Chapter 5 - General Site and Building Elements Flashcards
T / F - Width measurements of parking spaces and access aisles shall be made from the centerline of the markings
TRUE
502.1 Parking Spaces, General - Car and van parking spaces shall comply with 502. Where parking spaces are marked with lines, width measurements of parking spaces and access aisles shall be made from the centerline of the markings.
Where parking spaces or access aisles are not ________ to another parking space or access aisle, measurements shall be _________ to include the full width of the line defining the parking space or access aisle.
ADJACENT, PERMITTED
502.1 Parking Spaces, General - Car and van parking spaces shall comply with 502. Where parking spaces are marked with lines, width measurements of parking spaces and access aisles shall be made from the centerline of the markings.
EXCEPTION: Where parking spaces or access aisles are not adjacent to another parking space or access aisle, measurements shall be permitted to include the full width of the line defining the parking space or access aisle.
Car parking spaces shall be ___ inches wide minimum and van parking spaces shall be ____ inches wide minimum, shall be marked to define the width, and shall have an adjacent access aisle complying with 502.3.
96 INCHES, 132 INCHES
502.2 Parking Spaces, Vehicle Spaces - Car parking spaces shall be 96 inches (2440 mm) wide minimum and van parking spaces shall be 132 inches (3350 mm) wide minimum, shall be marked to define the width, and shall have an adjacent access aisle complying with 502.3.
Van parking spaces shall be permitted to be ___ inches wide minimum where the access aisle is ___ inches wide minimum.
96 INCHES, 96 INCHES
502.2 Parking Spaces, Vehicle Spaces - Car parking spaces shall be 96 inches (2440 mm) wide minimum and van parking spaces shall be 132 inches (3350 mm) wide minimum, shall be marked to define the width, and shall have an adjacent access aisle complying with 502.3.
EXCEPTION: Van parking spaces shall be permitted to be 96 inches (2440 mm) wide minimum where the access aisle is 96 inches (2440 mm) wide minimum.
Parking space access aisles shall ______ an accessible route.
ADJOIN
502.3 Parking Spaces, Access Aisle - Access aisles serving parking spaces shall comply with 502.3. Access aisles shall adjoin an accessible route. Two parking spaces shall be permitted to share a common access aisle.
___ parking spaces shall be permitted to share a common access aisle.
TWO
502.3 Parking Spaces, Access Aisle - Access aisles serving parking spaces shall comply with 502.3. Access aisles shall adjoin an accessible route. Two parking spaces shall be permitted to share a common access aisle.
Parking space access aisles serving car and van parking spaces shall be ___ inches wide minimum.
60 INCHES
502.3.1 Parking Spaces, Width - Access aisles serving car and van parking spaces shall be 60 inches (1525 mm) wide minimum.
Parking space access aisles shall extend the full length of the _______ ______ they serve.
PARKING SPACES
502.3.2 Parking Spaces, Length - Access aisles shall extend the full length of the parking spaces they serve.
Parking space access aisles shall be marked so as to __________ parking in them.
DISCOURAGE
502.3.3 Parking Spaces, Marking - Access aisles shall be marked so as to discourage parking in them.
Parking space access aisles shall not _______ the vehicular way.
OVERLAP
502.3.4 Parking Spaces, Location - Access aisles shall not overlap the vehicular way. Access aisles shall be permitted to be placed on either side of the parking space except for angled van parking spaces which shall have access aisles located on the passenger side of the parking spaces.
Parking space access aisles shall be permitted to be placed on ______ side of the parking space except for angled van parking spaces which shall have access aisles located on the _________ side of the parking spaces.
EITHER, PASSENGER
502.3.4 Parking Spaces, Location - Access aisles shall not overlap the vehicular way. Access aisles shall be permitted to be placed on either side of the parking space except for angled van parking spaces which shall have access aisles located on the passenger side of the parking spaces.
Access aisles shall be at the ____ level as the parking spaces they serve.
SAME
502.4 Parking Spaces, Floor or Ground Surfaces - Parking spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the parking spaces they serve. Changes in level are not permitted.
EXCEPTION: Slopes not steeper than 1:48 shall be permitted.
T/ F - Changes in level at parking spaces and access aisles are permitted.
FALSE
502.4 Parking Spaces, Floor or Ground Surfaces - Parking spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the parking spaces they serve. Changes in level are not permitted.
EXCEPTION: Slopes not steeper than 1:48 shall be permitted.
T / F - Slopes not steeper than 1:48 shall be permitted at parking spaces and access aisles.
TRUE
502.4 Parking Spaces, Floor or Ground Surfaces - Parking spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the parking spaces they serve. Changes in level are not permitted.
EXCEPTION: Slopes not steeper than 1:48 shall be permitted.
Parking spaces for vans and access aisles, and vehicular routes serving them shall provide a vertical clearance of ___ inches minimum.
98 INCHES
502.5 Parking Spaces, Vertical Clearance - Parking spaces for vans and access aisles and vehicular routes serving them shall provide a vertical clearance of 98 inches (2490 mm) minimum.
Parking space identification signs shall include the _____________ ______ of _____________ complying with 703.7.2.1.
INTERNATIONAL SYMBOL OF ACCESSIBILITY
502.6 Parking Spaces, Identification - Parking space identification signs shall include the International Symbol of Accessibility complying with 703.7.2.1. Signs identifying van parking spaces shall contain the designation “van accessible.” Signs shall be 60 inches (1525 mm) minimum above the finish floor or ground surface measured to the bottom of the sign.
Signs identifying van parking spaces shall contain the designation “___ __________.”
VAN ACCESSIBLE
502.6 Parking Spaces, Identification - Parking space identification signs shall include the International Symbol of Accessibility complying with 703.7.2.1. Signs identifying van parking spaces shall contain the designation “van accessible.” Signs shall be 60 inches (1525 mm) minimum above the finish floor or ground surface measured to the bottom of the sign.
Signs at parking spaces shall be ___ inches minimum above the finish floor or ground surface measured to the bottom of the sign.
60 INCHES
502.6 Parking Spaces, Identification - Parking space identification signs shall include the International Symbol of Accessibility complying with 703.7.2.1. Signs identifying van parking spaces shall contain the designation “van accessible.” Signs shall be 60 inches (1525 mm) minimum above the finish floor or ground surface measured to the bottom of the sign.
Parking spaces and access aisles shall be designed so that cars and vans, when parked, cannot ________ the required clear width of adjacent accessible routes.
OBSTRUCT
502.7 Parking Spaces, Relationship to Accessible Routes - Parking spaces and access aisles shall be designed so that cars and vans, when parked, cannot obstruct the required clear width of adjacent accessible routes.
Passenger loading zones shall provide a vehicular pull-up space ___ ______ wide minimum and ___ ____ long minimum.
96 INCHES, 20 FEET
503.2 Passenger Loading Zones, Vehicle Pull-Up Space - Passenger loading zones shall provide a vehicular pull-up space 96 inches (2440 mm) wide minimum and 20 feet (6100 mm) long minimum.
Passenger loading zone access aisles shall adjoin an __________ _____ and shall not overlap the vehicular way.
ACCESSIBLE ROUTE
503.3 Passenger Loading Zones, Access Aisle - Passenger loading zones shall provide access aisles complying with 503 adjacent to the vehicle pull-up space. Access aisles shall adjoin an accessible route and shall not overlap the vehicular way.
Passenger loading zone access aisles serving vehicle pull-up spaces shall be ___ inches wide minimum.
60 INCHES
503.3.1 Passenger Loading Zones, Width - Access aisles serving vehicle pull-up spaces shall be 60 inches (1525 mm) wide minimum.
Passenger loading zone access aisles shall extend the ____ ______ of the vehicle pull-up spaces they serve.
FULL LENGTH
503.3.2 Passenger Loading Zones, Length - Access aisles shall extend the full length of the vehicle pull-up spaces they serve.
T /F - Passenger loading zone access aisles shall be marked so as to discourage parking in them.
TRUE
503.3.3 Passenger Loading Zones, Marking - Access aisles shall be marked so as to discourage parking in them.
Passenger loading zone access aisles shall be at the same level as the _______ pull-up space they serve.
VEHICLE
503.4 Passenger Loading Zones, Floor and Ground Surfaces - Vehicle pull-up spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the vehicle pull-up space they serve. Changes in level are not permitted.
T /F - Changes in level at passenger loading zone vehicle pull-up spaces and access aisles serving them are permitted.
FALSE
503.4 Passenger Loading Zones, Floor and Ground Surfaces - Vehicle pull-up spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the vehicle pull-up space they serve. Changes in level are not permitted.
At passenger loading zones, slopes not steeper than ____ shall be permitted.
1:48
503.4 Passenger Loading Zones, Floor and Ground Surfaces - Vehicle pull-up spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the vehicle pull-up space they serve. Changes in level are not permitted.
EXCEPTION: Slopes not steeper than 1:48 shall be permitted.
Vehicle pull-up spaces, access aisles serving them, and a vehicular route from an entrance to the passenger loading zone, and from the passenger loading zone to a vehicular exit shall provide a vertical clearance of ____ inches minimum.
114 INCHES
503.5 Passenger Loading Zones, Vertical Clearance - Vehicle pull-up spaces, access aisles serving them, and a vehicular route from an entrance to the passenger loading zone, and from the passenger loading zone to a vehicular exit shall provide a vertical clearance of 114 inches (2895 mm) minimum.
All steps on a flight of stairs shall have _______ riser heights and _______ tread depths.
UNIFORM, UNIFORM
504.2 Stairs, Treads and Risers - All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum. Treads shall be 11 inches (280 mm) deep minimum.
Stair risers shall be __ inches high minimum and __ inches high maximum.
4 INCHES, 7 INCHES
504.2 Stairs, Treads and Risers - All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum. Treads shall be 11 inches (280 mm) deep minimum.
Stair treads shall be ___ inches deep minimum.
11 INCHES
504.2 Stairs, Treads and Risers - All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum. Treads shall be 11 inches (280 mm) deep minimum.
T/ F - Open risers at stairs are permitted.
FALSE
504.3 Stairs, Open Risers - Open risers are not permitted.
T / F - Changes in level at stair treads are permitted.
FALSE
504.4 Stairs, Tread Surface - Stair treads shall comply with 302. Changes in level are not permitted.
T / F - Stair treads shall be permitted to have a slope not steeper than 1:48.
TRUE
504.4 Stairs, Tread Surface - Stair treads shall comply with 302. Changes in level are not permitted.
EXCEPTION: Treads shall be permitted to have a slope not steeper than 1:48.
The radius of curvature at the leading edge of the tread shall be ___ inch maximum.
1/2 INCH
504.5 Stairs, Nosings - The radius of curvature at the leading edge of the tread shall be 1/2 inch (13 mm) maximum. Nosings that project beyond risers shall have the underside of the leading edge curved or beveled. Risers shall be permitted to slope under the tread at an angle of 30 degrees maximum from vertical. The permitted projection of the nosing shall extend 1 1/2 inches (38 mm) maximum over the tread below.
Stair nosings that project beyond risers shall have the underside of the leading edge ______ or _______.
CURVED, BEVELED
504.5 Stairs, Nosings - The radius of curvature at the leading edge of the tread shall be 1/2 inch (13 mm) maximum. Nosings that project beyond risers shall have the underside of the leading edge curved or beveled. Risers shall be permitted to slope under the tread at an angle of 30 degrees maximum from vertical. The permitted projection of the nosing shall extend 1 1/2 inches (38 mm) maximum over the tread below.
Risers shall be permitted to slope _____ the tread at an angle of ___ degrees maximum from vertical.
UNDER, 30 DEGREES
504.5 Stairs, Nosings - The radius of curvature at the leading edge of the tread shall be 1/2 inch (13 mm) maximum. Nosings that project beyond risers shall have the underside of the leading edge curved or beveled. Risers shall be permitted to slope under the tread at an angle of 30 degrees maximum from vertical. The permitted projection of the nosing shall extend 1 1/2 inches (38 mm) maximum over the tread below.
The permitted projection of the stair nosing shall extend _____ inches maximum over the tread below.
1 1/2 INCHES
504.5 Stairs, Nosings - The radius of curvature at the leading edge of the tread shall be 1/2 inch (13 mm) maximum. Nosings that project beyond risers shall have the underside of the leading edge curved or beveled. Risers shall be permitted to slope under the tread at an angle of 30 degrees maximum from vertical. The permitted projection of the nosing shall extend 1 1/2 inches (38 mm) maximum over the tread below.
T F - Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water.
TRUE
504.7 Stairs, Wet Conditions - Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water.
T / F - Handrails are required to be provided at walking surfaces.
FALSE
505.1 Handrails, General - Handrails provided along walking surfaces complying with 403, required at ramps complying with 405, and required at stairs complying with 504 shall comply with 505.
Handrails provided along _______ ________ complying with 403, complying with 405 are required at _____, and at ______ complying with 504.
WALKING SURFACES; RAMPS; STAIRS
505.1 Handrails, General - Handrails provided along walking surfaces complying with 403, required at ramps complying with 405, and required at stairs complying with 504 shall comply with 505.
Handrails shall be provided on ____ sides of stairs and ramps.
BOTH
505.2 Handrails, Where Required - Handrails shall be provided on both sides of stairs and ramps.
T / F - In assembly areas, handrails shall not be required on both sides of aisle ramps where a handrail is provided at either side or within the aisle width.
TRUE
505.2 Handrails, Where Required - Handrails shall be provided on both sides of stairs and ramps.
EXCEPTION: In assembly areas, handrails shall not be required on both sides of aisle ramps where a handrail is provided at either side or within the aisle width.
T / F - In assembly areas, handrails are required at both sides of the aisle ramp.
FALSE
505.2 Handrails, Where Required - Handrails shall be provided on both sides of stairs and ramps.
EXCEPTION: In assembly areas, handrails shall not be required on both sides of aisle ramps where a handrail is provided at either side or within the aisle width.
Handrails shall be __________ within the full length of each stair flight or ramp run.
CONTINUOUS
505.3 Handrails, Continuity - Handrails shall be continuous within the full length of each stair flight or ramp run. Inside handrails on switchback or dogleg stairs and ramps shall be continuous between flights or runs.
Inside handrails on __________ or ______ stairs and ramps shall be __________ between flights or runs.
SWITCHBAK, DOGLEG
505.3 Handrails, Continuity - Handrails shall be continuous within the full length of each stair flight or ramp run. Inside handrails on switchback or dogleg stairs and ramps shall be continuous between flights or runs.
T / F - In assembly areas, handrails on ramps shall be continuous in aisles serving seating.
FALSE
505.3 Handrails, Continuity - Handrails shall be continuous within the full length of each stair flight or ramp run. Inside handrails on switchback or dogleg stairs and ramps shall be continuous between flights or runs.
EXCEPTION: In assembly areas, handrails on ramps shall not be required to be continuous in aisles serving seating.
T / F - The height of handrails shall be measure to the centerline of the handrail.
FALSE
505.4 Handrails, Height- Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. Handrails shall be at a consistent height above walking surfaces, stair nosings, and ramp surfaces.
Top of gripping surfaces of handrails shall be ___ inches minimum and ___ inches maximum vertically above _______ surfaces, stair _______, and ____ surfaces.
34, 38, WALKING, NOSINGS, RAMP
505.4 Handrails, Height- Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. Handrails shall be at a consistent height above walking surfaces, stair nosings, and ramp surfaces.
Handrails shall be at a __________ height above walking surfaces, stair nosings, and ramp surfaces.
CONSISTENT
505.4 Handrails, Height- Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. Handrails shall be at a consistent height above walking surfaces, stair nosings, and ramp surfaces.
Clearance between handrail gripping surfaces and adjacent surfaces shall be _____ inches minimum.
1 1/2 INCHES
505.5 Handrails, Clearance - Clearance between handrail gripping surfaces and adjacent surfaces shall be 1 1/2 inches (38 mm) minimum.
Handrail gripping surfaces shall be __________ along their length and shall not be __________ along their tops or sides.
CONTINUOUS, OBSTRUCTED
505.6 Handrails, Gripping Surface - Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 1 1/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.
The bottoms of handrail gripping surfaces shall not be __________ for more than ___ percent of their length.
OBSTRUCTED, 20
505.6 Handrails, Gripping Surface - Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 1 1/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.
Where provided, horizontal projections shall occur _____ minimum below the bottom of the handrail gripping surface.
1 1/2 INCHES
505.6 Handrails, Gripping Surface - Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 1 1/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.
Where handrails are provided along _______ ________ with slopes not steeper than ____, the bottoms of handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.
WALKING SURFACES, 1:20
505.6 Handrails, Gripping Surface - Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 1 1/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.
EXCEPTIONS:
1. Where handrails are provided along walking surfaces with slopes not steeper than 1:20, the bottoms of handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.
2. The distance between horizontal projections and the bottom of the gripping surface shall be permitted to be reduced by 1/8 inch (3.2 mm) for each 1/2 inch (13 mm) of additional handrail perimeter dimension that exceeds 4 inches (100 mm).
T / F - At walking surfaces with slopes not steeper than a 1:20 slope, the gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.
TRUE
505.6 Handrails, Gripping Surface - Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 1 1/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.
EXCEPTIONS:
1. Where handrails are provided along walking surfaces with slopes not steeper than 1:20, the bottoms of handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.
2. The distance between horizontal projections and the bottom of the gripping surface shall be permitted to be reduced by 1/8 inch (3.2 mm) for each 1/2 inch (13 mm) of additional handrail perimeter dimension that exceeds 4 inches (100 mm).
At handrails provided along walking surfaces with slopes not steeper than 1:20, the distance between horizontal projections and the bottom of the gripping surface shall be permitted to be reduced by ___ ____ for each ___ ____ of additional handrail perimeter dimension that exceeds __ ______.
1/8 INCH, 1/2 INCH, 4 INCHES
505.6 Handrails, Gripping Surface - Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 1 1/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.
EXCEPTIONS:
1. Where handrails are provided along walking surfaces with slopes not steeper than 1:20, the bottoms of handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.
2. The distance between horizontal projections and the bottom of the gripping surface shall be permitted to be reduced by 1/8 inch (3.2 mm) for each 1/2 inch (13 mm) of additional handrail perimeter dimension that exceeds 4 inches (100 mm).
Handrail gripping surfaces with a circular cross section shall have an outside diameter of _____ ______ minimum and __ ______ maximum.
1 1/4 INCHES, 2 INCHES
505.7.1 Handrails, Circular Cross Section - Handrail gripping surfaces with a circular cross section shall have an outside diameter of 1 1/4 inches (32 mm) minimum and 2 inches (51 mm) maximum.
Handrail gripping surfaces with a non-circular cross section shall have a perimeter dimension of __ ______ minimum and _____ ______ maximum, and a cross-section dimension of _____ ______ maximum.
4 INCHES, 6 1/4 INCHES, 2 1/2 INCHES
505.7.2 Handrails, Non-Circular Cross Sections - Handrail gripping surfaces with a non-circular cross section shall have a perimeter dimension of 4 inches (100 mm) minimum and 6 1/4 inches (160 mm) maximum, and a cross-section dimension of 2 1/4 inches (57 mm) maximum.
Handrail gripping surfaces and any surfaces adjacent to them shall be free of _____ or ________ elements and shall have _______ edges.
SHARP, ABRASIVE, ROUNDED
505.8 Handrails, Surfaces - Handrail gripping surfaces and any surfaces adjacent to them shall be free of sharp or abrasive elements and shall have rounded edges.
T / F - Handrails shall not rotate within their fittings.
TRUE
505.9 Handrails, Fittings - Handrails shall not rotate within their fittings.
Handrail gripping surfaces shall extend ______ and in the ____ _________ of stair flights and ramp runs in.
BEYOND, SAME DIRECTION
505.10 Handrails, Handrail Extensions - Handrail gripping surfaces shall extend beyond and in the same direction of stair flights and ramp runs in accordance with 505.10.
Handrail extensions shall not be required for __________ handrails at the ______ turn of __________ or ______ stairs and ramps.
CONTINUOUS, INSIDE, SWITCHBACK, DOGLEG
505.10 Handrails, Handrail Extensions - Handrail gripping surfaces shall extend beyond and in the same direction of stair flights and ramp runs in accordance with 505.10.
EXCEPTIONS:
1. Extensions shall not be required for continuous handrails at the inside turn of switchback or dogleg stairs and ramps.
2. In assembly areas, extensions shall not be required for ramp handrails in aisles serving seating where the handrails are discontinuous to provide access to seating and to permit crossovers within aisles.
3. In alterations, full extensions of handrails shall not be required where such extensions would be hazardous due to plan configuration.
In assembly areas, handrail extensions shall not be required for ramp handrails in aisles serving seating where the handrails are _____________ to provide access to seating and to permit __________ within aisles.
DISCONTINUOUS, CROSSOVERS
505.10 Handrails, Handrail Extensions - Handrail gripping surfaces shall extend beyond and in the same direction of stair flights and ramp runs in accordance with 505.10.
EXCEPTIONS:
1. Extensions shall not be required for continuous handrails at the inside turn of switchback or dogleg stairs and ramps.
2. In assembly areas, extensions shall not be required for ramp handrails in aisles serving seating where the handrails are discontinuous to provide access to seating and to permit crossovers within aisles.
3. In alterations, full extensions of handrails shall not be required where such extensions would be hazardous due to plan configuration.
In ___________, full extensions of handrails shall not be required where such extensions would be _________ due to plan configuration.
ALTERATIONS, HAZARDOUS
505.10 Handrails, Handrail Extensions - Handrail gripping surfaces shall extend beyond and in the same direction of stair flights and ramp runs in accordance with 505.10.
EXCEPTIONS:
1. Extensions shall not be required for continuous handrails at the inside turn of switchback or dogleg stairs and ramps.
2. In assembly areas, extensions shall not be required for ramp handrails in aisles serving seating where the handrails are discontinuous to provide access to seating and to permit crossovers within aisles.
3. In alterations, full extensions of handrails shall not be required where such extensions would be hazardous due to plan configuration.
Ramp handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beyond the top and bottom of ramp runs.
505.10.1 Handrails, Top and Bottom Extension at Ramps - Ramp handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beyond the top and bottom of ramp runs. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent ramp run.
Ramp handrail extensions shall return to a ____, _____, or the _______ _______, or shall be __________to the handrail of an adjacent ramp run.
WALL, GUARD, LANDING SURFACE, CONTINUOUS
505.10.1 Handrails, Top and Bottom Extension at Ramps - Ramp handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beyond the top and bottom of ramp runs. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent ramp run.
At the top of a _____ ______, handrails shall extend horizontally above the landing for ___ ______ minimum beginning ________ above the first riser nosing.
STAIR FLIGHT, 12 INCHES, DIRECTLY
505.10.2 Handrails, Top Extension at Stairs - At the top of a stair flight, handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beginning directly above the first riser nosing. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.
Stair top handrail extensions shall return to a ____, _____, or the _______ _______, or shall be __________ to the handrail of an adjacent stair flight.
WALL, GUARD, LANDING SURFACE, CONTINUOUS
505.10.2 Handrails, Top Extension at Stairs - At the top of a stair flight, handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beginning directly above the first riser nosing. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.
At the bottom of a stair flight, handrails shall extend at the _____ of the stair flight for a horizontal distance at least equal to ___ _____ _____ beyond the last riser nosing.
SLOPE, ONE TREAD DEPTH
505.10.3 Handrails, Bottom Extension at Stairs - At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing. Extension shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.
Stair bottom handrail extensions shall _______ to a wall, guard, or the landing surface, or shall be continuous to the ________ of an adjacent stair flight.
RETURN, HANDRAIL
505.10.3 Handrails, Bottom Extension at Stairs - At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing. Extension shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.
