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Fireproofing of Serbian cable trays

Fiber and communications infrastructure knowledge brief Published 14 Oct 2022

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

Fireproof cable trays in Serbia can be implemented using E-90 rated trays, fire-resistant coatings, and proper installation practices to ensure electrical continuity and safety during fire events.

Fire-

Resistant Cable Tray Solutions

In Serbia, E-90 fireproof cable trays are available from local suppliers such as Pekom, providing 90 minutes of electrical circuit maintenance during fire exposure. These trays are designed to maintain power and data transmission in critical facilities like hospitals, airports, tunnels, and high-rise buildings. Internationally recognized solutions include: Fire-resistant coatings and tapes (e.g., FLAMMOTECT-A and DG-CR 0.

7) that form a protective shield around cables, preventing flame propagation and maintaining functionality during fire. Panel and paste systems (e.g., Tecbor® B panels or Tecbor Preparada® Joint Paste) that cover trays and cables, tested under UNE ENV 1363-1 and UL 1709 hydrocarbon heating curves, providing 90–120 minutes of electrical maintenance. Fire-resistant cable support systems (e.g., Meka Pro) tested with connected cables according to EN 1363-1, ensuring structural integrity and continued operation during fire.

Installation and Compliance Guidelines

Proper fireproofing requires adherence to technical standards and installation practices: Tray material selection: Indoor trays typically use painted steel or galvanized steel; outdoor or corrosive environments may require stainless steel, aluminum alloy, or fiberglass-reinforced plastic. Segregation of cables: Power and signal cables should be routed separately to minimize interference and ensure safety. Fireproof coatings and sealing: Coatings must be inspected periodically for integrity, and tray passages between fire sectors should be sealed to prevent fire spread.

Qualified installation: Fire-resistant systems must be installed by trained personnel following manufacturer instructions and local regulations.

Practical Considerations

Critical facilities: Hospitals, airports, tunnels, and high-rise buildings benefit most from fireproof trays to maintain essential services during emergencies. Maintenance: Regular inspection of coatings, fastenings, and tray integrity is essential to ensure ongoing fire protection. Standards compliance: Using products tested to EN 1363-1, UL 1709, or equivalent standards ensures reliability and legal compliance in Serbia and the EU.

By combining E-90 rated trays, fire-resistant coatings, and proper installation practices, facilities in Serbia can achieve robust fire protection for cable systems, ensuring safety, continuity of power, and compliance with international standards.

Fireproofing of Serbian cable trays - CJC FIBRE CONSULTANTS [PDF]

Fireproofing of Serbian cable trays

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Technical note

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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