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VIDEOSURVEILLANCE SYSTEMS
SENTRY
WAY
®
CT V2 001
Page 19 of 70
System Installation Guide
3. Site evaluation and planning
3.1 Overview
A good installation is always preceded by good preliminary planning. A comprehensive site survey and a set
of floor plans are valuable assets for system planning. It is essential to determine the location best suited for
the system run(s), and to identify the type of ceiling or roof structure from which it will be suspended, prior to
specifying the required mounting materials. Proper planning will ensure that you have an adequate supply of
mounting materials on hand, before starting the installation, to minimize delays.
A system run can be installed either in parallel with, or perpendicular to, bar joists, steel beams, preformed
concrete beams, or C– Purlin beams. A flat corrugated
steel roof is yet another possibility which will require its
own alternative method of installation.
The instructions in Sections 3 and 4 detail specific
installation methods suitable for the majority of roof and
ceiling types.
Figure 3-1 illustrates a typical steel beam type of roof
support structure. Since spacing between beams and
the distance between the beams and the floor can vary
greatly, close attention to these variables is important
when planning for sufficient mounting material. Read the
following installation instructions first before deciding
on the best mounting method and materials to use.
Figure 3-2 illustrates a typical bar joist type of roof
support structure. Mounting to this type of support will
not require drilling into the bar joist
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