ROOFING AND CLADDING INSTALLATION PROCEDURE FOR SHELTER

1.0 PURPOSE
2.0 SCOPE
3.0 APPLICABLE DOCUMENTS
4.0 RESPONSIBILITIES
5.0 MANPOWER
6.0 TOOLS AND EQUIPMENT
7.0 METHODS/ PROCEDURE
8.0 PREPARATORY WORKS
9.0 WALL PANEL INSTALLATION
10.0 ROOF PANEL INSTALLATION
11.0 QUALITY CONTROL
12.0 SAFETY PRECAUTION
13.0 ATTACHMENT.

ROOFING AND CLADDING INSTALLATION PROCEDURE FOR SHELTER

1.0 PURPOSE

The purpose of this method statement is to provide the requirements and construction methodology or the installation works of roofing and cladding for steel structure shelter in commercial buildings, plants and refinery projects.

2.0 SCOPE

This method statement shall cover procedure for the roofing and cladding installation works  for steel structure shelter in commercial buildings, plants and refinery projects. This also includes general requirements for job specifications, quality assurance workmanship and required safety procedures for the correct implementation and completion of work.

3.0 APPLICABLE DOCUMENTS

3.1 ARAMCO project specifications and standard.

3.1.2 S-000-1139-011 Quality Plan (IK).
3.1.3 Schedule Q Saudi ARAMCO project Quality Requirements.
3.1.1 SAEP-302 Instruction for obtaining a waiver of a Mandatory Saudi ARAMCO Engineering Requirements.
3.1.4 SAIC-M-2008 Repair/ Correction of errors of structural Alignment.
3.1.5 Schedule D Safety, Health and Environmental Requirement.
3.1.6 Saudi ARAMCO Safety Requirement for scaffolds.
3.1.7 Saudi ARAMCO construction Safety Manual.

3.2 Industry Codes and Standards

3.2.1 V-2130-001-A-084-002 Vendor specification of roofing and cladding & ventilator.
3.2.2 12-SAMSS-014 Materials System Specification (Pre-engineered Metal Buildings).
3.2.3 SAER-1972 Saudi Aramco Materials Inspection and Testing.
3.2.4 SAIC-M-1033 Saudi Aramco Inspection checklist.
3.2.5 SAIC-M-1034 Saudi Aramco Inspection checklist.
3.2.6 SAIC-M-100-04 Saudi Aramco Typical Inspection plan.

3.3 Inspection and Test Plan/ Method Statement.

3.3.1 Drawing of roofing panel, cladding or side wall panel & ventilator.
3.3.2 Inspection of alignment of cladding and gable trim, eaves trim, closure trim and fixing screw and ridge panel.
3.3.3 Inspection of lapping of roof panel, side wall panel and vent panel.

4.0 RESPONSIBILITIES

4.1 Construction Manager shall be responsible for all HSE matter and to study, analyze and schedule all construction activities with his department to include manpower and equipment line up as well as other possible resources required for the successful implementation of the construction work activities. Study all aspects of work procedure as per DEC/JGC technical scope of work.
4.2 Roofing supervisor shall study and review all necessary documents for the installation works in his area to include, technical scope of work, specification, bill of quantities, planned milestone dates and construction procedure.
4.3 Roofing foreman shall be responsible for the direct work supervision at site to ensure that the work will be performed in accordance with DEC/JGC Technical Scope of work and latest approved for construction drawings. He shall monitor the availability of materials in line with his required schedule.
4.4 The Surveyor shall be responsible to check the verticality alignment of side panel to ensure that all panels are aligned.
4.5 QC Inspector shall be responsible of monitoring and inspection of the work to ensure that the work is performed in accordance with DEC/JGC Technical Scope of work and Standards.

4.6 Safety Supervisor / Officer shall be responsible in monitoring safety aspects and ensuring that the work will be done in accordance with DEC/JGC Safety Standard Procedure. He shall give reminders or advise to the workers to do the activity safety.

5.0 MANPOWER

5.1 Manpower will consist of the following, but not limited to as listed below.
5.1.1 Supervisor.
5.1.2 Foreman.
5.1.3 Tinsmith.
5.1.4 Surveyor.
5.1.5 Rod man.
5.1.6 Crane Operator (Aramco Certified).

5.1.7 Man lift Operator (Aramco Certified)
5.1.8 Scaffolder.
5.1.9 Safety Supervisor/ Officer.
5.2.0 Helpers.
5.2.1 QC Inspector.

6.0 TOOLS AND EQUIPMENT

6.1 Tools and equipment needed should be in good condition and must be checked by Engineer, Supervisor and Safety Officer prior to use in the construction area. These Includes but not limited as below.

6.1.1 Hydraulic crane/crawler crane with complete accessories.
6.1.2 Man lift.
6.1.3 Electric grinder machine.
6.1.4 Electric drill machine.
6.1.5 Auto level or level machine and total station.
6.1.6 Tag line nylon rope.
6.1.7 Reviter.

7.0 METHODS / PROCEDURE

7.1 Job site Receiving inspection

7.1.1 When unloading materials delivered to the job site, method of unloading shall be done enable to minimize damage of painted surface.
7.1.2 Unloaded roofing materials should be segregated properly according piece mark number for immediate identification.
7.1.3 Material that has damage during or after unloading shall be replaced or repaired to the original condition.

8.0 PREPARATORY WORKS.

1. Site access shall be done, and safe access for all intended site vehicles including delivery vehicle and cranes for the area. of structure where to install the roofing and side wall panels.
2. Storage and erection area location of area shall be clean, level and ready.
3. Clearing of obstructions, below ground, above ground or any overhead obstructions.
4. The structure shall be completed and all nescessary inspection shall be completed such as; Alignment inspection, bolt tightening inspection and all touch up paint for all damage paint shall be done prior to installation of roofing and sidings.
5. Using approved and latest drawings, verification of dimension, locations and alignment of roof and wall frame including the purlins and side girth, angle, and channel where the panels are supported and anchored.
6. Any unsatisfactory conditions shall be subject for rectification prior to erection of roof and wall panels.
7. Coordinate the availability of materials and accessories in accordance with the proper sequence of installation works.
8. Anticipate any obstruction or interference of installation works, position of the crane and man lift as per installation plan.
9. Man lift shall be used for the installation and alignment of side wall panels.
10. Barricade the working area and provide safety caution sign.
11. Scaffolds shall be provided with adequate and safe access to and from the work platform.

9.0 WALL PANELS INSTALLATION PROCEDURE

1. Using crane to lift the panel and place in the exact location.
2. Panel shall be aligned and fastened using manlift while wall panel are lifted by crane with (2) two manpower to perform the installation works.
3. Position the panels accurately on the steel structure frame, adjust accordingly to the final position before fix and fastening.
4. After alignment of panels, secure the panels using the fastener with the electric drill machine, fastener location shall be as shown in the vendor drawing.
5. Install the next panel in accordance with the same procedure and as per vendor specification such as; lapping of panels and location of fastener.
6. For the installation of gable trim, flashing, ventilator; please refer to the vendor drawing and specification.
7. For the required opening of roof and wall panels, filed cutting to suit, Extra care for drilling and cold cutting using cut off machine or tin snip cutter, metal fillings, drill shaving and burr shall be removed from adjacent surface prior to installation of panels.
8. Components and accessories to complete the wall panel assembly such as; closure trim, fastener, drip trim and eave trim.
9. For the installation of wall panel that cannot be reached by man lift we will use man basket.

10.0 ROOF PANELS INSTALLATION

10.1 Ensure lifelines are secured installed at rooftop, Access the rooftop through scaffolding.
10.2 Using crane for the lifting of roof panels at the rooftop, tinsmith and workers at the rooftop shall be position the panels and installed at the exact locations.
10.3 Position the panels accurately on supporting frame or structure. Adjust accordingly to final position with proper bearing before fix or fastener.
10.4 After alignment is done secure the panel using the fastener with electric drill machine with care.
10.5 Install the next roof panels in the same procedure as above, ensure the correct orientation of each panels, anticipate the requirement for the lapping, end trim, joint filler and sealant.
10.6 Install all accessories in accordance with vendor catalog, drawings and specification.
10.7 For the installation of roof panel that cannot be reached by man lift we will use man basket.

11.0 QUALITY CONTROL

11.1 QA/QC inspectors shall conduct the inspection, documentation, test, sampling and other requirements needed.
11.2 QA/QC Inspectors shall record and file all the necessary documents duly signed and approved by the company representative in all aspects of work.
11.3 Check the current status of approved FOR CONSTRUCTION DRAWING to meet the requirements of the project.

12.0 SAFETY PRECAUTION

12.1 Approved work permit should be obtained prior to start any repair works.
12.2 Work Execution shall be carried out in accordance with this method of statement.
12.3 All crew must carried out a safety risk assessment prior to start of any new activity.
12.4 The necessary manpower inclusive of supervisory staff, tools, equipment, materials, and other resources required must be available and ready to use.
12.5 Workers should wear their PPE’s always.
12.6 Good housekeeping must be maintained in the duration of works.
12. 7 Safety Supervisor/ Officer shall monitor compliance of entire working crew for the safety procedure until the work is fully completed.
12.8 Subcontractors shall make sure that all be incident and injury free.

13.0 ATTACHMENT:

► JOB SAFETY ANALYSIS