Socrative Occupational Skills Test Flashcards

1
Q

1.When a ladder is placed against a 22’ (6.7m) high working platform, how far out from the
bottom should the ladder be placed?

A

The range in Ontario is 1:3-1:4, but 1:4 is more common across Canada

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2
Q

2.
What safety device is used to hold long stock against the
fence while ripping on the table saw?

A

Feather board

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3
Q
  1. To assure that a rectangular building is square, what is the diagonal measurement of the
    building if its dimensions are 34’ 6” x 46’
A

57’ 6” (17.525m)

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4
Q

4.

What is the name given to wood frames to which string lines are secured to layout the building?

A

Batter boards

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5
Q

5.

What are the three types of grade rods used for suveying and layout?

A

Architects’, Engineers’, and Metric

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6
Q

6.If the elevation at the curb is 100.34’ (30.582m) and a 125’ (38.098m) driveway has a 5%
grade, what would the elevation be at the house?

A

106.59’

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7
Q

7.

What is the distance between from the propety line and the building known as?

A

Set back

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8
Q

8.

What should be installed on all open sides of scaffolds over 8’ 2.4m) high?

A

Guardrails

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9
Q

9.

What is the main difference between a transit level and a builder’s level?

A

The transit can be used to measure vetical angles.

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10
Q

10.What is the difference between 100 linear feet of 2 x 12 and 100 board feet?

A

100 Board feet

Board feet o Thickness(in inches)X Depth(in inches)X Length(in linear feet)]÷ 12
= 2” X 12” X 100 linear feet)÷ 12 = 200 Board Feet
Difference = 200 Board Feet - 100 Board Feet = 100 Board Feet

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11
Q
  1. What is the crane operators reaction to the following hand signal?

Thumbs up

A

Boom up

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12
Q
  1. What is the missing angle?
A

20° 21’ 16”

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13
Q

13.

What knot creates a non slip loop in the end of the rope?

A

Bowline

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14
Q

14.
When the Hypotenuse of a ight angle tiangle is 40, and its height is
32’, what is the length of the base?

A

24’

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15
Q
  1. A heavy machine requires a circular concrete base that is 13’ in
    diameter. What is the surface area of the base?
A

132.73 ft2

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16
Q

16.

What is the purpose of a snatch block?

A

to change direction of pull

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17
Q

17.

What is the crane operators reaction to the following hand signal?

A

Stop

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18
Q

18.

What is the maximum size boulder that can be used in backfill for an excavation?

A

250mnm

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19
Q

19.
How deep should a trench be before you need to provide a ladder to enter or have the sides
sloped?

A

4’

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20
Q

20.

What does the following WHMIS symbol represent?

A

Compressed gas

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21
Q

21.

How far beyond the face of the chimney wall must a chimney cap project?

A

25mm

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22
Q

22.
On a builders level with four thumb levelling screws, which direction would you tun the thumb
screws to move the bubble in the vial to the left?

A

turn the screws outward

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23
Q

23.

What must castors for steel frame scaffolding have?

A

Working Brakes

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24
Q

24.

What is the minimum depth below grade for a foundation on clay soil?

A

1.2m

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25
Q

25.
What would be the minimum length of ladder that could safely be used when the height of the
building is 23’?

A

30’

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26
Q

26.
When corbelling for masonry veneer, what is the
maximum distance beyond the support that a 4” thick brick can project?

A

25mm

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27
Q

27.

Ladders are required to extend how far above working platforms or landings?

A

0.9M

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28
Q
  1. Any worker in danger of falling ____m must wear fall protection
A

3M

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29
Q

29.
What is the chemical process through which cement hardens when water is added to mixed
concrete?

A

Hydration

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30
Q
  1. What would the wire rope have to be rated for in order to lift the following?
    Worker = 210 lbs.
    Tools = 175 lbs.
    Material = 225 lbs.
A

6100 lbs. SF

OHSA Cables, Slings, Rigging
Strength
169. A cable used by a crane or similar hoisting device shall be capable of suppoting at least,
(d) Ten times the maximum load to which it is likely to be subjected if the crane or similar hoisting device
is used for supporting persons. O. Reg. 213/91, s. 169.

210lbs + 175lbs + 225lbs = 610lbs ×(10)
= 6100 lbs. SF

12’6 1/2”

Referring to the highlighted area, we can see that the two spans for our W8X20
beam are 13’7” and 11’6” (wall thicknesses can be ignored):
according to the footnotes from the beam tables in the Building code: “3
Supported length means half the sum of the joists spans on both sides of the beam”
Therefore:
Supported joist length =

=(13’ - 7” + 11’ 6”) / 2
=(13.5833333’+11.5’) / 2
= 12.5416666
= 12’ 6.5”

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31
Q

31.

How is a hidden line shown on a set of plans?

A

Series of short dashes

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32
Q

32.
In laying out a 24 x 35 rectangle, what are the largest measurements of 345 you could have
without going outside your working area?

A

24-32-40

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33
Q

33.

Where is the “D” ring supposed to be located on your full body harness?

A

In between your shoulder blades

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34
Q

34.
A tube & clamp scaffold has had one of it’s 2” X 10” mudsills undemined by heavy rain. How
should the scaffold be stabilized?

A

Remove loosened ground and excavate to level, extend scaffold down to new elevation

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35
Q

35.
Three mirrors are mounted on a wall as shown. What is distance
eq.?

A

1’ - 10”

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36
Q

36.

Carpenters utilize a circular saw and a _______ cut to remove material from the center of a form.

A

Plunge

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37
Q

37.

Who shall supervise the erection, alteration, and dismantling of a scaffold?

A

Competent worker

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38
Q

Which of the following is recommended for joining two ropes of similar diameter?

A

Square knot

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39
Q

A carpenter is asked to raise a form 2% higher than its existing elevation of 35.25’ (10.74 m).
What would the new elevation of the form be?

A

35.955’ (10.96m)

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40
Q

40.
What is the minimum clearance required above the fireplace for a projecting 50mm X 250mm X
1500mm oak mantle?

A

300mm

41
Q
  1. What simple tool is used to layout bevel siding?
A

Story pole

42
Q
  1. The B.M. is 106.42’, the H.I. is 111.89’ and the F.S. is 3.89’. What is the new elevation?
A

108.00’

New elevation= Height of instrument (H.I.) - Foresight (F.S.)
= 111.89’ - 3.89’ = 108.00’

43
Q

43.

What are the horizontal load bearing members on a tube and clamp scaffold known as?

A

Transoms

44
Q

44.

A footing form will require 6.5 cubic yards of concrete. How many cubic feet is this?

A

175.5 ft3

45
Q

45.

What is the maximum moisture content allowed for construction grade lumber by code?

A

19%

46
Q

46.

When using a forklift, what must you know about the load before picking it?

A

Weight, dimensions, center of gravity

47
Q

47.

What does the following WHMIS symbol represent?

A

C. Corrosive materials

48
Q
  1. An excavation for a 12” deep footing has been flooded by 6” of water for several days. What
    needs to be done in order to place concrete?
A

Pump out the water, excavate mud to undisturbed soil.

The footings and foundation walls were designed based on the bearing capacity of the undisturbed soil
at the bottom of the excavation. As soon as the soil was saturated with water it’s bearing capacity was
reduced. Unless the mud is removed after pumping out the water, the building will sink/ shift
unpredictably and possibly fail structurally.

49
Q

49.

What is the minimum distance a treatment unit (septic tank) may be located from the building?

A

1.5m

50
Q

50 .When passing a board through a thickness planer a bun mark appears in a straight line across
the width of the board. What would cause this?

A

The material hesitated and the cutter head is tuning in one spot.

51
Q
  1. Which of the following is NOT a proper procedure when cutting with a bandsaw?
A

Adjust the guides while operating the saw.

52
Q
  1. To prevent excessive checking, scaffold planks should:.
A

Have their ends banded with steel.

53
Q
  1. When applying laminate to a countertop:
A

Apply the side edges first.

54
Q
  1. Adjust the guides while operating the saw.
A

3.354’

55
Q

55.

Convert 6.875’ to feet, inches and fractions of an inch.

A

6’ 10 ½”

56
Q
  1. Which of the following knots is best for safely shortening a rope?
A

sheepshank

57
Q

57.
What diagonal dimension would you need to use to verify that a
building measuring 45’ X 27’ is square?

A

52’ 5 3/4”

58
Q
  1. The main floor of a house has 13 interior doors and 2 exterior doors. Allowing 7’ for side
    casings and 3’ for head casings, how many linear feet of material would you need to tim these
    doors?
A

476’

For inteior doors, we will need to multiply our total by 2, because we will be timming both sides. For
exteior doors we only install the casing on the inside:
First calculate your total number of sets of casing:
13 inteior doors X 2 sets per door) + exteior doors(inside only)= 26 + 2
= 28 sets
Next, calculate how many linear feet you will require for each set:
3’ + 7’ + 7’= 17’ per set
Finally, multiply the number of sets by the linear feet per set to determine your total linear feet:
28sets X 17feet/set= 476’

59
Q
  1. How many cubic yards of concrete is needed to build a silo with
    the following specifications?

Inner radius= 72’7”
Outer radius= 74’3”
Height= 125’

A

3,5589 yd³

First, convent your measurements into decimal feet:
inner radius= 72’7” = 72.58333333’
outer radius= 74.25’
Next, add your outer radius to your inner radius and divide your
answer by 2 to determine the measurement from center of silo to the
center line of the curved wall:
72.58333334q74.25’ = 146.8333334’ t2 = 73.41666667
Next, take your new measurement and use it to find the
circumference of the silo(the length of the wall in linear feet):
Co 2pr = 23.141673.41666667’)= 461.2916’
Next, determine your wall thickness, and multiply it by your length
and height to determine your volume in cubic feet:
Length = 461.2916’
Thickness = 74’372’7 = 20” ÷ 12 inches/foot = 1.666667’
Height = 125’
Volume = 461.2916’ X 1.666667’ X 125’ = 96,102.41666667 ft³
Finally, divide your cubic foot total by 27 to convert it into cubic
yards:
Volume = 96,102.41666667 ft³ ÷ 27 = 3,559.348765 yd³

60
Q

60.

Cove moulding can be shaped on a table saw by feeding the stock:

A

At approximately 45° to the blade

61
Q

61.

Add 1.125” and 3.375”, and convet into inches and fractions of an inch.

A

4 1/2”

62
Q
  1. A building is 35 yards tall, how many feet tall is it?
A

To convent from yards to feet, take your quantity in yards and multiply it by 3
35 yd. X 3 ft./yd. = 105’

63
Q
  1. Referring to “Wall Section A”, what is the distance from finished grade to
    the top of the concrete slab?
A

6’10”

If you refer to the drawing, you can find three key measurements:
Distance from top of footing to top of foundation wall= 7’4”
Distance from finished grade to top of foundation wall = 2”
Thickness of basement slab= 4”
Because the slab sits on top of the footing and the measurement in
question doesn’t include the amount that the wall stick out above
grade, both measurements need to be deducted from the overall
dimension:
Distance from finished grade to top of concrete slab =
7’4” - 2” - 4” = 6’10”

64
Q

Referring to “Wall Section A”, how many nails (and at what length) would
you need to use at the connection between the 2X6’s and 2X8’s?

A

3 nails, 76mm long

65
Q

Referring to “Wall Section A”, what is the height from sub-floor to
finished ceiling in the second storey if you are using 5/8” drywall?

A

7’ - 6 5/8”

66
Q
  1. Referring to “Wall Section A”, what is the actual distance of the
    cantilevered floor frame?
A

24”

67
Q
  1. Referring to “Wall Section A”, to what elevation would you excavate for
    your basement if finished grade
    elevation is 729’ - 3 5/8”
A

721’ - 9 5/8”

To determine the depth of our excavation, we must take the total
height of our wall (7’4”), deduct the distance the wall projects above
finished grade (2”), and add the additional depth required for the
layer of gravel that is laid below the slab:
Depth of excavation = 7’4” - 2” + 4” = 7’6” = 7.5’
Next, you can either keep your measurements in feet and inches and
subtract them from your total:
729’3 5/8” - 7’6” = 728’15 5/8” - 7’6” = 721’9 5/8”
Or, you can also convent to decimal feet, subtract your distance and
convent back to feet, inches and fractions of an inch:
5t8 = 0.625” + 3” = 3.625” ÷ 12 inches/foot
= 0.3020833’ + 729’ = 729.30208333’
729.30208333’ - 7.5’ = 721.80208333’
721.80208333 - 721 = 0.80208333 X 12 = 9.625 - 9
= 0.625” X 16 = 10/16 = 5/8
= 721’ - 9 5/8”

68
Q

Referring to “Wall Section A”, what type of material could be used for
building paper according to the building code?

A

No. 15 asphalt-saturated felt laid in two plies lapped 480 mm and
cemented together with lap cement.

69
Q
  1. Referring to “Wall Section A”, the 10” thick drops are included for:
A

Aesthetics

Looking at the section, we can see that the cantilevered section of the floor gets its stuctural support
from being incorporated into the second floor framing. The support is provided by the full floor system
and diagonal bracing is not required. We can also rule out the possibility of it being a tie in for the bricks,
as it sits above the bricks and is tied into the wood sheathing that overlaps the bricks slightly. If you look
at the brick section you can see that ties un from the sheathing behind the bricks through the veneer
every 5th course.

70
Q

71.
Referrring to “Wall Section A”, what additional measures must be taken to
provide adequate foundation drainage to the structure?

A

Cover the top and sides of the 4” perforated plastic pipe with at least
150mm of crushed stone.

71
Q

72.

Referring to “Wall Section A”, what is the R-value of the attic insulation?

A

R - 22

72
Q

73.
Referring to “Wall Section A”, what is the metic equivalent of your
ceiling joist dimension?

A

38mm X 184mm

73
Q

74.
Referring to “Wall Section A”, what would the minimum thickness be for
your subfloor material if you used grade O2 oriented strand board?

A

15.5mm

74
Q

75.

Referring to “Plan B”, what size door is used for the linen closets?

A

1’6” X 6’8”

75
Q
  1. Referring to “Plan B”, at least one window in PATRICIA’S BR must provide
    an unobstructed opening of not less than:
A

0.35 m²

Key words: Bedrooms, egress from
9.9.10. Egress from Bedrooms
9.9.10.1. Egress Windows or Doors for Bedrooms
(1)Except where a door on the same floor level as the bedroom provides direct access to the exteior,
every floor level containing a bedroom in a suite shall be provided with at least one outside window that,
(a) is openable from the inside without the use of tools,
(b) provides an individual, unobstructed open potion having a minimum area of 0.35 m² with no
dimension less than 380 mm, and…

76
Q
  1. Referring to “Plan B”, the length of the STUDY is:
A

14’ - 9”

The total room length is given, but there aren’t dimension lines to full
identify it. However, if you take the four dimensions listed in line from one
wall to the other and add them, you should come to the same dimension:

3’ 5”+ 3’5” + 4’6” + 3’5”= 14’ - 9”

77
Q
  1. Referring to “Plan B”, you need to reduce the hallway leading to RICKY’S
    BR. What is the minimum unobstructed width you can reduce the
    hallway to?
A

860 mm

Key words: Hallways, hallway width
9.5.10. Hallways
9.5.10.1. Hallway Width
(1)The unobstructed width of a hallway within a
dwelling unit shall be not less than 860 mm, except that the
hallway width is permitted to be 710 mm, where,
(a) there are only bedrooms and bathrooms at the end of
the hallway furthest from the living area, and
(b) a second exit is provided,
Note: No second exit provided.

78
Q
  1. Referring to “Plan B”, what type of plan is this?
A

2nd floor plan

Only the structure is shown, so it can’t be a site plan.
No foundation is shown and the garage roof is shown, so it can’t be the basement plan.
There aren’t any exterior doors, so it isn’t our first floor plan.
Therefore, it must be our 2nd floor plan.

79
Q
  1. Referring to “Plan B”, how much clearance is required between the

STUDY wall wood framing and the masonry chimney?

A

50 mm

Key words: Framing, materials, clearance from masonry or concrete chimneys
Section 9.21. Masonry and Concrete Chimneys and Flues
9.21.5.1. Clearance from Combustible Materials
(1) The clearance between masonry or concrete
chimneys and combustible framing material shall be not less
than,
(a) 50 mm for interior chimneys, and
(b) 12 mm for exterior chimneys.

80
Q
  1. Referring to “Plan C”, how many cubic feet of concrete would you need
    for your column footings?
A

20 ft.³

Referring to the note next to the column in the RECREATION, we can see that our
footings have the following dimensions:
Width= 2’
Length= 2’
Depth= 1’
First, determine the volume of a single footing:
Volume = Width X Length X Depth = 2’ X 2’ X 1’ = 4 ft³
Next, multiply the volume of a single footing by the total number of footings:
4 ft³/footing X 5 footings = 20 ft³

81
Q
  1. Referring to “Plan C”, if you used unreinforced 10” concrete block in place
    of the poured concrete for your foundation wall, what would the
    maximum allowable height of finished ground above basement floor be
    (foundation wall is laterally supported at the top)?
A

1.8 m

Foundation walls
9.15.4.2. Foundation Wall Thickness and Required Lateral Support
(1) Except as required in Sentence (2), the thickness of foundation walls
made of unreinforced concrete block or solid concrete and subject to lateral
earth pressure shall conform to Table 9.15.4.2.A. for walls not exceeding 3.0m
in unsupported height.

82
Q
  1. Referring to “Plan C”, what room is the floor drain in?
A

Shop

83
Q
  1. Referring to “Plan C”, what is the dimension of distance “Z”?
A

48’ - 9”

Looking at the highlighted area that is inside the building footprint, we can see that
dimension “Z” goes from the center of one 10” common wall to the center of
another 10” exterior wall at the top of the drawing. We can also see from the other
highlighted area that the overall length of the building is 62’7”.
To determine
distance “Z”, we can do the following:
First, we take the width of our excavated area (12’ - 2”) and add two wall thicknesses
(1 thickness on either side of the excavated area):
12’ 2 + (10” X 2) = 12’ - 2” + 20” = 13’ -10”

Next, we can subtract our new dimension from the overall length of our building to
determine our distance from the outside face of the common wall to the outside
face of the exterior wall:
Z = (62’ - 7”) - (13’-10”) = 61’19” - 13’10” = 48’9”
Although this measurement represents the distance from the inside face of our
common wall to the outside face of our exterior wall, the measurement of “Z” will be
the same value because both walls are the same thickness and offset one another.

84
Q
  1. Referring to “Plan C”, what is the supported joist length for the W8X20
    beam in the GAME ROOM?
A

12’ - 6 1/2”

85
Q
  1. Referring to “Plan C”, how many pilasters are there?
A

5

86
Q
  1. What is the minimum clearance required above a fireplace for a projecting 50 mm X 250 mm X
    1,500 mm oak mantle shelf?
A

300

Section 9.22. Fireplaces
9.22.9. Clearance of Combustible Material
9.22.9.1. Clearance to the Fireplace Opening
(1)Combustible material shall not be placed on or near the face of a fireplace within 150 mm of the
fireplace opening, except that where the combustible material projects more than 38 mm out from the
face of the fireplace above
the opening, such material shall be at least 300 mm above the top of the opening.

87
Q

88.What are the three parts of a knot?

A

Standing part, bight, and running end.

88
Q

89.What is the minimum safe distance you must maintain from a 125,000 volt powerline while
working?

A

3 m

OHSA: Proximity to electrical conductors
188. (1) This section applies unless the conditions set out in the
clauses 189 (a) and (b) are satisfied. O.Reg. 627/05,s.7.

89
Q

90.At what height does a system scaffold need to have an engineered drawing?

A

10 m

OHSA: Scaffold design, installation
130. (1) A scaffold shall be designed by a professional engineer and shall be erected in accordance with
the design if the scaffold exceeds,
(a) fifteen meters in height above its base support; or
(b) ten meters in height above its base support if the scaffold is
constructed of a tube and clamp system. O.Reg. 213/91, s. 130 (1)
Note: (a) applies to system scaffolds and (b) applies to tube and clamp scaffolds.

90
Q
  1. An angle greater than 90° but less than 180° is called:
A

Obtuse

91
Q
  1. A sheet of plywood has 5 equal layers (ply’s). What is the thickness of each layer if the overall
    thickness is 0.019 m?
A

0.0038 m

To find the thickness of each layer, take your overall thickness and divide it by the number of layers:
0.019 m ÷ 5 layers = 0.0038 m/layer

92
Q
  1. An apprentice cuts a piece of stock into 4 pieces. The lengths are 3 3/8”, 2 7/6”, 4 1/2”, and 1 1/4”.
    If 1/8” is used up for each saw kerf, what is the original length of the board?
A

11 15/16”

To create four pieces, we will need to make three saw cuts (see
drawing). Therefore, to determine the overall piece of material we
stated with we need to convent our four lengths of material into
decimal inches, and add them to the decimal inch equivalent of three
saw kerfs ( 3cuts X 1/8 inch/cut = 3/8”):

Original length of material 
= 3 3/8 + 2 7/16"+ 4 1/2" + 1 1/4"+ 3/8"
= 3.375" + 2.4375" + 4.5" + 1.25" + 0.375"
= 11.9375"
 =  11  15/16"
93
Q
  1. How many square yards of drywall would you need to cover a wall measuring 22’0” X 9’0”?
A

22 yd²

First, calculate your wall area in square feet:
22’ X 9’ = 198 ft²
Then, divide your area by the number of square feet in a square yard:
1 yd² = 3’ X 3’ = 9 ft²
area in square yards = 198 ft² ÷ 9 ft²/yd² = 22 yd²

94
Q

95.

How much weight is a heavy duty scaffold rated for?

A

75 lbs./ft²

95
Q
  1. How many cubic inches of wood chips are there in a tank containing 15 cubic feet of them?
A

25,920 in³

First, we must determine the number of cubic inches in a cubic foot:
looking at the drawing, we can see that a cubic foot is 12” long, 12” wide, and 12” high:
volume in cubic inches in a cubic foot = 12” X 12” X 12” = 1,728 in³/ft³
Next, we need to multiply our total in cubic feet by the number of cubic inches in a cubic foot:
15 ft³ X 1,728 in³/ft³ = 25,920 in³

96
Q
  1. What is the purpose of dimple board membrane?
A

Answer: To provide a drainage later for foundation walls below grade.

97
Q
  1. What is the main purpose of installing coarse gravel under concrete slabs?
A

To mitigate the effects of capillary action

98
Q
  1. What is the maximum size of structure that can be built under pat 9 of the building code?
A

A
3 storeys and A 600 m² per floor.

Key words: Pat 9
Section 9.1. General
9.1.1. Application
9.1.1.1. Scope
1 The scope of this Pat shall be as described in
Subsection 1.1.2. of Division A.
1.1.2.4. Application of Pat 9
1 Subject to Aticles 1.1.2.6. and 1.3.1.2., Pat 9 of
Division B applies to all buildings,
(a) of three or fewer storeys in building height,
(b) having a building area not exceeding 600 m2
, and
(c) used for major occupancies classified as,
(i) Group C, residential occupancies,
(ii) Group D, business and personal services
occupancies,
(iii) Group E, mercantile occupancies, or
(iv) Group F, Divisions 2 and 3, medium hazard
industrial occupancies and low hazard
industrial occupancies

99
Q
  1. Who typically prepares shop drawings?
A

Suppliers for the architect