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--2 Z Z. ADDENDUM #8 TO CONTRACT DATED JANUARY 21 , 1997 BETWEEN INDIAN RIVER COUNTY AND MASTELLER & MOLER, INC. FOR CR 512 PAVING & DRAINAGE IMPROVEMENTS INDIAN RIVER COUNTY PROJECT #9611 COUNTY ROUTE 512 CORRIDOR IMPROVEMENTS ROSELAND ROAD TO I45 INDIAN RIVER COUNTY, FL Indian River County staff has diligently attempted to secure right-of--way from various property owners along County Route 512 for construction of "Four-lane Roadway Improvements" between Roseland Road and Interstate-95 based on the original Project design. As a result of difficulties experienced with the right-of-way acquisition process, the County has made a decision to realign portion of the proposed roadway improvements . Under this Addendum, this project will remain to be constructed in two (2) separate phases; designated as Phase III and Phase IV. The length of the phases will be altered slightly under this Addendum such that the phases will be defined as follows : Phase III will extend westward from Roseland Road to approximately the east line of the Sebastian River Middle School and includes the proposed bridge improvements over the St. Sebastian River. Phase III also includes performance of wetland mitigation to support wetland impacts in both Phases III and IV. The total length of the Phase III project is approximately 2 . 14 miles . Phase IV extends westward from approximately the east line of the Sebastian Middle School to the Interstate-95 vicinity. The total length of the Phase IV project is approximately 1 . 60 miles. The Phases overlap and thus the total length of Phase III and Phase IV is approximately 3 . 5 miles . As a result of the proposed change to the alignment of the County Route 512 Four-lane Roadway Improvements, the following segments of the four-lane roadway construction will change : Phase III — Station 113 +00 to Station 264+00 (31400 ft) Phase IV — Station 64+00 to Station 124+00 (6, 000 ft) (Note : The design length to be modified for Phase III does not correlate mathematically to the difference between stations as a result of the original design containing a station equation) . In order that the project design and issued permits may be modified as outlined above, we will perform the following "Additional Services" :