CM 150 Exam Review 1
During excavation and placement the volume of soils
Change
W
Civil Works
Contour lines never meet, end, or cross except in the case of a/an __________.
Cliff or cave
Contour lines never meet, end, or cross except for
Cliffs, caves, etc.
Cross Section Leveling
Computation of volumes of earth that are cut or filled. Similar to profile but elevations are determined perpendicular to centerline
Z
Contractor Drawings
Concrete reaches its specified design strength after 28 days of ____.
Curing
Chaining Mistakes
Cutting a foot, not understanding what true zero is, not compensating for temperature
If you are on a construction site where there is no mean sea level monument with an elevation nearby, what type of point is established?
Datum
Engineers
Define industry standards, quality, and schedules for equipment
Architect
Defines materials, processes, quality standards, industry standards, installation procedures, responsibilities
Owner
Defines quality
D
Demolition
Three types of specifications
Descriptive, proprietary, performance.
Profile Leveling
Determining elevation along a defined line (roadways). Numerous foresights taken
Which leveling process determines the difference in elevation between two points?
Differential Leveling
Once you have been classified as __________, it is almost impossible to overcome it.
Dishonest
Contour lines are ___________ and _____________.
Drawn freehand, uniformly spaced
Which type of leveling instrument has been the workhorse of the industry for more than 150 years?
Dumpy Level
E
Electrical
A contour is a line that is drawn on a map to represent a line of constant __________ on the ground.
Elevation
All points on a contour line have the same ___________.
Elevation
Height of instrument (HI)
Elevation of line of sight. Known Elevation (BM) + BS
When temperatures are above 68 degrees F, the chain will?
Elongate
Which scale is typically used to draw site plans?
Engineer's Scale
Q
Equipment
Which is not an example of a planimetric feature included on a site plan?
Existing Contours
True or False: Accuracy is the closeness of measurements to each other while precision is being able to obtain the true value with the measurements taken
False
True or False: At the end of this course, you will be a qualified land surveyor.
False
True or False: Commonly on topographic maps, existing contours are shown as dashed lines while on architectural site drawings, existing contours are often shown as solid lines.
False
True or False: In the construction field, you should anticipate problems and take care of them whenever you have time
False
True or False: Only one correction can be applied to a chain length
False
True or False: The greater the distance between the gridlines when performing borrow-pit leveling, the greater the accuracy of the volumes that are computed.
False
True or False: The most common method of transferring elevation up into a structure is through normal differential leveling procedures.
False
True or False: To read to the hundredths, the observer should keep in mind that the bottom of each graduation is an even number and top of each is an odd number.
False
True or False: Zero on a chain is always in the same location.
False
True or False: Measuring angles will likely be the most frequent measurement made when working alone.
False- Distances
True or False: When an instrument is wet, you should wipe it down with a dry cloth
False- Leave it out to dry
Level Rod
Feet, inches, and fractions Feet, tenths, and hundreds Meters and centimeters
F or FP
Fire Proctection
____ agents are added to concrete or grout to cause a slight expansion in it before it hardens.
Gas-forming
G
General Information
Division 01
General Requirements
Meeting Minutes Format
General Topics- announcements and notices Administrative- contracts and change orders Scope of Work- discuss the actual work Document Management- Construction Specific Documents such as RFIs, Submittals, etc. Meetings- Next Meeting Info Distributions- Items distributed at the meeting & items distributed with Meeting Minutes.
Your BCY volume should be _________ than your CCY volume.
Greater
Your LCY volume should be __________ than your CCY volume.
Greater
Which leveling process is an excellent method to determine volumes of irregularly shaped excavations?
Grid Leveling
H
Hazardous Materials
Meeting Minutes
Help the project team track the progress of construction, what was discussed, what was resolved, who attended the meeting and a slew of other items.
Which is not one of the sources of errors when chaining?
Higher power
Sections
Included when you need more detail and there is important information
I
Interiors
Avoid __________ others and carrying one-sided conversations
Interrupting
Grid Leveling
Irregular shaped excavations
L
Landscape Drawings
Pace
Length of pace = distanced paced divided by number of paces
Instruments for leveling
Level Rod, rod targets, rod levels
LS
Life Safety
Meeting minutes must have ______ at bottom
disclaimer
Specifications
1. Act as a guide for contractors/bidders for estimating and bidding. 2. Supply technical descriptions of material and workmanship and requirements. 3. Serve as a legal document for conflict resolution.
Performance Spec
1. Establishes parameters so the contractor knows the function and required results intended for the item. 2. Standard compliance criteria provided
Descriptive Specs
1. Generic descriptions. 2. Details the required properties of a material, product, and assembly. 3. No manufacturers are listed.
Proprietary Specs
1. Identify the desired products by brand name, model number, etc. 2. Identify the manufacturer who produces similar acceptable products.
Roughly what precision can a practiced individual expect when pacing?
1:50 to 1:200
Contour Lines
Lines that identify elevation
Fundamentals of chaining
Maintain good alignment Measure horizontally Apply proper tension Hold the chain properly with hands and arms Always have rock solid body positioning Measure all distances twice Avoid errors by careless plumbing
M
Mechanical
Meeting Minutes Content
Meeting # Date Location Project Name Project location and address Minutes prepared by Date of distribution Safety Conference call in # and code Who attended and how Project directory Items and documents distributed at the meeting and to whom
____ units are cast in molds in a plant, then cured and shipped to the job site.
Non-Pre-stressed
O
Operations
X
Other disciplines
Benchmark (BM)
Permanent solid point of know elevation
____ is a measure of the amount of water that passes through channels running between the outer faces of the concrete.
Permeability
What will not be documented in your field book?
Pictures
What can be done to prevent a tripod from toppled over?
Place sandbags on the legs
When setting a tripod up over a point, what instruments do we use?
Plumb bob, optical plummet, laser plummet
P
Plumbing
Which layout activity has a tolerance of zero? (By US Standards)
Primary control
D
Process
What type of activities involve thorough review of completeness, accurate conformance to the plans and specifications, and coordination with subcontractors and suppliers?
Procurement
Which leveling process determines the elevation of a series of points along a defined line?
Profile leveling
A field engineer who is continually __________ by trying to respond in an instant to someone's perceived needs will be run ragged.
Putting out fires
Foresight (FS)
Reading on a level rod over point where elevation is unknown
Backsight (BS)
Reading on level rod over point where elevation is known
If contour lines are far apart,
the slope is gentle.
If contour lines are close together,
the slope is steep.
V
Surveying/Mapping
When hauling soil from a site you only apply _______ factor.
Swell
Remaining divisions
Technical specs. (General, Products, Execution)
T
Telecommunications
Turning point (TP)
Temporarily transfer elevation FS+HI or FI-HS
A document that is poorly structured and full of unclear paragraphs, incorrect words, and misspellings, can easily give the reader the impression:
That you are not a reliable person in business
What are the basic practices of field note keeping?
The basic practices are record data exactly, keep field book safe, leave no room for interpretation, make references, and use a hard pencil
What is the interval between contour lines?
The change in vertical distance.
Meeting Minutes reflect....
The view of all parties, and should give a complete, reliable, and accurate documentation on the current status of a project.
S
Structural
Arithmetic Check
Sum of BS = Sum of FS
Breaking Chain
When the ground is so steep that it is impossible to use a full chain.
When chaining, make sure that everyone knows where
"Zero" is on the chain
The ____ test is used to ascertain the resistance to wear of hardened concrete samples.
Abrasion
____ admixtures are used to entrain microscopic air bubbles in concrete.
Air-entraining
Concrete admixture
Any other material used in concrete
A
Architectural
What type of foundation requires a major excavation?
Basement
Concrete is usually prepared in ____.
Batches
Division 00
Bidding and contract requirements
The ____ test is used to determine the water and cement content of fresh concrete.
Cement content
Basic Ingredients of concrete
Cement, water, coarse aggregate (rock), and fine aggregate (sand)
What is the effect on the distance measured if the tape is not level?
Record more than actual
R
Resource
When bringing soil back to a site, you must apply _________ factor as well.
Shrinkage
What does it mean to "cut a foot?"
Start at the one-foot mark rather than zero
T
Title
What should be in a field notebook?
Title page Table of contents Legend of symbols North Arrow Identification Information Date, time, weather Use sketches freely Do not erase
If the length of the chain is less than its nominal length then the chain is:
Too short
True of False: Always double check when in doubt
True
True or False: A North direction should always be shown on site plans for orientation purposes.
True
True or False: Contours of a depression or hole in the ground have the same general appearance as contours of a hill.
True
True or False: Effective letters and memos outline procedures, answer questions, help make decisions, provide information, promote confidence, and maintain good will.
True
True or False: Elevations on a cross-section are typically determined wherever there is a change in the slope of the ground.
True
True or False: Erasing information is not permitted in field books
True
True or False: If a rod level isn't available, a common practice is to "wave" the rod.
True
True or False: Mistakes are large while errors are small
True
True or False: One very important step for ensuring that mistakes in setting grade are eliminated is to always sight onto two BM's in order to determine the HI of the instrument.
True
True or False: The engineer's chain is graduated feet, tenths, and hundredths, rather than feet and inches
True
True or False: The left-thumb rule states that the leveling bubble follows the left thumb
True
True or False: The method of contour areas can be used when volumes of dirt are needed quickly and the only information available consists of contours from a topographic map
True
True or False: The rule of thumb is to only plumb at one end of the chain.
True
The ____ system consists of a series of concrete joists cast at right angles to each other to form a grid.
Two-way joist framing
Type ____ Portland cement is used only in concrete that is exposed to severe sulfate conditions.
V
Elevation
Vertical distance or height above zero datum (sea level)
Closed Loop
Way of checking for mistakes