Wind Farm Health and Safety
Transcript of Wind Farm Health and Safety
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Wind Farm Health and Safety By Lindani Buthelezi
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Introduction
Safety culture
Company values
Policies &
Procedures
Leadership
Learning & Trust
Quality
Working environment
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Health and safety in SA Context
• Occupational Health and Safety Act (85 of 1993) • Intentions is to keep people safe
• Provides a guideline for health and safety in the work place
• Provides a detailed guideline on various regulations including, • General safety regulations
• Construction regulations
• General machinery regulations
• Administered and overseen by the department of labour
• Wind farms must comply with the various OHS act regulations as stipulated in the guidelines.
• SA regulations seen to be very strict, comprehensive and covers personnel well.
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Safety in Wind
• Pre Constructions phase
• Constructions phase
• Operations and Maintenance phase
• End of life (Decommissioning/ Repowering)
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Typical Hazards
FALLS CONFINED SPACES
LOCKOUT/TAGOUT
CRANE & MOBILE
EQUIPMENT
HOIST SAFETY
ELECTRICAL MACHINE GUARDING
CHEMICALS
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Pre Constructions Activities
Environmental Considerations
• EIA
• Bird and bat
• Water use
• Noise
• Environmental disturbances
Site Assessment
• Met mast erections
• Maintenance of instruments
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Pre Construction Phase Hazards
• Typical hazards such as slips, falls, trips, electrical shock and occupational related risks
• Risk associated with wild animals – mostly for environmental teams
• Bees
• Spiders
• Snakes – SA is known for its poisonous snakes and measures should be in place to ensure employees are safe from these.
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Construction Phase
• Construction work definition
• Statutory requirements with DOL
• Construction permits
• Development of site Health and safety processes that are typical in a construction site
• HSE specification
• Safety plans
• Baseline risk assessments
• HSE policies
• Site procedures
• Contractor management
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Construction Work Definition
(a) the construction, erection, alteration, renovation, repair, demolition or dismantling of
or addition to a building or any similar structure; or
(b) the construction, erection, maintenance, demolition or dismantling of any bridge,
dam, canal, road, railway, runway, sewer or water reticulation system; or the moving
of earth, clearing
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Construction Phase
Statutory requirements
• Construction permit application required if
• Construction work exceeds 365 days and more than 3600 person days of constructing work or
• The tender value limit is grade 7, 8 or 9 of the Construction industry Development Board (CIDB) grading
• Application made to Provincial director within 30 days prior to construction work commencement
• Applicant to fill out Annexure 1 – Application for construction work permit to do construction work
• Notice of construction required for other work that fall under this category. Notice to the DOL to be submitted within 7 days of the work commencement.
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Construction Phase Cont..
Responsibilities Client
Consultants
Principal Contractor (Legal appointments)
Subcontractors
Construction HSE HSE specification
•Client specification for providing a baseline
•Safety files
•Main contractor and subcontractor safety oversight
•Safety plans & policies
•Fall protection plans
•Lock out procedures
•Access permits
•Baseline risk assessments
•HSE policies
Environment Material Safety Data Sheets
Disposal process and procedures
Chemical hazard management
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Construction Phase Cont.. (Typical Activities)
• Civil Works
• Road construction
• Wind turbine foundations
• Cable trenches
• Electrical works
• Substation constructions
• Mini substation construction
• Wind turbine erection
• Rigging and slinging
• Crane lifting
• Bolting and torquing
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Operations and Maintenance
• Risk factor reduces
• Less people on site
• Less high risk work such as
that seen in construction
• Unique operational risk
associated with operational
plants
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Operations and Maintenance Cont..
Construction activities (CR)
• Major component replacement
• Civil works and road maintenance
Operational activities (GMR2)
• Preventative maintenance on turbines
• Breakdown maintenance work on wind turbines and electrical infrastructure
• Typical monthly activities includes inspections, review and maintenance records,
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Operations and Maintenance (GMR2)
GMR 2.1 Appointment
• Appointment to be a full time appointment and exemption application is required
• Generally the wind industry makes use of 2.7 appointees (assistant to the GMR2.1)
• Both responsible for the correct operation of machinery including lifts, generators, electrical equipment, winches and tools
• Reporting of major incidents as defined in the regulation
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Operations and Maintenance (H&S Risks)
• Complacencies may lead to serious injuries or deaths
• Most incidences are related to electrical shock, falls,
• Risk of long-term injuries associated with dust inhalation (blade repair, maintenance work)
• Environmental hazards such as snakes, spiders and other wild animals exists.
• Driving risks (gravel roads)
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End of Life (Decommissions/ Repowering)
• Decommissioning or repowering classified as construction
work
• Construction regulations applicable
• Environmental considerations to be full complied with (Site
Rehabilitation)
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End of Life Cont.. (Decommissions/ repowering)
Turbine decommissioning activities
• Cranage
• Unbolting tower blades
• Lowering Nacelle
• Unbolting tower sections
• Processing and cutting up turbine components (consideration for scraping of turbines)
• Loading of scrap material on site
Site rehabilitation activities (substation area, wind farm area)
• Cutting and disposal 200-500mm of the top of the concrete foundation
• Removing surface slabs
• Processing of concrete removed and disposal
• Agricultural land to be fully restore to pre construction (vegetation planting etc.)
• Ripping, compacting and placing of top soil in disturbed areas
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Incidents on SA Wind Farms
Falling Objects Turbine Fires
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Incidents on SA Wind Farms Cont..
Turbine collapse Crane collapse
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END THANK YOU!!