Aerial Towers
Southern Cross Free standing, Galvanised steel, Pre-fabricated Aerial Towers
for Radio transmitting, and Recieving aerials
Television aerials
Flood lighting
Designed and fabricated to conform with the following Australian Standards Code
| A.S. 1250 Steel Structures Code | A.S. 1170 Pt2 Wind Loading Code |
| A.S. 1480 Concrete Structures Code (foundations) | A.S. 1660 Galvanised Coatings on Ferrous Articles |
| A.S. 1110 Metric Precision Bolts and Screws | A.S. CB2 Crane and Hoist Code |
| within specified head loading limitations and certified as sutable for maximum requirements of 40 m/sec wind terrain category | |
Southern Cross AVD Aerial Towers are suitable for a wide variety of applications including communications and floodlighting towers for fire brigade, ambulance, police, taxis and airports as well as supports for television aerials for homes beyond the low aerial range being safe, free standing and long lasting structures.
EASY TO ERECT: Hinged sole plates allow up to 21 metres of tower to be assembled on the ground and then raised into position. Also towers up to 21 metres high can be lowered for alterations to aerials etc. For higher towers to be only the bottom 21 metres should be assembled on the ground and then raised into position and once fully erected should not be lowered. Concrete foundations must be used. Towers can be supplied with 3 fixed soleplates, 2 hinged and one fixed soleplate or 3 angle steel anchor posts. All leg sections of the tower are approximately 3 metres long for convenience in transportation and handling. The various sections are supplied in bundles for assembly and erection on site (except for the top stub tower section which is a welded assembly.
NO GUY WIRES: Southern Cross Aerial Towers are entirely self- supporting and require no guy wires.
HOT-DIPPED GALVANISED: All components of Southern Cross Aerial Towers including legs, girts, braces, soleplates, bolts, nuts and washers are hot dipped galvanized (to Australian Standard Code AS1650) after fabrication to resist rusting and corrosion.
AERIAL MOUNTING: A one metre section of 50NB pipe protrudes from the top of stub tower assembly for mounting of aerials etc.
STANDARD SIZES:
Nominal Height |
Actual Height |
Approx Packed |
||
of Tower |
Above Ground |
Mass |
||
Metres |
Feet |
Metres |
Feet |
(Kilograms) |
9 |
30 |
9.43 |
30.93 |
277 |
12 |
40 |
12.36 |
40.54 |
374 |
15 |
50 |
15.29 |
50.15 |
480 |
18 |
60 |
18.22 |
59.76 |
605 |
21 |
70 |
21.15 |
69.37 |
752 |
24 |
80 |
24.08 |
78.98 |
926 |
27 |
90 |
27.02 |
88.62 |
1122 |
30 |
100 |
29.95 |
98.24 |
1349 |
SPECIAL TOWERS : Towers similar to the standard range listed above can be supplied by Ellis Tanks to accept higher head and wind loading conditions to suit customer requirements and to meet S.A.A loading code conditions for particular areas.
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