13-148-070 Cast iron – Thickness of metal.

   The minimum thickness of cast iron shall be not less than the following:

   (a)   Columns. One-twelfth the smallest dimension of cross section with a minimum thickness of three-fourths of an inch;

   (b)   Bases and Flanges. One inch and reinforced with fillets and brackets;

   (c)   Lintels. Three-fourths of an inch and limited to a maximum span of six feet.

   Where required by the building commissioner three-eighths inch round inspection holes shall be drilled in the section to exhibit the thickness.

(Prior code § 74-5.2; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 32; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)