TECHNICAL

CHAPTER 5: GENERAL SITE AND BUILDING ELEMENTS

505.7.2 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 6¼ inches (160 mm)

maximum, and a cross-section dimension of 2¼ inches (57 mm) maximum.

505.8 Surfaces.

Handrail gripping surfaces and any surfaces adjacent to them shall be free of sharp or

abrasive

elements

and shall have rounded edges.

505.9 Fittings.

Handrails shall not rotate within their fittings.

505.10 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.

505.10.1 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.

Figure 505.7.2

Handrail Non-Circular Cross Section

156

2010 Standards: Titles II and III

Department of Justice