LAC 51:XIV.1103. Materials

A. Inside Conductors Including Above Ground Storm Drains. Conductors placed within buildings or run in vent or pipe shafts shall be aluminum, cast iron, galvanized steel, galvanized ferrous alloys, brass, copper tubing of a weight not less than that of copper drainage tube Type DWV, copper pipe or Schedule 40 plastic pipe. B. Building Storm Drains. All building storm drains shall be of materials required for building drains in §§703.C and 703.D of this code. C. Underground Building Storm Drains. Underground building storm drains, inside the building perimeter, shall be of cast iron soil pipe, ferrous-alloy piping, copper tube Type DWV, or Schedule 40 plastic piping. D. Building Storm Sewers. The building storm sewer shall be of cast iron soil pipe, vitrified-clay pipe, concrete pipe, or plastic pipe meeting the requirements of Table 703 of this code.