backbone improvement program 5 million gallon tank workshop
TRANSCRIPT
1
*
Backbone Improvement Program 5 Million Gallon Tank Workshop
David Lippman, P.E.
2
Las Virgenes Res & Westlake F.P.
MWDSC Connection
3
4
*1963 Initial Backbone System *Calabasas Tank (8 MG), Conduit PS & 20”,24” & 30” Mains
*1971 Equestrian Trails Tank (4.2 MG)
*1972 Las Virgenes Reservoir, Westlake PS & Cornell PS
*1978 LV-2 MWD Connection & 1st Leg of 42” Main *Change from Colorado River Water to State Project Water
*1982 Cornell PS Expansion
*1986 Morrison Tank (3 MG)
*1989 Westlake Filter Plant
*1990 LV-2 Pump Station
*2002 Second Leg of 42” Main
*2012 Agoura Road Transmission Main
5
6
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
2010 2015 2020 2025 2030 2035
Po
pu
lati
on
Projected Population
1989 MP 1999 MP 2005 UWMP 2007 MP 2010 UWMP
7
-
10,000
20,000
30,000
40,000
50,000
60,000
2010 2015 2020 2025 2030 2035
Acr
e-f
ee
t
Projected Annual Deamand
1989 MP 1999 MP 2005 UWMP 2007 MP 2010 UWMP 2010 UWMP w/ conv
8
0
500
1,000
1,500
2,000
2,500
3,000
3,500
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Acre
Fee
tMonthly Demands
2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 AVG
0
5
10
15
20
Existing Future
5
Mill
ion
Gallo
ns
Existing Storage Required Storage
9
2008 2009 2010
Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1
10
Approved Master Plan Oct 2007
Adopted MND Oct 2009
Alternative Study and MND Sept ‘08 – Aug ‘09
Presentations at City Council, Committee Meetings & 3-Springs HOA
*Program Mitigated Negative Declaration
*Aesthetics
*Biological Resources
*Geology, Soils and Seismicity
*Noise
*Transportation and Traffic
11
12
C
A
2010 2011 2012
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2
13
Transmission Main Design
Awarded Agoura Rd Contract $4.5M
BM 1/10
BM 1/11
BM 8/10
BM 4/11
BM 6/11
BM 12/11
BM 8/11
BM 1/12
Public Workshop July 2011
14
Geotechnical Work
Geotechnical Work
Access Road
Blasting Expert Dam Expert
C
A
July 30, 2011 Public Workshop
Visual Simulations
Alternative Route
Street & Storm Drain Integrity
Batch Plant
Valley Fever Concerns
Traffic Volumes Mock Construction Schedule
Additional Visual Simulations
December 13, 2011 Board Meeting
Alternative Routes The Need Traffic Impact Study
*March 24, 2012 Public Workshop
*The Need – Dan Ellison, P.E.
*Alternative routes
*Civil Design – John Coffman, P.E.
*Environmental Constraints – Kevin Smith,
*Traffic Impact Study – John Zhao, P.E.
*Public Comments
15