18A.70.130 Plan requirements.
The Director shall review and may approve, approve with modifications, or deny a landscape plan subject to the provisions of this section.
A. The following plans shall be submitted according to the requirements of the application form provided by the Community and Economic Development Department for any project permit subject to the provisions of this section:
1. Irrigation plan.
2. Tree retention plan, pursuant to Article III, Tree Preservation, of this chapter.
3. Landscape plan.
B. Persons Qualified to Prepare Landscape Plans. The landscape plans shall be prepared by a Washington state registered landscape architect, a Washington state certified nurseryman, or a Washington state certified landscaper, except that planting plans for short plats may be prepared by the applicant, subject to approval by the Community Development Director.
C. Review of Landscape Requirements. At the time of the preapplication conference, the Community and Economic Development Department staff shall review specific landscape requirements with the applicant or his/her representative.
D. Plan Requirements. New landscape plans must identify location, species and diameter or size of plant materials. Drawings shall reflect the ultimate size of plant materials at maturity. All drawings shall depict:
1. Existing property lines and perimeter landscape areas;
2. All public and private open space, including plazas, courts, etc. (if any);
3. Parking lot planting areas and vehicle use areas, driveways and walkways;
4. Location of clear sight triangle, if applicable;
5. Location of buildings or structures (existing and proposed);
6. Location of aboveground storm water drainage pond(s) and swales;
7. Street tree location;
8. Screening of mechanical equipment;
9. Planting details describing method of installation;
10. Location and description of existing trees or groves of trees to be retained (if any);
11. Location and description of existing soils and groundcover vegetation to be retained;
12. Planting locations showing mature size of plants, size of planting stock, species of plant materials, and tree density calculations;
13. Timeline for site preparation and installation of plant materials;
14. Cost estimate for the purchase, installation and three (3) years maintenance of landscaping.
E. Irrigation Plan. All proposed multifamily or nonresidential developments require an irrigation plan. An irrigation plan is required to ensure that the planting will be watered at a sufficient level to ensure plant survival and healthy growth. The irrigation plan shall indicate the location of pipes, sprinkler heads, and back flow prevention devices. The Director or City Engineer may require additional information, including but not limited to pumps, pipe size, head capacity, water pressure in pounds per square inch at the pump and sprinkler heads, and timer system. The irrigation plan shall conform to the requirements of this section.
F. Persons Qualified to Prepare Irrigation Plans. The irrigation plan shall be prepared by a Washington State registered landscape architect, or a certified irrigation designer, except that irrigation plans for short plats may be prepared by the applicant.
G. Approved Landscaping Plan Required. A building permit or land use permit shall not be issued until the landscaping plan has been approved. [Ord. 726 § 2 (Exh. B), 2019.]