api rp 584 integrity operating windows

1、PLEASE NOTE: THIS BALLOT IS FOR THE HIGHLIGHTED CHANGES ONLY. COMMENTS ON EXISTING TEXT WILL BE ACCEPTED BUT WILL BE SCORECARDED FOR THE NEXT EDITION.Table of Contents1.Purpose and Scope22.Introduction to Integrity Oper

2、ating Windows33.Terms, Definitions, Acronyms and Abbreviations64.Parameters That May Require Different Types of IOW’s85.IOW Work Process116.IOW Risk Ranking167.Examples of IOW’s198.IOW Development239.General Consideratio

3、ns for Establishing IOW’s and Their Limits2610.Documenting, Implementing and Training on Established IOW’s2811.Monitoring and Measuring IOW Parameters3112.Updating IOW’s3213.Roles, Responsibilities and Accountabilities f

4、or IOW’s3214.Integrating IOW’s with Other Related Work Processes34Appendix A: Examples of Potential Process Parameters for IOW’s36Appendix B: Sample Format for Recording IOWs401.4 This RP does not cover other operating

5、windows established for normal process control for the purposes of maintaining product quality and other operating PSMfactorsissues including avoidance of operating error, that do not relate to control for the purpose o

6、f maintaining equipment integrity and reliability.However, existing systems in place for managing all operating variables and envelopes, should beintegrated with IOW’s established using the guidance in this RP.2. Introdu

7、ction to Integrity Operating Windows2.1. In today’soperating environment, it is not enough to base future inspection plans only onprior recorded/known history of equipment condition. A fundamental understanding of the pr

8、ocess/operating conditions and resulting damage mechanisms are required in order to establish and maintain an inspection program that yields the highest probability of detecting potential damage.Inspection plans shouldbe

9、 dynamic and account for changing process conditions and currentequipment condition. A fundamental step is to frequently rationalize and align the developed degradationknowledge base of the materials of construction with

10、 the operation of the equipment, its inspection history, measured corrosion rates and known industry problems. With the move to risk based inspection programs, it is even more vital to identify and track process informa

11、tion that validates or might cause changes to existing inspection plans.2.2. In order to maintain the integrity and reliability of pressure equipment in the refining and petrochemical industry, several process safety man

12、agement systems are necessary. Many of those management systems are oriented toward having a rigorous inspection program, as well as all the supportive engineering activities, to maintain pressure equipment integrity an

13、d reliability. The Inspection, Corrosion/Materials, and Atmospheric Storage Tank Subcommittees of the API Committee on Refinery Equipment have produced a variety of codes, standards and recommended practices to guide ow

14、ner-users in maintaining pressure equipment integrity and reliability, including:- API 510Pressure Vessel Inspection Code- API 570Piping Inspection Code- API RP 571Damage Mechanisms Affecting Fixed Equipment in the Refin

15、ing Industry- API RP 572Inspection Practices for Pressure Vessels- API RP 573Inspection of Fired Heaters and Boilers- API RP 574Inspection Practices for Piping System Components- API RP 575Methods for Inspection of Atmos