FAST

Fixed Automated Spray Technology

traditionaldisk header

Fixed Automated Spray Technology (FAST) systems are proven to increase safety and improve the flow of traffic in critical areas.


Fixed Automated Spray Technology

Over several decades, the Boschung Fixed Automated Spray Technology (FAST) has proven its worth as stationary winter maintenance equipment. Many years of experience and ongoing development have resulted in a systematic solution which operates safely and ecologically.

The spraying heads are embedded into the pavement surface and the valve units with all the active elements are installed at the side of the pavement.

In cost-benefit analyses, the FAST achieves a very high cost-effectiveness factor.


Technical Description

The FAST installation consists of valve units and patented spray disks in the pavement surface. The spray disks are protected against heavy weights and the abrasion caused by snowplows or aircraft tires. The anti-icing solution is regularly distributed onto the pavement surface using pressure provided by the system's pump. The spray width and spray area can be adapted to suit the prevailing conditions.

The patented valve unit incorporates the solenoid valves, the valve control card, and the accumulator tank. This tank contains sufficient pressurized anti-icing agent for one spraying cycle. In this way, the size of the feed lines is kept to a minimum and they are designed to extend the length of the spraying system to more than 1,000 meters.

In addition to the pump, the pump station incorporates the control unit and the storage tank for the anti-icing solution.

In the event of an ice hazard, the spraying process can be activated automatically with the FAST system. The system can be perfectly adapted to suit the prevailing conditions by using either programmed spray schedules or multiple impromptu spraying operations.

sprayinstallationSpray Installation

The FAST system is installed invisibly and indestructibly under the pavement surface. The valve units, with all active elements, are fitted at the side of the pavement. Passive elements such as spray disks are installed on the pavement surface, and can be replaced cost-effectively when the surface is renewed.

 

 


Pump Station

pumpstation 510

Pump Station

The pump station consists of a storage tank for the anti-icing solution, a pump and an electronic control unit. The unit is flexibly mounted and can be adapted to suit any local conditions.

pump

Pump

The vertical stainless steel rotary pump pressurizes any liquid anti-icing with a maximum operating pressure of 16 bar.

pressuremonitor

Pressure Monitor

The pressure monitor constantly checks the pressure in the spray circuit. When the system is inactive, it is checked hourly or against programmable cycles.

 

 

controlunit

Control Unit

The FAST control unit monitors and controls the entire system:

  • Solenoid valve controller in the valve units
  • Monitoring the hydraulic circuit (pump control, pressure and flow rate)
  • Monitoring the electrical circuit (short or open circuits)
  • Automatic refilling of the tank
  • Release of spray programs manually, by PC or by system alarms
flowmeter

Flow Meter

The flow meter is used to compare a calculated value with the actual value of the amount of anti-icing used during a spray program. This allows any leaking or defective points in the circuit to be detected and immediate measures to be taken.

tankmonitoring

Tank Monitoring

The anti-icing fluid tank is fitted with a float and an ultrasound sensor. The float switches the pump off if the level falls below the minimum. The ultrasound sensor displays the current level as a percentage on the PC in the control center. It also provides an alarm if the content of the tank is too low and gives an acoustic and visual alarm when the maximum level is reached during filling.

storagetank

Storage Tank

The size of the storage tank is determined on the basis of the number of spray nozzles and the rate of flow of the anti-icing solution.


Operating Possibilities

operating1Throughout many winters, the FAST system has proved itself in stationary winter service. Many years of experience and continuous development have produced a systematic solution which is safe and environmentally friendly.

In cost/use analyses, the FAST system achieves a very high economic viability score.

 

 

 


Building Possibilities

The FAST system can be easily installed in any runway.

airports spray

Airports

Airport take-off and landing runways


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