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
