Hennepin County

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Project Question: Which DR rating should be used for the 6-inch HDPE sanitary forcemain and should ductile iron or iron outside diameter be used?

Question: Which DR rating should be used for the 6-inch HDPE sanitary forcemain and should ductile iron or iron outside diameter be used?

Response: DR 11 and the HDPE will be tying into the existing 6-inch DIP forcemain.