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Insulated tank with burner/heater to keep bitumen at spraying temperature.

A hopper inspection door is a hinged access panel fitted to a sweeper hopper, allowing operators to inspect collected material without tipping the hopper. It supports quick checks during operation and reduces unnecessary tipping cycles. The door is used to confirm fill levels, identify blockages, and verify material type. Sealing is important to limit dust…

Electric heating elements applied to external mirrors to prevent fogging and frost. Improves visibility during winter night operations.

Sensor indicating when hopper is nearing full.

Bitumen sprayer bar fitted with electric or fluid heat tracing. Ensures all nozzles deliver binder at a constant temperature for uniform coverage.

Sensor-based alarm that sounds when the hopper reaches its maximum safe load. Prevents overfilling which can reduce suction efficiency or damage hydraulic rams.

Water-heating element integrated into the wash-down circuit. Enables effective cleaning of oily residues during winter maintenance.

Lockable prop rod that secures the raised hopper during maintenance. A mandatory UK safety requirement under PUWER regulations.

Water delivery line wrapped in heat tracing to prevent freezing in winter. Keeps dust suppression working during overnight frost conditions.

Mesh barrier inside hopper to protect fan and separate fine dust from bulky waste.