B-1.1, r. 3 - Safety Code

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302. Every amusement ride or device equipped with a sloping channel and a receptacle basin which uses water to generate or reduce the speed of a vehicle must be provided with devices allowing for the control of the water level of the basin and the water flow of the flume’s feed pump.
In addition, the devices must automatically stop the operation of the amusement ride or device if the water level or flow does not comply with that required for the operation of the amusement ride or device.
O.C. 363-2012, s. 1.