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6. PUBLIC HEARINGS AND OTHER MATTERS Item 6a PUI)-98-08, Passport Homes Application for Planned Unit Development rezoning and development plan approval of an approximately 64-acre lot into six new single-family residential lots, one lot for the existinn residence, and one open space lot, located at 11115 Dublin Canyon Road. The property is prezoned PU1) (Planned Unit I)evelopment) LI)R/RI)R/PBS (Low-Density Residential/Rural Density Residential/PublicBealth and Safety) I)istrict. (SR99:76) Also consider the Negative Declaration prepared for the project. This item was continued to the May 4, 1999 City Council meeting. Item 6b Matters relating to the Livermore Amador Valley Water Management Agency's (LAVWMA) Export Pipeline project. (SR99:107) Randall Lum presented the staff report. Vivian Housen, LAVWMA, 7051 Dublin Boulevard, Dublin, presented three concerns: 1) final capacity in the existing pipeline being less than what was anticipated; 2) impacts to the communities being greater than originally anticipated; and 3) limitations through the wetlands at the EBDA connection. The solutions to these issues attempt to preserve to the greatest extent possible the dual pipeline project that LAVWMA approved on June 25, 1998. Due to environmental concerns, community sensitivity, and potential costs, the preferred solution diverges from the dual pipeline concept through the urban areas only, which would be approximately 40% of the length of entire pipeline. She presented a slide show which explained the hybrid pipeline alternative, the type of lining needed, the amount of corrosion in the existing pipeline, the construction process through the urban area and wetlands. The LAVWMA Board is forwarding two alternative solutions to the member agencies for consideration. The preferred alternative is to pursue the hybrid pipeline in certain urban areas. The less preferred alternative is to reline the existing pipeline. She compared the two alternatives and listed the benefits of each alternative. She mentioned that there would be a $24 million cost savings by going with the hybrid alternative. She will be seeking endorsement of the hybrid pipeline from other member agencies. Ms. Michelotti asked how the pipeline that was installed in 1996 would mesh with what is being proposed. Ms. Housen said that portion of the pipeline will have to be looked at. A decision has to be made as to whether the existing pipeline can be used or an additional pipeline has to be laid beside Pleasanton City Council 6 04/20/99 Minutes