METHOD STATEMENT FOR Cable tray and trunking system installation

METHOD STATEMENT FOR Cable tray and trunking system installation

• TABLE OF CONTENTS

1. SCOPE

2. definitions

3. HEALTH  AND  SAFETY

4. OPERATION

5. installation  and  fixation

6. RESPONSIBILITIES

7. MANPOWER  REQUIRED

8. MATERIALS  REQUIREMENTS

9. EQUIPMENTs  REQUIREMENTs

10. WASTE MANAGEMENT

11. SPECIAL CONTROL MEASURES.

12. SUPPORTING  DOCUMENTATION

13. DISTRIBUTION

1.SCOPE

• This procedure to clear the method of the supply, installations Cable Tray and Trunking System for the project.
• This document details the Cable Tray and Trunking System Installation :
• Preparation of work.
• Delivery and inspection upon arrival of material at site.
• Installation of the system.

2. definitions

           PQP             : Project Quality Plan

PSP              : Project Safety Plan

QCP             : Quality Control Procedure

HSE             : Health, Safety and Environment

MS               : Method Statement

ITP               : Inspection Test Plan

QA/QC         : Quality Assurance / Quality Control Engineer.

WIR              : Inspection and Test Request

MIR              : Material Verification Record.

3. HEALTH  AND  SAFETY

• Strictly followed as per the manufacturer’s Health and Safety recommendations for handling and use of the materials.
• Ensure all involved personnel shall be aware of the same.
• Specific safety measures have to follow as applicable, and all the safety measures are covered separately in the project safety plan.

4. OPERATION

• Material: 
• Material used will be as approved by the Engineer.
• The sizes and routes routing will be as per the approved Shop Drawings.
• Storage and Protection: 
• Deliver components parts to site, completely identified in accordance with shop and certified CAD Drawings prepared for this work.
• Store in accordance with the manufacturer’s instructions, above ground, properly protected from the weather and construction activities.

5. INSTALLATION  and  fixation

• Pre-Installation:
  
  
• All materials and documentation relevant to this particular section of works will be checked and verified ensuring that  these are correct and approved type.
• Prior to the commencement of works, ensure that the areas for permanent installation are ready, accessible and in suitable condition.

• Installation:

• Adhere to the drawings as closely as possible. The right is reserved to vary the runs and sizes of Cable Trays / Trunking and to make offsets but maintain as far as possible the free area of each duct work section, where necessary to accommodate conditions arising at the building.
• Before beginning installation in any area, examine all parts of the adjoining work onto which applicable work is to be placed. Should any condition be found which will prevent the proper execution of the work, installation shall not proceed in that area until such conditions are corrected by the contractor.
• Cable Tray / Trunking shall be stored on site under cover in dry, well ventilated storage facilities.
• Where sizes of Cable Trays / Trunking are not detailed on drawing then tray shall be adequately sized to support the cables without bunching and a 25% reserve margin shall be allowed in size and weight be loaded.
• All routes are chosen to allow ease of access to all cables when installed. All horizontal cables are to be set around all vertical rising services as necessary. Ensure sufficient clearance from soffit for every installation.
• Earth continuity conductors shall be provided across gaps in all Cable Tray / Trunking runs and bolted connections.
• Support shall be by means of steel brackets installed at intervals necessary to provide a rigid fixing and to ensure that deflection does not exceed 5mm mid span of support when fully loaded. Treatment of cut edges as per cut edges to be included. Supports for Tray / Trunking (spacing) shall be as per standard practice and manufacturer’s recommendations.
• Additional support shall be provided where the Cable Tray / Trunking changes direction or cables drop out of the cable tray. Dome headed bolts, nuts and washers of finish suitable to the tray shall be used between trays.
• Suspension sets comprise threaded M10 zinc or cadmium plated hanger rods together with nuts and locking washers, supports channel hold down clips all of which shall have a galvanized finish. Any cut ends supports, rods, etc, must be corrosion protected by use of galvanized or equal. No extended rods to be left.
• The cable tray shall be installed with a 40mm minimum space between the structure and the tray.
• All cable shall be securely fixed to the tray, work and the complete installation must be carried out in a neat and workmanlike manner without crossovers.
• Cables on face-up horizontally fixed tray must be secured by use of the tie wraps where not in view. If cables are bunched or single cables greater than 25sq mm are installed, cleats or metal straps shall be used.
• Technical Assistance:

• The installation supervising technician for the system trade shall instruct the CONSULTANT Engineer, and Construction Site Manager on the programming and correct operation of the system after the installation is completed.
• This instruction shall be scheduled at the convenience of the staff.
• All such instruction shall be properly recorded.
• WIR will be issued for Consultant approval upon making sure that the installation of the system equipment’s done as per approved shopdrawings and specs and manufacturer recommendations.

6. RESPONSIBILITIES

Ø  PROJECT MANAGER

1. To ensure that all the preparation and application works are carried out according to the Contract Specification and with the approved drawings.
   1. To ensure that the progressing of works is carried out according to the planned program and as per the approved method of statement.
   1. To ensure that all the equipment and material required executing the work are available according to the planned construction program.
   1. To co-ordinate with the Main contractor, MEP coordinator, Safety Officer for a safe and proper execution of the works.

Ø  SITE ENGINEER

1. To ensure that the works are carried out according to the Contract Specification, approved method statement and the shop drawings.
   1. To provide all necessary information and distribute responsibilities to his construction.
   1. To monitor the progress of work in relation with the work program and to report to the Project Manager.
   1. To co-ordinate with the safety officer and to ensure that the works are carried out in safe practicing method.

Ø  FOREMAN

1. The foreman will carry out his duties by maintaining continuous coordination with the site engineer on daily basis, and ensure proper distribution of the work force on the required and planned locations.
   1. To ensure that his assistant foreman/ charge hand are aware of the job requirements and they have enough information to carry out their duties properly.
   1. To ensure that the daily work is progressing as planned and advice the site engineer of any requirement for additional resources.
   1. To ensure in consultation with the site engineer that the manpower involved in the works are moving as agreed and planned for the work.
   1. To control disposal of waste materials according to the instructions received from the site engineer.
   1. To ensure full coordination with the safety officer to maintain safe working and proper house keeping of the site, following the proved safety measures and further ensure that all his working team are aware of the same to prevent accident and losses.
   1. To inform the site engineer regarding areas ready for inspection.
   1. Foreman and the storekeeper are responsible for the distribution and control of materials.

Ø  SAFETY ENGINEER

1. Ensure the implementation of all the safety measures in accordance with the HSE plan and everybody aware of it for it’s proper implementation.
   1. Ensure all the implemented safety measures are adequate to maintain safe working on the site.
   1. Inspect all the site activities and train the person to prevent accidents and it’s proper implementation.
   1. Ensure that the site is maintained clean and tidy.

Ø  TECHNICIAN FROM SUPPILER

1. The carrying-out of work and the proper distribution of all the available resources in coordination with the sub-contractor Site Engineer on a daily basis.
2. Daily reports of the works are achieved and coordinated for the future planning with the Site Engineer.
3. Complying with the sub-contractor basic design practices, particularly those related to safety and engineering
4. Meeting with any type of unforeseen incident or requirement and reporting the same to the Site Engineer immediately.

Ø  STORE KEEPER

1. Responsible for overall Store operations in making sure to store the material delivery to the site and keep it in suitable area that will keep the material in safe from rusty and damage.
2. One who will acknowledge the receiving of materials at site in coordination with QA/QC and concerned Engineer.

7. MANPOWER  REQUIRED

• Charge hand and Experienced Technicians

8. MATERIALS  REQUIREMENTS

• Cable Tray / Trunking System Components and Accessories

9. EQUIPMENTs  REQUIREMENTs

• The Equipment that will be engaged for Cable Tray / Trunking System  Installation will be as follows:
• Wire cutters

2. Hacksaw
3. Measuring tape
4. Drill machine
5. Wooden hammer
6. Flat file
7. Screw drivers
8. Open and box spanners
9. Base Cutter

10. WASTE MANAGEMENT

• The Rubbish which would be created from our scope of works will be disposed to the designated dumping ground.

11. SPECIAL CONTROL MEASURES

• The following general control measures against Safety, Environment and Quality shall be required for our scope of work and special control measures are not applicable for us :
• Proper PPE must be worn at all time
• Permit to work at height > 2m where applicable
• Lifting operation permit (using crane) where applicable.
• Confined space permit where applicable.
• Approved work method statement and risk assessment will be made available to site.
• All workers doing the work shall be briefed on this method statement and risk assessment.

12. SUPPORTING  DOCUMENTATION

• This method Statement should be read in conjunction with the below referenced documentations:

• ITP for Anti – termite Treatment.
• Insulation Resistance and continuity Test Report.

13. DISTRIBUTION

• Copy of this method statement shall be issued to the following for information / action / comments:

1. Project Manager
2. Site Engineer
3. Foremen
4. Safety Engineer
5. Technician From Supplier
6. Store Keeper