This article is about Material Selection & Technical Specification of Cable Tray Firewall Barriers for commercial buildings, plants and refinery projects as per international codes and standards.
Cable Tray Firewall Barriers Technical Specification & Requirements
| Openings around electrical penetrations through fire-resistant-rated walls, partitions, floors, or ceilings shall be firestopped using approved methods to maintain the fire resistance rating. (NEC 300.21) |
| Firestops for substation buildings shall have a minimum 2 hour fire rating. |
| The materials shall be stored in a cool dry place out of direct sunlight. (NEC 300.21) |
| Materials used in firestop systems are to be stored in accordance with any additional manufacturer’s instructions provided with the materials. (NEC 300.21) |
General Requirements
| Electrical materials shall be new and unused. |
| Electrical materials shall be in accordance with the Saudi Aramco-approved project-specific design drawings, diagrams, schedules, lists, databases, and associated documents. |
| Electrical materials shall be free of damage. |
| Electrical materials shall conform to all applicable requirements, standards, and specifications prior to release to be used as part of the work. |
| Electrical materials shall be identified by using tags, stamps, color coding, stencils or labels. The location and method of identification shall not affect the function or quality of the materials. |
| Electrical materials shall be traceable from the manufacturer and supplier through delivery, storage, fabrication, erection, installation, repair, modification and use. |
International Codes & Standards
| 1. NFPA 70 – National Electrical Code (NEC) |
| 2. SAES-P-104 – Wiring Methods and Materials |
| 3. SAES-P-119 – Onshore Substations |