Nortel Networks 1000M User Manual
Page 358 of 456
Installing earthquake bracing
NN43021-310
Standard 02.01
December 2007
3
Loosely install the pedestal mounting hardware (1/2 in. bolts, lock
washer, plain washer, and insulating washer), using the plastic insulating
washers.
washer, plain washer, and insulating washer), using the plastic insulating
washers.
4
Re-level the column, adding or removing shims as needed. Go back and
re-level any other columns.
re-level any other columns.
5
Repeat the above steps until all columns have been positioned.
6
Slide shims completely under seismic plates. First tighten the pedestal
mounting bolts, torque to 122 J (90 ft-lb). Then, tighten the concrete
anchors, torque to 48 J (35 ft-lb).
mounting bolts, torque to 122 J (90 ft-lb). Then, tighten the concrete
anchors, torque to 48 J (35 ft-lb).
End of Procedure
Installing non-seismic bracing
In certain applications where earthquakes do not occur, the pedestal
attachment to the floor does not have to meet Bellcore or California OSHPD
requirements. This application could include attachment to a raised wood or
steel floor using the kits described below.
attachment to the floor does not have to meet Bellcore or California OSHPD
requirements. This application could include attachment to a raised wood or
steel floor using the kits described below.
Installing non-seismic bracing involves:
1
2
Selecting the kit
If the installation does not have to meet the Bellcore or OSHPD requirements,
the installer can design and install an attachment suitable for the particular
installation using:
the installer can design and install an attachment suitable for the particular
installation using:
•
NT8D64BF Floor Mounting Kit
•
NT8D6401 Insulating Washer Kit