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  1. drawyennik

    Heating solutions for a 90,000 sq ft shop

    Actually 3 things 3. A vendor in BC that would handle the design of a system like this
  2. drawyennik

    Heating solutions for a 90,000 sq ft shop

    I'm looking for 2 things. 1. What is the best way to heat a 90,000 sq ft shop 60,000 is already built and in place 30,000 is going to be built? 2. What is a rough ball park cost? Thanks, Draw
  3. drawyennik

    Max Ground Pressure / Bearing Capacity

    Pad thickness 3-4" is 3 feet 3/4" is 1 foot Under the pad is rock (see picture) Yah i know the ground pressure exerted by the tracks (48.9 psi) but i dont want to have to put that much cribbing under my jacks b/c we need to be able to work in there. In the first picture the shovel is on the...
  4. drawyennik

    Max Ground Pressure / Bearing Capacity

    I'm jacking up a large electric mining shovel (1.5m lbs) and am wondering what a safe bearing capacity would be? The pad is built out of 3-4" rock with a layer of compacted 3/4" crush on top.
  5. drawyennik

    Pin Connection

    Thanks for the help DesertFox
  6. drawyennik

    Pin Connection

    Sorry here are the equations. F(shear) = 0.5Sy * A(shear) F(bearing) = 1.2Su * A(bearing) F(tensile) = 0.6Sy * A(tensile) What do you mean crushing stress?
  7. drawyennik

    Pin Connection

    We are using a pin connection on a hitch for towing equipment. I am wondering if i can use the equations for bolt design?

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