Skinflint alert, doing my garage floor, if I spend a couple of hours ramming the MOT down with a sledgehammer, does that count as “well compacted” or is hiring a whacker plate an absolute must? It’s got DPM and a concrete slab to go over it.
Haha if I could lift it on my own I’d take you up on that. Even the “1 man whacker” I’ve hired in the past is flipping heavy. But then I’m 9 stone so probably weigh about as much as the whacker.I'll loan you mine for the day, just let me know when you want to drop round to pick it up...........
MOT Type 1 seems to be very variable in quality. I have found that hand ramming can compact the stuff reasonably well PROVIDED THAT there is a good distribution of particle sizes, and that it is not too dry. If the supplier delivers a load that is nearly all 40-60mm size with hardly any small material (it happened to me quite recently), a heavy roller is probably the best tool. When hiring a whacker plate, be sure to get the heaviest possible -- little ones that you can lift into the back of an estate car might be OK for compacting sand under a patio, but will barely tickle the surface of Type 1 hardcore.
You are absolutely correct, it ought to be within spec. Having moved house to a new location, and being unknown to the local suppliers, I had to pay in advance, and just decided to get on and use the stuff rather than start arguing (obviously becoming something of a coward in my dotage), and of course I don't possess the sieves and scales required to verify anything.Don't want to be pedantic but if it's genuinely "MOT type 1" then it has to be within spec
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