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NELSON NYGAARD - 2015
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NELSON NYGAARD - 2015
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Last modified
3/27/2017 12:08:09 PM
Creation date
9/28/2015 5:24:08 PM
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Contracts
Company Name
NELSON\NYGAARD
Contract #
A-2015-042
Agency
PUBLIC WORKS
Council Approval Date
4/7/2015
Expiration Date
4/6/2016
Insurance Exp Date
9/1/2016
Destruction Year
2021
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Santa Ana Safe Mobility Plan I Revised Scope of Work <br />City of Santa Ana, CA <br />The purpose of this task is to evaluate locations that represent the greatest risk for pedestrian and <br />bicycle involved collisions. This task will allow the consultant team to more deeply understand on <br />the ground conditions, confirm issues identified in the collision analysis, and identify <br />contributing factors that may not be present in the data. We propose an analytical framework for <br />identifying and selecting a set of locations representative of safety issues throughout the <br />community and then conduct walk audits and field review with community members to discuss <br />the nature of the safety issues at each location. <br />5.1 Location Prioritization: Pedestrian and Bicycle Demand/Deficiency Analysis <br />Active transportation prioritization processes typically include measures that can be broadly <br />classified as reflective of demand (e.g., proximity to schools, parks, transit stops, population <br />density, employment density) and those reflective of network deficiency (e.g., collision history, <br />number of travel lanes, posted speed, AADT, availability or lack of traffic control). To inform the <br />selection of higher risk field review locations, we will <br />utilize a heat mapping exercise that identifies the <br />relative demand for walling and bicycling throughout <br />the city and compares it to the level of obstacle <br />t ` <br />presented by the roadway network. This analysis will <br />a <br />illuminate areas with both high demand and high <br />deficiency, which are frequently high priority areas. The <br />resulting map, overlaid with the risk based and hot spot <br />collision analyses, will allow our team to suggest a list <br />of high risk locations from different parts of the city, <br />reflective of the differing conditions facing people` <br />walling and bicycling throughout Santa Ana. <br />5.2 Field Review: Community Walk/Bike <br />Audits <br />We will conduct community walk and/or bike audits at <br />a sub -set of the locations identified in Task 5.1. These <br />audits, conducted throughout the city, will provide <br />residents from different neighborhoods an opportunity <br />to share their perceptions of safety issues they <br />g ` <br />encounter when walking and bicycling. This task will <br />provide valuable information to complement the <br />consultant team s understanding of contributing This map overlays an assessment of walking <br />factors based on the collision data. In addition to demand with a measure of roadway conditions and <br />listening to the community, these audits will allow our infrastructure quality to highlight areas with a <br />team to observe vehicle, walking and bicycling mismatch of demand and supply. <br />behaviors or infrastructure elements that may be contributing to safety risk. The field reviews will <br />be conducted when school is in session. In addition to raising community understanding of the <br />Safe Mobility Plan issues, the mobile audit workshops will be used to confirm the relative <br />importance of the risk factors developed in Task 4.2 and Task 5.1. <br />NelsonlNygaartl Consulting Associates, Inc. 16 <br />
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