Generally the top tier is to be kept for Electrical cable trays (if not provided in underground trench) and Instrument cable ducts/trays. Cable tray laying to take care of necessary clearances for the fire proofing of structure. Is your cable tray system optimized for safety, dependability, space and cost savings? Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and. The length of Pipe rack 42m is considered to avoid forces due to thermal expansion of pipe rack under ambient temperature and free to expand at ends. Our cable trays are produced in fit for purpose materials like stainless steel, galvanized, aluminium and fibreglass (FRP/GRP) composites to suit any project type both offshore and onshore. We also. To design a pipe rack, we should have the P&ID, Flow Diagram, Plot Plan, Layout Specification, Client Specification, Construction Material of the Rack, Fire Protection Requirement, and equipment details to be located around the pipe rack. Pipe Rack design starts from the designation of the width. Designed for safety and efficiency, our cable galleries securely route and protect electrical cables using durable steel structures built for long-term performance.