NAVOSH Test 2 Flashcards
What is the definition of HEAT STRESS?
- Combo of air temp, thermal radiation, humidity, airflow, and workload which stress the body as it attempts to regulate temp.
- becomes excessive when the body’s capability to adjust is exceeded, resulting in increase of body temp
- ** can cause heat injury or death***
What is thermal radiation?
Sun or major heat source
What is humidity?
Moisture in the air from - steam leaks, bilge water, condensation
What is acclimatization?
Becoming used to temperatures or new environment
body becomes more efficient in coping with stress
usually takes 3 weeks or more
What are some personal factors associated with Heat Stress?
- past exposures effect body’s ability to cope
- decrease in ability to handle heat stress
- exercise/fluid intake
- medication
- alcohol intake
- lack of sleep
- drugs
Shipboard spaces common for heat stress?
- Machinery spaces
- laundry
- sculleries
- incinerator room
- flight deck
What are some causes/contributors of heat stress conditions?
- Steam water leaks
- Ventilation deficiencies
- Arduous operation
- **boiler leaks
- **missing thermal insulation
- **weather conditions
What is PHEL?
Physiological Heat Exposure Limit chart
What does the PHEL chart do?
Set of 6 curves that compare WBGT index and work rate
- maximum permissible exposure to heat stress
Who established PHEL curves?
Industrial Hygienists and NAVSEA for various classes of ships
What is Stay Time?
Max allowable time for heat stress conditions at various workload
What is recovery time?
minimum of TWICE the stay time, or 4 hours
What is stack gas?
Combustion gases that accumulate from machinery
Signs and symptoms of stack gas?
- Watery eyes
- dyspnea
- tingling/numbness in nose, tongue, fingers/toes
- sensation of alcohol
What must Heat stress training include?
- Hazards
- SX of exposure
- heat stress first aid
- heat stress monitoring
- causes of heat stress
At what point must heat stress monitors receive training?
12 weeks upon assignment
- complete heat stress surveyor watch 318 of SAFETY PROGRAMS AFLOAT PQS
What are the requirements for reporting heat stress injuries?
- report using ACCIDENT/INJURY REPORT
- report to NAV Safety Center using WESS
- Safety Officer Submits report*
What is the process to make Heat Stress Surveys?
- SMDR reviews for inaccuracies/QA checks
- makes recommendations
- SUP/ENG OOW will make notations/corrective actions
- Route to CO/XO
- SMDR will maintain record of reports for 1 year
What happens when Heat Stress Surveys have reduced stay times?
- Must be routed through Chain/CO for work shift alterations to occur
How often are temperatures on DB measured?
Every 4 hours
Above what Temp do we need to be concerned of going above in spaces?
85 deg
What is the process of annotating high temperatures on paperwork?
- Circle in RED anything above 100 deg
- notify SUP immediately
What is the function of the dry bulb?
- alcohol in glass thermometer
- bulb kept dry/shielded from radiation
Wet Bulb temp sensor?
- measured by thermometer
- similar to dry bulb/wet wick fitted closely over bulb
Globe temp sensor?
- integration of radiant/convective heat transfer
WBGT index?
Measurement of environmental conditions
- (0.1xDB)+(0.7xWB)+(0.2xGT)
What is the only approved WBGT meter/monitor?
RSS-220 - WBGT Meter
What are the required Monitoring conditions with PHEL?
- PHEL I-III - Work time <4 Hours, DB>100deg
- PHEL I-III - work time >4Hours, DB>90deg
- PHEL IV-VI - DB >85Deg
When are follow on surveys required?
DB temp +5 degrees over HDB temp on last survey
RSS-220 WBGT Meter calibration req’s/survey procedures?
- calibration ok = 100 degree +/- 0.2 degrees F
- Survey - wait 5 min for initial reading, then 3 min for subsequent
- hold WBGT at chest level about 1 foot from body
QUESTemp 48N Heat Stress monitor?
- 10 min to get first reading when turned on
- 5 minutes when on at new site for reading
What is a Hazard?
- might result in injury, health impairment, illness, disease, or death
- damage or loss of property/equipment
Hazard Severity?
Assessment of worst potential consequence likely to occur
Injury?
traumatic wound or condition from external force
Mishap?
unplanned/unexpected event like death, injury, occ illness,
- days off work, job restrictions, material loss/damage
Mishap probability?
likelihood that hazard will result in mishap/loss
Near Mishap?
act/event where injury/damage avoided by chance
Web-Enabled Safety System?
mishap data collection/reporting system
What are the mishap Investigation/Reporting instructions?
- DODI 6055.07 - Mishap Notification, Investigation, reporting/record keeping
- OPNAVINST 5102,2D/MCO P5102.1B - Navy/Marine mishap/safety investigation, reporting/record keep manual
- OPNAVINST 3750.6S - Navy Aviation Safety Management Manual
What are the Mishap Investigation and reporting Purposes?
- Identify hazard w/potential to cause frequent severe mishap
- Identify hazards, future mishaps
- Identify unsafe acts/conditions/apply corrective measures
- Identify mishap casual factors/develop corrective actions, help prevent similar mishaps
What are the different categories for mishaps?
- Class A-C = govt property damage mishaps
- Class A-C = on duty DOD civilian/military on/off duty mishap
What are the work related illness/injury that involves Tx beyond first aid?
- Loss of consciousness
- lost work day
- light duty/limdu on/off duty military
How soon do on-duty fatalities/permanent disabilities during Command PT need to be reported?
One hour
What are the conditions where mishap investigations/reports need to be done?
- A-C mishaps
- work related illness/injury
- all fatalities/disabilities
- all fires afloat
- $5000 or more in damage to Govt property
- medically diagnosed work-related illness/injury
- STS 10db or more at 2,3,4k in both ears
- Work related needle sticks/cuts
- TB infections
Work related STS shifts?
- 10dB or more @2/3/4K Hz
- Total hearing level is 25dB+ Zero in same ears
- Shift toward deteriorated hearing/permanent/from occ origin
Mishap Classifications: Class A?
- damages to Govt property $2 million or more
- DOD Aircraft
- fatal/permanent total disability
Mishap Classifications: Class B?
- Total damages $500K but less than $2 million
- Permanent partial disability
- 3+ personnel hospitalized inpatient care
Mishap Classifications: Class C?
- Damages $50k but less than $500k
- Non-fatal injury/illness, 1+ days of work missed
Mishap Classifications: Class D?
- Damages $20k-$50k
- recordable injury/illness not classified as A-C mishap
What is an Accident and Injury report?
- Med Dept/IDC submits
- directed by CO on all injuries in sickbay
- Copy to Safety O
What is a Safety Investigation Report?
- Submitted to CO, Nav Safety Cen
- WESS submission
- Safety O submits report
WHat is a Hazard Report?
- Submitted for near-mishaps/situations for lessons learned
Who is responsible for mishap information dissemination?
- Safety O responsible when notified through reports to investigate
- ISIC/Higher Authority appoints investigation board
- Minimum of 3 team members*
- Mishap Investigation Report submitted within 30 days to NavSafeCenter via COC
What are the Occ Injury Recording Forms?
- SF600 (chrono med care)
- ETR SF 558 (Em Tx Rec)
- SF 513 (Con)
- ACCIDENT INJURY REPORT
What are the objectives of HAZMAT Control and Mgmt Prog?
- consolidated hazardous material reutilization and inventory management program (CHRIMP)!!!
- reduce onboard HAZMAT through control management
What is the purpose of CHRIMP?
HAZMAT control/management that makes HAZMAT centrally controlled on ships/subs
What is a Hazardous Material Minimization Center (HAZMINCEN)?
Centrally manages HAZMAT for:
- used HAZMAT
- excess HAZMAT
- empty HAZMAT containers
What is HAZMAT information Resource System (HMIRS)?
- Web Based Repository for Safety Data Sheets
- Managed by DLA
What was HAZMAT information Resource System Established to do?
- Assist govt to: Handle, store, transport, use, or dispose pf HAZMAT
What is the difference between DOD 6050.5 LR/DOD 6050.5L
- DOD 6050.5LR = Restricted info, requires user ID/Passcode
- DOD 6050.5L = Unclass info, only requires user ID
MDR responsibilities for HAZMAT?
- Assist in training for: PPE req’s
- provide assistance for spills/mishaps
Safety Data Sheet sections of importance?
- Company name/address/emergency phone #’s
- Physical/Chemical Characteristics
- Boiling point, solubility, appearance/odor, melting point*
- Fire Explosion Hazard
- ** Flammable limits, extinguishing media, special fire procedures***
- Precautions for safe handling
- Waste/disposal, spill procedures*
Not listed information for Safety Data Sheets?
Lot Numbers
Expiration Dates
What are the procedures when identifying items on HMIRS?
- Fed stock #’s
- NIIN (last 9 of FSN)
- Part/catalog # by manufacturer
- trade name
- chemical name
What are the Health Requirements aboard a Ship?
- Use MED Matrix for proper screening for individual workers.
- ** ID’s workers who need exams
- **exam content
- **periodicity
- **performance of exam
- **document results
What are the four categories established by National Fire Protection Association?
- Fire Hazard (red)=Flash point temp
- Health Hazard (blue)= degree of health hazard
- Reactivity (Yellow)= item stability/reaction when combined
- Specific Hazard (White)= acid, alkali, oxidizer, corrosive, rad
Work Center SUP responsibility in training workers regarding HAZMAT?
- Use of the SDS/keep available for review
- Proper PPE, hazards with spec materials
- Inform where SDS located/obtained
Most important actions to take for HAZMAT spill? (9 things)
Most important ones:
- Discovery/notification
- Follow up reports
CO responsibilities for Sight Conservation program?
- effective program is established
- leadership by example
Safety O responsibilities for Sight Con Program?
- evaluate areas/processes/equipment with Industrial Hygienist or for modifications in workplace
- evaluate program annually
Sight conservation program personnel?
- Class III/IV laser workers
- ** R&D lab personnel
- ** repair/align Class III/IV laser systems
What are the procedures for EYE Hazardous areas?
- Determination= surveys/Safety O
- Operations= potential frag/slag/sand etc.
- Designation on ground around area
- **2-3 inch yellow/black striped or checkerboard tape
- ** Placards mounted
Chemical goggles purpose?
- Protection from liquids/splashes/mists/sprays
- Flexible/rigid frame, cushioned surface, supporting band around head
Chipping Goggles purpose?
- Protection from large flying objects: grinding, chipping, chiseling
Face shield purpose?
- protects face/neck from flying particles, liquids, or sprays
- worn with eye protection
Ballistic eye protection purpose?
- May replace standard safety glasses
- additional protection from high impact
Requirements of sight protection equipment?
- American Natl Standard Institute (ANSI)
- Z87 rating printed
- Temp Eyewear = command maintains sufficient quantity, for all personnel/visitors
What are the signs for emergency eyewash stations?
- Green signs with white lettering
Where are emergency eyewash stations located?
- battery shop
- battery locker
- HAZMAT/Chem area
Where are Eyewash stations posted?
- Main/AUX machine spaces
- med/dental
How are eyewash stations supposed to be placed?
- Unobstructed
- within 10 sec of hazards
- positioned no less than 33 in and no more than 45 in above deck
What are the types of eyewash units?
- Plumbed
- Self-contained
What is the min flow rate of eyewash stations?
0.4 gal/min for 15 min
Where are the remote locations where visible/audible alarms must be?
- Damage Control Center
- QD
- Bridge
How often must the Safety O conduct training on sight conservation?
- Upon indoc of personnel
- annually
What are the topics covered in Sight conservation training?
- Types of hazards
- types of protection
- eyewash location and use
- first aid procedures
