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