Hennepin County

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PROJECT QUESTION: SB-11 - Helical Piling, Section 2.02 (B) - The specifications are very specific with regard to the helical pier design with regard to the shaft size and the starter section, this conflicts with Sheet B3, B4 and B5 which states - helical pile to be designed by contractor - in multiple locations. Please clarify.

Question:
SB-11 - Helical Piling, Section 2.02 (B) - The specifications are very specific with regard to the helical pier design with regard to the shaft size and the starter section, this conflicts with Sheet B3, B4 and B5 which states - helical pile to be designed by contractor - in multiple locations. Please clarify.

Response:
Addendum 2 was issued to clarify this. The references to the specific helical plate setup that is identified in the original provisions was removed. Please note, the minimum requirement of a 4-½ inch diameter helical pile will remain. The submittals will need to include manufacturer's design calculations for the selected helical pile and plate configuration.