Heavy Construction Flashcards
What type of system do you use to carry water under a road?
Culvert
What business structure is usually time-limited?
Joint venture
How much time does employer have to orally report a work-related accident that results in the fatality of one or more employees
8 hours
What is the average length of time a slump test takes from start to finish
2 1/2 minutes
If an employee is injured on the job, how long does the employer have to notify office of Worker’s Compensation administration
10 days
The safety margin used when choosing wire rope is determined by dividing by
5
How far should trash be kept from a pump station?
10’
The amount a building or structure might settle is governed by the
Compressibility of the soil
What happens to a partnership if one dies?
It dissolves and assets must be sold to pay creditors and partners
How do you increase pressure when using a centrifugal pump?
Decrease velocity of liquid
What type of compaction testing requires the drilling of 1/2”x 12” hole?
Nuclear
A device used for lifting a long steel member when the member cannot be lifted from its center is called
Balance beam
According to OSHA the maximum height of open yard storage of lumber when using a machine is
20’
If the top of a spoils bank is greater than the adjoining surface, what is it called?
Embankment
Corrugated metal pipe (draw pipe) comes in what multiple lengths?
2
A column that is a integral of a wall, or a column that projects from a foundation wall is called a
Pilaster
What are batter boards?
Horizontal bars fastened to posts at strategic points in the building
A __________ is used for a test to measure compression strength in concrete.
Cylinder
How many feet above high tide should a compressor station be put?
3’
Adding water to concrete that is already workable will decrease the concretes
Strength
Who would not be paid first under the Louisiana mechanic lien law?
General contractor
Which is not used for the core of a wire rope?
BC or AC
What would you use to protect the banks around a body of water to prevent washout?
Rip rap
What is the best foundation material for skyscrapers or large buildings?
Bedrock
When you have rebar going in one direction, the temperature bars should be installed
At right angles or 90°
Which one of the following estimating methods is the least detailed?
Square foot method
In highway construction, what is the basis for grading, earthwork, etc?
Centerline
A caisson is similar to what type of pile?
Cast in place pile
Profit margin indicates
The after-tax profit on revenues
Independent contractor payments are reported on form
1099
How far do combustibles need to be stored from tanks
50’
A concept that is aimed toward reducing conflicts and claims on a project is known as
Partnering
While dewatering a site using a wellpoint system, you notice muddy water coming from the pump. Which of the following should you do?
Set the wellpoints deeper into the water table
Blue smoke rising from a batch of hot mix asphalt may indicate
Overheating in the mix
When are concrete cylinders tested?
At 28 days unless otherwise specified
What is the outside diameter for #6 rebar?
3/4”
Gas line that connects production facility to transmission lines are called?
Gathering lines
A chain is measured in what type of increments?
Tenths of a foot
Plastic pipe used to convey gas can be placed how deep underwater?
200’
What is the name used for the inside bottom elevation of a sewer pipe?
Invert
Who is responsible for purchasing a builders risk insurance policy?
General contractor
What would be the best piece of equipment to use in wet clay soil to dig a 40 foot deep trench, with the least amount of movement?
Dragline
The most common gauge of tie wire used in the installation of reinforcing steel is ________ gauge.
16
How is cost estimates on an excavation job?
Based on cubic yards of material to be hauled away
The main factor which determines the capacity of or rating of a crane is
Point at which crane will tip over
What tool is used to remove forms boards?
Wooden edge
Finally preforated pipes are driven into the ground around the perimeter of an area to be excavated. These pipes are connected to one or more aboveground pipes in order to maintain or reduce water table during the site construction.
Well point
The board is composed of ______ members
15
A commonly used method of displaying a project schedule is a
Bar chart
Other than sheet pile, what other type of metal pipe is there?
Tubular steel pipe
What is the name for a legal item that can be placed in a contract that will allow the terms to be dictated prior to acceptance of the contract?
Boiler plate provision
What is the minimum distance that a burn pit must be from a well or storage tank?
100’
The strength of reinforcing steel is measured in
Lbs/in^2 tensile
In wet soil conditions, what describes the soil when a scraper or heavy equipment travels over it?
Pumping
The bottom of an incline is called:
Toe of the slope
When referring to an engineers grading information stake, all measurement will be taken from
The hub
A motor grader with a pivot in the frame which is controlled by two hydraulic cylinders which control the direction is called
Articulated frame
What type of tool is used to drive a bolt in between two beams?
Maul
How far do combustibles need to be stored from tanks?
50’
Who certifies that the project is partially complete for phase payments?
Architect or engineer
When does the percentage of completion method of accounting for long term construction contracts recognize income?
Upon completion of specific phases of construction
What and who does a bond protect and give the right to collect additional funds
Owner, developer, or governmental agency
Pipe is sized by
ID
What can be used to drive a pile in the place of a cushion?
Ring collar
What would be power injected into soil to improve its stability?
Lime
When concrete sewer pipe is installed at the end of the day what should be done to the exposed end of the pipe?
Watertight plug is installed to prevent dirt, rocks, or debris from entering system
What device is bolted to the blade of a grader to help when grading a road around curbs?
Curb shoe
When Crosby-type wire rope clips are used assisting a u-bolt in a set, the U portion must be on _________
The dead end of the rope with all the clips in the same direction
Using fiber mesh in concrete will result in
Thinner thickness with less shrinkage cracks or control joints
Which is the best grade pipe?
A53 seamless Grade B
What is the minimum distance that a burn pit must be from a well or a storage tank?
100’
What increments to telephone poles come in?
5’
Whose responsibility is it to maintain project records and reports?
Super intendant
Who would be paid first under the mechanics lien law?
Laborer
The piece of equipment most commonly used for placing concrete under water is
Tremie
An overhead traveling crane is primarily used where
In a wastewater treatment plant
What color are inflatable indicator vest?
Green
How far should a spoil pile be placed from a trench?
2’
When is bull floating performed?
Shortly after screeding when there’s no visible surface water
What should you do before applying primer to pipe?
Remove the mill scale
What is the standard industry markup percentage added to an estimate?
15%
A copper wire is installed underground alongside a nonmetallic water main to ___________.
Locate a pipe at a later date
The density of soil is measured in
Maximum density
Most accidental overturns in mobile cranes are a result of
Lifting a load with the wheels down
What material is used for anodes?
Zinc or aluminum
In order for a scrapper operator to make a deeper cut, what would he do?
Lower the bowl
Why do you put a breast board in between two beams?
To maintain spacing
What is the volume change called that occurs while excavating earth materials from the compacted position?
Soil swell
Without a $10,000 net worth, how might a contractor obtain a license?
A letter of credit from a bank or surety bond
What is not a type of pile?
Ring
The laser used inside the sewer pipe installation is subject to change due to temperature variations along the length of the piping. What should be done to insure proper laser readings?
Blow air through the pipe
Which ASTM designation is an all purpose carbon steel used widely in the industry?
A36
At what height does OSHA require the use of a safety net if a safety lanyard cannot be attached to a secure point
25’
When driving a pile underwater what do you use?
Follower
The largest size of a standard size rebar that can be lapped spliced is
11
What law provides the legal means for filing a lien?
Private works act
Caissons are:
Shafts with or without casings sunk to the desired depth and filled with concrete
The most important part of the estimating process that requires a complete take off of all materials that will be required in the project is
Detailed survey
A contractor with _____or more employees must have a working and operational safety plan
11
What is the minimum diameter of wire rope allowed when securing a barge?
7/8”
Wide flange beams driven vertically to retain material are known as
Soldier beams
Where must a notice of contract be filed?
With the recorder of mortgages of the parish in which the work is performed
Outrigger scaffold beams shall extend not more than ____ feet beyond the face of the building
6 feet
A tremie is used to pour concrete underwater. The bottom of the pipe should be
Submerged in concrete at all times
Whose responsibility is it to prepare budgets for a project?
Project manager
When using a dragline to unload/load a barge how long does a 180° swing take?
6-7 seconds
What is true if a water reducing agent is added to concrete?
They reduce the water but retard the set time
What term defines the stake whose top issue is a known point of reference to establish elevation and distance?
Hub or benchmark
Which of the following types of bonds guarantees the owner that the project will be completed according to the plans, specifications, and terms specified in the contract?
Performance bond
The reason for lowering a footing in certain areas is
The temperature is low
When does a contractor need to apply for the renewal of his license without a penalty?
Within 15 days of expiration
What type of pile can support no vertical load?
Sheet
What is the best material used under railroad tracks?
Gravel
On a railroad track what material is not good for a foundation beneath the track?
Sand
What would be used to check the air content of plastic concrete?
Air meter
Concrete contains ______ percent aggregate
60-75
What is used to prevent movement of the load when using shackles?
Pack pin with washers to center
When concrete for a caisson is poured on to a footing, how are the two attached?
Deform rebar
Company overhead usually averages up what percentage of revenue?
5 to 20%
How deep should a pipeline be buried below water under the ground?
48”
NPS ____ and __________ has outside diameter equal to the nominal pipe size.
14, larger
What is the name used for the inside bottom elevation of a sewer pipe?
Invert
Open yard storage of hazardous waste cannot be stacked higher than?
20’
What type of insulation has the highest value?
Poly foam
What is used to guide a pile?
Leads
Who must file a notice of contract?
The general contractor
Which trenchless excavation insert a carrier RCP into the horizontal shaft?
Augering
Scaffolding should be rated at____________ times its intended use.
4
Floating concrete is done when
After the surface water has left
According to Louisiana revised statutes, contractors are required to pay subcontractors and suppliers within how many days?
14 days
How many members of the board shall have the majority of their experience as a licensed contractor in the field of Highway and street construction
4
How far should trash be kept from the Pumpstation
10’
What is a jeep used for on a pipeline?
To find holidays
What is a crab?
Small hand winch
Approximately how long does it take to unload a barge when using a dragline to unload?
7 hours
What is the best most economical method to de-water a swamp?
Divert
If a welder is working on a large interstate gas transmission line how often must he be requalified?
Every calendar year
Cast-iron pipe is generally used in which of the following piping systems?
Low-pressure systems
What does the structural steel designation HP14x73 mean?
Bearing pile section 14 inches deep, 73 pounds per foot
From a pump station how far should a fire pit be placed
50’
What is the requalification period for a welder working on gas transmission lines?
12 months
When preparing a road base, what soil reacts best to vibration?
Sand
In the accounting process, what is the first step?
Bookkeeping
A ropes strength will be reduced by ___% if it is put in a sharp bend or tied in a knot
60
What is Payline?
A line outside the building line that marks additional space to be excavated for working
What is the minimum diameter of wire rope allowed when securing the upstream end of a barge?
1 1/4”
A centrifugal pump works best when it is placed
As close to the water level as possible
A transmission line is constructed over unlevel ground but the changes in elevation do not show in the conductors, this is an example of a
Well graded line
What should be added to mortar to increase the compressive strength?
Cement
When measuring for a link belt change the distance between the rollers is called the
Pitch
What is the maximum job you can do without the respective license?
$75,000 residential, $50,000 commercial, $7500 home-improvement, one dollar hazardous material
What is the function and chief component of a slurry trench?
Water cut off and bentonite
What moves a polyurethane pig through a pipe?
Oil and water
According to OSHA the maximum height of open yard storage of lumber when manually storing is
16’
How far from a wellsite do you store batteries, fuel, or any other hazardous material?
100’
A ___________ is used for a test to measure compression strength in concrete
Cylinder
What fastening device is used with threaded rods to plumb and tension parallel structure steel members?
Turnbuckle
What is the term used to describe a progress payment that is held by the owner as security for one guarantee of the contractors full and complete performance
Retainage
On schedule 40 pipe, when does the standard wall thickness change?
10”
What is the minimum gauge PVC pipe that can be threaded?
Schedule 80
By what date must a company’s annual summary of occupational injuries and illnesses for the past year be posted?
February 1
How is the turnbuckle secured?
Safety latch
The projecting arm on a heavy crane that is attached to the bone is called what
Jib
What type of weld is used for an H pile?
Fillet and butt weld
What is a girt?
A horizontal member attached to columns to support siding or exterior cover
At what depth of an excavation does OSHA require a ladder?
4’
What is the stake height for a slab on grade form?
Below the form
Earth taken for hauling to a job site which is short of earth needed for fill, comes from _____________?
Borrow site
If the qualifying party terminate employment, the board must be notified within
30 days
What is the peak sound pressure level that OSHA will allow
140 db
In the installation of slip joint piping, you should:
Lubricate the spigot end and the gasket
What does the structural steel designation S18 x 70 mean?
Amer. Standard beam 18” deep X 70#/LF
Which type of Portland cement is designed to produce high compressive strength concrete at an early period
Type III
Waste water station pump sizes are usually designated by the pumps
Discharge nozzle diameter
Which of the following documents enables contractors to change some of the general conditions without rewriting the entire contract?
Special conditions
What is the definition of a gabion?
A cylindrical or rectangular container filled with earth and stone used in constructing dams, erosion breaks, and foundation
And untreated pile must be driven to__________to prevent decay
Below ground water level
What are not standard types of concrete pipe?
Square
If you want to increase the slump in concrete what should you add?
Superplasticizer
When lifting a load with a crane where is the best point of zero gravity?
Below the hook but above the lowest point of the load
What is the first transaction in the bookkeeping process?
Source documents
What type of supports are used on power poles set in sandy and swampy areas
Guys, braces, or cribbing
When is final payment due to a contractor?
After finishing the punch list items
What test do you use to find the maximum density of soil?
An unconfined compressive strength test
What type of equipment uses a gantry?
Dragline
What is the distance of the last posted sign closest to the actual construction site?
500’
The optimum moisture content of a soil is the amount of moisture at which
Maximum density is obtained
Working capital is
The difference between current assets and current liabilities
What is the acronym use for organic material according to AASHTO?
SVOC, TOC, VOC
What type of insurance is considered to be an important part of the risk management program of a partnership in case of the death of a principal?
Key man
What is the minimum age for a worker in a non-hazardous job?
14 years
A concrete joint which allows both vertical and horizontal movement is best known as
Isolation
Where do you obtain the centerline of the road?
Profile view
The increase in bulk of soil when it is being dug or blasted is known as
Soil swell
What type of pile is created by driving a woodpile to ground level then attaching a steel beam to the wood. Driving is continued with a shell or mandrel to the desired depth. The shell is then removed and the shaft is filled with concrete
Composit
What is used to measure water pressure?
Piezometer
If a gas pipe transmission line is placed under a river, how much soil cover is required?
48”
On new industrial pipe installation, what is installed in front of pumps before flushing the system?
Temporary strainers
Pipe turn 90° using 5 sections of pipe. What is that called?
5 piece mitered elbow
In the accounting cycle, where do the cash receipts fall?
The disbursements journal
What is side cast?
The material that comes off the end of the blade on a piece of earthmoving equipment
A sand cone test is used to measure
Compaction
At what depth does OSHA require a trench to be shored on the sides?
5’
What is a “cloud” contract?
Lien contract
What is used as a temporary set of walls to keep soil and or water from entering the excavation?
Cofferdam
Any tree that would reach within 5 feet of a point underneath the outside conductor of a transmission line if it fell is known as a
Danger tree
Which of the following is grouted when installing a piece of equipment?
Base plate
What is the average size pipe used for a tremie?
10”-12”
What is another name for the markers which establish the boundaries of a lot
Monuments
Aggregate from a sand or gravel pit that has not been processed is known as
Pit run
In moving dirt during an excavation, where is the unused dirt stored for future use?
Stockpile
Which of the following types of soil would be the most expansive or swell the most?
Clay
What is the standard size of a piemeters opening?
60 microns
What is used to determine the density of asphalt?
Nuclear density test
What moves a polyurethane pig through a pipe?
Liquid
What is the standard size of a piezometer?
3/4”
How often should wire rope be inspected?
After every use
Before a license can be issued by the board for hazmat work, what agency must issue certification for the contractor?
Louisiana Department of environmental quality
How deep do you set a utility pole that is 40 foot long?
6 foot
Specified by its outside diameter and wall thickness expressed in BWG or thousandths of an inch.
Tube
If a contractor is doing work with hazardous materials, when is he required to have a license?
If the contract is more than one dollar
What is used as a spacer when layering rebar three times?
Metal spacer
The Miller Act requires a contractor to provide performance and payment bonds on public work projects. What is the minimum amount of a contract at which Miller Act requirements apply?
$100,000
What is the minimum safety factor for wire rope?
3
Who locates the boundary markers?
Contractor
How often does the board meet?
Once a month
What is the name for the pile that is formed by driving a casing into a set depth and removing the casing while filling the hole with concrete?
Shell-less
How are railroad track ties placed?
21 1/4” apart
What bond would cover faulty workmanship or materials after the job is complete?
Maintenance bond
What is the term to describe a transmission line running level while the ground undulates?
Grading
What type of pile is used when there is no bearing foundation? (Sand or earth with no bedrock)
Friction pile
What type of bond may be used in place of a performance and payment bond?
Completion bond
On any structure a footing supports the
Dead load
What are jetting chains used for?
Cleaning pipes
Identified by nominal pope size, with wall thickness defined by schedule number, API designation, or weight.
Pipe
What is considered an immaterial breech of contract?
A delay in work
What is the minimum distance for posting construction signs on a construction site?
1500’
Not a basic field test used for quality design and control?
Cement content and density
How long must an employer maintain records about work-related injuries?
5 years
How do you increase the slump of concrete?
Add water
What is used for a base plate share?
Leveling nut
In obtaining proper soil compaction, it is important to
Control the amount of water in the soil
A sand cone test is used to measure
Compaction
If a Workmen’s Compensation notice is posted in the workplace, how long does an employee have to report a work-related injury to the employer?
30 days
What is the upper part of a pile called after it was driven?
Head
What type of soil would you use a grab hammer drill in?
Rock or any other soil
Who is responsible for providing the survey, plot, and plans?
Owner
While trenching and excavating, OSHA requires at least ________ feet of clear unobstructed distance from the trenches edge to the toe of the soil pile
2
What is the worst material used under railroad tracks?
Clay
When using two sections of scaffolding when do you tie it off?
20 feet
What color is used to mark electrical utilities by LA one call?
Red
Pipe can be stacked no more than ____ feet high
6
Fiberglass reinforced pipe should be used for
Alkaline, acidic, or oxidizing chemicals
If you want to pour a column faster what do you do
Pour using stiffer concrete
The test for the tensil (flexurial) strength of concrete uses a _______?
Beam
A person shall not be the qualifying party for more than ________
1 company and 2 subsidiaries
How far should a spoil pile be placed from a trench?
2’
What is the standard width of crossarms on an overhead power pole?
6
What would you feel the drum of a sheep’s foot roller with?
Water and sand
What is the main ingredient used when pickling pipe?
Hydrochloric acid
What does a blue signal light mean to a train engineer on the railroad?
That people are working on the line and that access is not allowed on that portion of track
What method can you use to transfer a grade from one side of a road to the other without the use of a builders level?
Sweding
A point indicating where the fill slope stops and the roads or shoulder grade begins is called
Hinge point
The datum point, property lines, grade lines, & utilities easements are shown on the _________ plan.
Plat
A contract must contain which of the following elements to be considered valid?
Offer (proposal), acceptance and consideration
When reeving a block, the loose or dead end of the rope is placed in a
Becket
What percent retainage is commonly withheld from progressive payment?
10%
Which form is used to apply for an EIN?
SS – 4
When time is of the essence, a construction project that allows construction to begin before completion of all the drawings and utilize multiple prime contractors is called
Phased or fast track construction
How do you decrease the slump of concrete?
Add superplasticizers
When laying asphalt how does the roller operator know when to stop compacting
After finishing the rolling pattern
A chain usually comes in standard length of
50’ and 100’
In a wastewater treatment plant the two most commonly used types of pumps are centrifugal and
Pneumatic ejector
Planks on scaffolding should extend _____ beyond the ends of their supports
6”
Which power excavating machine is designed to operate against the face of the bank that it displaces as it moves forward?
Dragline
What does a dredging screen do?
Preevent silt from exiting the area
What type of business can sell its assets without selling the business itself?
Union
When must a notice of contract be filed?
Before the work begins on any contract exceeding $25,000
What is a wicket?
A small door usually mounted as part of a larger one
What lengths are utility poles cut or sold in?
5’
Wastewater station pump sizes are usually designated by the pump ____________
Discharge nozzle diameter
What is the minimum depth to set a utility pole
5’
What indicates a curvature in a horizontal line to a higher or lower elevation?
Vertical curve
The spill off from the ends of a dozer or grader blade which forms a ridge of loose material is called
Windrow
What type of pile displaces a large amount of soil?
Any pile other than a drilled pile
Which ASTM designation is an all purpose carbon steel used widely in the industry?
A36
What does grade “40” on a piece of re-bar mean?
40,000 pounds per square inch tensile
Compressibility of soil involves ___________
Rearrangement of the soil grains to a denser, thinner layer, usually involving the squeezing out of water when a load is placed on the soil.
From any point on a transmission line to a vertical point on a conductor is called the
Sag
Concrete strength is designated in pounds per square:
Inch, compressive
A line that carries gas from a current production facility to a transmission line or main is called a
Gathering line
Which of the following railroad bolts are not permitted?
Ribbed Bolts
What type of railroad bolts should be used?
Unfinished or turned bolts with single self locking nuts or double nuts unless otherwise specified.
For which type of railroad bolt must the threads be entirely outside the holes?
Turned Bolts
For railroads, what does not need to be coated with rust-inhibiting grease?
Bolts
The maximum mass or force which the product is authorized to support in a particular service
Working load limit
A test applied to a product solely to determine injurious material or manufacturing defects
Proof test
The average load or force at which the product fails or no longer supports the load
Ultimate strength
And industrial term denoting a products theoretical reserve capability
Design factor
The minimum design factor for chain slings and end attachments
4/1
The minimum design factor for wire rope slings, synthetic slings and their end attachments
5/1
At an angle of loading (horizontal sling loading) of 30°, the tension on each sling is ________ compared to its single leg straight line hitch capacity.
Doubled
Angular loading of a shouldered eye bolt will result in
Decrease in capacity
Fittings must be removed from service if
Any significant deformation can be detected
Tie backs are anchored to ______ when used with soldier beams
Earth or rock outside the wall
According to OSHA, all trenches over _______ feet must be shored regardless of how solid the ground appears
5’
The side rails of a ladder should extend _____ above the roof
36”
Planks on scaffolding should extend _____ beyond the ends of their supports
6 inches
When should wire ropes be replaced?
When 5% of their wires per lay are broken
Torches, bottles, regulators and other welding/cutting equipment should be kept free from
Oil
According to OSHA, what is the maximum developed length in feet of a lanyard safety line?
6’
A pile is being driven with a double action steam pile driver. The head of the pile starts to bloom and split. Which of the following would you do?
Decrease the steam pressure at the boiler and at the hammer
To perform a hydra static test on pipe with cement lined on the inside you should
Hold pressure for 45 minutes then begin testing
When concrete for a caisson is poured onto a footing how are the two attached?
Deformed rebar
What should be added to mortar to increase the compressive strength?
Cement
When LaOneCall is used, what determines their start and stop points for marking?
The area the contractor designated that he is working in
Along the coast, when can you not install an above ground gas valve for an underground line?
In a protected area
I have a project as hazardous materials what must a contractor have in place
Action plan
What is used to determine flexural strength?
Beam
What is used to lift a long object that cannot be lifted from the center
Spreader bar/balance beam
At what height working from a scaffold board does OSHA requires someone to wear a safety lanyard
10’
When lifting a 45 foot long bundle of rebar from one location to the next it should be picked up using what
2 slings and a choker
When on a scaffold, what height from the next level is the owner required to provide a safety harness?
6’
When drilling in sand with an auger what should it be pumped to help the auger along
Water
Where is a safety lanyard placed on a person?
Center of the back
When do you start jetting?
Simultaneously when you start drilling
What is a jeep used for?
Checking for cracks in the coating
After dredging and forming an island you have excavation work to perform on site, what should be done to ensure the density is adequate?
Pentrameter check
Rebar is spliced when _______
Bars are not long enough to cover the specified distance
What is a bull float designed to do?
Push aggregate down and allow moisture to rise to the surface
What happens to the concrete during a cone test when the cone is removed?
The cement will begin to slump/fall
Which is the following is the primary reason to place a heat trace in a water pipe
To prevent freezing of the pipe
According to OSHA what is required when working in a bell trench
Lifeline
When mooring a barge to a dock where do you tie it off?
Both front and back
How many whistles does a drainage received when being approached or when it is moving in reverse
3 whistles
How is the thickness of concrete measured?
Probe
What is a skirt used for?
To keep material in a designated area
What is a common thickness of asphalt?
5-7 inches
How high are form boards in relation to the slab
Level with the slab height
What is the common thickness of asphalt?
5-7 inches or 3-4 times the size of the largest aggregate used
Why are electric charges sent through pipe lines that fluid is transported in
Keep bacteria out of the system
What is true about geotextile when laid out beneath rip rap from the flow of a culvert in a stream
Overlay geotextiles 6”
What size are the openings of 6x8 12w wire mesh?
6x8
What is used to ensure she piles are installed perfectly horizontally?
Piles on both side
When erecting a steel building what is done last?
We’d it together
How do you increase the slump of concrete
Add water
How do you decrease the slump of concrete
Add super plasticizers
What would be the last step when aligning a pump and motor?
Shim motor feet
When driving a spiral pile what permanent structure is typically used to protect it near water
Caissons
When driving a spiral pile what temporary structure is usually used to protect it near water?
Cofferdam
How is a Jeep propelled?
Electricity
Why would a cloth be placed over the top of a metal pile when driving?
To prevent sparks from falling on workers
How do you treat hot asphalt that is in direct contact with the skin?
Apply cold water to the skin
At a railroad crossing how are the green and red lights positioned?
Vertical green over red
How are base plates attached to beams?
Welded at the shop
When rebar is delivered at a job site, how is its use marked (slab, walls, etc)?
Tags placed on bundles
When lifting a 40 foot bundle of rebar what type of strap/sling would most likely be used?
Wire rope sling with spreader bar
When grubbing is being done and must be transported on the water ways who should you contact?
Louisiana Department of Agriculture
When scaffolds are hanging overhead how much should it be rated for?
6 times
When a welder welding on pipeline what should he be certified under
API
When is bull floating performed?
Shortly after screeding when there is no visible surface water
When cold pouring concrete what curing method/compound is used?
Do not use any but monitor the temperature
What is the best material used under railroad tracks?
Gravel
What is used to prevent movement of load when using shackles?
Pack pin with washers to center
When lifting a load with a crane where is the best point of zero gravity?
Below the hook but above the lowest point of the load
In what soil is a well point least useful?
Clay
What do you put around and auger?
Water
What is a jeep used for on a pipe line?
To find holidays
When driving a pile underwater what do you use?
Follower
What is the location of a load with wire rope?
Under hook and center of gravity below
Where do you obtain the centerline of a road?
Profile view
How is a marsh buggy moved around a job site so that it will not get stuck?
Move within tracks coming in and out
What type of insulation has the highest value?
Poly foam
If a project has hazardous materials, a contractor must have?
MSDS
What is the term to describe a transmission line running level while the ground undulates?
Grading
Which of the following is an expansion joint when pertaining to transmission lines?
Bundling
When do you replace wire rope?
When there are three broken wires on one strand
What is the minimum safety factor for wire rope?
3
How do you increase pressure when using a centrifugal pump?
Decrease the velocity of liquid
How far from a Wells site do you store batteries, fuel, or any other hazardous material?
100’
What is the minimum distance that a burn pit must be from a well or a storage tank?
100’
What is the standard size of a piezometer?
3/4”
Approximately how long does it take to unload a barge when using a dragline to unload?
7 hours
What is used for railroad track ballast?
Crushed stone
How is a 12” pipe measured according to NPS?
ID
How is a 16” pipe measured according to NPS?
OD
When concrete sewer pipe is installed at the end of the day what should be done to the exposed end of the pipe?
Watertight plug is installed to prevent dirt rocks or debris from entering system
According to OSHA fall protection is required when working on scaffolding about how many feet?
10’
What is required on scaffolding if overhead work is being performed?
2 inch planking or material of equivalent strength laid tight
If you want to pour a column faster what do you do?
Pour using stiffer concrete
For a long well point where expansion is a consideration what material is beat suited?
PVC
What materials are used for anodes?
Zinc or aluminum
What is a stake height for a slab on grade form?
Below the form
Which of the following is the strongest steel brace?
Angle support
What is used for a base plate shim?
Leveling nuts
What is the abbreviation for a steel beam with a wide flange?
W beam
What is used as a spacer when layering rebar three times?
Metal spacer
What does a dredging screen do?
Prevent silt from exiting the area
How is the thickness of asphalt determined?
Probe
How far do combustibles need to be stored from tanks?
50’
If moving a cmu block what must be done?
Use new mortar
What does LaOneCall place blue marking flags for?
Potable water
What color are inflatable indicator vests?
Green
When demolishing a building where are the utilities cut off at?
At the building line
If workers must pass under scaffolding what should be done prior to use?
Provide a screen between the toeboard in the guard rail, extending along the entire opening, consisting of number 18 gauge US standard wire 1/2 inch mesh or the equivalent
If you want to decrease the slump in concrete what should you add?
Superplasticizer
What is a pig used for?
Check for obstructions within the line
Which of the following is grouted when installing a piece of equipment?
Base plate
Jetting is least useful in what type of soil?
Gravel
When digging in unstable soil how should you install a shoring box?
Dig the soil a little more narrow than the box and push it in
What are the acronym is used for organic material according to AASHTO?
SVOC, TOC, VOC
Open yard storage of hazardous waste cannot be stacked higher than
20’
From a pump station how far should a fire pit be placed?
50’
If reshoring is necessary when should reshores be placed?
As the original forms and shores are removed
If you are dredging with in the Louisiana coastal zone who must you notify?
Office of coastal management
When setting a pile using a winch line where is it lifted from?
1/3 from the top
When reusing form boards when should they be inspected?
Before every use
According to OSHA the maximum height of open yard storage of lumber when using a machine is
20’
According to OSHA the maximum height of open yard storage of lumber when manually storing is
16’
What type of weld is used for an H pile
Butt and fillet weld
What do you do with the rebar that sticks out horizontally?
Nothing
What is the definition of a gabion?
A cylindrical or rectangular container filled with earth and stones used in constructing dams, erosion breaks, and foundations
When installing pipe by the end of the day pipe that has been laid should be
Buried
When using a concrete vibrator what is a sign that the vibrator should be withdrawn?
When air bubbles are no longer coming to the surface
What is used to determine the density of asphalt?
Nuclear density test
What is used to measure water pressure?
Piezometer
What is the standard size of a piezometers opening?
60 microns
When should you inspect erected shoring equipment?
Before the pouring is started, during the pouring process, and immediately after the concrete is poured
Of reshoring is necessary when should reshores be placed?
As the original forms and shores are placed
What lights are required for a barge that is secured along the bank?
Two white unobstructed all round lights
If you dredge an area and plan to move your equipment to the spoils site what test is used to determine the bearing ability?
An unconfined compressive strength test
How far are railroad ties placed?
21 1/4” apart
If you have a dent in a ladder, what do you do?
Mark or tag”Do not use” and remove from use
If you have a dent in your hardhat what should you do?
Remove from service and replace
When working in a swamp or marshy area what should be done to a bulldozer?
Increases the pad width
When reusing form boards, when should they be inspected?
Before every use
Floating concrete is done when
After the surface water has left
What moves a polyurethane pig through a pipe?
Oil and water
What would be used to pickle or clean metal pipe surfaces?
Phosphoric acid
Fiber-glass reinforced pipe should be used for?
Alkaline, acidic, or oxidizing chemicals
How should concrete pipes be unloaded from trucks?
Run padded chains around the pipe and use slings to unload off the truck
Pipe can be stacked no more than ___ feet high
6’
According to OSHA a hard hat should be worn to protect from overhead falling objects as well as
Electric shock
Outrigger scaffold beams shall extend not more than _____ feet beyond the face of the building
6’
What would be used to find unlevel spots in an asphalt paving matt or roadway?
Rolling straight edge or (profiligraph)
What would be used to check the air content of plastic concrete?
Air meter
What type of pile is used when there is no bearing foundation?
Friction pile
What is the most common problem with wood piles?
Insects
At how many feet off the ground does OSHA requires the use of safety nets?
25’
The safety margin used when choosing wire rope is determined by dividing by
5
What type of soil would you use a grab hammer drill in
Rock or any other soil
When lifting a load with two cranes at the same time, which of the following is true?
Use one signal man for both cranes
And untreated pile must be driven to ____ to prevent decay
Below ground water level
What is not part of the ductile iron pipe joint?
Weld flange
From any point on a transmission line to a vertical point on a conductor is called the
Sag
At what height does osha require the use of a safety net if a safety lanyard cannot be attached to a secure point
25’
