Toronto By-law 447, s. (e) — Chapter 447 Fences

A masonry wall that is not a part of a building and is used in a swimming pool enclosure shall be constructed in a good, workmanlike manner as follows:

• [1] The wall shall present a minimum 1.2-metre non-climbable surface to the exterior of the enclosed area. [2] It shall be constructed of a minimum double course brick or single course concrete block with a minimum width of 200 millimetres, and securely attached to a minimum 1.2-metre deep concrete foundation. [3]

Where the wall abuts a building or gate there shall be no opening between the wall and the building or gate which exceeds 38 millimetres where there are horizontal elements less than 1.2 metres apart, or which exceeds 100 millimetres where there are

no horizontal elements or where horizontal elements are in excess of 1.2 metres apart. [4] All components of a masonry wall used as a part of a swimming pool enclosure shall conform with CSA S304.1.