All training records will be maintained on-site for inspection, ensuring compliance with health and safety regulations.

Access and egress arrangements

All personnel involved in the gas and heating works shall utilise designated access routes to the work area, ensuring minimal disruption to existing site operations. Access points must be clearly marked and kept free from obstructions at all times to facilitate the safe movement of workers and materials.

Egress routes shall be established and maintained to ensure a swift and safe exit in case of an emergency. These routes must be clearly signposted and illuminated, particularly in areas where natural light is insufficient.

Prior to commencing work, a thorough inspection of all access and egress points will be conducted to identify any potential hazards specific to gas and heating works, such as the presence of flammable materials or confined spaces. Any identified risks must be mitigated before work begins.

During the installation of gas pipework and heating systems, temporary barriers or signage shall be employed to prevent unauthorised access to hazardous areas. This is crucial during tasks such as gas purging and connection to existing gas mains, where the risk of gas leaks is heightened.

All workers must be briefed on the specific access and egress arrangements during the site induction, with particular emphasis on the location of emergency exits and assembly points. Regular drills shall be conducted to ensure familiarity with these procedures.

In the event of any changes to the site layout or work schedule that may affect access or egress, all personnel must be promptly informed, and the method statement updated accordingly.

Welfare

All personnel involved in the gas and heating works shall have access to adequate welfare facilities throughout the duration of the project. Sanitary conveniences must be provided, including clean and well-maintained toilets with handwashing facilities equipped with hot and cold running water, soap, and drying provisions.

Rest areas shall be available for workers to take breaks, ensuring they are shielded from adverse weather conditions. These areas must be kept clean and free from any hazardous materials associated with gas and heating works.

Drinking water must be readily accessible to all workers on site, ensuring hydration is maintained during the execution of tasks such as gas purging and installation of heating systems.

Given the nature of gas and heating works, first aid facilities must be prominently located and easily accessible. A qualified first aider should be present on site at all times to address any incidents that may arise from handling gas or heating equipment.

Changing facilities should be provided for operatives who may need to change out of contaminated clothing, particularly when engaging in tasks such as power flushing of central heating systems or handling hazardous substances.

All welfare provisions must comply with the relevant health and safety regulations, ensuring that the specific needs of those engaged in gas and heating works are adequately met. Regular inspections shall be conducted to ensure that these facilities remain in good condition and are fit for purpose throughout the project.

Special permits

All personnel involved in gas and heating works must obtain the necessary Gas Safe Register certification prior to commencing any tasks. This certification ensures that individuals are competent and authorised to work with gas systems.

Before any gas purging or connection to existing gas mains, a Permit to Work must be obtained. This permit will be issued by the site manager or designated safety officer and will include:

• A detailed description of the work to be undertaken.
• Confirmation of isolation of gas supply where applicable.
• Verification of atmospheric testing for gas presence.
• Authorisation signatures from both the issuer and the operative.

For tasks involving mechanical bending of copper pipework and installation of press fit pipework, a Hot Work Permit is required if any heat-producing equipment is used. This permit will ensure:

• Adequate fire prevention measures are in place.
• Fire extinguishers are readily available.
• A fire watch is assigned during and after the completion of hot works.

When conducting power flushing of central heating systems, a Permit for Water Discharge may be necessary if waste water is to be disposed of on-site. This permit will outline:

• Approved disposal methods.
• Environmental protection measures to prevent contamination.

All permits must be reviewed and revalidated daily, or as specified by the site safety protocols, to ensure ongoing compliance with safety standards.

Tools and equipment

All tools and equipment utilised for gas and heating works must be suitable for the task and maintained in good working order. Prior to commencement, a thorough inspection of all tools and equipment shall be conducted to ensure they are free from defects. Any defective items must be immediately removed from service and reported to the site supervisor.

For tasks involving gas purging and gas connection or break into existing gas main, only tools specifically designed for gas applications, such as intrinsically safe tools, shall be employed to prevent any risk of ignition.

When performing mechanical bending of copper pipework and installation of press fit pipework and fittings, appropriate bending machines and press tools must be used. Operators must be trained and competent in the use of these machines to ensure precision and safety.

The use of hand-held models for bending pipework or conduit requires particular attention to manual handling techniques to prevent strain injuries. Operators must ensure that the equipment is used within its specified capacity limits.

During the installation of containment trays and associated fixtures and fittings, appropriate hand tools such as spanners, screwdrivers, and levels must be used. Power tools, if required, must be battery-operated to minimise trailing cables and reduce trip hazards.

For electrical heating controls, only insulated tools should be used to prevent electrical shock. All electrical equipment must be PAT tested and in compliance with current regulations.

Power flushing of central heating systems requires the use of specialised power flushing pumps. Operators must ensure that all connections are secure to prevent leaks and that the system is monitored throughout the process.

Finally, all personnel must wear appropriate Personal Protective Equipment (PPE) when operating tools and equipment, including safety goggles, gloves, and hearing protection where necessary. Regular tool box talks shall be conducted to reinforce safe working practises and address any concerns related to tool and equipment use.

Services and isolations

All gas and heating works shall commence only after a comprehensive assessment of existing services has been conducted. Prior to any intervention, all gas supplies must be identified, labelled, and isolated to prevent accidental discharge or leaks. This includes the use of appropriate lock-off devices and signage to indicate isolation status.

For tasks involving gas purging and connection or break into existing gas mains, it is imperative that only qualified Gas Safe registered engineers perform these operations. The isolation of gas services must be verified by a competent person before any work begins.

In the case of electrical heating controls, ensure that all electrical circuits are de-energised and locked off in accordance with the Electrical Safety Regulations. Verification of isolation should be documented and confirmed by a qualified electrician.

During the installation of new pipework or upgrades to existing systems, ensure that all relevant service drawings are consulted to avoid interference with other utilities. Any discrepancies must be reported immediately to the project manager.

Upon completion of works, all services must be reinstated in a controlled manner, ensuring that all connections are secure and leak-free. A thorough inspection and testing of the system should be conducted prior to re-energising any gas or electrical services.

Finally, ensure that all personnel involved in the works are briefed on the specific isolation procedures and emergency protocols related to gas and heating systems.

Hazardous substances

All personnel involved in gas and heating works must adhere to the following procedures when handling hazardous substances:

1. Identification and Assessment: Prior to commencing work, a comprehensive assessment of all hazardous substances, including natural gas and any associated chemicals, must be conducted. This includes reviewing Safety Data Sheets (SDS) for each substance.

2. Storage and Handling: All hazardous substances must be stored in accordance with the manufacturer’s guidelines and relevant legislation. Gas cylinders should be secured upright in a well-ventilated area, away from sources of ignition.

3. Use of Personal Protective Equipment (PPE): Appropriate PPE, such as flame-resistant clothing, gloves, and eye protection, must be worn when handling hazardous substances. Respiratory protection should be used if there is a risk of inhaling harmful vapours.

4. Ventilation: Ensure adequate ventilation in areas where gas purging and other activities involving hazardous substances are performed to prevent the accumulation of flammable gases.

5. Spill and Leak Procedures: In the event of a spill or leak, immediately evacuate the area and follow emergency procedures. Use appropriate spill kits to contain and clean up any hazardous substances safely.

6. Disposal: Dispose of all hazardous waste in accordance with local regulations. Ensure that waste containers are clearly labelled and that waste is transported by licenced carriers.

7. Training: All operatives must receive training on the safe handling of hazardous substances specific to gas and heating works, including emergency response procedures.

8. Monitoring: Continuous monitoring for gas leaks using appropriate detection equipment is mandatory during all phases of the project to ensure safety.

By adhering to these procedures, the risks associated with hazardous substances in gas and heating works can be effectively managed.

Deliveries and materials handling

All deliveries of materials and equipment for the gas and heating works shall be scheduled to minimise disruption and ensure safety on site. Delivery vehicles must be coordinated with the site manager to ensure they arrive during designated times, avoiding peak hours to reduce congestion and potential hazards.

Upon arrival, delivery drivers must report to the site office for induction and instructions. Materials, including copper pipework, containment trays, and gas boilers, shall be offloaded using appropriate mechanical aids such as forklifts or pallet trucks to prevent manual handling injuries. All personnel involved in unloading must wear suitable personal protective equipment (PPE), including gloves and safety boots.

Storage of materials must be in designated areas, ensuring that gas-related components are stored separately from other materials to prevent contamination or damage. Copper pipework and fittings should be stored in a dry, secure location to prevent corrosion and theft.

When handling materials on site, workers must adhere to manual handling guidelines, using team lifts or mechanical aids where necessary. Special care must be taken with press fit pipework and fittings to avoid damage that could compromise system integrity.

For the installation of gas boilers and heating systems, ensure that all components are transported carefully to their installation points, using trolleys or hoists as required. The movement of heavy items such as boilers should be planned in advance, with clear pathways and sufficient manpower.

All waste materials generated from packaging or offcuts must be collected and disposed of in accordance with the site’s waste management procedures, ensuring that the work area remains tidy and free from obstructions.

PPE

All personnel involved in gas and heating works must adhere to the following Personal Protective Equipment (PPE) procedures to ensure safety and compliance with relevant regulations:

• Flame-Resistant Clothing: Personnel must wear flame-resistant clothing to protect against potential fire hazards during gas purging and connection tasks.

• Safety Footwear: Steel-toe capped boots are mandatory to protect against heavy objects and potential punctures when handling pipework and equipment.

• Eye Protection: Safety goggles or face shields must be worn during mechanical bending of copper pipework and when using hand-held models to prevent eye injuries from flying debris or metal shavings.

• Gloves: Heat-resistant gloves are required when handling hot surfaces, particularly during domestic gas boiler upgrades and replacements, as well as during the installation of heating systems.

• Hearing Protection: Ear defenders or earplugs should be used when operating power tools or machinery that exceed safe noise levels, especially during the installation of press fit pipework and fittings.

• Respiratory Protection: When power flushing central heating systems, appropriate respiratory protection must be worn to guard against inhalation of chemical fumes or dust particles.

• High-Visibility Clothing: High-visibility vests or jackets are essential for all personnel working on-site to ensure they are easily seen by others, particularly during deliveries and material handling.

All PPE must be inspected prior to use to ensure it is in good condition and fit for purpose. Any damaged or defective equipment must be reported immediately and replaced. Compliance with these procedures is mandatory, and failure to adhere may result in disciplinary action.

Emergency procedures

In the event of an emergency during gas and heating works, the following procedures must be strictly adhered to:

1. Immediate Evacuation: Upon detection of a gas leak or any other hazardous situation, all personnel must immediately cease work and evacuate the area. Use designated escape routes and muster at the pre-determined assembly point.

2. Gas Leak Protocol: If a gas leak is suspected, do not operate electrical switches or equipment that could ignite the gas. Ensure that all gas valves are closed if it is safe to do so.

3. Emergency Services Notification: Contact emergency services by dialling 999, providing clear details of the incident, including the nature of the emergency, location, and any known hazards.

4. Gas Engineer Contact: Notify the responsible Gas Safe registered engineer immediately to assess and manage the situation. Only qualified personnel should attempt to rectify gas-related issues.

5. First Aid: Administer first aid to any injured persons if it is safe to do so. Ensure that first aiders are aware of potential gas exposure symptoms, such as dizziness or nausea.

6. Fire Safety: In case of fire, activate the nearest fire alarm and use appropriate fire extinguishers only if trained and it is safe to do so. Evacuate immediately if the fire cannot be controlled.

7. Communication: Maintain clear communication with all team members and emergency services throughout the incident. Ensure that all personnel are accounted for at the assembly point.

8. Post-Incident Review: Once the situation is under control, conduct a thorough review to identify causes and implement measures to prevent recurrence. Document findings and update risk assessments accordingly.

Adherence to these procedures is crucial to ensure the safety of all personnel involved in gas and heating works.

Safety of public and occupiers

All gas and heating works shall be conducted with the utmost regard for the safety of the public and occupiers. Access to work areas will be strictly controlled to prevent unauthorised entry. Appropriate signage and barriers will be erected to delineate work zones, ensuring that only authorised personnel are present.

Gas purging operations will be scheduled during times of minimal occupancy to reduce exposure risks. Occupiers will be informed in advance of any potential disruptions or hazards associated with these activities.

During mechanical bending of copper pipework and other pipework, care will be taken to minimise noise and vibration, thereby reducing disturbance to nearby occupiers. All equipment will be maintained in good working order to prevent accidental release of gas or other hazardous substances.

For tasks involving gas connection or break into existing gas mains, a detailed risk assessment will be conducted to identify potential hazards to the public. Emergency procedures will be established, and all personnel will be briefed on these protocols prior to commencement.

When conducting domestic gas boiler and system upgrades and replacements, occupiers will be advised to vacate the immediate area to avoid exposure to fumes or dust. Adequate ventilation will be ensured throughout the process.

Installation of electrical heating controls will be carried out with due consideration for electrical safety, ensuring that all circuits are isolated before work begins. Occupiers will be notified of any temporary loss of power.

Finally, test and commission activities will be performed with precision to ensure that all systems are safe and operational before being handed over. Any residual risks will be communicated clearly to the occupiers, along with instructions for safe operation.

Asbestos

All personnel involved in gas and heating works must be vigilant for the presence of asbestos-containing materials (ACMs) during the execution of tasks such as gas purging, installation of pipework, and domestic gas boiler upgrades. Prior to commencement, a thorough asbestos survey must be conducted by a competent person to identify any ACMs within the work area.

If ACMs are identified, the following procedures must be adhered to:

• Stop Work Immediately: Cease all activities in the affected area and inform the site manager.
• Risk Assessment: Conduct a specific risk assessment to evaluate the potential exposure to asbestos fibres.
• Notification: Notify all relevant personnel, including the client and any subcontractors, of the presence of ACMs.
• Licenced Contractor: Engage a licenced asbestos removal contractor to manage and remove the ACMs in accordance with Control of Asbestos Regulations 2012.
• Air Monitoring: Ensure air monitoring is conducted during and after removal to confirm that fibre levels are within safe limits.

During gas connection or break into existing gas mains, particular attention must be paid to any insulation or lagging materials that may contain asbestos. In the event of accidental disturbance, implement emergency procedures, including evacuation of the area and sealing off to prevent further contamination.

Training and Awareness: All operatives must receive asbestos awareness training prior to undertaking any gas and heating works. This training should cover identification of ACMs, emergency procedures, and safe working practises.

Documentation: Maintain comprehensive records of all asbestos-related activities, including surveys, risk assessments, removal works, and air monitoring results. These records must be readily available for inspection.

By adhering to these procedures, the risk of asbestos exposure during gas and heating works can be effectively managed, ensuring the safety of all personnel involved.

Monitoring

The monitoring of gas and heating works shall be conducted with utmost diligence to ensure compliance with safety standards and project specifications. Daily inspections will be carried out by the site supervisor to verify that all gas and heating installations are performed according to the approved method statement and risk assessments.

Gas detection equipment must be utilised to continuously monitor for any potential leaks during gas purging, connection, or break-in activities. The equipment should be calibrated and tested prior to use, with records maintained for audit purposes.

Pressure testing of pipework and fittings will be conducted at specified intervals to ensure integrity and prevent leaks. Results of these tests must be documented and reviewed by the project manager.

Regular audits will be performed by the health and safety advisor to ensure adherence to safety protocols, particularly during high-risk activities such as gas connection or break-in to existing gas mains. Any non-compliance identified must be addressed immediately, with corrective actions documented.

Toolbox talks will be held weekly to reinforce safety procedures and address any issues arising from the monitoring activities. Attendance and topics discussed shall be recorded.

All monitoring activities must be documented in the site logbook, with any incidents or deviations from the method statement reported promptly to the project manager for further action.

Waste management

All waste generated from the gas and heating works shall be managed in accordance with the Waste Management Plan. Segregation of waste is paramount; therefore, separate containers will be provided for different types of waste, including metal offcuts, insulation materials, and packaging.

Metal offcuts from copper and other pipework shall be collected in designated skips for recycling. It is essential that these materials are kept free from contamination to ensure they can be effectively recycled.

Insulation materials and any associated debris must be bagged and sealed to prevent the release of fibres or dust. These bags shall be disposed of in accordance with hazardous waste regulations if deemed necessary.

Packaging waste, such as cardboard and plastic from new equipment and fittings, shall be flattened and placed in recycling bins. Efforts should be made to minimise packaging waste by coordinating with suppliers to reduce excess packaging.

Old boilers and heating systems being replaced must be carefully dismantled and components separated for recycling or disposal. Any hazardous components, such as those containing asbestos or refrigerants, must be handled by qualified personnel and disposed of following specific hazardous waste procedures.

Gas purging residues must be captured and disposed of safely, ensuring no release into the environment. Appropriate containers will be used to collect any liquid or gaseous waste resulting from purging activities.

Regular inspections will be conducted to ensure compliance with waste management procedures, and records of waste disposal will be maintained for audit purposes. All personnel involved in the works will receive training on the specific waste management procedures relevant to their tasks.

Environmental considerations

All personnel involved in the gas and heating works shall adhere to the following project-specific environmental procedures:

1. Waste Management: All waste materials, including old pipework, boilers, and fittings, must be segregated and disposed of in accordance with local regulations. Particular attention should be given to the disposal of hazardous materials such as asbestos-containing components, which must be handled by licenced professionals.

2. Spill Prevention: During the installation and connection of gas systems, measures must be in place to prevent any gas leaks or spills. This includes the use of appropriate sealing techniques and regular inspection of connections. Any detected leaks must be reported immediately and rectified using approved methods.

3. Noise Control: Mechanical bending and installation activities should be scheduled to minimise noise impact on nearby residents and businesses. Use of noise-dampening equipment and adherence to working hours will help mitigate disturbances.

4. Dust Suppression: Activities such as pipe cutting and installation may generate dust. Dust suppression techniques, such as wet cutting or localised extraction, should be employed to minimise airborne particles.

5. Energy Efficiency: The installation of new heating systems and controls should prioritise energy efficiency. This includes selecting high-efficiency boilers and ensuring that all systems are properly commissioned to operate at optimal performance levels.

6. Water Management: During power flushing of central heating systems, ensure that water usage is monitored and controlled to prevent wastage. Any discharge must comply with environmental regulations to prevent contamination of local watercourses.

7. Material Selection: Where possible, select materials that have a lower environmental impact, such as recyclable copper pipework and fittings. This consideration should extend to all associated fixtures and fittings used in the project.

8. Transportation: Plan deliveries to minimise vehicle movements and reduce emissions. Encourage the use of low-emission vehicles for transportation of materials and personnel to the site.

By adhering to these procedures, the project will minimise its environmental footprint while ensuring compliance with relevant legislation and standards.

Near neighbours and nuisance

The project team shall ensure that all gas and heating works are conducted with minimal disruption to near neighbours. Communication is paramount; therefore, prior to commencement, a notification letter detailing the scope and duration of works shall be distributed to all adjacent properties.

Noise control measures will be implemented, particularly during mechanical bending and installation activities. All operatives shall utilise equipment fitted with noise-reducing features where possible, and work will be restricted to agreed hours to prevent disturbance.

Dust and debris from installation and pipework activities shall be controlled through the use of dust sheets and regular cleaning. All waste materials will be promptly removed from the site to prevent accumulation.

For gas purging and connection activities, odour control is critical. The project team shall ensure that any release of gas is managed in a manner that prevents odour nuisance, employing appropriate ventilation and ensuring all connections are secure.

In the event of any complaints from neighbours, these shall be logged and addressed promptly by the site manager, who will liaise directly with the affected parties to resolve any issues swiftly.

Traffic management plans will be in place to ensure that deliveries and site access do not obstruct local traffic or cause inconvenience to residents. All vehicles will adhere to designated routes and parking areas.

By adhering to these procedures, the project team aims to maintain a positive relationship with near neighbours and minimise any potential nuisance arising from the gas and heating works.

Occupational health

All personnel involved in gas and heating works must adhere to the following occupational health procedures to ensure their safety and well-being:

1. Exposure to Gas and Fumes:

   • Ensure that all gas purging activities are conducted in well-ventilated areas to prevent the accumulation of hazardous gases.
   • Use gas detection equipment to monitor air quality continuously during gas connection or break-in tasks.
   • Personnel must be trained in recognising symptoms of gas exposure and the immediate steps to take in such events.

2. Manual Handling:

   • When installing pipework and containment trays, employ proper lifting techniques to avoid musculoskeletal injuries.
   • Utilise mechanical aids where possible for the handling of heavy or awkwardly shaped materials.

3. Use of Tools and Equipment:

   • Ensure that all personnel are trained in the safe use of mechanical bending equipment and hand-held models for pipework.
   • Regularly inspect tools and equipment for defects before use, particularly those used for press-fit pipework installations.

4. Noise and Vibration:

   • Identify tasks that may involve significant noise or vibration, such as mechanical bending, and provide appropriate hearing protection.
   • Implement measures to minimise exposure duration to vibration when using hand-held tools.

5. Thermal Comfort:

   • During boiler upgrades and replacements, ensure that work areas are adequately ventilated to manage heat exposure.
   • Provide breaks in cooler environments if working conditions become excessively hot.

6. Chemical Exposure:

   • When power flushing central heating systems, ensure that personnel use appropriate PPE to protect against chemical exposure.
   • Store all chemicals safely and ensure that Safety Data Sheets (SDS) are readily available on-site.

7. Electrical Safety:

   • Ensure that all electrical heating controls are installed by qualified personnel to prevent electrical hazards.
   • Isolate electrical supplies before commencing work on any electrical components.

By adhering to these procedures, the risk of occupational health issues can be significantly reduced, ensuring a safer working environment for all involved in the gas and heating works.

Amendments and authorisation

All amendments to the method statement for gas and heating works must be documented and authorised prior to implementation. Any changes to the procedures, particularly those involving gas purging, connection or break into existing gas mains, and domestic gas boiler upgrades, require immediate notification to the project manager.

Authorisation Process:

1. Identify the Need for Amendment: Any team member who identifies a requirement for change must report it to the site supervisor. This includes changes due to unforeseen site conditions or updates in safety regulations.

2. Documentation: The proposed amendment must be documented in writing, detailing the specific changes and the rationale behind them. This document should include any potential impacts on safety, timelines, and resources.

3. Review and Approval: The documented amendment must be reviewed by the project manager and the health and safety advisor. Particular attention should be given to ensuring compliance with gas safety regulations and maintaining the integrity of existing gas systems.

4. Authorisation: Once reviewed, the amendment must be authorised by the project manager. For significant changes affecting gas safety, additional authorisation from a qualified gas engineer may be required.

5. Communication: All authorised amendments must be communicated to the entire project team, including subcontractors involved in gas and heating works. This ensures that everyone is aware of the new procedures and any additional safety measures.

6. Implementation: Only after authorisation and communication can the amended procedures be implemented on site.

7. Record Keeping: A record of all amendments and authorisations must be maintained as part of the project documentation. This ensures traceability and accountability for all changes made during the project lifecycle.

Note: Any unauthorised changes to procedures, especially those involving gas systems, are strictly prohibited and will result in disciplinary action.

Activities

Preparation and Setup

 

• Conduct a site survey to identify potential hazards and assess the working environment.
• Ensure all operatives have received appropriate training and hold valid certifications for gas and heating works.
• Review and understand the risk assessments and method statements relevant to the tasks.
• Verify that all necessary permits and authorisations are in place before commencing work.
• Gather and inspect all tools, equipment, and personal protective equipment (PPE) to ensure they are in good condition and suitable for the tasks.
• Establish a secure and organised work area, ensuring clear access and egress routes.
• Set up appropriate signage and barriers to delineate the work zone and inform others of ongoing activities.
• Confirm the location of all gas mains, valves, and emergency shut-off points.
• Isolate the gas supply where necessary, following proper lockout/tagout procedures.
• Ensure adequate ventilation in the work area to prevent the accumulation of gas fumes.
• Conduct a toolbox talk with all operatives to discuss the scope of work, safety measures, and emergency procedures.
• Check communication devices are operational for maintaining contact with team members and emergency services if required.
• Verify that first aid kits and fire extinguishers are readily accessible on site.
• Document all preparatory actions in accordance with company procedures before proceeding with the main tasks.

Gas Purging Procedures

 

• Ensure all personnel involved in the gas purging process are adequately trained and competent.
• Conduct a risk assessment to identify potential hazards and implement necessary control measures.
• Verify that all necessary permits and authorisations for gas purging are in place.
• Isolate the section of the gas system to be purged from the live gas supply.
• Ensure all ignition sources are removed or controlled within the vicinity of the purging area.
• Ventilate the area adequately to prevent the accumulation of gas.
• Use appropriate personal protective equipment (PPE), including flame-resistant clothing, gloves, and eye protection.
• Set up gas detection equipment to continuously monitor gas levels throughout the purging process.
• Connect purging equipment to the system, ensuring all connections are secure and leak-free.
• Gradually introduce an inert gas, such as nitrogen, into the system to displace the existing gas.
• Monitor the gas concentration levels using detection equipment until the desired level of inert gas is achieved.
• Once purging is complete, safely vent the inert gas from the system in a controlled manner.
• Re-check all connections and fittings for leaks using an appropriate leak detection method.
• Document the purging process, including gas concentration levels and any issues encountered.
• Remove all equipment and ensure the area is left clean and tidy.
• Reconnect the system to the live gas supply following successful completion of purging and leak testing.
• Conduct a final check to ensure all safety measures have been adhered to and the system is operating correctly.

Mechanical Bending of Copper Pipework

 

• Conduct a pre-work risk assessment to identify potential hazards and ensure all necessary control measures are in place.
• Ensure all operatives are wearing appropriate personal protective equipment (PPE), including safety goggles, gloves, and steel-toed boots.
• Inspect the copper pipework for any defects or damage prior to commencing work.
• Set up a designated work area, ensuring it is clear of obstructions and adequately lit.
• Secure the copper pipe in a pipe vice or similar device to prevent movement during bending.
• Select the appropriate bending tool for the diameter and thickness of the copper pipe.
• Measure and mark the desired bend location on the pipe using a permanent marker or scribe.
• Position the bending tool at the marked location, ensuring it is aligned correctly to achieve the required angle.
• Apply steady pressure to the bending tool, following the manufacturer’s instructions, to achieve the desired bend without kinking or flattening the pipe.
• Regularly check the angle of the bend with a protractor or angle gauge to ensure accuracy.
• Once the desired bend is achieved, carefully release the pressure on the bending tool and remove it from the pipe.
• Inspect the bent pipe for any signs of stress or damage, ensuring it meets the required specifications.
• Clean up the work area, disposing of any waste materials in accordance with site waste management procedures.
• Store all tools and equipment safely and securely after use.

Mechanical Bending of Pipework or Conduit

 

• Conduct a pre-work risk assessment to identify potential hazards and ensure all control measures are in place.
• Ensure all operatives are wearing appropriate personal protective equipment (PPE), including safety goggles, gloves, and steel-toed boots.
• Inspect the pipework or conduit for any defects or damage prior to commencing work.
• Set up a clear and organised workspace, ensuring adequate lighting and ventilation.
• Select the appropriate bending tool or machine for the specific type and size of pipework or conduit.
• Secure the pipework or conduit in the bending tool, ensuring it is properly aligned and clamped to prevent movement during bending.
• Refer to the manufacturer’s guidelines for the correct bending radius and angle to avoid over-bending or damaging the material.
• Operate the bending tool or machine according to the manufacturer’s instructions, applying steady pressure to achieve the desired bend.
• Regularly check the progress of the bend to ensure accuracy and make adjustments as necessary.
• Once the bend is complete, carefully release the pipework or conduit from the tool, ensuring no sudden movements that could cause injury.
• Inspect the bent pipework or conduit for any signs of stress, cracks, or deformities.
• Clean up the workspace, removing any debris or offcuts, and store tools and equipment safely.
• Report any incidents, defects, or issues encountered during the task to the site supervisor immediately.

Handheld Bending of Pipework or Conduit

 

• Conduct a pre-work risk assessment to identify potential hazards and ensure all necessary control measures are in place.
• Ensure all operatives are wearing appropriate personal protective equipment (PPE), including safety gloves, safety goggles, and steel-toed boots.
• Inspect the handheld pipe bender for any signs of damage or defects before use. Do not use if any issues are identified.
• Verify that the pipework or conduit is free from any obstructions or debris that may interfere with the bending process.
• Secure the pipework or conduit in a stable position, ensuring it is adequately supported to prevent movement during bending.
• Measure and mark the desired bend location on the pipework or conduit using a suitable marking tool.
• Position the handheld pipe bender at the marked location, ensuring it is aligned correctly for the intended bend angle.
• Apply steady and even pressure to the bender handle, gradually bending the pipework or conduit to the required angle.
• Continuously monitor the bend to ensure it remains within specified tolerances and does not exceed the material’s bending capacity.
• Once the desired bend is achieved, carefully release the pressure on the bender handle and remove the tool from the pipework or conduit.
• Inspect the bent section for any signs of kinking, cracking, or other deformities that may compromise its integrity.
• If defects are identified, assess whether corrective action can be taken or if the section needs to be replaced.
• Clean up any debris or offcuts generated during the bending process, ensuring the work area is left tidy and free from hazards.
• Store the handheld pipe bender in a designated area, ensuring it is maintained in good condition for future use.

Installation of Containment Tray

 

• Conduct a site-specific risk assessment to identify potential hazards and ensure all operatives are briefed on the findings.
• Ensure all operatives are wearing appropriate personal protective equipment (PPE), including safety helmets, gloves, and safety footwear.
• Verify that all tools and equipment required for the installation are in good working condition and have been inspected prior to use.
• Review the installation plan and confirm the location and dimensions of the containment tray as per the project specifications.
• Clear the work area of any obstructions and ensure it is clean and free from debris to prevent slips, trips, and falls.
• Mark out the installation area using appropriate marking tools to ensure accurate placement of the containment tray.
• Securely fix any necessary support brackets or hangers to the structure, ensuring they are level and properly aligned.
• Carefully lift and position the containment tray onto the support brackets, using mechanical aids or assistance from colleagues if necessary to avoid manual handling injuries.
• Secure the containment tray to the support brackets using appropriate fixings, ensuring all connections are tight and stable.
• Check the alignment and level of the installed containment tray, making adjustments as necessary to ensure compliance with design specifications.
• Inspect the installation for any sharp edges or protrusions that could pose a hazard, and address them accordingly.
• Remove any tools, equipment, and waste materials from the work area, ensuring it is left clean and tidy.
• Conduct a final inspection of the installed containment tray to ensure it meets all safety and quality standards.
• Document the completion of the task in accordance with site procedures and report any issues or deviations to the site supervisor.

Installation of Pipework

 

• Review the project specifications and drawings to understand the pipework layout and requirements.
• Conduct a site-specific risk assessment to identify potential hazards and implement control measures.
• Ensure all operatives have received appropriate training and are wearing the necessary personal protective equipment (PPE), including gloves, safety goggles, and hard hats.
• Verify that all tools and equipment required for the installation are in good working condition and have been inspected prior to use.
• Isolate any existing services in the work area to prevent accidental damage or interference during installation.
• Measure and mark the pipework routes according to the project drawings, ensuring accuracy and compliance with building regulations.
• Cut the pipework to the required lengths using appropriate cutting tools, ensuring clean and square cuts to facilitate proper jointing.
• Deburr the cut ends of the pipes to remove any sharp edges or burrs that could affect joint integrity.
• Assemble the pipework sections using the specified jointing method, such as soldering, compression fittings, or press-fit connections, ensuring all joints are secure and leak-free.
• Support the pipework adequately using brackets or hangers at regular intervals, as specified in the project documentation, to prevent sagging or movement.
• Inspect the installed pipework for alignment, ensuring it is level and follows the planned route without obstruction.
• Conduct a pressure test on the installed pipework to verify its integrity and ensure there are no leaks, following industry standards and manufacturer guidelines.
• Document the installation process, including any deviations from the original plan, and report any issues encountered during installation to the site supervisor.
• Clear the work area of any debris or waste materials generated during installation, disposing of them in accordance with site waste management procedures.
• Conduct a final inspection of the installed pipework with the site supervisor to confirm compliance with project specifications and quality standards.

Gas Connection or Break-in to Existing Gas Main

 

• Conduct a thorough risk assessment of the work area, identifying potential hazards and ensuring all necessary control measures are in place.
• Verify that all operatives involved are suitably trained and competent to perform gas connection or break-in tasks.
• Ensure all necessary permits and authorisations are obtained prior to commencing work.
• Isolate the gas supply by closing the appropriate valves and ensuring the system is depressurised.
• Use appropriate personal protective equipment (PPE), including flame-resistant clothing, safety gloves, and eye protection.
• Confirm the presence of a fire extinguisher and first aid kit on site, ensuring they are easily accessible.
• Ventilate the work area adequately to prevent the accumulation of gas.
• Employ gas detection equipment to monitor for any leaks or presence of gas throughout the task.
• Carefully expose the existing gas main using suitable excavation methods, ensuring no damage to the pipework.
• Clean the surface of the existing gas main to ensure a secure connection.
• Prepare the new pipework or fitting, ensuring it is free from defects and suitable for connection.
• Use appropriate tools and techniques to make the connection or break-in, ensuring a secure and leak-free joint.
• Conduct a pressure test on the newly connected section to verify its integrity and absence of leaks.
• Gradually reintroduce gas into the system, monitoring for any signs of leakage or irregularities.
• Once confirmed safe, restore the gas supply by opening the appropriate valves.
• Document all work completed, including any tests conducted and results obtained.
• Ensure the work area is left clean and tidy, removing any waste materials and equipment used during the task.

Domestic Gas Boiler and System Upgrades and Replacement

 

• Conduct a pre-work risk assessment to identify potential hazards and ensure all necessary permits are in place.
• Isolate the gas supply by turning off the main gas valve and confirm isolation using a gas detector.
• Disconnect the existing boiler from the gas, water, and electrical supplies, ensuring all connections are safely capped or isolated.
• Drain the central heating system to remove any residual water, using appropriate drainage points and containers.
• Remove the old boiler carefully, ensuring it is disposed of in accordance with environmental regulations.
• Inspect the existing pipework and fittings for any signs of wear or damage, replacing as necessary to ensure compatibility with the new system.
• Install the new boiler in accordance with the manufacturer’s instructions, ensuring it is securely mounted and level.
• Connect the new boiler to the gas supply, water supply, and electrical system, using appropriate fittings and ensuring all connections are secure and leak-free.
• Refill the central heating system with water, checking for leaks at all connection points.
• Purge the system of air by bleeding radiators and using automatic air vents where applicable.
• Test the gas supply for leaks using a gas leak detection spray or electronic detector, rectifying any issues immediately.
• Commission the new boiler by following the manufacturer’s commissioning procedure, including setting controls and safety devices.
• Test the entire heating system to ensure it operates correctly and efficiently, adjusting settings as necessary.
• Provide a handover to the client, including demonstrating the operation of the new system and providing all relevant documentation.
• Clean the work area, removing all tools, equipment, and waste materials, ensuring the site is left in a tidy condition.

Installation of Press Fit Pipework and Fittings

 

• Conduct a site-specific risk assessment to identify potential hazards and ensure all operatives are briefed on the findings.
• Ensure all operatives are equipped with appropriate personal protective equipment (PPE), including safety gloves, goggles, and steel-toe boots.
• Verify that all tools and equipment, including press-fit tools, are in good working condition and have been inspected prior to use.
• Review the pipework layout plan and confirm the correct type and size of pipework and fittings required for the installation.
• Measure and mark the pipework according to the layout plan, ensuring accurate measurements to avoid wastage.
• Cut the pipework to the required lengths using a suitable pipe cutter, ensuring clean and square cuts.
• Deburr the cut ends of the pipework using a deburring tool to remove any sharp edges or burrs.
• Clean the pipe ends and fittings with a suitable cleaning agent to ensure a secure and leak-free connection.
• Assemble the pipework by inserting the pipe ends into the press-fit fittings, ensuring they are fully seated.
• Use the press-fit tool to secure the fittings, following the manufacturer’s instructions for correct operation and pressure settings.
• Inspect each joint visually to ensure proper alignment and secure fitting.
• Conduct a pressure test on the installed pipework to verify the integrity of all joints and connections.
• Address any leaks or issues identified during the pressure test by re-pressing or replacing faulty fittings as necessary.
• Once testing is complete, document the installation process and test results for record-keeping purposes.
• Clear the work area of any debris or waste materials, ensuring it is left clean and tidy.
• Dispose of any waste materials in accordance with site waste management procedures and environmental regulations.

Installation of Heating System

 

• Conduct a pre-installation site survey to identify potential hazards and ensure the work area is clear and safe.
• Verify that all necessary permits and approvals are in place before commencing work.
• Ensure all operatives are equipped with appropriate personal protective equipment (PPE), including safety boots, gloves, and eye protection.
• Isolate the existing heating system and ensure all relevant services are safely disconnected.
• Review the heating system design and installation plan, ensuring all components and materials are available and meet specifications.
• Mark out the installation area, ensuring adequate space for the heating system components and compliance with manufacturer’s guidelines.
• Install the main heating unit, ensuring it is securely fixed and levelled according to the manufacturer’s instructions.
• Connect the heating unit to the existing pipework, ensuring all connections are secure and leak-free.
• Install radiators or other heat emitters in designated locations, ensuring they are securely mounted and levelled.
• Connect radiators or heat emitters to the pipework, ensuring all joints are properly sealed.
• Install any additional components such as expansion vessels, pumps, or valves as specified in the installation plan.
• Connect the heating system to the electrical supply, ensuring compliance with electrical safety standards.
• Fill the system with water and bleed radiators to remove any trapped air.
• Conduct a pressure test on the system to ensure there are no leaks and that it operates at the correct pressure.
• Test the heating system controls to ensure they function correctly and adjust settings as necessary.
• Clean up the work area, removing any debris or waste materials in accordance with site waste management procedures.
• Complete all necessary documentation, including test certificates and installation records.
• Provide a handover briefing to the client or end-user, explaining the operation and maintenance of the heating system.

Installation of Associated Fixtures and Fittings

 

• Review the project specifications and drawings to identify the required fixtures and fittings for installation.
• Conduct a site inspection to ensure the work area is clear of obstructions and hazards, and that adequate lighting is available.
• Verify that all necessary tools and equipment are available and in good working condition, including personal protective equipment (PPE) such as gloves, safety glasses, and hard hats.
• Isolate the relevant sections of the gas or heating system to prevent accidental activation during installation.
• Ensure that all fixtures and fittings are compatible with the existing system and meet the required standards and specifications.
• Mark the installation points on the pipework or structure using appropriate measuring tools to ensure accurate placement.
• Securely fix brackets or supports as required to provide adequate support for the fixtures and fittings.
• Carefully position each fixture or fitting in place, ensuring alignment with the marked installation points.
• Use appropriate tools to secure the fixtures and fittings, ensuring all connections are tight and leak-free.
• Inspect each installed fixture or fitting for proper alignment, secure attachment, and compliance with specifications.
• Reconnect any isolated sections of the gas or heating system, ensuring all connections are secure.
• Conduct a pressure test or leak test on the installed fixtures and fittings to verify integrity and safety.
• Document the installation process, including any deviations from the original plan, for future reference.
• Clean up the work area, removing any debris or waste materials, and dispose of them in accordance with site waste management procedures.
• Conduct a final inspection to ensure all installations are complete and meet safety and quality standards before leaving the site.

Electrical Heating Controls Installation

 

• Ensure all relevant permits and authorisations are obtained prior to commencing work.
• Conduct a site-specific risk assessment to identify potential hazards and implement control measures.
• Isolate the electrical supply to the area where the installation will take place, using lockout/tagout procedures to prevent accidental energisation.
• Verify the isolation of the electrical supply using appropriate testing equipment to ensure a safe working environment.
• Wear appropriate personal protective equipment (PPE), including insulated gloves and safety goggles.
• Review the manufacturer’s instructions and technical specifications for the electrical heating controls to be installed.
• Plan the layout and positioning of the controls, ensuring compliance with design specifications and accessibility for future maintenance.
• Install mounting brackets or backplates as required, ensuring they are securely fixed to the wall or surface.
• Connect wiring according to the manufacturer’s instructions, ensuring all connections are secure and correctly terminated.
• Use appropriate tools and equipment for stripping, crimping, and connecting wires to avoid damage or poor connections.
• Double-check all connections and ensure that wiring is neatly arranged and secured to prevent interference or damage.
• Re-energise the electrical supply following lockout/tagout removal procedures, ensuring all personnel are clear of the work area.
• Test the functionality of the installed controls, verifying correct operation in accordance with design specifications.
• Document any test results and adjustments made during commissioning for future reference.
• Clean up the work area, removing any debris, tools, and equipment used during installation.
• Conduct a final inspection to ensure all work is completed to a high standard and complies with relevant regulations and standards.
• Provide a handover briefing to the client or end-user, explaining the operation and maintenance requirements of the installed controls.

Power Flushing of Central Heating System

 

• Conduct a pre-flush inspection to assess the condition of the central heating system and identify any potential hazards or issues.
• Ensure all operatives are equipped with appropriate personal protective equipment (PPE), including gloves, safety goggles, and protective clothing.
• Isolate the central heating system from the power supply and ensure all controls are in the off position.
• Drain the central heating system completely using designated drain points, ensuring that all water is safely disposed of.
• Connect the power flushing machine to the central heating system at a suitable point, typically at the pump or a radiator valve.
• Fill the power flushing machine with clean water and add an appropriate chemical cleaner as per the manufacturer’s instructions.
• Begin the power flushing process by circulating the cleaning solution through the system, starting at a low flow rate to avoid any damage.
• Gradually increase the flow rate to achieve optimal cleaning, ensuring that all radiators and pipework are thoroughly flushed.
• Regularly check for leaks or any signs of damage during the flushing process and address any issues immediately.
• Reverse the flow direction periodically to dislodge any stubborn debris or sludge within the system.
• Once the flushing process is complete, drain the system again to remove all cleaning solution and debris.
• Refill the system with clean water and flush it once more to ensure all chemical residues are removed.
• Add an appropriate inhibitor to the system to prevent future corrosion and sludge build-up.
• Reconnect the central heating system to the power supply and test for proper operation, checking for leaks and ensuring all components function correctly.
• Conduct a final inspection to confirm that the system is clean, operational, and free from leaks or damage.
• Clean up the work area, ensuring all equipment is safely stored and any waste materials are disposed of in accordance with environmental regulations.

Testing and Commissioning

 

• Ensure all relevant personnel are briefed on the testing and commissioning process, including safety protocols and emergency procedures.
• Verify that all installation work is complete and conforms to the design specifications and relevant standards.
• Confirm that all necessary permits and approvals have been obtained prior to commencing testing.
• Conduct a visual inspection of the system to identify any obvious defects or issues that may affect performance or safety.
• Isolate the system from any live gas supply and ensure all valves are in the correct position for testing.
• Attach appropriate testing equipment, ensuring it is calibrated and in good working order.
• Gradually introduce an inert gas, such as nitrogen, into the system to purge any air or contaminants.
• Monitor pressure levels closely, ensuring they remain within safe limits as specified in the project documentation.
• Conduct a leak test using an approved method, such as a pressure drop test or gas detection equipment, to identify any leaks in the system.
• Rectify any identified leaks or defects before proceeding with further testing.
• Once leak-free, introduce the live gas supply gradually, monitoring pressure and flow rates to ensure they meet design specifications.
• Test all safety devices and controls to confirm they operate correctly and respond appropriately to fault conditions.
• Verify that all electrical connections and controls are functioning as intended, including thermostats and timers.
• Conduct a functional test of the entire system, ensuring it operates efficiently and effectively under normal operating conditions.
• Record all test results and observations in a commissioning report, noting any deviations from expected performance.
• Review the commissioning report with relevant stakeholders, addressing any outstanding issues or concerns.
• Provide a comprehensive handover to the client, including operation manuals, maintenance schedules, and safety information.
• Ensure the work area is left clean and tidy, with all tools and equipment safely stored away.

Cleaning Up and Finishing

 

• Ensure all tools and equipment are switched off, disconnected, and safely stored away.
• Conduct a thorough inspection of the work area to identify any remaining debris, waste materials, or potential hazards.
• Collect and dispose of all waste materials in accordance with site waste management protocols and environmental regulations.
• Clean all surfaces, including floors and workbenches, using appropriate cleaning agents and equipment.
• Check for any spills or leaks, particularly of hazardous substances, and address them using suitable spill kits or absorbent materials.
• Ensure all gas connections are securely sealed and that there are no signs of leakage.
• Verify that all electrical connections are safe and that no exposed wires are present.
• Remove any temporary barriers or signage, ensuring the area is safe for normal use.
• Conduct a final safety check to confirm that the work area is left in a clean, tidy, and hazard-free condition.
• Report any issues or concerns identified during the cleaning process to the site supervisor for further action.

Hazardous Substances

Natural Gas

Natural gas is utilised as a fuel source for heating systems and domestic appliances, providing energy for boilers and other heating equipment.

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Inhalation : Low (1)

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Who might be harmed: Construction workers | Gas engineers | Maintenance personnel

Type of harm: Asphyxia | Death | Respiratory damage / Asthma / COPD

Initial Risk: Catastrophic (5) x Probable (4) = High (20)

Controls

• Ensure adequate ventilation in work areas to disperse natural gas.
• Use gas detectors to monitor for leaks and elevated gas levels.
• Implement a permit-to-work system for tasks involving potential gas exposure.
• Provide personal protective equipment, such as respirators, if necessary.
• Conduct regular maintenance and inspection of gas equipment and pipelines.
• Train workers on emergency procedures and evacuation routes.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

Carbon Monoxide

Carbon monoxide is not intended for use; it is a hazardous by-product of incomplete combustion in gas appliances and must be carefully monitored to prevent exposure.

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Inhalation : Low (1)

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Who might be harmed: Construction workers | Site supervisors | Maintenance personnel

Type of harm: Asphyxia | Death | Respiratory damage / Asthma / COPD | Smoke Inhalation

Initial Risk: Catastrophic (5) x Occasional (3) = Medium (15)

Controls

• Ensure proper ventilation in work areas to disperse carbon monoxide.
• Install carbon monoxide detectors to provide early warning of gas presence.
• Conduct regular maintenance and inspection of gas appliances and systems.
• Use personal gas monitors to alert workers to dangerous concentrations.
• Implement emergency procedures for evacuation in case of high exposure.
• Train workers on the risks and symptoms of carbon monoxide poisoning.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

Solder Fumes

Solder fumes are an unintended by-product generated during the soldering process when joining metal components, such as copper pipes, in gas and heating works.

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Inhalation : Low (1)

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Who might be harmed: Gas and heating engineers | Plumbers | Apprentices and trainees

Type of harm: Asphyxia | Respiratory damage / Asthma / COPD | Smoke Inhalation

Initial Risk: Major (3) x Frequent (5) = Medium (15)

Controls

• Ensure adequate ventilation in the work area to disperse fumes effectively.
• Use local exhaust ventilation systems, such as fume extractors, positioned near the soldering point.
• Provide and enforce the use of appropriate respiratory protective equipment, such as masks with fume filters.
• Implement a rotation system to limit the duration of exposure for workers.
• Conduct regular air quality monitoring to ensure fume levels remain below occupational exposure limits.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

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Eye Contact : Low (1)

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Who might be harmed: Gas and heating engineers | Plumbers | Apprentices and trainees

Type of harm: Eye Damage

Initial Risk: Severe (4) x Frequent (5) = High (20)

Controls

• Ensure the use of safety goggles or face shields to prevent eye exposure to fumes.
• Implement local exhaust ventilation systems to capture and remove fumes at the source.
• Position workstations to ensure adequate distance between the worker’s face and the source of fumes.
• Provide training on proper soldering techniques to minimise fume generation.
• Encourage regular breaks to reduce prolonged exposure to solder fumes.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

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Skin Contact : Low (1)

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Who might be harmed: Gas and heating engineers | Plumbers | Apprentices and trainees

Type of harm: Dermatitis

Initial Risk: Major (3) x Frequent (5) = Medium (15)

Controls

• Wear appropriate protective gloves to prevent direct skin exposure to solder fumes.
• Use barrier creams to provide an additional layer of protection on exposed skin.
• Ensure proper ventilation to reduce the concentration of fumes in the work area.
• Implement regular skin checks and provide access to washing facilities for workers.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

Flux Residue

Flux residue is a by-product of the soldering process, used to facilitate the flow of solder by preventing oxidation on metal surfaces during gas and heating works.

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Inhalation : Low (1)

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Who might be harmed: Gas and heating engineers | Site labourers | Nearby tradespeople

Type of harm: Asphyxia | Respiratory damage / Asthma / COPD | Smoke Inhalation

Initial Risk: Severe (4) x Occasional (3) = Medium (12)

Controls

• Ensure adequate ventilation in the work area to disperse fumes.
• Use local exhaust ventilation systems to capture and remove flux fumes at the source.
• Provide workers with appropriate respiratory protective equipment, such as masks or respirators, when necessary.
• Implement a work rotation schedule to limit individual exposure time to flux fumes.
• Conduct regular air monitoring to assess the concentration of flux fumes in the work environment.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

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Eye Contact : Low (1)

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Who might be harmed: Gas and heating engineers | Plumbers | Apprentices or trainees

Type of harm: Eye Damage

Initial Risk: Major (3) x Occasional (3) = Medium (9)

Controls

• Wear safety goggles to prevent flux residue from entering the eyes.
• Ensure proper ventilation to reduce airborne flux particles.
• Use a face shield when working in close proximity to flux application.
• Implement a no-touch policy for the face and eyes during work.
• Provide eye wash stations nearby for immediate flushing in case of contact.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

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Skin Contact : Low (1)

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Who might be harmed: Gas and heating engineers | Plumbers | Apprentices and trainees

Type of harm: Dermatitis

Initial Risk: Major (3) x Probable (4) = Medium (12)

Controls

• Wear appropriate chemical-resistant gloves to prevent direct skin contact.
• Use long-sleeved clothing to minimise skin exposure to flux residue.
• Wash hands and exposed skin thoroughly after handling flux materials.
• Provide training on safe handling and disposal of flux residue.
• Ensure availability of suitable skin cleansing agents and moisturisers on site.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

Cleaning Solvents

Cleaning solvents are utilised for the removal of grease, oil, and other contaminants from pipework and fittings to ensure secure connections and optimal system performance.

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Inhalation : Low (1)

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Who might be harmed: Construction workers handling cleaning solvents | Nearby site personnel

Type of harm: Asphyxia | Death | Respiratory damage / Asthma / COPD | Smoke Inhalation

Initial Risk: Major (3) x Occasional (3) = Medium (9)

Controls

• Ensure adequate ventilation in the work area to disperse solvent vapours.
• Use appropriate respiratory protective equipment, such as masks or respirators, when necessary.
• Limit the amount of solvent used to the minimum required for the task.
• Store solvents in tightly sealed containers when not in use to prevent vapour release.
• Implement a solvent handling procedure that includes safe usage and disposal practises.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

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Eye Contact : Low (1)

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Who might be harmed: Construction workers | Maintenance personnel

Type of harm: Eye Damage

Initial Risk: Catastrophic (5) x Frequent (5) = High (25)

Controls

• Wear safety goggles or face shields to prevent solvent splashes.
• Ensure adequate ventilation to reduce solvent vapour concentration in the air.
• Use solvent applicators or dispensers to minimise splashing and direct contact.
• Provide eye wash stations nearby for immediate rinsing in case of exposure.
• Train workers on proper handling techniques to avoid accidental splashes.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

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Skin Contact : Low (1)

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Who might be harmed: Construction workers handling cleaning solvents | Maintenance personnel | Subcontractors involved in cleaning tasks

Type of harm: Dermatitis

Initial Risk: Catastrophic (5) x Probable (4) = High (20)

Controls

• Wear appropriate chemical-resistant gloves to prevent direct skin exposure.
• Use long-sleeved clothing to minimise skin contact with solvents.
• Ensure adequate ventilation to reduce solvent concentration in the air.
• Wash hands and exposed skin thoroughly after handling solvents.
• Provide access to safety data sheets for information on safe handling.
• Use barrier creams to provide an additional layer of skin protection.

Residual Risk: Minor (1) x Improbable (1) = Low (1)

Induction Record

Company name:		Project title:
Location:		Contract No:

Subject:	Method Statement : Gas and Heating Works	Tutor:
Date:		Signature:

This document has been provided as a template. By completing the section above, you take full responsibility for the use of this document.

Name	Comments	Signature	Date