INSTALLATION OF SHIMMING PLATE FOR HANGING PIPE SUPPORTS

1.0 PURPOSE
2.0 SCOPE
3.0 APPLICABLE DOCUMENTS
4.0 RESPONSIBILITY
5.0 MANPOWER
6.0 TOOLS & EQUIPMENT
7.0 METHODS/PROCEDURES
8.0 QUALITY CONTROL
9.0 SAFETY PRECAUTION
10.0 ATTACHMENTS.

1.0 PURPOSE

1.1 This method statement shall provide JGCIDAEWO E&C minimum guidelines to carry out the installation of shimming plate for hanging pipe supports for plants and refinery projects to ensure that the work is carried out in accordance with Project Drawings and Project Specifications.

2.0 SCOPE

2.1 This method statement will cover the installation of shimming plate for hanging pipe supports at plants and refinery projects.

3.0 APPLICABLE DOCUMENTS

3.1 ARAMCO Project Specification and Standards.
3.1.1 SAEP-302 Instruction for Obtaining a Waiver of a Mandatory Saudi ARAMCO Engineering Requirements.
3.1.2 SAES-M-001 Structural Design for Non-Building Structure.
3.1.3 SAES-L-310 Design of Plant Piping.
3.1.4 12-SAMSS-007 Fabrication of Structural and Miscellaneous Steel.
3.1.5 12-SAMSS-008 Erection of Structural and Miscellaneous Steel.
3.1.6 SCHEDULE Q Saudi ARAMCO Project Quality Requirements.
3.1.7 Saudi ARAMCO Construction Safety Manual.

3.2 Industry Codes and Standards

3.2.1 AWS D1.1 Structural Welding Code
3.3 Inspection and Test Plan
3.3.1 SATIP-M-001-01 Structural Steel for Pipe rack, Steel Supports & Miscellaneous Steel Structures

4.0 RESPONSIBILITY

4.1 Construction Manager is responsible for implementing HSE and shall study, analyze and schedule all construction activities with his department to include manpower and equipment line up as well as other construction work activities. Study all aspects of work procedure as per Saudi Aramco Project Standards and Specification.

4.2 Piping Supervisor shall study and review all necessary documents for the rectification works in his area. He shall monitor the availability of materials in accordance with the schedules and construction analysis.
He shall be directly reporting to the Construction Manager. He shall coordinate with other discipline to visualize possible conflicts in the
drawings as well as in the schedules to provide other options in preventing unnecessary delays obstructions.
4.3 Piping Foreman shall be responsible for the direct work supervision at site and ensure that the work is performed safely. He shall monitor the activity.
4.4 QC Inspector shall be responsible in monitoring and inspection of the work and ensure that the work is performed in accordance with Saudi Aramco Project Standards and Specification.
4.5 Safety Engineer/Supervisor shall be responsible in monitoring safety aspects and ensuring that the work is done in accordance with Safety Standard Procedure/ Saudi Aramco Construction Safety Manual. He shall discuss to the field supervisor’s the characteristics of related materials and status of work area giving reminders as an additional point to work safely.

5.0 MANPOWER

5.1 Manpower will consist of the following, but not limited to as listed to as below:
• Piping Supervisor
• Piping Foreman
• Pipe fitters
• Helper / Fire watcher
• Welder
• Surveyor
• Safety Engineer/Supervisor
• QC Inspector

6.0 TOOLS AND EQUIPMENT

6.1 Tools and equipment needed should be in good condition and must be checked by Piping
Supervisor/ Safety Officer prior to use in the good condition area. These includes but not limited as below:

• Vertical Grinder
• Steel Brush
• Auto Level
• Total Station
• Welding Machine

7.0 METHODS/ PROCEDURES INSTALLATION OF SHIMMING PLATE FOR HANGING PIPE SUPPORTS

7.1 Preparation Works

7.1.1 Secure work permit from JGC/Daewoo concerned personnel prior to start of work/activity.
7.1.2 Prepare all materials, tools and equipment needed for the job.
7.1.3 Verify supports elevation.

7.2 Installation Procedure

7.2.1 Verify pipe supports needed to shim. Prepare shim plate required on each support.
7.2.2 For pipe shoe type with guide, refer to attachment B for illustration.
7.2.3 For bare pipe with guide, refer to attachment C for illustration.
7.2.4 Welding process will be done as per approved welding procedure.
7.2.5 After welding of shimming plate, touch-up paint shall be done to all damaged paint, refer to S-000-13A0-001 for touch-up painting activities.

7.3 General Quality Requirements

7.3.1 The Material of shim plates shall be ASTM A36 (ref. 12-SAMSS-007 para. 4.2).
7.3.2 Shim plates painting shall be follow procedure, refer to S-000-13AO-001 table A Substrate No. 3.1 and 3.2

8.0 QUALITY CONTROL

8.1 Sub-Contractor QC Inspector will be present at site during the activity to ensure that the activity will not generate stress on the structure.
8.2 Sub-Contractor Inspector will produce all the documents attesting to the acceptability of the works and submits to JGC/DAEWOO.
8.3 Sub-Contractor Inspector has to utilize the applicable SATIP’s & SAIC’s for every activity.

9.0 SAFETY PRECAUTION

9.1 Approved work permit should be obtained to concerned personnel prior to the start any activities.
9 .2 Work execution shall be carried out in accordance with this method of statement.
9.3 The necessary manpower inclusive of supervisory staff, tools, equipment, materials, and other resources required must be made available and ready to use.
9.4 During the activity, closely supervision shall be done by field supervisor.

9.5 All workers shall wear as a minimum PPE required below.
Safety Helmet
Safety glasses
Safety Shoes
Gloves

9.6 Sufficient lightings shall be provided if work is done at night time or at dark areas. Work at night shall be approved by client.
9. 7 Good housekeeping must be maintained in the duration of works.
9.8 Safety Supervisor/Engineer shall monitor compliance of entire working crew to safety procedure until the work is fully completed.
9.9 Sub-contractor shall make sure that all shall be incident and injury free.

10.0 ATTACHMENTS

Attachment A – Job Hazard and Risk Assessment (JHRA)
Attachment B – Typical Shimming Method for Pipe Shoe with guide
Attachment C – Typical Shimming Method for Bare pipe with guide