Trades Flashcards

1
Q

Drip edge nail and overlap spacing

A

12” between nails and a 2” overlap

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2
Q

Ice guard has to be how many inches from the outside wall?

A

24”

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3
Q

How many nails per roof tile?

A

1

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4
Q

Astragal stop is what?

A

The middle trim of a French door

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5
Q

What is the minimum number of hinges for external doors?

A

3

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6
Q

How do you determine the swing of a door?

A

Put your back to the hinges and determine which hand opens the door. That is the swing of the door.

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7
Q

What are the egress window requirements?

A
  • Sill height must be 44” or less from the floor
  • At least a 24” high opening
  • At least a 20” wide opening
  • Unblocked open area no less than 5 sq. feet for ground floor and 5.7 square feet for non-ground floor
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8
Q

What are the habitable room window requirements?

A

At least 8% of the square footage of the room in window glass and 1/2 of it must be open to outdoor air

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9
Q

How many studs do you need in the corners?

A

3

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10
Q

What are the wall sheathing nail spacing requirements?

A

6” on the edge and 12” in the field

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11
Q

Are #3 studs okay to use?

A

Yes

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12
Q

What is let in bracing?

A

It is where you notch out the studs and plates to accommodate diagonal braces

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13
Q

When do “I” joists require web stiffeners on both sides?

A

When there is a bearing wall on top of them

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14
Q

What thickness do LVLs normally come in?

A

1 3/4”

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15
Q

What spacing all around should sheathing and sub floor have?

A

1/8”

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16
Q

Saw dust piles indicate what insect?

A

Carpenter ants

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17
Q

Subterranean termites account for what percentage of damage?

A

95%

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18
Q

Lumber is considered green when the moisture content is greater than______%

A

19%

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19
Q

What does “MC” stand for?

A

Moisture Content

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20
Q

What are the characteristics of quarter sawing lumber?

A

It has a low tendency to warp, shrink and swell

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21
Q

What are the characteristics of flat sawing lumber?

A

Produces wider boards but are likely to shrink and warp

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22
Q

What is the maximum back fill around existing trees?

A

1 foot

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23
Q

What part of the tree helps it grow and absorb nutrients?

A

Cambium

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24
Q

For air entrained concrete what type of floats must be used?

A

Aluminum or magnesium

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25
What are the concrete jointing requirements?
Use a 3/4" jointing tool and make the cuts at least 1 1/4" deep or 25% of the concrete thickness
26
When can you edge/joint concrete?
When the sheen has left the concrete
27
What is the second step in finishing concrete once there is no visible water?
Bull Floating
28
What is the first step in finishing concrete?
Screeding
29
What is the minimum basement slab thickness?
3 1/2"
30
How often must you add reinforcement to block walls?
Every other course
31
What must be installed prior to damp proofing block walls?
A cement/sand mixture called parging
32
Are 3 core or 2 core stretcher blocks stronger?
2 core
33
How soon after waterproofing can you back fill?
48 hours
34
What equipment do you use to back fill?
Gradeall
35
What are the wood beam (girder) clearance/requirements for concrete walls?
1/2" on sides and ends 4" minimum bearing Must have an asphalt bearing pad
36
What should you use to strip wood concrete forms instead of metal pry bars?
Wood wedges
37
Where does the base flashing for brick go?
Below the first brick above grade with a 1" gap behind the brick
38
What are the perimeter drain requirements?
4" pipe with sock Rest on 2" of gravel 6" of stone on top 12" of stone out from footing Comes through the footing via a bleeder
39
Do spread footings have keyways?
Yes
40
What is the swell factor for dirt in a dump truck?
30% - 40%
41
What stockpiles topsoil for the future?
Bulldozer or front end loader
42
Dirt that has been dug out is called what?
Spoils
43
What is the compaction for sand?
95%
44
What is the compaction for gravel?
98%
45
What are batter boards used for?
Helping find the corners
46
What is a transit used for?
Measuring horizontal and vertical angles as well as checking for plumb
47
A builder's level is also called a ______?
Dumpy level
48
What do you add to concrete to reduce the impact of impact loads?
Fiber
49
How many inches of concrete need to be around rebar in footings?
3"
50
How many inches of concrete need to be around rebar in walls and slabs?
3/4"
51
What is use to fix horizontal cracks in concrete?
Epoxy
52
What expands when mixed with water and hardens within minutes?
Hydraulic Cement
53
What type or cement is used for residential purposes?
Type 1
54
What is the chemical reaction that occurs when water combines with cement causing heat as it cures?
Hydration
55
How often must pump jacks be anchored to the structure?
Every 10 feet
56
What is the maximum pole height for pump jacks?
30 feet
57
What is the required ladder angle/ratio?
75° or 4 to 1
58
What is the maximum air hose length
100 feet
59
What PSI do standard pneumatic nailers and staplers operate on?
60 - 120 psi
60
What is the most common injury on the job site?
Back injury
61
What does "PASS" stand for
Pull Aim Squeeze Sweep
62
What type of fire extinguisher is required for the job site?
ABC
63
Fuel can designations and requirements
Gas -- RED Diesel -- GREEN Kerosene -- BLUE Over 1 gallon requires a safety can
64
What scale is most common for residential prints?
1/4"
65
How many square feet of habitable space requires an architect?
Anything 3500 square feet or more
66
It is recommended to not use more than what percent of gross monthly income on housing?
25%
67
How many standard bricks make up a square foot?
7
68
What are the standard block dimensions?
8" X 16"
69
How do you calculate slope?
% X Distance e.g. 6% X 25' = 1.5'
70
When estimating drywall for a room do not forget to include the_____?
Ceiling
71
When calculating studs always add _____ for starters.
one stud
72
How do you calculate board feet?
(W * T * L) / 12 --> Starting with Feet (W * T * L) / 144 --> Starting with Inches
73
Unemployment tax is for the first _____.
$7000
74
What is included in FICA tax?
Social Security --> 6.2% Medicare --> 1.4%
75
What is a good quick asset ratio?
1:1
76
What is a good current ratio?
2:1
77
What do balance sheets show?
Assets, liabilities and equity The financial condition of the company
78
What do income statements show?
Net profit or loss
79
How often must you file tax documents?
Quarterly
80
When must you send 1009s for sub?
By January 31st
81
A W-2 Employee is anyone who has _____?
Withholdings taken from their pay
82
What is the minimum business accounting retention requirement?
7 years
83
What is the minimum personal accounting retention requirement?
3 years
84
How do you calculate net worth?
Asssets - Liabilities
85
What are the two depreciation methods?
1. Straight Line 2. Accelerated Balance
86
How does the Accrual Basis accounting method work?
Revenues recorded when earned Expenses recorded when incurred
87
How does the Cash Basis accounting method work?
Revenues recorded when received Expenses recorded when paid
88
For lateral truss bracing you must over lap at least ____ trusses.
two trusses
89
What is the maximum temporary truss bracing length?
20 feet
90
For ground storage, how often must you block trusses?
Every 8 to 10 feet
91
The tolerance for trusses is _____.
1/4"
92
When do you need to use spreader bars for trusses?
When the trusses are over 30 feet and less than 60 feet
93
Concrete reaches 65% - 70% of it's strength after how many days?
7
94
What do you call a short handled bull float for finishing high and low spots in concrete?
A Darby
95
What measures the water to cement ratio for concrete?
The Slump Test
96
Saw cuts in concrete must be within how many hours of pouring?
4 to 12 hours
97
Rebar is measured in 1/8 of an inch. So #5 rebar is _____ diameter.
5/8"
98
Do not drop concrete more than _____ feet while pouring.
5 feet
99
What do you add to concrete when you have to pump it?
Plasticizers
100
What do you add to concrete for severe weather?
5% - 7% air entrainment
101
When you are pumping concrete the most common aggregate is ______.
River Rock
102
Course aggregate is gennerally less than ______.
1/2"
103
Fine aggregate must be smaller than _______.
1/4"
104
What is the most common type of cement?
Type 1
105
What is the restricted zone for masonry walls?
The height of the wall plus 4 feet e.g. an 8 foot wall would be a 12 foot restricted zone (8 + 4 = 12)
106
What is the white powder sometimes found on bricks called?
Efflorescence
107
What is the standard brick size?
3 1/4" X 2 1/4" X 8"
108
What are the most common wall blocks called?
Stretchers
109
What does "CMU" stand for?
Concrete Masonry Unit
110
When the weather is hot mortar beds should be no longer than ______.
4 feet
111
What temperature does it need to be to use mortar?
70°F -100°F
112
What is type "S" mortar used for?
For small amount of flex and used above grade
113
What is type "N" mortar used for?
Above grade
114
What is type "M" mortar used for?
Below grade
115
What is the ideal riser height for stairs?
7”