4th Test Flashcards
What are end bearing piles
Direct support of vertical load driven vertically.
What is a fender pile
Protects docks, Piers, and bridges from impacts.
What is a dolphin pile otherwise known as a pile cluster
Surf same as Fender in multiple art tie together to maneuver ships.
What is a guide pile
Use two guide other piles
What angle is a batter pile driven at
4°-12°
What is a bent piles
2 or more piles driven in a row
What things can deteriorate a pile durability
Bugs decay marine borrowers can deteriorate durability
What is springing when driving piles
Vibrates too much.
What is bouncing when driving piles
Hammer is too light.
What are two types of cast in place concrete piles
Shell which uses a case
Shell-less which does not use a case
How long minimum should concrete cure before disturbing soil
Min 12 hours
Who can approve precast concrete mix design changes
Contracting officer or ROICC or FEAD can approve.
What is needed before driving piles into the ground
Dig permit
What is the superstructure of a bridge
The lower half.
What are the two types of bracing used on bridges
Longitudinal and transverse
What is the super structure of a bridge
The upper half of the bridge, which includes girders, stringers, decking flooring Treadway, curves and hands.
What type of nail is used on super structure construction
60D nails.
What is a jetty used for also known as brake water
Directs current flow along channels
What does a seawall do
Protects shoreline from erosion from wave action
What is a wharfage structure
Allows ships to dock in offload
What is the list limit of a floating crane
5°
What is insulation used for
Used to inhibit thermal and sound transmission
How is flexible insulation manufactured
Manufactured in bats, blankets, and rolls
How is loose fill insulation manufactured
Comes in bags.
Two types of rigid insulation
Structural which you can walk on and nonstructual
What u value is most desirable in insulation
Lowest u value
What is a b t u
British thermo unit
One b t u raises one pound of water by one degree fahrenheit
What is u value
Total heat transferred through material.
What is R factor
Thermal resistance high is desired
What is c value
Heat in btu’s by convection that passes through materials, low C is best.
How does acoustical tiles and panels work
They resist sounds with tiny airpockets
How are impact sounds carried
Carried by material.
How are reverb sounds carried
Carried by echo
What is s t c
Sound transmission class
What is the purpose of insulation
Economy and comfort
retards spread a fire
prevents excess condensation
reduces noise transfer into building.
What does a crawl space require
A vapor barrier.
What is another name for an in wall fan
Whirly bird or turbine.
When inspecting insulation what items are looking for
No wet or damp insulation.
Vapor barriers installed on warm side “interior of exterior” wall
How high can insulation be stacked
No higher than 20 feet unless authorized.
What is a gable roof
Ridge at center and slopes into directions
What is a hip roof
Four sloping slides it is the strongest roof because it has four hip rafters
What is a gable and vally roof
Intersectting at 90° angle.
What is a shed or lean too roof
One slope or pitch
How to determine types of materials needed for roofing
Influence by cost
service life
wind resistance, fire resistance
and local climate.
What is one square in roofing
Number of shingles required to cover 100 square feet of surface.
What is a top lap in roofing
Where one row of shingles overlaps row below about 7 inches.
What is exposure in roofing
About 5 inches of shingles shows.
What is slope in roofing
Incline of roof
ratio of vertical rise to horizontal run fraction of 4” inch rise for every 12” of run.
What is pitch in roofing
Incline of vertical rise to twice the horizontal run.
What is a flood coat in roofing
Top layer of bitumin poured, not mopped
Roofing felt dimensions and weight
15 feet and 30 pounds per square.
How do you store roofing felts
At 50°F or greater for 24 hours before laying.
When should you stop surface prep of roof
If weather drops below 40°F.
How far in do you hammer nails on roofing
Flush
What’s the max temp for asphalt used on roofing
No greater than 450 decrease Fahrenheit.
What’s the max temp for coal tar used for roofing?
No greater than 400°F.
When inspecting roof flashing the distance up verticle surfaces is ___ and ___ on roof
At least 8 inches up vertical surfaces and 4 inches on roof.
When laying shingles closed means what
Weave shingles
When laying shingles open means what
Metal material or 90 pound rolled roofing. In valleys, shingles laid no closer than 3 inches from center line.
How must tile be cut
With a wet saw.
What kind of nails do you use with slate tile
Copper or brace nails.
How much does slate tile weigh?
750-1500 pounds per square
For shake or wood shingles what is not always required
underlayment
What can’t be used in buildings or within 25 feet of combustible materials.
Hot substances
What’s the purpose of a door
Provides access
protection
safety
privacy
What kind of materials do doors come in
Wood
metal
plastic
glass.
What is an interior door rough opening
Framed 3” higher in 2 1/2” wider than the door width.
What’s a type of exterior door
Solid core door
What is a panel door
Hinge and lock style
horizontal members called rails. Additional verticals are called muttons.
What is a mutton
Additional verticals in a door.
What’s the purpose of a storm door also called a french or sash door
Protects primary door
How must doors be stored?
Door stored in clean, dry space and upright.
Is toothing out allowed
Not allowed unless in specs.
What amount of warping in a wooden door is caused for rejection
1/4” for standard
Steal hinge doors must have the following
Fire rated must have a label
Exterior must have weather stripping and a threshold.
Sealed and flush capped
A steel rolling door otherwise known as a garage door must have what
End locks and wind locks.
For according doors the fire spread rating must not be more than what for panels
25
Is q c authorized to sign off on vault doors
No
What is the purpose of a window
To allow entry of light and air
Important part of design look.
frames assembled at factory
What is a casement window
Hedged on one side has a crank system which opens outwards.
What is the thickness for polished plate glass
1/8 inch to 1 1/4 inch.
Two types of window glares
Transparent and translucent based off of color
Are you allowed to use putty on insulating glass
Not allowed
Gauge and openings for a wired glass windows are
Mesh 25 Gage with openings No larger than 1/8 inch for fire rating.
What compression must a rubber water tight gasget meat
@least 15%
What subpart in the 29th CFR states That is the employer’s responsibility for safety
“C” General safety health provisions.
What’s subpart in the twenty nine c f r covers fall protection
Subpart m
When is fall protection required
6’ + or 39”inches
An extension platform must have what
One side needs removable railing.
What’s another name for a woodstrip furring
Wood nailer
Steal stud’s must be what
True and plum.
Control joints must be what in regards to furings
One furring each side of joint.
What gets installed first the ceiling or the wall for gypsum
Install ceiling First, then wall.
What are the types of metal lathing (diamond mesh)
Expanded metal
expanded rib
wire mesh.
What are some types of base coat plasters
Gypsum
red top use
wood fiber
Portland cement.
What is plaster gauging
Lyme is mixed with putty blended for durable trough finish
What is ornamental finish plasters used for
Used for special trims and to replicate.
What are some attitudes for finish plasters
Acrylic
retarder
accelerator
bonder.
For gypsum wallboard the finish coat needs to be what
Needs topping coat as second or third coat to ensure best results.
Where is greenboard or w r board used
Bathrooms
kitchen’s
laundry rooms.
What kind of fasteners are used for metal studs
Type s for steel studs
wood studs type w screw
What is the nailing pattern on the ceiling and walls?
7” ceiling
8” wall
What kind of nails are used for pre decorated gypsum wallboard
Color pin nails also known as Brad nails.
Nailing on gypsum board must be how far from edge minimum and max
3/8” edge min
1” max
Two types of ceramic tile classifications
Exposure and location.
How fast can epoxy mortar set
1 hour set time if 82°F or higher.
Where should epoxy be used
On counter tops and other surfers that need to be sanitary for food and chemicals.
Where do you use furan resin
Industrial areas for resistant to acid and weak alkaline.
What do you use a notched trough on?
Mortar
What do you use a rubber troll? On?
Grout
What must you do to grout lines before grouting
Clean
In regards to tile what is installed first the wall or the floor tile
The wall tile before floor tile.
For drop down ceiling tiles or acoustical tiles what sizes do they come in
12”-30” width
3/16”-3/4” thick
12”-60” lengths
The hangar for drop down ceilings must be what
12 gauge wire in space every 4 feet on center.
What sizes do woodstrip flooring come in
Widths of 1 1/2” - 3 1/4”
What types of underlymet can you use for flooring
Rubber
foam
soundproof.
What temperature range must the building be in to install flooring
65° - 80° before, during and after install
What is the minimum and maximum widths
For resilient flooring?
Min 72” w
Max 12’ w
Sheets vinyl
When installing carpentin what must be installed first
Tack strips
What is oil based paint
Not for use in water.
Dry oil mixed with linseed with one or more pigments.
What is the enamel paint
Hard tough and resistant to abrasion and moisture.
Where is rubber based masonry paint used?
Wet places such as laundry showers and kitchen.
What is shellac used for?
Applied on knots on wood to prevent bleeding.
What is unique about laquer?
Requires the most amount of Coats.
What is the max lead rating in materials
Max .06%
Plaster must set for how long and have a moisture content of what
30 days set time and no more than 5% moisture contact.
What’s the max moisture percentage allowable to paint.
12%
What is aller gatoring
Expanding uneven
And contracting of undercoat.
What is peeling
Taco does not adhere to undercoat inadequate surface prep.
What is blistering
Gas or liquid pressure underpaint.
What is crawling
Failure to adhere new to old paint.
What are some general specialties types of accessories
Dispensers,
holders
bar’s
waist recepticles
and miscellaneous accessories.
Two types of according doors
Rigid or flexible.
Countertop joints must be what
Joints between adjacent pieces should be securely joined with Stone adhesives and joints filled level to the surface of countertop.
Two main subdivisions of trestle and bridge construction
Substructure and superstructure.
This is how insulation should be installed with vapor barrier
Towards the interior on an x terrier wall
Three types of windows
Double hung
casement
Stationart
