S-2.1, r. 4 - Safety Code for the construction industry

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10.4.3. Protection of manholes:
(1)  A portable guardrail made of steel or wood must be used to prevent falls into manholes.
(2)  Where the guardrail is made of steel, it must:
(a)  be made of metal tubes at least 22 mm in diameter enclosing the manhole on 3 sides, the fourth side being closed off with 2 chains;
(b)  be bright in colour, have a middle rail and bear flags with reflective bands; and
(c)  conform to figure 1 in Schedule 5.
(3)  Where the guardrail is made of wood, it must:
(a)  be made of boards 100 mm in width and must enclose the manhole on 3 sides, the fourth being closed off with 2 chains;
(b)  bear vertical black bands 100 mm in width on an orange background;
(c)  be fitted with flags with reflective bands; and
(d)  conform to figure 2 of Schedule 5.
R.R.Q., 1981, c. S-2.1, r. 6, s. 10.4.3; O.C. 995-91, s. 12.