Groundworks - muck out, hardcore & Foundation Screws
Entry posted by mike2016 in Groundworks
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Everything kicked off on January 8th 2024 finally after 8 years of faffing about and trying to line up finances, finding someone to sign off building regs and a year of selling the old house eventually succeeded.
There was about 120 tons of muckaway judging from the number of trucks. The guys brought a 17 tonne digger and were glad of it. The big roller they didn't use in the end but went with a more compact diesel unit. hardcore was added and leveled.
The trickier element was getting a rainwater harvesting tank installed. It had to go at the back of the site before we could block it off with the next phase of works. I found the office staff didn't have a clue about the dimensions so how deep to dig the hole?! They did the next best thing and sent a guy out to the yard with a tape measure and I passed these info on. The crane used was impressive - 350K worth to move a 4.5tonne concrete tank into position. They then crawled inside it to commission the pump etc and seal it up until the next phase of adding power (need to drill a hold into the tank but they provided enough electrical cable to go back to the house to hook it up later. It holds 4,000 litres and needed balast to stop it shifting as even at that weight it can move around!! Got a hose and friendly neighbours to assist and half filled it up!!
Only 1 complainer - a neighbour around the corner giving out when the flatbed dropped off the excavator, there's always one!
Did get a site inspection the next day but only to confirm we'd started within the terms of our commencement notice I think and he seemed friendly anyway!
I left the mortgage a bit late, still waiting on approval so am spending cash currently. Hopefully that comes in this week!
The Timber Frame prep is starting in their factory - I think I'll be ready in 5 weeks or so or on March 1st.
Onto the exciting portion - Foundation Screws, 1.5 meter long and will have a 300mm x 300mm plate bolted to the top of the screw head. They spend an entire day prepping the holes, measuring and remeasuring to ensure everything was fine. There was some confusion around the height the screw was to end up but the groundworks team had marking the fence panel and I put them in direct contract with each other and didn't hear a peep from that point. All was good. I was hearing 100mm differences in the levels one day and this changed to 2mm the next!! I was sick with flu so not being able to be onsite was a curse, you just have to hope it works out. They pre drilled down to break up some rock but nothing too severe.
The delivery took a bit longer than expected, so they started later than I'd hope which means I lose the groundsworks team for a week at the start of February but what can you do. Some start when they say, others, well, it's a moving target!! But once they started they've been onsite every day despite the cold weather and are making good progress.
There are 89 of these to be driven in to a level set by the laser. They use an electric motor to drive in the screw with an arm braced against a previous screw they leave half way up. Eventually all you'll see is a field of square plates. A raft is to be poured around these and the Kore passive raft is being delivered to site later this week for use next month. Yep, there's a second raft going in on top of the Kore - like a Kore Concrete Raft Burger!!
Enjoy the photos!
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