Hennepin County

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Question: On page 173-S, we call for 26 inch Ductile Iron Pipe size HDPE pipe, there is either 24" or 30" with an OD of 25.8" or 31.8" which do they use?

Answer: The required size is 26" per plan, with an inside diameter of approximately 24". The spec reference should be changed from Ductile Iron Pipe size (DIPS) to Iron Pipe size (IPS). This will be coming out on the next addendum.