Revanswood power plant
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final_ravenswood.pptxIndustrial Processes and Site Visits (02/26/2014)
Ravenswood Power Plant
Electrical power production and distribution in the US
Generation
Indian Point/Ravenswood
Transmission
High voltage transmission lines (>110 KV)to reduce energy loss during transmission- limited ability to store electricity
Substations (step up/step down)
Electric and Magnetic Fields (EMF) Radiation from power lines
Localized supply to customer
Varying safety and/or work related health issues for each segment
National Power grid
Three regional grids with limited links
Eastern/Western/Texas grids
Safety training- Ravenswood
Learning management system
Software for the administration, documentation, tracking, delivery of electronic training to workers
Ravenswood potential hazards
Noise
> 105 db. double protection required
Electrical
Arc flash
shocks
Slips/trips/falls
Confined spaces
Chemical exposure
LOTO
Asbestos
PCBs
Ergonomic/ repetitive stress/over exertion/awkward postures
Hot/cold environment (seasonal)
Shift work
24/7
Shiftwork
Shiftwork is anything other than a daylight work schedule-nights, evenings, extended work days, etc.
Circadian rhythm
Zeitgraber - environmental cues that synchronize biological systems to the light/dark cycle
Elevated BMI (reports of an association with Diabetes Mellitus), certain cancers or ulcers, accidents e.g. Exon Valdez, Challenger, automobile, medical.
Controls
Consistent scheduling, use of window shades, eliminate family/social interruptions at home, pre/post shift naps, caffeine, etc.
Ravenswood
Asbestos
US production stopped 2002
We still import substantial amounts of asbestos
2012 – 1060 tons
Primarily the Chlor-Alkali industry (chlorine and sodium hydroxide for chemical industry) and roofing industry
Coal fired generators
Protective clothing
Confined spaces
Large enough for workers to enter and perform required tasks
A limited or restricted means for entry or exit
Not designed for continuous occupancy.
Permit required confined space
hazardous atmosphere,
sloping walls
potential to engulf, trap or asphyxiate an entrant
unguarded machinery
live wires
a potential for heat stress.
Control of Hazardous Energy (LOTO)
Designed to prevent unexpected startup during repair, servicing or maintenance of machinery and equipment by removing sources of energy - electrical, chemical, hydraulic, gravitational, pneumatic, thermal etc.
Employers are required to have written LOTO procedures and
ID all potential energy sources including stored or residual sources
Provide site specific worker training
Locks are removed by the worker that put it on.
Exemptions
To de-energizing the equipment will cause a hazardous condition (life saving equipment)
It is impossible to do because of design or operational limitations.
LOTO
Tags can use if you are unable to lock out the energy source
Required to demonstrate that a tag system will provide the equivalent level of protection as a lock
L’Oreal/Ravenswood
Two key system/other LOTO systems
Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
REACH – European Union regulatory system for chemicals (2007)
Requires registration of all chemicals manufactured or imported in EU with the European chemicals agency (143,000).
Manufacturers and importers are required to gather information on the properties of their chemicals to will allow safe handling and they must register the information in a central database
Requires sharing of information
Provides lists of hazardous chemicals
Substances of Very High Level of Concern (151) - carcinogens, mutagens, reproductive toxin, hormone interrupters
SVHCs placed on authorization list cannot be used unless granted an exemption
Substitute it now list (SIN) for chemicals of concern
Importers/manufacturers are required to assess risks to human health or the environment
Requires that chemical companies minimize animal testing
REACH eliminates requirements for types of testing on animals e.g. corrosive,
What is a Job Hazard Analysis
A technique designed to identify hazards at the work site
Break the job down into it’s basic components
ID the hazards in each component
Develop controls for all of the recognized hazards
JHA focuses on the relationship between the worker, task, tools and the environment
Prioritization of JHA at the work site
Jobs associated with the highest rate of injury, illness
Jobs associated with severe illness, injuries or catastrophic events
New operations
Complex procedures
Jobs in which a small error could lead to severe accidents or injuries
