city council april 3, 2012 hickory aquifer project update
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City CouncilApril 3, 2012
Hickory Water Supply Update
April 3, 2012
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
Well Field Layout
Well Field Collector Pipelines
16 inch Collector Pipeline
Pipeline Installation Between Wells
Collector Pipe At Well #1
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
Transmission Pipeline Route
R.O.W. Preparation
Well Field Development
• Equip 9 existing wells
• 175 to 200 Hp pumps
• Depth setting: 720-830 ft
• Pumping capacity: 500 gpm
Booster Pump Station
Well Field-Booster Pump Station
• Design Complete March 1st
• Advertise for Bids March 23rd
• TCEQ Plan Review in Progress
• Tentative Bid Opening May 1st
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
R.O. Pilot Plant
• Test performance of 3 different R.O. membranes
• Startup: February 2012
• Report to TCEQ on results: May 2012
Pilot Test Facility
Reverse Osmosis Pilot
Treatment
• Report to Council: June 2012 - Select treatment method - Begin final design
• Advertise project for bids 2013
• Place in operation 2014
City Council Meeting April 3, 2012