Quonset Business Park Infrastructure Assets Water / Wastewater May 17, 2016

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1 Quonset Business Park Infrastructure Assets Water / Wastewater May 17, 2016

2 Quonset Development Corporation As the management and development entity of the Quonset Business Park, QDC maintained Capital Infrastructure includes: 1. Water supply / Distribution 2. Wastewater collection / Treatment 3. Stormwater collection system 4. Roadways and Bridges 5. Railroad Infrastructure 6. Waterfront / Port Infrastructure 7. Buildings 8. Public Spaces (beaches, bike path) 1

3 Water Supply Purpose and System Purpose To provide portable water for domestic, industrial and fire fighting activities System Supply - Source Wells Storage - Elevated Tanks Distribution - Pipes and Pumps Fire Fighting Hydrants and Sprinklers se and System 2

4 QDC Water System Supply Operates 3 gravel packed wells in the Hunt River Aquifer with a pumping capacity of +/- 4.5 MGD Wells Built Wells 9A/14A 1940/1941, Well 3A 1960 Storage Maintains two water storage tanks holding 1,000,000 gallons (combined) Water Towers Built 1998 Distribution Average daily consumption about 700,000 gallons Maintains approximately 34 miles of water distribution piping ranging in sizes from 6 inches to 30inches, servicing 230 connections Maintains 610 water valves Fire Protection Maintains 200 Hydrants throughout the Park 3

5 Water System Depreciating Capital Improvements Asset Cost Basis Accum. Depr. Net Book Supply New roof for wells 9A and 14A $10,203 $5,817 $4,386 2 Security Gates at Well 9A $3,920 $686 $3,234 Wells 9A and 3A Radio Communication $27,362 $3,648 $23,714 Storage Water Tower Painting (2014) $489,414 $53,020 $436,394 Water Tower Land Improvements $113,072 $38,600 $94,473 Distribution Water System Upgrade $400,683 $101,840 $298,843 Water System Upgrade/Improvements $1,680,509 $121,370 $1,559,139 GPS Pipe and Line Locator $4,912 $3,848 $1,064 System SCADA Upgrade - Water System $18,980 $5,061 $13,919 $2,749,055 $333,890 $2,435,166 4

6 Water Distribution Piping Water Pipe Material Water Pipe Age 9% 8% 29% 29% 54% 54% 8% 9% 5 Cast Iron Ductile Iron Polyvinyl Chloride Transite >15 years years years <60 years

7 Water Pipe Reliability 14 Pipe Repair Incidence Water Breaks

8 Future Planned Water Projects CATEGORY/DESCRIPTION FY16 FY17 FY18 FY19 FY20 Total Annual Total $186,400 $511,000 $465,400 $443,000 $244,100 $1,850,200 SUPPLY Well Building Roof (3) $15,000 $7,000 $22,000 Access Road Patching $3,000 $3,000 $3,000 $9,000 Replace Barb Wire at Well (2) Fence $5,000 $5,000 $10,000 Replacement ph and c12 analyzers $5,000 $10,000 $15,000 Replacement ph and c12 pumps $7,000 $7,000 $14,000 Control System Inspection/Upgrade $20,000 $20,000 $20,000 $60,000 Well Redevelopment $45,000 $45,000 Well Inspections (3) $2,400 $2,400 $2,400 $7,200 Well 3 Motor Replacement $9,000 $9,000 Subtotal $66,400 $5,000 $70,400 $0 $49,400 $191,200 STORAGE Tank Inspection (2) $20,000 $20,000 $20,000 $60,000 Tank Valve Rebuilding $2,000 $2,000 $2,000 $6,000 Motion Cameras Wells & Towers $30,000 $20,000 $50,000 Lighting/LED Exterior $8,000 $8,000 Tank Painting - FY21 Subtotal $52,000 $28,000 $80,000 $0 $22,000 $124,000 7

9 Future Planned Water Projects CATEGORY/DESCRIPTION FY16 FY17 FY18 FY19 FY20 Total DISTRIBUTION Water main replacements Capital - other replacements Park wide $25,000 $150,000 $150,000 $325,000 Water main replacements Capital RWW, Dillabur to Airport $375,000 $375,000 Water main replacements Capital RWW, Cripe, Airport $350,000 $350,000 Water main replacements Capital RWW, Eccleston, Airport $270,000 $270,000 Customer service line installations $5,000 $5,000 $5,000 $5,000 $5,000 $25,000 Customer meter replacement $15,000 $15,000 $15,000 $15,000 $15,000 $75,000 Hydrant replacement $3,000 $3,000 $3,000 $3,000 $3,000 $15,000 Water Valve replacements (5 ea, 16" valves) - Dillabur $20,000 $20,000 Water Valve replacements (5 ea, 16" valves) - Potter Road $80,000 $80,000 Subtotal $68,000 $478,000 $373,000 $443,000 $173,000 $1,535,000 8

10 Water System Replacement Costs Water Towers $3M Wells (3) $16M Approximately 200 Hydrants through out the Park $2M Approximately 610 Water Valves through out the Park $2M Approximately 34 miles of piping $27M Total replacement cost $50M 9

11 QDC Wastewater Treatment System Purpose Collect, treat, and discharge Collection Forced Main Gravity Sewer Maintains approximately 22 miles of sewer collection pipes 426 sewer manholes 10

12 QDC Wastewater Treatment System Pumping Maintains four wastewater pumping stations Pumps convey wastewater into collection system Treatment Operates Quonset Wastewater Treatment Facility Treats about 400,000 gallons per day Treats wastewater to comply with the Clean Water Act prior to discharge into receiving water 11

13 Wastewater System Depreciating Capital Improvements 12 Asset Cost Basis Accum. Depr. Net Book Collection Sewer Monitoring System-Mill Creek $44,288 $2,214 $42,073 Sewer Plant - Line Improvements $12,134 $2,326 $9,808 Sewer Plant Line $146,187 $30,212 $115,975 Wastewater System Upgrades $10,428,631 $1,378,642 $9,049,989 Subtotal $10,631,240 $1,413,394 $9,217,846 Pumping D1 Grinder- Burlingham $22,639 $1,164 $21,475 Army Corp of Eng Sewer Project $291,516 $35,720 $255,796 Baldor Motor for W/W Lift Station $2,753 $474 $2,279 Commerce Park Pumping Station $640,617 $70,101 $570,516 DS-55 Compressors $2,286 $57 $2,229 DS-55 Upgrade $6,800 $1,303 $5,497 DS-55 Ventilation $7,234 $271 $6,963 VFD Speed Controller DS-55 $10,900 $1,998 $8,902 WWTF Channel Monster $14,225 $9,127 $5,097 Subtotal $998,970 $120,217 $878,753

14 Wastewater System Depreciating Capital Improvements Asset Cost Basis Accum. Depr. Net Book Treatment Blower - Roofs $3,966 $1,041 $2,925 Chlorine Exchange Reducer $5,748 $1,067 $4,681 ISCO 5800 Effluent Sampler $4,085 $443 $3,642 RBC Replacements $1,477,357 $215,604 $1,261,753 Rehab Primary Clarifier #2 $39,148 $7,699 $31,449 Sewer Plant Upgrade - Pumps & Roof $71,910 $19,281 $52,630 Sludge Collector Rehab $35,454 $8,036 $27,417 Sludge Storage Tank Pumps $38,350 $7,670 $30,680 Submersible Pumps & Accessories $71,453 $27,390 $44,063 WWTF Grinder/Motor $10,493 $743 $9,750 Subtotal $1,757,964 $288,974 $1,468,989 Total $1,338,173 $12,822,585 $11,565,588 13

15 Sewer Pipe Material and Age Sewer Pipe Material Sewer Pipe Age 19% 8% 5% 8% 16% 39% 6% 1% 59% 39% Cast Iron Ductile Iron Polyvinyl Chloride Transite Vitrified Clay Relined >15 years years years <60 years 14

16 Future Planned Wastewater Projects CATEGORY/DESCRIPTION FY16 FY17 FY18 FY19 FY20 Total Annual Total $128,000 $825,000 $787,000 $210,000 $170,000 $2,100,000 Collection Sewer Line Replacement $200,000 $200,000 $150,000 $150,000 $700,000 Subtotal $0 $200,000 $200,000 $150,000 $150,000 $700,000 Pumping Davisville Pier Pumps $20,000 $20,000 Wet Well Ventilating system Upgrade $15,000 $15,000 Subtotal $35,000 $0 $0 $0 $0 $35, Treatment Lighting/LED (pumping and treatement) $25,000 $25,000 $50,000 Secondary Clarifier Tank Painting $30,000 $30,000 Sludge Storage Tank Blower Refurbish $10,000 $10,000 Sludge Storage Tank Inspection/Clean/Rehab $40,000 $20,000 $60,000 Chlorine Building exposed Frame Repair & Painting $8,000 $8,000 Digestor Rehab $60,000 $60,000 RBC Air piping rehab $15,000 $15,000 Security Fence 8 Ft Extension (2 Sides) $60,000 $60,000 Secondary Clarifier Drum Replacement $500,000 $500,000 $1,000,000 Davisville Pier Pumps $20,000 $20,000 Ops Bldg Roof Recoating & Gutter Repl $22,000 $22,000 Patch Repave Roadway and Walkway $50,000 $50,000 Subtotal $93,000 $625,000 $587,000 $60,000 $20,000 $1,385,000

17 Wastewater System Replacement Costs About 22 miles of pipes and manholes $24M 4-Pump Stations $4M Wastewater Treatment Facility $26M Total replacement cost $54M 16