13-132-120 Pile foundations – General requirements.

   (a)   Minimum Spacing.

      (1)   A wall supported by piles shall rest on not less than a double row of piles not less than one foot apart with the piles staggered on both sides of the wall centerline, unless connected to permanent construction which provides lateral support.

      (2)   A column or pier supported by piles shall rest on not less than three piles unless connected to permanent construction which provides lateral support.

      (3)   The minimum center-to-center spacing of piles shall be not less than twice the greatest diameter of a round pile, nor less than twice the diagonal dimension of a rectangular or rolled structural steel pile, nor less than two feet six inches.

   (b)   Pile Caps. Pile groups shall be capped with concrete properly designed to transmit the superimposed load to the pile group, in accordance with the requirements of Chapter 13-136.

(Prior code § 70-4)