Confined Space Rescue Flashcards
NIOSH stands for what?
National Institute for Occupational Safety and Heath
Considering confined space rescue, what OSHA law is used to conduct research and develop educational and training resources?
OSHA Law 29 CFR 1910.146
Considering confined space rescue, what NFPA is the standard for technical rescuer professional qualifications?
NFPA 1006
What level of NFPA 1006 applies to “limited techniques?”
Level 1
What level of NFPA 1006 applies to “Advanced techniques?”
Level 2
Considering confined space rescue, NFPA 1670 is used for what?
Standard on Operations and Training for Technical Search and Rescue Incidents
What are the three levels NFPA 1670,
Awareness
Operations Level
Technical Level
What are the five types of rescues related to OSHA Law 29 CFR 1910.146 (b)?
-Confined Space Rescue
-Emergency
-Entry
-Non-entry
-Hazardous Atmosphere
What three descriptions are needed to define a Confined Space ?
-Large enough to perform assigned work.
-Has limited or restricted means for entry.
-Is NOT designed for continuos employee occupancy.
What are the two types of confined spaces?
Non-permit confined space & Permit-required confined space.
Considering examples of confined space, what material are tanks made of?
Aluminum or steel
Considering examples of confined space, silos, and grain elevators contain what type of material?
Agricultural products
Considering examples of confined space, storage bins and hoppers contain what five products?
-grain
-gravel
-sand
-wood chips
-sawdust
Rescuers may need to gain access through collapsed buildings by?
breaching and breaking operations
What do aqueducts and sewers carry and what direction?
Sanitary sewers carry treated sewage away from rivers and streams
What confined space rescue restraint types (1 through 6) are opening less than 24”?
Type 1, 3, 5
What confined space rescue restraint types (1 through 6) are opening 24” or greater?
Type 2, 4, 6
What are openings of 24” or less that prove difficult at best and put numerous constraints on the rescue team?
Restricted openings
A vertical opening with what length drop presents an issue of having a highpoint anchor (tripod) and enough rope to insert and retrieve the rescuer.
5 foot
Considering confined space hazards, what is required by hazard communication standards (HAZCOM)?
SDS sheets for the pre-planning of an incidednt.
Considering Atmospheric Hazards, the safe oxygen level is between what percent?
19.5% and 23.5%
Considering Hazard Analysis, an atmosphere containing more than what percent is considered oxygen-enriched?
23.5%
What is the order and type of hazards tested within a confined space?
- Oxygen Enriched
- Flammability
- Toxic
- Vapor
Considering hazardous environments, what type of hazards are defined as the surroundings and capture of a person by a liquid or finely divided solid substance?
Physical Hazards
High Noise levels is considered what type of hazard?
Environmental hazard
Considering the Effects on the victim and rescuer, what is the one that exposes employees to the risk of death, incapacitation, or impaired ability to escape unaided from the space?
A hazardous atmosphere
Considering airborne contaminants, what gas types are colorless and odorless?
- Carbon Monoxide
- Carbon Dioxide
- Methane
Considering the “rule of thumb” and dust concentrations, what distance should the atmosphere be considered explosive?
5 feet or less
What is the lowest acceptable oxygen level for a confined space before an individual may lose consciousness?
19.5%
At what percent level of concentration presents a flammable atmosphere?
10% (LEL) Lower Explosive Limit
What does IDLH stand for, considering the atmospheric concentration of any toxic, corrosive, or asphyxiant substance?
Immediately Dangerous to Life or Health (IDLH)
What is defined as the vast separation of the individual gas particles?
Gas
What position has the highest number of duties required by OSHA?
The Hole Attendant
Considering medical monitoring, no rescuer can conduct a rescue if their heart rate is above what?
110
Considering medical monitoring, no rescuer can conduct a rescue if their blood pressure is above what?
160/100
When conducting pre-entry and establishing atmospheric monitoring, what three locations should be sampled, and how often?
top, middle, and bottom of the confined space at four-foot intervals.
What is defined as where gasses become layered due to various weights?
Stratified atmospheres
Air monitoring tubing should not be placed where?
Directly into a potentially hazardous material
What are the four types of monitoring?
- General
- Perimeter
- Confined Space
- Personnel
Considering atmospheric monitoring equipment, how many gasses at a time can a Multi-gas monitor system detect?
Up to five gasses:
1. Oxygen
2. LEL
3. Flammable
4. 2-3 Toxic materials
What three tasks are needed to establish a lock-out-tag-out procedure to shut down equipment?
- Identify the energy
- Isolate the energy
- Lock and tag the energy
Considering communications what does the acronym OATH stand for?
O - OK (one pull)
A - Allow Slack (2 pulls)
T - Take up Slack (3 pulls)
H - Help (4 pulls)
Considering PPE and establishing respiratory protective equipment, what will all 4 levels (A-D) have?
Every level will have “air monitoring equipment.”
Considering PPE and establishing respiratory protective equipment, what order of the 4 levels (A-D) be ranked?
Level of protection, with level A having the greatest level of skin, respiratory, and eye protection. Level D minimal.
