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Saturday, September 30, 2023

September 30, 2023

HSE DOCUMENTS-RISK ASSESSMENT FOR THE INSTALLATION OF A MOTORIZED GATE VALVE

 

HSE DOCUMENTS-RISK ASSESSMENT FOR THE INSTALLATION OF A MOTORIZED GATE VALVE


The following are some of the hazards and control measures for the risk assessment for the installation of a motorized gate valve uploaded by the HSE Documents. For complete risk assessment, click the link given at the bottom of these lines.


Risks, Hazards, and Control Measures:


1. Electrical:

Risk: Electric shock or electrocution when working with electrical components.

Hazard: Live electrical wires or components.


Control Measures:

Ensure that power sources are de-energized and locked out/tagged out before starting any work.

Use proper personal protective equipment (PPE) such as insulated gloves and safety goggles.

Follow electrical safety protocols and guidelines.


2. Mechanical:

Risk: Injuries due to moving parts or equipment.

Hazard: Moving gate valve parts and machinery.


Control Measures:

Install safety guards and barriers around moving parts to prevent access during operation.

Ensure proper training for personnel working with the equipment.

Conduct regular equipment inspections for wear and tear.


3. Falling:

Risk: Falls from heights when working on elevated platforms or structures.

Hazard: Unstable platforms, ladders, or scaffolding.


Control Measures:

Use fall protection equipment such as harnesses and safety nets.

Ensure proper installation and inspection of scaffolding and ladders.

Implement a buddy system when working at heights.


4. Chemical:

Risk: Exposure to hazardous chemicals during the installation process.

Hazard: Contact with lubricants, sealants, or cleaning agents.


Control Measures:

Provide Material Safety Data Sheets (MSDS) for all chemicals used.

Ensure proper ventilation and use of respiratory protection if needed.

Store and handle chemicals according to safety regulations.


4. Transportation and Handling:

Risk: Injuries while transporting and handling heavy valve components.

Hazard: Heavy and awkward valve parts.


Control Measures:

Use mechanical aids such as cranes or forklifts for lifting heavy components.

Train personnel on safe lifting techniques and provide proper lifting equipment.

Maintain clear pathways and ensure a clutter-free work area.


5. Confined Space:

Risk: Working in confined spaces when installing valves in underground systems.

Hazard: Limited space, potential for toxic gases, or lack of oxygen.


Control Measures:

Conduct thorough atmospheric testing before entering confined spaces.

Implement a permit-to-work system for confined space entry.

Ensure workers are trained in confined space rescue procedures.


6. Environmental:

Risk: Environmental damage due to spills or leaks during valve installation.

Hazard: Accidental release of fluids or contaminants.


Control Measures:

Use spill containment measures such as absorbent materials and drip trays.

Have an emergency response plan in place for immediate spill cleanup.

Comply with environmental regulations and permits.


7. Communication and Coordination:

Risk: Miscommunication or lack of coordination among team members.

Hazard: Confusion, delays, and errors in the installation process.


Control Measures:

Implement clear communication protocols and roles/responsibilities.

Conduct regular team meetings to ensure everyone is on the same page.

Document installation procedures and follow a checklist.



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September 30, 2023

HSE DOCUMENTS-RISK ASSESSMENT FOR THE DISMANTLING AND INSTALLATION OF WATER MONITOR

 

HSE DOCUMENTS-RISK ASSESSMENT FOR THE DISMANTLING AND INSTALLATION OF WATER MONITOR

The following are some of the hazards and control measures for the risk assessment for Dismantling And Installation Of Water Monitor uploaded by the HSE Documents. For complete risk assessment, click the link given at the bottom of these lines.


Risks and Hazards and Control Measures:


Electrical:

Risk: Electrical shock can occur if the water monitor is electrically powered.


Control Measures:

Ensure the power source is disconnected and locked out/tagged out before starting any work.

Use insulated tools and wear appropriate personal protective equipment (PPE), such as rubber gloves and safety goggles.


Falling Objects:

Risk: Parts of the water monitor or tools can fall from height, causing injury.


Control Measures:

Use safety barriers and warning signs to cordon off the work area.

Secure tools and equipment when not in use.

Ensure workers wear hard hats.


Manual Handling:

Risk: Lifting and moving heavy components can lead to musculoskeletal injuries.


Control Measures:

Provide training on proper lifting techniques.

Use lifting equipment like cranes or hoists when necessary.

Rotate workers to reduce prolonged heavy lifting.


Chemical Exposure:

Risk: Exposure to chemicals during cleaning or maintenance.


Control Measures:

Provide workers with appropriate PPE, such as gloves and eye protection.

Ensure proper ventilation in enclosed spaces.

Store chemicals in a well-ventilated, labeled area.


Confined Space:

Risk: Working in confined spaces can pose risks such as suffocation, toxic gases, or entrapment.


Control Measures:

Conduct a thorough risk assessment before entering confined spaces.

Use gas detectors to monitor air quality.

Have rescue procedures and equipment in place.


Water Pressure:

Risk: High water pressure can cause injury or damage to equipment.


Control Measures:

Isolate and depressurize the water system before dismantling or installing the monitor.

Use pressure relief valves and pressure gauges to monitor pressure.


Slips, Trips, and Falls:

Risk: Wet surfaces, clutter, or uneven terrain can lead to slips, trips, and falls.


Control Measures:

Keep work areas clean and organized.

Use anti-slip mats and appropriate footwear.

Install handrails and guardrails where necessary.


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Thursday, September 28, 2023

September 28, 2023

HSE DOCUMENTS-RISK ASSESSMENT FOR ELECTRICAL PRESSURE TESTING

 

HSE DOCUMENTS-RISK ASSESSMENT FOR ELECTRICAL PRESSURE TESTING

The following are some of the hazards and control measures for the risk assessment for electrical pressure testing uploaded by the HSE Documents. For complete risk assessment, click the link given at the bottom of these lines.


1. Activity

Electrical Pressure Testing 


2. Hazard

3. Slip, trip, and fall at a different level

4. Slip, trip, and fall at the same Level

5. Falling objects by the collapse

6. Fall of objects by manipulation

7. Crash against stationary objects

8. Shock against mobile objects

9. Entrapment by/between objects

10. Entrapment by vehicle rollover

11. Run-ins or blows with vehicles

12. Electrical contacts

13. Thermal contacts

14. Extreme meteorological conditions

15. Ergonomic and psychosocial risk

16. Blows/cuts with objects or tools

17. Fire/explosion

18. Overexertion

19. Projection of fragments or particles

20. Exposure to radiation


Control Measures and Actions

22. Before entering high places, make sure they have the necessary collective protections to prevent falls, and if this is not the case, report it to your superior;

23. Make sure the edges of shutter work, gaps, and any different levels are protected with railings, safety nets, fencing with signs or similar;

24. All railings must be rigid, be at least 95 cm. in height, and be provided with an intermediate bar and skirting.

25. Work over 1.8 meters high, use a harness;

26. SCAFFOLDING MUST:

  • Be fixed to prevent undesired movements
  • Checked before use to make sure that it is in optimal state
  • Have railings and skirtings for heights of over 1,8 meters
  • Have a separation of 30 cm at most from the fa├žade
  • Have crosses on either side
  • Have railings of 95 cm on the working platforms, with intermediate bars and skirting;

6. The workers must follow the Method Statement and the preparation induction.

7. Site induction and wear PPE;

8. Whenever there is the need to move heavy-weight parts, perform the work with two or more workers;

9. Check the stability of the materials before completing the work;

10. Manual handling of loads must be performed correctly;

11. The maximum manual loading weight shall not exceed 25 Kg;

12. The workers must follow the Method Statement and the preparation induction;

13. Maintain tidiness and cleanliness in the whole of the work area: passages clear and areas used for gathering materials;

14. Store all materials correctly and in the right place.

15. Site induction

16. Do not stand under suspended loads.

17. Always ensure hooks with their safety latch.

18. Always check the state of cables, ropes, slings, etc.

19. Make sure materials are stored correctly.

20. Always ensure hooks with their safety latch.

21. Always check the state of cables, ropes, slings, etc.

22. Do not gather material on the edge of the shutter work.

23. Do not leave tools, equipment, or materials in the working platforms of the scaffolding and/or mobile machinery.

24. Mobile machinery driver must have the license corresponding to the machine he/she is using

25. Notice any stationary object properly.

26. Vehicle ways will be well-defined and delimited

27. Work areas will be well-lighted.

28. Safety distances about mechanism working ranges will be respected.

29. All the mobile elements of the machines must be protected by the manufacturer.

30. Machinery maintenance works should be done with the engine cut-off.

31. Mobile machinery driver must have the license corresponding to the machine he/she is using

32. All times respect the mobile machinery limits.

33. Respect the speed limit at work.

34. Respect all signs, particularly in the areas and routes used for vehicles to pass and those reserved for pedestrians.

35. Enter the site through a defined entrance.

36. Use vehicles only if you are authorized to do so and follow the instructions received for suitable handling.

37. Use reflecting jackets to guarantee correct visibility.

38. Check and respect all vehicle reversing acoustic signals.

39. It is forbidden to manipulate any electrical connection box

40. Only trained and qualified workers can do electrical work.

41. All worn or peeled wires must be repaired immediately.

42. Any anomaly in an electrical installation should be reported.

43. Do not use electrical tools with wet hands or wet gloves.

44. If there is are being carried out, these should be announced and notified with their corresponding WP and its special safety measures.

45. Use appropriate personal protection equipment.

46. Do not carry flammable materials (matches, lighters) during welding operations.

47. Avoid working at high wind speeds

48. It is forbidden to work with energized lines on thunderstorms and periods of rain.

49. Shifts must be set to ensure that the worker rests.

50. Do an annual medical examination for all workers.

51. Keep good interpersonal and professional relationships with the workers.

52. Keep high Qualitative, Environmental, and Security levels in the company through ISO Certificates.

53. Use quality tools according to the type of work to be carried out.

54. Properly instruct personnel on the use of each type of tool.

55. Use gloves when handling sharp tools.

56. Perform regular maintenance of the tools (repair, sharpening, cleaning, etc.).

57. Periodically check the condition of the handles, insulating coatings, etc.

58. Store and/or transport the tools in boxes, tool bags, or appropriate panels, where each tool has its place.

59. It is forbidden to make fire at work

60. It is forbidden to smoke at work

61. Have fire extinguishers available on the site (carbon dioxide fire extinguisher and polyvalent powder);

62. Learn about electrical work procedures if you perform this kind of operation;

63. The workers must follow the Method Statement and the preparation induction.

64. Use manual and power tools only for their specific purposes.

65. All faulty tools must be put out of use. Do not carry tools in your pockets, but on the specific belts for them.

66. When you are not using them, leave them in places where they can not cause accidents.

67. Plan de works to be done before starting them to avoid improvisations.

68. Avoid useless efforts, use mechanics tools, and request help when punctually have to move some heavy objects.

69. Keep your back straight, and avoid forced postures and trunk turns.

70. To lift loads, bend the knees without bending the back and lifting them by stretching the knees.

71. Site induction & wear PPE;

72. Respect the manufacturer's instructions for the tools and equipment.

73. Replaces tools in poor condition with others that are in perfect condition and installs anti- projections elements always when it is necessary.

74. Do not use compressed air to de-dust or clean clothes or other objects.

75. Respect all signs indicating RADIATION;

76. Don’t cross barriers with RADIATION signs;

77. Ask the Site Manager, Supervisor, and/or SHEE officer if you have doubts about RADIATION signs and/or affected areas.


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Wednesday, September 27, 2023

September 27, 2023

HSE DOCUMENTS-RISK ASSESSMENT CONFINED SPACE-CLEANING OF SEPTIC TANKS

 

HSE DOCUMENTS-RISK ASSESSMENT CONFINED SPACE-CLEANING OF SEPTIC TANKS

This risk assessment for Septic tank cleaning written by HSE Documents often hidden underground or within tight enclosures, poses fatal and critical threats and dangers to workers. Various environmental factors such as hazardous gases, limited ventilation, and the potential for engulfment or entrapment make this job one of the most hazardous in the field of sanitation. This article Risk Assessment for Septic Tank Cleaning written by HSE Documents delves into the complexities of confined space entry and emphasizes the importance of meticulous risk assessment protocols.


1.0. Hazard

1.1. Unfit/ untrained operatives

1.2. Limited access and Exit. Fall of Person/ Materials

1.3. Oxygen deficiency/ enrichment, lack of ventilation.

1.4. Flammable / Toxic gases

1.5. Hot Work

1.6. Lack of Lights & Communication Facility

1.7. High Temperature/ Humidity


2.0. Harm and Consequences

2.1. Asphyxiation:

2.1.1. Harm: Lack of oxygen (hypoxia) within a confined space can result in asphyxiation, leading to unconsciousness and death.

2.1.2. Consequences: Individuals can lose consciousness rapidly, making self-rescue or rescue by others extremely challenging. Fatalities can occur if prompt action is not taken.

2.2. Toxic Atmospheres:

2.2.1. Harm: Confined spaces may contain hazardous gases or chemicals that can cause harm when inhaled, ingested, or absorbed through the skin.

2.2.2. Consequences: Exposure to toxic substances can lead to acute or chronic health issues, including respiratory problems, chemical burns, or long-term illnesses. It can also result in fatalities.

2.3. Fire and Explosion:

2.3.1. Harm: Confined spaces may contain flammable gases, vapors, or dust that can ignite and cause fires or explosions.

2.3.2. Consequences: Fires and explosions can result in severe burns, traumatic injuries, and fatalities. Additionally, they may damage equipment and structures.

2.4. Engulfment:

2.4.1. Harm: Workers can be engulfed by solid or liquid materials (e.g., grain, water, sand) within a confined space.

2.4.2. Consequences: Engulfment can lead to suffocation, drowning, or traumatic injuries. The victim may become trapped, making rescue difficult.

2.5. Mechanical Hazards:

2.5.1. Harm: Confined spaces may contain moving equipment, machinery, or rotating parts that can cause physical harm.

2.5.2. Consequences: Workers can suffer crush injuries, entanglement, or amputations if they come into contact with moving parts.

2.6. Falls:

2.6.1. Harm: Working at heights or on unstable surfaces within confined spaces can lead to falls.

2.6.2. Consequences: Falls can result in fractures, head injuries, and fatalities, especially if appropriate and essential fall protection initiatives are not in place.

2.7. Entrapment:

2.7.1. Harm: Individuals working in confined spaces may become trapped due to structural failures or equipment malfunctions.

2.7.2. Consequences: Entrapment can lead to injury or death if rescue is delayed or if the space collapses further.

2.8. Heat Stress:

2.8.1. Harm: Confined spaces can become extremely hot due to inadequate ventilation or exposure to heat sources.

2.8.2. Consequences: Workers can suffer from heat-related illnesses such as heat exhaustion or heat stroke, which can be life-threatening.

2.9. Psychological Stress:

2.9.1. Harm: The psychological stress of working in a confined space, especially when isolated or in low-light conditions, can lead to anxiety, panic attacks, or impaired decision-making.

2.9.2. Consequences: Impaired mental well-being can increase the risk of accidents, poor judgment, and decreased overall safety.

2.10. Inadequate Rescue Plans:

2.10.1. Harm: Failure to have a proper confined space rescue plan in place can result in delays in rescue efforts.

2.10.2. Consequences: Delays in rescuing an entrapped worker can lead to severe injury or death. Inadequate rescue equipment or training can exacerbate the situation.


3.0. Controls

3.1. Operatives must be physically fit to carry out confined space activities

3.2. Person experienced/ Trained in confined space activity to be assigned for the job.

3.3. MS&RA must be addressed to operative before entry.

3.4. A work permit must be taken, a pre-entry checklist to be completed and all precautions must be taken before entering.

3.5. Provide safe access and exit to and from the confined space as much as possible (Manhole size requirement –Min. 450 mm x 407 mm or 457mm Dia.)

3.6. Rescue procedure/system (Tripod with winch, Rescue Harness, etc.) in place, and sufficient trained persons are available for the rescue operation.

3.7. All persons in the confined space must wear safety harnesses for rescue purposes.

3.8. Access and all openings to be protected to prevent fall of materials/persons.

3.9. Carry out the atmospheric test and ensure there is a sufficient level of oxygen present in the area before entering.

3.10. Use forced air ventilation/ exhaust fan to remove toxic gases from confined space.

3.11. Shift working schedule as per condition to be made and strictly followed.

3.12. Oxygen percentage (19.5% to 23.5%)

3.13. Carry out atmospheric tests and ensure there are no flammable/ toxic gases present in the area before entry.

A. Flammable gas or vapors (Permissible Limit -<10% of LFL)

B. Carbon Monoxide (Permissible limit-<50 ppm)

C. Hydrogen sulfide (Permissible limit -<10ppm)

3.14. Do not keep any compressed/ flammable gas cylinders inside the confined space.

3.15. Provide adequate exhaust fans for proper ventilation.

3.16. Always use flameproof electrical equipment inside the confined space.

3.17. Use positive pressure breathing apparatus in a confined space.

3.18. The hot work permit must be taken before doing any hot work operation

3.19. Sufficient exhaust fan must be provided for ventilation.

3.20. Ensure there are no flammable gases/ vapors present in the confined space.

3.21. All operatives must wear the required PPE.

3.22. Sufficient lights (Flameproof) shall be provided in the confined space.

3.23. A proper communication facility (Walky-talky/ Radio) should be provided for confined space activities.

3.24. One full-time standby person with a communication facility shall be appointed outside the entrance.

3.25. Confined space registers are to be kept outside and strictly maintained.

3.26. Provide sufficient cool drinking water and oral rehydration fluids

3.27. Provide adequate ventilation and fans at the workplace.

3.28. Avoid working in a conditionshumid environment for a long time.

3.29. Shift system based on the humid condition to be strictly followed.

3.30. Close supervision and communication at all times


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September 27, 2023

METHOD STATEMENT FOR INSTALLATION OF G.I. & PVC CONDUIT ON SURFACE

 

METHOD STATEMENT FOR INSTALLATION OF G.I. & PVC CONDUITING ON SURFACE


1.0.        Introduction

This method statement uploaded by HSE Documents highlights the procedures and technical guidelines for the installation of Galvanized Iron (G.I.) and Polyvinyl Chloride (PVC) conduit on the surface.


2.0.        Purpose

The purpose of this technical and procedural document installation is to provide a secure, safe, and well-organized pathway for electrical wiring while making sure that compliance with safety and quality standards is practiced and implemented.


3.0.        Scope

This method statement is uploaded by HSE Documents and it covers the installation of G.I. and PVC conduit on surfaces within the designated area of work, including all necessary materials, tools, and equipment.


4.0.        Materials and Equipment

4.1.  Materials:

4.1.1.     G.I. conduit pipes of appropriate diameter

4.1.2.     PVC conduit pipes of appropriate diameter

4.1.3.     Conduit fittings (elbows, couplings, connectors, etc.)

4.1.4.     Conduit straps and clamps

4.1.5.     Screws and anchors

4.1.6.     PVC solvent cement (for PVC conduit)

4.1.7.     Threaded rods and anchors (for G.I. conduit)

4.1.8.     Cable lubricant


4.2.  Equipment:

4.2.1.     Power drills

4.2.2.     Screwdrivers

4.2.3.     Hacksaw

4.2.4.     Pipe benders (for G.I. conduit)

4.2.5.     Pipe cutter (for PVC conduit)

4.2.6.     Spirit level

4.2.7.     Measuring tape

4.2.8.     Chalk line

4.2.9.     Wire brushes

4.2.10. Safety equipment (hard hats, gloves, goggles, etc.)


5.0.        Installation Procedure

5.1.  Site Preparation

5.1.1. Ensure that all necessary permits and approvals have been obtained for the installation.

5.1.2. Identify the routing for the conduit, ensuring compliance with electrical design drawings and safety regulations.

5.1.3. Clear the surface area of any obstructions, debris, or obstacles that may hinder the installation process.

5.1.4. Identify and mark the locations for conduit supports and anchors at regular intervals along the intended route. These should be spaced as per industry standards and project specifications.

5.1.5. Verify that the surface where the conduit will be mounted is level and properly prepared for attachment.


5.2.  Installation of G.I. Conduit

5.2.1. Measure and cut G.I. conduit pipes to the required lengths using a hacksaw or pipe cutter.

5.2.2. Use pipe benders to shape conduit, if necessary, to accommodate bends as per the design.

5.2.3. Secure conduit straps and clamps to the wall or ceiling using appropriate anchors and screws.

5.2.4. Mount the G.I. conduit pipes onto the straps and clamps, ensuring they are level and aligned with the marked route.

5.2.5. Secure conduit fittings (elbows, couplings, connectors, etc.) as needed, using appropriate techniques and fittings.

5.2.6. Ensure all conduit joints are properly threaded and sealed with suitable thread sealant.


5.3.  Installation of PVC Conduit

5.3.1. Use a pipe cutter to Measure and cut PVC conduit pipes to the required lengths.

5.3.2. Dry-fit the PVC conduit pieces to ensure proper alignment and fit.

5.3.3. Clean the ends of the PVC conduit and apply PVC solvent cement as per the manufacturer's instructions.

5.3.4.Assemble and secure the PVC conduit sections together, ensuring a watertight and secure connection.

5.3.5. Mount PVC conduit onto the wall or ceiling using appropriate straps and clamps.

5.3.6. Ensure that the PVC conduit is level and aligned with the marked route.


5.4.  Cable Pulling

5.4.1. Lubricate the inside of the conduit using cable lubricant.

5.4.2. Pull electrical cables through the conduit, ensuring they are not strained or damaged during the process.

5.4.3. Ensure proper separation between different types of cables, as per electrical codes and design specifications.


5.5.  Final Checks

5.5.1. Conduct visual inspections to verify that all conduits and fittings are securely installed and aligned.

5.5.2. Ensure that all electrical cables are properly routed and secured within the conduit.

5.5.3. Label the conduit as necessary, indicating the cables' type and conduit functions.

5.5.4.Test5.5.4. Test the conduit system for any obstructions or defects by pulling a cable through it.


6.0.        Safety Precautions

6.1.1. Always wear appropriate personal protective equipment (PPE) while performing installation work.

6.1.2. Be cautious of sharp edges and hot surfaces when working with conduit materials.

6.1.3. Follow all electrical safety procedures when handling live electrical cables.

6.1.4. Use proper lifting techniques when handling heavy conduit pipes and materials.

6.1.5. Keep the work area clean and organized to prevent accidents.


7.0.        Quality Control

7.1.1. Ensure that all conduits and fittings are installed according to the manufacturer's recommendations and industry standards.

7.1.2. Conduct inspections and tests to verify the integrity of the conduit system and cable installations.

7.1.3. Address any non-conformities or defects promptly and make necessary corrections.


8.0.        Documentation

8.1.1. Maintain a record of all materials used, including conduit, fittings, and fasteners.

8.1.2. Document any deviations from the installation procedure and the corrective actions taken.

8.1.3. Ensure that as-built drawings accurately reflect the installed conduit layout.


9.0.        Conclusion

9.1.1. This method statement provides a comprehensive guide for the installation of G.I. and PVC conduit on surfaces.

9.1.2. Adherence to safety measures, quality control procedures, and documentation requirements is crucial throughout installation.

9.1.3. Any deviations from this method statement should be approved by the project manager or relevant authorities before implementation.

 

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