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Recommended Seismic Bracing for Moroccan Cable Trays

Fiber and communications infrastructure knowledge brief Published 17 Oct 2020

Use this reference to prepare product questions for CJC FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

For Moroccan cable tray installations, Eaton TOLCO, Cablofil Wiremesh, and Legrand/Cablofil Wire Rope/Cable™ seismic bracing systems are recommended, providing code-compliant, fast, and reliable protection against earthquake-induced movement. Key Seismic Bracing Options1.

Eaton TOLC

O Seismic Bracing Eaton's B-Line series cable trays combined with TOLCO seismic bracing offer a fully tested and approved system suitable for both new construction and retrofit projects. The system includes bolted framing, hold-down clamps, and guides designed for seismic applications. Bracing is installed in two directions: lateral (transverse) and longitudinal, with rod stiffeners to maintain structural integrity.

Eaton provides pre-approved assembly drawings and engineering services, including PE stamps, to ensure compliance with building codes such as IBC, ASCE 7, and NFPA 13, which are widely recognized internationally. 2. Cablofil Wiremesh Cable Tray Seismic Kits Cablofil Wiremesh trays are lightweight yet strong, adaptable to complex configurations.

Their seismic bracing kits include trapeze installations with 3/8" threaded rods and sway bracing attachments. Predrilled tabs allow direct attachment to concrete decks, with recommended spacing every 30 feet. This system is designed for fast installation and flexibility in routing, making it suitable for Moroccan industrial and commercial projects.

3.

Legrand/

Cablofil Wire Rope/Cable™ Bracing This system uses high-strength, pre-stretched wire rope/cable assemblies with color-coded sizes (red, white, blue, yellow) corresponding to certified minimum breaking strengths. Each kit includes a stake eye, oval sleeve, and universal restraint clip (URC) for secure attachment to cable trays and building structures. The pre-stretched design acts as a shock absorber, reducing seismic loads.

Installation is faster than conventional pipe, angle, or strut bracing, and the system is UL listed and compliant with model building codes. Installation ConsiderationsTwo-directional bracing: Ensure both lateral and longitudinal braces are installed to allow the cable tray to move with the structure during seismic events. Rod stiffeners: Use rod stiffeners to maintain the strength of the bracing system.

Spacing and attachment: Follow manufacturer guidelines for spacing (e.g., every 30 feet for Cablofil) and secure attachment to structural members. Compatibility: Verify that the bracing system is compatible with the type of cable tray used (wiremesh, solid-bottom, or B-Line series). Engineering review: Engage a licensed engineer to review the bracing layout for compliance with local seismic codes and structural requirements.

Summary

For Moroccan installations, Eaton TOLCO, Cablofil Wiremesh, and Legrand/Cablofil Wire Rope/Cable™ systems provide reliable, code-compliant seismic protection for cable trays. Selection should consider tray type, installation speed, structural compatibility, and local seismic requirements, with professional engineering support recommended to ensure safety and compliance.

Recommended Seismic Bracing for Moroccan Cable Trays - CJC FIBRE CONSULTANTS [PDF]

Recommended Seismic Bracing for Moroccan Cable Trays

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This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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