Originally Posted by Deerskin
Pay attention to the maximum bending stress at the base anchor location. Assuming you are pulling with 400 x 2 at the 8 ft. level, you are looking at 6400 ft.-lbs. of overturning moment. You need to check the crippling stress of schedules 40 or 80 pipe. If the welded joints are done properly I don't think you will have a problem there.
dude - you GAVE it to him.... I was trying to hint at that and see if he got it...