Process Hazard Analyses

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Отчет ХАЗОП по ЕРС Проекту Строительства Газопровода
30.09.2015, 13:15

Table of Contents

1.0 EXECUTIVE SUMMARY 4

2.0 INTRODUCTION 5

2.1 Abbreviations 5

3.0 SYSTEM OVERVIEW & SCOPE 7

3.1 Overview of System 7

3.2 Scope of HAZOP Review 8

4.0 APPROACH 10

4.1 HAZOP Methodology 10

4.2 Risk Ranking 10

4.3 HAZOP Team 14

4.4 Information Pack 17

4.5 Nodes Studied 17

5.0 SUMMARY OF FINDINGS 20

Appendix A – HAZOP Guidewords 21

Appendix B – HAZOP Worksheets 23

Appendix C – HAZOP Recommendations 129

Appendix D – HAZOP P&IDs 134

Appendix E – Action Sheets 135

1.0 Executive Summary

This HAZOP report is for the TFP project which provides an additional 48 inch

pipeline from TRF to the FRS (Fujairah Receiving Station) in FRS in order to supply

up to 1.6 BSCFD of natural gas to serve the immediate and future gas requirements

of one of Dolphin’s major customers.

The HAZOP Team members comprised of personnel from Worley Parsons, Dolphin,

StroyTransGaz, FAPCO and ALSTOM. These team members provided the range of

knowledge and expertise required for a comprehensive discussion. The HAZOP

Team members and their attendance are listed in Table 4-4 and Table 4-5 .

A total of 11 nodes were selected for review. The nodes along with the design

information and drawing references are presented in Table 4-6 . Where necessary,

recommendations were made with the major ones being:

o Ensure design review action no: 5 to blow down section is suitably closed out

o Ensure SIL study is completed

o Decision to be made whether full or partial stroking is required to meet

maintenance requirements and SIL validation of all SIL rated loops

o Consider splitting the duty of the XV 410 into two duty valves and compare

reliability with single XV 410

o OHL study to be completed and recommendations to be implemented

o For all wadi crossings, review free span potential and possible impact on

pipeline

o Remove remote operation capability on all filter MOVs and amend P&IDs

accordingly

o Consider provision of water supply in vicinity of filters and receivers

o Internal management of change review to include preparation of pigging

facilities for the 40 inch line

o Dolphin to request ADWEC to pass on Dolphin / ADWEC operating protocol

information to FAPCO

o Dolphin to identify signal exchange from FAPCO and advise

o Identify all the critical flanges and place them on hold for operations

inspection during the bolting and leak test

A full list of Recommendations is shown in Appendix C

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