Verification of Fixed Offshore Oil and Gas Platforms An Analysis of Need, Scope, and Alternative Verification Systems (1977) / Chapter Skim
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A RECOMMENDED VERIFICATION SYSTEM
A RECOMMENDED VERIFICATION SYSTEM
Pages 24-34
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From page 24... ...
The resulting system should be sufficiently flexible to allow adaptation to other offshore facilities that might be used for OCS oil and gas development. System Steps The basic steps encompassed in the proposed procedure are: 1.
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From page 25... ...
These include: 0 Definition of environmental performance criteria, which the structure must withstand (e.g., a 100-year storm) ; 0 Design criteria and procedures, including probable names of designer and design consultants; 0 Fabrication procedures, including probable list of fabricators; 0 Installation procedures (conditions analyzed, such as launch, applicable pile-driving practices, etc.)
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From page 26... ...
; 0 Internal standards developed within individual organizations comprising the offshore industry; 0 American Welding Society (AWS) ; and, 0 other regulations and foreign standards as applicable to the specific structures for which the structure verification plan is submitted, e.g.
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From page 27... ...
These steps include detailed geologic and oceanographic investigation of the specific site, establishment of the system concept for development of the field, design of the structure, fabrication of principal components, transportation and installation of the basic structure at the site, completion of installation of the drilling and production equipment, after which the drilling can commence. Over that period of time, design details are completed, with such adjustments as may be required.
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From page 28... ...
Third-Party Verification Agents To be qualified as an independent verification agent (design reviewer or inspector) , the design organization or personnel selected may not have corporate affiliation with the owner or operator; nor should they verify any of the design, fabrication, installation, or operation functions which they or a corporate affiliate have performed for the specific platform being verified.
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From page 29... ...
The purpose of the auditing function is to assure the USGS that the verifying agents are, in fact, conducting the verification procedure systematically, completely, and totally in compliance with the verification plan. Spot checks may be required in which inspection techniques and inspection records are carefully examined and authenticated.
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From page 30... ...
-Verification Inspection ot -Verification agent selected by operaFabrication and Installation tor and approved by USGS. -Post Installation -Plans developed by operator with Periodic Inspection Plans LSGS approval.
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As will be noted, the functions marked by asterisks and identified as "establish criteria," "approve plan," "provide appeal route," "failure reporting and analysis," and "audit implementation" are considered to be primarily government responsibilities. The remaining functions are "prepare plan," "check plan," "implement plan," and "monitor implementation." The management options for these functions should be balanced against considerations of credibility, accountability, and cost.
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From page 32... ...
USGS USGS USGS * Provide Appeal Route USGS USGS USGS Implement Plan Third Parties Third Parties Third Parties Monitor Implementation USGS/ contractor USGS/ contractor USGS/ contractor Failure Reporting*
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From page 33... ...
This function, however, can be carried out by industry, using qualified verification agents with the necessary skills who may be individuals or companies that have no corporate affiliation with the owner/ operator of the particular structural platform being verified. The operator's choice of third-party verification agents would be submitted in the verification plan for the USGS approval.
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From page 34... ...
34 The assignment of a group of USCG technical personnel might be considered for a two- to five-year period to aid in the verification system while a permanent USGS staff is formed. As the USGS competence was developed, the assigned USCG staff would be terminated.
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