Case Studies

Tower Modification & Structural Re-analysis

Project Overview

Celnet conducted structural reanalysis and modification on an existing tower to accommodate additional telecom equipment. The project ensured compliance with ANSI/TIA-222-H standards, preserved operational continuity, and positioned the structure for future expansions.

Scope of Work

  • Structural reanalysis per ANSI/TIA-222-H
  • Installation of new guy anchor shafts
  • Tower height extension and load reinforcements
  • Guy wire upgrades and steel leg reinforcements
  • Safety system installation and documentation
  • Inspection coordination and project close-out

Execution Highlights

Teams performed comprehensive engineering reanalysis to confirm capacity for current and projected loads. The tower was extended from 255 feet to 335 feet, with guy wires reinforced at 285’ and 325’ elevations, plus steel leg upgrades between 120’ and 160’. A full-height safety climb cable was installed, supported by daily JSA/JHA meetings, Class IV rigging plans, and detailed records including MTRs and calibrations. Materials, crews, and close-out reports were managed to adhere to timelines.

Results

  • Tower achieved ANSI/TIA-222-H compliance for present and future loads
  • Passed all regulatory and safety inspections
  • Delivered on schedule and within budget
  • Supports Celnet’s annual delivery of 100+ TIA modification projects with certified crews (NWSA TTT-1, OSHA 30, RF Awareness)

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