Ms For Handling And Storage Of Pipes.docx

DESIGN AND CONSTRUCTION OF GAS NETWORK – PHASE 1

METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES

THIS DOCUMENT IS INTENDED FOR USE BY ADNOC AND ITS NOMINATED CONSULTANTS, CONTRACTORS, MANUFACTURERS AND SUPPLIERS

COMPANY

EPC CONTRACTOR

PAGE 1 OF 19 CONTRACT NO.

CLIENT PROJECT NO

REV-

DATE: 16-02-2020

TABLE OF CONTENTS 1.

INTRODUCTION ............................................................................................... 3

2.

SCOPE ............................................................................................................. 3

3.

DEFINITIONS AND ABBREVIATION ............................................................ 4

3.1

DEFINITIONS ................................................................................................... 4

3.2

ABBREVIATIONS ............................................................................................. 4

4.

CODES AND STANDARDS ........................................................................... 5

5.

RESPONSIBILITIES ....................................................................................... 5

6.

DOCUMENT PRECEDENCE .......................................................................... 8

7.

QUALITY ASSURANCE I QUALITY CONTROL .......................................... 9

8.

HSE REQUIREMENTS ................................................................................... 9

9.

MATERIAL HANDLING ................................................................................ 10

9.1

GENERAL....................................................................................................... 10

9.2

RECEIPT OF LINE PIPE................................................................................. 10

9.3

CUSTODY TRANSFER TO COATING VENDOR ........................................... 11

9.4

MATERIAL HANDLING (PIPES) .................................................................... 12

9.5

MATERIAL HANDLING (COATED PIPES) .................................................... 13

9.6

HANDLING OF APPURTENANCES ............................................................... 13

10.

TRANSPORTATION OF LINEPIPE MATERIALS ....................................... 14

10.1

BARE PIPE ..................................................................................................... 15

10.2

COATED PIPE ................................................................................................ 15

11.

PIPE PRESERVATION AND STORAGE AT SITE...................................... 16

12.

STACKING OF PIPES .................................................................................. 16

13.

MATERIAL INSPECTION AND REPAIR ........................................................ 18

14.

DOCUMENTATION ....................................................................................... 19

15.

ATTACHMENTS ............................................... Error! Bookmark not defined.

DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 2 OF 19 CONTRACT NO.

CLIENT PROJECT NO.

REV- 1

DATE: 16-02-2020

1. INTRODUCTION The Specification for Handling, Transportation, and Storage of Line Pipe material has been developed to describe the minimum requirements f or storage, handling and transportation of bare and coated line pipes of the proposed pipeline system required for DESIGN AND CONSTRUCTION OF GAS NETWORK – PHASE 1. The document presents the material handling Strategy and plan to be developed for execution of the work by . This document addresses the strategies, plans and approach to scope execution, resource utilisation, responsibilities and delegated authorities for each facility/area. The Key Objectives of this document are to:   

Provide an overall handling of pipes, flanges and fittings for the execution methodology and the role that the plays in all projects phases. Define the plans to manage the tasks and resources in execution of the scope of the projects. Set out the process and tools for effective internal interface management of design data which must flow smoothly and in a timely manner between disciplines and the various facility areas of the project.

2. SCOPE This document defines the minimum requirements for storage, handling and transportation of bare and coated line pipe material, flanges and fittings of the proposed pipeline system required for the for the tie in works at EPC for Replacement of Ageing Network in Bab Field Project. The conditions and requirements in this document shall be followed by Contractor and his approved Subcontractors and Vendors during the project stages of material supplying and construction. This shall as a minimum include the following:           

Establishing access points to the pipeline from public highways Loading line pipes, flanges, fittings and isolating joints at the port of entry, designated sites or coating yards Pipe shall be secured and eventually distributed while transported by trailers. Special care to be taken while handling of coated pipes. Establishing lay down areas along the route Transporting line pipe to designated lay down areas Offloading line pipe at lay down areas and re-loading at lay down areas Transporting line pipe to trench positions Offloading line pipe to trench positions Providing Approved Equipment’s and vehicles. Providing maintenance facilities capable of meeting these Specifications. Providing sufficient certified manpower as per ADNOC Onshore /COMPANY requirements and any other necessary resource to fulfil the above and meet these Specifications.

DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 3 OF 19 CONTRACT NO.

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DATE: 16-02-2020

Any additional requirements which are not specifically mentioned in this specification, but are required to make this Specification complete in all respect in accordance with the intent of this specification, statutory manufacturer requirements, applicable codes/standards, good engineering practices, and for safe and trouble-free operation, shall be deemed to be covered under the scope of this specification. Any exceptions to this Specification shall be submitted in writing for approval by Contractor / Company. 3. DEFINITIONS AND ABBREVIATION 3.1 DEFINITIONS ADNOC/COMPANY

ABU DHABI PORTS

EPC CONTRACTOR Vendor / Manufacturer / Supplier

Party Manufacture, Supplies Equipment packages and Services to perform the duties specified in Material Requisition.

Project

EPC for DESIGN AND CONSTRUCTION OF GAS NETWORK – PHASE 1 Indicates a mandatory requirement

Shall Should

Indicates a strong recommendation to comply with the requirements of this document

Will

Indicates a feature which may assume to be already present

May

Indicates a feature which is discretionary in the context in which it is applied

Must

Indicates a legal or statutory requirement

Sub-contractor

The party(s) which carry(s) out all or part of the handling, transportation, storage, installation and testing of the system(s) specified by Contractor

3.2 ABBREVIATIONS ADNOC

Abu Dhabi Company for Onshore Petroleum Operations Ltd.

BSCFD CS

Billion Standard Cubic Feet per Day Compressor Station

DGM

Direct Gathering Manifold

DEP

Design and Engineering Practices DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 4 OF 19 CONTRACT NO.

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EBGCP

Expansion of BAS Gas Compression Project

EPC

Engineering, Procurement and Construction

EXT

Extended

FBE

Fusion Bonded Epoxy

FEED

Front End Engineering Design

HGV

Heavy Goods Vehicle

MRR

Material Receipt Record

RMS

Remote Manifold Station

ROW

Right Of Way

TPI

Third Party Inspector

3LPP

Three Layer Polypropylene

4. CODES AND STANDARDS The following codes and standards shall establish the basis of design and construction of all pipeline systems under this project. American Petroleum Institute (API) API 5L (45th Edition)

Specification for Line Pipe

API RP 5L1 (2009)

Recommended Practice for Railroad Transportation of Line Pipe

API RP 5LW (2009)

Recommended Practice for Transportation of Line Pipe on Barges and Marine Vessels

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) ASME B31.4, 2012

Pipeline Transportation System for Liquids and Slurries

ASME B31.8, 2014

Gas Transmission and Distribution of Piping Systems

International Codes ISO 9000 (2005)

Quality Management

ISO 9001 (2015)

Quality Management Systems-Requirements

ISO 9004 (2009)

Managing for the sustained success of an organization-A quality management approach- Third Edition

5. RESPONSIBILITIES PROJECT MANAGER

DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 5 OF 19 CONTRACT NO.

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He shall:  Project Manager shall have the full authority for the review and implementation of method statements. 

Liaise and coordinate with the ADNOC Onshore /COMPANY representative, site engineer, safety engineer for the safe and proper execution of work.



Monitoring the progress on a daily basis and ensure that whether the work is progressing as per the planned schedule.



Utilize and mobilize the required services for the execution of work.

CONSTRUCTION MANAGER He shall:



Review/ Approval of project procedures, method statements and construction-based documents for the project.



Establish the work plans, subcontracting plans and demobilization plans, and review them periodically to ensure project performance with assistance of his personnel.



Report to Project Manager on a daily basis and update the progress according to the planned schedule.



Ensure that the Communication between ADNOC Onshore/COMPANY, Contractor and subcontractors are as per the defined project co-ordination procedure.



Utilize and mobilize the required services of procurement and construction personnel.



To ensure that quality audits and inspections are carried out effectively at site.



Periodically check safety returns, ensure that personal protective equipment’s are properly utilized, and the morale of the personnel is maintained by provision of adequate health and safety requirements.

QC ENGINEER / QC INSPECTOR He shall: 

Ensure that all inspections are carried out at relevant stages of work and as per the approved project specification and quality procedures.



Conduct inspections as per the approved ITP and maintain proper records for future checking and maintenance.



Report and Co-ordinate with QA Manager and provide the necessary information on the project as required by the client.

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

Inspect all pipes before loading to truck to identify damages if any occurred.



Report all non-conformities to respective QC Engineer/Manager.



Prepare inspection report on the receipt of material in store.

DISCIPLINE ENGINEER Discipline engineer shall report to the Construction Manager. He Shall:  Prepare work procedures, method statements, inspection and test plans for the project in accordance with project requirements. Discuss with company counterparts about the procedures, revise and improve subject documents to get approval from company. 

Prepare and submit material approval requests to company for discipline wise materials.



Review of discipline wise design documents/ drawings and coordination with the construction team prior to the application/ construction at site.



Monitoring of discipline wise construction activities and reporting to the concerned manager as required.



Ensure that the works to be executed are as per the quality requirements and to liaise with quality control engineers in preparation of construction records.



Support the procurement team with proper material approvals and technical support throughout the project.



Review the as built mark ups prepared at site and submitting the same to Construction manager.



Direct and supervise discipline subcontractor, if any.



Ensure the assigned work complies with the quality system requirements of company.



Take corrective action on non-conforming work and audit deficiency as soon as the same is known and ensure that the action is completed along with necessary documentation required for NCR / CAR.



Report daily progress against work plan and manning / equipment status.

JOB PERFORMER He shall:  PTW system to be mentioned in the initial stage of work. 

Preparations for loading and unloading of materials. DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 7 OF 19 CONTRACT NO.

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

Ensure all the storage area suitable to store the pipes and other material



Ensure all activities are occurred in safe approved manner.

SAFETY OFFICER He shall:



Ensure for the strict implementation of all safety measures in accordance with the HSE Plan for this project.



Responsible to closely monitor for all the safety measures are implemented and maintained at worksite throughout the duration of this project.



Inspect all the site activities and assign persons to be train in safety matters to prevent any accident while performing this project.



Maintain the worksite clean & tidy to prevent any safety hazard



Ensure all trucks, cranes, material handling tools and tackles are approved and certified.



Ensure all activities such as loading, unloading of pipes in vehicles are in safe manner.



Ensure pipes are stacked in safe manner, keep safe distance from roads and buildings.



Ensure all material handling tools / tackles are colour coded and free from damages.

SUPERVISOR He shall:



Ensure that the work to be carried out in accordance with safe working procedure and good

engineering practice and skills and also conforms to project specifications. 

Always be present at site throughout the performance of related works in order to complete the work as per the planned schedule



Maintain the records and all construction related reports for the completion of the project.



Co-ordinate with site QC Engineer at all relevant stages of work for fulfilling the quality system requirements for the project



Assign duties to the crew members and ensure that work to be carried out as per the Company approved PTW system.

6. DOCUMENT PRECEDENCE The order of precedence of requirements shall be as follows, unless otherwise directed in writing by Contractor:

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1. 2. 3. 4. 5. 6. 7. 8. 9.

The Laws, Standards and Regulations of the United Arab Emirates. ADNOC Onshore Codes of Practice. Technical Deviations. Project Specific Specifications. ADNOC Onshore/COMPANY Procedures and Codes/Standards. ADNOC Onshore /COMPANY Specifications and Engineering Practices. ADNOC Onshore /COMPANY amendments and supplements to Shell DEPs. Shell DEPs v38. International oil and gas industry Codes, Standards and Recommended Practices (all where Specified in the above or, where none of the above is applicable, as proposed by CONTRACTOR and Approved by ADNOC Onshore). 10. Internationally recognized oil and gas industry sound practices. In cases of conflict between documents in the same level of the hierarchy, the most stringent Requirement shall apply. In such cases CONTRACTOR shall provide its interpretation in writing of the most stringent requirement for ADNOC Onshore Approval utilizing a Technical Query sheet. In all such cases of conflict ADNOC Onshore decision shall be final. 7. QUALITY ASSURANCE I QUALITY CONTROL The Vendor shall operate a quality system to ensure that requirements of the ISO 9000 standard are achieved. The Vendor shall submit a copy of the ISO 9000 certification or alternatively, a Corporate Quality Manual. The Vendor shall identify in the documents to his Supplier and Sub-contractor all applicable QA/QC requirements imposed by the Contractor/ ADNOC Onshore/COMPANY and shall ensure compliance. On request, Vendor shall provide objective evidence of its QA/QC surveillance for all levels of its activity. The Contractor shall be responsible for inspecting and verifying the condition and contents listing and identifying to ADNOC Onshore/COMPANY any shortages or damage of the materials upon receipt and maintain a proper traceability for each item. 8. HSE REQUIREMENTS 

All the new members of the team shall undergo a safety induction and H2S training in order to be aware of field.



Safety officer should be available at site.



TRA session shall be conducted before starting any new process.



HSE compliance shall be ensured as per HSE plan & ADNOC Onshore/COMPANY HSE Procedures



Workmen shall have all ADNOC Onshore/COMPANY approved PPE like Safety helmet, shoe and coverall as necessary for the job.



Necessary works permit (PTW) to be obtained prior to commencement of the activity. DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 9 OF 19 CONTRACT NO.

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

Only experienced ADNOC Onshore/COMPANY approved workmen shall be allowed to undertake the job.



First aid kit shall be available at site and certified First aider assigned for the project.



A toolbox meeting shall be conducted by job performer to brief all concerned about Dos & Don’ts. Special coverage of salient points related to the job undertaken and risk involved, including course of action in case of emergency, shall be ensured during the session.



Sufficient drinking water will be made available for the work force at all times.



A full time stand by vehicle shall be at site from the time of work starts until the duty ends



Follow LPR and regulations as per ADNOC Onshore/COMPANY.



All mobile equipment’s are inspected, approved by ADNOC Onshore/COMPANY with colour coded and certificate.



Maintain safe distance from overhead lines, 9 metre from wooden poles and 15 metre from Metal poles.

9. MATERIAL HANDLING 9.1 GENERAL All coated and uncoated line pipes and fittings shall not be subject to impacts but shall be lifted or lowered from one level to another by suitable equipment. All line pipe, flanges and fittings material shall not be exposed to severe climate conditions. The materials shall be protected to withstand ocean transit and extended periods of storage at the jobsite up to one year. Vendors and Sub-contractors will submit detailed Transportation, handling and storage procedures to Contractor for approval. The procedures should adequately address material receipt, inspection, handling, transport, storage, hauling, repair as well as pipe stringing and pipe laying in view of the long voyage from manufacturing locations and climatic extremes at the job site. Vendor's instructions and recommendations shall be implemented, and all required facilities shall be arranged in advance. 9.2 RECEIPT OF LINE PIPE The Contractor will collect all supplied line pipes and fittings from designated locations or ports across ship's rail. The Contractor shall take receipt of the line pipes delivered by the ADNOC Onshore approved Vendor and shall keep a record of at least the serial number and the length of the delivered pipes. The Contractor shall check each pipe for all damages, however caused. Damaged pipes shall be separately stored and reported to the ADNOC Onshore/COMPANY. Repairs shall only be carried out after approval from the ADNOC Onshore/COMPANY. Contractor shall prepare a Material Receipt Report (MRR) outlining the scope of receipt, including shortage/surplus and the damaged materials on weekly basis.

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The Sub-Contractor shall be responsible for providing all labour and equipment, including the Port crane, hook and operator, required to securely offload and receive ADNOC Onshore /COMPANY supplied materials. The rate of offloading and the hours of the offloading operation and access to the Part shall be dictated by the Port Authorities and shall be acknowledged and planned by the Sub- Contractor. Any demurrage charges incurred due to Sub-Contractor being unable to maintain the rate of line pipe receipt will be charged to Sub-Contractor. Where appropriate the Contractor shall photograph any damage discovered during this inspection and same shall be addressed to client for records. Contractor shall include inspecting the pipe end caps in his scope of inspection. Damaged or removed pipe end caps shall be replaced. The pipe end caps shall be removed permanently before field welding. 9.3 CUSTODY TRANSFER TO COATING VENDOR  Bare line pipe furnished by Contractor to Coating Vendor shall be deemed to be in the custody of Coating Vendor from the time of receipt until delivery of coated line pipe to Contractor. Coating Vendor shall be responsible for unloading and loading of line pipes.  Coating Vendor shall inspect and accept responsibility for each length of line pipe immediately on receipt.  All line pipes shall be checked for bevel damage, dents, corrosion, end caps and other damage. Defects detected shall be recorded by Coating Vendor and witnessed by Contractor’s representative. Inspection of bare line pipe shall be performed after blast cleaning.

 If any damages are notified shall addressed to Client for further investigation and further action.  End caps shall be removed before the line pipe travels through the coating plant and replaced with same after the line pipe is coated.

 The Applicator QC Inspector shall ensure that individual pipes are fully traceable during and after the coating process. Identification marks stencilled on the line pipe, shall be recorded by Coating Vendor before commencement of surface preparation. Coating Vendor shall mark a unique reference number on the inside of the line pipe for tracking during coating operations. Records shall be kept identifying the sequence and time of coating and pipe Vendor identification marks shall be reapplied.  Damage caused to line pipe while in the custody of Coating Vendor shall be reported to ADNOC Onshore/COMPANY and shall be repaired by Coating Vendor to the satisfaction of ADNOC Onshore/COMPANY’s representative. The cost of such repair work and the cost of any material lost shall be borne by Coating Vendor.  At the time of handing of coated pipes from the Coating Vendor in delivery location as stated in purchase order, holiday test shall be performed on each coated pipe by Coating

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 Vendor. Damage caused to coated pipe shall be reported to Contractor and repaired by Coating Vendor in accordance with the requirements of external Pipeline coatings, and to the satisfaction of Contractor's representative. The cost of such repair work method shall be done after client approval and the cost of any material lost shall be borne by Coating Vendor.  Any repairs shall be carried out by vendor only after the approval of ADNOC Onshore/COMPANY and by ADNOC Onshore/COMPANY approved procedures.  No repair work shall proceed until a written procedure has been approved by ADNOC Onshore/COMPANY. 9.4 MATERIAL HANDLING (PIPES) The line pipe materials shall always be handled such that no damage occurs to the line pipe. Special care should be taken during handling to ensure that there is no damage to the pipe ends or pipe bevels. All lifting equipment shall be rated and certified for the anticipated loads during line pipe handling. No welding of temporary attachments to the line pipe for handling shall be permitted. Lifting operations shall be controlled to prevent the bevel ends and the pipe body from damage. Slinging arrangements shall minimize sagging or hogging of individual line pipe joints, and shall be designed to prevent abrasion damage of bundled items. Handling, including loading and unloading, shall be in accordance with Contractor approved procedures. Load out of line pipe shall occur in the presence of a Contractor inspector. The motor trucks transporting the line pipe shall be equipped with adequate pipe supports having as many round hollow beds as the number of pipe joints to be placed on the bottom of the lorry bed. Supports shall be provided for at least 10 percent of the pipe length by minimum number of three supports. These supports shall be lined with a suitable protection (rubber or equivalent) and shall be spaced in a manner that will support equal load from the pipe joints. The protection shall be free from all nails and staples where pipe joints are in contact. The second layer and all subsequent layers shall be separated from each other with adequate number of separating layers of protective material subject to Contractor approval such as nylon strings, rubber pads or equivalent, to avoid direct contact between the coated pipe joints. All stanchions of lorries/rail wagons used for transportation shall be covered by non-abrasive material like rubber belts or the equivalent. Care shall be exercised to properly cover the top of the stanchions and convex portions such as reinforcement of the truck/rail wagon body, rivets, etc., to prevent damage to the coated surface. Measures shall be taken to prevent rolling and ensure stability of line pipe storage.

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Pipeline flanges and fittings shall be stocked, checked and padded, and secured in position during transportation and during storage at pipe dumps or stringing in a manner approved by the Contractor. No personnel shall be allowed to be present on top of stocked pipe or underneath lifted pipe. Sub-Contractor shall comply with all relevant health and safety norms. All machined surfaces subject to corrosion shall be well protected by a coat of suitable protective coating material. 9.5 MATERIAL HANDLING (COATED PIPES) Coated pipes shall be handled in accordance with Vendor's instructions for handling, storage and transportation of coated pipe at all times, to avoid coating damage. Pipes shall not be dropped. End caps installed by the pipe Manufacturer shall always be re-installed after coating and before handling of the pipes. All lifting equipment’s/machineries shall be rated, colour coded, certified by ADNOC Onshore/COMPANY and certificates to be provided during line pipe handling. Pipes shall only be lifted by means of certified slings, lifting hooks or vacuum lifters, fitted with suitable spreader bars. Hooks shall be padded with soft material or equivalent to prevent damage to the bevelled ends. Wire ropes shall not be used to lift coated pipes; chains shall never be used to lift the pipes. Lifting trucks or front-end loaders shall have soft padded forks or grips to prevent damage to pipes or pipe coating. Vendor shall provide lifting procedures - optional without use of spreader bar. Coated pipes shall not be rolled or dragged over the ground. Pipes shall not be lifted in bundles without prior approval by Contractor/ ADNOC Onshore/COMPANY. When more than one pipe is lifted, separate slings or hooks shall be used for each pipe and coated pipes shall be provided with soft padding between the pipes. Pipes that are damaged during coating operation shall be repaired in accordance with the requirements of the applicable pipe specification or standard. Coating that is damaged after the holiday inspection shall be repaired in accordance with the ADNOC Onshore approved repair procedure. 9.6 HANDLING OF APPURTENANCES Flanges, fittings and other materials shall be handled and stored in a manner to preserve their condition, prevent loss and protect against any damage and theft. Flanges, fittings and other materials with finished surfaces shall be elevated to prevent contact with the ground or other corrosive surfaces. All flange faces shall be provided with suitable protector securely attached. Valves and flanges shall be stored with temporary closures over the ends.

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10. TRANSPORTATION OF LINEPIPE MATERIALS Transportation of line pipe on barges or marine vessels shall be in accordance with API RP 5LW, "Recommended Practice for Marine Transportation of Line Pipe on Barges and Marine Vessels". Transportation of line pipe on land shall be as far as applicable in accordance with API RP 5L1, “Recommended Practice for Railroad Transportation of Line Pipe". Transportation refers to the transportation of bare or coated line pipe either between coating facilities and the site or between temporary storage facilities and construction sites. Permissible number of pipe layers corresponding to each wall thickness of pipes is shown in Attachment. Contractor shall check and confirm the accuracy of calculations and ensure the integrity of both line pipe steel and line pipe coatings and include dynamic effects where applicable. Pipes shall be secured and evenly distributed during transportation by trailers. Two taglines shall be attached from different sides while loading and offloading the pipes. Special care shall be taken while securing bended pipes on the trailer. Upon receipt of line pipe, Contractor shall be responsible for packing, securing, transportation, protection, preservation, labelling and marking of all items in accordance with this specification and API RP 5L1 or API RP 5LW as applicable. A loading diagram showing the stacking arrangements, location of bearing strips, use of spacers, tie-down straps, etc., shall be furnished to Contractor for review prior to shipment. Trucks, ships and other conveyances shall be cleaned of debris or any substance that might damage the line pipe materials. During transportation, pipes shall be stacked and secured so as to prevent movement, abrasion and/or peeling. Lifting trucks or front-end loaders shall have soft padded forks or grips to prevent damage to pipes or pipe coating. Pipes shall not be lifted in bundles without prior approval by the Contractor. All lifting equipment’s to be certified as per COMPANY procedure from approved 3rd party companies for all lifting equipment, spreader bars, slings and shackles. One additional set load test certificate to be dispatched by courier to Contractor. When one more than one pipe is lifted, separate slings or hooks shall be used for each pipe, coated pipes shall be lifted as per Vendor recommendation and safety recommendations. In loading pipe on trucks, rail cars, barges, etc., each length shall be lowered to position without dropping, and each succeeding length shall rest evenly with other lengths. For pipes loaded on trucks, suitable chains with padding shall be used to tie the load securely to each bolster. Contractor shall prepare and maintain an effective Traffic & Journey Management Plan which shall deal with the safe transportation of men, material and line pipe. Contractor shall define the access points to the ROW access-working road from the public highway. Contractor shall detail the logistics of moving vehicles along any stretch of new route, specifying any one-way stretches, turning circles, return journeys and re-joining the existing roads. Trucks used for loading of pipes will be checked by Contractor prior to lifting the pipes to ensure the trucks comply with safety rules and regulations. Contractor shall maintain a regular, DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 14 OF 19 CONTRACT NO.

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documented inspection and maintenance record of all lifting and transportation equipment and vehicles. Contractor shall obtain approval from the relevant authorities to create roads from the public highway to the access-working road joining point. 10.1

BARE PIPE Pipes shall be shipped with end caps and shall be dry and free of grease. Handling of pipe in the shipping yard shall be with nylon slings or special type of end hooks with soft metal inserts or equivalent subject to Contractor approval. Trailer shipments may be made on pole trailers containing properly constructed hardwood cradles on the bolsters or on trailer floats.

10.2

COATED PIPE End caps as installed by the pipe Vendor shall always be reinstalled after coating and before handling of the pipes. During the various stages of the complete coating process, the Contractor shall ensure that all pipes shall be handled, stored and transported in such a manner that no damage is caused to the pipes and the applied coating. The pipe Vendor and/or coating Vendor shall follow approved procedures. All harmful substances, dirt, steel shot and other debris shall be removed from inside pipes before shipping. All excess coating found inside the pipes, on the cutback and bevel end of pipes shall be completely removed. Each pipe shall be supported to limit bearing pressure and avoid coating deformation and damage while pipes are in transit. There shall be no contact between adjacent coated pipes. Bolsters of all trucks, rail cars or barges used for coated pipe transportation should have a bearing surface of not less than 300 mm to give necessary support to the padding that protects the coating. Load test certificates shall be shipped with all lifting equipment, spreader bars, slings and shackles. One additional set load test certificate to be dispatched by courier to Contractor. In loading pipe on trucks, each length shall be lowered to position without dropping, and each succeeding length shall rest evenly with other lengths. For pipes loaded on trucks, suitable chains with padding shall be used to tie the load securely to each bolster. Contractor shall prepare and maintain an effective Traffic & Journey Management Plan which shall deal with the safe transportation of men, material and line pipe. Contractor shall define the access points to the ROW access-working road from the public highway. Contractor shall detail the logistics of moving vehicles along any stretch of new route, specifying any one-way stretches, turning circles, return journeys and re-joining the existing roads. Trucks used for loading of pipes will be checked by Contractor prior to lifting the pipes to ensure the trucks comply with safety rules and regulations. Contractor shall maintain a regular,

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documented inspection and maintenance record of all lifting and transportation equipment and vehicles. Contractor shall obtain approval from the relevant authorities to create roads from the public highway to the access-working road joining point.

11. PIPE PRESERVATION AND STORAGE AT SITE Sub-contractor shall establish a material handling and storage area with fencing and office and storage facilities and handling facilities for the purpose of protection, preservation and control of materials. Pipes shall be stored in designated areas. Pipes shall not be stored with other consignments or pipes for other contracts. Pipe supports shall be spaced such that no bending of pipes occurs, pipe supports shall be made of soft padded wooden bolsters or sand rows, free of stones, covered with plastic sheets. The pipe surface shall not be in contact with the soil. Piles of pipe shall be secured by wooden wedges or ground pins, provided with adequate padding to prevent coating damage, and of sufficient size to prevent collapse of the piles. Coated pipes shall be stacked using soft separators such as rubber pads as per stacking procedure. When stored outdoors, pipes shall be placed at a small angle to allow drainage of any rainwater from inside of the pipes. Pipes shall be secured by end caps at either ends, during transit and stacking. Pipe manufacturer shall supply 10% extra end caps with each lot of delivery.

12. STACKING OF PIPES When stacking the pipes, care shall be taken on the number of layers of pipe to be stacked so that the maximum weight on the bottom layer does not exceed the permissible limits. Dynamic load stress will be taken into account only in case of D/t ≥50. Hence no dynamic loads has been considered. Static load stress in marine vessels shall be calculated to minimize the possibility of fatigue damage using the API RP SLW formula:

Where:

σs = Static load 1

stress, psi

D = Overall outside Diameter of pipe, including coating thickness, inch t = Specified wall thickness, inch DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 16 OF 19 CONTRACT NO.

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DATE: 16-02-2020

n = Stacking load factor, which is the number of rows in the pipe load L = Specified length of individual pipe, ft. B = Effective number of bearing strips W =Width of bearing strips, ft. SMYS = specified minimum yield strength, MPa g =factor of 0.4 to account for possible dynamic stresses (API RP SLW) Static load stress for rail and road transportation shall be calculated to minimize possibility of fatigue damage using API 5L1 formula.

DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 17 OF 19 CONTRACT NO.

CLIENT PROJECT NO.

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DATE: 16-02-2020

13. MATERIAL INSPECTION AND REPAIR Transfer of care and custody of pipe shall pass from Vendor to Contractor as soon as loaded on Contractor's truck. Contractor shall be responsible for inspection of the pipe. A visual inspection \ holiday test shall take place before or at loading of pipe on Contractor's truck and shall be performed jointly by Contractor and Contractor's appointed Third-Party Inspector (TPI). The joint inspection shall be documented by a Material Receipt Report (MRR) to be signed off by all participants. Pipe identified as damaged shall be stored and quarantined, subject to further inspection by contractor and final inspection shall conducted by ADNOC Onshore/COMPANY.

DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 18 OF 19 CONTRACT NO.

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DATE: 16-02-2020

Acceptance and repair criteria for coated pipes shall be in line with 14.99.12.1620 “Specification for External Coating of Flow lines & above ground pipes”. Inspection of repairs shall be executed visually, by holiday testing and if required by additional specific methods. All repairs shall be notified to Contractor prior to execution. All repairs shall be executed according to Contractor/ ADNOC Onshore/COMPANY approved repair procedures. All repairs shall be documented suitably for incorporation in the pipe book. 14. DOCUMENTATION The Contractor shall keep complete accurate control records for materials received. At the end of the project Contractor shall give records for all Contractor supplied materials. The handling of inventory shall be with 1st in 1st out principal in order to minimize the time between pipe receipt and pipe laying. The storage and stacking yards shall be arranged accordingly. The Contractor shall establish and operate a material tracking procedure for materials and shall record and transfer material serial numbers and relevant data onto each sub· component of the original piece. Contractor shall compile a list of the surplus materials, indicating quantity, Inspection report, description and other details available for identification. Contractor shall be responsible for identifying and recording all damage to the line pipe materials from load out at pipe mill to unloading at pipe storage area. Contractor shall mark with an indelible crayon, or similar, all damage. The pipe number and repair number shall identify each damaged area. Contractor shall record against the unique individual line pipe materials identification number. On completion of line pipe materials inspection, immediately be passed to Contractor.

a full set of damage records shall

Inspection, marking and damage recording shall be in accordance with a Contractor /Company approved procedure. Documentation shall include but not limited to the following: 

Project Quality Plan



Project HSE Plan



Relevant Project Specifications



Inspection & Test Plan for Handling & Storage of materials

DOCUMENT TITLE: METHOD STATEMENT FOR HANDLING, TRANSPORTATION AND STOCKPILING OF LINE PIPES PAGE 19 OF 19 CONTRACT NO.

CLIENT PROJECT NO.

REV- 1

DATE: 16-02-2020