Pickering By-law 6943/09, s. 22(a) — Fences and Swimming Pool Enclosure By-law

vertical boarding not less than 23 mm by 100 mm nominal spaced not more than 38 mm apart, attached to a top and bottom rail in such a manner as not to facilitate climbing from the outside;

• (b) supporting posts not less than 100 mm by 100 mm nominal spaced not more than 2.4 m apart and extended a minimum depth of 1.2 m below grade encased in concrete;
• (c) pressure treated wood below grade, or treated with a wood preservative below grade; and
• (d) top and bottom rails not less than 50 mm by 100 mm.