API publications necessarily address problems of a general nature. With respect to particular circumstances, local, state, and federal laws and regulations. Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition. American Petroleum Institute (API) First Edition, April 76p. This document provides guidelines and recommended practice for the satisfactory design of.
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Older platforms may also have higher frequency of releases as a result of ageing which r; increase the likelihood of leaks due to ro and fatigue issues. You can visit our cookie privacy page for more information. This website uses non-intrusive cookies to improve your user experience. However for existing installations remedial measures may be required to demonstrate robustness of the installation and changes to inventory profile may 2cb require some remedials.
Some examples of this include the common practice of sniping secondary beams to minimise weld distortions when attached to webs of plate girders as part of the deck. The failure history of large ocean going vessels is a significant cause of concern in the shipping industry. Large scale testing in recent years has highlighted that significantly higher overpressures can occur as a result of an ignition of a hydrocarbon in a typical offshore module with realistic levels of congestion and confinement.
The most complex and extensive structural modelling process adopted is the finite element method which can potentially capture all of the non-linear material and geometric behaviour together with the dynamics. Nature of threat The potential for 2rb accidental release of a hydrocarbon mixture is ever present on hydrocarbon carrying installations and, if ignited, could lead to a serious incident involving loss of life, loss of the asset and environmental damage.
This publication serves as a guide for those who are concerned with the design and construction of new platforms and for the relocation of existing platforms used for the drilling, development, and storage of hyd Duty holders must demonstrate that structures have sufficient robustness to ensure a low probability of catastrophic failure when subjected to accidental explosions.
Risk level Large scale testing in recent years has highlighted that significantly higher overpressures can occur as a result of an ignition of a hydrocarbon in a typical offshore module with realistic levels of congestion and confinement. The potential for an accidental release of a hydrocarbon mixture is ever present on hydrocarbon carrying installations and, if ignited, could lead to a serious incident involving loss of life, loss of the asset and environmental damage.
Post Piper, several bars of pressure were found to be a real possibility with realistic levels of congestion and confinement.
Abstract Projects with accelerated engineering, procurement, and construction EPC schedules are becoming common in the oil and gas industry with Oil Majors keen on quick and guaranteed returns on investment.
The latest industry based guidance 2rb is currently in use is the API Recommended Practice 2FB for design of offshore facilities against fire and blast loading.
This RP presents recommendations for minimizing the likelihood of having an accidental fire, and for designing, inspecting, and maintaining fire control systems.
Analysis and Design of Profiled Blast Walls. Is this page useful? This also changes if modifications made to the structure increase inventories.
Technical policy relating to structural behaviour under explosion hazards
Subsequently, frequency analysis was conducted using parts count methodology to cumulate the frequency of fire scenarios. Publishers Content Coverage Privacy.
Previous research has shown that as the gas cloud increases a runaway length can be reached at which point the overpressure increases significantly. A fire and blast information group was subsequently established through which a number of important technical notes have been 2rb. This document recommends minimum requirements and guidelines for the design and installation of electrical systems on fixed and floating petroleum facilities located offshore when hazardous locations are classified as Zone 0, Zone 1, or Zone 2.
This was sponsored by 28 companies and the Health and safety Executive in order to improve understanding in the characteristics of hydrocarbon fires and explosions.
This recommended practice is intended to assist in development of a management program designed to promote safety and environmental protection during the performance of offshore oil and gas and sulphur operations. The advantages of adopting this methodology based wpi SRA approach are deemed to be well-suited for bidding phase, where the zpi and cost of carrying out detailed risk analysis is not feasible.
Fire and Explosion Guidance Part 1: Successfully dealing with extreme uncertain events has been shown in the past to be dependent on good engineering practice, as well as appropriate QRA, such as providing continuity between elements, ductile details which avoid high stress concentrations at critical points weld details for example so that the structure can take up the energy of the apu by stable deformations and plasticity.
Skip to content Skip to navigation. The selection of prominent leak scenarios was based on the good practice followed in the industry supported by the requirements specified within Operator Standards as well. This publication is designed to serve as a direct field aid in well control and as 2vb technical source for teaching Resources Technical policy relating f2b seismic event hazards Jack-up self-elevating installations: This r should have no impact for new installations as designs should incorporate the required regulatory and technical principles.
The magnitude of the explosion loads for which the installation is designed should reflect the residual risks to persons on the installation from explosion in line with the ALARP principle. Industrial scale fire, explosion and environmental pollution from the production, refining, and distribution of petroleum remains one of the major concerns impacting human life and environment, incurring business losses and jeopardizing organizational reputation.
The nature of the threat varies significantly with inventory detail, level of confinement and congestion which is almost always present on North Sea layouts.
However the QRA process is quite complex and can be demanding which tends to limit the QRA by concentrating on representative scenarios. Little consideration had therefore been given to explosion scenarios on many older fixed structures. HSE aims to reduce work-related death, injury and ill health. The methodology adopted was to conduct a risk assessment for a typical bid to arrive at the sound cost estimate for the fire protection systems. As a consequence there is the potential for an improvement in QRA models.
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Retrofit of barriers usually blast walls to existing installations plays a major part in zpi the risk and achieving ALARP criteria for accidental explosion events. Introduction Industrial scale fire, explosion and environmental pollution from the production, refining, and distribution of petroleum remains one of the major concerns impacting human life and environment, incurring business losses and jeopardizing organizational reputation.
Background Prior to the 2ffb Alpha incident, structural design to limit the consequences of a hydrocarbon explosion was mainly confined to constructing blast walls in the well bay area.