Steel crank-up self-supporting towers


Description Tower height in fully unfolded position, max., m Tower height with fixed turbular section, m Tower height in folded (transport) position, m Number of Sections Bottom section horizontal size, mm Top section horizontal size, mm Tower weight, kg
Section length 3 m
CT-S3-3-3000 8.0 10.0 3.4 3 408 200 198
CT-S3-4-3000 10.5 12.5 3.6 4 512 200 288
CT-S3-5-3000 13.0 15.0 3.8 5 616 200 388
CT-S3-6-3000 15.5 17.5 4.0 6 720 200 504
Section length 3 m, reinforced
CT-S3-3X-3000 8.0 10.0 3.4 3 512 304 240
CT-S3-4X-3000 10.5 12.5 3.6 4 616 304 338
CT-S3-5X-3000 13 15.0 3.8 5 720 304 455
Section length 3.5 m
CT-S3-3-3500 9.5 11.5 3.9 3 408 200 232
CT-S3-4-3500 12.5 14.5 4.1 4 512 200 337
CT-S3-5-3500 15.5 17.5 4.3 5 616 200 452
CT-S3-6-3500 18.5 20.5 4.5 6 720 200 589
Section length 3.5 m, reinforced
CT-S3-3X-3500 9.5 11.5 3.9 3 512 304 280
CT-S3-4X-3500 12.5 14.5 4.1 4 616 304 395
CT-S3-5X-3500 15.5 17.5 4.3 5 720 304 531
Section length 5 m
CT-S3-2-5000 9.2 11.2 5.2 2 304 200 231
CT-S3-3-5000 13.4 15.4 5.4 3 408 200 331
CT-S3-4-5000 17.6 19.4 5.6 4 512 200 481
CT-S3-5-5000 21.8 23.8 5.8 5 616 200 646
CT-S3-6-5000 26.0 28.0 6.0 6 720 200 841
Section length 5 m, reinforced
CT-S3-2X-5000 9.2 11.2 5.2 2 408 304 249
CT-S3-3X-5000 13.4 15.4 5.4 3 512 304 399
CT-S3-4X-5000 17.6 19.4 5.6 4 616 304 564
CT-S3-5X-5000 21.8 23.8 5.8 5 720 304 759

 

 

CT-S3-xx series Crank-up steel self-supporting towers is a  Communication Technologies unique solution for stationary and rapid mobile deployment of heavy and super-heavy HF-antennas, lighting systems and cellular base station’s (BTS) antennas.

Tower sections are steel triangular-shape hot-dip galvanized constructions with 200, 300, 400, 500, 600,700 mm side width and 3, 3,5 or 5 m length.  Section’s vertical legs are made of high strength seamless steel tubing with 40 mm outer dia. and wall thickness of 4 – 6 mm. Horizontal braces are made of serpentine Z-shaped structures of 18 mm circle and 14 x 4 mm tubing.

Tower height in fully unfolded position is 8 to 28 m depending on the chosen configuration (3,3 m to 5,75 m in assembled or folded (transport) position).

Max. equipment load at 26 m Tower height top:

  • self-supporting Tower applications — 200 kg max.;
  • guyed-Tower applications — 400 kg max.

Required deployment area:

  • self-supporting Tower applications — 2x2 m square;
  • guyed-Tower applications — 5 to 15 m dia. сircle.

Based on installation options, tower top sectioned may be provided in 3 different configurations: 

Section with Basket Section with Mast Section with Basket
Section with Mounting Plate Section with Mast Section with Basket

In stationary application, the tower is installed on a pre-prepared concrete foundation with an integrated hinged base for lifting up from a horizontal state.  Foundation calculation is made based on a selected tower structure model and planned equipment to be installed . Tower installation is not a time-consuming procedure as it is shipped in a fully assembled condition, taking into account that, depending on the tower weight and size, machinery use may be required.

For mobile application, either a hinged mount fixed on the ground or mount to the vehicle body may be used, depending on tower height and total weight. To reduce the load on the tower base, a tier of guy wires may be used.

All CT-S3xx series towers are equipped with mechanical erection systems (i.e. mechanical winches) installed on the lowest section. At the Customer's discretion, the mechanical system can be replaced by an electrical one. Required deployment time to put tower from the assembled state to the full operational height does not exceed 5-10 mins.

Tower installation on a vehicle Tower installation on a trailer
Tower installation on a vehicle Tower installation on a trailer

Since Steel Crank-up Self-supporting Towers have a wide range of applications, options for mounting antenna and other equipment are agreed with the Customer at the stage of order formation.