ground mounted arrays [RE-wrenches]

[Jerry Caldwell]

Dear Wrenches,

I am planning a fairly large ground mounted system using Iron Ridge's LAFT mounting system.  The product is similar to a top of pole mount except the structure mounts on a pair of two poles, and can hold 250 to 300 sq feet of modules depending on the module.  Product info available at http://ironridge.com/products/largeareaarrays/

My question is this: would you recommend blowing a few holes through the bottom of the pole (4" galv) and running a piece of rebar or a bolt as a pin through the pole to prevent it from spinning or twisting in the concrete foundation, as is typical for single pole mounted arrays? 

Any advice is appreciated.

Jerry Caldwell
Recurrent Energy













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