*Evacuation Safety PlannersEvacuation Safety Planners*Progress Report

IntroductionIntroduction::

• Objectives for this project were arrived upon through correspondence with the City of San Marcos, Texas

• Two floods in the past 10 years where water levels have surpassed the 500 year floodplain

• Flood management used to reduce damage and sustain life in at-risk communities

ESP’s ObjectivesESP’s Objectives:

• Determine low water crossings

• Locate potential flood risk areas

• Designate various emergency shelters

• Evaluate mobility of at-risk citizens• Determine evacuation routes from

hazardous locations

Scope:

• This study will cover the City of San Marcos, Texas and the associated Extraterritorial Jurisdiction up to and including the city expansion according to the Master Plan.

Projected Timeline

Week 1 2 3 4 5 6 7 8 9 10

DatesSept.25th

Oct.2nd

Oct.9th

Oct.16th

Oct.23rd

Oct.30th

Nov.6th

Nov.13th

Nov.20th

Nov.27th

Data Collection

Data Processing

Data Analysis

Interpretation

Deliverables andReview

Work Completed

• Overlay analysis of FEMA floodplain data and 1998 flood line data

• Determination of Low water crossings• Proposed emergency shelters identified• Risk assessment of land parcels based

on the 1998 flood damage report

Work In Progress

• Risk assessment based on tax appraisal and other demographic data

• Metadata formation and data management

• Website development– Collaborative effort with FADDEN– Access to the future progress of the

study

Work Planned

• Network analysis using ArcGIS and incorporating other aspects of the study

• Easy-to-read large scale evacuation route maps to be used by rescue teams in the event of a flood emergency

• Forecast evacuation routes based on proposed infrastructure growth and expected population growth

Overall AppraisalOverall Appraisal

• On time for December 8th completion• Concerns regarding the risk assessment

based on tax appraisal and other demographic data

• Access the website to view the progress of the study

Questions?