city council august 7, 2012 hickory update & water supply update
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![Page 1: City Council August 7, 2012 Hickory update & Water Supply Update](https://reader033.vdocuments.us/reader033/viewer/2022051312/54793fb2b4af9f836a8b47c2/html5/thumbnails/1.jpg)
San Angelo Water Supply Update
August 7, 2012
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Historical Lake Levels
1930
1933
1936
1939
1942
1945
1948
1951
1954
1957
1960
1963
1966
1969
1972
1975
1978
1981
1984
1987
1990
1993
1996
1999
2002
2005
2008
2011
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
Lake NasworthyTwin ButtesO.C. Fisher
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Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-120
20,000
40,000
60,000
80,000
100,000
120,000
140,000
Stored Water Volume in Acre-Feet
Ivie Reservoir
123,400
75,820
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Twin Buttes Reservoir
Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-120
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
Stored Water Volume in Acre-Feet
15,451
8,780
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Lake Nasworthy
Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-120
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
Stored Water Volume in Acre-Feet
8,360 A-F
6,380 A-F
1870.92 Ft.
1869.20 Ft.
Change in Volume: 1,980 Acre-FeetChange in Elevation: 21 Inches
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O H Ivie Reservoir
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Projected Water Supply
Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept Oct0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
20,000
IvieSupply
Depleted
Month
Pro
ject
ed S
up
ply
, Acr
e-F
eet
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Twin Buttes South Pool Pumping
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Pipelines to Equalization Channel
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Flow Through Equalization Channel
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Water Flowing Into North Pool
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Hickory Project Update
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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
• Project Substantially Complete: May 2012
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Well Field Layout
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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
• Contract Completion: July 2013
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30” Pipeline Installation
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Transmission Pipeline Status
WELL FIELD
PUMP STATION
STARTINGPOINT
7 MILESAS OF 8/1/12
4.5 MILESAS OF 8/1/12
30” PIPELINE
TOTAL: 62 MILESCOMPLETED: 11.5 MILES
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Well Field-Booster Pump Station
• Equip 9 Existing Wells
• Construct 6 mgd Pump Station
• Construct Two 500,000 gallon Tanks
• Install Microwave Telemetry System
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Booster Station-Well Field Contract
• Contractor: Archer Western
• Contract Amount: $12.85 million
• Notice to Proceed: June 18, 2012
• Substantial Completion: June 2013
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Well Preparation
Removal of obstruction in Well #4
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Well Cleaning
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Roads to Well Sites
14 miles of crushed limestone roads
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Treatment Plant
• Treatment Method Selected: June 2012
• 20% Design Status: August 2012
• Advertise for Bids: April 2013
• Notice to Proceed: June 2013
• Substantial Completion: August 2014
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City Council Meeting August 7, 2012
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Removal of obstruction in Well #4