CODES, ADA Flashcards
(82 cards)
1
Q
determine occupancy IBC chapter
A
Chapter 3: Use and Occupancy Classification
2
Q
Mixed Occupancies IBC chapter and separation
A
chapter 508 must be separated by a fire barrier (1-4h), When unseparated, more stringent occupancy applies.
3
Q
accessory occupancy size and separation
A
f.e. gift shop in hospital. can not exceed 10% of floor areas story its located in. (less than a 100 sf for storage) no fire separation needed (unless group H, I1, R1-3 dwelling and sleeping units need to separated with fire partitions).
4
Q
Incidental use, size and separation
A
F.e. mech rooms. Ancillary to main occupancy with higher risk level. Can’t exceed 10% of story must be sprinklered and fire separated.
5
Q
identify threshold and fire areas IBC chapter
A
Table 601 and 602 in the IBC
6
Q
Fire suppression system are depending on? (3)
A
Fire area of building
Where occupancy is located in building
Number of occupants
7
Q
Fire partition
A
Wall assembly with 1h rating. Must provide continuous barrier. From floor to underside of structure, or to rated ceiling. Openings in fire partitions must have 45min minimum rating, except corridors 20min.
8
Q
Fire barrier
A
Vertical or horizontal assembly, that is fire-resistance rated, designed to restrict the spread of fire and smoke, and afford safe passage for protected egress. Continuous from floor to slab. Used to separate occupancies, enclose vertical exits and passageways. Rating greater than 1 hour, openings 45minto 3h, depending on barrier itself. Openings 25% of walll max, not to exceed 156 ft2.
9
Q
Fire wall
A
rated wall that separates structure into separate construction. 2-4h ratings, extend continuously from foundation through the roof.
10
Q
Smoke barrier
A
continuous vertical or horizontal membrane with min fire resistance of 1 h, designed to restrict the movement of smoke. Openings in smoke barriers min 20min rating. Shaft enclosures shall have a fire-resistance rating of not less than 2 hours where connecting four stories or more, and not less than 1 hour where connecting less than four stories.
11
Q
Smoke partitions
A
Smoke partitions do not require a rating, and serve to limit the transfer of smoke through a wall spanning from floor to underside of structure above.
12
Q
Increase of Frontage, IBC Chapter and Formula
A
506.3 Frontage Increase up to 75%. min distance to trigger increase 20’, w/30
If = [F / P – 0.25] W / 30
13
Q
NFPA 13
A
National Fire Protection Association) is the standard for the installation of sprinkler systems. It is a building standard for fire sprinkler requirements.
14
Q
NFPA 101
A
(National Fire Protection Association) is a life safety code that serves as a basis for egress provisions.
15
Q
NFPA-70
A
(National Fire Protection Association) is the National Electrical Code (NEC), and is used to govern the life safety issues of all major electrical systems.
16
Q
Means of Egress Sizing
A
For stairs calculated by multiplying the occupant load by capacity factor of 0.3 inch per occupant. 0.2 if sprinklered.
Means of Egress other than stairways widths are calculated by multiplying the occupant load by capacity factor of 0.2 inch per occupant. 0.15 if Sprinklers
Sprinklers can lengthen and occupancy can shorten the required max.
17
Q
minimum width of each door opening, height of door
A
clear width of 32”, height not be less than 80 inches
18
Q
what affects the number of exits required:
A
The common path of travel is the distance any building occupant must travel before reaching access to two exits.
If the common path of travel is exceeded, an additional exit must be provided .
The travel distance for an occupant in the most remote part of a building to an exit is governed by building codes.
Occupant load is a factor in determining the number of exits.
19
Q
Minimum Corridor Width, more than 50 occupants, for most occupancies
A
44”
20
Q
Mezzanine IBC Chapter
A
Section 505.2
21
Q
ICC A117.1
A
Accessible and Usable Buildings and Facilities
22
Q
Accessible Routes, ADA section
A
Section 206, At least one accessible route shall be provided within the site from accessible parking spaces and accessible passenger loading zones; public streets and sidewalks; and public transportation stops to the accessible building or facility entrance they serve.
23
Q
wheelchair space, and turning space
A
30” x 48”
60” diameter
24
Q
ADA RAMP Clear Width
A
A ramp run must be at least 36 inches wide between the ramp’s handrails.
25
ADA RAMP Rise
A maximum of 30 inches per run, with no limit on the number of runs.
26
ADA RAMP Running Slope, cross slope, landing size
1:12 MAXIMUM SLOPE
CROSS SLOPE: 1:48.
LANDING CLEAR LENGHT: 60”.
27
ADA door - front approach, pull side
60" clear infront, 18" clear on pull side
28
ADA door - front approach, push side
48" clear
29
ADA door - in-between 2 opposite door leaves, or swing and corridor wall
48" clear
30
Fire lanes
Fire lanes must be at least **20’ wide**, at least **10’ away** from building overhang to allow overhead clearance for ladders, if the fire lane has a turn the **outside turning radius must be at least 54’** and the **inside turning radius must be at least 30’** and it must be able to **carry at least 35 tons.**
31
one exit
occupancies of 49 people or less
32
2 exits
Occupancies of **50 or more** require two exits. If an occupancy requires two exits, the two exits must be **spaced at least one half of the longest diagonal dimension** of the space away from each other.
33
Repairs: Level x Alterations
Repairs:
**Level 1 Alterations** changes barely anything (replacing an AC condenser).
**Level 2 alterations** include the **reconfiguration of space**, the addition or elimination of any door or window, the reconfiguration or extension of any system, or the installation of any additional equipment.
**Level 3 Alterations** include alterations where the work exceeds **more than 50%** of the **building area**.
34
IBC Chapter 3
Chapter 3 - Occupancy Classification and Use
35
IBC Chapter 5
Chapter 5 - General Building Heights and Areas
- BUILDING HEIGHT, STORIES, AREA, FRONTAGE
- MEZZANINES
- MIXED USE,
- TABLE 509 INCIDENTAL USES
36
IBC Chapter 6
Chapter 6 - Types of Construction
- FIRE-RESISTANCE RATING REQUIREMENTS FOR BUILDING ELEMENTS (walls, roofs, ceilings etc)
- wood member sizing for type IV
37
IBC Chapter 7
Chapter 7 - Fire and Smoke Protection Features
fire barrier, partitions etc...
floor and roof assemblies
vertical openings shafts,
ducts,
insulatiuon
38
IBC Chapter 8
Chapter 8 - Interior Finishes
wall, ceiling, floor finishes
decorative materials and trims
insulation
accousticeiling systems
39
IBC Chapter 12
Chapter 12 - Interior Environment
40
IBC Chapter 13
Chapter 13 - Energy Efficiency
41
IBC Chapter 14
Chapter 14 - Exterior Walls
42
IBC Chapter 4
Chapter 4 Special Detailed Requirements Based on Use and Occupancy
- HIGHRISES
- ATRIUMS
- UNDERGROUND, PARKING
- HAZARDOUS MATERIALS
- Groups I-1, R-1, R-2, R-3 and R-4
43
IBC Chapter 16
Chapter 16 - Structural Design
44
IBC Chapter 17
Chapter 17 - Special Inspections and Tests
45
size and number of occupants where A-occupancy becomes a B-occupancy
less than **50** occupants
less than **750sf**
46
group A occupancies
**Group A‐1 - fixed seating,** Motion picture theaters; Symphony and concert halls; Television and radio studios admitting an audience Theaters.
**Group A‐2 - food and/or drink** consumption including, but not limited to: Banquet halls; Casinos (gaming areas); Nightclubs; Restaurants, cafeterias and similar dining facilities (including associated commercial kitchens); Taverns and bars.
**Group A‐3 - worship, recreation or amusement** and other assembly uses not classified elsewhere in Group A including, but not limited to: Amusement arcades; Art galleries; Bowling alleys; Community halls; Courtrooms; Dance halls (not including food or drink consumption); Exhibition halls; Funeral parlors; Gymnasiums (without spectator seating); Indoor swimming pools (without spectator seating); Indoor tennis courts (without spectator seating); Lecture halls; Libraries; Museums; Places of religious worship; Pool and billiard parlors; Waiting areas in transportation terminals.
**Group A‐4 - indoor sporting** events and activities with spectator seating including, but not limited to: Arenas; Skating rinks; Swimming pools; Tennis courts.
**Group A‐5 - outdoor activities** including, but not limited to: Amusement park structures; Bleachers; Grandstands; Stadiums.
47
group I occupancies
**Group I-1:** A space, building, or structure used by **more than 16 people,** not including staff, who **reside on a 24-hour basis** within a supervised environment and receive custodial care.
**Alcohol and drug centers, Halfway houses etc**
**Group I-2:** A building or structure used fo**r medical care on a 24 hour** basis for **more than 5 people** who are not capable of self preservation.
**Foster care facilities, Detoxification facilities, Hospitals, Nursing homes, Psychiatric hospitals**
**Group I-3**: A building or structure used by **more than 5 people** who are under restraint or security thus are generally incapable of self-preservation due to security measures that are not under the occupants control.
**prisons**
**Group I-4:** A building or structure that is occupied by **more than 5 people** of any age who receive custodial care for **fewer than 24 hours per day**
**Adult day care, Child day care**
48
A facility housing not fewer than six and not more than 16 persons receiving custodial care shall be classified as Group?
A facility with five or fewer persons receiving custodial care shall be classified as Group?
A facility housing not fewer than six and not more than 16 persons receiving custodial care shall be classified as Group?
**R4**
A facility with five or fewer persons receiving custodial care shall be classified as Group?
**R3**
49
OCCUPANCY GROUPS R
Residential **Group R-1** occupancies containing sleeping units where the occupants are primarily **transient in nature**, including:
**Boarding houses with more than 10 occupants, Hotels (transient),Motels (transient)**
**Residential Group R-2** occupancies containing sleeping units or more than two dwelling units where the occupants are **primarily permanent in nature**, including:
**Apartment houses, Boarding houses (nontransient) with more than 16 occupants**
**Residential Group R-3** occupancies where the occupants are **primarily permanen**t in nature and not classified as Group R-1, R-2, R-4 or I, including:
**Buildings that do not contain more than two dwelling units, Boarding houses (transient) with 10 or fewer occupants, Care facilities that provide accommodations for five or fewer persons receiving care, Congregate living facilities (nontransient) with 16 or fewer occupants**
**Residential Group R-4** occupancy shall include buildings, structures or portions thereof for **more than five but not more than 16 persons**, excluding staff, **who reside on a 24-hour basis** in a supervised residential environment **and receive custodial care.**
**Alcohol and drug centers , Assisted living facilities, Congregate care facilities**
50
The height, in feet, and the number of stories of a building shall be determined based on?
The height, in feet, and the number of stories of a building shall be determined based on the
**type of construction,**
**occupancy classification** and
whether there is an **automatic sprinkler system** installed
throughout the building.
51
The floor area of a building shall be determined based on?
The floor area of a building shall be determined based on
**the type of construction,**
**occupancy classification,**
whether there is an **automatic sprinkler system** installed throughout the building and the **amount of building frontage** on public way or open space
52
Allowable Building Area in MIXED USE OCCUPANCY
Allowable Building Area in MIXED USE OCCUPANCY
In **each story,** the building area shall be such that the **sum** of the **ratios** of the **actual building area** of **each** **separated** **occupancy divided** by the **allowable building area** of **each** **separated occupancy shall not exceed 1.**
**SUM (actual area of occ / allowable area of occ) ≤ 1**
53
IBC Chaper 9
fire protection systems
-sprinkler types, standpipes, alarm systems, detectors
54
IBC Chapter 10
means of egress
1004 Occupant Load
TABLE 1004.1.2 MAXIMUM FLOOR AREA ALLOWANCES PER OCCUPANT
Section 1005 Means of Egress Sizing
Section 1006 Number of Exits and Exit Access Doorways
illumination, accessibilty,
stairs , ramps, handrails
Section 1016 Exit Access
Section 1020 Corridors
55
IBC Chaper 11
Accessability
Section 1104 Accessible Route
1108.2.2 Wheelchair Spaces
Section 1111 Signage
56
Where two exits, are required from any portion of the exit access, they shall be placed a distance apart equal to not less than?
not less than **one-half of the length o**f the maximum overall diagonal dimension of the building or area to be served measured in a straight line between them
**Exceptions**:
* Where interior exit stairways or ramps are interconnected by a **1-hour fire-resistance-rated corridor** the required exit separation shall be measured a**long the shortest direct line of travel within the corridor.**
* Where a building is equipped throughout with an **automatic sprinkler s**ystem distance shall be not less than **one-third** of the length of the maximum overall diagonal dimension of the area served.
57
The owner of a sandwich shop wishes to open a new location on an empty site near a shopping center. There are three entrances to the building: one that faces the shopping center to the north, one that faces a public parking area to the south, and a service entrance to the west that leads to the dumpsters and walk-in cooler. Which of the entrances is required to be accessible?
**60% of the entrances must be accessible.** Since the service door serves a specific space, it would also need to be accessible, as well as the other two doors.
58
Alterations made to provide an accessible path of travel to the altered area will be deemed disproportionate to the overall alteration when the cost exceeds ?% of the cost of the alteration to the primary function area.
Alterations made to provide an accessible path of travel to the altered area will be deemed disproportionate to the overall alteration **when the cost exceeds 20%** of the cost of the alteration to the primary function area. ) When the cost of alterations necessary to make the path of travel to the altered area fully accessible is disproportionate to the cost of the overall alteration, the path of travel shall be made accessible to the extent that it can be made accessible without incurring disproportionate costs.
59
priority accessible elements to provide when alteration
1. An accessible **entrance**;
2. An accessible **route** to the altered area;
3. At least one accessible **restroom** for each sex or a single unisex restroom;
4. Accessible **telephones**;
5. Accessible **drinking fountains**; and
6. When possible, **additional accessible elements such as parking, storage, and alarms.**
60
maximum area that can be considered for a mezzanine design Types I and II construction
max area of a mezzanine is **1/2 of the enclosing space** for **Types I and II** construction,
## Footnote
**IF SPRINKLERED**
61
maximum distance an object higher than 27 inches above finish floor can protrude into an accessible route
An object higher than 27 inches above finish floor can protrude a maximum of **4 inches** into an accessible route.
62
Q. An area of refuge must have? Sizing?
* A two-way communication device
* A steady supply of outside air
* Emergency lighting
Each area of refuge shall be sized to accommodate one wheelchair space of **30 inches by 48 inches for each 200 occupants** or portion thereof,
63
Type IV construction mezzanine
the max area of a **mezzanine is 1/3 of the enclosing space** for **Type IV** construction
64
Q. The IBC allows egress through adjoining rooms in which of the following conditions? Select the (3) that apply.
a One of the two rooms is an accessory to the other.
b Both rooms are classified as Group B.
c Neither room is classified as Group H.
d No doors have locks.
e There is a clear path of egress travel to the exit.
Solution: The correct answers are A, C and E.
IBC allows egress through adjoining rooms **if one of the two rooms is an accessory to the other, neither room is classified as Group H (high hazard), and there is a clear path of egress travel to the exit.** Locking doors are not included, and the rooms do not need to be classified as Group B (for business use).
65
When a specified carpet has a pile height of 1/2 inch, what must the architect do to ensure the finish meets accessibility requirements?
In this case, the architect must provide a **transition strip at the exposed edges.**
66
minimum stair width by code
states that the minimum stair width shall not be less than **44** **inches** unless the stairway is serving an occupant load o**f less than 50**, in which case the minimum width shall not be less than **36** **inches**.
67
• ADA Dimensional Standards:
Door clearance on pull side of door
Door clearance on push side of door
32” clr min when open 90 deg
* *1’-6”** clr on **pull** side of door
* *1’-0” c**lr on the **push** side of the door
68
• ADA Dimensional Standards:
reach heights - front approach
20 max reach over - **48**"
20-25 max reach over - **44**"
**min 16"**
69
• ADA Dimensional Standards:
reach heights - side approach
10" reach over - **48**"
10-24" reach over - **46"**
70
ada
Sidewall grab bar
* *42”** min length
* *12”** max from rear wall
**33” -36”** above floor
71
The maximum occupant load in any occupancy for one exit is
The maximum occupant load in any occupancy for one exit is **49 people**
72
Maximum travel distance for exit access:
**• 200 feet i**n **non sprinklered** buildings
• **250 - 300 feet in sprinklered** buildings
73
Class A flame spread rating ! !
**0-25**
A flame spread rating number is the relative rate at which flame will spread over the surface of a material, as compared with flame spread on **asbestos-cement board (rated zero)** and on **red oak (rated 100).**
**Lower is better!**
74
Class B flame spread rating !!
**26-75**
A flame spread rating number is the relative rate at which flame will spread over the surface of a material, as compared with flame spread on asbestos-cement board (rated zero) and on red oak (rated 100).
75
Class D flame spread rating! !
201-500
A flame spread rating number is the relative rate at which flame will spread over the surface of a material, as compared with flame spread on asbestos-cement board (rated zero) and on red oak (rated 100).
76
Class E flame spread rating !!
over 500
A flame spread rating number is the relative rate at which flame will spread over the surface of a material, as compared with flame spread on asbestos-cement board (rated zero) and on red oak (rated 100).
77
Type I - construction type, fire rating
Building elements are of noncombustible materials
**IA (ISO 6) = 3 hour fire rating**
The **main structural** elements are **noncombustible**. Examples of these materials would be masonry and concrete. Basically, all concrete construction.
**IB (ISO 5) = 2 hour fire rating**
The **main structural elements are noncombustible**. Examples of these materials are heavy steel with spray-on insulation or enclosed in double layers of sheetrock. **Basically, protected steel construction.**
78
Type II -construction type, fire rating
**Exterior walls are of noncombustible materials, interior elements are of any material allowed by code**
**IIA (ISO 4) = 1 hour min. Fire rating**
The main structural elements of the **walls are masonry or concrete**. The **roof** support is **unprotected metal beams** or bar joists
**IIB (ISO 3) = No fire rating**
The main structural elements of the walls and roof are **unprotected steel**. These are **light-weight metal buildings** like “Butler Buildings” and Quonset Huts.
Caution - if metal siding is affixed to wood members, construction is TYPE VB.
79
Type III -construction type, fire rating
**Exterior walls are of noncombustible materials, interior elements are of any material allowed by code**
**IIIA (ISO 2) = 1 hour min rating w/2 hr exterior bearing walls**
A combination of building construction comprised of **exterior walls of masonry or concrete and roof/floors of combustible material that has been treated to have at least a 1-hr fire resistance rating.**
**IIIB (ISO 2)= Unrated interior w/2 hr exterior bearing walls**
Same **as TYPE IIIA, except that the roof/floors of combustible materials have no fire resistance rating**. This is the most common of ISO 2 construction where the underside of the roof is seen with wood construction but the walls are masonry or concrete.
80
Type IV -construction type, fire rating
**Heavy Timber (ISO 2)**
Exterior walls are of noncombustible materials, interior elements are of solid or laminated wood without concealed spaces
Known as **heavy timber or mill construction** in which the exterior walls are of noncombustible materials. Interior building elements utilize wood structural members and heavy wood decking. Building elements do not contain concealed spaces and contain systems that prevent a fire from the exterior into unprotected openings.
81
Type V - construction type, fire rating
Structural elements, exterior, and interior walls are of any materials allowed by code
**VA (ISO 1) = 1 hr exterior bearing walls**
A wood-framed building. Protected construction having all major building elements with at least a 1-hour fire-resistance rating.
Exception: non-load bearing interior walls and partitions having no rating.
**VB (ISO 1) = No fire rating**
A wood-framed building having no fire-resistance ratings. This is the most commonly seen ISO 1 construction.
82
minimum distance between two hinged or pivoted doors in series
minimum of **48 inches (4′)** distance between two hinged or pivoted doors in series
