Transpo Group USA Inc. 7/12/2021

Osborn Consulting, Inc. 4/7/21 • Concepts to be summarized using hand sketches,with photos of similar treatment to provide clarity. Task 1-5 Preliminary (30%) Design Development of 30%design plans for the preferred alternative's drainage and landscape architecture features Assumptions: • Drainage design to be shown on 8 plan sheets at 20 scale, no profiles or details • Landscape architecture treatments—showing areas of plantings by zones and street tree locations to be shown on 4 plan sheets at 20 scale, with example photo of similar treatment when required for clarity, no details or site furnishings. • No planting schedule • No detailed stormwater modeling or memorandum. • No specifications Deliverables: • Drainage 30%design plans • Landscape Architecture 30% design plans • Drainage 30% cost estimate • Landscape Architecture 30%cost estimate Phase 2 Task 2-2.1 60% and 90% Design (Drainage) Development of 60%and 90% design plans, Specification and Cost Estimate (PS&E) for the preferred alternative's drainage approach. Drainage design to be shown on 8 plan sheets with pipe profiles at 20 scale, 2 detail sheets for non-standard items. Assumptions: • Standard details (City of Everett and WSDOT)will referenced on the detail sheets, not included. • All design plans shall conform with City of Everett Design and Construction Standards and CAD standards as described in Exhibit A. • Edits to the City's Special Provisions will be based on the current year edition of WSDOT Standard Specifications. • Cost estimate to include a justification of quantity and unit price • Utility conflict can be resolved at the point of conflict with simple adjustment of the utilities or storm drainage locations. Relocating utilities is not included. • There will only be minor changes to the project design after the 90%submittal.