Stormwater Management Program

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Noah Marsh
6 years ago
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1 Derry Township Municipal Authority Stormwater Management Program Stormwater Stakeholder Advisory Committee Meeting #3 February 24, 2016

2 Agenda 1. News & Updates 2. Recap Average/Expanded Level of Service (A/E LOS) 3. Capital Improvements included in A/E LOS 4. Additional Capital Improvement Needs 5. Cost Comparison 6. Review Public Education and Outreach Plan

Program Level of Service Level of Service O&M Planning & Compliance Capital Improvements Exceptional Fully Preventative/ 100% Routine Comp planning, NPDES compliance Prioritized/Fully Funded

3 Program Level of Service Level of Service O&M Planning & Compliance Capital Improvements Exceptional Fully Preventative/ 100% Routine Comp planning, NPDES compliance Prioritized/Fully Funded Comprehensive Mix of routine & inspection based Priority Planning Phased/allocated budgets Expanded Average Inspection based Responsive only Reactionary Planning Emergency Inspectionbased/moderate budget Critical needs only/minimal budget Minimal Non-Responsive No Planning No planning/no budget

4 Current Stormwater Program Township crews spend approximately: 1 week per year cleaning inlets 5 days per year cleaning up after storm events 20 days a year replacing inlets (amounts to inlets a year) Township crews also handle leaf collection Each street swept ~ once/month $7M of drainage improvements completed last year

5 Budget Average/Expanded LOS Estimated annual budget Function Average Cost Years 1-5 Average Cost Years 1-10 Operation & Maintenance $260,000 $280,000 MS4 Compliance $260,000 $280,000 Capital Improvements $450,000 $450,000 Administrative/General $150,000 $160,000 Total Annual Budget $1,120,000 $1,170,000

6 Deficiencies of Current Program Privately owned infrastructure is not routinely inspected. Significant portion of facilities anticipated to reach its useful life in next years. Condition of pipes largely unknown. $20M to $30M of improvements identified through planning efforts. Funding not available to: complete additional capital improvements perform more routine maintenance, meet increasing MS4 requirements.

7 Capital Improvements in A/E LOS Proposed Capital Improvement Projects ( ) Storm Sewer System Capital Projects Total Capital Cost Emergency Repairs $ 1,755,000 Wood Road at Bullfrog Valley Road $ 1,000,000 Bullfrog Valley Stream Rehabilitation $ 1,000,000 Sunset Drive $ 1,000,000 Hersheypark Drive - Shopping Center $ 2,000,000 Route 422/322 Interchange $ 100,000 Norfolk Southern RR Near Sipe Avenue $ 1,000,000 Bindnagle Road $ 1,000,000 Total Stormwater System Capital Cost $ 8,855,000

8 Other Identified Capital Improvement Needs Princeton Drive / Dartmouth Road $1,000,000 Middletown Road / Grove Street $500,000

9 Other Identified Capital Improvement Needs Palmdale Park & Route 422 $2,000,000

10 Other Identified Capital Improvement Needs Highmeadow Camp Parking Lot $500,000

11 Other Identified Capital Improvement Needs West Mansion Road $3,000,000

12 Other Identified Capital Improvement Needs Infrastructure Replacement System consists of roughly 350,000 LF of pipe and 4,200 structures Condition of pipes largely unknown Roughly 60% of pipe is CMP with an average age of years Majority of pipe reaching useful life in next years

13 Moving to a Higher Level of Service Level of Service O&M Planning & Compliance Capital Improvements Exceptional Fully Preventative/ 100% Routine Comp planning, NPDES compliance Prioritized/Fully Funded Comprehensive Mix of routine & inspection based Priority Planning Phased/allocated budgets Expanded Average Inspection based Responsive only Reactionary Planning Emergency Inspectionbased/moderate budget Critical needs only/minimal budget Minimal Non-Responsive No Planning No planning/no budget

14 Program Costs Other Water Quality [MS4] Administration Finance Engineering & Planning O&M Capital Project

15 Additional Capital Improvements in Comprehensive LOS Storm Sewer System Capital Projects Years Total Capital Cost Inventory and Mapping of Infrastructure $ 100,000 Princeton Drive / Dartmouth Road $ 1,000,000 Middletown Road / Grove Street $ 500,000 Infrastructure Replacement Project No. 1 $ 5,200,000 Infrastructure Replacement Project No. 2 $ 5,900,000 Palmdale Park & Route 422 $ 2,000,000 Highmeadow Camp Parking Lot $ 500,000 West Mansion Road $ 3,000,000 Study for Alternative Access to Hershey Medical Center $ 500,000 Transfer to Capital Reserve $ 700,000 Total Additional Capital Costs $ 19,400,000

16 Other Budgetary Costs in Comp LOS Partnership with USACE (50/50 cost share) Mapping/Condition Assessment of Infrastructure (years ) ~ $300,000 ($150,000 DTMA Share) Impervious Surface Development (2019) Flood Modeling (2020) Flood Emergency Access Study Addition of 2 nd Stormwater Crew Asset Management/Capital Improvement Planning (2019) ~ $100,000 Software/Licensing/Imp ~ $30,000 Studies

17 Comparison of LOS Costs Average Cost Years 1-10 A/E LOS Above costs are estimated annual expenditures. Comp LOS Operation & Maintenance $280,000 $360,000 MS4 Compliance $280,000 $310,000 Capital Improvements $450,000 $660,000 Administrative/General $160,000 $160,000 Total Annual Budget $1,170,000 $1,490,000 Costs with Comprehensive LOS are roughly 40% greater over the initial 10 years

APWA 2016 PWX 8/18/2016. A How to Guide to Funding Stormwater Projects for Small Cities/Rural Communities PWX Minneapolis August 29, 2016

APWA 2016 PWX 8/18/2016. A How to Guide to Funding Stormwater Projects for Small Cities/Rural Communities PWX Minneapolis August 29, 2016 A How to Guide to Funding Stormwater Projects for Small Cities/Rural Communities. 2016 PWX Minneapolis August 29, 2016 PART 1 WHAT IS A STORM WATER UTILTY? 1 OVERVIEW Stormwater Utility Definition Authority