Most of our concrete pile has gone, we have hardcore. Lots of it!
George eventually contacted us to say that he had found someone who would deliver crushed concrete for £8.50 per tonne and take away our waste. He arranged a day, arrived with his digger and over the day got 10 truckloads loaded. A sort of downside was that the crushed concrete was more compact than the broken concrete, so around 19 tonnes arrived for every 15 tonnes taken away. We still have a big pile of broken concrete.
So we have plenty of hardcore – 186 tonnes of it. My rough calculation is that we have around 240 square metres of hardcore to lay, to a minimum depth of 150mm = 36 cubic metres compacted. So the uncompacted volume will be 40+, a bit less than half our pile.
Taking the remaining pile of broken concrete and the large areas of hardstanding round the north and east sides of the steading building, I expect we have converted about half our concrete to hardcore.
Ric reckons the hardcore is good for the floor slab, but a bit coarse for dumping on the track. He did talk about it with George, who said that he could use a digger to lift the existing track surface, incorporate the hardcore and get it compacted. Our track is some 450m long, the section nearest the road and shared with West Byreleask Steading is in good condition, so we would need around 375m sorting out. If it is 3m wide, that is 1125 square metres. Adding 120mm hardcore would use 140 cubic metres, just about what we would have after a second exchange for crushed concrete. George thought it would take a couple of days to sort the 100m stretch of track that is used by George Senior (our neighbouring farmer) and which is getting rather rutted.
The trucks made a mess of the concrete on the hardstanding between the concrete and the driveway. I expect this will get worse as we get concrete mixers on site for the floor slabs.
Our concrete pile is a lot smaller than it was, but still disappointingly big.
However, this is what 186 tonnes of hardcore look like.
Landscaping
Disposing of the spoil that we have generated over the last two years has been a challenge. Most of it, Ric has screened. This is slow and boring, 30 tonnes or so per day, but very effective. Ric piled the separated stones/concrete ready for us to sort through. He put the topsoil to one side. Once he had leveled up the area leading to our raised drainage mound, and cleared the courtyard of rubble, he put a whole load of screened subsoil back into the courtyard and leveled that up to a safe distance below DPC level on the foundation blockwork.
In sorting the courtyard, he uncovered a run of salt-glazed clay pipes heading from the steading towards the concrete tank. There is a lateral running off part way down. It looks as though they may have connected to a similar pipe we uncovered when we dug out the door foundations last year, in which case we should find more when we scrape down the internal floor to below slab level.
He had cleared the loose material in the north leg of the steading, broke and removed the concrete and scraped & screened the cobbles just under the concrete. He ran out of time to excavate down to floor slab level.
The soil screener played a heroic role in the big tidy-up!
In the mid-ground was the foundations of a former wall.
This pipe headed to the concrete tank across the courtyard. One branch headed up to a doorway where we had uncovered more pipe. The other looks like it heads to the west wing.
Surface water drain just about complete: Having leveled up the courtyard , Ric jokingly said that it was larger than some building plots he has worked on. Then he dug into it to run the missing trenches up the east and west sides to the south-facing wall, ready for the downpipes that will drain the south-facing (single-storey) roof. He put junctions in, to get to the side walls, for downpipes for the east- and west-facing (2nd storey) sections of roof. He warned us that the pipes on the west side are shallow and will not bear vehicles crossing them – not likely to happen, anyway.
And that was it, apart from one missing link: Getting an extension to the north-west corner of the building for the very last downpipe. This needs to wait until we have dug up the track to divert one of our problem field drains and got the foundation for the demolished gable-end wall in place.
Unwelcome delays: The digger from Buchan Power Tools broke down twice, with burst hydraulic pipes. They were a bit iffy when the second one happened, but took the old one away and let us use a more-or-less brand new one – which was much better for what we wanted – lifting spoil into the dumper. I ordered materials from Ellon Timber to let Ric get on with something whilst he did not have the digger, they arrived way too late, minus a couple of essentials.
Ric just about ran out of diesel, arranged with George to fill the jerry cans and did not get them back for several days. Ric eventually cycled in to Ellon with two of our 5l cans and filled them, to let him get something done.
On the plus side, he was only rained off for a couple of hours. Generally he had sunny but cool weather.
Another unwanted drain: Just before he headed down to Cornwall, Ric dug out the foundationless area under the recently demolished gable end. He uncovered a glazed drain that runs at least 8m under the steading, probably much further down to the edge of our plot. It looks older than the steading, whilst the brick structure (that alerted Ric to a problem in the first place) was probably a more recent addition, to channel water into it when the silage pit was built. He is suggesting we could keep it as a drain, I doubt the architect would want that. Anyway, he dug out below the soft ground and laid a 200mm foundation slab with mesh. It butts up to the front door foundation but is a bit deeper. At least we know why the front door foundation flooded when we dug it out.
I still think this is where we heard running water when we first bought the property, it must still have been active. In which case, it may be the drain that the architect knew about and wanted us to divert. In which case the land drain we discovered under our foundations last year is a sort of unwelcome bonus.
This is the uncovered pipe, with a bit of tube in it to indicate where it runs.
Ric dug out soft ground to prepare teh new foundation for the gable-end.
He had time to lay the concrete and mesh. The rest will wait to next visit.
What next? We had not quite got as much done on our priorities, as we would have liked. I will aim to be back up for a week in July, whilst Jill is on holiday. I will do the blockwork for the new foundation and carry on with capping the walls.
Ric suggested I phone our youngest brother Geoff, to see if he could take a working break in September, to help get the floor slab laid – he had seen Geoff at work & felt he would make a good job of it. I phoned Geoff, he thought he could combine it with a holiday, in which case Ric would do another block of work, arriving a couple of weeks early to be sure that we got all the floors scraped down and cleared. That way, the two of us could barrow whilst Geoff finished the slab. Sounds like it might all be on to get a floor slab in this year. In which case roof trusses the following year would be a distant possibility.
East Byreleask Steading 
