Outdoors it's entirely enclosed in twinwall ducting in a location where it is not going to be damaged by digging, and arguably it isn't actually "buried" in the ground.
1) Re the "buried" cable. It's in a 50mm twinwall duct, running between a paved patio and a fence and then the base of the outbuilding and the fence. I dug a trench about 60mm deep and laid the duct in it, then covered the space between the fence and patio/base with geotextile, onto which went about 50-100mm of decorative stone chippings.
2) Re the "lift shaft".
OK - I can see what the regulations clearly say.
However I strongly suspect that when they wrote that they were not thinking of small domestic lifts which are not within the scope of BS EN 81.
This is the reality:
To give an idea of scale, what you can see running behind the frame of the lift, and, given the E-stop button, safety prop and hi-tech plastic tub for collecting drips of oil, clearly beyond where the lift platform extends, are 4 rows of 40mm trunking.
I'm really not bothered about the contravention of 528.3.5, if there even is one given the definition of my equipment as a "lift".
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