Ped Guidelines.pdf 4r2jl

Process Sub-Process

: Engineering Engineering Delivery

Document Title

: Guidelines for Pressure Equipment Directive (PED) Compliance

Document Number

: ENG-GLN-007

Document Type

: Guidelines

Revision Number

: C2

Revision Date

: 07/02/2006

Applicability:

: PSUK

Document Classification : Process Mandatory Review Cycle

: 12 Months

REVISION RECORD REV

DESCRIPTION

C1

Updated following process

C2

Company name now PSN

AUTHOR Steve Bage Chief Piping Engineer SB 22/09/05 Steve Bage Chief Piping Engineer SB 07/02/06

PSN ONLY REVIEWED BY

APPROVED BY

Mike Stone Chief Mechanical Eng 07/02/2006 MS Mike Stone Chief Mechanical Eng 07/02/2006 MS

John Kearney Global Technical Director JK 07/02/2006 John Kearney Global Technical Director JK 07/02/2006

PSN Management System Guidelines for Pressure Equipment Directive (PED) Compliance

Document Number: ENG-GLN-007 Revision: C2 Page:2 of 55

CONTENTS 1.0 2.0 3.0 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11

INTRODUCTION........................................................................................................... 3 SCOPE ......................................................................................................................... 3 DEFINITIONS ............................................................................................................... 3 RESPONSIBILITIES ..................................................................................................... 5 PROJECT / ENGINEERING MANAGER ....................................................................... 5 PACKAGE ENGINEER ................................................................................................. 5 PROCUREMENT .......................................................................................................... 5 DESIGN ENGINEER ..................................................................................................... 5 QA ENGINEER ............................................................................................................. 6 MATERIALS ENGINEER .............................................................................................. 6 SAFETY ENGINEER..................................................................................................... 6 EXECUTION / COMPLETION ....................................................................................... 6 PED TECHNICAL AUTHORITY .................................................................................... 7 NOTIFIED BODY .......................................................................................................... 7 DIRECTIVE REQUIREMENTS ..................................................................................... 7 EXCLUSIONS ............................................................................................................... 7 TECHNICAL REQUIREMENTS .................................................................................... 8 CLASSIFICATION OF PRESSURE EQUIPMENT ........................................................ 8 CONFORMITY ASSESSMENT ..................................................................................... 9 CONFORMITY ASSESSMENT PROCEDURES ........................................................... 9 ESSENTIAL SAFETY REQUIREMENTS .....................................................................10 TECHNICAL DOCUMENTATION ................................................................................10 DECLARATION OF CONFORMITY .............................................................................11 CE MARKING ..............................................................................................................11 NOTIFIED BODIES ......................................................................................................12 PRESUMPTION OF CONFORMITY ............................................................................12

ATTACHMENTS ATTACHMENT 01 ATTACHMENT 02 ATTACHMENT 03 ATTACHMENT 04 ATTACHMENT 05 ATTACHMENT 06 ATTACHMENT 07 ATTACHMENT 08 ATTACHMENT 09 ATTACHMENT 10 ATTACHMENT 11 ATTACHMENT 12

PARTICULAR MATERIAL APPRAISAL (PMA) DATA SHEET ................................. 15 HAZARD CHECKLIST............................................................................................... 16 ESSENTIAL SAFETY REQUIREMENTS COMPLIANCE MATRIX .......................... 19 DESIGN CONFORMITY ASSESSMENT CHECKLIST (PIPING) ........................... 47 DESIGN CONFORMITY ASSESSMENT CHECKLIST (MECHANICAL)...................48 DESIGN CONFORMITY ASSESSMENT CHECKLIST (INSTRUMENTS).................49 TECHNICAL DOCUMENTATION FOR EACH MODULE ......................................... 51 ON-SITE CONFORMITY ASSESSMENT CHECKLIST ........................................... 53 CE MARKING LABEL FOR PRESSURE SYSTEM ASSEMBLY .............................. 54 DECLARATION OF CONFORMITY ......................................................................... 55 CLOSE-OUT ASSESSMENT CHECKLIST ............................................................... 56 EXCLUSIONS .......................................................................................................... 57

This paper copy is UNCONTROLLED UNLESS ISSUED AS A CONTROLLLED COPY BY DOCUMENT CONTROL Refer to the web site for the current revision.


1.0


INTRODUCTION

The European Pressure Equipment Directive (PED) (97/23/EC – May 97) is currently implemented in the UK as the Pressure Equipment Regulations: 1999 (SI 1999 No. 2001). The Directive came into force on 29 November 1999. The Directive has wide ranging implications for the Oil, Gas and Petrochemical industry and the intent of this document is to provide guidance on those implications for PSN.

2.0

SCOPE

PED applies to the design, manufacture and conformity assessment of all items of pressure equipment and assemblies with a maximum allowable pressure greater than 0.5 bar above normal atmospheric pressure (gauge pressure). Under the Regulations, pressure equipment and assemblies above specified pressure/volume thresholds must: • • • •

3.0

be safe meet essential safety requirements covering design, manufacture & testing satisfy appropriate conformity assessment procedures; and carry the CE marking and other information DEFINITIONS

The Regulations define: Pressure Equipment as vessels, piping, safety accessories and pressure accessories; Where applicable, pressure equipment includes elements attached to pressurised parts such as flanges, nozzles, couplings, s, lifting lugs etc. Vessel as a housing built to contain fluids under pressure; A vessel includes its direct attachments up to the coupling point connecting it to other equipment. A vessel may be composed of more than one chamber. Piping as piping components intended for the transport of fluids when connected together for integration into a pressure system: Piping includes a pipe or system of pipes, tubing, fittings, expansion ts, hoses, or other pressure bearing components as appropriate. Heat exchangers consisting of pipes for the purpose of heating or cooling of air shall be considered as piping.




Safety Accessories as devices designed to protect pressure equipment against the allowable limits being exceeded. Such devices include those for direct pressure limitation, such as safety valves and bursting discs etc, and limiting devices which either activate the means for correction, or provide for shutdown or shutdown and lockout, such as pressure switches or temperature switches etc. Pressure Accessories as devices with an operational function and having pressure bearing housings. Assemblies as several pieces of pressure equipment assembled to constitute an integrated and functional whole. NOTE: The Regulations do not apply to the assembly of pressure equipment on site(s) and under the responsibility of the , as in the case of industrial installations. In such cases the “ in-use “ regulations will cover the assembly of pressure equipment on site. Responsible Person: “The manufacturer or his authorised representative established within the community”. The responsible person may arrange for any, or all, of the activities involved in the design and manufacture of an item of pressure equipment to be carried out by others. Such activities include: • • • •

Ensuring compliance with essential safety requirements Ensuring the appropriate conformity assessment procedure has been carried out, where required Ensuring a Declaration of Conformity has been drawn up Ensuring proper CE marking



4.0

RESPONSIBILITIES

4.1

PROJECT / ENGINEERING MANAGER


Ensure all engineering personnel are aware of, and familiar with the requirements of this procedure. Conduct, or arrange to have conducted, awareness sessions for other project personnel impacted by PED. Such personnel may include Materials, Procurement, QA/QC, Safety, Construction, Certification, Welding etc and may include close co-operation with Heat treatment and NDE sub-contractors. Sign the Declaration of Conformity for the pressure equipment within their scope.

4.2

PACKAGE ENGINEER

Identify all items of pressure equipment within their package and ensure compliance to this guidance and the Regulations. Ensure all technical requisitions and all relevant documentation/certification identified in the outline quality controls meets the needs of this guidance.

4.3

PROCUREMENT

Ensure all relevant engineering information and documentation requirements are transferred to the PO. Ensure only vendors approved for the supply of pressure equipment are used.

4.4

DESIGN ENGINEER

Confirm that any applicable pressure equipment complies with the requirements of this guidance and that the appropriate design conformity assessment checklists have been completed.



4.5


QA ENGINEER

Ensure completed technical requisitions for pressure equipment are checked for completeness and compliance to PED. If appropriate carry out audits of vendors to ensure the requirements of the Directive are being complied with. Carry out appropriate inspections of workmanship and documentation at vendors premises to ensure compliance to this guidance and the Regulations. Ensure fabrication of pressure equipment is carried out in line with specified requirements. declaration of conformity and CE marking of appropriate parts of the pressure equipment assembly. Check all requirements for documentation, certification and other requirements prior to the issue of inspection release note. Interface with Notified Body including population of data into master Pressure Equipment .

4.6

MATERIALS ENGINEER

weld procedures and welder qualifications are in line with the requirements of the Regulations. Notify PED Technical Authority if no valid Particular Material Appraisal (PMA) is in place.. Liase with approved NDE sub-contractors to ensure that procedure and techniques meet the needs of this guidance and the Regulations.

4.7

SAFETY ENGINEER

Provide input to the Essential Safety Requirements checklist. Complete PED Hazard Checklist. Note! Where project is subject to formal HAZID / HAZOP hazard checklist may be replaced by HAZID / HAZOP reports.

4.8

EXECUTION / COMPLETION

Shall ensure that all on-site manufacture and assembly of pressure equipment, covered by the directive, is executed in a competent fashion, with all due regard for good working practice and in full compliance with the rules and regulations of the Directive. Ensure the completion of the “on-site” conformity assessment checklist on completion of the assembly/integration activities. Apply, or cause to have applied, the requisite CE marking label in accordance with the requirements of the model of Annex VI of the Directive. Reference attachment 09 This paper copy is UNCONTROLLED UNLESS ISSUED AS A CONTROLLLED COPY BY DOCUMENT CONTROL Refer to the web site for the current revision.


4.9


PED TECHNICAL AUTHORITY

Submit PMA applications to the notified body and maintain a current PMA library for use by all appropriate PSN projects. Maintain and update as necessary PED compliance procedure and liaise with notified body on matters relating to the procedure. Provide advice and coaching to PSN personnel in matters related to PED.

4.10

NOTIFIED BODY

Refer to para. 5.10

5.0

DIRECTIVE REQUIREMENTS

5.1

EXCLUSIONS

The Directive does not apply to equipment and assemblies: • • • •

Items listed in Attachment 12. Placed on the market in the European Economic Area (EEA) before 29 November 1999 (second hand) For use outside the EEA, not carrying CE marking In use, or repair or modification (unless significant) or being serviced

•

Entire change: the complete replacement of an item of pressure equipment by a new one is covered by the PED even if ‘like for like’.

•

Repairs are not covered by the PED but are covered by national regulations (if any.)

•

Pressure equipment which has been subject to important modifications that change its original characteristics, purpose and/or type after it has been put into service has to be considered as a new product covered by the directive. This has to be assessed on a case by case basis.

•

In the case of a modification to a piping system where: The content, main purpose and safety systems remain essentially the same, it may be regarded as a non important modification of an existing piping system and is therefore not covered by the PED.



5.2


TECHNICAL REQUIREMENTS

Pressure equipment referred to below must satisfy the essential safety requirements of the Directive set out in Attachment 03. Vessels intended to contain a) or b) below are within the scope of the Directive. a) Gases, liquefied gases, gases dissolved under pressure, vapours and those liquids where the vapour pressure at the maximum allowable temperature is greater than 0.5 bar above normal atmospheric pressure. b) Liquids having a vapour pressure, at the maximum allowable temperature of not more than 0.5 bar above normal atmospheric pressure. *

Fired or otherwise heated pressure equipment with the risk of overheating, intended for generation of steam or super heated water at temperatures greater than 110 degrees C and a volume greater than 2 litres.

Piping intended to contain a) or b) below are within the scope of the Directive. a) Gases, liquefied gases, gases dissolved under pressure and those liquids whose vapour pressure at the maximum allowable temperature is greater than 0.5 bar above normal atmospheric pressure. b) Liquids having a vapour pressure, at the maximum allowable temperature of not more than 0.5 bar above normal atmospheric pressure. Technical requirements are more fully explained in Article 3 of the Directive.

5.3

CLASSIFICATION OF PRESSURE EQUIPMENT

In order to know how the Regulations will apply to specific items of pressure equipment, the manufacturer will need to classify the equipment into one of five conformity assessment categories. These can be found in the conformity assessment tables in Annex II of the Directive. For Pressure Accessories the designer/manufacturer will need to know: • • • •

The state of the intended fluid contents – gas or liquid The classification of the intended fluid contents – Group 1 or 2 The maximum allowable pressure The volume in litres or the nominal size (DN) as appropriate

NOTE: Group 1 fluids are classified as dangerous substances and are one or more of the following: • • • • • • •

Explosive Extremely flammable Highly flammable Flammable (where the maximum allowable temperature is above flashpoint) Very toxic Toxic Oxidising

Group 2 comprises all other fluids including steam. This paper copy is UNCONTROLLED UNLESS ISSUED AS A CONTROLLLED COPY BY DOCUMENT CONTROL Refer to the web site for the current revision.


5.4


CONFORMITY ASSESSMENT

Before placing pressure equipment or assemblies on the market, the manufacturer shall subject each item of equipment to one of the conformity assessment procedures described in Annex III of the Directive. In order to demonstrate that the essential safety requirements are satisfied, equipment will be subject to conformity assessment. The manufacturer has a choice of attestation modules available to demonstrate compliance to the Directive, which includes: • • • •

Self certification Third party involvement by a notified body Quality assurance assessment by a notified body Combination of the above

The conformity assessment procedures to be applied to an item of equipment or assembly with a view to affixing the CE marking are determined by the category of the equipment (see Annex II of the Directive). The higher the category and therefore the hazard, the more demanding the requirements. Annex II of the Directive gives nine conformity assessment tables which are used to determine the category for each item of pressure equipment.

5.5

CONFORMITY ASSESSMENT PROCEDURES

The conformity assessment modules are laid down for each category in which the pressure equipment is classified and should be used by package engineers to determine the outline quality controls for their particular pressure equipment package. The headings for the various modules are given below and full details can be found in Annex III of the Directive. • • • • • • • • • • • • •

Module A Module A1 Module B Module B1 Module C1 Module D Module D1 Module E Module E1 Module F Module G Module H Module H1

Internal production control Internal production control with monitoring of final assessment EC type – examination EC design – examination Monitoring of final assessment Quality assurance for production, final inspection and testing Quality assurance for production, final inspection and testing Quality assurance for final inspection and testing Quality assurance for final inspection and testing Product verification Unit verification Full quality assurance Full quality assurance with design examination and monitoring of the final assessment

Where PSN is responsible for manufacture then this document together with existing quality assurance procedures allow PSN to operate under module H or H1 as appropriate. • Module H covers pressure equipment or assemblies up to Category III. • Module H1 covers is applicable to Category IV pressure equipment or assemblies This paper copy is UNCONTROLLED UNLESS ISSUED AS A CONTROLLLED COPY BY DOCUMENT CONTROL Refer to the web site for the current revision.


5.6


ESSENTIAL SAFETY REQUIREMENTS

Equipment classified in Categories I to IV will be required to meet requirements for design, manufacture, testing, marking, labelling, instructions and materials which are considered essential for safety reasons. This also includes safety accessories and pressure accessories intended for equipment classified in the above categories. The essential safety requirements are mandatory and must be addressed by the manufacturer. However they only apply if the corresponding hazard exists for the pressure equipment in question when it is used under conditions which are reasonably foreseeable by the manufacturer. The essential safety requirements are to be interpreted, and applied, in such a way as to take of state of the art and current practice at the time of design and manufacture as well as of technical and economic considerations which are consistent with a high degree of health and safety protection. The manufacturer is under an obligation to analyse the hazards in order to identify those which apply to his equipment on of pressure. Design and construction must take this hazard analysis into . The essential safety requirements, as they apply to PSN, are fully detailed in the table (Attachment 03).

5.7

TECHNICAL DOCUMENTATION

The manufacturer is required to retain technical documentation which must contain all relevant information and data about the means they have used to ensure that their pressure equipment and/or assemblies comply with the requirements of the Directive. This technical documentation should represent part of the final document review prior to the issue of an inspection release note. Details of technical documentation requirements are laid out in Attachment 07. The technical documentation shall enable the conformity of the pressure equipment to be assessed against the requirements of the Directive, and would typically include: • • • • • • • • • • •

Name and address of the manufacturer Name and address of the manufacturers representative in the community Identification, and general description of the equipment Conceptual design, manufacturing drawings etc Descriptions and explanations necessary for the understanding of the drawings A list of the harmonised standards and/or other standards applied in full or in part to demonstrate compliance with the Directives essential safety requirements Results of calculations and/or data sheets containing sufficient detail to compliance of the design Results of calculations for scantlings and, where appropriate, material test data Technical reports or certificates from competent bodies or laboratories to demonstrate that the pressure equipment and/or assembly conforms with the standard(s) applied Records of approval of NDE and ing personnel and procedures Information on items subcontracted including subcontractors name and control systems in place for verification of subcontracted work




In general the following documentation should be available for the final inspection specified in Annex 1 paragraph 3.2.1 of the Directive. • • • • • • • • • • • •

5.8

Evidence of NDT qualifications for that equipment category Evidence of Welder qualification for that category Heat treatment data Inspection documents for materials and consumables Material traceability procedures NDE reports including radiographs Destructive test reports Defect/deviation reports Forming, machining, chamfering etc data Evidence of weld procedure qualification Conceptual design and manufacturing drawings etc Design calculation data or test results in the case of experimental design DECLARATION OF CONFORMITY

When the manufacturer is satisfied that their equipment complies with the Directive, they must prepare a EC Declaration of Conformity and sign it. The CE marking can then be affixed. The EC Declaration of Conformity must contain: • • • • • • • • •

5.9

Name and address of the manufacturer or their authorised representative established within the community. Description of the pressure equipment or assembly. Conformity assessment procedure followed. In the case of assemblies, description of the pressure equipment constituting the assembly, and the conformity assessment procedures followed. Where appropriate, name and address of the notified body which carried out the inspection. Where appropriate, a reference to the EC type – examination certificate, EC design – examination certificate or EC certificate of conformity where appropriate, name and address of the notified body monitoring the manufacturers quality assurance system. Where appropriate, the references of the harmonised standards applied. Where appropriate, other technical standards and specifications used. Where appropriate, the references of the other community Directives applied. Particulars of the signatory authorised to sign the legally binding declaration for the manufacturer or their authorised representative established within the community. CE MARKING

The CE mark consists of the initials CE in accordance with the model in Annex VI of the Directive. Ref Attachment 09 The CE marking shall be affixed in a visible, legible and indelible fashion to each item of pressure equipment or assembly which is complete.



5.10


NOTIFIED BODIES

Manufacturers may need to use the services of one or more Notified Bodies to carry out the procedures for conformity assessment. Notified bodies should be able to provide the following services: • • • • • • • • • •

Assessment of quality systems Surveillance of the final assessment Design examination Unit verification Product verification Type examination Monitoring of the final assessment Approval of materials Approval of permanent ing personnel Approval of permanent ing procedures

5.11

PRESUMPTION OF CONFORMITY

Pressure equipment and assemblies which bear the CE marking and have an EC Declaration of Conformity provided are presumed to conform to all the provisions of the Directive and any other relevant Directive.


Page 13 of 55

ATTACHMENT 01 PARTICULAR MATERIAL APPRAISAL (PMA) MATERIAL DATA SHEET MATERIAL DESIGNATION: material designation goes here e.g. ASTM A105 APPLICATION Equipment PED Fluid Group

PED Category

Piping Gas Liquid Group 1 Group 2 I, II, III

Detail Forgings Various fluid types

Comments Design Code: e.g.’ ASME B31.3’

Detail Component type goes here e.g. ‘Flanges’ ‘Pipe’ ‘Fittings’ etc

Comments Manufacturing standard goes here e.g. ‘ASME B16.5’

Detail Min tensile strength goes here BS EN ISO 15156 Pt.1,2,3 To suit service and design life In accordance with ASTM Designation In accordance with ASTM Designation N/A

Comments In accordance with ASTM Material Designation & ASME B31.3 If applicable

Detail

Comments In accordance with ASME B31.3 Table K-1 for piping designated ‘High Pressure Fluid Service’ in acc. With B31.3 Chapter IX

MANUFACTURE Manufacturing process goes here e.g ‘Forging’ ‘Casting’ ‘Seamless Pipe’ Welded Pipe’ etc. MATERIAL REQUIREMENTS Specified min Strength:

(ksi)

Sour Service Corrosion / Erosion allowance Chemical Composition Heat treatment Impact testing requirements Design Data Allowable Temperature Range Maximum allowable Stress (ksi)

Deg F In accordance with ASME B31.3 Table A-1 or K-1

Name: Position: Notes:1. Material Certificate to BS EN 10204 3.1 minimum.

Sign: Date:

Page 14 of 55

ATTACHMENT 02 Pressure Equipment Directive 97/23/EC Hazard Checklist Category Internal Fluid

Detail

Comments

More Flow/High Level eg fluid carry over Transient Flow/Surge eg water hammer High Pressure Blocked Discharge Supply Fault Blow by from mainstream equipment Fire Exothermic Reaction Internal explosion Low Pressure/Vacuum ( lock in and cooling causing under pressure ) Pressure Pulsation ( close proximity to reciprocating machines ) High Temperature Low Temperature Joule-Thompson Fracture Endothermic Reaction

Effect/Brittle

Corrosive eg Acids, H2S Erosive: liquids Sands/Solids Others Machinery

Vibration from mixers/pumps etc Mechanical loads to s ( internals, mixers, pumps ) Weir plates Cavitation Other

File Ref:

Appraiser:

Page 1 of 3

Date:

Signature:

Accept/ Reject

Page 15 of 55

ATTACHMENT 02 Pressure Equipment Directive 97/23/EC Hazard Checklist Category

Detail

Other

Heaters, electric/steam

Comments

Electrostatic devices Injection points, eg dosing, inhibitors etc Wash connections ( will anything connected exceed design of vessel ) Hydrotest fluid ( compatibility with pressure equipment material(s) Others External Mechanical nozzles Mechanical equipment

loads

on External piping connected to nozzles etc

loads

on Vessel buried ( geotechnic loads ) Wind Blast ( external ) Seismic Snow and Ice Inertial ( eg on moving platform ) Transportation ( Acceleration loads from transport movement )

Mechanical Impact

Fire

Others Equipment vulnerability to vehicle impact or dropped objects Others Pool fires, Jet fires etc Others

File Ref: Page 2 of 3

Appraiser: Date:

Signature:

Accept/ Reject

Page 16 of 55

ATTACHMENT 02 Pressure Equipment Directive 97/23/EC Hazard Checklist Category

Detail

Environmental

Outside, wet

Comments

Accept/ Reject

Outside, arid Outside, hot Outside, cold Deposit, spillage of corrosive material on external surface of equipment Others Additional

Any potential scope for operator error? Any other identifiable hazards?

Notes: Hazards are threats to the integrity of the pressure equipment, ie they may lead to loss of containment. They do not consider the consequences of loss of containment, eg toxic, fire, explosion, carcinogenic, biological, environmental, etc. Internal Hazards are associated with the pressure equipment itself (and its fluid contents). External hazards originate outside the pressure equipment. File Ref:

Appraiser:

Page 3 of 3

Date:

Signature:

Page 17 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 1. GENERAL 1.1 Pressure equipment must be designed, manufactured and inspected, equipped and installed to ensure its safety during service in accordance with the Manufacturer’s working instructions. 1.2 The Manufacturer must apply the following principles: eliminate or reduce hazards insofar as reasonably practical. apply appropriate protection methods against all hazards. inform end of all residual hazards.

Compliance Statement

Documentary Evidence

Pressure System designed in accordance with HAZOP Reports clients specifications and recommended HAZOP Action Sheets Hazard Checklist practices. Where considered necessary systems are subject to HAZOP and HAZID assessment.

The required hierarchy of risk reduction is applied during this assessment and the findings, actions and recommendations taken through into detail design. As 1.2 above 1.3 Pressure equipment must be designed against any As 1.2 above foreseeable misuse and/or adequate warning given against any misuse.

Procedure Reference

Safety Engineering Screening Process Hazard Identification Studies Risk Assessment Risk Assessment Criteria Design Verification & Examination

As 1.2 above

Comment

Page 18 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2 DESIGN 2.1 General Pressure equipment must be designed to ensure that it is safe throughout its intended design life and that all appropriate safety factors have been incorporated



PSN design all pressure systems in accordance Site specific piping with clients piping specifications, national and specifications P&IDs international codes and standards. Piping Isometrics Order Specifications are developed from first principle Purchase calculation methods based upon the requirements requirements of ANSI B31.3 for a range of Component Data Sheets pressure & temperature design conditions. Specification documents Document Allowable stresses used in calculations taken Supplier from allowables within codes or published Requirement Lists National Standards for material type/grade being Manufacturers Certification considered. Declarations of For the design of procured equipment i.e. Conformity for procured pressure vessels or valves, PSN specify codes equipment and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity.

Procedure Reference

Comment

Technical Document Control Preparation of BOD and SOR Studies External Design Interface Controls Instructions to Suppliers / Fabricators - Drawing & Data Requirements

Refer to Design Conformity Assessment Checklist Procured items checked for CE marking to indicate compliance. Supplier issued Declarations of Conformity submitted to PSN for retention or held by Supplier.

Page 19 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.2 Design for Adequate Strength 2.2.1 The pressure equipment must be designed for all appropriate load conditions for its intended use and take into the following: internal/external pressure. ambient/operational temperatures. static pressure and mass of contents (operating and test). transportation, wind, earthquake loading. reaction forces and moments due to s, attachments, piping etc. corrosion and erosion, fatigue etc. decomposition of unstable fluids. 2.2.2 The design must be based on, as a general rule, a calculation method and supplemented, if necessary, by an experimental design method. 2.2.3 Calculation Method 2.2.3 (a) Pressure Containment and other Loading Aspects Allowable stresses must be limited with regard to any foreseeable failure modes under operating conditions with the appropriate safety factors applied. These requirements may be met by applying one or more of the following: design by formula. design by analysis. design by fracture mechanics



Procedure Reference

Comment

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

As 2.1 above

Page 20 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 2.2.3 (b) Resistance The resistance of the pressure equipment must be PSN design all pressure systems in accordance established by applying appropriate design calculations. with clients piping specifications, national and international codes and standards. The design pressure must not be less than the maximum allowable pressure and take of the Specifications are developed from first principle static head, dynamic fluid forces and the decomposition calculation methods based upon the requirements of ANSI B31.3 for a range of of unstable fluids. pressure & temperature design conditions. The design temperature must allow for appropriate Allowable stresses used in calculations taken from allowables within codes or published safety margins. National Standards for material type/grade being The design must take of all possible considered. combinations of pressure/temperature. Corrosion/erosion allowances specified within Maximum stresses and peak stress concentrations specification where nature of fluid gives rise to this mechanism on the particular material. must be within safe limits.


Site specific piping specifications Piping Stress reports Pipe Design/Specification Documents P&IDs Piping Isometrics Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of The calculation of the pressure containment must utilise Critical lines are identified and stress analysis Conformity for procured equipment values appropriate to the material properties, based on conducted and lines ed as required documented data and having appropriate safety factors. For the design of procured equipment i.e. pressure vessels or valves, PSN specify codes Appropriate t factors must be applied. and standards to be used and the supplier is The design must take of all foreseeable responsible for working to these standards and degradation mechanisms and highlighted in the supplying documentation as required to confirm the equipment meets these standards. operating instructions. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

This Document Detail Design Safety Engineering Screening Process Hazard Identification Studies Risk Assessment Risk Assessment Criteria Technical Document Control Instructions to Suppliers / Fabricators - Drawing & Data Requirements

Refer to Design Conformity Assessment Checklist Procured items checked for CE marking to indicate compliance. Supplier issued Declarations of Conformity submitted to PSN for retention or held by Supplier.

Page 21 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 2.2.3 (c) Stability Aspects Adequate precautions must be made to the equipment Pipe s subject to design process for all to ensure structural stability including transportation and identified loading. handling Where transportation and handling of the equipment is identified as critical to the integrity of the equipment specific fastening and handling procedures and facilities are defined. For the design of procured equipment i.e. pressure vessels or valves, PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity The PSN structural department interface with vendors etc to ensure that equipment locations/foundations/ s etc are suitable for the equipment under all identified loadings.


Procedure Reference

Comment

Site specific piping specifications Piping Stress reports Pipe Design /Specification Documents Structural design books Equipment specific installation / handling plans P&IDs Piping Isometrics Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment

This Document Checking and Approval of Design Calculations Studies Detail Design Checking and Approval of Design Documents Instructions to Suppliers / Fabricators - Drawing & Data Requirements

Refer to Design Conformity Assessment Checklist

Page 22 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.2.4 Experimental design method. The design of the pressure equipment maybe validated, in all or part by an appropriate test programme being carried out on a representative sample.


Not generally utilised If special items designed by PSN then sufficient analysis, tests etc will be carried out to validate equipment design. The test programme must be clearly defined prior to Compliance with the requirements of these testing and the test programme must include a pressure regulations is requested when procuring strength test to check that equipment does not exhibit equipment designed by others and QA leaks or deformation exceeding a determined threshold. procedures ensure that evidence is available to the items conformity If necessary, appropriate tests if creep or fatigue exists. Where necessary, additional tests concerning other factors, i.e. corrosion, external damage etc.


Procedure Reference

Site specific piping As 2.2.3 Above specifications Special item data sheets/test records P&IDs Piping Isometrics Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment

Comment Refer to Design Conformity Assessment Checklist

Page 23 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.3 Provisions to ensure safe handling and operation. The method of operation specified must be such as to prevent any reasonable foreseeable risk in operation of the pressure equipment.



Closures, openings, ts, entry ways etc Site specific piping designed in accordance with specifications, specifications P&IDs codes and standards. Piping Isometrics Order Pressure relief routed fully within containment Purchase Particular attention to the following: envelope and disposed of through common relief requirements closures and openings. Component Data Sheets routes. dangerous discharge of pressure relief blow off. Specification documents devices to prevent physical access into the equipment Document If above not possible, Orientated so that open Supplier whilst pressure or a vacuum exists. discharges are directed away from areas likely to Requirement Lists surface temperature. Manufacturers be inhabited by personnel. decomposition of unstable fluids. Certification of Furthermore, quick release access doors must be Where there is a potential for physical access Declarations equipped with devices to prevent hazards from the fluid into equipment whilst pressure or vacuum exists Conformity for procured suitable interlock arrangements are fitted to equipment pressure or temperature prevent this. Where hazards exist due to surface temperature suitable personal protective measures will be utilised i.e. cages, lagging etc. For the design of procured equipment i.e. pressure vessels or valves, PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

This Document Safety Engineering Screening Process Problem Investigation Hazard Identification Studies Instructions to Suppliers / Fabricators - Drawing & Data Requirements


Page 24 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.4 Means of Examination. Pressure equipment must be designed and constructed in such a way as to ensure: that all necessary examinations to ensure safety can be carried out. the ability to determine the internal condition of the pressure equipment where necessary for ensuring continued safety of equipment. the application of alternative methods to ensure the safe condition of the pressure equipment.



Pipework designed in accordance with specifications that address requirements for known failure modes and allow for inspection points where necessary.

Site specific piping As 2.3 Above specifications P&IDs Piping Isometrics Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment

For the design of procured equipment i.e. pressure vessels or valves, PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

Page 25 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.5 Means of draining and venting. Adequate means must be provided for the draining and venting of pressure equipment where necessary to prevent water hammer, vacuum collapse, corrosion and chemical reactions etc. To permit cleaning, inspection and maintenance.



Procedure Reference

Pipework designed such as to allow for draining Site specific piping As 2.3 Above specifications and venting and to eliminate dead legs etc. P&IDs Orientation and slopes etc specified to prevent Piping Isometrics Clients isolations accumulations of fluids over extended periods. philosophy documents Order Systems designed in accordance with clients Purchase requirements Isolations philosophy. Component Data Sheets For the design of procured equipment i.e. Specification documents Document pressure vessels or valves, PSN specify codes Supplier and standards to be used and the supplier is Requirement Lists responsible for working to these standards and Manufacturers supplying documentation as required to confirm Certification Declarations of the equipment meets these standards. Conformity for procured Compliance with the requirements of these equipment regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity


Page 26 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 2.6 Corrosion or Other Chemical Attack Adequate allowance or protection against corrosion or Specifications and codes specify corrosion other chemical attack must be provided. allowance or linings where corrosion or other chemical attack is identified as a failure mechanism in the particular service. For the design of procured equipment i.e. pressure vessels or valves, PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity 2.7 Wear Adequate measures must be taken against the effects As 2.6 above of erosion and abrasion: in the design, i.e. cladding, linings etc. by permitting fitment of replacement parts. Measures necessary for safe use referenced in the operating instructions


Procedure Reference

Comment

Site specific piping As 2.3 Above specifications P&IDs Piping Isometrics Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment


As 2.6 above

As 2.6 above

As 2.6 above

Page 27 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.8 Assemblies Assemblies must be designed that: the components are suitable and reliable for their duty. the components are properly integrated and assembled.



Component parts designed in accordance with Construction Workpacks Commissioning requirements of Sections 2.1 to 2.7. procedures Assemblies integrated at site in accordance with Certification data books documented installation and commissioning procedures. Certification and test records produced to record aspects of integration process where identified as required.

Procedure Reference Construction Workpacks Development, Implementation & Closeout On-site Pipework Fabrication & Installation Specialist Activities Preparation & Approval of Method Statements Mechanical Completion & Records Completion Checklists Punchlisting & Punchlist Close-out Commissioning Work Manual Completion & Commissioning System completion, Handover and Acceptance Certification, As-building and Close-out

Comment

Page 28 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.9 Provisions for Filling and Discharge Where applicable, the pressure equipment must be designed and provided with accessories, or provision made for their fitting, to ensure safe filling or discharge: • on filling; by over filling or over-pressurisation and fluid instability. • on discharge; by uncontrolled release of fluid. • on filling or discharge; unsafe connection or disconnection



Equipment and pressure systems designed such P&IDs isolations that level and pressure control and relief is Clients philosophy documents provided where required. Purchase Order Suitable isolation arrangements are provided requirements where there is an identified hazard due to filling Component Data Sheets Specification documents and discharge. Supplier Document For the design of procured equipment i.e. Requirement Lists pressure vessels or valves, PSN specify codes Manufacturers and standards to be used and the supplier is Certification of responsible for working to these standards and Declarations supplying documentation as required to confirm Conformity for procured equipment the equipment meets these standards.

Procedure Reference

Comment

This Document Isolation Requests External Design Interface Controls Instructions to Suppliers / Fabricators - Drawing & Data Requirements


This Document Client Pressure Relief Philosophy/Guidance


Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity 2.10 Protection Against Exceeding the Allowable Limits of Pressure Equipment Where, under reasonably foreseeable conditions the allowable limits could be exceeded the pressure equipment must be fitted with, or appropriate provision made for, the fitting of suitable safety devices which are determined on the characteristics of the equipment

Where overpressure is identified as a hazard the P&IDs equipment/system is fitted with overpressure Component data Sheets protection such that the set points and relief Relief Calculations capacity ensure that the maximum allowable pressure is not exceeded. Relief designed in accordance with API 520/521.

Page 29 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.11 Safety Accessories 2.11.1 Safety Accessories Safety Accessories must: be designed and constructed to be reliable and suitable for their intended duty, including maintenance and testing. be independent or unaffected by other functions. comply with appropriate design principles in order to obtain suitable and reliable protection.



Procedure Reference

This Document P&IDs Client Pressure Relief SIL Assessments Purchase Order Philosophy/Guidance requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured Where such requirements exist (i.e. instrument equipment based protective systems) they are assessed for Safety Integrity Level requirements and reliability.

Where safety accessories are provided to protect pressure equipment against allowable limits being exceeded they will be designed, specified and installed such that: they are specified according to their duty and service and are tested/calibrated during commissioning. they are independent of other control functions and isolation can be managed they comply with recognised codes and standards for such equipment

For the design of procured equipment e.g. safety valves, PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment designed by others and QA procedures ensure that evidence is available to the items conformity


Page 30 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 2.11.2 Pressure Limiting Devices These devices must be designed so that pressure will not permanently exceed the maximum allowable design pressure except for short pressure surges of 1.1 times the design pressure.



Pressure relief set point and capacity is sized P&IDs such that the maximum allowable working Component data Sheets Relief Calculations pressure of the system is not exceeded.

Procedure Reference

Comment

Refer to Design This Document Client Pressure Relief Conformity Assessment Philosophy/Guidance Checklist

Relief designed in accordance with API 520/521 In cases where this is not feasible, the system is assessed to ensure that excursions outwith the design pressure does not exceed those allowed under code for short periods. 2.11.3 Temperature Monitoring Devices These devices must have an adequate response time Temperature monitoring devices are specified in P&IDs accordance with accepted codes and standards Component data Sheets on safety grounds. for such equipment 2.12 External Fire Where appropriate, the pressure equipment must be Where external fire scenario is identified as a fitted with, or appropriate provision made for, the fitting potential hazard suitable mitigation will be of suitable equipment/devices to meet damage- provided. limitation requirements in the event of an external fire

Safety Studies P&IDs Component data Sheets PFP Specification

This Document


This Document Hazard Identification Studies


Page 31 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 3. Manufacturing 3.1 Manufacturing Procedures The manufacturer must ensure the competent execution of the provisions set out at the design stage by applying appropriate techniques and relevant procedures.



Procedure Reference

Comment

Pressure equipment manufactured by PSN (i.e. Permanent ing carried out on site) is manufactured in accordance with documented PSN procedures

Construction certification (Material certification, Weld history, NDE reports, test reports etc) Piping Isometrics Fabricators certification dossiers Material Certificates Equipment Inspection Release Notes Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment Audit Schedule Audit Reports

Preparation of BOD and SOR Checking and Approval of Design Calculations Supplier Document Control Specialist Activities Onsite Pipework Fabrication and Installation Management System Audits

Refer to On Site Conformity Assessment Checklist

As 3.1 above

As 3.1 above

As 3.1 above

For pressure equipment manufactured for/on behalf of PSN by others PSN employ suitable levels of QA/QC to ensure that the equipment is manufactured in accordance with appropriate techniques and procedures. For the manufacture of procured equipment i.e. pressure vessels or valves, PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment manufactured by others and QA procedures ensure that evidence is available to the items conformity 3.1.1 Preparation of the Component Parts Preparation of the component parts must not give rise As 3.1 above to defects or cracks or changes in mechanical characteristics likely to be detrimental to the safety of the pressure equipment.

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ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 3.1.2 Permanent ing Permanent ts and adjacent zones must be free of As 3.1 above any surface or internal defects detrimental to the safety of the equipment.


Procedure Reference

Comment

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

As 3.1 above

Properties to meet the minimum specified for the materials to be ed or taken into in the design calculations. Permanent ing of components to be carried out by suitably qualified personnel according to suitable operating procedures. For pressure equipment in Categories II, III and IV , the operating procedures and personnel must be approved by a Recognised Third Party/Notified Body 3.1.3 Non-Destructive Tests For pressure equipment, non-destructive tests of As 3.1 above permanent ts must be carried out by suitably qualified personnel. for Category III and IV equipment, the personnel must be approved by a Recognised Third Party. 3.1.4 Heat Treatment Where applicable, suitable heat treatment must be As 3.1 above applied at the appropriate stage of manufacture. 3.1.5 Traceability Suitable procedures must be established and As 3.1 above maintained for identifying the materials making up the components of the equipment which form the pressure containment boundary

Page 33 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 3.2 Final Assessment Pressure equipment must be subjected to a final assessment as described below. 3.2.1 Final Inspection Pressure equipment must undergo a final inspection to assess visually and by examination of accompanying documentation, compliance with the requirements of the Directive



Procedure Reference

Comment

Final inspection of pressure equipment is carried out in accordance with documented procedures.

Construction certification Piping Isometrics Fabricators certification dossiers Material Certificates Equipment Inspection Release Notes Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment Audit Schedule Audit Reports

Preparation of BOD and SOR Checking and Approval of Design Calculations Supplier Document Control Specialist Activities Onsite Pipework Fabrication and Installation Management System Audits


The control of final inspection activities is managed in accordance with PSN QA/QC requirements. For the manufacture of procured equipment i.e. pressure vessels or valves, specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment manufactured by others and QA procedures ensure that evidence is available to the items conformity

Page 34 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 3.2.2 Proof Test Final assessment of the pressure equipment must include a test for the pressure containment aspect, normally a hydrostatic pressure test to the requirements given in 7.4.



records/ All pressure equipment is subject to a proof Hydrotest pressure test in accordance with the applicable waivers Construction certification specification or code. Piping Isometrics Where this is not practical then concessions and Fabricators certification Where the hydrostatic test is harmful or impracticable, waivers to this testing requirement are managed dossiers Inspection alternative tests of a recognised value maybe carried in accordance with PSN procedures and Equipment Release Notes approved by the relevant technical authority. out Purchase Order The control of pressure testing activities is requirements managed in accordance with PSN QA/QC Component Data Sheets Specification documents requirements. Supplier Document For the manufacture of procured equipment i.e. Requirement Lists pressure vessels or valves, PSN specify codes Manufacturers and standards to be used and the supplier is Certification of responsible for working to these standards and Declarations supplying documentation as required to confirm Conformity for procured equipment the equipment meets these standards. Audit Schedule Compliance with the requirements of these Audit Reports regulations is requested when procuring equipment manufactured by others and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

Onsite Pipework Fabrication and Erection Specialist Activities Mechanical Completion & Records Punchlisting & Punchlist Close-out Instructions to Suppliers / Fabricators - Drawing & Data Requirements Vendor Evaluation & Management Management system Audits Certification, As-building and Close-out Supplier Document Control


Page 35 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 3.2.3 Inspection of Safety Devices For assemblies, the final assessment must include a check on the safety devices intended to check full compliance with the requirements referenced in 2.10.



All safety devices fitted to assemblies are subject Commissioning to the following during procedures Certification & test integration/commissioning. records Documentary evidence of suitable calibration is Component Data Sheets required for devices such as pressure safety Specification documents Supplier Document valves and bursting discs. Requirement Lists Safety devices with an external control function Manufacturers (pressure switches etc) are suitably tested and Certification Declarations of calibrated during commissioning. Conformity for procured Certification ing both of the above is equipment compiled within certification packages for the equipment. For the manufacture of procured PSN specify codes and standards to be used and the supplier is responsible for working to these standards and supplying documentation as required to confirm the equipment meets these standards. Compliance with the requirements of these regulations is requested when procuring equipment manufactured by others and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

Completion Checklists Completion & Commissioning Instructions to Suppliers / Fabricators - Drawing & Data Requirements Vendor Evaluation & Management Management System Audits Certification, As-building and Close-out Supplier Document Control


Page 36 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 3.3 Marking and Labelling In addition to the CE marking, the following must also be provided 3.3 (a) For all Pressure Vessels: the name and address or other means of identification of the manufacturer. the year of manufacture. identification of the pressure equipment according to its nature. essential maximum/minimum allowable limits.

3.3 (b) Depending on the Type of Pressure Equipment the volume V of the pressure equipment in L (Litres). the nominal size for piping DN. the test pressure PT applied in bar and date. safety device set pressure in bar. output of the pressure equipment in kW. supply voltage in V (Volts). intended use. Filling ratio in kg/L. maximum filling mass in kg. tare mass in kg. the product group



Pressure vessels are specified to bear nameplates in accordance with applicable design code, plus any other information considered necessary. Compliance with the requirements of these regulations is requested when procuring equipment manufactured by others and QA procedures ensure that evidence is available to the items conformity

Component Data Sheets This Document Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment


This Document


Where required, depending upon type of Marking/Labelling pressure equipment, the required information is applied to equipment provided where practical to do so. If not practical to apply all information direct to equipment, markings shall indicate where this information can be found. Compliance with the requirements of these regulations is requested when procuring equipment manufactured by others and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

Page 37 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 3.3 (c) Any further information necessary for safe installations, operation or use, maintenance or inspection should also be provided, and any warnings against misuse must be fixed to the equipment.

3.4 Operating Instructions 3.4 (a) All items of pressure equipment when placed on the market must be accompanied with instructions for the , containing all the necessary safety information relating to: equipment mounting, including assembling of different pieces of the pressure equipment. putting into service. use. maintenance, including checks by the .



Procedure Reference

This Document When handing over a system to the client all As built P&IDs information considered necessary under these Layout drawings O&M Manuals regulations and client requirements is supplied. Operating guides and/or procedures Updates to Maintenance management system

Pressure equipment is provided with instruction As built P&IDs Layout drawings as follows O&M Manuals Procured equipment is supplied with all Operating guides and/or operating and maintenance manuals considered procedures necessary for safe installation, commissioning, Updates to Maintenance management system operation and maintenance. Systems integrated into assemblies offshore are ed by operating guides where it is considered that the O&M manuals for component parts require to be supplemented by procedures for the system.

3.4 (b) The instructions must cover all the information attached on the pressure equipment in accordance with As 3.4(a) above 3.3. 3.4(c) If appropriate, these instructions must also refer to hazards arising from misuse As 3.4(a) above

Comment Refer to Close Out Assessment Checklist

Refer to Close This Document Out Assessment As-built Documentation As-building, Certification Checklist and Close-out Maintenance and Inspection Strategy Development Client Specific Certification/ Documentation procedures

As 3.4(a) above

As 3.4(a) above

As 3.4(a) above

As 3.4(a) above

As 3.4(a) above

As 3.4(a) above

Page 38 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 4. Materials Materials used for the manufacture of pressure equipment must be suitable for the required application during the scheduled lifetime unless replacement is expected.



PSN design all pressure systems in accordance Site specific piping with clients piping specifications, national and specifications P&IDs international codes and standards. Piping Isometrics Specifications are developed from first principle PMAs Order calculation methods based upon the Purchase requirements of ANSI B31.3 for a range of requirements pressure & temperature design conditions. Component Data Sheets Allowable stresses used in calculations taken Specification documents Document from allowables within codes or published Supplier National Standards for material type/grade being Requirement Lists Manufacturers considered. Certification of Materials specified for pressurised parts are Declarations deemed suitable for the design pressures, Conformity for procured temperatures and fluid service that the equipment equipment will be subjected to through its lifecycle, having due regard to the manufacturing process and upset conditions the plant may be exposed to during its life, including exposure to low temperatures. Where applicable materials used are the subject of a valid Particular Material Appraisal Procured equipment is specified to comply with the requirements of these regulations and QA procedures ensure that evidence is available to the items conformity

Procedure Reference

Comment

This Document Supplier Document Control Instructions to Suppliers / Fabricators - Drawing & Data Requirements


Page 39 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 4.1 Materials for Pressurised Parts 4.1 (a) They must have appropriate properties for all the operating and test conditions and should be sufficiently As 4.0 Above ductile and tough (reference should be made to 7.5). The effect of brittle fracture should also be considered if applicable.


Procedure Reference

Comment

As 4.0 Above

As 4.0 Above

As 4.0 Above

4.1 (b) They must be chemically resistant to the fluid contained in the pressure equipment. As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

4.1 (c) They must not be significantly affected by ageing. As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

4.1 (d) They must be suitable for the intended processing procedures. As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

4.1 (e) They must be selected to reduce undesirable effects from the ing process. As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

As 4.0 Above

4.2 (a) The manufacturer must define in an appropriate manner the values necessary for the design calculations (referred to in 2.2.3) and the essential characteristics of the materials and their treatment (referred to in 4.1) 4.2 (b) The manufacturer must provide technical documentation relating to compliance with material specifications of the Directive in one of the following forms: materials comply with harmonised standards. materials covered by European approval of pressure equipment materials. particular material appraisal.

As 4.0 Above

This Document Materials utilised by PSN for pressure equipment Material Certification Particular Material comply with one of the provisions of 4.2(b) Appraisal Documentation Procured equipment is specified to comply with the requirements of these regulations and QA procedures ensure that evidence is available to the items conformity


Page 40 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 4.2 (c) For Category III and IV equipment, the particular material appraisal must be carried out by the Notified PSN procedural arrangements cater for this. Body in charge of the conformity assessment.

4.3 The manufacturer must take appropriate measures to ensure that the material conforms with the required specification and the documentation prepared by a material manufacturer confirms compliance with a specification. For main pressure parts in Categories II, III and IV this must take the form of a certificate of specific product control

Manufacturers manufacturing pressure equipment for and on behalf of PSN employ suitable quality systems to ensure material conforms with the required specification. Material certificates are retained by the suppliers to confirm that material conforms to specification. The control of material conformity to specification is managed in accordance with PSN QA/QC requirements Procured equipment is specified to comply with the requirements of these regulations and QA procedures ensure that evidence is available to the items conformity


Procedure Reference

Particular Material This Document Appraisal Documentation

Site specific piping specifications P&IDs Piping Isometrics PMAs Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment

This Document Detail Design Certification, As-building and Close-out Instructions to Suppliers / Fabricators - Drawing & Data Requirements

Comment Refer to Design Conformity Assessment Checklist Refer to Design Conformity Assessment Checklist

Page 41 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement SPECIFIC PRESSURE EQUIPMENT REQUIREMENTS In addition to the applicable requirements of the above Sections 1 to 4, the following requirements apply to the pressure equipment covered by Section’s 5 and 6.


Procedure Reference

Comment

This Document Instructions to Suppliers / Fabricators - Drawing & Data Requirements Certification, As-building and Close-out EXE-401


5 Fired or Otherwise Heated Pressure Equipment with a Risk of Overheating This pressure equipment includes: steam and hot water generators. process-heating vessels other than steam or hot water generation. This pressure equipment must be calculated, designed and constructed so as to minimise the risk of loss of containment due to overheating. a) Appropriate means of protection must be provided to restrict operating parameters in order to avoid risk of local and general overheating. b) Sampling points must be provided for the evaluation of properties of the fluid so as to avoid risks from deposits and/or corrosion. c) Adequate provisions must be made to eliminate the risk of damage from deposits. d) Means must be provided for the safe removal of residual heat after shutdown. e) Steps must be taken to avoid the dangerous accumulation of combustible substances and air, or flame blowback

Site specific piping specifications P&IDs Purchase Order requirements Procured equipment is specified to comply with Component Data Sheets the requirements of these regulations and QA Specification documents Document procedures ensure that evidence is available to Supplier Requirement Lists the items conformity Manufacturers Certification Declarations of Conformity for procured equipment Where there is an identified risk of overheating suitable protective measures in the form of thermal trips and cut outs or thermal relief will be provided.

Page 42 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 6. Piping The design and construction must ensure: a) the risk of overstressing from inissible free movement or excessive forces being produced is adequately controlled. b) where there is a possibility of condensation occurring inside pipes for gaseous fluids there are means provided for drainage and the removal of deposits from low areas. c) due consideration is given to the potential damage from turbulence and the formation of vortices. d) due consideration is given to the risk of fatigue due to pipe vibration. e) that, where fluids of Group 1 are contained in the piping, appropriate means are provide to isolate ‘takeoff’ pipes. f) the risk of inadvertent discharge is minimised. g) the position and route of underground piping is at least recorded in the technical documentation.



Procedure Reference

Comment

ing arrangements for pipework is provided such that piping systems and associated valves etc are not subject to overstressing from excessive movement or loading.

Site specific piping specifications Piping Stress reports Pipe Design/Specification Documents P&IDs Piping Isometrics Purchase Order requirements Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment

This Document Detail Design Instructions to Suppliers / Fabricators - Drawing & Data Requirements Certification, As-building and Close-out EXE-401


Low point drains and slopes are incorporated into the system design where required. Dead legs are eliminated where possible or alternative means of drainage provided. Piping systems are assessed for damage due to excessive flow rates etc. Fatigue and LOF of main lines and small bore branches are assessed in accordance with procedure and eliminated where practical or suitable mitigation measures put in place where elimination not practical (clamps etc) Isolation facilities are incorporated in accordance with client isolation requirements and accepted good practice. The risk of inadvertent discharge is eliminated where possible.

Procured items checked for CE marking to indicate compliance. Supplier issued Declarations of Conformity submitted to PSN for retention or held by Supplier, which can be sourced when required.

Page 43 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement Compliance Statement 7. Specific Quantitative Requirements for Certain Pressure Equipment The following provisions apply as a general rule only. If however they are not fully applied, the manufacturer must demonstrate that appropriate measures have been taken to achieve an equivalent overall level of safety. The subsequent provisions listed in this section supplement the requirements of Section’s 1-6 for the pressure equipment to which they apply 7.1 Allowable Stresses 7.1.1 Symbols: Re/t - Yield limit at the design temperature of: the upper flow limit for a material presenting upper and lower flow limits. The 1.0% proof strength of austenitic steel and non alloyed aluminium. the 0.2% proof strength in all other cases. Rm/20 - Tensile strength at 20°C Rm/t - Tensile strength at the design temperature.


Procedure Reference

Comment

Page 44 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 7.1.2 The maximum permissible general membrane stress for static pressure loading, for equipment being operated outside the temperature range where creep is significant must not exceed the lowest value below: Ferritic steels (including normalised (normalised rolled) steel and excluding fine grained steel and specially heat-treated steel), 2/3 Re/t or 5/12 Rm/20. Austenitic steels: if its elongation after rupture exceeds 30%, 2/3 Re/t. if its elongation after rupture exceeds 35%, 5/6 Re/t or 1/3 Rm/t. Non alloy or low cast steel, 10/19 Re/t or 1/3 Rm/20. Aluminium, 2/3 Re/t. Aluminium alloys (excluding precipitation hardening alloys), 2/3 Re/t or 5/12 Rm/20 7.2 t Coefficients For welded ts, the t coefficient must not exceed the following: for equipment subject to destructive and nondestructive tests which confirm that the whole series of ts show no significant defects: 1.00. for equipment subject to random non-destructive testing: 0.85. for equipment not subject to non-destructive testing other than visual inspection: 0.70. 7.3 Pressure Limiting Devices The momentary pressure surge (referred to in 2.11.2) to be kept to 10% of the design pressure.



Procedure Reference

Allowable stresses are ed for in the calculations used to derive piping specifications. Procured equipment is specified to comply with the requirements of these regulations and QA procedures ensure that evidence is available to the items conformity

This Document Checking and Approval of Design Calculations Instructions to Suppliers / Fabricators - Drawing & Data Requirements

Welded ts are carried out to weld procedures which have been qualified in accordance with code requirements to confirm that they meet, as a minimum, the properties of the parent material.

Weld procedure qualification records Weld history sheets NDE Procedures NDE reports including NDE is carried out to a coverage specified within radiographs the applicable specifications.

This Document Specialist Activities Appropriate Subcontractor NDE procedures

As 2.11.2

This Document

Comment

Page 45 of 55

ATTACHMENT 03 Essential Safety Requirements Compliance Matrix Essential Requirement 7.4 Hydrostatic Test Pressure The hydrostatic test pressure (referred to in 3.2.2) must not be less than: the maximum loading to which the pressure equipment may be subject in service, taking its maximum allowable pressure and temperature, multiplied by the coefficient 1.25, or the maximum allowable pressure multiplied by the coefficient 1.43, whichever the greater.

7.5 Material Characteristics A steel is considered to be ductile if its elongation after rupture is not less than 14%, and its impact strength measured on a standard ISO ‘V’ test-piece at 20°C, or the lowest scheduled operating temperature is greater than 27J.



Procedure Reference

Comment

This Document Onsite Pipework Fabrication and Erection Specialist Activities Supplier Instructions to Suppliers / Fabricators Drawing & Data Requirements Management System Audits


This Document Material characteristics are ed for in the Material Certification Material Certification, As-building calculations used to derive piping specifications. Particular Materials specified for pressure equipment Appraisal Documentation and Close-out conform to the requirements of 4.2(b) Procured equipment is specified to comply with the requirements of these regulations and QA procedures ensure that evidence is available to the items conformity


Hydrotest records Construction certification Piping Isometrics Fabricators certification dossiers Inspection Procured equipment is specified to comply with Equipment the requirements of these regulations and QA Release Notes Order procedures ensure that evidence is available to Purchase requirements the items conformity Component Data Sheets Specification documents Supplier Document Requirement Lists Manufacturers Certification Declarations of Conformity for procured equipment Audit Schedule Audit Reports Hydrostatic testing is carried out to the applicable piping specification and is generally 1.5 times the maximum design pressure of the system.

Page 46 of 55

ATTACHMENT 04 The Pressure Equipment Regulations 1999 (SI 1999/2001) Design Conformity Assessment Checklist (Piping) Client: Contract No.: Site/Installation: Job No.: Job Title: Workpack /Jobcard No Requirement Comment √ Yes √ No √ N/A Is the pressure system designed in accordance with verified piping specifications For procured equipment (Valves, instruments etc) has compliance with PED & CE Marking been specified Are the materials of construction subject of one of the following: Harmonised European Standard European Approval of Material Particular Material Appraisal Where applicable has a corrosion/erosion allowance been specified Have critical lines been identified and stress analysis completed where required Are all vibration susceptible lines adequately braced Is the system suitably ed for all identified loadings Has the required level of NDE been specified on the fabrication drawings Is there any special transportation/handling arrangements identified for the equipment, if yes have they been implemented Within the system is there any special items not covered by existing piping specification. If yes has the design been suitably validated in accordance with PED requirements. Are any closures, openings, ts etc in accordance with specifications and/or codes Are pressure relief lines routed to a closed system or orientated so as to not present a hazard to personnel Is system designed to take of draining and venting requirements and isolations provided as per P&ID Are slopes etc designed as specified Are dead legs eliminated where practical Has pressure relief facilities been provided as specified on P&ID Has pressure, temperature & level control been provided as per P&ID Have all required safety assessments been carried out Has PFP/Thermal relief been provided as per specified requirements For heated pressure equipment is thermal relief specified and provided If ‘No’ is checked on any question this may signify a non-conformance with the Pressure Equipment Regulations and this should be referred to the PSN PED Technical Authority Endorsement Name: Sign: Position: Date:

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ATTACHMENT 05 The Pressure Equipment Regulations 1999 (SI 1999/2001) Design Conformity Assessment Checklist (Mechanical) Client: Contract Ref: Site/Installation: Job No.: Job Title: Workpack /Jobcard No Requirement Comment √ Yes √ No √ N/A Is all the equipment designed in accordance with codes, standards and clients approved specifications For procured equipment (Pressure vessels, pumps etc) has compliance with PED & CE Marking been specified Is there any special transportation/handling arrangements identified for the equipment, if yes have they been implemented Is the equipment suitably sized and ed for all identified loadings Where PSN is responsible for equipment design confirm the following: Are the materials of construction subject of one of the following: Harmonised European Standard European Approval of Material Particular Material Appraisal Where applicable has a corrosion/erosion allowance been specified Have all requirements for stress analysis been identified and analysis carried out. Has the required level of NDE been specified on the fabrication drawings Are any closures, openings, ts etc in accordance with specifications and/or codes Are pressure relief lines routed to a closed system or orientated so as to not present a hazard to personnel Are adequate arrangements for isolation, draining and venting provided Has adequate pressure, temperature & level control been provided. Has PFP/Thermal relief been provided as per specified requirements For heated pressure equipment is thermal relief specified and provided If ‘No’ is checked on any question this may signify a non-conformance with the Pressure Equipment Regulations and this should be referred to the PSN PED Technical Authority Endorsement Name: Sign: Position:

Date:

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ATTACHMENT 06 The Pressure Equipment Regulations 1999 (SI 1999/2001) Design Conformity Assessment Checklist (Instruments) Client: Contract Ref: Site/Installation: Job No.: Job Title: Workpack /Jobcard No Requirement Comment √ Yes √ No √ N/A Are the pressure containing instrument arrangements, including materials of construction, designed in accordance with codes, standards and clients approved specifications For procured equipment (Valves, instruments etc) has compliance with PED & CE Marking been specified Is the Nominal size (DN) of pressure containing tubing 25 or less Is the instrument installation arrangement suitably ed to withstand all credible loading Are suitable arrangements in place to enable isolation of instruments for testing/maintenance purposes. Are all components that could present a hazard due to high or very low temperature suitably specified to be insulated or otherwise protected. If ‘No’ is checked on any question this may signify a non-conformance with the Pressure Equipment Regulations and this should be referred to the PSN PED Technical Authority Endorsement Name: Sign: Position: Date:

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ATTACHMENT 07 TECHNICAL DOCUMENTATION FOR EACH MODULE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

MODULE A A1 * * * * * * * * * * * *

TECHNICAL DOCUMENTATION NAME AND ADDRESS OF MANUFACTURER NAME AND ADDRESS OF MANUFACTURERS REPRESENTATIVE IDENTIFICATION AND GENERAL DESCRIPTION OF PRESSURE EQUIPMENT STANDARDS APPLIED TO DEMONSTRATE COMPLIANCE WITH THE DIRECTIVE RELEVANT DESIGN AND MANUFACTURING DRAWINGS DESCRIPTIONS AND EXPLANATIONS REQUIRED TO UNDERSTAND DRAWINGS ING EVIDENCE FOR THE ADEQUACY OF THE DESIGN SOLUTION MANUFACTURERS CALCULATIONS * TECHNICAL REPORTS/CERTIFICATES FROM COMPETENT BODIES TO DEMONSTRATE * THAT THE EQUIPMENT CONFORMS WITH THE STANDARDS INFORMATION REGARDING MANUFACTURING TEST, IF APPLICABLE INFORMATION ON MANUFACTURERS PROCEDURES FOR THE PREPARATION OF * COMPONENT PARTS EG FORMING, CHAMFERING ETC DETAILS OF QUALIFICATIONS/APPROVALS OF WELDERS DETAILS OF QUALIFICATIONS/APPROVALS OF WELDING PROCEDURES DETAILS OF QUALIFICATIONS/APPROVALS OF NDE OPERATORS

18 19

NDE TEST REPORTS, IF APPLICABLE * DESTRUCTIVE TEST REPORTS, IF APPLICABLE * INFORMATION RELATING TO THE APPROVALS OF THE MANUFACTURING AND TESTING PROCEDURES DOCUMENTATION CONCERNING THE QUALITY SYSTEM, IF APPLICABLE ANY ADDITIONAL EC CERTIFICATION (RELATING TO ALL APPLICABLE DIRECTIVES) *

20

RELEVANT INFORMATION ON THE PRESSURE EQUIPMENT OR ASSEMBLY

21

TECHNICAL DESIGN SPECIFICATION

* *

* *

B1 * * * * * * * * *

*

* *

*

* * *

* * *

* *

*

B * * * * * *

C1

D

* * *

*

D1 * * * * * *

E

* *

* *

* *

* *

H1 * * * * * * * * *

*

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*

* *

* *

* * *

* * *

* * *

* * *

* * *

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*

* *

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E1 * * * * * *

F

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ATTACHMENT 08 The Pressure Equipment Regulations 1999 (SI 1999/2001) On Site Conformity Assessment Checklist Client: Contract No.: Site/Installation: Job No.: Job Title: Workpack/Jobcard No Requirement √ Yes √ No Have fabricated items of pressure equipment (i.e. Pipe Spools) been supplied on site with documentation to their manufacture (Release note, fabricator Letter of conformity etc) Have all punchlist items from fabricators been completed Do all procured items (pressure vessels, valves etc) bear the CE mark. Have all welding operations on pressure containing equipment been carried out by suitably qualified welders working to approved procedures Has the required level of NDE been carried out and are all results within code requirements Has any heat treatment been carried out in accordance with the specification Has all required hydrotesting and leak testing been satisfactorily completed. Have all safety devices (PSVs, Bursting discs, pressure/temperature/level protection loops etc) been fitted as per workpack and are they the subject of a valid calibration certificate. Has the subject system been inspected and tested in accordance with workpack requirements and is all certification ing the workscope complete. Have all operating instructions, guides and manuals been provided for the s of the equipment Have all key documents (P&IDs etc) been redlined as built and supplied to operations pending back drafting of masters Has the CE labelling been applied to the system?

√ N/A

Comment

If ‘No’ is checked on any question this may signify a non-conformance with the Pressure Equipment Regulations and this should be referred to the PSN PED Technical Authority Endorsement Name: Sign: Position: Date:

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ATTACHMENT 09 CE NAMEPLATE DETAIL:

Stainless Steel Gr. 316 Nameplate, 1.5mmm thk. with black engraved lettering. Alternative label types are acceptable providing the label is easily legible and indelible. Label to be permanently attached to pressure equipment or assembly in an easily visible location. The CE nameplate must not be affixed to ‘SEP’ equipment.

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ATTACHMENT 10

DECLARATION OF CONFORMITY (PRESSURE EQUIPMENT DIRECTIVE 97/23/EC) We hereby certify that the pressure equipment stipulated below complies with all the relevant provisions of the Pressure Equipment Directive and the National Laws and Regulations adopting this Directive. Manufacturer Name:

Production Services Network (PSN)

Manufacturer Address:

Wellheads Place Wellheads Industrial Estate Dyce Aberdeen Scotland AB21 7GB

EC COC ref Number

COV0612506/2

Description of Equipment or Assembly: Location / Site: PSN Contract Reference: PSN Job Reference: PSN Workpack / Jobcard No.: This Declaration of Conformity applies to the pressure equipment / assembly within the system limits specified in the above documents PED Category: Conformity Procedure Used: Notified Body ( for Quality System)

Lloyds Verification Ltd 0038 71 Fenchurch Street, London, EC3M 4BS.

EC Design-Examination Certificate reference: (where applicable) Technical Standards & Specifications Applied: Other Community Directives Applied: For PSN Production Services Signed: Name(Print): Position (Print): Date:

For Notified Body (when applicable)

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ATTACHMENT 11 The Pressure Equipment Regulations 1999 (SI 1999/2001) Close Out Assessment Checklist Client: Contract Ref: Site/Installation: Job No.: Job Title: Workpack/Jobcard No. Requirement Comment √ Yes √ No √ N/A Has all as-building of master documents been completed Has the on site assessment checklist been completed and retained Has the DOC been completed and retained Has all the required information, documentation etc been submitted to client e.g. Operating Manual Maintenance Information COSHH information Maintenance Management System update if applicable If ‘No’ is checked on any question this may signify a non-conformance with the Pressure Equipment Regulations and this should be referred to the PSN PED Technical Authority Endorsement Name: Sign: Position: Date:

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ATTACHMENT 12 EXCLUSIONS The exclusions in this listing are not intended to be exhaustive, for the purposes of this document this exclusion list is intended to reflect the scope of works expected in the Oil, Gas and Petrochemical industries on and offshore. A number of specific items of pressure equipment are excluded from the directive either because they are already covered by other EC Directives, their hazard due to pressure is not particularly significant or they are covered by other international codes of practice. Pipelines comprising piping or a system of piping designed for the conveyance of any fluid or substance to or from an installation (onshore or offshore) starting from and including the last isolation device located within the confines of the installation, including all the annexed equipment designed specifically for pipelines. This exclusion does not apply to standard pressure equipment such as may be found in pressure reduction stations or compression stations. Typical examples of standard pressure equipment annexed with pipelines, pressure reduction stations or compression stations may include: measuring devices; valves; pressure regulators; safety devices; filters; heat exchangers; vessels. These are covered by the directive. Networks, for the supply, distribution and discharge of water and associated equipment and headraces such as penstocks, pressure tunnels, pressure shafts for hydroelectric installations and their related specific accessories. This exclusion covers water supply, distribution and discharge networks (including piping inside industrial plants or buildings) and associated equipment for applications, such as: Potable Water Waste Water and Effluent Sewage Equipment covered by Directive 87/404/EEC for simple pressure vessels A simple pressure vessel is defined as an unfired welded vessel intended to contain Air or Nitrogen at an internal pressure greater than 0.5 barg and having the following characteristics: Manufactured from quality non-alloy steel, or non-alloy aluminium, or non-age hardening aluminium alloy. Consists of a cylindrical section with circular cross-section closed at each end by either flat or outwardly dished ends, or consists of two co-axial outwardly dished ends. Have a maximum working pressure (PS) not greater than 30 barg. Have a maximum stored energy capacity PS*V (the product of PS and the vessels capacity) not greater than 10,000 bar*litres. Be designed for a minimum working temperature not less than –50 degrees C, and a maximum not higher than 300 degrees C for steel vessels and 100 degrees C for aluminium or aluminium alloy vessels. Be manufactured in series (i.e. not a one off). Equipment classified no higher than category 1 under article 9 of the Directive and covered by the following: Directive 94/9/EC of the European Parliament for equipment and protective systems intended for use in potentially explosive atmospheres. Well control equipment used in the petroleum, gas or geothermal exploration and extraction industry and in underground storage which is intended to contain and/or control well pressure. This comprises the wellhead (Christmas tree), the Blow Out Preventers (BOP), the piping manifolds and all their equipment upstream.

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Well control equipment is any piece of equipment that has been designed and manufactured to contain and/or control well pressure. This includes all equipment that is typically installed on the well site. Equipment used to control any further downstream processes only, i.e. without controlling effect on the well pressure, would not be included as its intended purpose is not to contain well pressure. Enclosures for high voltage electrical equipment such as switchgear, control gear, transformers and rotating machines. Pressurised pipes for the containment of transmission systems, e.g. for electrical power and telephone cables.

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