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LSA ASSOCIATES, INC. INITIAL STUDY/MITIGATED NEGATIVE DECLARATION JULY 2010 FIRST STREET BRIDGE REPLACEMENT PROJECT CITY OF SANTA ANA Ana River and will widen First Street. No existing on -street parking will be removed. The land use types on the project site will not change, and therefore no new parking spaces are required for the proposed project. G. Conflict with adopted policies supporting alternative transportation (e.g., bus turnouts, bicycle racks)? Less than significant impact. The proposed project is not in conflict with any adopted policies or programs supporting alternative transportation. Orange County Transportation Authority (OCTA) bus route 64 runs along the First Street from Huntington Beach to Tustin. The nearest bus stops are located at the Harbor Boulevard and First Street intersection to the west of the bridge and the First Street/Raitt Street intersection to the east of the bridge. Therefore, implementation of the proposed project would not conflict with the existing bus stops locations. OCTA bus route 64 will continue to operate during construction activities on the bridge because one travel lane in each direction will remain open. The CBSP established the Santa Ana River Trail, which provides a trail for bike users along the Santa Ana River from the Chino Hills State Park boundary to the river's mouth in Huntington Beach. The Santa Ana River Bicycle Trail runs north -south along the east side of the Santa Ana River and underneath the First Street/Santa Ana Bridge. The construction phase of the proposed project will temporarily impact the existing bike trail traffic and thus will require rerouting of bicycle traffic onto local streets at various times during construction. The Bicycle Detour Plan, which is described in detail in Section 2.0, has been designed to prevent bicyclists from needing to cross lanes as they access local streets from the bicycle trail. Implementation of the Bicycle Detour Plan will reduce impacts bicyclists to less than significant levels. No mitigation is required. XVI. Utilities and Service Systems Would the project A. Exceed wastewater treatment requirements of the applicable Regional Water Quality Control Board? No impact. The project will not require the need for additional treatment of wastewater. The proposed project does not involve expansion of any dwelling units. The proposed project is a bridge replacement and street widening project. Due to the nature of the project, no demand for water services is expected. No impacts are anticipated and no mitigation is required. B. Require or result in the construction of new water or wastewater treatment facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? No impact. With regard to wastewater, refer to XVI.a. The proposed project does not involve any uses that would increase the demand for water on site. The project does not change the land use type on site. Therefore, no impact to existing water supplies or water supply facilities, or wastewater 07/25/10 ,PA\DMJ070l\MND\4.0 Environmental Analysis.doc» 411,05•:X 4-42