the ground and set up a six strand electric fence to deter these four legged marauders.

Edit 24/06/2016
I found sheep in the orchard again this morning. They'd pushed the six strand electric fence aside. These must be some mighty hungry sheep if they are prepared to tolerate the powerful 3 joule shock this fence gives. I think the problem is they are dumb juvenile sheep not yet "trained" to recognise electric fences. The older sheep steer clear once they realise it is an electric fence.

I've now ripped out the extended section of the electric fence adjacent to the railway line and replaced it with 30 metres of wire stock fence mounted on wooden posts driven in at 10 foot intervals.

I removed the plywood shuttering from the base of the energiser shed. The concrete slab is looking good.

Edit 28/06/2016
The installation of wire stock fence seems to have worked, there have been no further sheep invasions since I upgraded the fence to a permanent structure. Last night I added an insulator mounted electrified high tensile steel wire top strand above the wire stock fence to enhance the sheep resistance. I'd been trying to avoid a permanent fence as we still have to fell some trees in that area, but it seems to be the only solution to deal with the sheep.

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