Nortel Meridian 1 Option 11C Planning And Installation Manual page 91

Bracing cabinets against earthquakes
Contents
General information
Method for earthquake bracing
This section contains information on the following topics:
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Method for earthquake bracing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This chapter provides important information for bracing the Option 11C
system cabinets against earthquakes. Cabinets must be mounted on the wall
in order to meet earthquake protection requirements.
Earthquake bracing is performed by securely fastening a 3/4 in.(20 mm) sheet
of plywood to the wall, then placing the system components on the backboard
(not attaching them directly to the wall).
Procedure 1
Method for earthquake bracing Option 11C system cabinets
1 Determine the size of the backboard.
You will need a backboard that is large enough to accommodate all of
your wall-mounted components. To determine the size of your
backboard, refer to the wall plan that you developed according to the
guidelines given in "Earthquake bracing requirements" on page 37. If
you have not developed a wall plan, please do so immediately.
When you have determined the required backboard size, make sure it
is within the following limits:
Option 11C Planning and Installation Guide
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