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I am looking for information on point loading trusses. We manufacture mounting structures for solar panels. Typically, 10 to 15 sq. ft. of solar panel is supported by one standoff. Under extreme conditions – 50 lbs. per sq. ft. of wind load - we can transfer 500 to 750 lbs. of force onto one point of one truss. Are there any standards on this issue?
What level, if any, of responsibility does a CM assume if the contractors on the jobsite use our layout plans to do more than just put the walls together? Specifically on the job in question, the panel layout was used to place plumbing for a kitchen island. Unfortunately, the layout had the pony wall for that island out of place by 11”. As a result, there is additional work needed to relocate the plumbing.