06 16 20 PWA_02_02 Exh2 - IS-MND

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L w FAIRVIEw BRIDGE REPLACEMENT AND STREET IMPROVEMENTS INITIAL STUDY/MITIGATED NEGATIVE DECLARATION `J' (JTH STREET TO 16TH STREET) PROJECT MAY 2020 SANTA ANAL CALIFORNIA modifications to utility poles are required to be coordinated with the applicable utility provider to minimize the risk of disruption of services and damage to the facilities, to ensure advance notification of any temporary service disruptions to the public, and to protect the safety of the construction workers and the general public. These requirements are specified in Mitigation Measures UTL-1 and UTL-2. Therefore, with implementation of Mitigation Measures UTL-1 and UTL-2, the proposed Project would not require or result in the relocation or construction of new or expanded electric power or natural gas facilities, the construction of which could cause significant environmental effects. Telecommunication Facilities. The bank of 12 phone conduits that cross the Santa Ana River over the Santa Ana River would be temporarily relocated during construction and then permanently relocated to the new bridge. Telecommunication disruptions would generally not exceed 3 hours. As discussed above, Mitigation Measure UTL-1 requires coordination with utility providers during the construction phase, and Mitigation Measure UTL-2 requires conducting an updated utility search to determine all utility conflicts that would require protection in -place or relocation. Therefore, with implementation of Mitigation Measures UTL-1 and UTL-2, the relocation or construction of new or expanded telecommunications facilities would not cause significant environmental effects. Summary. With implementation of Mitigation Measures UTL-1 and ULT-2, the proposed Project would not require or result in the relocation or construction of new or expanded facilities for water, wastewater treatment, storm drainage, electric power, natural gas, or telecommunications, the construction of which could cause significant environmental effects. Therefore, impacts would be less than significant with mitigation incorporated. b. Would the project have sufficient water supplies available to serve the project and reasonably foreseeable future development during normal, dry and multiple dry years? No Impact. Refer to Response 3.19.2(a), above. As discussed in that response, water use during construction and operation would be minimal, and water supplies for construction activities would be temporary in nature, ceasing upon construction completion. In addition, the minor increase in water use during operation for irrigation would not require additional entitlements or resources. Therefore, construction and operation of the proposed Project would have sufficient water supplies available to serve the Project and reasonably foreseeable future development during normal, dry, and multiple dry years, and no impact would occur. No mitigation is required. c. Would the project result in a determination by the wastewater treatment provider which serves or may serve the project that it has adequate capacity to serve the project's projected demand in addition to the provider's existing commitments? No Impact. No wastewater would be generated as a result of construction or operation of the proposed Project. Therefore, the proposed Project would not result in a determination by the wastewater treatment provider that serves or may serve the proposed Project that it has adequate capacity to serve the Project's projected demand in addition to the provider's existing commitments, and no impact would occur. No mitigation is required. 3-108 R:\WKE1702\ISMND\Final ISMND\Fairview Street Bridge Final ISMND.docx (05/26/20)