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Lapeyre Aluminum alternating tread stairs Assembly Instructions page 4

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Platform Instructions
Installation
1)
Assemble the stair according to the
instruction sheet.
2)
Attach the guard rails to the platform using
the supplied 1/2''-13 x 1-1/2'' bolts, lock
washers and flat washers. Bolts should be
tightened to 35 ft-lbs.
3)
At this point, you may paint or coat the
platform, if desired.
4)
Attach the stair to the platform using
the 1/2''-13 x 1-1/2'' bolts, lock washers,
flat washers, and nuts supplied by
Lapeyre Stair.
5)
It is extremely important for the vertical
stability of the platform that the handrail
clamps be installed properly. Place the
clamps as high as possible on the rail, as
shown. Using a 1/2'' socket and ratchet,
tighten to 20 ft-lbs.
6)
Prepare the floor mounting holes in the
building site. As a guide, use the bolt
pattern for the footing shown on the stair
instruction sheet.
7)
Position the unit as required. Using studs
or bolts (minimum 1/2'' diameter), secure
the stair in place.
8)
Lapeyre Stair recommends customer
supplied sway bracing* for straight
crossover platforms. This is to insure
the stability of the platform unit. Use 1/2''
diameter bolts to secure 1-1/4'' x 3/16''
angle braces to the platform and an
immovable object. Mounting holes are
located in several locations for your
convenience.
* Crossover Sway Bracing now available for
purchase. Call customer service for pricing.
9)
Lapeyre Stair recommends customer
supplied bracing for all other platforms.
Exit, intermediate and special crossover
platforms must have legs for support.
STEP 5
CROSSOVER SWAY BRACING
© 2005 Lapeyre Stair, Inc. L-22284-LS

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