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C-10 Landscape Trade > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

To aid in identification, it is suggested that what be used?

A

Paints and flags

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2
Q

Utility companies have adopted standard colors, what is the proper color for ELECTRICAL?

A

Red

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3
Q

Utility companies have adopted standard colors, what is the proper color for Gas?

A

Yellow

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4
Q

Utility companies have adopted standard colors, what is the proper color for WATER?

A

Blue

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5
Q

Utility companies have adopted standard colors, what is the proper color for SEWER?

A

Green

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6
Q

Utility companies have adopted standard colors, what is the proper color for PHONE,COMMUNICATION LINES?

A

Orange

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7
Q

The bottom course of all walls should be what?

A

Buried below grade

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8
Q

Excavation of a wide trench along the wall alignment will ease access problems. What do you use for excavation?

A

Skid-steer

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9
Q

Never use what material for base, infill or backfill?

A

Pea Gravel

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10
Q

What is a more costly substitute for railroad ties?

A

Treated wood/Landscape Timber

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11
Q

Two common types of segmental units are called what?

A

Pinned and Lipped wall units

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12
Q

What is missing using dry-laid stone?

A

Mortar

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13
Q

Excavations maybe required in locations where walls are being placed. How many feet in front and behind wall to excavate?

A

2 feet/ 2 feet

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14
Q

When excavation and unstable materials are encountered _______ should be removed and replaced with what?

A

Granular base

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15
Q

Crushed stone that passes a what inch sieve is suitable for the second layer?

A

3/8 Inch

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16
Q

Under the alignment of the footing, excavate and place a minimum of what inches of sand?

A

2 Inches

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17
Q

Place drainage tile behind the wall, backfill with what?

A

Free-drainage angular backfill

18
Q

Wall failure can often be traced to what?

A

Hydrostatic (Water) Pressure

19
Q

Schedule 40 PVC pipes running completely through the base course of the wall every how many feet?

A

6 to 8 feet

20
Q

Openings in the PVC pipes are called what?

A

Weepholes

21
Q

Supplemental drainage is recommended in any type wall that exceeds how many feet in height?

A

6 to 8 Feet

22
Q

Backfill materials should be placed in lifts, or layers of no more that how many inches before compaction?

A

6 Inches

23
Q

What should be used in order to save a portion of the pavement?

A

Concrete Saw

24
Q

To effectively remove pavement using a jack hammer, what should be used?

A

Breaker Bar to score concrete

25
Q

Start the jack hammer removal by driving shallow indentation, how many inches apart?

A

4 Inches

26
Q

Burial pits should be covered with a minimum of how much soil?

A

5 Feet

27
Q

Healthy, wood plant material can be recycled by using what?

A

Using a chipper

28
Q

Grading is accomplished through a process called what?

A

Cutting and filling

29
Q

How much dirt would not be uncommon for a landscape contractor to move?

A

50 Cubic Yards

30
Q

When considering the grading portion of a project, the decision should be properly match a contractors what?

A

Equipment and capabilities

31
Q

What pieces of equipment would you use on a small site?

A

Skid-steer

32
Q

What kind of equipment is needed on a big job site?

A

Bull dozer or Scraper

33
Q

To complete to finish grading, how many steps of grading does it take?

A

6

34
Q

Another formula for calculating burial depth is to bury the base course how many inches for every foot of wall height?

A

1 Inch

35
Q

Many of the wall materials, particularly the unit wall materials, can be pinned to the subgrade using how long of rebars?

A

24 Inches

36
Q

Where should this 24 inch rebar driven through holes in the material and into what?

A

Base

37
Q

Batter can be built into a wall by tilting the base course slightly backward. How much fall from the front to back?

A

1/4”

38
Q

Standard for step-back range is how many inches for each foot of wall height?

A

1 to 2 inches

39
Q

How many types of anchors and what are they called?

A

3- verticals, deadmen, geogrid

40
Q

While design professionals can design walls of extreme heights, without the benefit of their expertise, the maximum wall height should be what?

A

4 Feet

C-10 Landscape Trade (6 decks)

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