Huawei Safety Handbook PDF
December 16, 2022 | Author: Anonymous | Category: N/A
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Description
Site Safety Handbook Edition 2.2
,
www.huawei.com
HUAWEI TECHNOLOGIES CO., LTD.
Foreword
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This Heal Health, th, Safe Safety ty and and Envir Environme onment nt Handb Handbook ook serves serves as a guide for EHS operations on sites.
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It is Huawei’s prime objective that all operations are to be carried out in a safe s afe manner, and that every measure is to be taken to prevent personal injuries to our staff, contracts, customer and members of the general public who have legitimate interaction with our work operations.
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Huawei is fully committed in making the network and operational sites a safe place to work and will treat site safety matters with highest priority.
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It is ho ed that the site mana ement em lo ees and subcontractors will find this handbook useful in understanding the main provisions of our approach to safety.
Remember Think Safety Safety,, Work Safely
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Personal Responsibilities
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Your most important responsibilities are: •
To take reasonable care of your own health and safety.
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To take reasonable care not to put other people fellow employees employees and members members of the public - at risk by what you do or don't do in the course of your work.
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To comply with the defined safety practices, making sure you get proper training where it is required. ' provided for your health, safety or welfare.
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•
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To report any injuries, strains or illnesses you suffer as a result of doing your job. To tell your supervisor if something happens that might affect your ability to work w ork (e.g. becoming pregnant or suffering an injury). If you drive or operate machinery, work at heights to tell your supervisor if you take medication that makes you drowsy or impairs you ability.
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Contents
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Foreword …………………………………... Personal responsibilitie responsibilities s ……………….. Huawei EHS Policy ………………………. Before you Start ………………..………… Accıdents& Incıdents ……………………. Safety Signs ………………..……………... Personal Protectıve Equıpment ……….. Safe Drıvıng ………………..……………… Rural & Remote Locations ……………… Manual Handlıng ………………………….
2 3 5 6 7 9 10 14 19 20
Safe Stacking …………………………. Workıng at Heıght ………………………... …………. Weldıng Safety ………………..………….. Housekeepıng …………………………….. Floor Openıngs …………..……………….. Electrıcal Safety ………………………….. Fire Safety ……………….…………………
23 24
Excavations ……………….………………. Confined Spaces ……………….………… Laser / Fibre Optic Safety ………………. RF Safety ………………..…………………. Emergency Emer gency Conta Contact ct Numbe Numbers rs ………….
49 50 52 53 57
39 40 41 42 46
The information provided here is designed for basic awareness and is not a substitute for specific training or experience.
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Huawei EHS Policy
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Huawei aspires to become a world-class w orld-class leading corporation in the telecommunication industry. industry. We strive str ive not only to keep ahead in technology, quality and service, but also to undertake actively the social responsibility of environment protection, to care for the employees’ occupational health and to offer a safety and agreeable work environment for employees. Consequently, we Consequently, w e promise: Our EHS management covers the full scope of our company business domains, through the implementation of scientific management, manageme nt, satisfies or surpasses all related environmental environm ental protection, the occupational health and safety laws, regulations and other standards. st andards. we will establish EHS goals to drive continuous improvement, improvem ent, conduct periodic internal audits and management reviews to monitor and improve our EHS performance , the production and the company operating processes so as to systematically identify and control all potential environmental environm ental risks and hazards. To put an end to environmental environm ental pollution, occupational disease and any labour injuries. To make green and safety a part of our purchasing strategy, strategy, and to endeavour to influence our suppliers’ EHS management.
Reduce energy & resources positively; constantly promote green production. To constantly cultivate a corporation culture of (attention to) EHS and promote the EHS responsibilities of employees’ To respect employees, pay attention to the employees’ (occupational) (occupationa l) health, and ensure the employees’ rights. To communicate openly with employee employees, s, customers, government, governm ent, the public and (any) other relative parties for improvements of the global environment.
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Before you Start Sıte Safety Requırements
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Before startın startıng g work on on site be sure sure that:that: You have have the appropri appropriate ate train training ing for the tasks tasks
you will perform. You have have the appropriate appropriate perso personel nel protectiv protective e
equipment (PPE) for the task. You check all tools and PPE before use. 6 e
You comp complete lete a Pre start safet safety y brief briefing/ ing/ Site
specific risk assessment before you start your job. You have your ID Card with you.
You understand the safety signs used on site. You understand what to do in the case of an
emergency.
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Accıd Ac cıdent ents s & Inc Incıde ıdents nts Emerge Eme rgency ncy Res Respon ponse se
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In case of incident:•
Contact Conta ct your Huawei supervisor supervisor imme immediate diately. ly.
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Only qualified First Aiders are allowed to render first aid to casualties. This is to prevent prevent further complication to the injured.
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DO NOT move an accident victim unless they are in danger of further injury.
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If you need a profesional help, call immediately.
Accıd Ac cıdent ents s & Inc Incıde ıdents nts Reportıng
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Accident / Incident occurred
Provide First Aid
Inform your Site Manager immediately 8 e a P
Incident : A work-related event event in which an injury or ill health (regardless of severity) or fatality occurred, or could have occurred.
Accident Accide nt : An An incident incident which has giv given en rise to injury injury,, ill health or fatality. Reporting is important to evaluate the root causes of the incident/accident and taking corrective/ preventive actions in order to prevent the occurance of the same or smillar incidents/accidents again.
Safety Signs Make sure you understand the signs used on site S Z S 0 1 0 2 n a J – 2 . 2 n o i t i d E
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Stop and Prohibition signs Circle: white background with red borders and
cross bar; black symbol
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Caution (warning) signs Triangle: yellow background with black border;
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Emergency information signs Rectangle: green background; white symbol
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Mandatory signs Circle: blue background; white symbol
Personal Protectıve Equıpment
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• • • •
Ensure that you have the following items before you start work on site:Safety helmet Site pass Safety harness (when working at height) Safety shoes/boots
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When welding, grinding, or any other operations, always wear the specified PPE associated to that particular job.
• • •
Eye protection Ear protection Protective gloves
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Personal Protectıve Equıpment
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Always wear good condition personal protective equipment (PPE).
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Always ensure it is correctly fitted.
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Always wear PPE appropriate to the job and the assessed hazards. Head protection EN 397
Ear protection EN 397
(or equivalent)
(or equivalent)
Eye protection EN 166
Face protection EN 166
(or equivalent)
(or equivalent)
Hand protection EN 420 / EN 407 / EN 388
Foot protection EN-ISO 20345
(or equivalent)
(or equivalent)
Replace Damaged Items •
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Damaged PPE does NOT provide full protection. Get your damaged PPE replaced.
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Personal Protectıve Equıpment Safety Footwear
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Wearing the correct safety footwear prevents/minimises foot injuries.
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Safety footwear should conform to ENISO 20345-1 / EN345 (or equivalent)
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•
Risks must be assessed to identify the appropriate protection features that are required. No casual shoes, sandals or slippers are allowed in the worksite.
Footwear MUST be appropriate for the identified hazards
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Personal Protectıve Equıpment Safety Safet y Harnesse Harnesses s & Lanyards Lanyards
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Wear and anchor your safety harness when working at height, near openings and edges.
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Only full safety harnesses are allowed, safety belts are prohibited.
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Safety harnesses should conform to EN 358, EN361, EN813 (or equivalent)
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Two ended lanyard will be attached to the safety harness during working at height.
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Lanyards standard should Lanyards conform to EN 354, EN 362 (or equivalent)
Safe Drıvıng Driving Standard
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Vehicle Requirements • • •
All vehicle All vehicles s MUST be fit fit for purpos purpose, e, well mainta maintained ined and fitted with seatbelts. The number of passengers MUST NOT exceed the manufactures specification for the vehicl vehicle e All loads MUST be secure.
Driver Requirements • • • •
• • •
You MUST MUST be Licensed, trained, and medically fit, fit, appropriat appro priately ely rested rested and aler alert. t. DO NOT use a mobile mobile phone phone while operatin operating g the ve c e. e. DO NOT drive if under the influence of alcohol or drugs. Journey management plans MUST be in place for high risk countries, travel to remote (isolated) locations. You set a realistic goal for theday. number of milesMUST that you can drive safely each Seatbelts MUST be worn by all occupants. Safety helmets MUST be worn by rider and passengers of motorcycles, quad bikes etc.
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Safe Drıvıng Driver Considerations
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Stay focused • • • •
Driving requires your full attention. Continually search the roadway to be alert to situations requiring quick action. Stop about every two hours for a break, get out of the vehicle to stretch, take a walk and get refreshed. Maintain a safe distance distance from the vehicles vehicles in front. front.
Avoid Aggressive Driving • • • • • •
•
Keep your your cool in traffic! Be patient and courteous to other drivers. Maintain a safe distance wh whe en sto in startin or in moving traffic. Observe the speed limits. Do not take other drivers’ actions personally. Reduce our stress by planning your route ahead of time (bring the maps and directions), allow plenty of travel time. Be aware of and observe the traffic signs.
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Safe Drıvıng Vehicle Considerations
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Pre-Trip Inspection - Ensure mirrors, signals signals and and lights are clean and not broken, tyres are properly inflated with acceptable tread wear.
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•
Inside the Vehicle Adjust your seat and fasten seat belt. Check and adjust all Mirrors. Adjust your Headrest. Assure doors fully closed and secured. Check windows/w windows/windshield. indshield. Sufficient fuel for the planned journey. Adjust the vents, windows, heater & air conditioner. Where ever possible material and passengers are to be carried separately. If carried in the same space the materials are to be secured to prevent injury to passengers in the event of a collision. colli sion. Routine maintenance
•
• •
Get regular tune-ups, oil changes and brake inspections.
Tyres Maintain proper pressure (measure when cold), under or over-inflated tires can lead to a blowout. Check tread wear. Ensure appropriate tyres are fitted. Rotate tires. Windshield Wipers Change if hard, cracked or brittle; check wiper fluid. Check fluids Oil, transmission, radiator and brakes. Fill the antifreeze in the winter and coolant in the summer.
Fluid leaks are a sign you are overdue for maintenance.
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Safe Drıvıng Vehicle Tyres
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Failure to maintain correct tyreprinciple pressures is one of the causes of rapid shoulder wear, uneven tread wear and premature tyre failure
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Safe Drıvıng Vehicle Loading
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Ensure ALL loads are secured and vehicles are not overloaded.
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Take care when lifting or moving loads by hand.
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Where ever possible material and passengers are to be carried separately.
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If carried in the same space the materials are to be secured to prevent injury to passengers in the event of a collision.
Rural & Remote Locations
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In remote and isolated areas help may not easily beillness, obtained in the event of injury, incapacity,, extreme & incapacity inclement weather, violence, animal/insect attack or other emergency emergency..
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•
•
•
should if there is a riskbe ofcarried being stranded. •
Vehicles used for remote work must be appropriate and fit for purpose, regularly maintained & have adequate spare parts such as tyres.
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Emergency (mobile / satellite) phones must be
A ‘Buddy’ system should be utilised for high risk tasks. An immediate supervisor or manager should be aware of travel itineraries, current locations & what tasks are being .
•
An emergency response procedure should be developed & followed by the works depot or office if staff fail to make contact at the nominated time.
Appropriate quantities of drinking water, and food
fit for purpose, tested before departure & have spare, fully charged batteries. •
All safety equipment including first aid & vehicle breakdown/ rescue/ tool kits & fire extinguishers must be checked before departure, be fit for purpose, and regularly maintained.
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Appropriate clothing to protect from exposure to adverse/ extreme weather conditions (cold/ hot temperature, wind, rain, ice or snow, sun) must be carried.
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Manual Handlıng
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“Manual Handling” means any activity requiring the use of force exerted by a person to lift, lower, push, pull, carry or otherwi wis se move, hold or restrain a person, animal or thing. Exampl Exam ples es of ma manu nual al handli han dling ng act activ ivitie ities: s:
Key Questions • How Big is it? • How much does it weigh? • Can I move this comfortably or do I need assistance
Remember if it can be moved in another way – Do not lift it.
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Manual Handlıng
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Manual Handlıng
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Safe Stacking On Site
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Unsafe stacking can cause injuries as a result of collapse, or when w hen materials have to be taken from stacks. Safe stacking not only reduces risk, but also enhances site efficiency. Only stack materials in designated areas. Make sure that escape routes, doorways and walkways are not obstructed. Stack on level, firm surfaces and use packing where appropriate. Never stack materials higher than three times the base width.
Make sure you wear suitable protective clothing such as gloves and safety boots, and use handling accessories as required.
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Workıng at Heıght
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•
•
• • •
Working at height means work in any place where, if precautions were not taken, a person could fall down and injure themselves. If you: work above ground level. could fall from an edge, throgh an opening or fragile surface. could fall from ground level into an opening in a floor or hole in a ground; You will be working wor king at height, because you you can fall from f rom one level to another level. Fall prevention protection is required for any work where there is the potential to fall a distance of 2m or more. Wear and anchor your safety harness when working at height, near openings and edges. Use only a safety harness (safety belts are prohibited).
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Workıng at Heıght Barrıcades
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Do not used tape or o r ropes as barricades.
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Only cable, tubular pipes and other rigid materials which are able to withstand 100 kg/f are allowed to be used as barricades. Appropriate barricades will prevent site personnel from Appropriate falling off the edge or through openings.
Workıng at Heıght On the Edge
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Tools are not to be placed near the edge.
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Keep them in a tool box and away from the edge.
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When working near edges or openings, ENSURE that you are anchored to a lifeline.
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Workıng at Heıght On the Edge
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When working at height, ensure that the area below is clear.
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Barricade the affected area to prevent entry entry.. Station a watchman, and put up a appropriate warning signs.
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Workıng at Heıght Workıng On Towers
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-
•
You never climb a tower alone, there must always be a watchman with you.
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You check your harness prior to use and wear your safety safe ty harness harness while climbi climbing. ng.
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Secure yourse Secure yourself lf with two lanyards lanyards from two different different points.
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Carry your hand tools in a bag.
•
Never climb a tower when it’s rainy or too windy. w indy.
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Workıng at Heıght Workıng Platforms
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Use a proper work platform.
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Remember ladders are not working platforms.
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Workıng at Heıght Mobıle Scaffold
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Lock the mobile scaffold wheels when it is stationary.
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Anchor your safety harness to a rigid anchoring point and not to the mobile scaffold. This is to prevent you from falling with the mobile scaffold if the mobile scaffold topples.
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NEVER move mobile scaffold while there is somebody on it.
Workıng at Heıght Mobile Elevated Work platforms (MEWPs)
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•
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Ensure work areas are suitably barricaded.
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Rain may alter the ground conditions.
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Do NOT use in high winds. w inds.
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Do NOT suspend a load under the platform.
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Do NOT overload the work platform.
If there is a need to to use a MWEPS within 15 metres of a steel tower or 9 metres of a wooden / concrete concrete pole carrying overhead power lines a site safety briefing is required before starting work, the appropriate precautions taken while working.
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Workıng at Heıght Ladder Safety
Hazards • Poor condition
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• • • • •
Improper selection Improper use Improper setup Using unsafe work practices Tying two ladders together
Don’t Forget: • •
When using a ladder
•
secured in place to prevent the ladder slipping or moving while in use. Always inspect the
•
ladder use,or do not usebefore damaged broken ladders. “Home made” ladders are NOT ALLOWED.
•
•
•
Only one person on a ladder at a time. Face the ladder while climbing up or down and hold the side rails with both hands. Carry tools up or down on a belt or with a rope or hoist, not in your hands. Maintain 3-point contact while climbing the ladder: 2 hands and one foot in transition.
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Workıng at Heıght Ladder Safety
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Leaning Ladders in Use • • • • • •
Short duration work (max. 30 minutes) Light work (up to 10 kg). Ladder angle 75 degree degree - 1 in 4 rule (1 unit out for ev every ery 4 unit units s up). Always grip the ladder when climbing. Do not overea o vereach. ch. Do not work off off the top top three three rugs – this
•
provides a handhold. Ensure the ladder is secure.
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Machınery / Equıpment Safety Hand Tools
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Employees Employe es who w ho use hand and power tools and who are exposed to the hazards of falling, flying, abrasive and splashing objects, or exposed to harmful dusts, fumes, mists, vapors, or gases must be provided with the particular personal protection equipment equip ment necessa necessary ry to protect protect them from from the hazard.. hazard Hazards involved involved in the use of tools can be minimised by following five basic safety rules;
Keep all tools in good condition with regular . Use the right tool for the job. Examine each tool for damage before use. Operate according to the manufacturer’s instructions. Provide and use the proper Personal Protective Equipm Equ ipment ent (PP (PPE). E).
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Machınery / Equıpment Safety Power Tools
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When using power tools , take the general precautions below:
Never carry a tool by the cord or hose. Use appropriate PPE. Never yank the cord or the hose to disconnect it from the socket. Keep cords and hoses away from heat, oil and sharp edges. Disconnect tools when not in use, before servicing and when changing accessories such as blades, bits or cutters. All observers should be kept at a safe distance away from the work area. Secure work with clamps or a vise, vis e, freeing both an s o opera e e oo . Avoid accidental starting. DO NOThold a finger on the switch button while carrying a plugged-in tool Tools should be maintaned with care. Follow instructions in the user’s manual for lubricating and changing accessories. Be sure to keep good footing and maintain good balance. All portable electric tools that are damaged shall be removed from use.
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Machınery / Equıpment Safety
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•Do not tamper with or remove safety guards. •Do not use the equipment / machinery if there is no safety guard. •Only use equipment for which you have been trained.
Machınery / Equıpment Safety Lifting Equipment
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Do not overload your equipment/machinery.
•
Only trained and authorised personnel are allowed to operate lifting equipment.
.
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Machınery / Equıpment Safety Heavy Machinery
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Only trained and authorised personnel are allowed to use heavy machinery
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Concentrate when operating heavy machinery e.g. excavators, cranes and bulldozers.
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Do not go near machinery while they are being operated.
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No unauthorised person is allowed to enter the work area when lifting, piling and excavation excav ation work w ork is in progress.
A Lack Lack of concentration will w ill result in undesirable incidents.
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Weldıng Safety
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Ensure all equipment, property, machinery and irremovable flammable materials are covered covered with w ith fire blankets before any welding is carried out.
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Ensure no flammable materials are present nearby when welding
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Welding gloves should conform to EN12477 (or equivalent)
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Welding masks should conform to EN 379 / EN 175 / EN 169 (or equivalent)
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Housekeepıng Safety starts with good Housekeeping S Z S 0 1 0 2 n a J – 2 . 2 n o i t i d E
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Do not dispose of your unwanted materials from a height.
Remove all protruding nails or bend them over.
Keep your work area clean.
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Floor Openıngs
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Do not leave open holes unprotected.
•
Report to your safety department immediately to have h ave it covered.
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Electrıcal Safety Electrıcal Hazards
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Shock
Burns
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•
• •
Electric shock occurs when the human body becomes part of the path through which current flows. The direct result can be electrocution. The indirect result can be injury resulting from a fall or movement moveme nt into machinery because of a shock.
Arc-blast • Arc-blasts occur from highhig h- amp ampera erage ge currents arcing through the air. This can be caused by accidental contact with energized components or equipment failure.
Burns can result when a person touches electrical wiring or equipment that is energized.
Explosions • Explosions occur when electricity provides provide s a source of ignition for an ex lo losi siv ve mixt mixtur ure e in the atmosphere. Fires • Electricity is one of the most common causes of fires both in the home and in the workplace. Defective or misused electrical equipment is a major cause.
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Electrıcal Safety Safety Procedure
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Inspect all electrical equipment and wires before use.
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Ensure electrical equipment and cords are tagged.
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Use protective equipment such as rubber gloves or boots.
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Inspect portable equipment, including extension cords, before each use and replace ' .
•
Be sure electric plugs match their receptacles; never alter a plug.
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Never use a metal ladder around live l ive electricity.
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Only qualified electrical workers w orkers shall repair or install electrical utilities and equipment.
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Electrıcal Safety
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• •
Do not overload power sockets.
Never use damaged electrical appliances, exchange them with your immediate supervisor.
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• •
Do not lay electrical cables on the ground. Use insulated cable supports.
Electrıcal Safety Working Near Overhead Power Lines
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If you need to work w ork near an overhead overhead power line Keep a safe distance between yourself and power lines. Before operating equipment, check the height of your equipment. Never ride or climb on equipment when near a power line. Work around power lines to be done only during daylight hours. If work is being carried out near the safe limit of approach, use a trained observer to ensure that the . Use appropriate barricades. If someone is in contact with a power line, do NOT touch AWAY. the person, their tools or equipment. STAY AWAY. If equipment comes into contact with a power pow er Line: Do not attempt a rescue until the electric has been deenergized. Keep non-emergency non-emergency personnel at least 90m away. Notify the emergency services immediately. i mmediately. Have the equipment operator stay on the equipment until advised that it’s safe to get off. If fire or other danger forces the operator off, have them jump clear without without touching the ground ground and the equipment at the same time, time, shuffle or hop until at least
•
9 metres clear.
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Fire Safety Fire Rules
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If You discover a fire or suspect a fire • Raise the ALARM and initiate an evacuation • Call for the Fire Service • Evacuate to the assembly point • ONLY IF it is SAFE to do so attempt to extinguish the fire. Always position yourself yourself with an exit or means of escape at your back before you attempt to use an extinguisher to put out a fire.
•
Leave IMMEDIATELY hearing the alarm or if instructed to leave theon area. 6 4 e g a P
Never Fight a Fire • IF YOUR INSTINCTS TELL YOU NOT TO. • If you don't know what is burning. • If the fire is spreading rapidly . • That is producing a large amount of smoke . • If you don't have adequate or appropriate equipment.
Fire Safety Fıre Extinguishers Classification
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Fire extinguishers are classified by the type fires on which they may be used
Wood, Paper, Plastic, Cloth
Flammable Liquids, Grease, Gas
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Make sure you have the right type of Fire extinguishers
Extinguisher
Class A
Class B
Class C
Water Extinguisher
Yes
No
No
CO2 Extinguisher
No
Yes
Yes
ABC Extinguisher
Yes
Yes
Yes
Never fight a fire if your instincts tell you not to.
Fire Safety How to use Fıre Extinguishers
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Most fire extinguishers operate using the P.A.S.S. technique: PASS = Pull - Aim - Squeeze - Sweep
PULL... Pull the pin. This will also break the tamper PULL... seal.
AIM... Aim low, pointing the extinguisher nozzle (or AIM... its horn or hose) at the base of the fire.
SQUEEZE... Squeeze the handle to release the SQUEEZE... extinguishing agent.
SWEEP... SWEEP ... Sweep from side to side at the base of . Watch the area. If the fire re-ignites, repeat steps.
If you have the slightest doubt about your ability to fight a fire ....EVA ... .EVACUA CUATE TE IMME IMMEDIA DIATEL TELY! Y!
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Excavations
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Ensure that the sides of an excavation pit are properly shored before you go down to work. w ork.
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Proper shoring, access ladders and barricades are essential safety items in excavation works.
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Ensure their presence before you enter an excavation excav ation to work. w ork.
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Confined Spaces
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Confined spaces can include cellars, pits, tanks, drains, manholes, sewers, and even some types of excavation. Some are more obvious than others, but confined spaces are more common on construction sites than we realize. Main Points:
Consider what may comprise a confined s ace on our site!
A risk assessment should be carried out for all confined spaces.
Never ever work alone in a confined space.
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Confined Spaces
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Other Points: Confined space atmospheres should be checked prior to entry. Suitable PPE should be worn which may include breathing apparatus, and may require specialist training. Work in confined spaces must be supervised, either physically or by communications/monitoring equipment (remember failure procedures). Ensure any recovery equipment is checked and serviceable serviceabl e prior to starting work. Don’t attempt a rescue without first sounding the alarm. Always leave a confined space immediately if told to do so. Don’t eat, drink, smoke, or used naked flames in confined spaces or in close proximity to entry. Remain alert to any changes in the situatio situ ation/env n/environ ironment. ment. If in doubt doubt - get out.
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Laser / Fibre Optic Safety
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Bare Fiber Safety
Eye Safety Rules
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If the shards get into your skin, you will have to wait for them to work out. Wear eye protection! Put shards on sticky tape. Account for all shards.
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Never look into the end of a cable that might be in use. Cap all unused connectors. Tape un-terminated fiber ends. Mark enclosures with warning labels. Laser test sources are dangerous, don’t leave .
Only authorizedtrained employees may: Install Service Maintain fiber-
optic systems that are not enclosed. NEVER look directly into a fiber end, a laser source or point a laser in your eyes or at others!
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RF Safety Compliance Boundary / Exclusion Zone
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Effects of RF Exposure
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Tissue heating (effects vary with exposed body area).
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Skin sen sensat sation ion - ON ONLY LY from EXTREMELY high exposure.
In principle, RF levels decrease rapidly when a person moves further away from the source e.g. a transmitting antenna.
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RF burns from touching an energised source.
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Electric shock from induced currents.
The distance at which the RF level is always below the RF limit is called the Compliance Boundary.
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Areas which are intended to be accessed by the general public will not exceed the RF limits for either the general public or workers. At outdoor base station sites the RF limits will not be exceeded at ground level for either the general public or workers.
Exclusion Zone • The region inside the Compliance Boundary is often called the Exclusion Zone.
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RF Safety General Procedure for Antenna Sıtes
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Assume all antennas are active, all personnel entering the site must be authorised and obey all posted signs, warnings and instructions.
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Prior to arrival or before approaching transmitting antennas, be sure you aware of and understand the compliance boundaries and the locations of the antennas.
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If there is a need to climb masts/towers or work within 5 metres of a roof top top antenna a site safety safety briefing is required before starting work.
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If it is necessary to work within the compliance boundary, follow the procedure for requesting the antenna to be .
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Never disconnect RF cables or connectors associated with a operating antenna since this may result in an RF burn through direct contact with RF conductors.
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Damaged cabling and connectors can be unwanted sources sourc es of RF exposure exposure – repo report rt all such cases. cases.
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In addition to RF cabling, some base stations may have fibre-optic distribution systems. Workers shall follow the specific rules dealing with optical emissions.
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Without further analysis, personnel with active medical devices should not enter areas above the general public limits .
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Always follow the manufactures installation and operating instructions.
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RF Safety RF Warnıng Labels
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Be sure you understand the Compliance Boundary / Exclusion Zones before you start work.
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Remember signs signs may vary vary or may not be present.
RF Safety Types of Antennas Omni-directional coverage These antennas radiate RF energy equally in all directions in the horizontal plane.
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The antenna input power power is typically 10 – 80 watts, and the compliance boundary for a worker typically extends 0.1 – 1.5 meters from the antenna.
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Sector coverage These antennas restrict restrict most m ost of their radiated RF energy to a narrow angular sector in their forward direction (typically 60 to 20 degrees in the horizontal plane, typically 8 to 4 degrees in the vertical plane). The antenna input power power is typically 10 – 80 watts, and the compliance boundary for a worker extends typically 0.2 – 3 meters from the front face of the antenna . Antenna farms (or clusters) Antennas are often grouped together on masts . directional antenna mounted above a cluster of 3 sector antennas. In the case that multiple antennas are present on a site, whenever an additional antenna is installed, the compliance boundary of each antenna should be evaluated again, taking into account the additional exposure of the newly installed antenna. Radio relay (Microwave / fixed point-to-point link) These antennas concentrate their RF energy into a narrow beam in the forward direction. Since the power levels are typically low, less than 1 watt, the safety distances in this forward direction (L) are often small (in centimetres) and in many cases there is no need of any safety distance for occupational exposure . Areas above, below and to the sides of the antenna, as well as the area behind the antenna, are normally safe at even shorter distances. The Compliance Boundary for safe working around antennas is shown in BLUE - Seek clarification clarification before approaching approaching antenna antenna or working within 5m
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Emerge Eme rgency ncy Con Contac tactt Number Numbers s
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Police
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Medical
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Fire
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Last and not least, l east, whatever job you do, do it safely.
Remember Think Safety Safety,, Work Safely
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