Proper Installation of Rail Fastening Systems

Correct installation ensures track stability and longevity. Key steps vary by system type but follow core principles.

Pre-Installation Checks

Verify rail type (flat-bottomed, grooved) and sleeper material (concrete, wood).

Ensure components (clips, pads, plates) meet specifications .

Installation Process

Baseplate Alignment: Position baseplates on sleepers with tolerance <2mm deviation.

Rail Placement: Secure rails onto baseplates using temporary clamps.

Clip Fastening:

For Pandrol E-Clips: Use hydraulic press or manual lever to snap clips into shoulders.

For Nabla Springs: Insert W-clips with tension ≥9 kN.

Torque Control: Tighten bolts to manufacturer specs.

Tools Required:

Torque wrenches, clip applicators, laser alignment tools.

Common Mistakes:

Over-tightening clips (causes stress fractures).

Misaligned baseplates (leads to gauge widening).