CDC’s Flashcards
What air force instruction implements part of OSHA 29 Code of Federal Regulations and includes additional requirement?
AFI 91-203
Whoch AFI governs what is prohibited behavior while operating a government vehicle?
AFI 91-207
Name 3 regulations the Air Force follows when dealing with electrical hazards
- AFOSH Standards
- National Code
- National Electric Code
When must you wear rubber gloves?
When using acids, alkali’s and other chemicals
Which AFI governs the use of protective devices?
AFI 91-207
What 3 factors are important for worksite safety?
- Observation
- Communication
- Visibility
What 3 services need to be contacted during the planning stage of a construction project?
- Base Fire Dept./911
- Security Forces
- Hospital Emergency Services
What 2 types of traffic cones are used on roadway projects?
- Daytime/low speed cones
- Night time reflective cones
What drum cannot be used as a traffic control device and why?
Metal Drums. Dangerous to vehicles
What are the 3 most common types of warning signs discussed?
- Temporary Traffic
- Horizontal Alignment
- Intersection Warning
How many sections are in a work zone?
5
What is the placement of an advance warning sign based on?
The speed of traffic
Which AFI replaces and substantially changes 91-series AFOSH standards?
AFI 91-203
According to AFI 91-207, what is probibited while operating a GOV while on or off a DOD installation?
Texting
Electrical power tools do not require grounding if the…
Tools are double insulated
What does ROPS stand for?
Roll Over Protection System
AFI 91-203 states civil engineering must use which manual as a guide for planning and placement of of traffic control devices?
Manual on Uniform Traffic Control Devices
Which of the 5 areas of a work zone include 2 distinctive areas?
Active zone
In a work zone, what signifies the official end to the termination zone?
“Resume Speed” sign
What is another way to describe an AF Form 171?
Learners permit
Who is allowed to sign as a trainer on a AF Form 171?
Certified Trainer
What is a AF Form 2293?
AF Motor Vehicle Operator Card (Government Drivers License)
Which AF form is used to document your certification training and proof of your abilities?
AF Form 483
How often must crane operators be certified?
30 months
Where can the subject knowledge based training for dump truck tailgate removal and installation training be found?
AFCEC
What are the 3 soil horizons?
A. Horizon - Organic Materials
B. Horizon - Sand, Gravel, Silt and Clay
C. Horizon - Rock
Why are A Horizon soils not used in any phase of construction?
They are spongey, drain poorly, and do not compact
What Horizon is the base for all types of pavement construction?
B. Horizon
What is another name for C. Horizon and why?
“Parent Material”. It is where B. Horizon materials come from
Define the term “Soil gradation”.
Distribution of different size groups within the soil sample
What are the 2 types of stabilization?
- Mechanical
2. Chemical
Why should you mechanically stabilize the sub grade?
To improve drainage or compaction characteristics of soils.
What does chemical stabilization do for soils?
Cements the soil into a hard mass and changes the soil to make it more suitable for construction
What are the 4 main types of chemicals used for stabilization?
- Portland cement
- Bituminous
- Calcium Chloride
- Lime
How much calcium chloride is added to each square yard of soil (one inch deep) to stabilize sub grade?
1/2 pound per square foot
What is the purpose of a blanket or insulating course?
When a subgrade is composed of high plastic soils
What is used to center the bubble of the bulls eye level?
Leveling screws
How is the compensator suspended on the self leveling level?
On fine non magnetic wires
When leveling the engineer level, how many times should you turn the instrument 90° then back to its original position before you turn it 180° from its original position?
Until the leveling vial is parallel to the 2 opposite leveling screws
What are the 2 general classes of leveling rods?
- Self reading
- target rods
What do the large red marks represent on the Philadelphia rod?
Whole fat marks
Define the term “elevation”
A point where to cut or fill
Once a bench mark is established, whats the first thing you need to do to determine an elevation?
Find the height of the leveling instrument
What are hubbstakes for?
The tops show what the finished grade is to be
Which type of turning point should you ise in sandy soil and on firm ground?
- Turning plates for sandy soil
- Turning points for firm ground
The rotating beam from the laser level strikes the receiver how many times per minute?
600
A GPS reference receiver is set up on what type of point?
A surveyed point
What type of slight tolerance projects is the GPS system not well suited for?
<1/4 in. From finished elevation
When used for specific purposes, what are four types of plan views?
- Plot
- Foundation
- Framing
- Floor
What AF Form is used as a pirchase request?
AF Form 9
When compacting soil for stabilization, what does a blanket or insulating coirse do?
Helps reduce frost action
What is actual datum ised as a reference for measuring elevations?
Mean sea level
What percentage of increased accuracy are laser systems capable of providing over conventional methods?
50%
What is the most common length of a carpenters level?
4 ft.
What is a BOM?
Bill Of Material
