Installing Belgian cable trays involves careful planning, material preparation, proper mounting, alignment, and inspection to ensure safety and compliance with standards.

1. Planning and Preparation

Before starting installation, review approved shop drawings to determine tray routes, lengths, and locations, ensuring horizontal and vertical runs are clearly marked and coordinated with other services . Inspect the site for accessibility, safety, and clearance requirements, and install safety barriers and warning signs as needed . Confirm that all materials, including trays, ladders, and accessories, match approved submittals and are free from damage or defects .

2. Material Handling and Storage

Store cable trays and accessories in a covered, dry area to prevent corrosion or damage. Place trays horizontally on flat surfaces with timber supports at intervals of about 1 meter, and protect them from sunlight and moisture . Ensure all tools and equipment comply with contract requirements and are ready for use.

3. Mounting Supports

Mark support locations according to the approved layout. Use threaded rods, metal plugs, 'L' angles, or slotted 'C' channels to secure supports. Maintain a maximum distance of 1.2 meters between supports to prevent sagging, and provide additional support for bends, branches, and offsets . Ensure supports are level and aligned with the tray route.

4. Tray Installation

Install trays carefully, aligning them straight and level. Use connectors, expansion fittings, and approved accessories to join sections. Ladder-type trays allow airflow and easy cable entry, while perforated or solid-bottom trays are suitable for lighter loads or specific environments . Handle trays carefully to avoid coating damage, and use rollers for long cable runs to prevent kinks .

5. Cable Laying and Labeling

Identify each tray by feeder name and branch number. Lay cables according to spacing guidelines, ensuring proper separation and avoiding overcrowding. Install bonding jumpers and apply protective painting to cut ends if necessary . Tag and label trays for easy identification and future maintenance.

6. Inspection and Quality Verification

After installation, inspect all trays, supports, and accessories for alignment, level, and conformance with approved designs . An engineer or client representative should verify the installation, and all inspection results should be documented and photographed for records . Ensure grounding connections are properly installed and that the system meets safety and quality standards. By following these steps, Belgian cable tray installations can be completed safely, efficiently, and in compliance with project specifications and recognized industrial practices .