INSTALLATION OF ROOF DRAIN, FUNNEL FLOOR DRAIN

Risk Assessment For Installation Of Roof Drains

Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
      1.      Prepare work area        ·  Unauthorized, untrained workers         ·  Cuts · Abrasions      2      A      L· TBT/DSTI to be conducted by the foreman/    safety officer prior to work commencement · Task specific safety training to be provided · Authorized personnel to undertake the job · Daily safety  inspection should be carried and    eliminate the hazard.    Low (ALARP)  
          2.            Manual Handling            · Incorrect lifting of loads · Sharp edges. · Placing the object while    fingers underneath. • Slip/trip/fall ( same level ) • Unsafe posture        · Back Injuries ·  Cut to finger ·  Strain •  Musculoskeletal      Injuries            3            C            M  · Any lifting tasks shall be carried out by   persons physically capable to do so   • No employee should be asked to carry loads      above his capacity and in any case no load       shall exceed 30kg per man. • Mass of the load is more then to be equally   shared · Deploy enough number of personnel for lifting      shall be appointed to the task depending upon      the type of load to be lifted. ·Use easy mode of transport like trolley etc. • Load not to be lifted above your shoulder     Height • Keep your fingers away from pinch point     While placing the load • Area to be illuminated with adequate lighting. · Proper personal protective equipments to be    used while manual handling of materials and       loads.            Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
              3.          Transportation of materials to site using with trailer, pickup, fork lift and crane    • Unauthorized, Untrained   Workers • Failure of lifting     equipment • Failure of lifting tools &   tackles. • Unsafe lifting. • Swinging of material • Damaged sling/wire rope or   a chain • Poor maintenance of vehicle • Speedy operation • Over turn • Over load              • Fatality • Fractures • Property damage • Injury to personal • Sprain and strain              4            C            H  • Ensure the crane and forklift engaged is tested   and having valid license and the operator has   valid license and approved 3rd party    certificate. • Engage trained and certified banks man.   • Barrication and warning signs in to the area   where lifting operation is carried out and     restrict the entry. • Check list should be carried out to their    vehicles by the operator prior to start any work  • Use tagline for control of swing and alignment.    • The crane must be stopped when the wind     speed exceeds 38km/hr. • SWL should be clearly marked on the crane   and should be check that is functioning. • The crane and trucks shall be periodically    maintained and a periodical check has been    done by the maintenance team. ·Vehicle not to be left unattended at site (ie,to be    switch off mode if required and keys removed) • Safe working load should be carry by crane and trucks and Secure the load before it is travelling. • Operators and rigger must worn high level of     reflecting vest and adequate PPE ( Shoe, helmet, leather gloves, goggles, over all ) ·Vehicle routes kept free of obstructions (with spillages being cleaned up promptly)              M (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
       ·Any lifting/ reversing that is necessary should be overseen by a trained flagman / Banksman. · Operator should follow the site speed limit     and obey the traffic rules. • Colour coded system to be implemented to all    lifting equipments as per the month.   
      4.      Stacking and Storing  ∙  Unauthorized, untrained      workers · Material fall from height •   Improper stacking •  Collapse of materials  •  Crush · Cut and abrasion · Damage to     property    3    B    M  · All materials shall be stored below 2 meter height. · If the material is too heavy, use hydraulic trolley to shift the material. • No storage of materials to be done in the work    place, only required quantity to be taken for the    job. • Personnel protective equipment must wear at all time during the activity. (Helmet, shoe, vest, overall, gloves, goggles, mask.)    Low (ALARP)
    5.  Working with Hand tools. (Hacksaw blade)  Slip, trip and fall •  Damaged warn out hand      tools •   Flying objects    •  Fatigue • Trigger finger • Cuts and abrasions    3  C  M• Defective tools should not be issued or used to perform the task,to be checked by store keeper • Don’t extend the spanner by using a pipe as an extension bar • Never use a file as a lever • Never use a screw driver as a chisel • Don’t work with oily or greased hands • Use eye/ face protection when there is flying materials hazard, wear gloves while required to protect the hands • Use right tools for the job    Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
                  6.                  Working with power tools ( Drill machine )        Defective equipmentElectricityImproper use of equipmentPoor maintenanceUntrained workersFlying objectNoise and vibrationFireDust              Hearing lossesEye injuryCrushingBack injuryBurns ElectrocutionRinging in the ear / Deafness                3                C                M• PTW to be applied and obtained prior to start,     If spark producing activity is performed · Defective tools should not be issued or used to      perform a task. • Monthly inspection should be carried out by the electrician and record to be kept at the store · All portable power tools should be fitted with adequate fuse protection either in the tool body or in its electrical plug. · The weight, size and type of tool should be selected to suit the job being carried out. • Don’t lay the cables around the access way, it should be proper routing • Industrial distribution board and socket only to be used at site • No joints shall be made in electrical cable. • Cable hangers shall be used to avoid the    direct contact of power tools cable with the   scaffolding members. • Electrical connection shall be routed through    ELCB only. • Correct rate of ELCB should be used ( Ex:-30ma only acceptable) · Only those persons who have been adequately trained and experienced in the use of the tool should be allowed to use the same. Power tools shall have inspection sticker. · Tools should be stored and maintained in good working condition. · Appropriate PPE Should use ( Goggles, Mask, Ear plug, Gloves, Shoe, Helmet, Overall, Vest )                M (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
            7.            Welding work (arc)        • Fire • Untrained, Unauthorized    Worker • Poor signage and barricade • Lighting and ventilation          •Electric Shock •Burns •Skin Effect •Eye Injury •Property damage                   4                    C                  H  • PTW to be applied and obtained prior to start,     If spark producing activity is performed • Certified person only undertake the welding job • All Flammable /combustible materials should    be removed from the area where welding & gas       cutting operations are carried out. • Fire blankets should be used to contain sparks    and molten metal’s within the floor and should    not be allowed to fall from height. • Warning signs and boards should be provided    And area to be well barricaded • Appropriate fire extinguisher should be placed      in to the work area ( Dry powder, CO2, Fire     blanket ) • Adequate lighting and ventilation to be   Provided. • Close supervision to be done at all times. • Hoses should be of approved type and should   be free. ·Appropriate PPE Should use ( Face shield, Dust   mask, Goggles, Gloves, Shoe, Helmet, Overall,   Vest )          Low (ALARP)
      8.                  Handling chemicals (Solvent cement)            • Unauthorized, untrained   workers • Spillage • Poor ventilation • Fire • Health hazards ( External /     Internal )    · Skin injury · Ingestion •   Eye injury •  Environment affect •   Property damage • Occupational health        3        C        M  · Ensure the chemicals are stored as per the     manufacturer recommendation and    identification. •Adequate lighting and ventilation to be provided • MSDS to be referred prior and to follow the     manufacturer instruction • Trained and authorized person to do the job • Only required quantity to take for the work • Do not store chemicals at non designated areas.      Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
       • Old/ empty container return to store for proper    Dispose • Container should check for leakage before        Handling  •  Personnel hygiene to be maintained while      after use of chemicals • All spillage shall be clean by sand or other    absorbent materials • Rubber gloves, overall, helmet, vest, shoe,     Goggles, mask to be worn while during the     activity     
  9.  Working with ladder• Fall from height • Over reaching • Over loading • Obstructing the access way • Slippery or uneven surface• Sprain and strain • Fracture • Injury to the     person    3    C    M• The ladder should extend minimum one meter        from the top for safe movement • Heavy materials should not be carried • Do not erect in slippery, uneven surface • Should be set up with a 4 vertical to 1    horizontal slope ( 4:1 ) • Inspection and maintenance to be registered    and recorded by the store keeper • Step ladder must fully open and lock and the   devices to be as per manufacturer • Defective ladder should not be used and report    it immediately • Do not work from the top of two rungs • Remember the 3 point contact • Do not work in front of the door. If work is      carried then locked the door or blocked off • Ladder to be used for short duration works only     limited to 15 min. • Colour coded system to be implemented  Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
                  10.                Working on mobile scaffold          • Uneven surface • Overhead structure and cable • Materials and worker fall    from height • Untrained, unauthorized    Workers • Collapse of scaffold          • Sprain and strain • Fracture • Spinal cord damage • Musculoskeletal    Injury • Fatality                3              C              M  • Do not stack materials on to the scaffold • Visual inspection should carry before use • Out rigger fitted and breaks are locked on • Only trained scaffolders shall be involved in    erection & dismantling activities. • No person to be on the scaffold while it is   being moved • Scaffold only use in on level and surface area • Safety harness to be used above 2mtr height and anchored in above shoulder height at all time • Tagging system to be implemented ( i.e., all safe scaffolds shall be provided with green tags and unsafe scaffolds with red tag ) • Keep walkways free of obstacles, tools and    Equipment • Never stand and sit on the hand rails • Mobile scaffold height should be restricted to    3.5 to 4 times the shortest base width, If height   of scaffold exceeds raker support or it should be    tied to the structure properly.            Low (ALARP)
    11.            Working in excavated area    ·  Material/equipment fall     from height · Slip/trip/fall ·  Workers/ Pedestrians/  fall     into excavation· Serious injury · Fatality ·  Property     Damage    3  D  M•  Safe access and egress shall be provided · Barricade sensitive areas, · Ensure falling protection. · Use warning signboards in those areas. · Use Head protection strictly. · PTW to be applied and obtained prior to     start work    Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
          12.          Working on roofs      • Unauthorized/    Untrained workers • Slip, trip and fall • Material Fall from   Height • Abnormal weather        • Fatality • Fracture • Sprain and strain          4          B          M  •  Authorized person only to assign the job • Safety net to be provided from falling materials • Openings in the roof must be securely covered    or guarded. • Keep walkways free of obstacles, tools and    Equipment • Covering or guarding may be removed to allow      the passage of men or material, itmust be    replaced immediately after that operation. • Barricade the ground level area of work and    post warning signs. • Wet, windy or hot weather can seriously affect    your safety during roofing works, ask if in      doubt and do not work in that abnormal    weather condition • High visibility vest to be worn at all times   while work on roof.          Low (ALARP)
        13.        Working  near floor openings          ·  Material/equipment fall    from height · Slip/trip/fall          ·Fatality ·Property Damage • Fracture          4          B          M  • PTW to be applied and obtained prior to start work · Rigid barrication and toe board to be     provided to all external edges and where a fall   can occur. •Warning signboards to be provided in those areas. · PPE to be used at all times ( Helmet, Shoes,    Vest, Overall, Harness )        Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
    14.    Installation of drains and accessories• Untrained, unauthorized   Workers • Material Fall • Sharp edges • Unsafe posture • Slip, trip and fall• Cut and abrasion • Back Injuries • Fatigue •  Musculoskeletal    Injuries      3    C    M· Authorized personnel to undertake the job ∙Work location shall be inspected by   concerned supervisor / foreman. • Close supervision to be done at all times • Materials should not kept in walkways, edge    of the opening. · Deploy enough number of personnel for     material lifting shall be appointed to the task    depending upon  the distance • Proper communication to be maintained    between the workers while doing the     installation • Avoid over reaching the drain pipes to reduce    from strain and pain. • Maintain a good housekeeping policy to    prevent from slip, trip, and fall hazards. •Two level works to the openings and edges not   to be performed. • PPE to be worn at all times( Gloves, goggles,     mask, helmet, shoe, vest, overall)  Low (ALARP)
    15.    While working at night shift  ∙ Poor illumination ·  Slip/trip/fall  ∙ Fatality • Cuts    3    B    M· Proper illumination to be provided · light post to be secured from fall · Proper cable management system to be     Followed · All materials to be staged in proper manner     without obstacles  Low (ALARP)
Serial No.  Sub-ActivitiesHazards Identified (Generic & Task)Risks Involved (People & Property)Risk RatingControl MeasuresResidual Risk
SeverityProbabilityInitial Risk
  16.  Working in hot weather  · Heat∙ Dehydration · Sunburn · Skin Cancer  2  B  M· Drink plenty of water · Proper awareness of heat stress symptoms · Avoid highly physical tasks during the hottest       part of the day · Isotonic drinks to be provided      Low (ALARP)
    17.    Work Completion  · Poor housekeeping · Slip/trip/fall    · Fire      2    A    L· General housekeeping, Remove all surface, unwanted waste materials from the building · All necessary precautions will be adopted to prevent fire  Low (ALARP)

RISK MATRIX

     Probability
     ABCDE
SeverityPeopleAssetsEnvironmentReputationImprobable 1 in 100,000 YearsRemote 1 in 10,000 YearsOccasional 1 in 1000 yearsProbable 1 in 100 yearsFrequent 1 in 10 years
5-CatatrophicMultiple fatalities or permanent total disabilitiesExtensive damageMassive effectInternational impact      
4-SevereSingle fatalities or permanent total disabilitiesMajor damageMajor effectNational impact     High Risk
3-criticalMajor injury or health effectsLocal damageLocalised effectConsiderable impact Medium Risk (ALARP)    
2-MarginalMinor injury or health effectsMinor damageMinor effectMinor impact      
1-NegligbleSlight injury or health effectsSlight DamageSlight effectSlight impactLow Risk   
  HIGH3-E 4-C,D,E 5-B,C,D,E
    MEDIUM1-D,E 2-B,C,D,E 3-A,B,C,D 4-A,B 5-A
LOW1-A,B,C 2A

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