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Scope of Work <br />City of Everett 553-1844-833 <br />Land Capacity Analysis - Surface Water 3 June 2024 <br /> <br />• Only two new analysis scenarios will be performed, one for each proposed growth alternative. <br />• All baseline scenarios will be those already developed city-wide as part of the North Creek SMAP <br />analysis. <br />• More detailed analysis methodology may be developed and implemented for additional fee <br />under a later schedule. <br />Deliverables <br />• Layers depicting the FutureShed model GIS inputs on the Project Web Map. <br />• Summary tables of FutureShed scoring results in the Project Technical Memorandum. <br />TASK 3 – TREE CANOPY IMPACT <br />Measurable Objective <br />The characteristics of watershed tree canopy coverage influence the health of natural receiving waters. <br />In addition, the new MS4 NPDES permit requires tree canopy protection as part of stormwater <br />management. The FutureShed input data described above in Task 2 includes a high-level categorization <br />of the city’s tree canopy into tree and forest layers based on tree height and density. This task is <br />intended to provide a qualitative analysis of the impact of each proposed growth alternative on tree <br />canopy. This analysis will also assist the City in understanding the future regulatory implications of the <br />proposed development alternatives. <br />Approach <br />Parametrix will develop high-level tree canopy mapping based on the GIS data evaluated as part of the <br />North Creek SMAP analysis and overlay the proposed growth alternative GIS data. Parametrix will use <br />this mapping to provide a quantitative summary of potential impacts of each alternative based on <br />potential elimination of areas previously mapped as trees and forest. <br />Assumptions <br />• The analysis will assume areas mapped as trees and forest will be completely converted to other <br />land cover (i.e., impervious and grass) if they are designated for proposed growth. <br />• More detailed analysis methodology may be developed and implemented for additional fee <br />under a later schedule. <br />Deliverables <br />• Trees and forest layers on the Project Web Map. <br />• A section, quantitative summary table, and figures in the Project Technical Memorandum <br />discussing tree canopy impacts. <br />TASK 4 – STREAM PROXIMITY ANALYSIS <br />Measurable Objective <br />Where development density is focused in closer proximity to surface water resources, there is a higher <br />risk of impacts. This task is intended to provide a qualitative analysis of each proposed growth <br />alternative based on this metric.