Plumbing Report We met with the homeowner who requested an estimate to replace the drain line for his back-to-back bathrooms located under the slab of the home. The homeowner wants this work completed via tunneling rather than interior demolition. After reviewing the site conditions, we confirmed that the work will require excavation beneath the slab to access and replace the affected drain lines, as well as additional measures to ensure proper reconnection to the existing drainage system. ⸻