I'm no expert on this subject, but I'm a little confused. It seems as if the original plan was to have no ridge vent at all. Then, you plan to add a ridge vent, drill holes to allow some ventilation to it, and you want to know if that provides "adequate ventilation".
The original building plan should have had "adequate ventilation" before the ridge vent question came up, shouldn't it?
So, what's the intent ? - to get enough additional ventilation to make it "adequate" in total, or to appease a customer who wants something extra?
I think the answer to that question has a bearing on whether the drilled holes are "adequate" or not. Clearly, there's no way anyone can determine on this forum whether the total ventilation is adequate without a whole bunch more info.
[This message has been edited by rpxlpx (edited February 20, 2003).]