cms for cad welding.doc

7/27/2019 CMS FOR CAD WELDING.doc

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M. S. AL-SUWAIDI INDUSTRIAL SERVICES CO. LTD.

CONSTRUCTION METHOD STATEMENT

Ref.Number:

SIS/AR1515/CMS/E&I/004

Revision: 0

Client / Project:

SAUDI ARAMCO / WASIT LATERAL PIPE LINE TIEIN/ BERRI & KHURSANIYAH /BI-10-00914-10

Title: This Method of Statement is to be establishing a guideline detailed procedurefor the Grounding cable cad welding.

Prepared By: Name: CIHAT SAKA

Position: CONSTRUCTION MANAGER

Signature:

Date:

Reviewed By: Name: S. RAVICHANDRAN

Position: QC MANAGER

Signature:

Date:

Approved By: Name: MOHAMMED ABBAS

Position: SNR. PROJECT MANAGER

Signature:

Date:

Approved By:CLIENT

Name:

Position:

Signature:

Date:

Revision DescriptionBreak down of subject task in two phase

This Document is the property of M. S. Al-Suwaidi Industrial Services Co. Ltd. Issue

to, and use by others requires the written approval of the M. S. Al-Suwaidi HoldingCompany QA/QC Manager.

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DISTRIBUTION

This is a Controlled Issue document. Its issue to the under noted by name, date and

revision status is recorded by the Project Document Controller.

IT IS NOT TO BE COPIED

The Document Controller, upon request, can provide additional, controlled copies.

A. SIS RECIPIENTS

MOHAMMED ABBAS : Snr. Project Manager

S. RAVICHANDRAN : Project QA/QC Manager

CIHAT SAKA : Construction Manager

B. ARAMCO RECIPIENTS

SA PMT

PID

PROPONENT

C. OTHERS (Specify Company / organization)

NIL

D. ATTACHMENTS

INDEX

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1.0 Purpose ----------------------------------------- 4

2.0 Scope -------------------------------------------- 4

3.0 Responsibilities ---------------------------------- 4

4.0 Reference Documents -------------------------- 4

5.0 Safety Requirements ---------------------------- 5

6.0 General Requirement ---------------------------- 5

7.0 Work Execution Procedure And Inspection ----- 6

8.0 Sequence of work ------------------------------- 7

9.0 Work Procedure --------------------------------- 7

10.0 Coordination And Inspection -------------- 8

11.0 Site Clean-up ------------------------------ 8

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1. Purpose

The purpose of this method of statement is to establish a guideline detailed

procedure to provide safe procedure to be adopting for execution ofgrounding cable cad welding. This activity is under BI-00914-10 at BGP.

Inspection of the erected items based on as per approved work drawings.

2. Scope

This CMS is applicable for grounding cable cad welding and relevant activity.

3. Responsibilities

It is the responsibility of the Construction Manager or E&I Superintendent

as well as to his Project Electrical and Instrumentation Engineers or

Supervisors, and QC personnel assigned in the area to ensure that all E&Iworks and related activities shall be in accordance with the requirements of

this method Statement and to the Project Standards and Specification.

4. Reference Documents

4.1. DRAWING NO :

4.1.1. 470-P-RA-515048-001 GROUNDING LAYOUT4.1.2. 470-P-RA-196943-001 GROUNDING LAYOUT4.1.3. 470-P-RA-196943-002 GROUNDING LAYOUT

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4.2. SAUDI ARAMCO STANDARDS AND SPECIFICATIONS

SAES-P-104 Wiring Methods and Materials

SAES-P-111 Grounding

4.3. Codes

NEC National Electrical Code

NFPA 70 National Electrical Code

5. SAFETY

5.1 Planning

5.1.1 Ensure the worksite is free from flammable / toxic vapor or liquid by safepreparation.

5.1.2 Thermo Weld (Cad Weld) tools/ equipment to be authorized under permit towork system.

5.1.3 Keep the fire extinguishers in ready condition.

5.1.4 Permit to work Welding and Cutting.

5.1.5 Availability of work site Supervisor.

5.1.6 Company approved Thermo weld(Cad Weld) method of statement should be

available at worksite.

5.1.7 Take a hot work permit and other associated permits from asset owner.

5.2 Thermo weld (Cad Weld)

5.2.1 Ensure the thermo weld equipments (Mould, torch) are free from defect.

5.2.2 Wear proper nose mask.

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5.2.3 Wear long sleeved coverall, hand gloves, and Goggles.

5.2.4 Do not use worn or broken moulds, which could cause leakage of moltenweld metal.

For further more clarification, please refer the attached JSA.

6. GENERAL REQUIREMENTS

The SIS shall execute the work, which forms an integral part of project. Itshall provide all items, operations, and methods including labors, materials,

equipment, consumables, and other necessary item for the completion of the

work.

7. WORK EXCUTION PROCEDURE AND INSPECTION

7.1General:

7.1.1 SIS shall adhere to the data and drawings approved by SAPMT. Any doubt

or discrepancy shall be bringing to the attention of the approving authority.

7.1.2 SIS shall provide adequate supervision during execution of the work in

order to ensure satisfactory performance of the work.

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7.1.3EQUIPMENT & TOOLS REQUIREMENT:

8. SEQUENCE OF WORK:

8.1 PREPARATION:

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Sl. No Name of Equipment & Tools

Required Quantity

1.0 Cad weld mold 01

2.0 Slag removal tool 01

3.0 Mold metal sealer, Putty 01

4.0 Warp shims 01 (Roll)

5.0 Flame Resistance Blanket 01 (Roll)

6.0 Flint igniter 01

7.0 Ratcheting Cable Cutter 01

8.0 Mold Cleaning Brush 01

9.0 Card Cloth Brush 01

10.0 Metal Disks 10

11.0 Gripping Pliers 01

12.0 Screw Driver 01

13.0 Hammer 01

14.0 Metal File 01


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8.1.1 Assure all materials, tools require will be ready to near the working area.

8.1.2 Provide proper barricade around the work area.

9. WORK PROCEDURE:

9.1. Get the hot work permit properly with clearly mentions the area and

working activity.

9.2. Check and ensure the graphite mold it has not worn or broken, which couldcause leakage of molten weld metal during the reaction.

9.3. Dry the mold and the conductors. The conductors should be clean and dry

before the connection is made. Use a propane torch to dry wire conductors andremove remaining cleaning residue, solvent, or water before making the CAD

WELD connection.

9.4. Use a wire brush to further preparing the surface of the conductors. Scrapethe outer surface to remove dirt and oxidation. You will notice a slight color

change.

9.5. Insert the conductors and position them for the connection.

9.6. Close the clamp tightly once the conductors are proper positioned. Closethe handles to lock the mold.

9.7. Insert the steel disk (concave side up) into the mold. Hold the steel disk onthe side of the mold and let it slide into place.

9.8. Ensure that the steel disk is properly seated.

9.9. Take the tube of welding material included in the package and removes the

lid over the mold crucible. Quickly pour the loose welding material powder intothe mold.

9.10. Sprinkle the starting materialover the welding material and onto the lip of themold.

9.11. Close the cover and ignite.

9.12. Open the mold after the metal solidifies.

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9.13. Remove slag from mold before next connection.

10. COORDINATION AND INSPECTION:

The SIS shall maintain effective liaison to the SAPMT and Operation for propercoordination and submission of report and other documents necessary for the

execution of the work. Inspection for the work shall be done in accordance withthe procedure provided in SATIPs of the project.

11. Site Cleanup:

After completion of all, work final clean up shall immediately follow. The SIS

shall conduct clean-up work by collecting all the debris, wastes, excess soiland other materials and dispose of at the designated location.

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