3E3 Afsc
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During a contingency, what command and control functions should you understand?
The crisis action team (CAT), emergency operations center (EOC), and unit control center (UCC)
During a contingency, what center directs all base operability, survivability, and recovery operations?
EOC
Who directs the EOC?
Support Group Commander
Who commands and staffs CE's UCC?
The chief of operations commands the UCC and the staff is predominately CE's senior enlisted
Why do the aircraft runway and command and control facilities have a high priority for expedient repairs?
Because they are critical to the base mission
When CE's UCC is activated, where do the DATS assemble?
In their staging areas
Identify the career fields that ideally make up the DART
One civil engineer officer (32E3), one 3E1 (HVAC/R), 3E4 (Utility), and 3E0 (Electrical). However, many bases use one member from 3E3 (Structural) and no officers
What ADAT member is responsible for the team's movement when a UXO is involved?
The EOD memeber
The ADR teams are responsible for which repairs?
Assessing damage and repairing the airfield, taxiways, airfield lighting, and arresting systems
What center has the authority to determine what ADR repairs are needed and in what priority?
EOC
What should be your focus when shoring any weakened areas in a facility?
To restore a minimum degree of structural integrity to the facility
Guys are usually fashioned out of what items?
Wire rope and turnbuckles
How are guys normally installed?
To function in opposing pairs to provide lateral restraint from such forces as wind or ice loading
As a rule of thumb, when attaching wire rope clips for guys, what are the minimum requirements for 1/2- or 5/8-inch rope; 3/4- or 7/8-inch rope?
Three clips spaced about 3 1/4" for 1/2" or 5/8" rope; four clips spaces 4 1/2" for 3/4" or 7/8" rope
What is the use of jacking?
To stabilize the structural integrity of a facility affected by vertical loads (the affects of gravity)
When jacking with timbers, at what measurement is the timber cut?
Half inch shorter than the distance from the top of top of the jack to the floor
What does the sandwiching technique involve when splinting a damaged column?
Sandwiching a damaged column in between two steel plates (splints) and secured with threaded rods
Describe the use of stitching dogs to restore some structural integrity into a cracked concrete slab
Take steel bars, normally rebar, and form it into a U-shape and place it over a crack like staples. The dogs should be of random length and variably spaced along the crack. The holes the dogs are inserted into must be well grouted to ensure a tight fit
What life-threatening hazards can you be exposed to while on a damage assessment or repair team?
Downed electrical wires that are live; ruptured gas lines with explosive vapors; chemical, biological, or nuclear agents; a UXO; or a structure that might be ready to collapse at any time
What is the goal of expedient structural repair?
To restore a facility to a safe condition with a degree of weather protection for occupants
What type of fastener is used to attach a plywood patch over a concrete roof deck?
Powder-actuated fasteners
When making a metal roof repair, what action should you take to provide additional water protection on the upslope side?
Place caulk or silicone on the upslope side
When using the plastic sheathing protective technique to cover a hole in a wall, what size nailing strips should be used?
At least 1x2" furring strips or 12-gauge, 1-inch-wide metal strips
When patching holes in plywood or other nailable substrate (for walls), what size should you cut the nailing strips and plastic sheeting?
Cut nailing strips 12 to 24 inches wider than the hole and cut the plastic sheeting 24 inches wider than the nailing strips
When using plywood to repair a small hole in a nailable substrate (wall repair), how much overlap should you allow for over the undamaged siding?
At least a 6" overlap
When repairing a large hole in a load-bearing masonry wall, what size headers should you use to brace inside the hole?
2x8" double headers
Which plan prepares us to react to unforeseen circumstances, such as an enemy attack, with an emphasis on restoring operations, saving lives, reducing human suffering, and minimizing further damage?
Contingency response plan
Which center is established as a command and control element to direct and monitor pre-attack survival actions and post-attack recover?
Emergency Operations Center
Who directs all base operability, survivability and recovery operations within the emergency operations center?
Support group commander
Which center does the damage assessment and response team report hazards?
Unit control center
What must the damage assessment and response team determine before entering a facility?
Structural soundess
Who controls the airfield damage assessment team?
Emergency Operations Center
Who normally oversees the minimum operating strip selection process?
Base Civil Engineer
Which center has the authority to determine which airfield damage repairs are needed and in what priority?
Emergency Operations Center
Which type of shoring is particularly effective when damage has been sustained to end or sidewalls yet roof members have been essentially untouched?
Guys
Which type of shoring is usually made of structural steel and heavy timbers?
Braces
They type of shoring used to stabilize the structural integrity of a facility affected by vertical loads (the effects of gravity) is
Jacks
Which shoring method is particularly useful with reinforced concrete columns that have not been seriously damaged, yet show signs of cracking or minor fracture?
Splints
Which shoring method restores some structural integrity into a cracked concrete slab?
Tension ties (stitching dogs)
When performing expedient repairs to a roof, what should your first efforts be towards?
Ensuring adequate shoring and bracing
How are emergency repairs made to fire-damaged trusses
Scraping off the charred material and sistering a piece next to it
After expedient patches have been made to a flat roof, the next action you must take is
Ensure the roof still drains properly
What is the first action you should take to repair a large hole in a load-bearing masonry wall?
Shore and brace the area around the hole
How are all of the base pieces played when assembling them?
With the hooks on the outside of the shelter facing down
When setting the arches onto the base frame, where should all of the bottom arches coded red be placed?
On the same side of shelter
In what sequence are the red and yellow coded purlins installed?
You should begin installing the red-coded purlins first, and then work towards the opposite end where the yellow-coded purlins are installed
What is used to secure the end panel base rope (at designated locations) to the base hooks on the outside of the base frame?
The hook tool provided with the kit
When working the main cover over the ends of shelter, how much overlap should you have?
At least a four to five inch overlap.
At what approximate location are guy anchors installed for the guy ropes?
Approximately 36 inches away from the side of shelter
Which linter is installed in the SSS first?
The mid-liner
When making minor repairs on the cover or floor, what size patch must you cut?
Cut the patch large enough to extend a minimum of 3 inches on all sides of the damaged area
What is used to make repairs for larger tents?
A hand held heat welder and pressure roller
What are the four single-headed spikes used for?
To anchor the end base centers (two at each end)
How is the floor installed on the MSS?
Unfold the non-slip floor and slip the floor cutouts over the base stubs with the black side towards the ground
How many sections are assembled together to form an arch assembly?
Each arch assembly consists of six sections with one bottom arch (red coded) on each assembly
When installing the purlins on the MSS, how are the pins placed?
Place pins (installed from the top down) through the purlin sleeves and purlins.
What is a ketter?
The ketter is the edge of the panel that slides into a groove in the frame
Once the top liner is in place, how do you check the frame for plumb?
Hang a pullover rope from the top purlin. If the frame is plumb, the rope will hang straight down.
What is used to apply tension to the main cover?
The power pull and extension cable
When is installing the duckbill anchors not required?
When the shelter is anchored to a 4-inch reinforced concrete slab
When installing the receptacles in the MSS, at what height above the floor are they placed?
They should be 47 inches up from the floor
In what position should the eight liner panels that come with the MSS be installed?
They should be positioned with the center loop fasteners all facing towards the same end of the shelter
Which shelter can be installed on concrete using thunder studs?
The Dome Shelter
Which shelter comes equipped with explosion proof lighting?
LAMS
The Aircraft Maintenance hangar has how many shipping containers installed in the corners?
Four containers
What distance must there be between latrines and water supplies and messing facilities?
At least 100 yards
What are the ground requirements when siting for a latrine?
Construct the latrine on level ground (preferably) and never uphill from the campsite or water supplies.
What size is recommended for a straddle trench latrine?
1 foot wide by 2 feet 6 inches deep by 4 feet long. There should be at least 2 feet in between trenches (if multiple trenches are located side-by-side) for footing.
Within what distance of ground level should you close a straddle trench latrine?
Within 1 foot of ground level
What type of markings should be made to indicate there is a closed latrine?
A sign "closed latrine" with the closing date placed firmly in the earth over the area
What soil conditions require the construction of a separate urine soakage pit and what size should it be?
When the latrine pit is in soil that absorbs liquids poorly; about 4 feet square by 4 feet deep.
When assembling and installing the arch assemblies on the small shelter system (SSS) where are the red-coded arches placed?
On the bottom; same side
In order to secure the purlins to the arches on a small shelter system (SSS) slip the purlins through the
Purlin sleeves and place pins from the top down
When installing the main cover on a small shelter system (SSS), you should work the cover over the ends until you have at least a
4- to 5-inch overlap
Approximately where and how are the guy anchors installed for the small shelter system (SSS)?
36 inches away from the side with the top of the anchor away from the shelter
Identify the proper sequence for installing liners in the small shelter system (SSS)
Mid liner, side liners, and end liners
What is the first step when disassembling the small shelter system (SSS)?
Ensure that all power is disconnected from the electrical system at the source
When assembling a medium shelter system's (MSS) base frame, the four single-headed spikes are used to
Anchor the end base centers
When the cold weather kit is used how is the medium shelter system's (MSS) floor installed?
Install the insulated floor pads first; then install the floor with the black-side down
How many pullover ropes are used to install the top liner on the medium shelter system (MSS)?
Four
How many pullover ropes are used to install the main cover on the medium shelter system (MSS)?
Six
Which of the following procedures is not required when a medium shelter system (MSS) is anchored to a 4-inch reinforced concrete slab?
Installing the duckbill anchors
At which height above the floor are the receptacles installed in a medium shelter system (MSS)?
47 inches
The shelter that can be installed directly on concrete using thunder studs is the
Dome shelter
Which shelter has a main structure that consists of 7 arches and two end walls
Aircraft maintenance hangar
The aircraft maintenance hangar (ACH) has how many shipping containers installed in the corners for office space?
4
You should construct field latrines on
Level ground and never uphill from the campsite
When digging multiple side-by-side trenches for the saddle trench latrine, how much space should you allow in between the trenches for footing?
2 feet
What activities do engineer personnel provide after an air base attack?
Damage assessment, MOS selection, explosive ordnance safing and disposal, bomb damage repair
What does airfield damage repair assessment include?
Evaluation of damage involving runway surfaces, taxiway surfaces, and other facilities that directly support aircraft operations
What area(s) does the MAOS include?
The MOS combined with access taxiways from aircraft staging areas such as shelters and parking aprons
What is a crater? What are the characteristics of a large crater?
Craters are damage that penetrates through the pavement surface into the underlying base and sub grade soil uplifting the surrounding pavement and ejecting soil, rock, and pavement debris around the impact area. Large craters have an apparent diameter equal to or greater than 15 feet
List the three types of ADR repairs
Expedient, sustainment, permanent repairs
What does RQC provide?
The purpose of the RQC is to provide a single number, expressed in inches, for each MOS crater repair
What are the three main types of crater repair methods currently used in the Air Force?
Debris backfill, choke ballast over debris, and sand-grid methods
If crater repairs are not within RQC tolerance, who makes a decision whether to attempt aircraft operations under such conditions?
The wing commander
What are the height requirements for a filled-in crater in relation with adjacent undamaged pavement surfaces?
It should be flush, but 3/4 inch, plus or minus, is allowed
Why is AM-2 matting rarely used on the MOS?
Because of the bounce that an aircraft encounters when its wheels hit the height difference between the patch and the undamaged pavement
What are some of the precautions in repairing and/or laying AM-2 panels?
It requires 200 to 300 percent more effort to place AM-2 than to remove it. The more exact the base course finished grade, the easier it is to lay AM-2. Six hours is about the maximum time a person can sustain production when handling AM-2. Use a sting line along the edge for proper alignment. To maintain proper alignment, always use a locking bar as a spacer behind the last joint. Never crowd the bundles of stacked panels next to the panels being laid.
What is the recommended team configuration for AM-2 matting?
A 16-man team consisting of: 1 mat chief to supervise construction; 1 alignment person to make sure that the first mat in each row is in proper alignment; 2 pry bar people to adjust the individual mats and to insert the locking bars; and 12 (six 2-man teams) mat installation people to lay the at in place
Where is the assembled starter key lock placed?
At the appropriate extended centerline of the crater (either parallel or perpendicular to the MOS centerline)
When attaching towing tubes to the matting using the concurrent with key lock assembling method, what tubes are installed first and where are they installed?
The two starter-towing tubers are placed on a 20-foot piece of assembled mandrel, centered on the special connector
How are ramps properly aligned with the mat and what is used to fasten the ramps together?
Use locking bar spacers between the mat and the ramp to keep it properly aligned; fasten ramps together with flat-head screws coated with anti-seize compound
How thick is FFM? What is the size of a standard patch?
About 3/8" thick. A standard patch consists of two panels when attached make the overall patch 60' x 54'
What is used to join fiberglass mats?
Joining panels that are installed with bushings and anchor bolts. One of each length (24' and 30') is needed to join two mats together
When anchoring FFM to asphalt-overlaid concrete pavements, what size anchor bolts should be used?
Normally 9 1/2" to 10 1/2" long anchor bolts that are 5/8" to 3/4" in diameter
Describe how you re-anchor a FFM that was removed to fix a failed crater repair
Remove all anchor bolts and bushings. Tow the.FFM away from the crater. Repair the crater. Check the crater to make sure it is within the tolerance for the FFM. Tow the FFM over the crater. Align the anchor bolt holes so that they are at least 6" away from the original drilled holes. Use the same anchoring system that was used to originally anchor the mat to the pavement.
What is spall damage?
Surface damage (missing pieces of pavement) that does not penetrate the base course and does not damage an area greater than 5' in diameter
When repairing a spall, why should you use a jackhammer to form 1-inch-deep sidewalls when a spall is shallow and dish-shaped?
This actin reduces the chance of the repair popping out when aircraft wheels repeatedly roll over the repair
What is the preferred fill material used to repair spalls?
Polymer concrete
What determines the workability of magnesium phosphate cement?
The air temperature
How long should you mix magnesium phosphate cement ingredients before emptying it from the mixer?
1 to 2 minutes
What is the main piece of equipment used by the MOS paint marking team?
The paint-striping machine
What materials are used to stripe the MOS?
When striping the MOS, use a fast drying white traffic paint with reflective beads. Use black traffic paint to cover any existing markings.
What three colors of traffic paint do you use to make contingency repairs to airfield pavements?
Black, White, Yellow
Which type of paint is preferred for improved night visibility?
Reflectorized paint
What does retroreflective mean?
The light is reflected back to the source it came from
Displaced threshold arrowheads and chevrons (which paint?)
Retroreflective yellow
Aircraft arresting system warning markings (which paint?)
Retroreflective yellow
Runway shoulder and closed runway markings (which paint?)
Nonreflective yellow
All primary taxiways and taxi-lane markings (which paint?)
Retroreflective yellow
All runway markings (which paint?)
Retroreflective white
Why is it important to have advanced planning and training in runway marking procedures?
To make sure any losses from injury or death can be overcome
How much paint must you procure and store for MOS markings and obliteration?
Enough white paint for a 10,000 foot MOS and enough black paint to obliterate at least one half of all existing runway markings.
Who directs the MOS marking teams to move the assembly area?
The UCC
What's the final task of the four-person MOS layout crew?
The removal of any existing airfield marking signs
Why do we place a 55-gallon drum of water on the paint striping machine trailer?
To flush the paint machine system when the paint colors are changed
How do you mark the centerline of the MOS?
With a broken line with each section 50' long, 30"-36" wide, and spaced 50' apart
What do you paint first after the MOS is identified?
The end stripe (threshold or departure end as appropriate) at one of the MOS ends
Why are existing runway markings obliterated with black paint?
So they don't interfere with aircraft operations or mislead pilots
List in order the priority areas for obliterating markings on the MOS.
(1) Threshold markings (2) Designation markings (3) Centerline markings (4) Aircraft arresting system markings (5) Taxiway lead in and/or lead out line markings (6) Touch down zone markings (7) Fixed distance markings
What is hardening?
The process of strengthening buildings and utility systems to resist the destructive effects of weapons or natural forces
List the major categories of protective construction
Hardened, protected, semi-hardened, collaterally protected, splinter protected, and exposure protected.
What are some of the typical high priority facilities that receive hardening protection?
Aircraft, command and control centers, personnel shelters, and communication centers.
What is Concertainer revetments material made from?
Galvanized wire panels covered with a geofabric liner
When building multi-layer Concertainer structures, to what depth are the cells filled in the previous layer before installing the second layer?
Approximately 3" from the top
What is the purpose of capping the Concertainer revetments? Where are some of the methods?
To prevent water entry into the fill material. Cover the revetments with tarpaulins or other roofing material, or cap with a 6" layer of concrete
What components are most maintenance actions performed?
Door tracks, door rollers (turret tanks, and guide roller), limit switches, deceleration valves, door drive assembly (hydraulic unit, electric motor and speed reducer)
Where can you usually find repair methods for your specific aircraft shelter doors?
In the manufacturer's instructions or TO
What is the purpose of the deceleration valve?
It slows down the speed of the door when it is within approximately 5' of the full closed position
What turns off power to the door motor when it reaches the fully opened or closed positions?
The limit switch
Before performing any maintenance on HAS doors, what must be done?
Turn the main power panel off and lookout and/or tag out the switch to prevent anyone from turning it back on
Who determines and reports the location, types, and quantity of airfield pavement damage to the emergency operations center?
Damage assessment team
Which type of airfield pavement damage has an apparent diameter equal to or greater than 15' and penetrates through the pavement surface?
Large crater
Which type of airfield pavement repairs create an operationally capable minimum operating strip, based on projected mission aircraft requirements, in the fastest manner possible?
Expedient
Which airfield damage repair (ADR) set uses 91 persons and 61 equipment items?
Small
Which airfield damage repair (ADR) set uses 164 persons and 135 equipment items
Medium
What is the acceptable repair quality criterion that the filled-in crater should be in comparison with the adjacent undamaged pavement surfaces?
Flush, plus or minus 3/4"
How is the AM-2 matting starter key lock placed after it is assembled?
Parallel or perpendicular to the extended crater centerline
When attaching AM-2 matting towing tubes concurrent with the key lock assembly, how is the starter tube that receives the first piece of matting placed on the mandrel?
With the prongs facing up
To install the first row of AM-2 mats the correct procedure is to start with
Full-size mats and lay left to right
How do you keep the rows of AM-2 matting in proper alignment during assembly?
Install locking bars in between the mats
When assembling folded fiberglass mat (FFM), the mats are placed end-to-end about
4' apart
When unfolding folded fiberglass mat (FFM), the criteria used on the side opposite the tow vehicle to lift each successive panel as the tow vehicle pulls the mat is at least a
Four-member team or front-end loader with forks
What action should you take to try to prevent the resin from flaking at the folded fiberglass mat (FFM) hinge locations?
Have a vibratory roller make one pass down each hinge location and follow with a broom sweeper
When using 9 1/2" long anchor bolts to anchor folded fiberglass mat (FFM) to asphalt pavements, what hole diameter and how deep should you drill?
1 1/2" x 10"
When it is necessary to anchor folded fiberglass mat (FFM) that was moved to repair a failed crater repair, the mat positioned for Rancho ring by align the
Anchor-bolt holes at least 6" from the original holes
When repairing a spall with magnesium phosphate cement, you should mix the ingredients for
1-2 minutes
Identify the type(s) of paint used for paint striping
Nonreflectoriezed and reflectorized
Which of the following paints is used for all runway markings
Retroreflective white
Which of the following paints is used on runway shoulder markings and closed runway markings?
Nonreflective yellow
Identify the paints used for all primary taxiway and taxi-lane markings
Retroreflective yellow
After the minimum operating strip (MOS) layout and marker placement is complete, what is the final task for the four-person team?
Remove any existing airfield marking signs
The paint striping machine's spray guns are adjusted to provide a
30" - 36" wide strips
Where you encounter difficulty locating signs to identify taxiways, mark the identification letter on the pavement near the
Centerline in 6' block letters
Which type of hardening is only needed when the threat is great and time permits major military construction programming, design, and construction?
Permanent
You can connect additional sections of Concertainer together by
Overlapping the coil hinges and inserting a connecting pin
When constructing multi-layer Concertainer structures, approximately how high from the top should you fill the cells?
3"
When removing a guide roller from a hardened aircraft shelter (HAS) door, you should open the door until the inside end of the door is within approximately
6' - 8' from the the speed reducer
When removing a turret tank from a hardened aircraft shelter (HAS) door, you should place a 100-ton capacity jack near the
Middle of the tank
When removing a turret tank from a hardened aircraft shelter (HAS) door, how do you keep the weight of the door from rupturing the jack's hydraulic seals?
Place a metal spacer underneath the door to hold the door off the tanks
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