PRAC DEFINITIONS

Question 1

Common Path of Travel definition

Answer 1

The portion of the exit access that must be traversed before two separate and distinct paths of travel to two exits are available. Common path of egress travel shall be included within the permitted travel distance.

Question 2

Travel Distance definition

Answer 2

The distance measured from the most remote point within a story to the entrance to an exit along the natural and unobstructed path of egress travel

Question 3

Demising partitions between tenant spaces must be WHAT fire rating?

Answer 3

1-hour fire rated

Question 4

Partitions along a public corridor must be WHAT fire rating?

Answer 4

1-hour fire rated

Question 5

Partitions that demise an Assembly Occupancy of 750Sf or greater must be…

Answer 5

1-hour fire rated

Question 6

Door assemblies in a 1-hour fire rated partition must have what? (rating and hardware)

Answer 6

Must be 20 minute rated and be self-closing.

Question 7

Where must audio/visual fire signal devices be located?

Answer 7

Restrooms, hallways, lobbies, and general assemblies

Question 8

An audio/visual fire signal device must be visible from where in a room?

Answer 8

Must be visible from any location in a room

Question 9

What mounting height is required for an audio/visual fire signal device? Provide a range

Answer 9

Between 6’-8” to 7’-6” AFF

Question 10

The minimum number of fire extinguishers must be calculated based on (1) extinguisher per X SF

Answer 10

1 extinguisher per 3000 SF

Question 11

Fire extinguishers must be located no more than X SF from the furthest occupant.

Answer 11

75 SF

Question 12

Smoke and heat detector coverage must include which spaces

Answer 12

Al rooms, corridors, storage areas and spaces above suspended ceiling

Question 13

The means of egress must have a ceiling height not less than X

Answer 13

7’-6”H

Question 14

Protruding objects must not

Answer 14

reduce the minimum clear width of accessible routes

Question 15

All objects located on a wall between 27”-80” must not

Answer 15

Protrude more than 4” into an egress path of travel

Question 16

Exit signs with a directional indicator showing the direction of travel shall be placed where?

Answer 16

Every location where the direction of travel to reach the nearest exit is not apparent

Question 17

All paths of travel must be accessible (barrier-free) and provide, at a minimum, X” at changes of travel direction

Answer 17

60” turn radius

Question 18

Common path of travel distance must not exceed X’

Answer 18

75’

Question 19

The travel distance must not exceed X’ measured along the path of travel

Answer 19

250’

Question 20

Height of doors must not be less than

Answer 20

7’-0”

Question 21

Where a pair of doors is required, one of the doors must be not less than X wide

Answer 21

36”W

Question 22

Doors opening from occupied spaces into the path of egress travel shall not project more than X into the required width

Answer 22

7”

Question 23

Exit access doorways must open in what direction

Answer 23

Direction of travel

Question 24

(2) exit access doorways must be provided from any space where the occupant load

Answer 24

exceeds 49 in occupancy groups A, B, and M

Question 25

Where is slip resistant floor material most important?

Answer 25

Slip resistance is most important in areas where grease and/or water could be present to ensure that occupants do not slip, fall and injure themselves. Tile, terrazzo, stone and other smooth surfaces can be potentially dangerous, especially when wet or covered with grease.

Question 26

What is the push / pull clearance on doors?

Answer 26

18” pull / 12” push (for all doors in NCIDQ)

Question 27

What areas require exhaust fans for proper ventilation?

Answer 27

Per 1202.5.2.1, Bathrooms - all rooms with bathtubs, showers, spas, and similar fixtures must have mechanical ventilation.

Question 28

Identify minimum handrail extension at stair landings, both bottom and top of stairs.

Answer 28

Refer to Section 505.10 Handrail Extensions.

At the top of a flight of stairs, handrails must extend horizontally above the landing for a minimum of 12” beginning directly above the landing nosing.

At the bottom of a flight of stairs, handrails must extend at the slope of the stair flight for a horizontal distance of one tread depth beyond the bottom tread nosing. Extensions must return to a wall, guard, or the landing surface, or be continuous to the handrail of an adjacent stair flight.

Question 29

Where should smoke alarms be installed in a residential application?

Answer 29

Install at least 10ft from cooking appliances. Install smoke alarms in each bedroom, outside each sleeping area, and at least 3’ away from the door to bathrooms with a tub or shower.

Refer to F907.2.10.3 and F907.2.10.4

Question 30

Locate smoke / heat detectors where required by code in a residence.

Answer 30

Refer to IBC 2018 Section 907 Fire Alarm and Detection Systems

Alarms need to be located in each bedroom and in the hall outside each bedroom.

So basically ONLY bedrooms for detectors. This is different than smoke alarms.

Question 31

Which receptacles in bedrooms must have an Arc-Fault Circuit-Interrupter (AFCI) Protection?

Answer 31

Per NFPA 70 210.12(A), AFCI Protection is required in dwelling unit kitchens, family rooms, dining rooms, living / parlor / library rooms, bedrooms, sunrooms, rec rooms, closets, hallways, laundry, and similar areas.

USB Outlets do not require AFCI unless paired with an outlet of normal voltage/amperage.

Question 32

Define the common path of egress travel

Answer 32

the portion of the exit access travel distance is measured from the most remote point of each room, area, or space to that point where the occupants have separate and distinct access to two exits or exit access doorways.

Question 33

What is the clear width at 180 Degree turn?

Answer 33

You must show the width a minimum of 42” approaching the turn with 48”min during the turn. Refer to 404.2.3 maneuvering clearances.

Question 34

What is required spacing for electrical outlets in a residence?

Answer 34

Per Electrical Code, outlets should be located so that no point along the floor line is more than 6’ from an outlet. The location of USB does not negate the need for spacing. But there must be 12’ between all outlets.

So basically 6’ is the minimum when located on a corner and/or a wall adjacent with an outlet.

Question 35

Where may 240V outlets be required in a residence?

Answer 35

Dishwasher, range, washer, dryer, hot water heater, and air handler unit all may require 240V.

Note that refrigerator is not included.

Pay attention to the programming; if an appliance is gas-powered, it will usually require 120V.

Question 36

What is a dead load

Answer 36

dead loads are usually permanent, non-movable loads. Examples are the weight of the building, including the floor, pillars, or roofing structure

Question 37

What is a gravity load

Answer 37

Loads that exert their force downwards, like gravity

Question 38

What is a live load

Answer 38

Loads that are non-permanent, movable loads, such as people, furniture, and equipment (like a dense filing system), and other more specific types such as lateral and dynamic loads

Question 39

What is a lateral load

Answer 39

Loads that exert force from natural occurrences, like wind and earthquakes (seismic), or even explosions. These usually exert force in more directions than downwards.

Question 40

What is a dynamic load

Answer 40

Loads created from impacts include moving/stopping elevators, snow loads, or a car driving across a bridge. The difference is that these forces change more quickly than static or other types of live loads

Question 41

Typical stud distance (on center) for residential

Answer 41

16” OC

Question 42

Typical stud distance (on center) for commercial

Answer 42

24” OC

Question 43

What is the correct description of a “trimmer”?

Answer 43

A wood member in a floor or roof used to support a header