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• Addendum #8 Rev. 04/07/05 Page 3 of 6 Task B — Stormwater Management Report & Wetland Mitigation Modifications The proposed change to the alignment of the roadway improvements will require modifications to both the stormwater management and wetland mitigation designs . This Addendum includes preparation of a modified Stormwater Management Report to support the modified roadway Construction Plans. The proposed modified roadway alignment will require a new stormwater management analysis for previously designed post-development stormwater basins A, B & C only. (No modification to the previously design post-development stormwater basins D & E is included in this addendum) . The Stormwater Management Report shall be designed to demonstrate that the modified stormwater improvements will provide for treatment and attenuation of storm runoff in conformance with St . Johns River Water Management District (SJRWMD) rules and regulations . Utilizing the updated wetland jurisdictional line information, we shall develop a new summary of proposed wetlands impacts based on the new alignment . Utilizing the updated summary, we shall modify the original wetland mitigation design. The modified design of the Wetland Mitigation Plans shall be a refinement of the original design based on the updated wetlands impact summary. Mitigation Plans will again be included only within the Phase III Contract Plans, but will provide mitigation for wetland impacts for both Phases III and IV of the CR 512 Roadway Improvements project . (This proposal does not include substantial changes to the original wetland mitigation design concepts. Wetland mitigation will be provided based on the original conservation easement proposed on the Lake E Site and work proposed within the St . Sebastian River Preserve. ) This Task also includes the scope of services as described in the attached Sub-consultant proposal from Environmental Services, Inc . (ESI) dated September 23 , 2004, Task 8 . We propose to perform the Scope of Services outlined under Task B for the following lump sum fees : Stormwater Management Report (MM) . . . . . . . . . . . . . . . . . . . . . . . $ 14, 500. 00 Wetland Mitigation Planning (ESI Task 8) . . $ 27300. 00 Wetland Mitigation Design Coordination (MM) $ 21000. 00 Task C - Phase III Construction Plans Modifications Construction Plans and Specifications shall be amended to reduce the length of the Phase III of the four (4) lane roadway design from approximately Station 113 +00 to Station 259+00 as depicted on "Overall Exhibit of Proposed Right-of--way-County Route 512" printed August 2, 2004 provided to Masteller & Moler, Inc . by Christopher J. Kafer, Jr. P .E . , Indian River County Engineer. The Plans shall be amended to incorporate a raised median to allow the County to install landscaping along the CR 512 corridor between the eastbound and westbound lanes.