RAMS : Gabion Baskets

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Company name:
Project title:
Location:
Contract No:
   
Task:Installation of Gabion Baskets.
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Assessment carried out by:
Date:
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Safe Operating Procedure

Introduction

Introduction:
The following Standard Operating Procedure (SOP) provides a set of step-by-step instructions for the installation of gabion baskets. Gabion baskets are widely used in various construction projects due to their versatility and effectiveness in stabilizing slopes, controlling erosion, and retaining sediment. This SOP aims to ensure that the installation process is carried out efficiently, accurately, and safely, adhering to industry best practices and regulatory requirements. By following these guidelines, workers will be able to achieve consistent and high-quality installations, minimizing the risk of errors or accidents.

Scope

Scope:
This Standard Operating Procedure (SOP) applies to all employees involved in the installation of gabion baskets at [Company Name]. The SOP outlines the step-by-step instructions to be followed for the safe and efficient installation of gabion baskets. It encompasses all activities from initial site preparation to final inspection and ensures consistent and quality workmanship in accordance with industry standards and regulations.

Definitions

  • Gabion Basket: A gabion basket refers to the empty wire mesh container that is filled with stones to form a gabion structure.
  • Geotextile: A geotextile is a permeable textile material that is placed between the gabion basket and the surrounding soil to prevent soil erosion and facilitate proper drainage.
  • Backfill: Backfill refers to the soil or material used to fill the space behind and around the gabion basket.
  • Toe: The toe is the bottom edge of the gabion structure that is in contact with the ground or foundation.
  • Face: The face of the gabion refers to the exposed surface of the structure.
  • Capping: Capping refers to the process of placing a layer of stones or concrete on the top of the gabion structure to provide stability and aesthetic finish.
  • Tie Wire: Tie wire is a thin, malleable wire used to secure the edges and joints of the gabion baskets together during installation.
  • Reinforced Soil: Reinforced soil is a technique where soil is reinforced with layers of geotextiles or geogrids to enhance its strength and stability.
  • Foundation: The foundation refers to the stable ground or surface upon which the gabion structure is built or anchored.

Responsibilities

  • Installer: Responsible for physically installing the gabion baskets according to the specified guidelines and instructions.
  • Supervisor: Responsible for overseeing the installation process, ensuring compliance with safety regulations, and providing guidance and support to the installers.
  • Site Manager: Responsible for coordinating the installation project, arranging necessary resources and equipment, and ensuring that the installation is executed within the designated timeframe.

Equipment

  • Wire cutters
  • Pliers
  • Tensioning tools
  • Crowbar
  • Shovel
  • Rake
  • Level
  • Measuring tape
  • Hammer
  • Gabion baskets (appropriate size and quantity)
  • Geotextile fabric
  • Galvanized steel wire
  • Concrete or rubble for gabion filling
  • Hard hat
  • Safety goggles
  • Ear protection (if working with noisy equipment)
  • Gloves (heavy-duty, non-slip)
  • Steel-toed boots
  • High-visibility vest or clothing
  • Note: The specific tools, equipment, and PPE required may vary depending on the specific installation method and site conditions. Always refer to manufacturer guidelines and local safety regulations.

Risk Assessment

  • Falling objects
  • Tripping and slipping hazards
  • Manual handling injuries
  • Exposure to sharp edges and protrusions
  • Hazardous weather conditions
  • Equipment malfunctions
  • Noise hazards
  • Working at heights
  • Inhalation of dust and debris
  • Contact with hazardous materials

Pre-Operation

  • Confirm that the site is properly prepared and any necessary permits or approvals have been obtained.
  • Ensure that you have the correct number of gabion baskets and any necessary additional materials (e.g. mesh, connectors, geotextile fabric) readily available.
  • Conduct a thorough safety assessment of the installation site, identifying any potential hazards or risks.
  • Verify that all necessary Personal Protective Equipment (PPE) is available and is properly worn by all workers involved in the installation process.
  • Check that all tools and equipment required for the installation are in good working condition.
  • Ensure that necessary machinery, such as cranes or excavators, are properly maintained, inspected, and operated by qualified personnel.
  • Communicate with the project team to ensure everyone involved is aware of their role and responsibilities during the installation process.
  • Refer to the installation plan or design drawings to familiarize yourself with the layout and positioning of the gabion baskets.
  • Evaluate if any adjustments need to be made to the installation plan based on site conditions.
  • Provide a detailed briefing to the installation team about the installation process, safety protocols, and any specific instructions or considerations for the project.
  • Allow for any clarifications or questions from the installation team before commencing the installation.

Operation

  • Gather all the necessary equipment and materials required for the installation of gabion baskets, such as gabion baskets, wire mesh, stones or rocks, geotextile fabric, and tools like wire cutters and pliers.
  • Lay the geotextile fabric on the prepared ground, ensuring complete coverage of the installation area. This fabric will prevent soil erosion and provide a stable base for the gabion baskets.
  • Assemble the gabion baskets following the manufacturer’s instructions. Connect the panels with wire spirals or hog rings, ensuring a secure and tight fit.
  • Place the first gabion basket onto the geotextile fabric, aligning it with the desired position. Make sure the base of the basket is firmly in contact with the fabric.
  • Fill the gabion basket with stones or rocks using an excavator, starting from the corners and working towards the center. Ensure even distribution of the fill material, packing it tightly to provide stability.
  • If required by the design, install internal bracing wires or tie rods to reinforce the gabion basket structure. Follow the manufacturer’s guidelines for proper installation and tensioning.
  • Repeat the process for the remaining gabion baskets, connecting them securely to the previously installed baskets. Align the baskets to achieve the desired shape and contour.
  • Inspect the installed gabion baskets for any loose wires or gaps. Adjust and tighten connections as necessary. Ensure that all baskets are securely fastened and aligned.
  • Clean up the installation area, removing any excess materials or debris. Dispose of waste materials according to the regulations and guidelines set by local authorities.
  • Document the completed installation, including photographs and detailed records of the installed gabion baskets for future reference or inspection purposes.

Post-Operation

  • Inspect the installed gabion baskets for any visible damage or defects.
  • Ensure that the gabion baskets are securely fastened and properly aligned.
  • Verify that the specified number and size of gabion baskets have been correctly installed.
  • Confirm that the mesh panels of the gabion baskets are tightly woven and free from any protruding wires.
  • Check that the stone fill material is evenly distributed and properly contained within the gabion baskets.
  • Inspect the perimeter of the gabion installation for any gaps or areas of weakness.
  • Verify that appropriate drainage measures, such as weep holes or outlets, have been provided to prevent water build-up.
  • Ensure that the gabion structure is stable and has not shifted or settled unevenly.
  • Conduct a final visual inspection to ensure that the gabion baskets are visually appealing and comply with project specifications.

Safety Precaution Dos

  • DO wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots.
  • DO inspect gabion baskets for any defects or damage before installation.
  • DO ensure that the installation area is clear of any debris, obstacles, or hazardous materials.
  • DO follow proper lifting techniques when handling gabion baskets to prevent strain or injury.
  • DO use appropriate lifting equipment, such as cranes or excavators, when necessary, to safely move and position gabion baskets.
  • DO secure the gabion baskets in place to prevent them from shifting during installation.
  • DO pay attention to weather conditions, such as strong winds or heavy rain, that may affect the stability of the gabion baskets and postpone installation if necessary.
  • DO communicate and coordinate with other workers on the site to maintain a safe working environment and prevent accidents.
  • DO follow all relevant health and safety regulations and guidelines when performing the installation of gabion baskets.
  • DO report any safety concerns or incidents to the appropriate personnel immediately.

Safety Precaution Donts

  • Don’t attempt to install gabion baskets without proper training and certification.
  • Don’t install gabion baskets in areas with unstable or unsuitable ground conditions.
  • Don’t ignore weather conditions that may affect installation, such as heavy rain, strong winds, or extreme temperatures.
  • Don’t use damaged or defective gabion baskets for installation.
  • Don’t overload gabion baskets beyond their recommended weight capacity.
  • Don’t allow workers to stand or work directly beneath the gabion baskets during installation.
  • Don’t install gabion baskets without proper personal protective equipment (PPE), including gloves, safety glasses, and sturdy footwear.
  • Don’t use improper or damaged tools for installation.
  • Don’t operate machinery or equipment near the gabion baskets without proper training and authorization.
  • Don’t leave any loose or protruding wires on the gabion baskets that may cause injury to workers or others in the vicinity.

Maintenance

  • Maintenance of Gabion Baskets is not required.

Emergency Procedures

  • Follow the site-wide emergency procedures.

Risk Assessment

Falling objects
Initial Risk

Severity
Severe

Probability
Occasional

Rating
Medium
Who might be harmed?

  • Workers
  • Construction workers
  • Contractors
  • Supervisors
  • Visitors

Type of harm

  • Head injury
  • Neck injury
  • Spinal injury
  • Concussion
  • Fractures

Controls

  • Personal protective equipment (PPE)
  • Safety barriers and signage
  • Secure storage of materials and tools
  • Regular inspection and maintenance of overhead structures
  • Safe work procedures and training
  • Monitoring and enforcement of safety protocols

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Tripping and slipping hazards
Initial Risk

Severity
Major

Probability
Frequent

Rating
Medium
Who might be harmed?

  • Workers
  • Site visitors
  • Contractors
  • Inspectors
  • Supervisors

Type of harm

  • Fractures
  • Sprains and strains
  • Head injuries
  • Back injuries
  • Contusions or bruising

Controls

  • Keep work areas clean and free from clutter.
  • Regularly inspect and maintain walking surfaces for any defects or hazards.
  • Provide adequate lighting in work areas.
  • Use non-slip flooring or apply anti-slip coatings.
  • Implement proper housekeeping practices to prevent spills and debris accumulation.
  • Provide and enforce the use of appropriate Personal Protective Equipment (PPE), such as slip-resistant footwear.

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Manual handling injuries
Initial Risk

Severity
Severe

Probability
Frequent

Rating
High
Who might be harmed?

  • Workers
  • Contractors
  • Visitors
  • Supervisors
  • Maintenance personnel

Type of harm

  • Back strain or sprain
  • Muscle strains and tears
  • Herniated discs
  • Shoulder and neck injuries
  • Fractures or dislocations

Controls

  • Provide manual handling training to all employees.
  • Use mechanical aids, such as trolleys or hoists, to assist with lifting and carrying heavy objects.
  • Ensure that proper ergonomics are in place, such as adjustable workstations and equipment, to reduce strain on the body.
  • Conduct regular risk assessments to identify and address potential manual handling hazards.
  • Implement safe manual handling techniques, such as bending the knees and keeping the back straight when lifting.
  • Encourage employees to take regular breaks and rotate tasks to avoid prolonged or repetitive manual handling activities.

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Exposure to sharp edges and protrusions
Initial Risk

Severity
Major

Probability
Occasional

Rating
Medium
Who might be harmed?

  • Workers
  • Supervisors
  • Inspectors
  • Maintenance personnel
  • Visitors

Type of harm

  • Lacerations
  • Punctures
  • Abrasions
  • Avulsions
  • Excessive bleeding

Controls

  • Wear appropriate personal protective equipment (PPE)
  • Conduct regular inspections of equipment and materials for sharp edges or protrusions
  • Ensure proper training and awareness regarding potential hazards
  • Implement safe work practices, such as using proper handling techniques and minimizing contact with sharp objects
  • Provide adequate guarding and barriers to prevent accidental contact with sharp edges or protrusions
  • Maintain a clean and organized work area to minimize the risk of injury from objects with sharp edges

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Hazardous weather conditions
Initial Risk

Severity
Catastrophic

Probability
Probable

Rating
High
Who might be harmed?

  • Workers on-site
  • Contractors and subcontractors
  • Visitors and members of the public
  • Delivery personnel
  • Emergency responders and rescue teams

Type of harm

  • Frostbite
  • Hypothermia
  • Heatstroke
  • Lightning strike
  • Fall-related injuries

Controls

  • Monitor weather forecasts and establish a clear communication system to keep workers informed.
  • Provide appropriate personal protective equipment (PPE) such as rain gear and insulated clothing.
  • Ensure workers take regular breaks in sheltered areas to prevent overexposure.
  • Train workers on recognizing signs of severe weather and implementing emergency procedures.
  • Have designated safety personnel to continuously assess weather conditions and suspend work if necessary.
  • Implement a buddy system to ensure workers are aware of each other’s whereabouts and can quickly seek assistance in case of emergency.

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Equipment malfunctions
Initial Risk

Severity
Severe

Probability
Probable

Rating
Medium
Who might be harmed?

  • Workers
  • Supervisors and managers
  • Maintenance personnel
  • Visitors or contractors
  • Public or nearby individuals

Type of harm

  • Crushing injuries
  • Lacerations
  • Fractures
  • Burns
  • Electric shocks

Controls

  • Regular inspection and maintenance of equipment
  • Training on proper use and maintenance of equipment
  • Adequate personal protective equipment (PPE) for operators
  • Clear and visible warning signs on malfunctioning equipment
  • Lockout and tagout procedures for equipment maintenance
  • Prompt reporting and resolution of equipment malfunctions

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Noise hazards
Initial Risk

Severity
Catastrophic

Probability
Probable

Rating
High
Who might be harmed?

  • Workers
  • Contractors
  • Visitors
  • Nearby residents
  • Other personnel in the vicinity

Type of harm

  • Hearing loss
  • Tinnitus
  • Acoustic trauma
  • Noise-induced sleep disturbances
  • Stress-related health issues

Controls

  • Use engineering controls such as sound barriers or enclosures.
  • Implement administrative controls, such as limiting exposure time.
  • Provide employees with proper hearing protection, such as earplugs or earmuffs.
  • Conduct regular noise assessments to identify areas requiring control measures.
  • Implement a hearing conservation program.
  • Provide training and awareness on the risks of excessive noise exposure and the use of personal protective equipment.

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Working at heights
Initial Risk

Severity
Catastrophic

Probability
Frequent

Rating
High
Who might be harmed?

  • Workers
  • Supervisors/Managers
  • Contractors
  • Visitors/Observers
  • Emergency responders

Type of harm

  • Head injuries
  • Back and spinal injuries
  • Fractures and broken bones
  • Internal injuries
  • Traumatic brain injuries

Controls

  • Use of fall protection equipment
  • Proper training and supervision
  • Regular equipment inspections and maintenance
  • Implementation of a permit-to-work system
  • Provision of safe access and egress
  • Implementation of emergency response procedures

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Inhalation of dust and debris
Initial Risk

Severity
Catastrophic

Probability
Probable

Rating
High
Who might be harmed?

  • Workers
  • Site visitors
  • Contractors
  • Maintenance personnel
  • Adjacent property owners

Type of harm

  • Respiratory irritation
  • Allergic reactions
  • Asthma
  • Silicosis
  • Chronic Obstructive Pulmonary Disease (COPD)

Controls

  • Provide appropriate respiratory protection equipment.
  • Implement engineering controls such as dust extraction systems.
  • Conduct regular air monitoring to assess airborne contaminant levels.
  • Train employees on proper handling and disposal of dust and debris.
  • Maintain good housekeeping practices to minimize dust accumulation.
  • Provide appropriate personal protective equipment (PPE) such as goggles and gloves.

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low
Contact with hazardous materials
Initial Risk

Severity
Catastrophic

Probability
Frequent

Rating
High
Who might be harmed?

  • Workers
  • Contractors
  • Visitors
  • Emergency responders
  • General public

Type of harm

  • Chemical burns
  • Respiratory problems
  • Skin irritation/allergies
  • Eye injuries
  • Internal organ damage

Controls

  • Wear appropriate personal protective equipment (PPE)
  • Implement proper handling and storage procedures for hazardous materials
  • Provide training on proper handling and disposal of hazardous materials
  • Use engineering controls such as ventilation systems or barriers to minimize exposure
  • Conduct regular inspections and maintenance of equipment and storage areas
  • Implement an effective spill response and cleanup procedure

Residual Risk

Severity
Minor

Probability
Improbable

Rating
Low

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