Method Statement : Pouring Concrete – Slabs

Explanation

Pouring concrete slabs involves the precise placement and finishing of concrete to create a stable and level surface, either at ground level or as an elevated structure supported by perimeter scaffolding. The process requires the careful pouring and raking of concrete to achieve an even distribution, followed by the use of a vibrating poker to eliminate air pockets and ensure compaction. The final step involves finishing the surface to meet specified design and quality standards, ensuring durability and functionality for its intended use. The aim of this task is to produce a structurally sound and aesthetically pleasing slab that meets all relevant safety and construction specifications.

Responsibilities

• Site Supervisor: Ensure all safety protocols are followed and oversee the entire concrete pouring process.
• Concrete Worker: Pour and level the concrete, ensuring it meets the required specifications.
• Vibrating Poker Operator: Operate the vibrating poker to remove air bubbles and ensure proper compaction of the concrete.
• Safety Officer: Monitor the site for compliance with health and safety regulations and address any hazards.
• Scaffold Inspector: Verify that the perimeter scaffold is secure and safe for use during the pouring process.
• First Aider: Provide immediate medical assistance in case of any injuries on site.

Equipment

• Concrete mixer
• Wheelbarrow
• Shovels
• Rakes
• Vibrating poker
• Screed board
• Trowels
• Bull float
• Edging tools
• Jointing tools
• Level
• Tape measure
• Hard hat
• Safety goggles
• High-visibility vest
• Gloves
• Steel-toe boots
• Hearing protection
• Dust mask or respirator

Operation

• Conduct a risk assessment to identify potential hazards specific to the site.
• Ensure all personnel have received appropriate training for the task.
• Verify that all personal protective equipment (PPE) is available and in good condition, including gloves, safety goggles, hard hats, and high-visibility clothing.
• Inspect the perimeter scaffold to ensure it is secure and compliant with safety standards.
• Confirm that all tools and equipment, including the vibrating poker, are in proper working order.
• Establish clear communication protocols among team members.
• Review the site layout and plan the concrete pour sequence to minimise risks.
• Ensure that emergency procedures are in place and understood by all personnel.
• Set up barriers and signage to restrict access to the work area for unauthorised personnel.
• Check weather conditions to ensure they are suitable for pouring concrete.
• Coordinate with the concrete delivery team to ensure the concrete is delivered to the correct location.
• Begin pouring the concrete from one end of the slab, ensuring a consistent flow.
• Use rakes or shovels to spread the concrete evenly across the slab.
• Insert the vibrating poker vertically into the concrete at regular intervals to remove air pockets and ensure proper compaction.
• Use appropriate tools such as trowels or screeds to finish the surface according to specifications.
• Apply curing compounds or cover the slab with wet coverings as required to prevent premature drying.
• Clean all tools and equipment immediately after use to prevent concrete from hardening on them.
• Dispose of any waste materials in accordance with site waste management procedures.
• Conduct a final inspection of the slab to ensure it meets all specifications and safety standards before allowing access to other trades or personnel.

Risk Assessment : Pouring Concrete – Slabs

Who might be harmed: Construction Workers | Labourers

Type of harm: Back / Spinal Injury | Broken Bones | Cuts and Abrasions | Muscular Injury

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

• Use mechanical aids such as hoists or trolleys to transport heavy materials to the work area.
• Ensure workers are trained in proper lifting techniques to minimise strain and injury.
• Plan the layout of the worksite to reduce the need for carrying materials over long distances.
• Utilise team lifting for heavy or awkward loads to distribute weight evenly among workers.
• Organise materials and tools at waist height to reduce the need for bending or reaching.

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

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Slips, Trips, and Falls : Low (1)

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Who might be harmed: Construction Workers | Site Supervisors

Type of harm: Back / Spinal Injury | Broken Bones | Cuts and Abrasions | Death | Head Injury | Multiple / Various Injury

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

• Ensure all work areas are kept clean and free from obstructions to prevent tripping hazards.
• Use non-slip footwear to provide better traction on wet surfaces.
• Clearly mark and cordon off wet concrete areas to prevent accidental entry.
• Regularly inspect and maintain scaffolding and access equipment to ensure stability.
• Provide adequate lighting in work areas to improve visibility and reduce the risk of trips.
• Implement a system for immediate clean-up of spills or excess water on site.

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

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Cement Dust : Low (1)

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Who might be harmed: Construction Workers | Site Supervisors | Nearby Tradespeople

Type of harm: Respiratory damage / Asthma / COPD

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

• Workers should wear appropriate respiratory protective equipment, such as dust masks or respirators, to prevent inhalation of cement dust.
• Ensure that cement bags are opened in a manner that minimises dust release, such as cutting them open slowly and close to the ground.
• Use water suppression methods, such as lightly spraying the area with water, to reduce airborne dust during mixing and pouring.
• Implement local exhaust ventilation systems where feasible to capture and remove dust at the source.
• Provide training to workers on the hazards of cement dust and the importance of using control measures effectively.

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 | Labourers | Concrete Finishers

Type of harm: Burns | Dermatitis

Initial Risk: Severe (4) x Probable (4) = Medium (16) Controls

• Workers should wear appropriate personal protective equipment, including gloves and long-sleeved clothing, to prevent direct contact with wet concrete.
• Barrier creams should be applied to exposed skin areas to provide an additional layer of protection against concrete exposure.
• Ensure that washing facilities with clean water and soap are readily available on site for immediate use if skin contact occurs.
• Provide training to workers on the risks of skin contact with wet concrete and the importance of using protective measures.
• Implement a system for regular inspection and maintenance of personal protective equipment to ensure its effectiveness.

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

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Noise Exposure : Low (1)

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Who might be harmed: Construction Workers | Equipment Operators | Site Supervisors

Type of harm: Permanent Hearing Damage

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

• Provide workers with appropriate hearing protection, such as earplugs or earmuffs, to reduce noise exposure from machinery.
• Ensure that all machinery and equipment are regularly maintained to minimise excessive noise levels.
• Implement a schedule to limit the duration of exposure to high noise levels by rotating tasks among workers.
• Erect noise barriers or screens around the work area to reduce the spread of noise to surrounding areas.
• Conduct regular noise assessments to monitor sound levels and ensure compliance with safety standards.

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

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Entrapment : Low (1)

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Who might be harmed: Construction Workers | Labourers

Type of harm: Asphyxia | Broken Bones | Crush / Entrapment | Death | Drowning

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

• Ensure all workers are trained in recognising and avoiding entrapment hazards specific to concrete pouring.
• Establish clear communication protocols, including the use of hand signals or radios, to coordinate movements and actions on site.
• Designate a spotter to monitor the work area for potential entrapment risks and intervene if necessary.
• Implement a permit-to-work system for confined spaces to ensure all safety measures are in place before work begins.
• Use barriers or guardrails to prevent access to areas where there is a risk of entrapment.
• Regularly inspect and maintain equipment to ensure it is functioning correctly and does not pose an entrapment risk.

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

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Struck-by Accidents : Low (1)

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Who might be harmed: Construction Workers | Equipment Operators | Delivery Personnel

Type of harm: Amputation | Back / Spinal Injury | Broken Bones | Crush / Entrapment | Cuts and Abrasions | Death | Head Injury | Multiple / Various Injury

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

• Ensure all workers wear high-visibility clothing to increase their visibility to vehicle operators.
• Establish and maintain clear communication between equipment operators and ground workers using hand signals or radios.
• Designate a spotter to guide vehicles and equipment, ensuring safe movement around the site.
• Implement exclusion zones around operating machinery to prevent unauthorised personnel from entering.
• Use barriers or fencing to separate pedestrian walkways from areas where vehicles and equipment are operating.
• Conduct regular safety briefings to remind workers of the risks and safe practises related to moving equipment.

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

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Vibration : Low (1)

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Who might be harmed: Construction Workers | Equipment Operators | Labourers

Type of harm: HAVS / Vibration White Finger

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

• Limit the duration of use for vibrating tools by rotating tasks among workers to reduce exposure time.
• Ensure all vibrating equipment is regularly maintained and serviced to minimise excessive vibration levels.
• Provide workers with anti-vibration gloves to help reduce the impact of vibration on hands and arms.
• Implement regular breaks for workers using vibrating tools to allow recovery time and reduce fatigue.
• Train workers on the correct handling and operation of vibrating equipment to minimise unnecessary vibration exposure.

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

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Scaffold Collapse : Low (1)

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Who might be harmed: Construction Workers | Scaffold Erectors | Concrete Pouring Crew

Type of harm: Back / Spinal Injury | Broken Bones | Crush / Entrapment | Death | Head Injury | Multiple / Various Injury

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

• Ensure scaffolding is erected and inspected by a competent person before use to confirm stability and safety.
• Use guardrails and toe boards on scaffolding to prevent falls and falling objects.
• Limit the number of workers on the scaffold to prevent overloading.
• Regularly inspect scaffolding for signs of damage or wear during the concrete pouring process.
• Ensure that all workers are trained in scaffold safety and aware of emergency procedures.

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

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Electrical Hazards : Low (1)

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Who might be harmed: Construction Workers | Equipment Operators | Electricians

Type of harm: Burns | Death | Electrocution

Initial Risk: Severe (4) x Probable (4) = Medium (16) Controls

• Ensure all electrical equipment is properly grounded and regularly inspected for damage before use.
• Use only waterproof and weather-resistant electrical tools and extension cords.
• Maintain a safe distance between electrical equipment and wet concrete surfaces.
• Implement a lockout/tagout system to ensure equipment is de-energised during maintenance or repair.
• Provide training for workers on recognising and avoiding electrical hazards specific to the task.
• Ensure that all electrical connections are made by a qualified electrician.

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

COSHH Assessment : Pouring Concrete – Slabs

Cement dust

Cement dust is a byproduct of handling and mixing cement, which is used as a binding agent in the concrete mixture to provide strength and durability to the slab.

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Inhalation : Low (1)

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Who might be harmed: Construction workers | Site supervisors | Nearby workers from other trades

Type of harm: Respiratory damage / Asthma / COPD

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

• Use appropriate respiratory protective equipment (RPE) such as dust masks or respirators to prevent inhalation of cement dust.
• Implement local exhaust ventilation systems to capture and remove airborne dust at the source.
• Dampen cement dust with water to minimise airborne particles during handling and mixing.
• Ensure proper storage and handling procedures to reduce dust generation.
• Conduct regular air monitoring to assess dust levels and ensure compliance with 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: Construction workers | Labourers | Equipment operators

Type of harm: Eye Damage

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

• Wear safety goggles or face shields to prevent cement dust from entering the eyes.
• Ensure eyewash stations are readily accessible in areas where cement dust is present.
• Implement dust suppression methods, such as water sprays, to minimise airborne dust.
• Provide training on proper handling techniques to reduce dust generation.

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 | Labourers | Concrete finishers

Type of harm: Burns | Dermatitis

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

• Wear long-sleeved clothing and gloves to prevent direct skin exposure.
• Use barrier creams to provide an additional protective layer on the skin.
• Wash exposed skin with soap and water immediately after contact.
• Provide access to washing facilities with running water at the worksite.
• Ensure workers are trained on the risks of skin contact with cement dust.

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

Wet concrete

Wet concrete is used to form a solid, durable slab by pouring and levelling it within a designated area, where it will cure and harden to meet structural specifications.

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Eye Contact : Low (1)

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Who might be harmed: Construction workers | Concrete finishers | Labourers

Type of harm: Eye Damage

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

• Workers should wear safety goggles to prevent splashes of wet concrete from reaching the eyes.
• Ensure eyewash stations are readily accessible on site for immediate use in case of eye contact.
• Provide training on the correct use of personal protective equipment and emergency procedures.
• Implement barriers or screens to minimise splashes during the pouring process.

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 | Concrete finishers | Labourers

Type of harm: Burns | Dermatitis

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

• Wear appropriate personal protective equipment, including waterproof gloves and long-sleeved clothing, to prevent direct skin contact with wet concrete.
• Use barrier creams on exposed skin areas to provide an additional layer of protection against wet concrete.
• Ensure immediate access to clean water and washing facilities for rinsing off any wet concrete that comes into contact with the skin.
• Implement training for workers on the risks of skin contact with wet concrete and the importance of using protective measures.
• Regularly inspect and maintain personal protective equipment to ensure its effectiveness in preventing skin contact with wet concrete.

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

Silica dust

Silica dust is not intentionally used in the process; it is a byproduct generated when cutting, grinding, or drilling concrete, posing a significant health risk to workers.

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Inhalation : Low (1)

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Who might be harmed: Construction workers | Site supervisors | Nearby tradespeople

Type of harm: Asbestosis / Lung Cancer / Mesothelioma | Respiratory damage / Asthma / COPD

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

• Use water suppression techniques to minimise airborne silica dust during work.
• Ensure workers wear appropriate respiratory protective equipment, such as P3 masks.
• Implement local exhaust ventilation systems to capture and remove dust at the source.
• Conduct regular air monitoring to assess silica dust levels on site.
• Provide training on safe work practises and the risks of silica exposure.

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

Toolbox Talk : Pouring Concrete – Slabs

Introduction

Pouring concrete slabs involves the precise placement and finishing of concrete to create a stable and level surface, either at ground level or as an elevated structure supported by perimeter scaffolding. The process requires the careful pouring and raking of concrete to achieve an even distribution, followed by the use of a vibrating poker to eliminate air pockets and ensure compaction. The final step involves finishing the surface to meet specified design and quality standards, ensuring durability and functionality for its intended use. The aim of this task is to produce a structurally sound and aesthetically pleasing slab that meets all relevant safety and construction specifications.

Hazards

Pouring concrete for slabs presents several hazards that must be carefully managed to ensure the safety of all personnel involved. Manual handling of heavy materials and equipment poses a risk of musculoskeletal injuries. The presence of wet and uneven surfaces increases the likelihood of slips, trips, and falls. Exposure to cement dust can lead to respiratory issues, while direct contact with wet concrete may cause skin irritation or chemical burns. The use of vibrating pokers and other machinery introduces noise hazards and potential for hand-arm vibration syndrome. Additionally, there is a risk of entrapment or engulfment in the concrete, particularly when working in confined spaces or near edges without adequate fall protection. Struck-by incidents from moving vehicles or equipment on site also present significant dangers that require vigilant attention and control measures.

Pouring Concrete – Slabs : Rules

• Do conduct a risk assessment prior to commencing work.
• Do ensure all personnel are wearing appropriate personal protective equipment (PPE), including gloves, safety goggles, and dust masks.
• Do provide adequate training for all workers involved in the concrete pouring process.
• Do maintain clear communication among team members, especially when operating machinery.
• Do ensure that the work area is well-lit and free from unnecessary obstructions.
• Do use proper lifting techniques to avoid manual handling injuries.
• Do regularly inspect and maintain all equipment, including vibrating pokers and mixers.
• Do establish a safe perimeter around the work area to prevent unauthorised access.
• Do ensure that scaffolding is properly erected and inspected before use.
• Do monitor weather conditions and adjust work plans accordingly to ensure safety.
• Do have a first aid kit readily available on site and ensure personnel are trained in its use.
• Do wash skin immediately if it comes into contact with wet concrete to prevent irritation or burns.

Pouring Concrete – Slabs : Warnings

• Do not lift heavy bags of concrete or equipment without proper manual handling techniques.
• Do not work on wet or uneven surfaces without appropriate footwear to prevent slips and trips.
• Do not neglect wearing personal protective equipment (PPE) such as gloves, goggles, and masks.
• Do not allow skin contact with wet concrete without protective clothing to prevent irritation or burns.
• Do not operate machinery, such as vibrating pokers, without proper training and understanding of the equipment.
• Do not ignore the need for hearing protection when working near loud machinery.
• Do not work in confined spaces without ensuring proper ventilation and safety measures are in place.
• Do not position oneself under suspended loads or near moving vehicles and equipment.
• Do not leave tools or materials in walkways where they could cause trips or falls.
• Do not proceed with tasks without first conducting a risk assessment and ensuring all safety protocols are understood and followed.

Induction Record

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