Kelowna By-law 8041, s. 3 — Tree Protection Bylaw

3. No incursions inside or against the Tree Protection Zone are to occur, including, but not limited to:

• garbage/debris storage, material or equipment storage, porta-potties, soil piling, fill or grade changes, surface treatments or excavations of any kind, equipment fueling or chemical mixing, etc. SPECIFICATIONS FOR CONSTRUCTION • Barriers should be a maximum of 1.2 m (~4’) in hei ght. • At minimum, 2"x 4" construction lumber to be used for vertical posts, top and bottom rails and cross bracing (in an "X");
• round, un-treated vertical posts may be used with a minimum diameter of 9 cm. • Spacing between vertical posts to be no further apart than 3.7 m (12’) on center. • Structure must be sturdy with vertical posts driven firmly into the ground. • Barrier must be continuous mesh screening (e.g. orange snow fencing). • The distance of the barrier from the tree trunk must be determined by a qualified person (arborist) based on the drip line and tree diameter, using table below:
• Trunk Diameter Critical Root Zone (DBH measured in mm or inches) (minimum distance of fence from trunk) 200 mm / 7.9" 1.2 m 250 mm / 9.8" 1.5 m 300 mm / 11.8" 1.8 m 350 mm / 13.8" 2.1 m 400 mm / 15.7" 2.4 m 450 mm / 17.7" 2.7 m 500 mm / 19.7" 3.0 m 550 mm / 21.7" 3.3 m 600 mm / 23.6" 3.6 m 750 mm / 29.5" 4.5 m 900 mm / 35.4" 5.4 m 1000 mm / 39.4" 6.0 m Minimum Critical Root Zone Calculation:
• divide DBH
• (mm) by 166 Example: 800 mm divided by 166 = 4.8 m minimum distance from trunk Consolidated Bylaw No. 8041 –. • Visible signage must be posted advising that encroachment inside the protected area is forbidden. Signage to be posted on at least two sides (weather- proof, 11”x17” minimum size). Sig n must read:

NO ENTRY Tree Protection Zone If barrier has fallen over report immediately for repair Phone:

• (xxx) xxx-xxxx Figure 1 – Standard Tree Protection Zone Barrier Examples