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Old 03-27-2013, 03:20 PM
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Corbet Corbet is offline
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Join Date: Oct 2006
Location: Durango, Colorado
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There are probably a lot of variables that need answering for someone to really answer that question on an engineering level. But I say 10 3/8" grade 5's should be plenty. Especially if they are on different planes (vertical & horizontal)
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