14 CAR § 21-904. Installation

(a) The septic tank installer is responsible for inspecting the tank or tanks delivered to the jobsite to ensure: (1) A licensed manufacturer produced it; and (2) That it remains in a sound, watertight condition throughout the installation. (b) Septic tanks, septic holding tanks, pump basins, and dosing tanks shall be installed and bedded on a firm, level, gravel surface or according to manufacturer’s instructions. (c) Influent and effluent lines connected to the tank shall be sealed in a manner that prevents groundwater infiltration and pipe movement. (d) Only authorized rubber boot type pipe penetration seals shall be cast into the tank.