Nortel Networks 1000M warranty Installing non-seismic bracing, Selecting the kit

Models: 1000M

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Page 358 of 456 Installing earthquake bracing

3Loosely install the pedestal mounting hardware (1/2 in. bolts, lock washer, plain washer, and insulating washer), using the plastic insulating washers.

4Re-level the column, adding or removing shims as needed. Go back and re-level any other columns.

5Repeat the above steps until all columns have been positioned.

6Slide 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).

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.

Installing non-seismic bracing involves:

1“Selecting the kit” on page 358

2“Installing a non-seismic anchor kit” on page 359

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:

NT8D64BF Floor Mounting Kit

NT8D6401 Insulating Washer Kit

NN43021-310 Standard 02.01 December 2007

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Image 358
Nortel Networks 1000M warranty Installing non-seismic bracing, Selecting the kit