Environmentally Critical Areas | Environment & Sustainability
to determine if the performance standards are being met. A monitoring report shall be submitted as needed to document milestones, successes, problems, and contingency actions of the compensation project. The compensation project shall be monitored for a period necessary to establish that performance standards have been met. The monitoring period shall be five years; provided, that the director may approve a greater period when needed to ensure mitigation success or a lesser period for minor mitigation; 8. Contingency Plan. The mitigation plan shall include identification of potential courses of action, and any corrective measures to be taken if monitoring or evaluation indicates project performance standards are not being met; and 9. Fee-in-Lieu Program. If fee-in-lieu mitigation is proposed, a critical areas study shall be supplied that demonstrates how proposed impacts and mitigation meet the requirements of SDC 21.03.020N. and SDC 21.03.020Y.3. or SDC 21.03.020AA.3., whichever is applicable, and also the specific requirements of the fee-in-lieu mitigation program to be utilized.
4. Best Available Science. A review of the best available science supporting proposed mitigation, a description of the plan/report author’s experience to date in restoring or creating the type of critical area proposed, and an analysis of the likelihood of success of the mitigation project; 5. Performance Standards. A description of specific measurable criteria for evaluating whether or not the goals and objectives of the mitigation plan have been successfully attained and whether or not the requirements of this chapter have been met; 6. Detailed Construction Plans. Detailed site diagrams, cross- sectional drawings, topographic elevations at one- or two-foot contours, slope percentage, final grade elevations, and any other drawings appropriate to show construction techniques or anticipated final outcome. In addition, plans should include specifications and descriptions of:
a. Proposed construction sequence, timing, and duration;
b. Grading and excavation details;
c. Erosion and sediment control features;
d. A planting plan specifying plant species, quantities, locations, size, spacing, and density; and e. Measures to protect and maintain plants until established; 7. Monitoring Program. Mitigation plans shall include a program for monitoring construction of the compensation project, and for assessing a completed project. A protocol shall be included that outlines the schedule for site monitoring and how the monitoring data will be evaluated
P. Financial guarantees
Financial guarantees shall be required consistent with the provisions of SMC Title 27A.
Q. Vegetation management plan
1. For all development proposals where preservation of existing vegetation is required by this chapter, a vegetation management plan shall be submitted and approved prior
Effective | January 1, 2022
Title 21: Sammamish Development Code | 75
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