Environment & Sustainability | Environmentally Critical Areas
R. Critical area markers, signs and fencing
to issuance of the permit or other request for permission to proceed with an alteration. The plan shall address vegetation preservation both during and after construction is complete. All critical areas and buffers shall be maintained in perpetuity and failure to maintain critical areas and buffers in their natural state is considered a violation and subject to enforcement by the City. 2. The vegetation management plan shall identify the proposed clearing limits for the project and any areas where vegetation in a critical area or its buffer is proposed to be disturbed. 3. Where clearing includes cutting any merchantable stand of timber, as defined in WAC 222-16-01028., the vegetation management plan shall include a description of proposed logging practices that demonstrates how all critical areas will be protected in accordance with the provisions of this chapter. 4. Clearing limits as shown on the plan shall be marked in the field in a prominent and durable manner. Proposed methods of field marking shall be reviewed and approved by the City prior to any site alteration. Field marking shall remain in place until the certificate of occupancy or final project approval is granted. 5. The vegetation management plan may be incorporated into a temporary erosion and sediment control plan or landscaping plan where either of these plans is required by other laws or regulations. 6. Submittal requirements for vegetation management plans shall be set forth by the department.
1. Markers. Permanent survey stakes delineating the boundary between adjoining property and critical area tracts shall be set, using markers capable of being magnetically located and as established by current survey standards. 2. Signs. Development proposals approved by the City shall require that the boundary between a critical area buffer and contiguous land shall be identified with permanent signs. Permanent signs shall be a City-approved type designed for high durability. Signs must be posted at an interval of one per lot or every 50 feet, whichever is less, and must be maintained by the property owner or homeowners’ association in perpetuity. The wording, number and placement of the signs may be modified by the director based on specific site conditions. 3. Fencing. Permanent fencing shall be required at the outer edge of the critical area buffer under the following circumstances:
a. As part of any development proposal for:
i. Plats;
ii. Short plats;
iii. Parks;
iv. Other development proposals, including but not limited to multifamily, mixed use, and commercial development where the director determines that such fencing is necessary to protect the functions of the critical area;
76 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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