§ 27-712 Concrete-filled pipe piles.
AC § 27-712
(a)Materials. The pipe shall conform to the provisions of reference standard RS 11-8. Concrete shall conform to the requirements of article five of subchapter ten of this chapter.
(b)Minimum dimensions.
(1)Pipe installed open-end and having a nominal outside diameter of less than fourteen inches shall be at least one-quarter inch thick. For diameters from fourteen inches to eighteen inches, the minimum thickness shall be 0.310 in. For diameters over eighteen inches, the minimum thickness shall be 0.375 in.
(2)Steel pipe piles installed with ends closed shall have a minimum nominal wall thickness of at least 0.125 in.
(3)For piles which receive their principal support by friction, closure or splice plates shall not project more than three-eighths of an inch beyond the outer limit of the pipe section.
(c)Installation.
(4)Placing of concrete fill in pipe shells shall conform to the requirements for placing concrete fill in cast-in-place piles.
