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RF safety specifications for
roof non-penetrating mount
installations
CAUTION
• Access to any roof installation must be limited by a door
or a permanently fastened ladder that is locked to deny
access to the general public.
• All roofed installations will carry a Radiation Hazard
Caution Sign on the access door or permanently
mounted ladder that is within plain sight of anyone
approaching the installation from the front of the
reflector.
Installing on rubber membrane, loose gravel on rubber
membrane, or tar and gravel roof
1. If the cap sheet is covered with gravel, use a push broom or
snow shovel to clear the gravel from the area where the
mount will be installed, as shown in Figure 3.
2. Place the pad on the roof surface where the mount will be
assembled. Remember to use the thicker foam pad if
installing on a tar and gravel roof.
3. Assemble the mount according to the manufacturer's
instructions. The entire mount base must rest on the rubber
pad.
4. Place the concrete blocks on the mount as specified by the
ballast calculator tool or calculation method. Use the amount
of ballast called for by the ballast calculator software tool.
5. Use a level to verify that the mast is vertical. Apply the level
in at least two locations at right angles to each other (see
Figure 4). If the mounting surface is not level, use any
manufacturer-provided adjustments (leveling screws) or
shims until the mount is level.
6. When the mount installation is complete, replace any gravel
up to the outside edges of the mount. Do not replace gravel in
the area inside the mount base. Leave the rubber pad exposed.
7. Place the Radiation Hazard Caution Sign on the access door
or permanently mounted ladder so that is within plain sight of
anyone approaching the installation from the front of the
reflector.
Chapter 4 • Installing mounts
1035678-0001 DRAFT Revision 1.04
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