Safety Pocket Manual-11

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    IMPORTANT SAFETY TIPS

    FOR

    CONSTRUCTION SITE

    ISSUED BY

    Tata Consulting Engineers Limited

    Construction Business Unit Pune, India

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    FOREWORD

    Dear TCEites,

    Implementation of construction activities in a safe manner

    requires liberal use of common sense, little precautions and strict

    adherence to the safe working practices defined in Safety Manual.

    We in TCE have always given high priority to ensure safe working

    and take pride in not compromising safety under any

    circumstances.We are committed to safety of human life and the works at site

    and sincerely believe in putting in all endeavors to collectively

    improve work processes and share responsibility towards safety,

    health and environmental conditions at work site and aim for

    making each site a zero accident site. Your skills and knowledge

    are very important to your family, yourself and the project; protect

    these assets by working safely.

    This document is for guidance and is a quick reference to the

    general safety standards. These are derived from our safety

    manual, years of observations, practical experience within our

    sites and outside. Accidents are preventable. Your personal

    involvement in accident prevention is essential to ensure safe and

    accident-free working environment in our organization.

    A.S. Prabhudesai

    Senior Vice President, CNBU

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    INDEX

    Sl. No Description Page No.

    1 Safety, health and environment policy

    2 Ten commandments of safety for site supervision

    3 Accidents

    4 Office safety

    5 Safety in electrical works

    6 Safety in use of ladder

    7 Safety in scaffolding

    8 Safety while working at heights and below ground level

    9 Safety in using hand tools/machines

    10 Safety in use of cranes and excavation machines

    11 Safety in material handling

    12 Safety in gas cutting and welding operation

    13 Safety in confined space working

    14 Safety in Tunneling

    15 Safety on roads

    16 Safety in housekeeping

    17 Fire safety

    18 Personal protective equipment

    19 First-aid & Emergency plan

    20 Dos and Donts

    21 Safety Audit

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    Tata Consulting Engineers Limited

    SAFETY, HEALTH AND ENVIRONMENT POLICY

    We at Tata Consulting Engineers Limited (TCE) are committed to continually

    improving our performance related to Safety, Health and Environment.

    Towards this end, TCE will ensure that

    Safe and healthy environment is provided to all its employees at theirworkplaces,

    Safe work practices are observed at all project sites that it is

    associated with,

    Environment friendly practices are adopted in meeting its own needs,

    Where relevant, environment friendly solutions are advocated to its

    Customers,

    Safety, Health and Environmental hazards are proactively identified

    and risks are assessed and controlled, Employees are trained to perform their work in a safe and

    environmentally responsible manner.

    TCE will implement this policy in compliance with all applicable Safety,

    Health and Environmental codes and standards as well as legal and statutory

    requirements.

    Chief Executive Officer

    &

    Managing Director

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    TEN COMMANDMENTS OF SAFETY SUPERVISION

    1. Care for all people at work sites as you would care for people at

    home. Ensure each workman and staff understands and accepts their

    personal responsibility towards safety.2. Know the rules of safety that apply to the work you supervise. A

    situation should never arise that one of the workman was injured due

    to lack of awareness about the safety rules of the job.

    3. Anticipate the risks that may arise from changes in equipment or

    methods. Make use of the expert safety advice available to help you

    guard against such risks.

    4. Encourage workmen to discuss with you the hazards involved in their

    work. No job should proceed where a question of safety remainsunanswered. Openness to the ideas of workmen provides first hand

    knowledge that will help you prevent needless loss and suffering.

    5. Instruct workmen to work safely, as you would guide and counsel

    your family at home with persistence.

    6. Consistently follow-up your instructions to them, see to that the

    workmen make use of safe guards provided.

    7. Set a good example. Demonstrate safety in your habit and personal

    conduct.

    8. Investigate and analyze every unsafe event / accident, however

    insignificant it may be, where minor injuries go unheeded, a crippling

    accident may strike later.

    9. Co-operate fully with those in any organization who are actively

    concerned with employees safety. Their dedicated purpose is to

    keep all workmen fully able on the job and cut the heavy toll of

    accident.

    10. Remember: Not only does accident prevention reduce human

    suffering and loss; it is also a good business practice. Safety,

    therefore, is one of our prime obligations to our Company, Fellow

    Managers and Fellow Men and to the society.

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    ACCIDENTS

    Generally accidents happen due to unforeseen, uncontrolled and unplanned events.

    They could lead to personal injury or damage to property.

    Causes of Accidents

    1. Unsafe Acts:

    Violation of:

    Safety norms.

    Safety rules.

    Safety Instructions.

    Safe working practices

    Not using:

    Personal Protective Equipment

    Safety guards.

    Safety gadgets.

    Proper tools.

    Good housekeeping practices.

    Personal attitude:

    Casual attitude

    Failure to recognize potential dangers

    Horseplay at work places

    Disturbing concentration of others by talking

    Operating without training, without knowing, without experience orwithout orders etc.

    Personal factors:

    Impulsiveness

    Lack of attention / sleep

    IrresponsibilityDefective vision

    Accident proneness

    Food habits and drinks / drug habits

    Psycho-physical characteristics

    Worry and emotion

    Age, sex, physical fitness

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    2. Unsafe Conditions

    Bad selection of men, machinery, material and methods.

    Faulty design of machine

    Insufficient and inadequate guards

    Inadequate air, light and environmentAbsence of caution boards / Notice boards / place cards

    Improper maintenance or non performance of periodical maintenance.

    Faulty purchase / Lowest Quotation.

    3. Natural Calamities

    Heavy down pour

    Lightning

    Floods

    Landslide

    Collapsing of buildingEarthquake

    Tornado etc.

    Prevention of Accidents

    1. ENGINEERING METHODS

    To keep the danger zone guarded.

    To keep the person away from danger zone.

    To maintain good housekeeping at the work place.

    2. EDUCATION AND TRAINING (INDUCTION) :

    Orientation program for each new recruit about safety rules and regulations,safety procedures and work methods, accident reporting systems etc.

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    OFFICE SAFETY

    HAZARDS

    Slipping, tripping and falling at a level or to a lower level.

    Fire hazard

    ORDER OF RESPONSIBILTY

    Office Head / Site In-charge / Safety Officer/ Engineer / Supervisor

    PRECAUTIONS

    1. Do not Smoke in offices

    2. Keep gangways clear

    3. Ensure emergency exit route is clear

    4. Maintain good housekeeping.

    5. Provide proper ventilation

    6. Plan the layout of furniture or equipment so that you are not colliding with object or

    working in poor light.

    7. See adequate illumination is provided at work places all lamps and fittings have been

    cleaned and maintained. Check the Lux level periodically.

    8. See that furniture is ergonomically designed.

    9. Provide adequate visuals in offices where narrow alleys with abrupt turns exist.

    10. See carpets are not worn out.

    11. See that walking surface is not slippery.

    12. See all air conditioners or Air Handling Units are well maintained.13. See that all electrical fittings are well maintained.

    14. Check that three pin plugs and sockets have been provided on all electrical equipment

    in use.

    15. See that fire detection & alarm system is functional

    16. Check that sufficient fire extinguishers are provided and maintained

    17. See sufficient numbers of employees know the location of the fire extinguishers & know

    to operate fire extinguishers.

    18. See first-aid boxes are provided, location is known and are well maintained.

    19. See emergency preparedness plan is ready and communicated to all.

    20. Ensure to display emergency contact numbers & persons such as Police, Fire,

    Ambulance, Hospital etc.

    21. Maintain and operate lifts as per statutory requirement.

    22. Check noise levels periodically

    23. Ensure proper portable water and sanitation facilities.

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    SAFETY IN ELECTRICAL WORKS

    HAZARDS

    The main hazards in electrical works are electrocution, burns, fire and explosion.

    When working on high altitude there are possibilities of slipping and falling.

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Do not attempt to work on electrical apparatus unless authorized to do so.

    2. Do not stand on wet or damp floor while working. Preferably use wooden or rubber mat

    base (insulating material) for standing.

    3. Use of Metallic ladders should be avoided for repairing of electrical works.

    4. Any employee noticing defective electrical equipment should report it to the concerned

    authority.

    5. Wherever necessary take Work Permit from concerned authority.

    6. All wire must be treated as live wire until it is positively known that they are dead.

    7. To know whether there is a current in the line or not , do not try to know it by touching

    8. Wiring shall be installed in such a manner that it is not subjected to physical damage.

    9. Repair and maintenance works of electrical line or equipment should be done by

    qualified authorized electrician using insulated tools only. Hand gloves and tools with

    insulated handles must be used.

    10. Portable electrical equipment is generally equipped with a ground wire. If such groundwires are not provided, they must be installed and the equipment should not be used till

    such time that the earthing is provided.

    11. Lockable (without key) type three pin Plug and sockets assembly should be preferred for

    power receptacles for temporary power connection so that the plug does not come out

    easily.

    12. Earth leakage protection device shall be used for the ground fault protection. The rating

    of ELCB shall be 30 mA and the ELCB should clear the fault within 200 milli-second

    time.

    13. Label all the receptacles on temporary racks with the circuit voltages present and

    identification of source of power.

    14. Do not close switches of a line after work, unless you get written line clearance

    information from the concerned authorized officer saying that all men or material and

    earthing on line have been removed.

    15. Do not use water, soda acid or foam fire extinguishers on electrical fires as they may

    result in fatal shock. Switch off the power supply and use only dry powder or carbon-

    dioxide fire extinguishers.

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    SAFETY IN USE OF LADDERS

    HAZARDS

    Slipping and falling from heights.

    Toppling of ladders

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. While placing ladder the horizontal distance from the base of ladder to the vertical plane

    of support should be approximately one fourth of ladder length. ( The ladder bottom

    should be 1 meter from the object against which the top is leaning if the ladder length is

    4 meter). Therefore angle of ladder legs with ground should be approximately 75.52 o

    2. Never use an unsound ladder.

    3. Before using a ladder inspect for missing cleat or cracked rungs.

    4. Ladder should not be painted

    5. Ensure that ladder is set on a firm level base.

    6. Do not place a ladder close to live electric wiring.

    7. Have a man at the foot to hold the ladder or lash the top of ladder securely against

    resting face.

    8. Do not carry load on person while climbing or descending the ladder-use a hoist line

    9. Do not lean sideways from a ladder- it is safe to move the ladder after the person has

    alighted.10. Never lash two ladders to make longer one.

    11. Face a ladder climbing or descending

    12. Never slide down of ladder.

    13. Mobile scaffold / ladders / telescopic ladder shall be maintained properly. Attached

    wheel locks, riggers etc. should be always functional. No person should be allowed to

    stand on top when these are being moved.

    14. Preferably use cage ladder for back rest.

    15. Use fall arrestors with full body safety belt or double hook safety belt.

    16. In the event of more height and numbers of ladders required, after every ladder provide

    a landing platform for rest and next ladder rungs should be at 900 to earlier ladder to

    essentially break continuous traverse.

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    SAFETY IN SCAFFOLDING

    HAZARDS

    Fall of persons

    Fall of material and articles

    Failure of scaffolding due to overloadingFailure of the scaffolding members during erection and dismantling

    Contact with energized lines.

    Environmental

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. The scaffold must be Double scaffolding, sturdily built and properly secured.

    2. The scaffold must not be overloaded.

    3. Scaffold higher than 3 meters above the ground must be equipped with minimum two

    level hand rails approximate 1.2 meter decking for top hand rail.

    4. If a scaffold is intended for holding bolts, flanges, bricks, etc., it should have a toe-

    board installed to prevent material from falling as well as person slipping and falling.

    5. Decking on scaffold have minimum gaps in between and must be properly secured.

    Minimum square floor opening grills / grating or chequered plate be used for flooring to

    avoid falling of objects such as nuts, bolts, washers etc.

    6. Scaffold build over passage ways should provide a head clearance of not less than two

    meters7. All scaffolds shall have installed ladders or other suitable means for vertical ascent.

    Portions of scaffold, however, may be used as rungs of ladder.

    8. Minimum two accesses / approaches to be ensured for every scaffold.

    9. Before erecting scaffold near any electrical lines or exposed electrical equipment,

    concerned people should consult their authorities to determine what special precautions

    are required to be taken. Scaffolds should be ensure not to be with in range of flux

    linkage of electrical conductors

    10. Scaffold built in or extending into roadways and walkways shall bear red light markers at

    night and red flag markers during the day.

    11. Provide adequate workspace to enable workmen to move freely in connection with theirwork.

    12. Scaffolding on hot equipment should be constructed and maintained in a manner to

    prevent fire. Wooden planks should be kept such a way that it will not touch the hot

    equipment. As far as possible use of wooden planks be avoided and minimum square

    floor opening grills / grating or chequered plate clamped securely using nuts & bolts be

    preferred.

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    SAFETY WHILE WORKING AT HEIGHTS AND BELOW GROUND LEVEL

    HAZARDS

    A condition or situation that could result into fall

    A condition or situation that could result in person getting buried.

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Check whether there is a safe method of getting to and from the work area with

    minimum two accesses / exits.

    2. Decide what particular equipment will be suitable for the job and the conditions on site.

    3. All employees should secure properly, tools and other material on platform; scaffolds or

    any other elevated points so that they will not fall. Use minimum square floor grill /

    grating or chequered plate for base (floor) & toe guard / board for avoiding fall of

    materials or slippage & fall of person. Tie hand tools to belts.

    4. Make sure that scaffolding and ladders are as per safety standard norms. Ladder be

    preferably cage ladder & scaffolds should have minimum two level hand rails with top

    layer at 1.2 m from scaffold floor level.

    5. Check any equipment provided by another company is safe on site before using it.

    6. If no other means of providing a safe place of work at height is available, then

    appropriately anchored harness should be worn; whenever harnesses are used a

    method must be available to enable people to be rescued from fall and being leftsuspended in their harness by way of achor from nearest permanent structure or

    lifelines.

    7. When selecting a safe system of work at heights, all the risks have to be considered

    before one method is selected. For example, if nets are selected, is there adequate

    clearance under the nets to prevent injury to those who may fall into them? If harnesses

    are used, is there sufficient clearance from the ground to allow the shock absorbing

    lanyard or inertia reel to fully extend.

    8. Physical condition and suitability of steps, rung ladders.

    9. Helmet with chin straps, in working condition.

    10. Safety belt with double lanyard with arrangement for life line support.

    11. Manila rope used as lifeline or for any other purpose shall be checked before each

    application and in each shift, when it is in use.

    12. Area on ground beneath the height where job is being executed has been properly

    barricaded / fenced indicating danger, displaying necessary placards.

    13. Concerned departmental personnel whose work may get affected by the job have been

    identified and communicated.

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    14. Any work at height shall be carried out only in presence of skilled supervisor.

    15. Only trained persons shall be allowed to work at height. Workers will have to be

    permitted to work at height only after clearing height phobia test and upon certification by

    registered medical practitioner to that effect.

    16. If working at height includes gas cutting and welding, working in gaseous hazardous

    area, near electrical installation, work permit should be obtained from authorizedagencies separately for each hazard.

    Below ground level

    1. While making excavations, trial pits must be excavated to detect existing services if any, in

    the alignment of the excavation.

    2. Concerned agencies who have provided the services be formally informed of the program

    for excavation so that they can send their representative at the place of excavation.

    3. Care should be exercised to ensure that any buried cable or services are not damaged.

    Clearance must be obtained from Utility Department as regard layout / routing of buried

    services to ensure not to foul with excavation.

    4. Employees must properly barricade all excavations, manholes, valve boxes, pipe tranches

    etc., if such opening is to be left over-night in a frequented location; it is the responsibility of

    the group doing the work at such location to ensure that necessary arrangements are made

    for installing caution signs, barricade etc.

    5. Where shoring, bracing or other types of supports are considered necessary for excavation,

    they should be provided by those executing the job.

    6. Excavation 1.5 M more in depth shall be provided with minimum two ladders for access.

    Hot Work Permit be secured for deep excavation jobs where head is below grade.7. No equipment, material be stored within 2 to 2.5 meters from the edge of the open

    excavation.

    8. Edge of the excavation should not be vertical but should be profiled outwards at the top to

    avoid fall of soil. Which could entrap personnel.

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    SAFETY IN USING HAND TOOLS / MACHINES

    HAZARDS

    Hit by flying object

    Cut or hand injury

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Do not transfer the tools from one man to another by throwing. Instead hand them over

    in a safe way.

    2. Tools should be used only for the purpose for which they are designed and should be

    inspected periodically for defects. Return defective tools to tool room for repairs.

    Redeploy such defective tools only after the repairs are done to eliminate the defects in

    totality.

    3. Provide a fitness tag with date of checking on tools after each inspection.

    4. Tools having burns, cracks, mushroomed heads, and broken, loose or splintered handle

    must not be used. Return such tools to tool room.

    5. Always use a holderwith a chisel or drill when sledging.

    6. No edged or pointed tools shall be carried in pockets or belt, or transported unless they

    are fully protected.

    7. A screw driver should not be used as a chisel or lever.

    8. When using screw driver do not hold material in hand.9. Electrician should use tools with only insulated handles.

    10. Non-sparking tools shall be used, wherever explosive or flammable material is present.

    11. When handling springs or cutting wires or material under tension, use caution to prevent

    its flying back or springing.

    12. Do not leave tools hanging on platform, pipes, and work tables or on the machinery

    which on falling may cause injury.

    13. Take care and avoid using tools which do not have handle. As they may cause injury.

    14. Ensure to use tools such as grinding machines with proper safety guard in place.

    15. Electrically operated hand tools such as drilling machines, grinding machines should be

    used only with three pin plugs and sockets with proper earthings.

    16. Electrical cable used in hand tool should be of rated capacity and as far as possible joint

    free.

    17. Ensure use of proper hand gloves, face shields, goggles etc. based on the tools to be

    used.

    18. Do not use over size spanners with packing for tightening nuts or bolts.

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    SAFETY IN USE OF CRANES AND EXCAVATION MACHINES

    HAZARDS

    Capsizing / Toppling

    Collapse / Failure of boom.Object falling from height

    Swinging / Load hitting adjacent structure

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Crane shall be stationed for operation only on firm ground. Tyre mounted Hydrauliccrane with telescopic boom must be leveled on out riggers and load of crane must be on

    out riggers and not on tyres.

    2. All mobile cranes shall meet the Motor Vehicle Act and other statutory requirements, and

    be operated by experienced and licensed operators having valid license only.

    3. All mobile cranes must have Load Chart, Angle Indicator, Level Indicator, Safe Load

    Indicator, and Boom Back Stop.

    4. A crane should never be overloaded beyond 85% of its rated capacity

    5. Do not carry loads above people / no one must walk under a suspended load. Load

    movement are must be cordoned off / barricaded & entry restricted.

    6. No person is allowed to ride on loads being carried.

    7. Never use crane for side pulls.8. The operator should not leave his position at the control while the load is suspended and

    till the load is released & there is no load on the crane hook.

    9. Only authorized persons shall make sling hitches and give signals for operation.

    10. Ensure a tag line or a guide rope/s held by an experienced person / s in case of a freely

    swinging load.

    11. All exposed moving parts shall be adequately guarded, and the crane must be provided

    with automatic braking device in case of power failure. Load exceeding 75% of the crane

    capacity or load lifted above a building or a structure, and load being lifted by 2 cranes is

    considered Critical Load. Lifting of all such loads shall be approved by a team

    comprising Contract Administrator, Construction Manager and Crane Inspector.12. Due permission must be obtained if the crane is to be operated in the vicinity of electrical

    lines, and proper clearances maintained.

    13. Before commencing travelling or when the hook approaches near or over personnel,

    warning signal should be sounded.

    14. When work is stopped crane should be kept in parking position and ignition key in

    possession of authorized operator. Under no circumstances key should be made

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    available to the cleaner of crane. In case of hydraulic operated telescopic boom must be

    totally taken in and made horizontal and hook for any crane should not be allowed to

    swing the hook must be anchored to crane body).

    15. Crane to be deployed must be with latest valid load test certif icate issued by

    Government approved Competent Person and condition of all parts such as , drum, wire

    ropes, hook, brake for drum, pulleys, boom, hydraulic system including pumps, locks etc.must be duly certified by Government approved Competent Person.

    Excavation Machines

    16. Tyre mounted cranes shall be equipped with outriggers to properly stabilize the crane

    while operating.

    17. On all mobile cranes the hoist and boom drums shall be provided with pawl or dog

    (without counter weight) in addition to the brake to hold the load and the boom whensuspended.

    18. The operator shall not leave the cab while master clutch is engaged.

    19. Cranes or shovels setting on steep slopes / grades shall be securely blocked or secured

    with a tail hold.

    20. In addition to the qualified / experienced operator, there shall be another crew as an oiler

    / rigger / signaler to guide the operator when his vision is obscured / impaired, and be

    available as a second person required skill if and when need arises during any

    emergency.

    21. Control handles, levers and switches shall be marked to show their functions and how

    they should be operated, and shall be designed such that they cannot be operatedaccidentally.

    22. Where ground is soft or uneven, timbering and planking shall be used to provide firm

    foundation and distribution of the load.

    23. All persons shall keep away from the shovels swing and shall not be permitted to stand

    at the back of the shovel or in line with the swing of the dipper during operation or

    movement of the shovel.

    24. Unauthorized persons shall not be allowed on the shovel nor shall the operator engage

    himself in conversation with anyone while operating the machine.

    25. The shovel dipper shall rest on ground or on blocking during shutdown periods.

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    Hand Signals for Overhead Cranes

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    Hand Signal for Mobile Cranes

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    Hand Signals

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    SAFETY IN MATERIAL HANDLING

    HAZARDS

    Object falling from heightSwinging / Load hitting adjacent structure

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Every machine and tackle should bear following marking:

    Identification mark or number ( related to the test certificate)

    Safe Working LoadDate of proof load test (Stamping).

    2. It should be ensured that the load is safe and when slung, is as secure in the air as it

    was on the ground.

    3. The weight of the load must not exceed the safe working load of the slinging gear

    4. The load must be contained or held securely by the slinging gear.

    5. The load must to so slung that it will not suffer collapse, changes of form or posture or

    internal displacement when subjected to jerk, swings and bumps after the initial

    tightening.

    6. The load must not damage or be damaged by the slinging gear.

    7. The slinging method should be suitable for the type of load to be lifted having adequate

    means of attachment to the load and the lifting appliances.8. Never use a sling that has stretched or a hook that has begun to straighten. Take

    defective equipment out of service.

    9. Load compress gas cylinders only in a cradle or similar device.

    10. While hooking or unhooking load, keep hand out of pinch point. Use hand hooks

    wherever possible.

    11. Do not drag, throw or drop the slings

    12. When releasing the slings, make sure that they are entirely free from load.

    13. Never walk under the load or permit others to do so.

    14. Use standard signal, make sure the load is safe and warn everyone to stay well out of

    the way in case the load would swing or fall.

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    SAFE WORKING LOADS OF VARIOUS ROPES

    TYPES NYLON POLYESTER POLYPROPYLENE

    FACTOR OF

    SAFETY

    9 9 6

    DIAMETER WT. PER S.W.L.

    METER

    WT. PER S.W.L.

    METER

    WT. PER S.W.L.

    METER

    INCH MM KG KG KG KG KG KG

    3/16 4.7

    1/4 6.4

    5/16 7.9

    3/8 9.5

    7/16 11.1

    1/2 12.79/16 14.3

    5/8 15.9

    3/4 19.0

    13/16 20.6

    0.01 50

    0.02 80

    0.04 125

    0.05 185

    0.07 250

    0.10 3200.12 400

    0.16 520

    0.22 715

    0.25 855

    0.02 50

    0.03 60

    0.05 125

    0.07 185

    0.09 250

    0.12 3200.15 400

    0.19 500

    0.26 630

    0.31 780

    0.01 60

    0.02 90

    0.03 140

    0.04 200

    0.06 260

    0.07 3150.09 385

    0.11 465

    0.16 640

    0.19 745

    7/8 22.2

    1 25.4

    1 1/16 27.0

    1 1/8 28.6

    1 1/4 31.8

    1 5/16 33.3

    1 1/2 38.1

    1 5/8 41.3

    0.30 1005

    0.39 1260

    0.43 1450

    0.51 1660

    0.60 1890

    0.67 2165

    0.82 2670

    1.01 3275

    0.37 905

    0.45 1105

    0.51 1285

    0.59 1485

    0.69 1670

    0.78 1890

    0.99 2355

    1.22 2870

    0.22 865

    0.27 1055

    0.30 1205

    0.35 1380

    0.40 1585

    0.45 1775

    0.57 2245

    0.71 2720

    1 3/4 44.5

    2 50.8

    2 1/8 54.0

    2 1/4 57.2

    1.23 3930

    1.41 4635

    1.62 5340

    1.92 6300

    1.46 3415

    1.76 4030

    2.00 4735

    2.34 5390

    0.85 3250

    1.03 3930

    1.19 4610

    1.37 5215

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    22

    SAFE WORKING LOADS OF VARIOUS ROPES

    TYPES HIGH DENSITYPOLYTHYLENE

    3 STRAND FIBRE ROPE WIRE ROPE(6*37) FIBRE

    CORE

    MANILA SISAL

    FACTOR OF

    SAFETY

    9 5 5 8

    DIAMETER WT. PER

    S.W.L.

    METER

    WT.PER S.W.L.

    METER

    WT.PER S.W.L.

    METER

    WT. PER S.W.L.

    METER

    INCH MM KG KG KG KG KG KG KG KG

    3/16 4.7

    1/4 6.4

    5/16 7.9

    3/8 9.5

    7/16 11.1

    1/2 12.7

    9/16 14.3

    5/8 15.9

    3/4 19.0

    13/16 20.6

    7/8 22.2

    - -

    0.020 66

    0.029 100

    0.05 150

    - -

    0.071 200

    0.10 300

    0.125 367

    0.16 500

    0.20 600

    0.24 700

    - -

    0.03 50

    - -

    0.06 120

    - -

    0.11 240

    - -

    0.20 395

    0.25 490

    - -

    0.34 695

    - -

    0.03 40

    - -

    0.06 95

    - -

    0.11 190

    - -

    0.20 315

    0.25 390

    - -

    0.34 590

    - -

    - -

    - -

    0.33 575

    0.45 775

    0.60 1010

    0.74 1285

    0.92 1528

    1.32 2285

    1.58 2675

    1.88 3075

    1 25.4

    1 1/16 27.0

    1 1/8 28.6

    1 1/4 31.8

    1 5/16 33.3

    1 1/2 38.1

    1 5/8 41.3

    1 3/4 44.5

    - -

    - -

    0.38 1080

    0.50 1415

    0.58 1580

    0.77 1915

    0.83 2080

    - -

    0.40 815

    - -

    0.54 1085

    0.62 1220

    - -

    0.89 1675

    1.10 2040

    1.13 2400

    0.40 650

    - -

    0.54 870

    0.62 970

    - -

    0.89 1340

    1.10 1630

    1.13 1920

    2.37 4060

    - -

    2.99 5075

    3.69 6285

    - -

    5.32 9075

    6.25 10660

    7.24 12385

    2 50.8

    2 1/8 54.0

    2 1/4 57.2

    - -

    - -

    - -

    1.60 2810

    1.86 3265

    2.17 3715

    1.60 2245

    1.86 2610

    2.17 2975

    9.46 16135

    10.68 18285

    11.98 20450

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    23

    SAFE WORKING LOAD OF 2 LEG SLING AT VARIOUS ANGLES

    Safe working

    load of sling

    marked on

    sling 900legs

    apart

    Safe

    working

    load at 00

    Safe working

    load at 300

    legs apart

    Safe working

    load at 600

    legs apart

    Safe working

    load at 1200

    legs apart

    Test load to be

    applied at 00

    Tonnes Tonnes Tonnes Tonnes Tonnes Tonnes

    1

    2

    3

    5

    1015

    20

    25

    30

    35

    40

    45

    50

    55

    60

    65

    70

    75

    80

    86

    90

    95

    100

    1.414

    2.828

    4.242

    7.070

    14.1421.21

    28.28

    35.35

    42.42

    49.49

    56.56

    63.63

    70.70

    77.77

    84.84

    91.91

    98.98

    106.05

    113.12

    120.19

    127.26

    134.33

    141.40

    1.365

    2.730

    4.095

    6.820

    13.65020.460

    27.280

    34.100

    40.920

    47.740

    54.600

    61.420

    68.240

    75.060

    81.880

    88.700

    95.520

    102.340

    109.160

    115.980

    122.800

    129.620

    136.440

    1.225

    2.450

    3.675

    6.125

    12.25018.375

    24.500

    30.625

    36.750

    42.875

    49.000

    55.125

    61.250

    67.375

    73.500

    79.625

    89.750

    91.875

    98.00

    104.125

    110.250

    116.375

    122.500

    0.707

    1.414

    2.121

    3.535

    7.07010.605

    14.14

    17.675

    21.21

    24.745

    28.28

    31.815

    36.35

    38.885

    42.42

    45.955

    49.49

    53.25

    56.56

    60.095

    63.63

    67.165

    70.70

    2.828

    5.656

    8.484

    14.140

    28.2842.42

    56.56

    70.70

    84.84

    98.98

    113.12

    127.26

    141.40

    155.54

    169.68

    183.82

    197.96

    212.10

    226.24

    240.38

    254.52

    268.66

    282.80

    P X Cos

    450

    P P x Cos

    150

    P x Cos

    300

    P x Cos

    600

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    24

    SAFETY IN GAS CUTTING AND WELDING OPERATIONS

    HAZARDS

    ElectrocutionFire and burns

    Explosion.

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Do not weld or burn on any container where flammable material are stored or explosive

    gas accumulated inside.

    2. Welder should use proper welding dress such as face shields or goggles, aprons, gloves

    and gumboots.

    3. Gas cylinder must be protected from heat, extreme weather conditions, falling or

    damage of any kind.

    4. Compressed air must not be used to blow or clean welding and cutting equipments as it

    may carry moisture or oil.

    5. Do not use electrical conduits as earth conductors.

    6. All connection must be clamped or bolted securely and tight to avoid arching. Insulation

    of leads must be checked and leaks rectified.

    7. Welding cable or gas tubes must not be dragged or pulled along the floor. They must belifted to avoid damaged to them.

    8. Whenever welding or cutting operation is done on elevated places, make sure that the

    sparks do not fly or fall on equipment or material and cause fire. Provide a suitable

    shield or screen to arrest the flying sparks.

    9. Welding cable or gas tube must be protected from any damages due to contact with

    sharp material or falling sparks.

    10. Gas tubes must be frequently inspected for deterioration or leak, as such leaks tend to

    fire or explosion risks.

    11. Goggles or welding screen must be used while chipping & grinding. Brush must be used

    for cleaning welding metal.

    12. Ensure use of proper keys for opeming / closing valves of gas cylinders.

    13. Do not role gas cylinders. Keep Gas Cylinders in up right condition mounted on trolleys

    & properly chained.

    14. Use proper friction gas lighter and do not use an electric arc.

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    25

    SAFETY IN CONFINED SPACE WORKING

    HAZARDS

    Presence of toxic gases inside vessels or pipeline in harmful concentration.

    Presence of explosive gases in the vessel or pipeline, which may cause an explosion

    when heated or ignited.Danger of asphyxiation for want of oxygen for breathing and also by presence of rich

    concentration of Nitrogen inside the vessel in case the vessel had been purged with

    Nitrogen (inert gas).

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Effectively isolate the equipment or pipeline from the process.

    2. Pipeline connecting the piece of equipment or pipelines, to be closed with blank flanges.

    Do not rely upon valves.

    3. If it is practicable, one of the connecting pipe should be disconnected and the line part

    suitably blanked

    4. The valve and pipelines connecting the equipment should be tagged. The tags should

    not be removed without approval of the person who had signed it.

    5. The residual gas inside the equipment or pipeline should be vented to atmosphere at

    safe location.

    6. The equipment or pipe line should be purged with inert gas to remove all the hazardous

    gases and should be vented at safe locations. The purging agents should be selectedafter taking hazard into consideration.

    7. The gases coming out of the vessel or pipe line should be checked and analysed for the

    concentration of hazardous gas. In case of vessel that had been purged with nitrogen, a

    wash with air should be given. Nitrogen will not support life.

    8. Proper ventilation must be provided to get minimum 19.5 % oxygen

    9. Appropriate Personal Protective Equipment should be worn by the workers entering

    vessels. Entry of personnel should not be permitted without checking concentration of

    gas by using gas meter & safe removal of gas prior to permitting entry.

    10. If fire hazards are present, suitable fire fighting appliances should be kept ready on the

    spot.

    11. Confined spaces include deep excavations, working in tunnels, working in pressure

    parts, vessels, tanks entering through manholes, etc., where along with presence of

    Oxygen, concentration levels of H2S, NO2, CO & CO2 are also important. When

    working at such places .escape ladders or routes, life lines, dewatering arrangements,

    sufficient lighting (24 Volts), communication (telephone lines) and ventilation are

    essential as per site requirement. (Refer-Safety in Tunnelling)

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    26

    SAFETY IN TUNNELLING

    HAZARDS

    Rock falls.

    Foul gases.

    Failure of mechanical equipments.

    Electrical shocks.

    Poor lighting.

    Handling of explosives etc.

    Absence of contingency plans.

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Ensure that workers engaged in tunnelling use required PPE and protection clothing

    preferably high visibility clothing.

    2. Ensure to practice work permit system in respect of tunnelling work since this is a

    confined space working. Nobody shall be permitted to enter the tunnel without obtaining

    valid work permit. It is advisable not to ever enter a tunnel alone and without a proper

    two way communication system.

    3. Ensure that tunnelling work is started and continuously monitored under supervision of a

    competent supervisor

    4. Ensure use of only proper, suitable, sound, free from parent defects, having adequate

    strength material for shoring, bracing and supporting work which shall be properly,adequately, firmly secured using wages, props etc and extended up to the bottom of the

    tunnelling. These shall be regularly inspected and maintained.

    5. Ensure safe access to reach safe place in the event of flooding.

    6. Ensure proper barricading of the entire tunnelling area at least 1 m high along with

    specific symbols, boards (placards) flags, warning notices and red danger lights

    clearly displayed.

    7. Ensure to periodically inspect the tunnel, preferably once in a week to identify any weak

    rock zone or deterioration of any rock already exposed. Identified weak rock shall be

    given necessary treatment such as rock bolts, shotcrete, temporary support or

    permanent support as per the requirement.

    8. Ensure to safeguard against foul gases resulting either from blasting or from geology of

    rock by way of designing proper ventilation system.

    9. Ensure to maintain atmosphere inside the tunnel to have oxygen not less than 19.5%,

    carbon monoxide not more than 0.005%, carbon dioxide not more than 0.5%, other

    gases such as nitrogen fumes, methane, hydrogen sulphide etc within specified limits.

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    27

    Ensure to have necessary instruments available at the site to detect and monitor on daily

    basis %ages of methane, carbon monoxide, carbon dioxide, hydrogen sulphide etc.

    10. Ensure availability of sufficient numbers of oxygen breathing apparatus at the site.

    11. Ensure to use wet drilling to minimise the dust generation.

    12. Ensure to use only electrical battery operated ( preferably 24 volts) or pneumatic

    equipments inside the tunnel.13. Ensure to routinely check and inspect all mechanical equipment physically as well as for

    performance and maintain a log book.

    14. Ensure that all the electrical equipment are properly earthed and that there are no loose

    contacts, loose connections anywhere in the electrical circuit so as to avoid sparking.

    15. Ensure that all electrical installations are inspected, tested and maintained by qualified

    and experienced electricians.

    16. Ensure to use low voltage lighting system in the tunnelling work, preferably 110V to

    avoid and at least minimise fatal shocks. Hand lamps and small hand tools shall be of

    24V rating.

    17. Ensure proper and adequate design of lighting system to have minimum level of 100 lux

    illumination at working points and minimum 50 lux in the general area.

    18. Ensure to protect all light fittings against excess water. Ensure to check, clean and

    maintain lighting installations regularly.

    19. Ensure to set up before hand the procedure to be followed in the event of misfire. In

    India refer to IS: 4081 and Indian Mines Regulation in the event of any doubt.

    20. Ensure to have a qualified safety engineer available at the site on permanent rolls. The

    safety engineer shall have duly prepared contingency plans for evacuation in the event

    of accidents.

    21. Ensuring availability of properly installed and maintained communication system.

    22. The safety engineer shall also ensure that emergency contact numbers, rescue

    procedures are prominently displayed for general public knowledge as well first aid, fireextinguishers, breathing apparatus, emergency lights and communication systems are

    easily and readily available. Safety engineer shall also ensure general safety of men and

    machinery. It shall be ensured to have different paths for vehicles and pedestrians.

    23. Ensure to provide sufficient ventilation as designed and if required ensure to provide

    proper exhaust.

    24. Ensure use of proper working platforms with toe guards hand railing etc complete,

    ladders firmly secured tied with ropes etc for doing the tunnelling job where required.

    25. Ensure to use only low pollution explosives.

    26. Do not permit any one to tamper with any service lines ( electrical cables, telephone

    cables, water pipes, sewage pipes etc.) encountered during tunnelling; immediately

    bring to the notice of the concerned supervisor and resume work upon clearance from

    concerned department post inspection.

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    28

    SAFETY ON ROADS

    HAZARDS

    Hitting objectSkidding

    Colliding

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Always keep all relevant papers and show on demand driving license, registration,

    insurance, entry pass, road permit, vehicle fitness, emission certificate, etc.2. Follow all safety rules.3. Clear and unobstructed access / approach roads, unidirectional traffic, speed limit

    boards, and designated parking places should be ensured.4. Provide road safety caution boards at site as per road safety rule5. Registration number plate should be in accordance with motor vehicle rules.6. Keep the vehicle in excellent running condition. Check fitness and road worthiness of the

    vehicle before taking on road.7. Give proper signal while turning and slowing down.8. Drive within specified speed limit. At site maintain speed limit as 10-15 Km/hr.9. Do not use mobile phone while driving.10. Always keep left and give signal while changing lane.

    11. Keep safe distance from the vehicle ahead.12. Do not overtake from left.13. Do not park in No Parkingarea.14. Do not drive in alcoholic condition or under influence of drug.15. Before driving ensure that no one is under or very near to the vehicle.16. Do not drive during no entry / safety timing.17. Do not load the vehicle beyond capacity. Do not load vehicles resulting in overhangs /

    projections etc.18. Ensure no dust flying, solid particles / lumps falling and liquid spills on the road.19. Do not allow any person on the deck.20. Helper must be there to give signal while reversing. Reverse horn should be ensured to

    be in working order.

    21. Maintain steady driving, do not change lane or overtake.22. Do not drive Two Wheeler without crash helmet.23. Drive Four Wheeler using safety belt.

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    29

    SAFETY IN HOUSEKEEPING

    HAZARDS

    Trips, slips and falls

    Cuts and other injuriesFire & explosion

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    1. Awareness of cleanliness, timely clearances of rubbish such as piles of bricks, wood,paper, rags, oil / water spillages, compressed gas leakage sealing and availability of

    scaffoldings, ladders, oxygen cylinders and protective equipment such as oxygenmasks would lead to good housekeeping and prevention of accident.

    2. Sizes and allocation of the specific areas are to be finalized depending upon quantity andthe nature of the material to be handled, such as radiation prone, inflammable, toxic,explosive, detonable etc. need to be identified.

    3. Non smoking zones required in respect of material like methanol, petrol, diesel etc4. Provision of covered dust bins, drums etc at various locations and rubbish dumps

    clearing from time to time are to be ensured. Trips, slips and falls account for one of themajor reasons for accidents on a construction site, and most of these are caused byrubbish and waste material or badly stacked materials. Timbers left lying around withprotruding nails can penetrate even safety boots. Rubbish build is also a cause of fire dueto carelessly thrown cigarette buts or from gas cutting / welding spatters / spark.

    5. Papers, wood off cuts, straw packing, electrical off cuts are causes for fire and trippinghazards. Material badly stacked can collapse, get damaged and injure people

    6. Solution to all these is good housekeeping. Spending half an hour daily at the end of theday or major breaks would be a good idea to keep the site tidy.

    7. Adequate storage areas for all material, equipment including for but not restricted toexplosives, radiation equipment, detonators, inflammables, compressed gas cylinders,reinforcement steel, cement, water for drinking as well as construction use,consumables, tools and tackles, equipment to be received and erected, wooden planks/ blocks, winches, cranes, derricks, hoists, chain pulley blocks, pipes, fittings, Max-pullers, wire ropes, manila ropes, nylon ropes etc should be ensured.

    8. Food wastes must not be thrown on ground or this will invite vermin, rats, cockroaches,and the associated problems / diseases. Put them in trash skips or waste burning pits.

    9. Site is to be prevented from fouling by making provisions and proper use of toiletfacilities.

    10. Adequate provision for fire fighting system inclusive of fire water pumps, hydrants,nozzles, hoses, sprinklers, various types of fire fighting extinguishers, water and sandbuckets should be ensured at various locations.

    11. Adequate lighting, illumination in the work site should be ensured, which is also astatutory requirement.

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    30

    FIRE PREVENTION

    HAZARDS

    1. Fire and explosion

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    PRECAUTIONS

    Cause of fire

    For any fire to take place, three basic things have to be present inflammable material (in

    solid, liquid or gaseous form), source of ignition and oxygen. If one of the three is cut off,

    the fire cannot take place. After the fire has broken out, to extinguish the same at least oneof the above three is to be cut off.

    General guidelines

    Fire results from a combination of fuel, heat and oxygen. When the combustible /

    inflammable substance / fuel is brought to its ignition temperature, due to availability of

    ignition source / heat / sparks in presence of oxygen ( which is necessary to sustain /

    continue combustion ) it will burn. Oxygen / air is always available in atmospheric

    condition. Therefore, to prevent fire from bursting out, it is essential to ensure that

    inflammable material is kept away from source of ignition / heat.

    Following are few of the common reasons giving rise to fire:

    Abuse / misuse of electrical tools.

    Abuse and or misuse of electrical tools can lead to igniting created piled up rubbish such asspilt over oils, waste paper, rags, wood, cloth etc. which remain as inflammable materialdue to failure in timely disposal

    Smoking in prohibited areas.

    Use of torches / naked flame, lighters, match-sticks and open lights or spark producing

    tools, welding arc / gas cutting set is being used to light cigarette in the vicinity of

    inflammable substances can lead to fire hazard and in particular in prohibited havinginflammable substance.

    As such, to prevent occurrence of fire, the above should be strictly prohibited. Prevention is

    always better than cure.

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    31

    Classification of fuels

    Sl.

    No.

    Class Type of fuel Example

    1 A- Solid Fuel which is Solid in state on

    burning they leave Carbon as

    residue.

    Wood, Paper, Cotton, Charcoal,

    etc.

    2 B- Liquid Flammable material which

    are in liquid state.

    Petroleum products , Diesel, Paint,

    Spirit, etc.

    3 C- Gases Fuels which are in gaseous

    state.

    LPG, acetylene, Methane, Butane,

    etc.

    4 D- Metals Metals which can burn Sodium, Potassium, magnesium,

    etc.

    5. E- Electrical Flammable material PVC, rubber etc.

    Application of fire extinguishing agent

    Sl.

    N0.

    Extinguishing -agent Class of Fire

    A B C D E

    1 Water Yes No No No No

    2 Sand Yes No Yes Yes Yes

    3 WaterCO2 Yes No No No No

    4 Foam Yes Yes No No No

    5 Dry Chem. Powder No Yes Yes No No

    6 Special DCP No No No Yes Yes

    7 CO2 No Yes Yes No No

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    32

    PERSONAL PROTECTIVE EQUIPMENT

    The selection of PPE depends up on the nature and severity of the hazard, type and

    concentration of contamination, duration of work and limitation of the equipment.

    TYPE OF PROTECTIVE EQUIPMENT

    1. NON-RESPIRATAORY PROTECTIVE EQUIPMENTI. Head protection

    Hazards : Object falling, striking against object, heat spark etc.Equipment : Heavy duty helmet, light duty helmet.

    II. Eye and Face protectionHazards : Dust splashes of liquid, flying particles, welding lightEquipment : Safety spectacles, safety goggles, face shields, welding helmets

    etc.III. Ear protection

    Hazards : Hearing impairment or deafness, loss of efficiency, etc.Equipment : Where noise level exceeds 80 db, the use of ear protection like

    Ear plug, Ear muff, Cotton-wax clad ear plug is obligatory.IV. Hand protection

    Hazards : Materials having sharp end, sharp edges, hot metal, chemical,corrosive etc. electrical current

    Equipment : Gloves, hand pads, finger guards.V. Foot and leg protection

    Hazards : Hit by falling articles, contact with chemical, corrosive liquid etc.fault current earthed through body

    Equipment : Safety shoes, gumboot, etc. with insulated rubber sole andmetallic toe cap.

    VI. Body protectionHazards : Molten metal, flying particles, heat source, etc.

    Equipment : Coats, aprons, head to toe protection, etc.VII. Safety belts

    Hazards : Falling from height.Equipment : Safety belts.

    2. RESPIRATAORY PROTECTIVE EQUIPMENTHazards : a. Oxygen deficiency.

    b. Gaseous contamination.I. Immediate danger to life.II. No-immediate danger to life.III. Particulate contaminants

    c. Combination of gaseous & particulate matter.

    Protective Equipment

    A. Supplied air : I. Air line mask, with blower.II. Self contained breathing apparatus.

    B. Air purifying : I. Chemical filter (Canister gas mask, Chemical cartridgeand Self rescue type)

    II. Mechanical filters (Nuisance dusts & Micro filter)III. Combination of chemical and mechanical filters.

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    33

    FIRST-AID AND EMERGENCY PLAN

    Firstaid accomplishes two important things:1. Making patient more comfortable2. Reduces the chances of further injury either from loss of blood or the danger of unnecessary

    movement.What to do first

    Take charge of the situation. Be tactful but firm. Call ambulance as early as possible

    Keep calm do & what must be done as promptly as possible.In case of bleeding

    Tell patient that he IS going to get better.

    Give him rest, and assurance.

    Apply a dressing with pad if necessary and bandage firmly.

    Provide treatment of wound with severe bleeding.

    Clean the wound with antiseptic solution.

    Try to stop bleeding.

    Rush the patient to medical center or hospital.

    Use tourniquet, if direct pressure on bleeding point does not stop bleeding.In case of fractures

    Make the patient comfortable.

    Keep support or immobilize the affected part up to joints or both ends using splints or anyother material.

    Never attempt to bring the bones to normal position.

    Check bandage every five minutes to make sure that they are not too tight & do notresult in stopping blood circulation / supply.

    Transport the casualty very gently especially if you suspect backbone injury.

    Rush the patient to medical center or hospital.In case of burns

    If cloth catches fire wrap rug, blanket or coat around the person firmly. Do not allow himto run in panic as movement fans flames.

    Lay the person on soft covering, with head low and cover with blanket. Loosen clothing,raise feet about 8 by propping up one end of bed. Never remove clothing unless it issoaked with corrosive liquid or petrol.

    Place burned part under slow running water or immerse in cold water.

    Cover burn with clean and dry cloth.

    Do not apply any antiseptic cream or lotion.

    Rush the patient to medical center or hospital.In case of electric shock

    Switch off current, if this cannot be done remove supply from victim with the help of woodor non conductive material, like hokey, walking stick, dry cloth etc.

    If victim is cold, clammy, breathing is shallow and pulse is rapid and weak, then give himreassurance. Make him comfortable.

    If victim has stopped breathing, start artificial respiration immediately.

    Get medical help.In case of emergency

    Know about site emergency plan where you are working.

    Act as per site emergency plan.

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    34

    If you are member of any team report to your team leader in emergency.

    Do not create panic.

    Reach to assembly point at the earliest.

    Do not give any instruction to anybody unless you are assigned with such responsibility in

    the emergency plan.

    Sound a siren in case of fire.

    Dos and Donts

    While using portable grinder

    Dos

    1. Do check all wheels for other cracks or other damage before mounting.

    2. Do check machine speed against approved operating speed of the wheel.

    3. Do make sure that wheel hole, (threaded or unthreaded), fits machine arbor / spindleproperly and flange are clean flat and of proper type for the wheel you are using.

    4. Do run wheel in protected area for one minute before grinding.

    5. Do use the wheel guard furnished with machine.

    6. Do always wear protective safety glasses or face shield.

    7. Use blotters provide with the wheel.

    8. Use proper three pin plug & socket.

    9. Use hand gloves of appropriate type.

    Donts

    1. Dont use wheels which have been dropped or otherwise damaged.

    2. Dont use a grinding wheel that has rated speed less than speed of grinder.

    3. Dontuse excessive pressure when mounting wheel between flanges. Tighten nut only

    enough to hold wheel firmly.

    4. Donthandle machine carelessly.

    5. Dontmount more than on a wheel on a single arbor.

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    35

    SAFETY AUDIT

    FREQUENCY OF AUDIT

    1. Once in every two months with questionnaire

    ORDER OF RESPONSIBILTY

    Site In-charge / Safety Officer / Engineer / Supervisor

    Safety audit is a technique to systematically evaluate & appraise the effectiveness of a safety

    program under execution. This helps to improve and upgrade the existing safety program.

    Safety audit is a methodology to critically evaluate safety program and performance in terms of

    accident frequency, severity rates, identification and control of hazards and assessment of

    financial losses on account of bad performance. Safety audit can also be categorized as basic

    audit, self audit and professional audit. Basic audit means ensuring that all basic elements of the

    safety program are implemented including analysis of qualitative, quantitative, setup, procedures

    and controls, hazard identification education, training and maintenance of relevant records. Self

    audit involves analysis of elements such as leadership and administration, training, inspection

    procedures, inventory and job analysis of critical jobs, investigations of accidents / incidents,

    emergency preparedness, rules and regulations, group safety meetings and communication,

    community education and demonstration.

    Safety audit, both basic and self, should be conducted in-house by safety personnel on regular

    basis in order to assess the site situation, to facilitate taking corrective action / remedial

    measures and learning to ensure safe working conditions, to exhibit management care and

    concern about the work force, and to keep their morale high.

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    36

    MEASUREMENT OF SAFETY PERFORMANCE

    Safety performance of site is measured to improve processes and procedures being practiced at

    site. Following two methods have been adopted.

    DuPont Method

    The Site should be audited on daily basis, maintaining an element of surprise, to assess the

    unsafe conditions and unsafe acts the prime factors responsible for causing accidents /

    incidents / near misses. The audit observations could be categorized, as explained above under

    the heading - observations, and assigned severity rating on 1 to 5 scales on the following

    pattern depending upon the severity -1 being minor and 5 posing fatality potential

    (Alternatively it could be Safety index from 1-5 with sites/ work places with Safety Index as one

    being Most Unsafe and 5 being Most Safe).

    Severity Rating 1: Untidy area, minor issues.

    Severity Rating 2: Restricted access, littered scrap / trash, and disorderliness.

    Severity Rating 3: Violations of Rules and Procedurespotential injury.

    Severity Rating 4: Unsafe conditions serious injury potential take prompt

    action

    Severity Rating 5: Immediate serious injury potentialstop activity immediately and correct

    A Severity Index (SI) of 2.2 or lower shall be targeted to ensure safe working. Maximum of the

    weeks SI should be reported on weekly basis for review. Depending upon the size, the site may

    be divided into zones, and responsibility assigned to a senior person for each zone. In case of

    higher than 2.5 SI found during the audit, all activities of the site/zone should be stopped and

    corrective action taken before restarting the work.

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    37

    Sum of violations XTheir respective severity rating

    Severity Index (SI)=

    Total no. of violations observed during the audit

    The audit process shall also provide coverage to compliance to safety standards, good

    citizens(clothing & PPE compliance and no act violation),quality of safe work procedures, and

    awareness of safety standards and rules; aim / target 98 100 % for compliance to safety

    standards and good citizens, and 4.95 for the rest on 1 to 5 scale.

    A simple guide for site work execution could be

    100 % compliance to safety standards.

    100 % good citizens

    Severity index 2.2

    No incidents

    As described earlier, the objective of safety observations and audit is to improve the safety

    performance. Some of the parameters against which this could be measured are as follows

    - Lost work days

    - Total injury rates

    - Reduction in cost of equipment damage, insurance premium, and

    compensation.

    - Attendance at safety meetings

    - Completion of training

    - Increase in strength of knowledgeable and skilled employees

    - Increase in employees involvement and cooperation

    - Reassured full work force with high morale

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    38

    Site Safety Index

    Audit is conducted and a radar chart is prepared based on the following criteria

    0 1 2 3 4 5

    House-

    keeping

    Materials

    are

    scattered,No clear

    area,

    haphazard,

    personnel

    are not

    aware,

    repeated

    finding.

    Materials are

    scattered,

    No cleararea,

    haphazard,

    personnel

    are not

    aware

    Awareness is

    not available,

    not clearlyidentified,

    walkway clear.

    Awareness

    good, clear

    identification,barricaded,

    few material

    not stacked

    Awareness good,

    Clearly identified

    location for materialstorages,

    barricaded, material

    are stacked in its

    place as per

    standard, no

    signage.

    Clearly identified

    location for material

    storage, descriptionof materials to be

    stored displayed,

    100% material

    stacked in its place

    as per standard. All

    employees are

    aware of where to

    keep what,

    walkways are clearly

    marked & kept clear

    PTW

    (Permit To

    Work)

    No PTW,

    personnel

    working

    PTW written

    but not

    signed, not

    understood

    by supervisor

    PTW written &

    valid. Tool box

    talk not done.

    PTW written &

    valid. Tool box

    talk not done.

    Not displayed.

    PTW written & valid.

    Tool box talk done.

    Signed & displayed

    but not closed.

    PTW in place,

    signed, displayed,

    understood, being

    followed, Closed.

    JSA (Job

    Safety

    Analysis)

    No JSA, No

    details of

    activity.

    JSA written,

    Not covering

    all activity

    being done,

    Hazard

    findings are

    not adequate

    JSA covers all

    activities,

    Hazards are

    Identified

    inadequate

    JSA covers all

    activities,

    Hazards

    adequately

    identified,

    Controls

    inadequate,

    Awareness

    poor.

    JSA covers all

    activities, Hazards

    are Identified

    adequately,

    recommendations

    adequate,

    Awareness need

    improvement

    JSA covers all

    activities, Hazards

    are adequately

    identified,

    recommendations

    adequate, good

    awareness.

    Unsafe

    Condition

    > 10

    findings

    during walk

    > 8 findings

    during the

    walk

    > 6 findings

    during the

    walk

    > 4 findings

    during the

    walk

    > 2 findings during

    the walk

    No unsafe condition

    Supervision No

    supervisor

    identified

    and present.

    Supervisor

    identified but

    not present .

    Supervisor

    present at

    work, not

    observing

    details - too

    many activities

    Supervisor

    present at

    work,

    observing,

    conduct tool

    box talk, Lack

    of awareness

    Supervisor present

    at work, observing,

    conducts tool box

    and aware of

    process. No

    documents

    Supervisor present

    at work, observing,

    conduct tool box

    signature and aware

    of process. Coaches

    and mentors the

    team

    PPE

    AdherenceUnsafe Act

    > 5

    violationsobserved

    during walk,

    No

    awareness

    of PPEs

    > 5 violations

    observedduring walk.

    Personnel

    are aware of

    PPE

    requirement

    > 3 violations

    observedduring walk,

    Inadequacy in

    documentation

    PPE provided,

    documentedbut not worn

    by the

    operators

    PPE provided,

    documented, Awarebut not followed as

    an exception < 3

    findings during walk

    No violation seen,

    properly assessedand documented

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    39

    DISCLAIMER

    IMPORTANT SAFETY TIPS FOR

    CONSTRUCTION SITE ENLISTED IN THIS

    COMPILATION ARE DRAWN BASED ON

    THE FIELD EXPERIENCE AND EMANATE

    FROM VARIOUS NATIONAL AND

    INTERNATIONAL SAFETY RULES. THEY

    ARE MERELY ILLUSTRATIVE IN NATURE.

    FOR ENHANCED UNDERSTANDING OF

    SAFETY REQUIREMENTS THE READERSMAY REFER TO THE RELEVANT

    NATIONAL/INTERNATIONAL RULES.

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    40

    HSE OBJECTIVES

    Sr.

    No.

    Objective Targets

    1 Fatality 0

    2 Lost Time Injury 0

    3 Incident Rate 0

    4 Communication and adherenceto HSE Policy.

    All Employees,all stakeholders

    5 Site Safety Index > 4.2

    6 Severity Index < 2.2

    7 Site Safety Audit Every two months

    8 Site Safety Inspection as

    Checklist

    Daily

    EMERGENCY CONTACT NUMBERS:

    Police Station:

    Fire Station:

    Ambulance:

    Hospital:

    Project Manager:

    Site In-Charge:

    CNBU Pune Office: 020 66216161

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    Safety Officer:

    This SHE Handbook belongs to:

    Name:

    Employee Code No:

    Confirm that I have read and studied the contents of this

    handbook and have got clarifications from my SiteIn-Charge

    regarding the part I did not understand. I will comply with all

    safety rules and regulations and always use all applicable

    Personal Protective Equipment.

    I understand the Site Emergency and Site evacuation

    procedures and will comply with it if such a Situation arises.

    I will promote a safe working culture by my actions andbehavior at the site.

    Signature:

    Date: