30 CFR § 250.239 - What structural information must my DWOP include?

---
identifier: "/us/cfr/t30/s250.239"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 250.239 - What structural information must my DWOP include?"
title_number: 30
title_name: "Mineral Resources"
section_number: "250.239"
section_name: "What structural information must my DWOP include?"
chapter_name: "BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "B"
subchapter_name: "OFFSHORE"
part_number: "250"
part_name: "OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 1751, 31 U.S.C. 9701, 33 U.S.C. 1321(j)(1)(C), 43 U.S.C. 1334."
regulatory_source: "76 FR 64462, Oct. 18, 2011, unless otherwise noted."
cfr_part: "250"
---


# 250.239 What structural information must my DWOP include?

You must include the following information in your DWOP, as applicable, to align with the activities to be addressed in the associated platform application, including any major modifications:

(a) Structural design, fabrication, and installation information;

(b) Design, fabrication, installation, and monitoring information on the tendon, or mooring systems, including the turret or buoy system, if applicable; and

(c) Information on any active station keeping system(s) involving thrusters or other means of propulsion.