250.416—What must I include in the diverter and BOP descriptions?

You must include in the diverter and BOP descriptions:
(a) A description of the diverter system and its operating procedures;
(b) A schematic drawing of the diverter system (plan and elevation views) that shows:
(1) The size of the annular BOP installed in the diverter housing;
(2) Spool outlet internal diameter(s);
(3) Diverter-line lengths and diameters; burst strengths and radius of curvature at each turn; and
(4) Valve type, size, working pressure rating, and location;
(c) A description of the BOP system and system components, including pressure ratings of BOP equipment and proposed BOP test pressures;
(d) A schematic drawing of the BOP system that shows the inside diameter of the BOP stack, number and type of preventers, all control systems and pods, location of choke and kill lines, and associated valves;
(e) Independent third party verification and supporting documentation that show the blind-shear rams installed in the BOP stack are capable of shearing any drill pipe in the hole under maximum anticipated surface pressure. The documentation must include test results and calculations of shearing capacity of all pipe to be used in the well including correction for MASP;
(f) When you use a subsea BOP stack, independent third party verification that shows:
(1) the BOP stack is designed for the specific equipment on the rig and for the specific well design;
(2) The BOP stack has not been compromised or damaged from previous service;
(3) The BOP stack will operate in the conditions in which it will be used; and
(g) The qualifications of the independent third party referenced in paragraphs (e) and (f) of this section:
(1) The independent third party in paragraph (e) in this section must be a technical classification society; an API-licensed manufacturing, inspection, or certification firm; or a licensed professional engineering firm capable of providing the verifications required under this part. The independent third party must not be the original equipment manufacturer (OEM).
(2) You must:
(i) Include evidence that the firm you are using is reputable, the firm or its employees hold appropriate licenses to perform the verification in the appropriate jurisdiction, the firm carries industry-standard levels of professional liability insurance, and the firm has no record of violations of applicable law.
(ii) Ensure that an official representative of BOEMRE will have access to the location to witness any testing or inspections, and verify information submitted to BOEMRE. Prior to any shearing ram tests or inspections, you must notify the District Manager at least 24 hours in advance.

Code of Federal Regulations

[68 FR 8423, Feb. 20, 2003, as amended at 75 FR 63372, Oct. 14, 2010]