Neptune R450 MC, Installation And Maintenance Manual

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Appendix B
70 R450 Mini Collector Installation and Maintenance Guide
Rohn Industries Stand – Part # JRM23855
The following table shows the U.S. standard and metric requirements
for the Rohn Industries Stand – Part # JRM23855.
Table 15 Rohn Industries Stand
Concrete Block Requirements
This table assumes 10 ft.
2
(.93 m
2
) projected area with the centoid at
4 feet (1.22 M) up from roof.
Reference:
• JRM Allowable Antenna Areas
• Rohn Drawing #A981812
This table assumes 10 ft
2
(.93 m
2
) projected area with the centoid at
4 ft.(1.22 m) up from roof.
Reference:
The stand must be secured to the building structure
before operation.
Standard
U.S.
Measurements
Wind Speed
(mph)
Ballast
(lbs)
8-inch x 8-inch x 16-inch
Concrete Block
(27.5lbs. ea.)
58 250 9
68 350 13
77 450 16
86 550 20
93 650 24
100 750 27
Metric Measurements
Wind Speed
(kph)
Ballast
(kg)
20 x 20 x 20 cm
Concrete Block
(12.5 kg ea.)
93 113 9
109 159 13
124 204 16
138 249 20
150 295 24
161 340 27
Figure 78 Rohn Industries Stand