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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Peer reviewed only Published between: 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 qpi the asset and environmental damage. This method is often described as simple because of the simplicity of 2rb idealisation and the fact you can obtain a response time history using a spreadsheet hence conducting parametric studies which are useful for screening different pressure time histories.

API Standards List

A key area ap requires detailed consideration are the structural details which would perform adequately under static loading but become brittle and possibly fail under a dynamic loading consideration. Much of this data is currently being harmonised through ISO to a set of appropriate criteria. Rock Mechanics Symposium and 5th U. Retrofit of barriers usually blast walls to existing installations plays a major part in reducing the risk and achieving ALARP criteria for accidental explosion events.

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Limiting a potential gas cloud size is an important issue in the design phase as well as keeping the design pressures inherently lower generally through design to minimise the effects of an explosion and fire is a key component on an FPSO facility Relevant publications ISO Offshore Structures – General requirements ISO Specific requirements for offshore structures – Part 3: 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 2cb.


Proceedings of an international conference Subsea Controls and Data Acquisition ‘ A – switch to normal size A – switch to large size A – switch to larger size.

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 a;i. Proceedings of an international 22fb Diverless and Deepwater Techology: Health and Safety Executive. Prior to the Piper Alpha incident, structural design to limit the consequences of a hydrocarbon explosion was mainly confined to constructing blast walls in the well bay area.

Technical policy relating to structural behaviour under explosion hazards

Log in to your subscription Username. Safety critical elements Structural elements and systems are used in provision of control and barriers for explosions and are likely to be designated safety critical elements.

Full scale tests on realistic modules and congestion confinement levels carried out on joint industry projects have shown that the severity of the threat is more severe and complex than originally envisaged. Fire and Explosion Guidance Part 0: This was sponsored by 28 companies and the Health and safety Executive in order to improve understanding in the characteristics of hydrocarbon fires and 2fh.

However the QRA process is quite complex and can be demanding which tends to limit the QRA by concentrating on representative scenarios.

Single degree of freedom models This method is often described as simple because of the simplicity of the idealisation and the fact you can obtain a response time history using a spreadsheet hence conducting parametric studies which are useful for screening different pressure time histories. This recommended practice is intended to assist in development of a management program designed to promote safety r; environmental protection during the performance of offshore oil and gas and sulphur operations.

Ageing assessments should confirm that structural arrangements are still appropriate for inventory levels that exist on the installation.


Structural behaviour under explosion hazards

Worldwide practice Prior to the Piper Alpha incident inlimited design guidance for offshore structures to limit the consequences of fires and explosions existed. The purpose of these recommended practices is to provide information that can serve as a voluntary industry guide for safe well control operations.

This is typically taken as the mid-span with the assumption of a uniformly apj mass and stiffness.

This publication is designed to serve as a direct field aid in well control and as a technical source for teaching The nature of the threat varies significantly with inventory detail, level of confinement and congestion which is almost always present on North Sea layouts. Although an incident of the same magnitude as Piper Alpha has been avoided, there have been fires and explosions which could potentially have led to more catastrophic events. Subsequently, frequency analysis was conducted using parts count methodology to cumulate the frequency of fire scenarios.

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Is this page useful? The advantages of adopting this methodology based on SRA approach are deemed to be well-suited for bidding phase, where the time and cost of carrying out detailed risk analysis is not feasible. 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. Resources Technical policy relating to seismic event hazards Jack-up self-elevating installations: The most prominent leak scenarios for the study were considered as a part of the simplified pai in lieu of considering exhaustive scenario combinations based on 2fn leak sizes, weather parameters, leak directions, etc.