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CLAMP
SURFACE
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Junction Block (9)
GROUND POLE INSTALLATION
2³⁄₈” O.D. x 72” LONG
72
37
d
36
1" to 2"
SLOPE FOR
WATER RUN OFF
GRADE
BELOW
FROST LINE
OVAL END
MIN.
DIA.
2³⁄₈" O.D.
PIER
FOUNDATIONS
72
37
d
48"
1" to 2"
SLOPE FOR
WATER RUN OFF
GRADE
BELOW
FROST LINE
OVAL END
MIN.
DIA.
NOTE:
48" may be
increased, concrete
and length of rebar
will increase
accordingly.
2³⁄₈" O.D.
DEEP
FROST LINE
FOUNDATIONS
(SEE NOTE)
1-1.5"
APPROX.
2"
(4) #3 x 24" MIN.
AT 90˚ APART
(SEE NOTE)
2 11
PARTS AND HARDWARE LISTING
FIG. 4.1 - ANTENNA, ANTENNA FEED (LNB) & FEED SUPPORT LEGS
ANT WIND VEL. DIM “d” CONC VOL. DIM “d” CONC VOL. GROUND POLE
80 MPH 9” 1.5 FT
3
7” 1.2 FT
3
90 MPH 11” 2.2 FT
3
7” 1.2 FT
3
Mo. 611652931
90cm 100 MPH 13” 3.0 FT
3
8” 1.5 FT
3
110 MPH 15” 4.0 FT
3
10” 2.4 FT
3
SEE NOTE 1
125 MPH 18” 5.8 FT
3
12” 3.5 FT
3
80 MPH 10” 1.8 FT
3
7” 1.2 FT
3
Mo. 611652931
1.0M 90 MPH 13” 3.0 FT
3
8” 1.5 FT
3
100 MPH 15” 4.0 FT
3
9” 1.9 FT
3
SEE NOTE 2
108 MPH 16” 4.6 FT
3
10” 2.4 FT
3
PIER FOUNDATIONS DEEP FROST LINE FOUNDATIONS
POLE SPECIFICATIONS:
2” SCH 40 2³⁄₈” O.D. x .154 Wall x 72” Long Steel - CM PN 611652931 w/Oval End and
Powder Paint Finish.
1. When wind velocity exceeds 108 MPH on the 90cm antenna at heights shown, the
ground pole must be a heavy wall pipe as follows: 2” pipe (2³⁄₈” O.D.) Schedule 80
(.218” wall thickness) and purchased locally. Field weld ¹⁄₄ x 1¹⁄₂ x 5 key as shown in
Fig. 1.0 to prevent rotation in the concrete or use 3” O.D. ground pole and AZ/EL cap.
2. These charted values based on using Model 611652931 ground pole, 2.375 O.D. x
1.54 wall. When wind velocity exceeds 108 MPH, use 3” O.D. ground pole and AZ/EL
cap.
3. Pole and foundation design based on the following criteria: (a) Uniform Building
Code Exposure C and 1.5 stability factor, (b) Vertical soil pressure of 2000 pounds
per square foot, (c) Lateral soil pressure of 400 pounds per square foot, (d) Concrete
compressive strength of 2500 pounds per square inc h in 28 days.
4. CAUTION - The foundation design shown does not represent an appropriate design
for any specific locality since soil conditions vary and may not meet design criteria
given in Note 1. You should consult a local professional engineer to determine your
soil conditions and appropriate foundation.
6"
APPROX.
KEY
¹⁄₄ x 1¹⁄₂ x 5
FIELD WELD
.21
.21
FIG. 1.0
ITEM DESCRIPTION QTY.
4 LEG BOTTOM (90cm) 1
4 LEG-BOTTOM-FEED (1.0m) 1
4 LEG-BOTTOM-FEED (1.2m) 1
5 REFLECTOR-SMC 1.0m 1
5 REFLECTOR-SMC 1.2m 1
5 REFLECTOR-SMC 90cm 1
6 LEG-SIDE-FEED (1.0m) 2
6 LEG-SIDE-FEED (1.2m) 2
6 LEG-SIDE-FEED (90cm) 2
7 BOLT-HEX M6 x 30 4
8 WASHER, FLAT ¹⁄₄”x ⁷⁄₈”2
9* BLOCK-JUNCTION 1
10 WASHER-FLAT ¹⁄₄”x ³⁄₄”O.D. 2
11* CLAMP-HALF-JCT. 1
12* BOLT HH M6 x 20 2
13* WASHER-FLAT M6 x ¹⁄₂”O.D. 2
14* KU-FEED ASSY. 1
15 SCREW-TPG-SPL M6 1
*Provided in feed assembly.