SECTION 408 and Drilling and Invasive Program Plan
This guide provides an overview of when and how to prepare a drilling and invasive program plan (DIPP) for drilling and invasive activities at a dam or levee in accordance with U.S. Army Corps of Engineers (USACE) Engineer Regulation 1110-1-1807. This includes horizontal direction drilling (HDD). This guide is not all inclusive and is a summary of the references listed below. These references should be consulted for full requirements and considerations.
| Published: | March 5, 2026 |
U.S. Army Corps of Engineers, Louisville District - Draft Documents
