SP-1023 Part - 1 Rev 1

ABU DHABI MARINE OPERATING COMPANY

Document Ref.: SP-1023 Part I

Control Sheet

ADMA-OPCO STANDARD ENGINEERING DOCUMENTS PAGE Page 1 of 89

D O C U M E N T

DESIGNATION SP-1023 Part -I

Specification for

Piping Support

TITLE

AUTHORITY NAME TITLE B.UNI

T/ DIV

SIGNATURE DATE

TECHNICAL CUSTODIAN

TECHNICAL

STANDARDS Khaled Tawfik Hendy ESQASL (A)

P&E/ DED

APPROVAL Hisham Awda MDE P&E/ DED

ENDORSEMENT Ali Ghanim Bin Hamoodah AGM (P&E) P&E

CONTROL STAMP

1 12-2010 Issued for Implementation Rev. DATE DESCRIPTION/TEXT AFFECTED

SF / General / 001 Rev.0 sheet 1 of 1

COPYRIGHT © ABU DHABI MARINE OPERATING COMPANY - ADMA-OPCO All rights reserved. The information contained in this document is regarded as confidential. Recipient(s) other than ADMA-OPCO's employees undertake both during the continuance of their services to ADMA-OPCO and after termination to maintain in safe custody and not to use any such information for any purpose other than a purpose falling within the scope of the Agreement or Contract under which this document was supplied. Recipient(s) further agree not to dispose of, make copies, in whole or in part of such information or permit the use or access of the same by any Third Party unless the prior written permission of ADMA-OPCO Manager Disciplines Engineering is obtained.

1 12-2010 Issued for Implementation

Rev. Date Description / Text Affected

PIPING SUPPORT

ADMA-OPCO SP-1023 PAGE 2


Liability for utilization by personnel/organizations outside ADMA-OPCO Whilst every effort has been made to ensure the accuracy of this document, neither ADMA-OPCO nor its employees will assume liability for any application or use outside ADMA-OPCO premises/assets.



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TABLE OF CONTENTS 1. INTRODUCTION ....................................................................................................................... 5

1.1 PREFACE ................................................................................................................................... 5 1.2 OBJECTIVE ................................................................................................................................ 5 1.3 SCOPE ........................................................................................................................................ 5 1.4 EXCLUSION .............................................................................................................................. 6 1.5 REFERENCED STANDARDS .................................................................................................. 6 1.6 ABBREVIATIONS ..................................................................................................................... 7 1.7 DEFINITIONS ............................................................................................................................ 7 1.8 USE OF LANGUAGE ................................................................................................................ 7 1.9 UNITS ......................................................................................................................................... 7 1.10 LESSONS LEARNED ................................................................................................................ 7 1.11 SITE CONDITIONS & DATA ................................................................................................... 7 1.12 ROLES & RESPONSIBILITIES. ............................................................................................... 8

2. QUALITY ASSURANCE .......................................................................................................... 8

2.1 QUALITY ASSURANCE SYSTEM .......................................................................................... 8 2.2 QUALITY CONTROL ............................................................................................................... 9 2.3 INSPECTION AND CERTIFICATION REQUIREMENTS ..................................................... 9

3. GOVERNING /BASE CODES .................................................................................................. 9

3.1 PIPING SUPPORTS SELECTION ............................................................................................. 9 3.2 PIPING SUPPORTS DESIGN .................................................................................................... 9 3.3 PIPING SUPPORTS MATERIALS ......................................................................................... 10 3.4 PIPING SUPPORTS FABRICATION/CONSTRUCTION ...................................................... 10 3.5 PIPING SUPPORTS FOR PRESSURE VESSELS .................................................................. 10 3.6 PIPING SUPPORTS FOR FIRE PROTECTION SERVICES ................................................. 10

4. PIPING SUPPORTS DEMARCATION ................................................................................ 12

5. PIPING SUPPORTS TYPES SELECTION ......................................................................... 13

5.1 GENERAL ................................................................................................................................ 13 5.2 PIPING SUPPORTS ATTACHED TO EQUIPMENT & VESSELS ....................................... 13

6. DESIGN ...................................................................................................................................... 14

6.1 GENERAL ................................................................................................................................ 14 6.2 FLEXIBILITY REQUIREMENTS ........................................................................................... 17 6.3 DUMMY SUPPORTS REQUIREMENTS ............................................................................... 17 6.4 FRICTION ................................................................................................................................ 17 6.5 ANCHORS REQUIREMENTS ................................................................................................ 18 6.6 SPRING SUPPORTS REQUIREMENTS ................................................................................ 18 6.7 PIPING SUPPORTS FOR INSULATED PIPES REQUIREMENTS ...................................... 18 6.8 PIPING SUPPORTS SPACING & LOCATION ...................................................................... 19

7. MATERIAL ............................................................................................................................... 20

8. FABRICATION & INSTALLATION REQUIREMENTS ................................................ 20

8.1 FABRICATION ........................................................................................................................ 20 8.2 INSTALLATION ...................................................................................................................... 21



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9. TESTING ................................................................................................................................... 22

10. INSPECTION ............................................................................................................................ 23

11. MAINTENANCE ...................................................................................................................... 24

11.1 PREVENTIVE MAINTENANCE .............................................................................................. 24 11.2 ROUTINE MAINTENANCE ..................................................................................................... 24 11.3 CORRECTIVE MAINTENANCE .............................................................................................. 25

APPENDIX-A: DRAWINGS ........................................................................................................... 26

APPENDIX-B: AUTHORITIES & RESPONSIBILITIES ........................................................... 82

APPENDIX-C: ABBREVIATION ................................................................................................... 83

APPENDIX-D: DEFINITIONS ........................................................................................................ 84

APPENDIX-E: REFERENCED DOCUMENTS ............................................................................ 87

APPENDIX-F: THE MAXIMUM SPAN BETWEEN ADJACENT SUPPORTS FOR HORIZONTAL PIPES ...................................................................................................................... 89



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1.

INTRODUCTION

1.1 Preface 1.1.1 Piping system need adequate supports and restrains to permit the piping system to

function under normal operating condition without failure in the piping or the associated equipment.

1.1.2 A piping system should be supported or restrained in several different ways. The

piping system must be adequately supported to sustain all loads e.g. own weight, valves, instrumentation, insulation, winds, etc) and the forces developed during every operating condition e.g. vibration, hammering, etc.

Such supports are commonly needed to absorb system weight loads in order to keep

the sustained longitudinal stress in the pipe within allowable limits, or to limit pipe sag to avoid process flow problems.

Restraints are used to control or direct the thermal movement of piping system. This

control of thermal movement shall be necessary to keep pipe thermal expansion stress within allowable limits.

Restrain are also necessary to absorb other loads imposed on piping system and to

limit pipe deflection and resultant stresses, such as wind, earthquake, water hammer, and other dynamic loads.

1.2 Objective

The objective of this Specification is to define and highlight the minimum design and

construction requirements for new piping-systems-supports within ADMA-OPCO offshore & onshore facilities.

This Specification must be read in conjunction with the governing codes stipulated in

section 3.

1.3 Scope The scope of this Specification covers ADMA-OPCO general requirements for

engineering/design, materials, fabrication/construction, installation, testing, inspection, and maintenance of new piping-supports.



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1.4 Exclusion This Specification does not cover the following:

1.4.1 Supports for plastic & composite material piping systems. Detailed Supports specifications for such systems shall be prepared by contractors & submitted to ADMA-OPCO Technical Authority for approval.

1.4.2 Electrical and instrumentation cable trays supports 1.4.3 Instrumentation piping supports. 1.4.4 Special piping supports.

1.5 Referenced Standards 1.5.1 General

The latest edition (at the time of the contract award) of the reference documentation as listed in Appendix-E shall be read as an integral part of this document. The latest edition/revision of ADMA-OPCO Standard Engineering Documents as indicated in Status List SL-001 shall be utilized.

1.5.2 Equivalent Standards Standard Documents equivalent to those referred to herein shall not be substituted without written approval from ADMA-OPCO. Approval of equivalent Standard Documents will not, in any way, release/relieve responsibility from the Contractor to meet the best practices and/or requirements of the Standard Engineering Documents referred to herein, in the event of conflict. Where differences and/or conflicting issues occur between the referenced documents themselves or the requirements of this document, the requirements of this document shall overrule unless otherwise advised by ADMA-OPCO. However major conflicts shall be reported in writing to the ADMA-OPCO Standards Authority/Technical Custodian nominated in the front sheet of this document for determination/resolution. The following hierarchy of adherence to standards shall be followed:

a. Whenever ADMA-OPCO Standard Engineering Documents (SED’s) relevant to the system, service and/or equipment design are available, the same shall be utilized first.

b. ADMA-OPCO Shareholder SED’s (tailored to suit ADMA-OPCO needs) shall be utilized next in the hierarchy, if the relevant subject is not covered by ADMA-OPCO standards.



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c. National or International standards (tailored to suit ADMA-OPCO needs) shall be utilized, if the required subject is not covered either by ADMA-OPCO or Shareholder SED’s.

The Contractor shall equip himself with copies of all the referenced Standard Engineering Documents referred in Appendix-E of this document and shall make them readily available to all ADMA-OPCO, or nominated representative, personnel involved in the work.

1.6 A bbr eviations

The abbreviations used in this document are listed in Appendix-C.

1.7 Definitions

The definitions used in this document are listed in Appendix-D.

1.8 Use of L anguage

Throughout this document, the words ‘will’, ‘may/can’, ‘should’ and ‘shall/must’, when used in the context of actions by ADMA-OPCO or others, have specific meanings as follows:

a. ‘Will’ is used normally in connection with an action by ADMA-OPCO and / or nominated representative, rather than by a Contractor or Vendor.

b. ‘May / Can’ is used where alternatives / action are equally acceptable.

c. ‘Should’ is used where provision is preferred.

d. ‘Shall / Must’ is used where a provision is mandatory / vital.

1.9 Units

Units shall be in accordance with ADMA-OPCO STD-00, Part-1.

1.10 L essons L ear ned

Upon completion of works related to the scope of this document, lessons learned shall be made available by the Contractors/consultants/job officer and shall be fed to ADMA-OPCO Lessons Learned system as appropriate.

1.11 Site C onditions & Data Site Conditions & Data for Umm Shaif and Zakum fields shall be in accordance with ADMA-OPCO STD-00, Part-2. For new fields, project specification should be followed or refer to ADMA-OPCO.



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1.12 Roles & Responsibilities. The authorities listed in Appendix-B of this Specification are primarily responsible to

the extent specified herein for satisfying the requirements of this document. 2. QUALITY ASSURANCE

2.1 Quality Assurance System

2.1.1 Materials and services shall only be procured from & supplied by manufacturers & contractors approved by ADMA-OPCO.

2.1.2 Manufacturers/contractors shall operate Quality Management Systems (QMS) within

their organizations, which ensure that the requirements of this Specification are fully achieved.

2.1.3 The quality management system of Manufacturers/contractors shall be based on the

latest ISO 9001 and shall be described in a Quality Manual. The Manual shall provide details for the preparation of a Quality Plan, which shall include provisions for the quality assurance and quality control of Engineering/design, all raw materials, process and fabrication procedures, testing and final inspection.

Where an approved Manufacturers/contractors or consultants has made changes to

their quality system or Manual these shall be submitted to ADMA-OPCO for approval.

2.1.4 The effectiveness of the Manufacturers/contractors quality management system may

be subject to monitoring by ADMA-OPCO or its representative and may be audited following an agreed period of notice.

2.1.5 The Manufacturers/contractors shall make regular QA audits on all their sub-

contractors/suppliers. Details of these audits shall be made available to ADMA-OPCO when requested.

2.1.6 The Manufacturers/contractors shall maintain sufficient Inspection and Quality

Assurance staff, independent of his production management, to ensure that the QMS is correctly implemented and that all related documentation is available.

2.1.7 The level of detail required in the Quality Plan shall be commensurate with the scope

of engineering or services provided. 2.1.8 Using sub-contractors is not allowed for common manufacturing or service functions

carried out in the production of equipment by a Manufacturers/contractors without ADMA-OPCO approval.



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2.2 Quality Control

2.2.1 The quality of materials & fabrication procedures are essential factors in piping supports.

2.2.2 During the project phase quality assurance/quality control issues are the responsibility

of the contractors/consultants. ADMA-OPCO Technical, Integrity Assurance Authorities specialists and nominated TPA shall be consulted as appropriate.

2.2.3 Lessons learned related to piping supports activities shall be fed to ADMA-OPCO

lessons learnt system as appropriate. 2.3 I nspection and C er tification R equir ements Inspection and certification requirements shall be certified to ADMA-OPCO CP-102

and BS EN 10204.

3. GOVERNING /BASE CODES

Piping supports design, materials, fabrication/construction, installation, testing and inspection shall be in accordance with the following codes in addition to the supplementary requirements stated in this Specification.

3.1 Piping Supports Selection

Piping supports, selection of type shall be in accordance with ASME B31.3 and MSS SP-69/ SP-58

3.2 Piping Supports Design

Piping supports design shall be in accordance with the following Codes and as indicated in Figure - 1 for Codes application battery limits. Piping supports design shall as appropriate, consider the piping configuration flexibility.

3.2.1 Process Plant Piping supports design shall be in accordance with ASME B31.3 and MSS SP-58. 3.2.2 Interconnecting for liquid pipeline Piping supports design shall be in accordance with ASME B31.4 and MSS SP-58. 3.2.3 Interconnecting for Gas pipeline Piping supports design shall be in accordance with ASME B31.8 and MSS SP-58.



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3.3 Piping Supports Materials Piping supports Material selection shall be in accordance with MSS SP-58.

3.4 Piping Supports Fabrication/Construction Piping supports Fabrication/construction & installation shall be in accordance with MSS SP-58.

3.5 Piping Supports for Pressure Vessels

Design, Material, Fabrication/construction & installation of piping supports attached to Pressure Vessel shall be in accordance with ASME Boiler and Pressure Vessel Codes Section IV & VIII as appropriate.

3.6 Piping Supports for Fire Protection Services

3.6.1 Piping supports design, material, fabrication, installation, testing & inspection for fire

protection services, shall be in accordance with the following Codes:

a. Foam extinguishing systems to NFPA-11. b. Carbon dioxide systems to NFPA-12. c. Installation of sprinkler systems to NFPA-13. d. Standpipe and hose systems to NFPA-14. e. Water spray systems to NFPA-15. f. Foam water systems to NFPA-16. g. Pipe hanger equipment for fire protection service for UL203.



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Figure - 1: Piping flexibility & Supports, Codes application battery limits

Onshore Process Plant ASME B31.3

Liq

uid

Pip

elin

e A

SME

B31

.4

Gas

Pip

elin

e A

SME

B31

.8

Sub-

Sea

Pipe

line

DN

V O

S-F1

01

Wellhead Tower or Platforms Offshore Process Plant

ASME B31.3

Tank Farm ASME B31.3

Gas Plant ASME B31.3

Offshore

Onshore

Offshore(Berth)

Sub-

Sea

Pipe

line

DN

V O

S-F1

01

Sub-

Sea

Pipe

line

DN

V O

S-F1

01



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4. PIPING SUPPORTS DEMARCATION

This specification covers the requirement for piping supports excluding the secondary structure fixed to the main supports or concrete pipe – racks as depicted herein under figure –2.

Figure 2: Piping Supports and Structure Demarcation



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5. PIPING SUPPORTS TYPES SELECTION

5.1 General

5.1.1 Piping Supports and hangers’ types & components shall be selected / utilized in accordance with ASME B31.3 and MSS-SP 69/ SP-58 requirements and as indicated hereinafter. Piping supports type selection shall be approved by ADMA-OPCO Technical Authority.

5.1.2 Selection of particular type of support or restraint in any situation shall be based on

the following key factors:

a. Loads e.g. weight, wind etc to be supported or restraint loads to be absorbed. b. The direction of loads to be absorbed or movement to be restrained.

c. Clearance / space available for attachment on the pipe.

d. Availability of nearby structure steel, that is already there for other purposes, & can easily be utilized for piping supports fixation.

e. Operating temperature as indicated hereinafter.

f. Limit of vertical thermal movement at a support.

g. Accessibility for inspection & maintainability for supports. h. Susceptibility to external corrosion e.g. galvanic, crevice, etc…

5.1.3 Detailed drawings of ADMA-OPCO commonly used supports, hangers and restraints

are illustrated in Appendix A of the Specification.

5.2 Piping Supports Attached to Equipment & Vessels

5.2.1 Piping supports attached to tanks shall be in accordance with API STD 620 or API STD 650.

5.2.2 Suitable anchorage and guides shall be provided in order to limit thrust and moments

induced by thermal expansion on the mechanical equipment’s nozzles to the maximum values recommended by manufacturers and/or the applicable governing Codes.

5.2.3 Suitable supports shall be installed inside and near various units, (packages, skids,

modules, etc). These supports shall be dimensioned to bear loads and moments produced inside and outside the limits of these units.

For rotating machineries, spring supports may be utilized, as appropriate after exhausting all other possible solutions, to reduce the stresses on the nozzles.



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6. DESIGN

6.1 General

6.1.1 Piping supports shall be designed in accordance with the requirements of the governing codes stipulated in Section 3 of this Specification and the requirements of this section. Piping supports design shall be approved by ADMA-OPCO Technical Authority.

6.1.2 Wherever practical, piping supports design shall include a non-metallic insert (pad

bonded) between the support & the secondary structure to ensure that metal to metal contact is avoided. Insertion materials should be as indicated below. However, final selection of such materials shall be subject to assessment & approval of Technical and Integrity Assurance Authorities.

OPERATING TEMP. (CO ) INSERTION MATERIALS

100& below up to ambient temp. Non-metallic Composite Wrap (as per SP-1019).

Above 100 up to 180 PTFE

Above 200 Glass wool matts

Low temp up to – 45 Polyisosenorate

Cryogenic temp Permaglass or celoron

6.1.3 Piping systems shall be analyzed to ensure that the system and all its components are

not subject to stresses over the limits permitted by the above mentioned codes during every possible operating condition such as start-up, shut-down, stream-out, depressurization, etc.

6.1.4 Unless otherwise specified by ADMA-OPCO, supports shall be designed to sustain

the load of pipes filled with water during the hydraulic test. 6.1.5 The metal design temperature of the supports shall be that of the most stringent

temperature either for contained fluid at design condition or the ambient temperature. 6.1.6 Unless otherwise specified by ADMA-OPCO, the use of expansion compensators

(bellows) shall be avoided inside the process areas and in those with a high fire risk located outside the process areas. In these cases, control of piping and equipment’s stresses limitation due to expansion, weight, friction, etc, shall be controlled by suitable configuration of the piping system and its relative supports.



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6.1.7 Piping installed with axial bellows shall be supported by a guide from each side in order to maintain correct alignment, and anchors for such bellows shall be designed to withstand the pressure thrusts.

6.1.8 If large vertical thermal movement is occurring, or thermal expansion causes pipe to

lift off fixed supports, spring supports may be used only upon the approval of ADMA-OPCO.

6.1.9 U-bolts shall only be used for utility piping. U-bolts shall be used as restraint in two

directions. The use of U-bolts supports shall normally be restricted to application where the lateral load is minimal.

6.1.10 Lateral loads may be resisted by boxing in the pipe directly or by transmitting the

load through pipe attachment or bearing lugs. 6.1.11 The width of the base of slider support, independent of shape, shall be not less than

0.25 times the outside diameter of the pipe. 6.1.12 Where pipes are graded, supports which allow for adjustment during erection shall be

used. 6.1.13 Wherever practical, piping system shall be provided with a doublers plate/protection

shield at the points of contact with the supports or secondary structural. If doublers plate/protection shield installation is not practical, a non-metallic insert (pad bonded) shall be utilized, refer to clause 6.1.2.

6.1.14 Supports component subject to compressive loads shall be designed to resist collapse

by buckling. 6.1.15 In case of utilizing pipe hangers, horizontal thermal pipe movement shall be within an

angle of ±4⁰ off the vertical axis during operating condition to avoid instability of piping supports.

6.1.16 Guides and direction restraints shall be designed to allow piping to expand and

contract freely relative to the anchor, and to be structurally suitable to withstand loads involved.

6.1.17 Supporting one line from another is absolutely prohibited. 6.1.18 Where concrete or steel pipe-rack is not located immediately at the point of support,

an adequate supplementary secondary steel structure shall be installed at the point of support.

6.1.19 Independent piping supports shall be provided to the system susceptible to vibration,

such as rotating machineries suction and discharge connections.



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6.1.20 The use of pipe dead sections with stagnant fluid shall be absolutely prohibited as a support element.

6.1.21 Adequate piping supports shall be installed near the piping elements/component e.g.

reducing valves, safety valves, etc which may cause pressure drops and vibrations.

6.1.22 Branch connection, 4”and smaller, which are installed on bottom of pipe, including drain valves and drip legs of all sizes, shall be located at a minimum horizontal distance of 24” from any fixed pipe support.

Such requirement does not apply to that part of the support which is attached directly to the piping such as horizontal and vertical dummy supports.

6.1.23 A minimum clearance of 100 mm shall be provided for inspection and freedom of

pipe movement between piping system crossing with any structure and the structure itself.

6.1.24 Pipes in elevated and ground level pipe racks, shall be sufficiently elevated i.e. the

distance between support and secondary structure shall be of adequate separation to allow inspection & maintenance accessibility.

6.1.25 For non-insulated pipes, a positioning guide shall be installed on the pipe ways and

on the pipe racks according to the following criteria:

a. Nominal pipe diameter up to 1½” included: every support point. b. Nominal pipe diameter 2” and higher: every two support points. For insulated pipes refer to clause 6.7.3 of this Specification.

6.1.26 All insulated and non-insulated piping systems should have an integral “shoe” at all

support locations to prevent direct contact of the pipe and the secondary structural support and to allow better access for maintenance purposes.



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6.2 Flexibility Requirements

6.2.1 Determination and positioning of the restraints types shall be defined on the basis of piping flexibility analysis.

6.2.2 Restraints such as guides, direction anchors, and limit stops shall be provided for

piping with excessive flexibility, movement or vibration. 6.2.3 Restraints shall be installed to minimize thermal and friction loads at equipment and

to direct pipe thermal expansion into a section of the system that has more inherent flexibility to absorb it.

6.2.4 Cold spring is strictly prohibited. 6.2.5 In case there are piping modifications by adding or removing piping components such

as adding of an extra valve, or branch lines, changing of valve type, etc. Analysis of piping flexibility shall be checked to verify the effect of that modification on the loading of piping support system and to select the suitable supporting system after this modification.

6.2.6 In case of operating condition changes, piping system & flexibility shall be re-

assessed to verify the impact of such changes on the existing piping supports.

6.3 Dummy Supports Requirements

6.3.1 The use of dummy/trunnion (tubular type) supports is prohibited. In lieu of such type of supports, structural steel beam/section e.g. I or H beam shall be used to support the piping configuration.

6.3.2 The length of steel section used as dummy supports should be kept as short possible

to minimize the bending moment that must be designed for.

6.4 Friction

6.4.1 Friction forces from supports and guides shall be considered as external loads acting in the direction opposite to the expected displacements. Such friction could reduce the piping flexibility significantly.

In the absence of experimental or reliable data from the manufacturers of piping supports, the friction factors in the table below shall be used for the flexibility calculation.



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Friction Factors

Materials Friction Factors Steel to concrete 0.40 Steel to steel 0.30 Teflon to steel 0.10 Teflon to Teflon 0.10 Sand to tape wrap 0.25 Sand to plastic coating 0.20

6.4.2 Low friction piping supports shall be designed such that sand or other debris cannot

accumulate on sliding surfaces. Sliding surfaces shall be protected during all construction activities including painting and sandblasting.

6.5 Anchors Requirements

6.5.1 Above-ground restrained pipelines shall be provided with end anchors designed to withstand the full thrust and pull forces due to thermal expansion & contraction and due to internal fluid pressure.

6.5.2 The potential end movements of buried piping shall be properly calculated. If these

movements are exceeding 50 mm, a full thrust or drag anchor shall be designed and installed to limit the end movement to be less than 25 mm.

6.6 Spring Supports Requirements

6.6.1 The use of spring supports shall only be accepted under absolute necessity conditions. 6.6.2 Additional supports shall be considered to avoid overstress during hydraulic test if the

line contents are gas and use spring hanger support. 6.6.3 Tolerance on spring rate for variable load spring supports shall not exceed ± 5% of

the nominal stiffness given by the support manufacturer. The manufacturers’ explicit approval of such tolerance shall be obtained by the contractor prior to installation.

6.6.4 Springs on spring supports shall retain the set load over the design life of the piping

system, with variation due to ageing not exceeding ± 2.5 % of the set load. 6.6.5 Maximum load variation of spring between hot & cold loads shall not be greater than

25%. 6.7 Piping Supports for Insulated Pipes Requirements

6.7.1 All insulated pipes shall be supported without interrupting the insulation continuity.

The insulation shall be in accordance with ADMA-OPCO SP-1028 requirements.



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6.7.2 If insulation discontinuity cannot be avoided at the point of contact with supports, e.g. for sliding type of supports, then at that point, insulated pipes shall be (0.5 m) bi-directionally wrapped with glass reinforced UV resistance composite laminate(i.e. Non-metallic Composite Wrap) as per SP-1019.

6.7.3 For insulated pipes, positioning guides shall be determined on the basis of the

flexibility analysis. 6.7.4 Piping Supports parts which may be adversely affected by excessively high or low

pipe temperatures, such as springs or sliding material shall be kept outside any insulation.

6.7.5 For insulated pipes, shoes shall be provided at supports where the normal operating

fluid temperature exceeds 100⁰C (212⁰ F). Shoes shall be sufficiently large to prevent disengagement from the supporting structure under abnormal temperature cycle or hydraulic shock conditions.

6.7.6 Sliders for use with large pipes shall incorporate a saddle to distribute the loads.

6.8 Piping Supports Spacing & Location

6.8.1 The piping support spacing depends on the following: a. The weight of the pipe and piping components. b. Pipe material, diameter and wall thickness.

c. Type of fluid service. d. Design pressure & temperature.

6.8.2 Support points shall be adequately located and spaced for optimum load distribution

and weight balance. 6.8.3 The supports should be installed on the following locations:

a. On straight pipe, rather than on piping component, fittings, or bends;. b. At locations which will not interfere with required maintenance;

c. As close as practical to heavy load concentration such as vertical runs, valves, branch lines, flanges, . etc.

d. Near changes in the direction of the pipe run. 6.8.4 The maximum span between adjacent supports for horizontal pipes shall be as

illustrated in Appendix F. 6.8.5 Supports must be properly located & installed in such a way that necessary access for

periodic inspection of piping/welding is ensured.



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7. MATERIAL

7.1 The material selection for piping supports shall be in accordance with the governing codes stipulated in Section 3 of this Specification and shall take into account the effects of corrosion caused by environment. Piping supports materials selection shall be approved by ADMA-OPCO Technical / Integrity Assurance Authorities as appropriate.

7.2 Allowable stresses for material not listed in MSS-SP-58 with known physical

properties shall be determined as the lowest of the following values: a. 1/4 of minimum tensile strength at service temperature. b. 5/8 of minimum yield strength at service temperature.

Allowable stresses for castings shall be multiplied by a casting quality factor of 0.8.

7.3 The piping attachments and supporting structure in contact with each other must be of compatible material in order to reduce galvanic action. In certain cases it shall be necessary to insert pad bonded packing material between dissimilar pipe and support materials, refer to clause 6.1.2.

7.4 Pipe support clips for carbon steel lines shall be made from round bar (i.e. U bolts)

rather than flat strip to reduce corrosion in addition to the insertion materials requirements in Clause 8.1.9.

8. FABRICATION & INSTALLATION REQUIREMENTS

8.1 Fabrication

8.1.1 Piping supports shall be manufactured by cold/hot forming or welding in accordance

with MSS SP-58 & MSS SP-69. Stress relieving shall be done for cold/hot forming in accordance with MSS SP-58 & as per ADMA-OPCO SP-1035 requirements.

8.1.2 Surface discontinuities of welds shall not be acceptable. 8.1.3 Sections, plates, rods, bars, etc. which may be used for piping supports fabrication

shall be shaped by shearing, sawing, grinding or machining. When thermal cutting is deemed necessary, ADMA-OPCO approval shall be obtained.

8.1.4 The welded attachments to piping supports or equipment shall be completed prior to

commencement of stress relieving. 8.1.5 Precautions shall be taken such that pipe wall is not penetrated while welding piping

supports attachment. 8.1.6 All sharp edges for plates and section shall be grounded off.



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8.1.7 Welding procedures shall be in accordance with ADMA-OPCO STD-103 and carried

out by qualified personnel in accordance ADMA-OPCO STD-103 & SP-1031. 8.1.8 Weld metal shall have a composition compatible with the parent material and shall

not have a yield strength below the lowest specified minimum value of the piping supports components being welded.

8.1.9 Non-metallic materials (pad bonded) shall be inserted between carbon steel piping

and supports to protect it from potential risk of crevice corrosion, in addition to the supports & piping systems painting/coating , refer to clause 6.1.2.

8.1.10 Protection shall be applied to the piping made of CRA from galvanic and potential

risk of crevice corrosion on clamps, supporting devices, even if the support is already painted.

The following solution shall be applied:

a. CRA doublers plate/protection shield shall be welded to the pipe. Welding gas vent hole shall be passivation treated and plugged.

b. Pipe shall be wrapped with glass reinforced UV resistance composite laminate system (i.e. Non-metallic Composite Wrap) as per SP-1019.

8.1.11 Piping supports components supplied by manufacturers shall be primarily coated

using zinc rich epoxy or zinc phosphate epoxy. 8.1.12 Hot dip galvanizing, for bolting material and threaded parts shall be in accordance

with ADMA-OPCO specification SP-1015.

8.2 Installation

8.2.1 Piping supports shall be installed by the contractors in accordance with MSS SP-58 requirements and as specified hereinafter.

8.2.2 Supports for small bore piping (less than 2 inch) shall be installed & adjusted in situ.

Special attention shall be paid to these small bore piping susceptible to wind loads. 8.2.3 During transportation & lifting of prefabricated modules, in particular by sea, special

measures shall be applied to avoid overloads of piping supports. 8.2.4 Piping system shall not be supported to handrails, cable trays or ducts. 8.2.5 Piping supports interference with other supports such as electrical trays, ducts, etc. shall be avoided.



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8.2.6 Piping supports installer shall fully comply with the drawing & reserve the locations and space for piping supports without any changes.

8.2.7 Piping supports exact locations shall be verified against the original design. Where

there is difference between the original design and the as-built system, the Contractor shall inform ADMA-OPCO representative as applicable. Accordingly, a further analysis of the system shall be requires by ADMA-OPCO.

8.2.8 Particular attention shall be given to the installation of spring support, to ensure that

the orientation of the spring support is correct. All locking devices for spring supports shall be kept in their locked position

throughout installation of a system. The timing of the removal of the locking devices shall be defined in the commissioning procedure.

8.2.9 During the installation of the piping system, temporary supports may be found

necessary. After completion of installation and before commissioning, these temporary supports shall be removed.

8.2.10 Piping support shall be painted in accordance with ADMA-OPCO Painting Manual

MNL-01. 8.2.11 During electric arc welding for piping supports, piping shall be earthed so that no

welding currents flow through spring hangers, constant load hangers, etc. 8.2.12 Installed hanger supports or hanger component shall not be used for rigging and any

other erection purposes. 8.2.13 Relocation of any piping supports shall be approved by the relevant project technical

authority.

9. TESTING

9.1 Piping support components shall be tested by the contractor/TPA before installation in accordance with MSS SP-58 and as specified hereinafter.

9.2 Piping supports components shall be physically type tested by loading, to guarantee

& prove the adequacy of the final design. 9.3 The testing conditions shall match the physical arrangements of the intended use as

far as possible, in particular the fitting of the attachments and the direction of loading. Where loadings have different directions and intensities, the most conservative combination loads shall be used.

9.4 Testing for Piping supports components shall be carried out on a minimum of two samples on each component size. If one sample fails the test, the support shall not be qualified / accepted.



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10. INSPECTION

10.1 Piping supports components shall be inspected by TPA / Integrity Assurance Authority before installation in accordance with MSS SP-58 and as specified hereinafter.

10.2 Upon commissioning, piping supports planned inspection frequency shall be the same

as for piping system and on the same campaign in accordance with ADMA-OPCO CP-107.

10.3 In addition to the above inspection campaign, all piping supports shall be periodically

inspected in situ Integrity Assurance Authority Representative as indicated in subsection 10.4.

Such inspection shall be dependent on the criticality of the system, the service record of the support type and the severity of the service environment.

Special attention shall be given to supports of insulating piping systems as they are potentially more susceptible to corrosion under insulation (CUI). Piping supports under severe occasional loads (vibration, water hammer loads.. etc.) shall be closely observed & checked by Integrity Assurance Authority Representative.

10.4 Piping supports shall be visually inspected Integrity Assurance Authority

Representative to specifically check for the following problems / defects:

a. Deterioration of protective coatings or fireproofing. b. Evidence of corrosion, especially at or near the foundation attachments. c. Distortion. d. General physical damage. e. Damage to sliding pads or yielding. f. Movement or deterioration of concrete footings. g. Failure or loosening of foundation bolts. h. Insecure attachment of brackets and beam to the support. i. Restricted operation of pipe rollers or slide plates. j. Insecure attachment or improper adjustment of pipe hangers, if used. k. Broken or defective pipe anchors. l. Restricted operation of pivot point which may affect balanced piping systems.

10.5 On hot lines, the locations and lengths of pipe shoes shall be checked to ensure that as

the lines expand during service, the pipe shoes shall remain on the supports. 10.6 If vibration or swaying is observed or happened during operation. Welds shall be

inspected for cracks, particularly at point of restraint, such as areas where piping system attached to the equipment and near anchors.



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10.7 During Spring supports inspection, the following shall be carried out Integrity Assurance Authority Representative:

a. Condition of can: As corrosion of the can on the spring support could lead to catastrophic failure of

the spring support with the potential to cause damage to the piping system and installed equipment.

b. Condition of the spring: To ensure it is sound and operating correctly. c. Hanger accessories: The general condition of the hanger accessories (hanger rod, pipe clamp, beam

clamp,… etc) shall be closely noted during inspection.

10.8 In case of mal-function operations or emergency shut-down, the Integrity Assurance Authority shall be informed to check & verify if there is any piping supports defects or otherwise.

11. MAINTENANCE

11.1 Preventive Maintenance

11.1.1 Periodical cleaning for sliding piping supports to remove the accumulated sands/dusts

shall be carried out by Maintenance Authority to avoid the increase of friction & yielding damages.

11.1.2 Periodical greasing for sliding & bolted components shall be carried out Maintenance

Authority. 11.2 Routine Maintenance

11.2.1 Routine Maintenance requirements & procedures for piping supports shall generally

be identified based on inspection reports findings. 11.2.2 Maintenance procedure shall include special requirements to:

a. Ensure proper tightening & integrity of bolted components of supports. b. Verify & maintain integrity of sliding supports. c. Verify & maintain integrity of spring supports. d. Ensure proper contact between the supports & piping. e. Verify the welds status of supports. f. Manage the corrosion for pipe surfaces facing supports. g. Verify the concrete foundation condition.



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11.3 Corrective Maintenance

11.3.1 In order to maintain integrity of piping system & supports, the following measures shall be enforced by Maintenance Authority during repair or replacement particularly where the inspection reports revealed a severe corrosion or damage of such supports:

a. Assess the piping flexibility & supports design. b. Proper materials selection of the supports components c. Assess the cathodic protection system. d. Assess corrosion management system. e. Proper maintenance & welding procedures are available.

11.3.2 Maintenance and repairs of piping supports shall be carried out in accordance with

ADMA-OPCO SP-1023 Part 2 (projected).



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APPENDIX-A: DRAWINGS



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APPENDIX-B: AUTHORITIES & RESPONSIBILITIES

The ADMA-OPCO authorities listed below are primarily responsible to the extent specified herein for satisfying the requirements of this document.

SITE DAS

ASSET US ASSET ZK ASSET AL HYLEH AUTHORITY TECHNICAL Manager

Discipline Engineering

Manager Discipline Engineering



MAINTENANCE Maint. Support TL Municipality Main. TL

Maint. Support TL

Maint. Support TL

SBE

INTEGRITY ASSURANCE

Facility Integrity TL




STANDARDS AUTHORITY

Engineering Standards & Quality Assurance Section Leader






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APPENDIX-C: ABBREVIATION

Abbreviation Description

ADMA-OPCO Abu Dhabi Marine Operating Company

API American Petroleum Institute

ASME American Society for Mechanical Engineers

BSI British Standards Institute

CRA Corrosion Resistant Alloy

CUI Corrosion Under Insulation

GRUV Glass Reinforced UV Resistance Composite Laminate System

HSE Health, Safety & Environment

ISO International Organization for Standardization

ITP Inspection and Test Plan

MSS Manufacture Standardization Society

NFPA National Fire Protection Association

QA Quality Assurance

QA Quality Assurance

QAS Quality Assurance System

QAS Quality Assurance System

QC Quality Control

QC Quality Control

QMS Quality Management Systems

QMS Quality Management System

SI Systeme International d’Unites

SMYS Specified Min. Yield Stess

TPA Third Party Agency

TPA Third Party Agency

UL Underwriters Laboratories.



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APPENDIX-D: DEFINITIONS

D.1 General Definition

Term Definition

Contractor Is the Company contracted to undertake the works of a Project and is accountable to ADMA-OPCO's or its nominated representative.

Quality Assurance All those planned and systematic actions (QA) necessary to ensure quality i.e. to provide adequate confidence that a product or service will be fit for its intended purpose.

Quality Manual A Document setting out the general quality policies, procedures and practices of an organization.

Quality Plan A document prepared by the Contractor/Vendor setting out the specific quality practices, resources and activities relevant to a particular project.

Quality Management System

The structure organization, responsibilities, activities, resources and events that together provide organized procedures and methods of implementation to ensure the capability of the organization to meet quality requirements.

TPA Is the Company contracted to undertake the Third Party Inspection & Verification Tasks (TPA) on behalf of ADMA-OPCO.

Vendor Is the named Manufacturer or Supplier in the ADMA-OPCO Purchase Order. The term “Vendor” as used herein includes all Manufacturers and sub-suppliers of equipment covered by this Document.



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APPENDIX-D: DEFINITIONS (CONT’D) D.2 Piping Supports Specific Terminology The principle terms used to describe the piping supports in accordance with MSS-SP-90 are defined in the table herein below.

Term Definition

Anchor A rigid device used to prevent essentially all pipe rotation and displacement at the point of application.

Anchor Bolt A bolt which is embedded in concrete and is used to attach to concrete structure.

Alloy pipe clamp A pipe clamp made from low chrome-moly ( less than 5% chrome) material for the purpose of resisting the effects of piping temperature in the 750°F to 1100 °F range (399°C to 593°C)

Band Hanger A pipe attachment providing for vertical adjustment, consisting principally of a formed strap.

Beam clamp A clamping device used to connect the reminder of a pipe hanger assembly to a structural beam, without requiring welding.

Brace Assembly An assembly made of pipe support components designed to restrain a piping system from horizontal forces.

Bracket Cantilivered member, with or without a kneebrace, designed to withstand a gravity load and / or horizontal forces.

Cantilever A Structure member supported and fixed at only one end.

Cold Shoe A pipe shoe with an integral insulation insert which has been designed for cold temperature piping system application.

Cold Spring The act of pre-stressing a piping system during installation in order that the equipment reactions will be lower in the operating condition.

Constant Support Hanger

A mechanical and spring coil device which produces a relatively constant supporting effect, while permitting vertical pipe movement.

Dummy support Piping supports which are often made from sections of pipe to provide support. The term “Dummy” indicates that there is no flow in the pipe section.

Guide A device used to permit pipe movement in a predetermined direction while restraining movement in other directions.

Pipe clamp A bolted pipe attachment which clamp around the pipe to connect the pipe to the remainder of a pipe hanger assembly.

Pipe clip A pipe attachment used to hold the pipe directly to a structure, also referred to as a strap or pipe strap.

Pipe Hanger A device which is suspended from a structure and used to carry the piping load in tension.

Pipe Rack A structure frame that is used to support piping systems. Pipe Saddle Supports A stanchion utilizing a curved section for cradling the pipe.



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APPENDIX-D: DEFINITIONS (CONT’D)

D.2 Piping Supports Specific Terminology (CONT’D)

Pipe shoe Normally a tee section attached to the pipe to transmit the load or forces to the adjacent structure.

Pipe Slide A device consisting of a pipe attachment and a slide olate, to accommodate horizontal pipe movement.

Pipe Support A device by which piping is carried from beneath and is used to carry the piping weight in compression.

Restraint Any device which prevents , resists or limits the free movement of the piping.

Rise Clamp A pipe clamp for the support of vertical piping having separate load bolts, to transfer the piping load to the remainder of the pipe hanger assembly.

Riser Hanger A pipe hanger or pipe support connected to the riser.

Sleeper A horizontal beam , usually located at grade, upon which horizontal pipe runs are supported.

Slide Plate A flat plate whose surface has been prepared in a manner which will facilitate a sliding motion.

Sliding Support A device providing support from beneath by offering no resistance, other than friction, to horizontal movement.

Stanchion A pipe support using a vertical member in compression. Stop A device used to limit pipe movement in a specific direction.

Strut A rigid tension/compression member. Also a generic term/name for metal framing channel.

Support A device which rests on a structure and is used to carry the piping load in compression.

Support (Dummy) A support made using section of pipe rather than structural member, meantime , there is no flow in that pipe section.

U-bolt A U-shaped rod with threaded ends, that fits around a pipe and is attached to a supporting member.



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APPENDIX-E: REFERENCED DOCUMENTS

Unless otherwise specified, the latest edition of the Standard Engineering Documents listed below shall to the extent specified herein, represent part of this document.

Designation Title

ADMA-OPCO

CP-102 Third Party Inspection and Certification Requirements for New Equipment and Materials in Manufacture.

SL-001 Status List for ADMA-OPCO Standard Engineering Documents.

PRO-00 Establishment, Development, Control & Application of ADMA-OPCO Standard Engineering Documents.

CP-107 Code of Practice for Inspection and Testing of Plant in Service

MNL-01 Painting Manual

SP-1015 Hot Dip and Span Galvanized for Bolting

SP-1031 Quality control Personnel for Fabrication & Construction

SP-1035 Pre and Post Weld Heat Treatment of Ferrous Materials

STD-103 Approval of Welding procedures & Welders Performance

SP-1051 Specification for piping system stress analysis

Institution Petroleum American

API 620 Design and construction of Large Welded, Low Pressure Storage Tanks

API 650 Welded Tanks for oil Storage

American Society of Mechanical Engineers

B31.3 Process Piping

B31.4 Pipeline Transportation Systems for Liquid Hydrocarbons and other Liquids

B31.8 Gas Transmission and Distribution Piping Systems

Sec. IV ASME Boiler and Pressure Vessel Codes for : Rules for Construction of Heating Boilers

Sec. VIII ASME Boiler and Pressure Vessel Codes for : Rules for Construction of Pressure Vessels Division 1 & 2



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APPENDIX-E: REFERENCED DOCUMENTS (CONT’D) Designation Title

National Fire Protection Association

NFPA-11 Foam extinguishing systems NFPA-12 Carbon dioxide systems NFPA-13 Installation of sprinkler systems NFPA-14 Standpipe and hose systems NFPA-15 Water spray systems NFPA-16 Foam water systems

Manufacturers Standardization Society

SP-58 Pipe Hangers and Supports – Material, Design , Manufacture, Selection, Application, and Installation

SP-69 Pipe Hangers and Supports – Selection and Application

Underwriters Laboratories Inc.

UL 203 Pipe Hanger equipment for fire protection service



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APPENDIX-F: THE MAXIMUM SPAN BETWEEN ADJACENT SUPPORTS FOR HORIZONTAL PIPES