HomeMy WebLinkAboutCAPITAL PROJECTS ACTION SUMMARY 10-28-08
Central Contra Costa Sanitary District
50191mlloff Place, Martinez, CA 94553-4392 (925) 228-9500 . wwwcentlalsanOlg
CAPITAL PROJECTS COMMITTEE
ACTION SUMMARY
Chair Menesini
Member Hockett
Tuesday, October 28, 2008
3:00 p.m.
Third Floor Executive Conference Room
Central Contra Costa Sanitary District
5019 Imhoff Place, Martinez, CA
PRESENT: Mario Menesini, Barbara Hockett, Jim Kelly, Ann Farrell, Tad Pilecki, Gail
Chesler, Dana Lawson, Ba Than, Andrew Antkowiak, Alex Rozul
1. CALL MEETING TO ORDER
Chair Menesini called the meeting to order at 3 p.m.
*2. REVIEW POSITION PAPER FOR ADDITIONAL ALLOCATION NEEDS FOR
CAPITAL PROGRAM FOR CURRENT FISCAL YEAR (2008-09)
Each year staff must make an estimate of the amount of allocated funds in the
capital program that will be carried over to the next fiscal year. When the actual
carryover is known, after the close of the fiscal year, there may be a need to
adjust the authorizations for the next fiscal year if the allocation carry over is
significantly different than what was estimated. Gail Chesler provided a draft
position paper as well as a detailed analysis of the reasons for the differences in
allocation carryover and the resultant need for additional authorization to fund the
planned expenditures for fiscal year 2008-09 (see attached).
COMMITTEE ACTION: Acknowledged need for additional Board
authorization to fund the planned capital expenditures for 2008-09. A
Position Paper will be presented to the Board at the November 6, 2008
Board meeting.
ft
"., Recycled Paper
Capital Projects Committee
October 28, 2008
Page 2
*3. REVIEW MEMO PRESENTING ALTERNATIVE EXPENDITURES
SCENARIOS FOR FISCAL YEAR 2009-10 AND RECEIVE INPUT
Ms. Farrell reviewed the information provided to the Board on the three
potential expenditure scenarios, the Aggressive, Moderate and Reduced
expenditure scenarios. She explained the differences between the scenarios
and recommended that staff proceed with the Moderate expenditure scenario
to develop preliminary information on the fiscal year 2009-10 Capital Budget
and Plan. The Moderate scenario allows needed projects to go forward while
keeping rate impacts to a modest approximately $13 increase per year (see
attached) .
COMMITTEE ACTION: The Committee endorsed use of the Moderate
capital program spending scenario in developing the Capital Budget
and Plan for fiscal year 2009-10 to be presented to the full Board at the
Capital Program Workshop scheduled for November 13, 2008.
*4. HIGHLIGHT SEVERAL MAJOR PROJECTS PLANNED FOR 2009-10 AND
BEYOND AND RECEIVE INPUT ON PROJECTS TO BE FEATURED IN
CAPITAL PLANNING WORKSHOP
Dana Lawson, Associate Engineer, presented an update on the District's efforts
to develop a treatment plant asset management plan. Ba Than, Senior Engineer,
presented information on improvements planned for the solids handling process
in the next ten years. Tad Pilecki, Capital Projects Division Manager, presented
an updated analysis of the progress on the District's sewer renovation program
and how it compares to other agencies in the speed with which the system is
being renovated, as well as the number of overflows (see attached).
Chair Hockett stressed the importance of always considering sustainability and
being "green", as well as meeting seismic criteria. These should be overarching
themes for all projects.
COMMITTEE ACTION: The Committee thanked staff for the detailed
technical presentations. An abbreviated version will be included in the
Capital Program Workshop scheduled for November 13, 2008.
5. ADJOURNMENT - at 4:45 p.m.
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Moderate Soendino Scenario. $1.400.000> 200S-D9 Capital Plan over same ten years.
Shifting of some planned projects to outlying years. The following projects were delayed/deleted
from the Aggressive spending scenario.
Treatment Plant Program
Delay Nitrification Modifications
Delete Cogeneration Replacement
Delete New Electric Blower
Delete Miscellaneous Equipment Replacement
($1000000i
($5.000.000)
($1.000000)
($1000000)
Collection System Program
Delete Renovation Projects
($1800000)
Reduced Soendina Scenario: $3,700.000 < 2008-09 Caprtal Plan over same ten years.
Shifting of some projects to outlying years.
The following project were deleted from the Moderate spending scenario.
Treatment Plant Program
Delete funds from ongoing equipment replacement
1$1.700000)
Collection System Program
Delete funds from the capacity program
($3400000i
1
or9ft
or9ft
TP Asset Management,
DP 7269
Capital Projects Update
~
October 28, 2008
Objective
· Capital Project Forecasting
- Anticipate retirement of assets
- Plan funding
- Pro-active replacement, rather than reactive!
urgent work
4.
1
Asset Inventory
· Mainsaver (Maintenance Management Software)
- contains most mechanical assets and civil
structures
- Generic asset numbers for some piping
systems, paving, fencing, but no quantities
· Missing Inventory:
- Piping (ft, size, material, etc.), accessories,
manholes, catch basins
- Electrical cables, wires, conduits, vaults/
manholes, transformers
- Control systems, PLCs, MMls, workstations, etc.
General Asset Management Planning
,
I ~ Inventory ASHtI
I .
I
I
I
I
I '
LJ
2
---,
Example: 79% of District assets
have an initial service life greater
than 50 years. Only 5% have a
service life less than 20 years.
Breakdown of Assets by Initial
Service Life Expectancy
0-20 yrs,
$39.814,555,
5%
20-35 yrs,
-$105,564,847,
12%
~.;;~;:..
~ 4%
50+ yrs,
$691,094,267 , -
79%
Note: Initial SeMce Ute assumes only _ I
routine maintenance is done. This does not
include an extension at life when a major
overhaul or rehabilitation project is
undertaken.
Breakdown of Assets by Residual Life
. $900
$800
$700
.. $800
~
I $500
~
I $400
$300
$200
$100
$-
0-5 yrs
5-10yrs
10-20 yrs
20+ yrs
R8sldu.1 Life
4
Preliminary 50.yr CIP
J
!i
$30
$10
. Replacement
o Rehabilitation
- 5 Yr Ave (Rehab + Repl)
- 5 Yr Ave (No Rehab)
$25
$20
$0
...................................................
Year
Next Steps
· Evaluate NexGen Asset Management
software.
· Update Engineering procedures & Bid
Docs to capture new asset information.
· RFPs for condition assessments of:
- Concrete structures
- Pavement
· Continue asset inventory
· Evaluate rehab cycles, discuss with POD.
5
End Products
· Active Forecasting Model
- Updates from Mainsaver data
- Produce reports to show which assets to
replace in a given year
· TP Asset Management Report
- Explains model, assumptions
- Cashflow chart ($ for next 50 years)
6
Treatment Plant Program
Solids Handling Improvements
October 28, 2008
Solids Handling Improvements
· Hold Carbon Injection Mercury
Removal-$18.2 M
· Continue with Wet Scrubbers
Replacement +$4M (FY 10/11)
· Replace Centrifuges for improve
efficiency +$3M (FY 12/13 and FY
13/14 )
· Improve Furnace Efficiency and Safety
+$2M (FY 14/15)
l.\,
1
Solids Handling Train Diagram
".'r""'
Wet Scrubbers Replacement
.. ~
1st STAGE SCRUBBER PUMP ~
__~/ PREaUENC~
-wr- PUMP ~
2
Wet Scrubbers Replacement
· End of useful life
· Old technology/reduce water use
· Replace wet scrubbers, ID fan,
strainers, pumps, tanks
· Construct in FY 10/11
Wet Scrubbers Replacement
3
Sludge Dewatering Improvements
,[~
.,eme,
SLUDGE
BLENDING
r TANK
, .&~:;~~'"
I'i
Sludge Dewatering Improvements
· End of useful life
· New technology
· Bridging in cake hoppers
· Replace 4 centrifuges, 4 cake pumps
and hoppers
· Construct in FY 12/13 and FY 13/14
4
Sludge Dewatering Improvements
Sludge Dewatering Improvements
5
Furnace Renovation
Furnace Renovation
· Improve safety-gas leak
· Install additional after-burners
· Replace feed piping
· Install triple fuel system
· Construct in FY 14/15
6
Furnace Renovation
7
E
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Sewer Renovation
T.V. Program Results
(as of Sept 2008)
6"
8"
191 miles
610 miles
35 miles
16 miles
6 miles
1 mile
15 miles
3 miles
0.5 mile
12.4 miles
2.7 miles
0.2 mile
10"
* Total of lines with a score of 5000 or greater is 6.4%
Extrapolation of T.V. Results
Lines scoring 7000 or greater:
1286 miles X (3.80/0 > 7000 score) + 49 miles
1286 miles X (20/0 obstructed) X (500/0 needing
renovation) + 13 miles
Total 6,8 and 10 inch pipe scoring
7000 or greater needing renovation
= 62 miles
Lines rated 5000 to 7000 adds (2.60,'0) + 33 miles
Total miles of 6, 8 and 10 inch pipe
needing renovation
= 95 miles
2
Progress to Date
(miles per year)
The following table reflects the miles of pipe (6,8 &10 Inch)
identified by the TV program renovated to date.
FISCAL YEAR PIPE RENOVATED
IN MILES
2005/06 3.7
2006/07 4.4
2007/08 5.6
2008/09 6.3
TOTAL 20
10 year Renovation Scenarios
(2009/10 - 2018/19)
Total miles of pipe to be renovated per TV Program - 95 miles
Miles of pipe renovated to date - 20 miles
Remaining miles of pipe to renovate - 75 miles
Scenario 10 Yr Cost Miles of pipe Percent Add. Years
(millions) renovated in Renovated to complete
10 Yrs in 10 Yrs
Aggressive $94.9 65 87% -1.5
Moderate/ $87.9 60.3 80% -2.5
Reduced
Cost To $109.6 75 100% -
Complete In
10 years
Above table estimated at $250/ft for 2009/1 0 - $280/ft for
subsequent years.
3
10 Year Proposed Sewer Renovation Program
Moderate Spending Scenario
FISCAL YEAR FOOTAGE RENOVATED TOTAL PROJECT COST
IN MILES (MILLlONS)*
2009/10 7.2 $9.5
2010/11 7.0 $10.3
2011/12 6.0 $8.9
2012/13 3.1 $4.6
2013/14 6.0 $8.8
2014/15 5.1 $7.5
2015/16 4.7 $7.0
2016/17 6.1 $9.0
2017/18 7.7 $11.4
2018/19 7.4 $10.9
TOTAL 60.3 (44.1 )** $87.9 ($75)**
*Estimated at $250/ft for 2009/1 0 - $280/ft for subsequent years.
**2008/09 CIB/CIP Renovation Pro am
Sewer Renovation Program
(Preliminary)
Are We Spending Enough?
· Hired RMC to conduct a bench mark study
· Agencies:
Antioch Clark County
Fullerton Sacramento
Los Angeles Stege Sanitary
Santa Rosa Union Sanitary
· Only Los Angeles has a regulatory driver
4
Total Miles of Gravity Pipe
7,000
6,000
5,000
4,000
3,000
2,000
1,000
CCCSD City of City of C1y of Los CIy of Santa Oark County Sacrarrento Stege San Lklion San
Antioch Fullerton Angeles Rosa VIRlJ Area SO District District
Average Age of Sewers
70
60
50
r!40
III
Gl
>-30
20
10
o
5
30
Percentage of Total System Planned (CCCSD Moderate
Spending Scenario) for Renewal in Next 10 Years
70
I!! 25
I'G
II
>- 20
o
.-
.:
~ 15
a:
iii 10
~
C
II
a: 5
60
50
II
01
40 c(
E
.!
30 !:.
en
20
10
o
o
Clark Union SanSacramento CCCSD City of City of City of City of Los Stege San
County District Area SO Antioch Santa Rosa Fullerton Angeles District
WRD
.0%
Annual Renewal Rates
.5%
.0%
.5%
.0%
.5%
.0%
Clark Union San Sacramento CCCSD City of Cnyof City of City of Los Stege San
County District Area SO Antioch Santa Rosa Fullerton Angeles District
WRD
6
SSO RA lES BY AGENCY
.. 35
.
~
~ 30
o
::
i 25
Cl
Cl
....
.. 20
8-
.
o
~ 15
'5
.! 10
E
~
z
ii 5
~
c
c
C 0
2003
2004
2005
2006
2007
How Do We Reduce Overflows
cso:
Increase Maintenance Frequency
- 24 month schedule lines to 12 months
- 12 month schedule lines to 6 months
- Continue to emphasize quality cleaning
Engineering:
Increase focus on lines with past overflows
Accelerate Renovation Program from $44 Million
to $60 Million
7
Cleaning Frequency For Lines With
Overflows The Past 2 Years
Cleaning Overflow Percent of Percent of Lines on this Schedule
Frequency Count Total Count That Overflowed( Entire District)
(Months) = 156
1 2 1.3% 2.1%
2 3 2.0% 2.3%
3 7 4.6% 1.8%
6 27 17.8% 1.5%
12 50 32.9% 1.4%
24 27 17.8% 1.4%
36 4 2.6% 0.4%
Routine 31 20.4% 0.1%
Give Renovation of Lines With
Previous Overflow High Priority
· 156 Overflows occurred between 2006-2008
· 53 Percent of these overflows had a previous
overflow
· Increase rating criteria for past overflows in
prioritizing renovation program
8
QUESTIONS
9