Too Many Projects, Not Enough Money · 2019-10-24 · Too Many Projects, Not Enough Money Practical...

June 21, 2018

2018 ASFPM

Too Many Projects, Not Enough MoneyPractical Solutions to Optimize Limited Funding

Near Southside Regional Drainage Study

Agenda

Background & Objectives

Prioritization System

Results

Conclusions

Database

Background & Objectives

Stormwater Mission

• To protect people and property

from the harmful effects of stormwater

44Lubbock at Devitt (2004)

Prior Planning Efforts

• 89 reports, 500 investigated alternatives

Allocating Limited Resources

• 200 potential projects, $450 M

Objectives

Objective and repeatable process as a

foundation for decision-making

Understandable system which can be

communicated internally and externally

Ability to reference and update

on a daily basis

Objectives

• Guide projects through the life cycle

STRATEGIC FEASIBILITYPROJECT

DEVELOPMENTCIP

What & Where?• Objectives• Constraints• Preferred strategy• Extents• Conceptual cost

Fatal Flaws?• External coordination• Land acquisition,

ROW• Community

opposition/support• Refined cost

Exactly How?• Utilities• Constructability• Scheduling• Implementation risks• Geotech• Cost

Prioritization System

Challenges

Information

Complexity

Objectivity Objective

Complex

Subjective

Simple

Prioritization Process

Establish Criteria

Establish Scoring Process

Determine Weighting Factors

Project Priority Rankings

Criteria Selection

• Aligned with broader City objectives,

focused on the Stormwater mission

5 criteria

18 criteria

Criteria Weights

Road Hazard(30%)

Structure Flooding

Rehab(15%)

Cost Efficiency

CustomerSatisfaction

Mapshed

Criteria Metric

Road Hazard

Low water crossings

High water rescues

Fatalities

Structure FloodingAt-risk structures

Repetitive loss areas

Rehab Criticality

Capacity Pipe grades

Customer Satisfaction Reported flood incidents

Mapshed Prioritization

• Identifying future

planning efforts using

available spatial datasets

Scoring Criteria & Metrics

Criteria Metric

Road Hazard Risk-based hazard reduction

Structure Flooding Risk-based flood reduction

Infrastructure Rehab Criticality

Cost Efficiency Score-to-cost ratio

Customer SatisfactionSupport/opposition,

Reported flood incidents

Scoring System

Criteria Score WeightWeighted

Road Hazard 35 30% 10.5

Structure Flooding 50 30% 15

Rehab 20 15% 3

Cost Efficiency 50 15% 7.5

Customer Satisfaction 50 10% 5

TOTAL 41

Results

Ranking

0 50 100 150 200

Data Entry

• Varying levels of information

Data Class

Data Class Description

0 Limited information, no model

1 Limited information, model available

2 Adequate information, no model

3 Adequate information, model available

4 Partial spreadsheet documentation

5 Complete spreadsheet documentation

0 20 40 60 80 100

Data Class

Database

Data Entry

Photos

Project Location

Filters

One Page Report

Ranked List

Project Assessment Form

STRATEGIC FEASIBILITYPROJECT

DEVELOPMENTCIP

Spreadsheet Export

Potential Extensions

Conclusions

• Objective foundation for decision-making

in alignment with the Stormwater mission

• Facilitates transparent disclosure of

decision-making criteria

• Risk-based metrics focus on chronic issues

• Statistics-based rules enable flexibility and

an accurate picture of relative benefits

• Database improves access to information

Chris Johnson, P.E., CFMchristopher.johnson@fortworthtexas.gov817-392-7901

Scott Hubley, P.E., CFMskh@freese.com817-735-7378

Mark Pauls, P.E., CFMmark.pauls@freese.com817-377-6061

Too Many Projects, Not Enough Money · 2019-10-24 · Too Many Projects, Not Enough Money Practical...

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