METHOD STATEMENT FOR INSTALLATION OF CHILLED WATER PIPING SYSTEM
1. PURPOSE AND SCOPE
The purpose of this Method Statement is to outline the methodology to be implemented
for Chilled water piping (Above/Ground) system activities of Worker Hospital & Integrated Health Centre at Mesaieed Industrial city and to ensure that all works are carried out in accordance with the approved construction drawings and project specification.
This Method Statement covers all related Chilled water piping (Above/Ground) system
installations activities which include:
a) Chilled water piping(Supply/Return)
b) Valves,Fittings,Accessories
c) Pressure Testing
d) Identifications
e) Sleeves
2. OBJECTIVES
This document provides a method statement for chilled water piping (Above/Ground)
system in accordance with the Contract Scope of work.
The work will be carried out as per approved planning sequence of work and project schedule with adequate resources to meet target.
The methodology contains the construction procedures, the requirements of materials,
manpower, equipment and management thereof.
METHOD STATEMENT FOR INSTALLATION OF CHILLED WATER PIPING SYSTEM
1. PURPOSE
The purpose of this method statement is to define the methodology and procedures to be followed for the proper installation of the chilled water piping system in accordance with project specifications, industry standards, and safety regulations.
2. SCOPE
This method statement covers the installation of chilled water supply and return piping, including pipe routing, supports, insulation, and testing for a commercial or industrial HVAC system.
3. REFERENCES
- ASHRAE Standards
- SMACNA Standards
- ANSI/ASTM Standards for Piping Materials
- Project Drawings and Specifications
- Health & Safety Regulations
4. RESPONSIBILITIES
4.1 Project Manager
- Ensures overall project execution as per schedule and specifications.
- Coordinates with consultants and clients.
4.2 Site Engineer
- Supervises installation activities and ensures compliance with the method statement.
- Conducts quality checks and ensures corrective actions if necessary.
4.3 Quality Control Inspector
- Verifies that installation meets project quality standards.
- Conducts inspections and testing.
4.4 Safety Officer
- Ensures all safety measures and procedures are in place before and during installation.
- Conducts safety training and ensures PPE compliance.
4.5 Installation Team (Technicians & Fitters)
- Carries out pipe installation as per approved drawings.
- Ensures work is performed safely and correctly.
5. MATERIALS AND TOOLS REQUIRED
5.1 Materials
- Chilled water pipes (Carbon Steel, Copper, or HDPE based on specifications)
- Pipe fittings (elbows, tees, reducers, flanges, etc.)
- Valves (gate valves, butterfly valves, balancing valves)
- Pipe supports and brackets
- Insulation materials (preformed foam, rubber, or fiberglass)
- Sealants, gaskets, and adhesives
5.2 Tools and Equipment
- Pipe cutters and threading machine
- Welding machine (if applicable)
- Torque wrenches
- Measuring tapes and levels
- Pressure testing pump
- Insulation tools
6. INSTALLATION PROCEDURE
6.1 Pre-Installation Checks
- Verify approved shop drawings and piping layout.
- Inspect pipes and fittings for damages or defects.
- Ensure the required permits and clearances are in place.
- Confirm that necessary tools and equipment are available.
6.2 Pipe Routing and Support Installation
- Mark pipe routes as per approved layout.
- Install pipe supports at specified intervals to prevent sagging.
- Ensure proper alignment before securing the pipes.
6.3 Pipe Cutting and Preparation
- Measure and mark pipes before cutting.
- Cut pipes using an appropriate cutting tool to ensure a clean edge.
- Remove burrs and clean pipe ends before joining.
6.4 Pipe Joining Methods
For Carbon Steel Pipes:
- Welded joints shall be performed by certified welders.
- Welded joints shall be inspected for defects.
- Flanged joints shall use gaskets to ensure leak-free connections.
For Copper Pipes:
- Use brazing or soldering methods for joints.
- Ensure proper flux application to prevent corrosion.
For HDPE Pipes:
- Use butt fusion welding or electrofusion as per specifications.
- Ensure proper alignment before fusing.
6.5 Valve Installation
- Install valves in designated locations with proper orientation.
- Ensure easy accessibility for maintenance.
- Test valve operation after installation.
6.6 Flushing and Cleaning
- Flush the piping system with clean water to remove debris.
- Ensure filters and strainers are installed at designated points.
6.7 Pressure Testing
- Conduct hydrostatic pressure testing at specified pressure levels.
- Monitor for leaks and rectify if required.
- Document test results and obtain approval.
6.8 Insulation and Cladding
- Install insulation as per project requirements.
- Ensure joints are sealed to prevent condensation.
- Apply protective cladding where necessary.
7. SAFETY PRECAUTIONS
- All workers must wear PPE (helmets, gloves, safety shoes, goggles).
- Ensure proper lifting techniques for heavy pipes.
- Use scaffolding or ladders where necessary.
- Fire extinguishers should be available in hot work areas.
- Ensure proper ventilation during welding or brazing operations.
8. INSPECTION & TESTING
- Visual inspection of pipe alignment and joint quality.
- Pressure test to check for leaks and structural integrity.
- Final walkthrough and approval from the quality team.
9. DOCUMENTATION & HANDOVER
- Maintain records of material usage, test results, and inspections.
- Prepare as-built drawings if any changes were made.
- Obtain final approval from the consultant or client.
10. COMPLETION & CLEAN-UP
- Remove waste materials and debris from the site.
- Restore work areas to their original condition.
- Ensure system readiness for commissioning.
This method statement ensures a systematic approach to installing a chilled water piping system while maintaining quality and safety standards.
The work shall consist of Chilled water piping (Above/Ground) system along with accessories about the installation procedure with respect to Project specifications, QCS- 2010, Approved shop drawing and the manufacturer recommendations.
METHOD STATEMENT FOR INSTALLATION OF CHILLED WATER PIPING SYSTEM
The purpose of this Method Statement is to outline the methodology to be implemented
for Chilled water piping (Above/Ground) system activities of Worker Hospital & Integrated Health Centre at Mesaieed Industrial city and to ensure that all works are carried out in accordance with the approved construction drawings and project specification.
installations activities which include:
a) Chilled water piping(Supply/Return)
b) Valves,Fittings,Accessories
c) Pressure Testing
d) Identifications
e) Sleeves
2. OBJECTIVES
This document provides a method statement for chilled water piping (Above/Ground)
system in accordance with the
manpower, equipment and management thereof.
METHOD STATEMENT FOR INSTALLATION OF CHILLED WATER PIPING SYSTEM
1. PURPOSE
The purpose of this method statement is to define the methodology and procedures to be followed for the proper installation of the chilled water piping system in accordance with project specifications, industry standards, and safety regulations.
2. SCOPE
This method statement covers the installation of chilled water supply and return piping, including pipe routing, supports, insulation, and testing for a commercial or industrial HVAC system.
3. REFERENCES
- ASHRAE Standards
- SMACNA Standards
- ANSI/ASTM Standards for Piping Materials
- Project Drawings and Specifications
- Health & Safety Regulations
4. RESPONSIBILITIES
4.1 Project Manager
- Ensures overall project execution as per schedule and specifications.
- Coordinates with consultants and clients.
4.2 Site Engineer
- Supervises installation activities and ensures compliance with the method statement.
- Conducts quality checks and ensures corrective actions if necessary.
4.3 Quality Control Inspector
- Verifies that installation meets project quality standards.
- Conducts inspections and testing.
4.4 Safety Officer
- Ensures all safety measures and procedures are in place before and during installation.
- Conducts safety training and ensures PPE compliance.
4.5 Installation Team (Technicians & Fitters)
- Carries out pipe installation as per approved drawings.
- Ensures work is performed safely and correctly.
5. MATERIALS AND TOOLS REQUIRED
5.1 Materials
- Chilled water pipes (Carbon Steel, Copper, or HDPE based on specifications)
- Pipe fittings (elbows, tees, reducers, flanges, etc.)
- Valves (gate valves, butterfly valves, balancing valves)
- Pipe supports and brackets
- Insulation materials (preformed foam, rubber, or fiberglass)
- Sealants, gaskets, and adhesives
5.2 Tools and Equipment
- Pipe cutters and threading machine
- Welding machine (if applicable)
- Torque wrenches
- Measuring tapes and levels
- Pressure testing pump
- Insulation tools
6. INSTALLATION PROCEDURE
6.1 Pre-Installation Checks
- Verify approved shop drawings and piping layout.
- Inspect pipes and fittings for damages or defects.
- Ensure the required permits and clearances are in place.
- Confirm that necessary tools and equipment are available.
6.2 Pipe Routing and Support Installation
- Mark pipe routes as per approved layout.
- Install pipe supports at specified intervals to prevent sagging.
- Ensure proper alignment before securing the pipes.
6.3 Pipe Cutting and Preparation
- Measure and mark pipes before cutting.
- Cut pipes using an appropriate cutting tool to ensure a clean edge.
- Remove burrs and clean pipe ends before joining.
6.4 Pipe Joining Methods
For Carbon Steel Pipes:
- Welded joints shall be performed by certified welders.
- Welded joints shall be inspected for defects.
- Flanged joints shall use gaskets to ensure leak-free connections.
For Copper Pipes:
- Use brazing or soldering methods for joints.
- Ensure proper flux application to prevent corrosion.
For HDPE Pipes:
- Use butt fusion welding or electrofusion as per specifications.
- Ensure proper alignment before fusing.
6.5 Valve Installation
- Install valves in designated locations with proper orientation.
- Ensure easy accessibility for maintenance.
- Test valve operation after installation.
6.6 Flushing and Cleaning
- Flush the piping system with clean water to remove debris.
- Ensure filters and strainers are installed at designated points.
6.7 Pressure Testing
- Conduct hydrostatic pressure testing at specified pressure levels.
- Monitor for leaks and rectify if required.
- Document test results and obtain approval.
6.8 Insulation and Cladding
- Install insulation as per project requirements.
- Ensure joints are sealed to prevent condensation.
- Apply protective cladding where necessary.
7. SAFETY PRECAUTIONS
- All workers must wear PPE (helmets, gloves, safety shoes, goggles).
- Ensure proper lifting techniques for heavy pipes.
- Use scaffolding or ladders where necessary.
- Fire extinguishers should be available in hot work areas.
- Ensure proper ventilation during welding or brazing operations.
8. INSPECTION & TESTING
- Visual inspection of pipe alignment and joint quality.
- Pressure test to check for leaks and structural integrity.
- Final walkthrough and approval from the quality team.
9. DOCUMENTATION & HANDOVER
- Maintain records of material usage, test results, and inspections.
- Prepare as-built drawings if any changes were made.
- Obtain final approval from the consultant or client.
10. COMPLETION & CLEAN-UP
- Remove waste materials and debris from the site.
- Restore work areas to their original condition.
- Ensure system readiness for commissioning.
This method statement ensures a systematic approach to installing a chilled water piping system while maintaining quality and safety standards.