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Building Deign & Construction Systems > Codes & Regulations > Flashcards

Codes & Regulations Flashcards

1
Q

The ADA/ABA Guidelines limit the projection of any construction element ot a maximum of

A

4 in

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2
Q

When selecting a fire extinguisher cabinet, the most critical feature is the

A

projection distance from the wall

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3
Q

True or false. Glazing is required for fire extinguisher cabinets

A

false. glazing is not required nor is their a size requirements if glazing is present

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4
Q

the height of a fire extinguisher cabinet must be amaximum

A

48 in AFF for unobstructed forward reach and side reach

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5
Q

the mazimum allowable height between landings or floors is

A

12 ft

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6
Q

Model codes prescribe a minimum corridor width of ___in an office exit corridor serving an occupant load of 55

A

44 in

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7
Q

What agency originally set the requirements for safety glazing in buildings

A

consumer product safety comimission

the consumer product safety commission originally set requirements of safety glazing whic are codified in the Code of Federal Regulations

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8
Q

according to model codes interior finish requirements for woodwork are most stringent for

A recessed shelving

B cornice molding

C built in furniture

D wainscoating

A

D wanscoating

-model building coades regulate wainscoating as an interior finish material subject to a Class A, B, or C flame spead rating depending on occupancy, location in the building, and presence or absence of sprinklers.

Sinch wainsoting could be restricted to a Class A flame rating, it is the most stringently regulated item

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9
Q

for a front approach to an in-swinging door (pull side) there must be a minimum of

A

18 in on the latch side of the door

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10
Q

a fire rated gypsum board partition must always consist of

A

type x gypsum board

full height construction

attachement according to resting laboratory standards

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11
Q

what is the building code requirement for pairs of exit doors with astragals

A

coordinator

a coordinator prevent the door lead with the astragal from closing before the other leaf, so the pair of doors seals properly

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12
Q

how much fire protection rated glazing (wire glass) is permitted in a 1.5 hour rated door in an exterior wall

A

no glazing is permitted

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13
Q

all glazing in fire rated doors must be

A

either 1/4 in wire glass or ceramic glazing

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14
Q

a 1.5 hour rated door that is not in a n exterior wall is permitted to have how much glazzing

A

100 sq in of glazing

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15
Q

a 3/4 rated door is permitted to have much glazing

A

1296 sq in

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16
Q

a 20 min rated door is allowed to have how much glazing

A

amount of glazing is not limited

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17
Q

ceramic glazing must comply with

A

NFPA 80

Standard for fire doors and other opening protectives

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18
Q

the requirement that limited fire extinguisher cabinets from projecting into a space more than 4 in is a standard of

A

ADA/ABA

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19
Q

according tot eh ADA/ABA guidleines, the ratio of accessible parking spaces to total parking spaces is

A

1:25 up to 200 spaces, with an additional accessible space for each additional 100 parking spaces up to 500

Above 500 spaces, accessible spaces are determined as a percentage of the total parking spaces provided

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20
Q

what does it mean when a building material is not combistible

A

a material will not ignite and burn when subject to fire

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21
Q

restrictions on surface finishes in all model codes are based primarily on

A

loaction in the building and occupancy

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22
Q

construction type refers to

A

fire resistance ratings of various building components

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23
Q

what is the minimu clear width for an accessible door

A

32 in

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24
Q

no objects greater than 4 in can protrude into an accessible route if the lower edge of the object is greater than ___ in AFF

A

27 in AFF

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25
Q

a safe pedestrian walk should not have a slope exceeding ___in/ft perpendicular to the direction of travel

A

1/4

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26
Q

Model codes limit the areas of the individual exterior wall panels using standard unit glass blcok to

A

144 sq ft

standard unit glass block is hallow and has a specified thickness of 3 7/8 in

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27
Q

solid glass block is limited to and are of ___ sq ft for both interior and exterior walls.

A

100 square ft

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28
Q

interior standard unit glass block walls are limited to and area of

A

250 sq ft

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29
Q

which of the following material would not be used as a firestop?

a. mortar
b. mineral wool
c. silicone foam
d. treated wood blocking

A

d. treated wood blocking

firestops are materials or systems of materials that are used to seal penetrations through fire walls or smoke barrier

-always noncombustible and may be factory built or constructed in the field

30
Q

draftstops

A

like firestops they prevent the passage of fire and smoke but can be made of combustible materials such as treated wood blocking

-they are placed between floors and at concealed spaces

31
Q

the Davis Bacon Act requires that all

A

workers on US government projects over $2000 be paid at prevailing wage rates

32
Q

Davis Bacon Act

A

requres that projects over $2000 to which the US or the District of Columbia is a party, all workers will be paid prevaling wage rates

  • rates are determined by the secretary of workers on similar projects in the area where the work is being performed
  • also requires that workers be paid at least once a week
  • allows government to withold payments to the contractor, if necessary so that workers can be paid
  • if a contractor does not follow requirements of the act, the act allows the goverment the option to withold contract from that company for three years
  • labor costs on projects goverend by the Davis Bacon Act can be considerably higher than similat provate sector projects and cost opinions shouls be adjusted accrodingly
33
Q

building type I

A

building elements are made of noncombustible materials; 1A = 3 hr rating; 1B = 2 hr rating

34
Q

-building type II

A

-building elements are made of noncombustible materials; IIA = 1 hr rating; IIB = no rating

35
Q
A
36
Q

accroding to the model odes, which of the following are considered parts of the means of egress? (choose 3)

a. common path of trave
b. exit
c. exit access
d. exit discharge
e. public way
f. travel idstance

A
37
Q

Which of these are important considerations in designing a fire rated ceiling?

a. hold down clips
b. the structural slab
c. therma insulation
d. the compositiong of the floor/ceiling cavity
e. sound absorption
f. the style of the grid

A
38
Q

the two hour rated wall assembly consists of…

A

… 2x4 studs palced at 16 in OC, with two layers of 5/8 in type X gypsum board attached to each side of the wall

39
Q

according to the IBC, the minimum depth required for a hearth is …

A
40
Q

the tolerance for the difference between riser heights or tread depths within a flight of stairs is

A

0.375 in

41
Q

what is the most appropriate elevator speed for a four story apartment building with a floor to floor height of 15 ft.

A

450 ft/min

42
Q

safety glazing is required when…

A

….exposed area is > 9 sq ft

  • bottom edge of window is < 18 in above floor or ground
  • top edge > 36 in above floor or ground
  • window is w/ in 36 in of walking surface
  • exception min 1.5” high protective guard installed
43
Q

glass uesd in skyights must be…

A

tempered, heat strengthened, laminated, wired or approved rigid plastics

  • tempered and heat strengthed glass requires screen below window
  • 4 in curb if roof slope < 3:12
44
Q
A
45
Q

-building type III

A

-exterior wall are of noncombustible materials, interior walls are of any material slowed by code; IIIA=1 hr rated interior w 2 hr rated exterior bearing walls; IIIB unrated interior w/ 2 hr rated exterior bearing walls

46
Q

-builing type IV

A

-heavy timber; exterior walls are of noncombustible materials, interior elements are of solid of laminated wood without concealed spaces

47
Q

-building type V

A

-structural elements, exterior and interior are of any materials allowed by code; VA=1 hr rated bearing walls; VB = no fire rating

48
Q
  • building type A
A

-Protected / Fire Resistance Rated Construction:
All structural members have additional fire rated coating/cover such as sheetrock, or spray on fireproofing.
Extends the fire resistance rating of structure members by at least an hour.

49
Q

-building type B

A

-Unprotected / Non-Fire Resistance Rated Construction:
All structural members have no added coating/cover.
Exposed members are only fire resistant according to their natural ability or characteristic.

50
Q

shaft wall

A

partition used to enclose a multistory opening through a building (e.g. elevator shaft, shaft for ductwork, pipes, etc.)

  • shaft connectiing 4 or more floors must have fire resistance rating of 2 hours
  • shaft connecture < 4 floors must have fire resistance rating of 1 hour
51
Q

ASTM E119

A

– building construction and material: evaluates an assembly’s ability to prevent the passage of fire, heat, and hot gasses for a given amount of time; these assemblies are given a rating according to time: 1-4-hr rating, and for doors and other assemblies 20/30/45 minute rating.

52
Q

NFPA 252

A

– door assemblies: evaluates the ability of a door assembly to resist the passage of flame, heat, and gases

53
Q

NFPA 257

A

– window and glass block assembly: prescribes specific fire and hose stream test procedures to establish a degree of fire protection in units of time

54
Q

ASTM E84

A

Steiner Tunnel Test – surface burning characteristics of building materials:

test samples in a narrow chamber that has a controlled flame at one hand. The result is a materials flame spread rating. Class A (I), B (II), C (III)

-

Class A (I) is the most fire resistant.

55
Q

NFPA 265

A

Room Corner Test: sometimes required in addition to the ASTM E84 test for textile interior finishes or instead of it. It determines the contribution of interior textile and ceiling covering to fire growth.

56
Q

NFPA 286

A

– evaluating contribution of wall and ceiling interior finish to room fire growth: it evaluates materials other than textiles and addresses displacement during the ASTM E84 test.

57
Q

The building codes specify requirements for two broad classifications of fire resistance:

A

1) resistance of materials and assemblies,
2) surface burning characteristics of finish materials

58
Q

Fire partition:

A

In most cases, a fire partition provides a continuous barrier from the floor to the underside of the floor or ceiling above, or to the ceiling of a fire-resistance rated floor/ceiling or roof/ceiling assembly.

Example: corridor walls, walls separating dwelling

units…

59
Q

Minimum partition rating for a fire partition and openings

A

Parition: 1 hour

openings: 20 min for corridors; 45 min for others

60
Q

Fire Barrier:

A

It offers more protection than a fire partition. It is a vertical or horizontal assembly that is fire-resistance rated and is designed to restrict the spread of fire, confine it to limited areas, and/or afford safe passage for protected egress.

Example: stairways, separate mixed-use occupancy…

61
Q

minimum rating for a fire barrier

A

1 hour or more

62
Q

requirements for opening in fire barriers

A

  • 20 min. to 3hrs depending on the fire barrier’s rating
  • maximum aggregate width of 25%
  • single opening cannot exceed 120 square ft in area
63
Q

Fire Wall:

A

it is a fire- resistance rated wall that is used to separate a single structure into separate construction types or to provide for allowable area increases by creating what amounts to separate buildings even though they are attached. They must extend continuously form the foundation to or through the roof.

Example: wall separating row house units.

64
Q

minimum rating for a fire wall and its openings

A
  • 2 hours to 4 hours
  • no openings allowed
65
Q

Smoke Barrier:

A

continuous vertical or horizontal membrane that is designed and constructed to restrict movement of smoke. It is a passive form of smoke control. Openings in smoke barriers must have a t least a 20-minute rating.

66
Q

minimum rating for a smoke barrier and its openings

A
  • parition: 1 hour
  • openings: 20 min
67
Q

name the following occuapancy groups:

ABEFGHIMRSU

A

A=assembly

B=business

E=educational

F=factory/industrial

G=governmental

H=high hazard

I=institutional

M=merchantile

R=residential

S=storage

U=utilities

68
Q

how many exits are required in an non-sprinklered building?

A
  • 2 exits are required in an non-sprinklered building,
  • the distance between the doors must be equal or greater than 1/2 of the maximum overall diagonal dimension of the building or area to be served
69
Q

how many exits are required in a sprinklered building?

A

  • 2 exits are required in a sprinklered building,
  • the distance between the doors must be equal or greater than 1/3 of the maximum overall diagonal dimension of the building or area to be served
70
Q

if 3 or more exits are required, 2 must conform to …

A

3 or more exits are required, 2 must conform to the diagonal distance rule, and the

third and additional exits must be at a reasonable distance apart, so that if one is blocked, the others will be available

71
Q

Egress doors must swing in the direction of travel when …

A

the area served has an occupant load of 50 or more or is a group H occupancy;

72
Q

Egress doors must not swing into a required travel path more than…

A

7”

-

-Egress doors must not swing into a required travel path, they can be recessed to avoid this problem;

Building Deign & Construction Systems (12 decks)

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