Hamilton By-law 16-184, s. 22(a) — 22 Every owner shall construct and maintain a wrought iron, aluminum, vinyl or composite fence that forms all or part of an enclosure with

22 Every owner shall construct and maintain a wrought iron, aluminum, vinyl or composite fence that forms all or part of an enclosure with:

• sufficient strength to provide an effective enclosure;
• (b) for vertical fences, no openings allowing the passage of a spherical object larger than 100 mm in diameter with a top and bottom rail at least 1.2 m apart;
• (c) for horizontal fences, no space between the boards, and a vertical intermediate support shall be installed between the support posts so that there is not more than 1.2 m between a support post and the intermediate support; and
• (d) support posts:
• (i) at intervals of not more 2.4 m;
• (ii) securely imbedded at least 1.2 m below grade or so as not to be frost susceptible; and
• (iii) encased in concrete below grade with at least a 50 mm cover on sides and base. Walls