Ceilometer CT25K
CT25K-U059en-2.1 User’s Guide
11
2.2 Foundation
The standard foundation for the CT25K ground installation is a concrete
foundation. The minimum dimensions suggested are presented in Figure 2-2.
Mounting hardware is included with the delivery.
Figure 2-2 Foundation Construction
There are two alternative ways to make a foundation: to cast a new or to use
an existing foundation.
- If a new foundation is laid, the M10x40 Wedge Bolts and Foundation
Screws (4 each), are suggested to be cast into the concrete so that
approx. 30 mm (1.25 in.) of the foundation screw threads stand above
the surface.
- If an existing foundation is used, four holes of diameter 12 mm and
depth 165 mm (0.5 x 6.5 in.) are drilled into the concrete. The Wedge
Bolt and Foundation Screw combinations are placed in the holes, with
Wedge Bolts down; the protruding threads are alternately hammered
and tightened a few times so that the Wedge Bolts attach to the hole
walls.
In case the CT25K replaces a CT12K Ceilometer, the existing foundation and
screws can be used.
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