7/6/1983 - Laserfiche WebLink

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I INTRODUCTION Sverdrup & Parcel and Associates, Inc. has been requested by County Staff to;analyze alternative wastewater forcemain routings for Treasure Coast and Ixora Utilities. At the present time, both wastewater systems are under scrutiny of the Department of Environmental Regulation for failure to meet state pollution standards. The combined wastewater usage of both systems is approximately 95,000 gallons per day. This report addresses various alternatives which offer a possible solution to the County's immediate needs. Please note,.the alternatives and estimated costs presented herein are not intended to represent the only options available to the County, but appear to be the most viable. II ALTERNATIVE DESCRIPTIONS .tl Below are listed eight (8) alternatives for the rerouting of waste- water forcemains from Treasure Coast (Whispering Palms) and Ixora Utilities "L See Appendix A for individual route locations and construc- tion cost estimates for each alternative. For further reference, we direct your attention to the "Minutes" of the Board's Workshop on March 23, 1983. Alternative 1 (See Figure 1 - Appendix A) This alternative proposes the pumping of wastewater from the two facilities to the Vista Royale Wastewater Treatment Plant. Pumping to the wastewater treatment facility will require special permitting from DER to construct in the wetlands east of.the Vista Royale Development,and may require further modifications to the existing treatment facility to effectively treat the increased loading. At this time, it seems question- able as to the excess capacity available at the Vista plant. Wo Alternatives 2 and 3 (See Figures 1 and 2 - Appendix A) Alternatives 2 and 3 are similar in concept and require the cons- truction of a 300,000 gallon per day wastewater treatment plant adjacent to the existing Ixora Wastewater Treatment Plant site. Alternative 2 considers the cost of a concrete structure and Alternative 3 considers the cost of a steel structure. The overall concept would be to pump from Whispering Palms area to the Ixora plant site. This will require the demolition of the existing Ixora Plant once the sewage has been diverted to the new facility. Construction of this size plant will enable the County to pick up additional customers considering the actual usage is approximately 95,000 gallons per day. However, a plant constructed in this area will not be buffered from the adjacent community and may create effluent discharge conflicts with the Department of Environmental Regulation. 25 6QQK 53 PAGE 905 i