Notes

Question 1

What is the maximum depth that a 2 x 12 wood joist can be notched out if it is in the span of the beam?

Answer 1

1/6 of the depth, therefore nominally 2”

Question 2

What is the maximum depth that wood members can be notched out at their supports?

Answer 2

1/4 its depth

Question 3

What is the most common type of steel used in steel structures?

Answer 3

A-572 aka Grade 50

Question 4

In ASD (allowable stress design) what is the max percentage of load allowed for compression tension, and shear for grade A-36

Answer 4

60% or 22 ksi for tension and compression

40% or 14.2 ksi for shear

Question 5

What is A Level Soil? and what is its bearing capacity?

Answer 5

Topsoil, 1000 psf - 4000 psf

Question 6

What is B Level Soil, and what is its bearing capacity?

Answer 6

Minerals, 2000 psf - 3000 psf

Question 7

What is C Level Soil, and what is its bearing capacity?

Answer 7

Partially weathered / fractured rock, 3000 psf - 12000 psf

Question 8

What is D level Soil, and what is its bearing capacity?

Answer 8

Bedrock, +10,000 psf

Question 9

What is alluvium?

Answer 9

soil, sand or mud that is deposited by flowing water

Question 10

What is Loam?

Answer 10

Rich soil that is primarily made up of organics.

Question 11

In a slump test what is the range that concrete slumps?

Answer 11

Typically from 1 to 6 inches one being good and six being bad

Question 12

What is the minimum load at any point that a guardrail must withstand.

Answer 12

250 Pounds

Question 13

Name the Occupancy Categories based on the IBC classification of buildings for importance factors

Answer 13

Category I:
Category II:
Category III:
Category IV:

Question 14

Category IV:

Answer 14

• Hospitals with surgery or emergency treatment facilities
• fire, rescue, and police stations, and emergency vehicle garages
• designated emergency shelters (hurricane, earthquake and other)
• aviation control towers, air traffic control centers and emergency aircraft hangers
• structures with highly toxic materials
• structures having critical national defense functions
• water treatment facilities that must maintain a pressure for fire defense functions
• public utility facilities required to have emergency backup.

Question 15

Category III:

Answer 15

Buildings and other structures that represent a substantial hazard to human life in the event of failure, but not limited to (more than -300 ppl congregated in one area,

• elementary and secondary schools and day cares with more than 250 ppl
• more than 500 people occupying a college or adult edu facility
• Healthcare with more than 50 resident patients, no surgery or emergency treatment
• jails & detention facilities
• power generating stations, water treatment for potable water, waste water treatment, and other public utilities
• any occupant load great than 5,000 ppl
• any other toxic or explosive substance storage facility that does not exceed minimum storage requirements

Question 16

Category II:

Answer 16

Buildings and other structures other than those listed in Categories I, III, IV

Question 17

Category I

Answer 17

Buildings and other structures that represent a low hazard to human life in the even of failure including but not limited to: agricultural facilities, temp facilities, minor storage facilities