Louisiana Administrative Code
Title 51 - PUBLIC HEALTH-SANITARY CODE
Part XIV - Plumbing
Chapter 7 - Sanitary Drainage
Section XIV-733 - Repairs to Drainage System via Re-route

A. In the case where it is determined that there is a broken underground drain line including, but not limited to, broken drain lines under the slab of a building, and a drain line re-route is performed, the existing broken underground drain line shall be cut or otherwise disconnected from the entire drainage system. At the point of such cutting or disconnection, the entire circumference of the existing pipe which remains connected to the drainage system shall have a wall thickness of not less than 1/8-inch. The existing pipe which remains connected to the drainage system shall be sealed watertight and gastight using approved plumbing materials and joining/jointing methods, e.g., properly install an approved cap, plug, or cleanout on the cut or disconnected pipe.