75A - PH BRISTOL ST MEMORY LN PROJECT

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ENVIRONMENTAL IMPACT REPORT ADDENDUM Bristol Street and Memory Lane Intersection Improvements — Project No. 17-6883 facilities during the exploratory digging immediately preceding excavation. In this manner, the risk of line rupture to natural gas, petroleum, and sewer facilities, which might release hazardous substances and odors into the air, can be minimized. Mitigation Measures: No additional mitigation measures are required. c) Require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? As discussed in Response 3.9(d), the Project site currently includes only curb and no catch basin is present. As a result, seasonal ponding does occur along this portion of Bristol Street. The proposed Project would result in a nominal increase in impervious ground surfaces. The Project would result in the relocation of the existing curb features at the Project site and may include extension of the existing storm water pipeline system (located on the eastern side of Bristol Street) through a new lateral connection and new catch basin at the Project site. These improvements, if constructed, would result in a reduction of existing flooding and would be a beneficial impact. Thus, impacts would not be greater than previously analyzed in the 1990 FEIS/EIR. Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable Mitigation Measures: No additional mitigation measures are required. d) Have sufficient water supplies available to serve the project front existing entitlements and resources, or are new or expanded entitlements needed? The proposed Project entails the intersection improvements; as such, the Project would not result in any increase in water demand/consumption. Landscape improvements, if applicable, would not require any new or expanded water entitlements and would not be substantially increased, compared to that analyzed as part of the Bristol Street Widening Project. Thus, the proposed Project would not create any new significant environmental impact. Impacts would not be greater than previously analyzed in the 1990 FEIS/EIR. Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable Mitigation Measures: No additional mitigation measures are required. e) 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? Refer to Response 3.17(a) and 3.17(b). The proposed Project would not result in an increase in wastewater production. Impacts would not be greater than previously analyzed in the 1990 FEIS/EIR. Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable. Mitigation Measures: No additional mitigation measures are required. f) Be served by a landfill with sufficient permitted capacity to accommodate the project's solid waste disposal needs? The proposed Project would generate construction waste on a short-term basis. Construction waste that cannot be recycled would be taken to available landfills. The closest receiving landfills for the City are the Frank R. Bowerman Sanitary Landfill at 11002 Bee Canyon Access Road in Irvine, and the Olinda Alpha Landfill at 1942 N. Valencia Avenue in Brea. The Frank R. Bowerman Sanitary Landfill, which is owned and operated by the Orange County Integrated Waste Management Department, opened in 1990, and has enough projected capacity to serve residents and businesses until approximately 2053.16 The Olinda Alpha Landfill opened in 1960, and has enough 16 Orange County Waste and Recycling, Frank R. Bowerman Landfill, http://www.oclmdfills.com/landfilYactive/ bowennan, accessed August 17, 2017. Draft I November 2017 3-29 Environmental Consequences 75A-58