e-CFR banner

Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

 

Electronic Code of Federal Regulations

e-CFR data is current as of March 26, 2020

Title 33Chapter ISubchapter NPart 143 → Subpart C


Title 33: Navigation and Navigable Waters
PART 143—DESIGN AND EQUIPMENT


Subpart C—Mobile Offshore Drilling Units


Contents
§143.200   Applicability.
§143.201   Existing MODUs exempted from new design requirements.
§143.205   Requirements for U.S. and undocumented MODUs.
§143.207   Requirements for foreign MODUs.
§143.208   Hazardous location requirements on foreign MODUs.
§143.210   Letter of compliance.

§143.200   Applicability.

This subpart applies to mobile offshore drilling units when engaged in OCS activities.

§143.201   Existing MODUs exempted from new design requirements.

Any mobile offshore drilling unit built before, under construction on, or contracted for prior to April 5, 1982 is not required to meet the design requirements of this subpart until the unit is rebuilt. Until rebuilt, the unit must continue to comply with the design requirements applicable to the unit on April 4, 1982.

[CGD 78-160, 47 FR 11011, Mar. 15, 1982]

§143.205   Requirements for U.S. and undocumented MODUs.

Each mobile offshore drilling unit that is documented under the laws of the United States or not documented under the laws of any nation must comply with the design, equipment, and inspection requirements of 46 CFR parts 107 and 108 in order to engage in OCS activities.

§143.207   Requirements for foreign MODUs.

Each mobile offshore drilling unit that is documented under the laws of a foreign nation must, when engaged in OCS activities, comply with one of the following:

(a) The design and equipment standards of 46 CFR part 108.

(b) The design and equipment standards of the documenting nation if the standards provide a level of safety generally equivalent to or greater than that provided under 46 CFR part 108.

(c) The design and equipment standards for mobile offshore drilling units contained in the International Maritime Organization (IMO, formerly Inter-Governmental Maritime Consultative Organization or IMCO) (IMO) Code for Construction and Equipment of Mobile Offshore Drilling Units (IMO Assembly Resolution A.414(XI)) which has been incorporated by reference.

§143.208   Hazardous location requirements on foreign MODUs.

Each mobile offshore drilling unit that is documented under the laws of a foreign nation and is constructed after April 2, 2018 must comply with the requirements of 46 CFR subpart 111.108 prior to engaging in OCS activities.

[USCG-2012-0850, 80 FR 16990, Mar. 31, 2015]

§143.210   Letter of compliance.

(a) The Officer in Charge, Marine Inspection, determines whether a mobile offshore drilling unit which does not hold a valid Coast Guard Certificate of Inspection meets the requirements of §143.205 or §143.207 relating to design and equipment standards and issues a letter of compliance for each unit which meets the requirements. Inspection of the unit may be required as part of this determination.

(b) A letter of compliance issued under paragraph (a) of this section is valid for one year or until the MODU departs the OCS for foreign operations, whichever comes first.

(c) The owner or operator of a foreign mobile offshore drilling unit requiring a letter of compliance examination must pay the fee prescribed in 46 CFR 2.10-130.

[CGD 84-098a, 53 FR 18981, May 26, 1988, as amended by CGD 91-030, 60 FR 13563, Mar. 13, 1995]

Need assistance?