Most inspectors in Central NY require 4' base of pole, a precast, or poured base for the pole. I used dry sacrete to bring every hole base to equal grade with all others and then laided two 4" solid concrete blocks side by side on the dry sacrete. Passed inspection every time. Also used my KX41 compact trackhoe to dig the holes so there was "wiggle room". Rocks and augers don't work, and a 12" augered hole gives you only .875sqft ground bearing area per post at best. Two 8"x16" solod blocks give you 1.78 sqft. plus the over cut of the hole filled to subgrade with dry sacrete. If you want to figure your total ground load,per pole, figure your total roof area X snow load/sqft. + total weight of materials divided by number of poles along the eve lines, and you will have the average weight that each of the poles are carring under max. conditions. The gable end poles carry little to no load as trusses carry all bearing weight to the upper plates on the side poles. I have had to pour 6'x8'x16" footings to "float" 60'X100' steel buildings in marginal soils.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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