§ 17.09.050. Protection of trees during construction.

A.

Grading or filling shall not take place inside the dripline of trees to be preserved, unless approved by the Department of Planning and Zoning.

B.

If grading or filling is proposed inside the dripline of trees to be preserved, root aeration practices and/or tree wells or walls shall be used, the design of which shall be approved by the Department of Planning and Zoning.

C.

Trenching and/or tunneling should take place outside of the dripline of trees to be retained.

D.

Trenching and/or tunneling proposed inside the dripline of trees to be preserved shall be accomplished according to procedures which minimize root damage, and must be approved by the Department of Planning and Zoning.

E.

Temporary storage of any construction materials, including fill, gravel, felled trees, construction supplies or equipment, within the driplines of protected trees shall be prohibited.

F.

The routing of heavy equipment, including cars, trucks and bulldozers, and construction trailers within the driplines of protected trees shall be prohibited without the consent of the Department of Planning and Zoning.

G.

All sediment and erosion control silt fencing or straw bales shall be placed at the limits of grading or in those locations where deposition of sediment is minimized within the driplines of trees to be preserved.

H.

Where a cut is approved within the dripline of trees to be preserved, exposed and/or damaged roots are to be trimmed cleanly and covered temporarily with moist peat moss, burlap or other suitable material to keep them from drying out.

I.

Where a fill is approved within the dripline of trees to be preserved, all organic matter is to be removed and fertilizer is to be spread according to the Department of Planning and Zoning specifications prior to raising the grade.

J.

No protective devices, signs, utility poles or other objects shall be nailed to any trees which are to be preserved.

K.

Any other action within the dripline of protected trees which may result in the severing of roots, compaction of soil or the placing of any substance within the dripline which impedes the free access of air and water to tree roots is prohibited without the consent of the Department of Planning and Zoning.

L.

The Department of Planning and Zoning may require other tree protection practices as on-site circumstances may dictate.

M.

If it becomes necessary subsequent to clearing to remove additional trees which were shown on the plan to be preserved, the Department of Planning and Zoning shall be notified and must grant approval prior to performing any additional clearing.

(Ord. O-26-03 § 1 (part): Ord. O-40-88 § 1 (part))

(Ord. No. O-12-16 Amended, § I, 5-23-2016)