Tower climbers must only climb towers certified by the manufacturer to meet the specifications of the Telecommunications Industry Association's TIA 222-H, Structural Standard for Antenna Supporting Structures, Antennas and Small Wind Turbine Support Structures, for towers and. Tower climbers must only climb towers certified by the manufacturer to meet the specifications of the Telecommunications Industry Association's TIA 222-H, Structural Standard for Antenna Supporting Structures, Antennas and Small Wind Turbine Support Structures, for towers and. This section applies to all Reclamation employees, contract workers, contractors, and subcontractors that work on communication towers, antennas, and antenna supporting structures, where workers are exposed to potential falls at heights. General Requirements Each region must designate a. Pursuant to the OSH Act, employers must comply with safety and health standards and regulations issued and enforced either by OSHA or by an OSHA-approved state plan. In addition, the Act's General Duty Clause, Section 5(a) (1), requires employers to provide their employees with a workplace free. Statement - Joint FCC OSHA Statement on Tower Climber Safety Guide. The tower climbing policy sets the standards for the program and is to be considered official MT2W policy. The Occupational Safety and Health Administration (OSHA) does not issue tower climbing certifications directly.