1. City Council
April 3, 2012

2. Hickory Water Supply
Update
April 3, 2012

3. Well Field Collector Pipelines
• Installation of 50,700 feet of pipe to nine wells
• General Contractor: Price Construction
• Pipeline Sub-Contractor: Darnell & Dickson
• Contract Amount: $3.8 million

4. Well Field Layout

5. Well Field Collector Pipelines
16 inch Collector Pipeline
Pipeline Installation
Between Wells

6. Collector Pipe At Well #1

7. Transmission Pipeline
• 62 miles of 30” pipe from well field to San Angelo
• Contractor: Oscar Renda
• Sub-Contractor: S J Lewis
• Contract Amount: $39 million

8. Transmission Pipeline Route

9. R.O.W. Preparation

10. Well Field Development
• Equip 9 existing wells
• 175 to 200 Hp pumps
• Depth setting: 720-830 ft
• Pumping capacity: 500 gpm

11. Booster Pump Station

12. Well Field-Booster Pump Station
• Design Complete March 1st
• Advertise for Bids March 23rd
• TCEQ Plan Review in Progress
• Tentative Bid Opening May 1st

13. Treatment
• Purpose:
Remove Radium 226-228 to EPA standard of 5 pCi/L
• Pilot testing of treatment methods:
• Ion Exchange: Completed 2011
• Reverse Osmosis Pilot Testing 2012

14. R.O. Pilot Plant
• Test performance of 3 different R.O. membranes
• Startup: February 2012
• Report to TCEQ on results: May 2012

15. Pilot Test Facility

16. Reverse Osmosis Pilot

17. Treatment
• Report to Council: June 2012
- Select treatment method
- Begin final design
• Advertise project for bids 2013
• Place in operation 2014

18. City Council Meeting
April 3, 2012