Steal and concrete costs for silage clamps.

20200613_170949.jpg
 

onesiedale

Member
Location
Derbyshire
Summer 2018 we took out our earth bank walled pit and just made 1 big concrete pad with an 'L' shaped panel wall to act as retaining wall/ pit wall on one side and a back wall just ½ width of total pad.
Had a quote for poured /shuttered concrete -£18,000
Did the job ourselves, with 8" steel columns and 6" twin stressed panels, for circa £13000
3 x 1m panels high,
9 x 15' bays
2 x 20' bays
12 steels total
Quite a saving over the quote,, but don't underestimate the time taken (and patience required regarding the setting of posts.)
The steels were 4.5m, with 1.2 m in the ground and probably a good 1.5 cubes of concrete around posts.
Good project. Enjoyed doing it.
 
Location
West Wales
Summer 2018 we took out our earth bank walled pit and just made 1 big concrete pad with an 'L' shaped panel wall to act as retaining wall/ pit wall on one side and a back wall just ½ width of total pad.
Had a quote for poured /shuttered concrete -£18,000
Did the job ourselves, with 8" steel columns and 6" twin stressed panels, for circa £13000
3 x 1m panels high,
9 x 15' bays
2 x 20' bays
12 steels total
Quite a saving over the quote,, but don't underestimate the time taken (and patience required regarding the setting of posts.)
The steels were 4.5m, with 1.2 m in the ground and probably a good 1.5 cubes of concrete around posts.
Good project. Enjoyed doing it.

is 6 inch a big enough panel? And how do you find the 20s? Im
Getting conflicted views. I was sold on the panels because it gives a straight edge. Contractor says he’s seen some real disasters with panels and says go for A walls which are moveable but unless the steels and concrete are going to be double the panels they’re a lot more expensive!
 

onesiedale

Member
Location
Derbyshire
6" plenty big enough panel. But remember, we only have silage on 1 side., The wall acts as a retainer on the other side.
20s are too big, but they fitted the job perfect at the back of the pit.
I can understand how your contractor has seen disasters. Fitting the panels into the web doesn't leave much room for error. You need plenty of tubes of mastic sealant and some clever thinking to locate the panels against one side of the web.
'A' panels maybe a good option. They must surely be easier, but I guess you'll pay for it. There'll be a big saving on steels, time, concrete and a comfortable margin of error to work with so much less stressful. But I guess you'll lose the space under the A
 

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