Secondary and Cumulative Impacts Master Management Plan - 2014

Article 5: Development Standards Section 5.4. Tree Protection 5.4.7. Tree Protection During Development Activity

2.

Warning Si g nage Warning signs shall be installed along any required tree protective fencing at points no more than 150 feet apart. The signs shall be clearly visible from all sides of the outside of the fenced-

in area. The size of each sign must be a minimum of two feet by two feet. The sign message shall, in both English and Spanish, identify the fenced or marked area as a tree protection area and direct construction workers not to encroach into the area (e.g., ―Tree Protection Area: Do Not Enter‖). Duration of Protective Fencing or Signage 301 Required protective fencing and signage shall be erected before any grading or other development activity begins and shall be maintained until issuance of a Certificate of

3.

Compliance/Occupancy following completion of all development in the immediate area of the fencing or signage. C. Tree Protection Area Limitations and Requirements 302

Figure 5.4.7.B.1: Tree Protective Fencing and Signage.

Except where authorized by the tree protection plan, encroachments into a tree protection area may occur only when no other alternative exists, and shall comply with landscaping best management practices and the following limitations and requirements: 1. Construction Activity, Equipment, or Materials Storage No development activity—including grade changes, the operation or parking of heavy equipment, or the washing down of concrete or cement handling equipment, or the storage of fuel, chemicals, materials, supplies, or construction waste and debris—shall be allowed within the tree protection area. 2. Clearing of Vegetation

Any clearing of vegetation within the tree protection area shall be only by hand.

3.

Use of Retaining Walls and Drywells Retaining walls and drywells may be used to protect trees to be preserved from severe grade changes if venting adequate to allow air and water to reach tree roots is provided through any fill.

4.

Impervious Surface

No impervious surface (including, but not limited to, paving or buildings) may be located within a tree protection area.

301 This clarifies that protective fencing and marking must remain in place until the development is fully completed. 302 This expands the prohibition on ―construction site activities‖ in Town staff‘s draft tree protection ordinance to address other potential construction-related encroachments into a tree protection area.

Morrisville, NC

June 2013 Page 5-9

Unified Development Ordinance - Public Hearing Draft