Exa, 2

Question 1

This is used as a base, The plaster is bonded to this.

Answer 1

Lath

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Question 2

This construction consists of supporting construction, lath, and plaster.

Answer 2

Wetwall Construction

Question 3

What are the 5 Methods for Waterproofing?

Answer 3

1) Integral
2) Membrane
3) Metallic
4) Painting
5) Plastering

Question 4

Designed to resist dampness and is used on foundation walls below grade and exposed exterior walls above grade.

Answer 4

Damproofing

Question 5

This method of waterproofing employse a compound that consists of graded fine-iron aggregate combined with oxidizing agents. When the compound is applied, it provides the surface with a coating of iron.

Answer 5

Metallic Method

Question 6

This is designed to resist the passage of water and, usually, to resist hydrostatic pressures to which a wall or floor might be subjected.

Answer 6

Waterproofing

Question 7

What temperatures are too cold for masonry?

Answer 7

40 degrees and falling or 32 degrees and rising

Question 8

A horizontal member that supports the masonry above a wall opening

Answer 8

Lintels

Question 9

These are often provided to drain any moisture that might have gotten through the outer wythe.

Answer 9

Weep Holes

Question 10

This is built into the wall and is generally installed by the mason. It is installed to keep moisture out and to divert any moisture that does get back to the outside of the building.

Answer 10

Flashing

Question 11

Mortar may consist of what?

Answer 11

1) Portland Cement
2) Hydrated Lime
3) Mortar Sand

Question 12

This is primarily used as a veneer for interior and exterior walls, it is also used for walkways, riprap and trim on buildings.

Answer 12

Stone Masonry

Question 13

What is the first thing to be determined in estimating the quantity of brick?

Answer 13

The size of the brick and the width of the mortar joint

Question 14

This includes brick and hollow tile.

Answer 14

Clay Masonry

Question 15

This is formed by raking or scratching out the mortar to a given depth, which is generally accomplished with a tool made of an adjustable nail attached to two rollers.

Answer 15

Raked Joint

Question 16

This comprises all molded CMU’s used in the construction of a building and includes concrete brick, hollow and solid block, and decorative types of block.

Answer 16

Concrete Masonry

Question 17

How is Vapor Retarder estimated?

Answer 17

By the Roll

Question 18

How is Rebar estimated?

Answer 18

By the Ton

Question 19

What are the categories that concrete can be separated into? (5)

Answer 19

1) Type
2) Color
3) Strength
4) Special Curing
5) Special Testing

Question 20

Individual concrete members that are cast in separate forms and then placed in the structure.

Answer 20

Precast Concrete

Question 21

This is used with the form to determine the texture or pattern obtained on the surface of the concrete. Can be fiberglass, plastic-coated plywood, rubber, or steel.

Answer 21

Form Liner

Question 22

Prebuilt systems of these forms are used extensively on poured concrete not only on large projects, but even for foundation walls in homes. Its advantages are that the systems are reusable several times, easily adaptable to the various required shapes, interchangeable, and require a minimum of hardware and minimum of wales and ties, which are easily placed.

Answer 22

Metal Forms

Question 23

This is one of the most common materials used to build forms. Its advantages are that it is readily accessible and easy to work with, and that once used, it may be taken apart and reworked into other shapes.

Answer 23

Wood Forms

Question 24

What does PCA stand for?

Answer 24

Portland Concrete Institute.

Question 25

What does ACI stand for?

Answer 25

American Concrete Institute

Question 26

What are the two most important factors in the design of wall and column forms?

Answer 26

1) The Rate of Placement of the Concrete (ft/hr) | 2) The Temperature of the concrete in the forms

Question 27

What may be necessary for curing concrete during hot weather?

Answer 27

Periodical sprinkling of the concrete with cold water

Question 28

What may be necessary for curing concrete during cold weather?

Answer 28

A heated enclosure or some type of additional heat

Question 29

The period during which the concrete is subjected to favorable temperature and moisture conditions. This specified period usually ranges from 3-14 days.

Answer 29

Curing Period

Question 30

The process of which concrete cures with the chemical combinations between cement and water. This requires time, favorable temperatures, and moisture.

Answer 30

Hydration

Question 31

These are used to seal construction ad expansion joints in poured concrete structures to protect against leakage caused by hydrostatic pressure.

Answer 31

Waterstop

Question 32

These are made of aluminum and bronze, they are available in a wide variety of shapes for various uses.

Answer 32

Expansion Joint Covers

Question 33

What CSI division are Vapor Retarders part of?

Answer 33

Division 7, Thermal and Moisture Protection

Question 34

This is placed between the gravel and the slab is poured on it, it is usually included in the concrete portion of the takeoff. It mostly consists of polyethylene films or kraft papers.

Answer 34

Vapor Retarder

Question 35

How is rebar priced?

Answer 35

By the Hundredweight (100lbs)

Question 36

If rebar is noted as a No. 7, what is its diameter?

Answer 36

7/8 inch

Question 37

This is an economical reinforcing for floors and driveways and is commonly used as temperature reinforcing and beam and column wrapping.

Answer 37

Welded Wire Mesh

Question 38

How do you find Labor Costs?

Answer 38

LC = Quantity Takeoff x Appropriate Productivity Rate

Question 39

What are the steps to the procedure to estimate concrete on a project? (4)

Answer 39

1) Review specs and list out requirements for each area 2) Review drawings and compare with specs 3) List each of the concrete items required on the project 4) Determine quantities from drawings

Question 40

Where do the Footings extend out from? And what is the length of the Footings in comparison to the wall length?

Answer 40

1) Footings extend out from the foundation wall | 2) Footings length is greater than wall length

Question 41

When estimating footings, columns, beams, and girders, how is their volume determined?

Answer 41

Volume is determined by taking the linear footage of each item times its cross-sectional area.

Question 42

When estimating footings for buildings with irregular shapes and jogs, what must the estimator be careful to include only once?

Answer 42

the corners

Question 43

What are the basics materials required for concrete?

Answer 43

Cement, Aggregates, Water

Question 44

This will most commonly be hot-mix and is generally classified by traffic and use.

Answer 44

Asphalt Paving

Question 45

These are used to support loads. They may be wood, steel "H" sections, poured-in-place concrete with metal concrete removed, poured-in-place with metal casing left in place, wood and concrete, or precast concrete.

Answer 45

Bearing Piles

Question 46

This is created by placing topsoil over the rough grade.

Answer 46

Finish Grade

Question 47

This is the putting back of the excess soil that was removed from around the building during the general excavation.

Answer 47

Backfilling

Question 48

This is any excavation that requires special equipment to be used for a particular portion other than general excavation may be included. These are usually the portions of work that require hand excavation.

Answer 48

Special Excavation

Question 49

This type of excavation involves the removal of all types of soil that can be handled in fairly large quantities.

Answer 49

General (Mass) Excavation

Question 50

This method of quantifying cut and fill is often used when dealing with long, narrow tracts, such as roads.

Answer 50

Average End Area Method

Question 51

This method entails dividing the site into a grid and then determining the cut or fill for each of the grids. If the changes in elevation are substantial, the grid should be small.

Answer 51

Cross-Section Method

Question 52

This type of Earthwork consists of bringing soil in to build the land to a higher elevation.

Answer 52

Filling

Question 53

This type of Earthwork consists of bringing the ground to a lower level by removing earth.

Answer 53

Cutting

Question 54

What type of equipment is used for the cutting and filling requirements on large-sized grading projects?

Answer 54

Tractor-hauled and Self-Propelled Scrapers

Question 55

What type of equipment is used in large excavations as an economical method of excavating and loading the trucks quickly and efficiently?

Answer 55

Power Shovel

Question 56

What type of equipment is used for digging basements, trenches for strip footings, and utilities and for excavating individual pier footings, manholes, catch basins, and septic tanks?

Answer 56

Backhoe

Question 57

What type of equipment is often used in shallow excavations, provided the soil excavated near the area, and should not be used to travel over 100 ft in one direction?

Answer 57

Front-End Loader and Bulldozer

Question 58

If material must be hauled some distance, either as the excavated material hauled out or as the fill material hauled in, what equipment may be required?

Answer 58

Trucks or Tractor-Pulled Wagons

Question 59

Materials that have been placed and have been compressed.

Answer 59

Compacted Cubic Yards (CCY)

Question 60

Excavated material that is uncompacted and is usually used as the fill on projects.

Answer 60

Loose Cubic Yards (LCY)

Question 61

The compression of soil being compacted into a smaller form than when it was loose. This is expressed as a percentage of the undisturbed original or bank volume.

Answer 61

Shrinkage

Question 62

When __________ materials are placed and compacted on a project. It will often occupy less volume than in its Bank condition. This reduction is referred to as shrinkage.

Answer 62

Loose

Question 63

The expansion of soil assuming a larger volume after excavation; This is generally expressed as a percentage gained above the original volume.

Answer 63

Swell

Question 64

When ________ materials are excavated, the earth and rocks are disturbed and begin to swell.

Answer 64

Bank

Question 65

Material in its natural state is referred to as _________ material.

Answer 65

Bank Cubic Yards (BCY)

Question 66

How much does rock typically weigh per cf?

Answer 66

150lbs/cf

Question 67

How much does soil typically weigh per cf?

Answer 67

100 lbs/cf

Question 68

How many cf make up 1 yard?

Answer 68

27 cf

Question 69

A boring made on the site in the general location of the proposed building to determine soil type, depth of the various types of soils and water table level.

Answer 69

Soil Borings

Question 70

This type of excavation involves removing small quantities of dirt often by hand.

Answer 70

Special Excavation

Question 71

This type of excavation involves the removal of large quantities of dirt for portions of the building (such as basements) or for road cuts

Answer 71

General or Mass Excavation

Question 72

This type of excavation involves bringing the site close to its final grade.

Answer 72

Rough Grading Excavation