CFR > Title 30 - Mineral Resources > CHAPTER II—MINERALS MANAGEMENT SERVICE, DEPARTMENT OF THE INTERIOR > SUBCHAPTER B—OFFSHORE (parts 250 to 285) > PART 250—OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF > SUBPART Q—Decommissioning Activities (§250.1700 to §250.1754) > 250.1741—If I drag a trawl across a site, what requirements must I meet?

250.1741—If I drag a trawl across a site, what requirements must I meet?

If you drag a trawl across the site in accordance with § 250.1740, you must meet all of the requirements of this section.
(a) You must drag the trawl in a grid-like pattern as shown in the following table:
For a— You must drag the trawl across a—
(1) Well site 300-foot-radius circle centered on the well location.
(2) Subsea well site 600-foot-radius circle centered on the well location.
(3) Platform site 1,320-foot-radius circle centered on the location of the platform.
(4) Single-well caisson, well protector jacket, template, or manifold 600-foot-radius circle centered on the structure location.
(b) You must trawl 100 percent of the limits described in paragraph (a) of this section in two directions.
(c) You must mark the area to be cleared as a hazard to navigation according to USCG requirements until you complete the site clearance procedures.
(d) You must use a trawling vessel equipped with a calibrated navigational positioning system capable of providing position accuracy of ±30 feet.
(e) You must use a trawling net that is representative of those used in the commercial fishing industry (one that has a net strength equal or greater than that provided by No. 18 twine).
(f) You must ensure that you trawl no closer than 300 feet from a shipwreck, and 500 feet from a sensitive biological feature.
(g) If you trawl near an active pipeline, you must meet the requirements in the following table:
For— You must trawl— And you must—
(1) Buried active pipelines First contact the pipeline owner or operator to determine the condition of the pipeline before trawling over the buried pipeline.
(2) Unburied active pipelines that are 8 inches in diameter or larger no closer than 100 feet to the either side of the pipeline Trawl parallel to the pipeline Do not trawl across the pipeline.
(3) Unburied smaller diameter active pipelines in the trawl area that have obstructions (e.g., pipeline valves) present no closer than 100 feet to either side of the pipeline. Trawl parallel to the pipeline. Do not trawl across the pipeline.
(4) Unburied active pipelines in the trawl area that are smaller than 8 inches in diameter and have no obstructions present parallel to the pipeline.
(h) You must ensure that any trawling contractor you may use:
(1) Has no corporate or other financial ties to you; and
(2) Has a valid commercial trawling license for both the vessel and its captain.

Code of Federal Regulations

[67 FR 35406, May 17, 2002; 67 FR 44266, July 1, 2002; 67 FR 66049, Oct. 30, 2002]