Ground Sleeve Installation
a.k.a. Ground Mount, Foundation Mount or Groundset

Ground mounted installations

Ground Mount
The embedded, or Groundset, mount is the method of choice for mounting aluminum flagpoles at grade. Flagpole shafts so mounted have a higher wind speed rating than the same shafts base-plate mounted.

Specifications:
2.3 A FOUNDATION TUBE: Fabricated from 16 ga. galvanized steel, with a steel base plate whose square dimension is at least the internal diameter of the sleeve plus 4''. A setting plate 6'' square shall be securely welded to the ground spike at least 6'' below the base plate. The ground spike shall be 3/4'' diameter, not less than 18'' long.

1. Provide spun aluminum collar, Type FC-11, finished to match flagpole shaft. Diameter shall be at least 1'' greater than diameter of sleeve.

Ground Sleeve Specifications
Shaft Foundation Dimensions
HEIGHT BUTT DIAMETER SLEEVE DIAMETER DEPTH A DEPTH B DEPTH C
20' 4" 6" 3' 6" 30" 24"
20' 5" 8" 3' 6" 30" 24"
25' 5" 8" 3' 6" 30" 24"
25' 5.5" - 6" 10" 3' 6" 30" 24"
30' 5" 8" 3' 6" 30" 24"
30' 6" 10" 3' 6" 30" 24"
35' 5" 8" 4' 0" 36" 30"
35' 6" - 7" 10" 4' 0" 36" 30"
40' 7" 10" 4' 6" 42" 36"
40' 8" 12" 4' 6" 42" 36"
45' 8" 12" 5' 0" 48" 42"
50' 8" 12" 5' 6" 48" 42"
50' 10" 15" 5' 6" 48" 42"
60' 10" - 12" 15" 6' 10" 48" 42"
70' 10" - 12" 15" 8' 0" 60" 48"
80' 12" 15" 9' 0" 60" 48"

 

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