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Ordinance Exhibit D DOWNTOWN RIVERFRONT LAND USE COMPONENTS CA 19-1, RA 19-1, Z 19-5, WG 19-3, ST 19-3, and SDR 19-2 April 19, 2019 1. On sites where soils are susceptible to severe compaction or structural damage when wet or saturated, use of heavy machinery shall be limited to the period between June 15 and September 30, unless otherwise approved by the planning director. The Riverfront Park site has been used as an industrial and utility operations site for decades and the riverbank in this area is also heavily armored with basalt rip rap and concrete slabs. As such, the existing soil conditions are already heavily compacted. Construction activities for the Riverfront Park project will assure the following: ■ Tree protection fencing around the critical root zone of all trees scheduled to be preserved and protected for the project as shown on attached plans (See Sheets WR 104.1 and 104.2) (Exhibit 13.3: Standard Review Plan Set). Removal of temporary basalt rip rap on the newly graded river bank in Phase 1 of the project and the subsequent addition of healthy soil to assure long term success of extensive new vegetation along the river bank. ■ Established construction routes and removal of highly compacted or impervious soil conditions to be replaced by planted native landscapes. Therefore, this standard is met. 2. Use of heavy machinery shall be the minimum necessary for the use or activity and shall be restricted to those areas where its use is necessary. Heavy equipment use will be necessary within the conservation setback areas for several components of the park development project. Bank Enhancement Area Heavy equipment will be necessary to remove existing temporary rip rap armoring off of the bank from the previous season's work. Following this removal activity, additional heavy equipment will be required to place new soil in fabric encapsulated lifts to create the new plant -able riverbank stabilization base. Pedestrian Path and Overlook Construction Heavy equipment will be necessary to do the rough grading for developed parks components within /WR conservation areas. This rough grading will establish subgrades for paths, planting areas, and river overlooks that will be important components of the developed park project. From there, additional heavy equipment may be needed to pour concrete, although it is somewhat likely that the concrete will be pumped from trucks outside of the /WR conservation areas. City of Eugene FINAL SUBMITTAL 91