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Charlie Materials > Construction > Flashcards

Construction Flashcards

1
Q

T/F: Platform construction is the most common

A

True

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2
Q

T/F: First floor joists are completely covered with subflooring

A

True

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3
Q

What are the categories of Lumber

A

Hardwood Softwood Bamboo Palm

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4
Q

What are the grades of lumber

A

Yard Structural Factory/Shop

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5
Q

How is lumber dried

A

air or kiln drying

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6
Q

What are the 3 categories of yard lumber

A

Finished (Graded A-D) Common Boards (Graded 1-5) Common dimensions (graded 1-3)

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7
Q

Structural lumber is graded on what?

A

Density, strength, stiffness

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8
Q

What are the size ranges of plywood

A

1/8” - 1”

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9
Q

What are the standard dimensions of plywood

A

4’x8’

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10
Q

Board Feet of Lumber (BF) = ?

A

Thickness X Width x Length x Number of pieces / 12 or 144 *Use 12 when Length is in feet *Use 144 when Length is in inches

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11
Q

Board Measurement (BM) = ?

A

BF x 1.1 for 2” or thicker thickness wood BF x 1.2 for 1” or less thickness wood

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12
Q

Framing in a word problem means you are using 2” thickness wood (for BM)

A

This is true, just a fact for you to remember

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13
Q

Number of sheets of plywood = ?

A

Area to be covered in square feet divided by 32 square feet

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14
Q

What size nail do you use for framing

A

16 penny

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15
Q

What size nail do you use for sheathing

A

8 penny

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16
Q

What spacing must you have between nails in sheathing

A

4-6”

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17
Q

What size nail do you use on gusset

A

6 penny

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18
Q

What term refers to nail size

A

penny (or d)

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19
Q

What are two ways to connect wood

A

joints and splice

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20
Q

What are two types of joints

A

Butt Lap

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21
Q

What is a splice

A

a connection of two or more boards that continue in a straight line

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22
Q

What are the four types of nails

A

Common Wire Finishing Scaffolding Roofing

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23
Q

What are the size ranges of nails

A

2d thru 60d

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24
Q

How deep should nails penetrate

A

penetrate at least 2/3 into the second board

25
Q

What is the nail formula

A

● Framing or 10d to 60d -Pounds(p) = (d/6)*(BM/100) ● Sheathing use 2d to 8d(or material up to 1”) -Pounds(p) = (d/4)*(BM/100)

26
Q

What is design life

A

how long the building is intended to stand without major repairs done to it

27
Q

What are the three ranges of design life

A

Permanent (25+yrs) Semi- Permanent (5-25yrs) Temporary (0-5yrs)

28
Q

What are the components of the substructure

A

Footer, girder, joist, subfloor

29
Q

What is the maximum distance wood footers would be placed apart

A

10’

30
Q

How are girders made

A

Three laminated pieces lumber running the length of the building

31
Q

Joists run which direction along the building

A

Run the width of building

32
Q

What is the spacing between joists

A

16” on center

33
Q

What are the size of splices which connect joists

A

24” in length and cover both sides of the joint

34
Q

Which direction does the first course of the subfloor (ply) run relative to the joist

A

Perpendicular to the joist

35
Q

What parts does the super structure consist of

A

● Wall Panels ● Roof

36
Q

What are the two types of wall panels

A

End panels Side panels

37
Q
A
  1. Hanger
  2. Long Web
  3. Short Web
  4. Gusset
  5. Bottom Chord
  6. Top Chord
  7. Heel Point
  8. 1/3 Point
  9. 1/4 Point
  10. Peak point
38
Q
A
  1. Sole
  2. Stud
  3. Jack
  4. King
  5. Header
  6. Sill
  7. Cripple
  8. Girts
  9. Top plate
  10. Double top plate
39
Q

What is the spacing of cripplers

A

16”

40
Q

What is the spacing of studs

A

16” or 24” on center

41
Q

What are the 4 styles of roofs

A

● Gable
● Lean-to
● Hip
● Gable and valley

42
Q

A truss is made of how many rafters

A

2

43
Q

Each rafter spans ________ of the width of the builing

A

half

44
Q

T/F: Gusset plates are used on both sides of the truss joints, except the gable ends

A

True

45
Q

What are truss spacings

A

trusses are spaced 24”on center

46
Q

As trusses are set what are you doing

A

● Centered
● Plumbed

● Braced

47
Q

What are the methods of attaching roofing

A

● Fascia Boards

● Purloins
● Sheathing
● combination

48
Q

What are the two types of staircases

A

Boxed

Stringer

49
Q

How high should risers on staircases be?

A

7-9”

50
Q

How wide should tread’s on staircases be

A

8-11”

51
Q

What are the parts of stringer stairs?

A

Riser, Tread, Stringer, Mud sill, ledger

52
Q

What force should handrails be able to take

A

200 lbs

53
Q

Stairways with ______ or more risers, or higher than _______, must be equipped with at least one handrail.

A

four, 30 inches

54
Q

Stairways landings must be at least ______ deep and _______ wide at every _____ or less of vertical rise

A

30 inches, 22 inches, 12 feet

55
Q

Stairs should rise between _____ and _____ degrees.

A

30, 50

56
Q

There must be less than _______ inch variation between steps

A

1/4”

57
Q

Where doors or gates open directly on a stairway, provide a platform that extends at least _______ beyond the swing of the door.

A

20 inches

58
Q
A

Charlie Materials (40 decks)

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