Crossover stairs and platforms

Safely overcome virtually any obstacle with OSHA-compliant crossover systems.

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OSHA compliance

Our crossover systems are designed to comply with the current OSHA regulations for general industry. The regulations governing our crossover products are covered in Standard 1910, Subpart D, Walking-Working Surfaces:

1910.22 - General requirements
1910.25 - Stairways
1910.28 - Duty to have fall protection
1910.29 - Fall protection systems

Types of crossovers stairs and platforms

Crossovers, also called crossover bridges, are available with a choice of bolted metal stairs or alternating tread stairs. Alternating tread stair crossovers are available with 68° stairs (steel or aluminum) or 56° (steel only.)

How to choose the best type of crossover stair for your application


More space? Choose standard stairs

Choose standard stairs for applications without space restrictions. They require more space to install than alternating tread stairs but they are also the most comfortable to use.

Less space? Choose alternating tread stairs

For applications where space is limited, choose alternating tread stairs. 68° alternating tread stairs require the least amount of space but the steeper angle is less comfortable to use. The less steep angle of 56° alternating tread stairs is more comfortable to use while also requiring less space.


DIMENSIONS OF
THE OBSTACLE YOU
NEED TO CLEAR
(HEIGHT X LENGTH)
OVERALL LENGTH OF THE CROSSOVER SYSTEMS
THAT MEET YOUR CLEARANCE REQUIREMENT
68° ALTERNATING
TREAD STAIR
56° ALTERNATING
TREAD STAIR
OSHA-COMPLIANT
STANDARD STAIR
42" X 24"
70"
90"
106"
42” X 48”
94"
114"
130"
48” X 24”
75"
98"
126"
48” X 48”
99"
122"
150"
54” X 24”
80"
106"
128"
54” X 48”
110"
136"
158"
60” X 24”
84"
113"
144"
60” X 48”
108"
137"
168"
66” X 24”
89"
122"
146"
66” X 48”
113"
146"
170"
72” X 24”
94"
130"
164"
72” X 48”
118"
154"
188"
78” X 24”
99"
138"
194"
84” X 36”
128"
170"
206"

NOTE: This chart is intended for illustrative purposes only; all measurements are rounded up to the nearest inch.

What does OSHA say about crossover stairs?

OSHA classifies alternating tread stairs (alternating tread devices) as non-standard stairs and states they are acceptable to use in applications where it is not feasible to use standard stairs.

§1910.25(b)(8)

How to choose the best type of stair for your application


More space? Choose standard stairs

Choose standard stairs for applications without space restrictions. They require more space to install than alternating tread stairs but they are also the most comfortable to use.

Less space? Choose alternating tread stairs

For applications where space is limited, choose alternating tread stairs. 68° alternating tread stairs require the least amount of space but the steeper angle is less comfortable to use. The less steep angle of 56° alternating tread stairs is more comfortable to use while also requiring less space.

What does OSHA say?

OSHA classifies alternating tread stairs (alternating tread devices) as non-standard stairs and states they are acceptable to use in applications where it is not feasible to use standard stairs.

§1910.25(b)(8)


DIMENSIONS OF
THE OBSTACLE YOU
NEED TO CLEAR
(HEIGHT X LENGTH)
OVERALL LENGTH OF THE CROSSOVER SYSTEMS
THAT MEET YOUR CLEARANCE REQUIREMENT
68° ALTERNATING
TREAD STAIR
56° ALTERNATING
TREAD STAIR
OSHA-COMPLIANT
STANDARD STAIR
42" X 24"
70"
90"
106"
42” X 48”
94"
114"
130"
48” X 24”
75"
98"
126"
48” X 48”
99"
122"
150"
54” X 24”
80"
106"
128"
54” X 48”
110"
136"
158"
60” X 24”
84"
113"
144"
60” X 48”
108"
137"
168"
66” X 24”
89"
122"
146"
66” X 48”
113"
146"
170"
72” X 24”
94"
130"
164"
72” X 48”
118"
154"
188"
78” X 24”
99"
138"
194"
84” X 36”
128"
170"
206"

NOTE: This chart is intended for illustrative purposes only; all measurements are rounded up to the nearest inch.

How to choose the best type of stair for your application


More space? Choose standard stairs

Choose standard stairs for applications without space restrictions. They require more space to install than alternating tread stairs but they are also the most comfortable to use.

Less space? Choose alternating tread stairs

For applications where space is limited, choose alternating tread stairs. 68° alternating tread stairs require the least amount of space but the steeper angle is less comfortable to use. The less steep angle of 56° alternating tread stairs is more comfortable to use while also requiring less space.

What does OSHA say?

OSHA classifies alternating tread stairs (alternating tread devices) as non-standard stairs and states they are acceptable to use in applications where it is not feasible to use standard stairs.

§1910.25(b)(8)


DIMENSIONS OF
THE OBSTACLE YOU
NEED TO CLEAR
(HEIGHT X LENGTH)
OVERALL LENGTH OF THE CROSSOVER SYSTEMS
THAT MEET YOUR CLEARANCE REQUIREMENT
68° ALTERNATING
TREAD STAIR
56° ALTERNATING
TREAD STAIR
OSHA-COMPLIANT
STANDARD STAIR
42" X 24"
70"
90"
106"
42” X 48”
94"
114"
130"
48” X 24”
75"
98"
126"
48” X 48”
99"
122"
150"
54” X 24”
80"
106"
128"
54” X 48”
110"
136"
158"
60” X 24”
84"
113"
144"
60” X 48”
108"
137"
168"
66” X 24”
89"
122"
146"
66” X 48”
113"
146"
170"
72” X 24”
94"
130"
164"
72” X 48”
118"
154"
188"
78” X 24”
99"
138"
194"
84” X 36”
128"
170"
206"

NOTE: This chart is intended for illustrative purposes only; all measurements are rounded up to the nearest inch.



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