35. Access panels: In any building with solid walls, access panels shall be provided in every storey below the 6th floor or 27 m above ground in at least 2 exterior walls accessible from a public right-of-way. Such access panels shall be not less than 550 mm × 1,070 mm in size, nor shall they be spaced more than 15 m apart in each storey, with a sill height of not more than 900 mm.
R.R.Q., 1981, c. S-3, r. 4, s. 35.