14. Recommendation to approve Amendment No. 1 to the Agreement for Professional Consulting Services between Sierra Nevada Construction, Inc. and Washoe County to provide Construction Manager-At-Risk (CMAR) preconstruction services in support of the Pleasant Valley Interceptor Reach 3 Project [in the amount of $31,750.00 for a total contract amount of $330,631.00]. This amendment allows for supplemental preconstruction services for the additional development of dewatering design and analysis for more complex than anticipated groundwater conditions and the procurement of polymer precast lift station components to support the Pleasant Valley Interceptor Reach 3 Project. Community Services. (Commission District 2.) FOR POSSIBLE ACTION