106. (1) A signaller shall be a competent worker and shall not perform other work while acting as a signaller. O. Reg. 213/91, s. 106 (1). (1.1) The signaller shall wear a garment that covers at least his or her upper body and has the following features: 1. The garment shall be fluorescent blaze or international orange in colour. 2. On the front and the back, there shall be two yellow stripes that are 5 centimetres wide.  The yellow area shall total at least 500 square centimetres on the front and at least 570 square centimetres on the back. 3. On the front, the stripes shall be arranged vertically and centred and shall be approximately 225 millimetres apart, measured from the centre of each stripe.  On the back, they shall be arranged in a diagonal “X” pattern. 4. The stripes shall be retro-reflective and fluorescent. O. Reg. 145/00, s. 28. (1.2) If the garment is a vest, it shall have adjustable fit. O. Reg. 145/00, s. 28. (1.3) A nylon vest to which this section applies shall also have a side and front tear-away feature. O. Reg. 145/00, s. 28; O. Reg. 345/15, s. 16. (1.4) In addition, a signaller who may be endangered during night-time hours shall wear retro-reflective silver stripes encircling each arm and leg, or equivalent side visibility-enhancing stripes with a minimum area of 50 square centimetres per side. O. Reg. 145/00, s. 28. (1.5) The employer shall, (a) ensure that the signaller has received adequate oral training in his or her duties and has received adequate oral and written instructions in a language that he or she understands; and (b) keep the written instructions at the project. O. Reg. 145/00, s. 28. (2) A signaller, (a) shall be clear of the intended path of travel of the vehicle, machine or equipment, crane or similar hoisting device, shovel, backhoe or similar excavating machine or its load; (b) shall be in full view of the operator of the vehicle, machine or equipment, crane or similar hoisting device, shovel, backhoe or similar excavating machine; Note: On January 1, 2024, clause 106 (2) (b) of the Regulation is revoked. (See: O. Reg. 241/23, s. 4 (1)) (c) shall have a clear view of the intended path of travel of the vehicle, machine or equipment, crane or similar hoisting device, shovel, backhoe or similar excavating machine or its load; and (d) shall watch the part of the vehicle, machine or equipment or crane or similar hoisting device, shovel, backhoe or similar excavating machine or its load whose path of travel the operator cannot see. O. Reg. 213/91, s. 106 (2). Note: On January 1, 2024, section 106 of the Regulation is amended by adding the following subsection: (See: O. Reg. 241/23, s. 4 (2)) (2.1) A signaller shall, where practicable, be in full view of the operator of the vehicle, machine or equipment, crane or similar hoisting device, shovel, backhoe or similar excavating machine and, where not practicable, the employer shall provide another means of ensuring clear and direct communication from any signallers to the operator. O. Reg. 241/23, s. 4 (2). (3) The signaller shall communicate with the operator by means of a telecommunication system or, where visual signals are clearly visible to the operator, by means of prearranged visual signals. O. Reg. 213/91, s. 106 (3).