HomeMy WebLinkAbout03-25-13 Board of Public Works Meeting AgendaBOARD OF PUBLIC WORKS
OFFICIAL NOTICE OF JOINT MEETING
A joint meeting of the Common Council and the Board of Public Works will be held on
Monday, March 25, 2013, at 4:45 p.m. in Common Council Chambers — Third Floor,
City Hall, 108 East Green Street, Ithaca, New York.
Agenda
1. Additions or Deletions to Agenda
2. Mayor's Communications
3. Discussion Items
3.1 Water Treatment Plant Rebuild Project
The attached documents were provided to the Board of Public Works for
its May 14, 2012 meeting to provide background of the project and
estimated impacts to future water rates.
Two other documents have been compiled that contain resolutions and
meeting minutes from Common Council and BPW meetings for the past
20 years related to the water plant project. If you would like to wade
through the information, you can find the documents at Q:1DPW1Water
and Sewer.
4. New Business
5. Adjournment
"thy ,fj&rCwO, ExeCUtive Ass lLtRvt
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MRrok 20, 2013
If you have a disability that will require special arrangements to be made in order for you to fully
participate in the meeting, please contact the City Clerk at 607- 274 -6570 at least 48 hours
before the meeting.
The Board of Public Works meets on the second, third and fourth Wednesdays of the months at 4:45 p.m, All meetings are
voting meetings, opening with a public comment period. Meeting agendas are created from prior public input, Department
operating, planning issues, and requests made to the Superintendent. The Board reserves the right to limit verbal comments to
three minutes and to request written comments on lengthy or complex issues. This information may then be used to create
committee agendas, with the speaker or author invited to attend.
Page 1
Date/Time: May 14, 2012, 4:45 PM
Location: Board of Public Works Meeting
Meeting Objectives: Closeout the Preliminary Design Phase and Obtain Authorization to Proceed with Final
Design
Items for Discussion:
1. Review Project Scope Changes Since The Last Comprehensive Update Reflecting the Outcomes of the
following:
a. City and State Environmental Quality Review Process
b. City Site Plan review Process
c. Preliminary Design Development
2. Review Updated Project Cost Estimate
3. Review Projected Impact on Water Rates
4. Compare Updated Project Costs with Alternative to Purchase Water from Bolton Point
Attachments:
Water Supply Project Scope Changes
2012 Estimated Project Cost
Estimated Water Rate Impacts
Estimated Water Rate Impacts Purchase Option
C: \DOCUME— l \billg \LOCALS —I \Temp \XPgrpwise \Progress MTG Agenda_05_14_12.doc D.HRICN 6 GERI-
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Date:5/14/2012
City of Ithaca
Water Supply Project
Estimated Water Rate Impacts
Projected Water Rate Breakdown
(Dollars per 1,000 gallons sold)
$218
C Capital Project Cost Related Debt Payments Base Scope
• Capital Project Cost Related Debt Payments - Scope Change Since 2006
• Production Related Operation & Maintenance Costs
• Distribution System Related Costs
Notes:
'Assumes water sales of 2.1 MGD
2Assumed 4% interest over 30 years
3EscaIlated 2006 estimate by 20%
4EscaIlated 2006 estimate by 20%
52012 City Total Water Rate is $4.50/100 Cubic Feet($6.02 /1,000 Gallons)
Typical small user bill is currently $280 /year
A Capital Reserve Fund Has Been Established to Moderate The Rate Impact.
Current Town of Ithaca Water rate is $5.00/1000 gallons.
I: \Ithaca -C. 1598 \45762.Water - Treatment \N -D \Fee Estimate \Water Rate Impacts_0501_KAWAs
Dollars
Dollars per
1,000 gallons
sold'
Total Estimated Capital Project Cost
$ 36,369,969
Capital Project Cost Related Debt Payments2
$2,103,278.91
$ 2.74
Production Related Operation & Maintenance Costs3
$ 1,674,640
$ 2.18
Total Estimated Production Costs
$ 3,777,919
$ 4.93
Distribution System Related Costs4
$ 3.05
Total Water Rate Required to Cover Costss
$ 7.98
Projected Water Rate Breakdown
(Dollars per 1,000 gallons sold)
$218
C Capital Project Cost Related Debt Payments Base Scope
• Capital Project Cost Related Debt Payments - Scope Change Since 2006
• Production Related Operation & Maintenance Costs
• Distribution System Related Costs
Notes:
'Assumes water sales of 2.1 MGD
2Assumed 4% interest over 30 years
3EscaIlated 2006 estimate by 20%
4EscaIlated 2006 estimate by 20%
52012 City Total Water Rate is $4.50/100 Cubic Feet($6.02 /1,000 Gallons)
Typical small user bill is currently $280 /year
A Capital Reserve Fund Has Been Established to Moderate The Rate Impact.
Current Town of Ithaca Water rate is $5.00/1000 gallons.
I: \Ithaca -C. 1598 \45762.Water - Treatment \N -D \Fee Estimate \Water Rate Impacts_0501_KAWAs
City of Ithaca
Water Supply Project
Cash Flow Projection 5/8/2012
IMPROVEMENTS
Total Value 2012 1st
2012 2nd
2012 3rd
2012 4th
2013 1st
2013 2nd
2023 3rd
2013 4th
20141st
2014 2nd
2014 3rd
2014 4th
a:1151st
2015 -rid
'( 5 3rd
2715 40
Reservoir Site Improvements
Access Road
$ 63,945
$ 63,945
Dam Safety Related Work
$ 3,176,840
S 1,58.420
$ 1,57,420
Pre -Sed Basin /Intakes
$ 11000,000
$ 5W,000
$ 50, 0OOLI
Dredging- Allowance
$ 375,000
S 75, 7u
$ 75,000
$ 75,CW
S 75,O DO
$ 75,000
Gatehouse
$ 276,384
$ 139.i91
t 138,152
Utility Building
$ 100,000
S 100,W0
r
Electric Service, Water Service, Misc. Site Work & Equip.
$ 253,267
$ 653
$ 50,653
$ 4653
$ 50,653
$ 50,653
"
Raw Water Transmission Main Upgrades
$ 267,602
$ 133,801
$ 133,801
Purchase Water- Allowance
$ 600,000
$ 159,000
$ rs ,,O A
$ 150,000
$ 150,000
Water Treatment Plant
` -
--
�_
Membrane Purchase
$ 4,000,000
$ 400,000
t
1,030009
$ 1,000,000
$ 1,000,000
$ 100,000
'$ 100,000
$ m ono
� 00 0 0
---
$ 100 000
$ 100,000
Plant Construction
Distribution System Improvements
$ 14,678,426
$ 1,467,843
$ 1,457 843
$ 1,467,843
$ 1,467,843
$ 1,467,843
$ 1,467,843
$1,467,643
Interconnection Building
$ 223,535
$ 111,7ES
$ 111, -Ja
Elm Street PS
$ 350,000
5 116,667
$ 116,667
$ 115,037
-
Giles St- Residual Handling
$ 2,529,177
$ 843,0
S 843,(159
$ 843,0
Subtotal
$ 27,894,176
$ 63,945
$ 533,801
$ 2,919,368
$ 3,523,759
S 3,34L414
$ 2;743,496
$ 2,743,496
$ 2,617,843
$ 1,567,843
$ 1,567,843
$ 1,567,843
R 1, S- 11?.'3
$ t5b7,d43
$ i,+67,ist13
Contingency
Total Estimated Construction Cost
Design & Construction Engineering
$ 4,184,126
$ 32,078,302
$ 4,291,667
$ 475,000
$ 400,000
$ 9,592
$ 400,000
$ 80,070
$ 400,000
$ 437,995
$ 400,000
$ 528,564
$ 200,9(10
$ 501,212
$ 2.00,03[1
$ 411,524
$ 20 X0
$ 411,524
$ 200,000
$ 392,676
$ 200,000
$ 235,176
$ 200,000
$ 235,176
$ 200,000
$ 235,176
$ 200,i�00
$ 235,176 $ 235,176
$ ,�c0 ` $ 200,000
$ 235,176
$ 216,667
Total Estimated Project Cost
$ 36,369,969
$ 475,000
$ 400,000
$ 473,537
$ 1,013,871
$ 3,757,273
$ 4,25 22
Al 4,042,6x6
$ 3,355,020
$ 3,355,020
$ 3,210,519
$ 2,003,019
$ 2,003,019
2 tHii,019
$ 2 x;3,019 i $ 2X31CA
$ 2,019,67£5
K""° r i `a iv
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CYBRIENGGERE
City of Ithaca
Water Supply Project
2012 Estimated Project Cost
Subtotal
Contingency
Total Estimated Construction Cost
Design & Construction Engineeringi
$
2006
$
Escalation to
2012
2012 Estimate
Reservoir Site Improvements
$
1,428,000
$
1,718,713
$
5,245,436
Access Road
$
195,600
$
235,420
$
63,945
Dam Safety Related Work
22,954,976
1 $
27,353,468
1 $
$
3,176,840
Pre -Sed Basin /Intakes
$
652,398
$
785,214
$
1,000,000
Dredging- Allowance
$
312,240
$
375,806
$
375,000
Gatehouse
$
71,028
$
85,488
$
276,384
Utility Building
$
60,000
$
72,215
$
100,000
Electric Service, Water Service, Misc. Site Work & Equip.
$
136,734
$
164,570
$
253,267
Raw Water Transmission Main Upgrades
$
438,000
$
527,168
$
267,602
Purchase Water - Allowance
$.
1,018,350
$
1,018,350
$
600,000
Water Treatment Plant
$
12,097,442
$
14,560,246
$
18,678,426
Phasing Considerations (Temp. Facilities)
$
364,458
Demolition
$
268,943
$
3231695
$
1,196,449
Site Work /Utilities
$
410,384
$
493,930
$
792,498
Electrical /Instrumentation
$
1,995,794
$
2,402,099
$
2,146,971
HVAC /Plumbing
$
704,398
$
847,800
$
1,134,144
Arch /Structural
$
3,718,500
$
4,475,514
$
i
6,324,644
Process Equipment
$
4,999,423
$
6,017,208
$
6,355,702
Clearwell Repairs
$
113,560
High Lift Pumps Replacement
$
250,000
Distribution System Improvements
Interconnection Building
$
223,535
Elm Street PS
$
350,000
Giles St- Residual Handling
$
2,342,718
$
2,819,650
$
2,529,177
Subtotal
Contingency
Total Estimated Construction Cost
Design & Construction Engineeringi
$
17,324,510
$
20,644,127
$
27,894,176
$ 3,464,902
$ 4,128,825
$
4,184,126
$ 20,789,412
$ 24,772,952
$
32,078,302
2,165,564
1 $ 2,580,516
1 $
4,291,667
Estimated Total Project Cost
$
22,954,976
1 $
27,353,468
1 $
36,369,969
ENR Construction Cost Index
C: \DOCUME- I \billg \LOCALS- 1 \Temp\XPgrpwise \Copy of construction-cost-compare-0312 (3)
Jun -06 Mar -12
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Notes:
Construction Work now proposed to be completed by City staff.
Dam Safety Work added. Previously to be a separate and independent project.
As result of intake inspection a complete replacement of the structure is warranted.
Water purchase allowance adjusted for phase 1 construction (anticipate 10 month schedule)
Includes trailers for office, restroom, lab, chemical feed and membrane filtration. This minimizes required purchases of water
In 2006 the estimate used a rough order of magnitude approach which was low, based on current knowledge of requirements.
ncludes connection to interconnection, clearwell pipe gallery and finished water pipes.
fo reflect input received during the DEIS process and to accommodate operational needs, the interior spaces of the plant were
ncreased by approx. 25% by building out the second floor to match the first. Arch. and finish selections were upgraded during the site
plan review process to reflect community input. The upgrades result in an increase of 10% in the anticipated construction costs. A
:learwell pipe gallery was added to provide safer year round access to metering and water quality equipment.
Quantity of pipes and valves increased to provide by -pass options, provisions for future hydroturbine and splitting plant flow
:onsidered an operational issue for the 2006 estimate. Clearwell Repairs: Includes $5 /sq ft for lining of clearwells
2006 uses 20% (to match that original estimate), 2012 uses 15% to reflect higher level of project development
Current estimate is based on O'Brien & Gere providing all contract administration, inspection, and design services. Previous estimates
assumed City staff would untake some of this work. Estimate includes $475,000 authorized to date.
Increase in construction cost index (inflation) by approximately 20% since 2006.
Date:4/26/2012
1. State and City Environmental Review Process $375,000
a. Added chlorine dioxide feed room and equipment. Required two rooms
(Sodium Dioxide Room and Sodium Chlorite Room) with total footprint of $250,000
approximately 850 sq ft.
b. Added interior space for standby generator. Room provides noise $75,000
reduction and has a footprint of approximately 410 sq ft.
c. Added provisions for future hydroelectric power generation. Set aside an $50,000
approximate 150 sq ft space for future hydro- turbine.
2. Site plan review process $425,000
a. increased number and size of windows. $200,000
b. Upgraded structural and architectural features of interconnection
building. $125,000
c. Upgraded architectural features and finishes to improve building $100,000
appearance and community setting.
3. Deferred maintenance $4,065,000
a. Incorporated clearwell lining into project. $115,000
b. Incorporated replacement of five existing high lift pumps. $250,000
c. Incorporated distribution system improvements for disinfection $350,000
byproduct management (Elm St. tank pumping station and tank mixing).
d. Incorporated dam safety upgrades $3,175,000
e. Incorporated replacement w.._r__ __..._..._...__ .
rp p of existing gatehouse $175,000
4. Process and Operational Upgrades $1,535,000
a. Added interconnection building to improve pressure and flow regulation
of interconnection with SCLIWC. The interconnection building will allow
for separate flow measurement and regulation into each of the City's $200,000
three pressure zones and metered flow from the City back into SCLIWC
transmission main.
b. Added below grade pipe gallery between existing clearwells to improve
access to existing piping and safe access to instrumentation. The gallery $300,000
will be approximately 130' long and over 20' deep.
c. Incorporated space for future chemical feed system into initial
construction. Building plan includes approximately 850 sq ft of storage $150,000
for sodium permanganate or other future chemicals.
d. Incorporated space for future process upgrades (W disinfection) into
initial construction. Space in the lower level below the membranes will $300,000
provide space for future upgrades. Added 2000 sgft.
360° Engineering and Project Delivery Solutions ra I[il[ RIEN G GERE
e. Increased interior space for the laboratory, offices, storage, and meeting $325,000
rooms. Added 2250 sq ft.
- - - -- — -- .._..- - ------- .........
— - -- - - --
f. Selected more conservative basis of design for membrane process units
as a result of piloting to address fouling potential over the wide range of
raw water quality expected and to reduce energy requirements. Flux $200,000
rate for membranes changes from 50 to 40 GFD (decrease of 20%).
Increased room by approximately 500 sq ft.
g. Added piping and valves to allow for a split flow treatment operation
(operate as two independent plants).
h. Modified approach to residuals handling to incorporate a mechanical
press and building. Design included two concrete basin thickeners and
two volute presses located inside of the new press building [no
anticipated cost increase]
S. Other cost related issues
a.
Demolition: In 2006 the estimate used a rough order of magnitude
approach. Based on current knowledge of requirements we now believe
the original estimate was low do to staged and sequencing of demolition
required and the objective of recycling and reusing materials to the
extent practical and the protection of existing operational facilities.
$850,000
$60,000
$850,000
Total $7,250,000
I: \Ithaca -C. 1598 \45762.Water - Treatment \N -D \Fee Estimate \Summary of Process and Operational Upgrades.doc
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City of Ithaca
2012
Mayor's Budget Narrative
City of Ithaca
Summary of Water and Sewer Rates
1989 -2012
Page 21
l Per 100 cu ft
I
i
1 Per 100 cu ft
Year!
;Water Rates
! % Change;
Sewer Rates
%Change
19891
$
0.90
$
0.90 ;
1990!
$
1.00 11 %;
$
1.161 29%
1991
! $
1.16 16%
$
1.25
j 8%
1992;
i $
1.21
4 %':
is
1.40 12%
1993;
!$
1.21
j 0 %l
1$
1.40
0%
19941
$
1.27
5 %1
is
1.47 ! 5%
19951
i$
1.40
' 10 %I
i$
1.62 ' 10%
1996
$
1.54
10%1
'
$
1.70
5%
19971
i i $
1.69
! 10 %I
$
1.70
I 0%
1998:
1 $
1.83
8 %'
$
1.701 0%
1999;
i$
2.01
1 10 %j
$
1.70
0%
2000!
$
2.21
11 10%!
!$
1.87 10%
20011
$
2.32
5%
! $
1.96
5%
_ 2002:
$
2.46
6 %'
$
2.16
10%
2003 ,
:$
2.53 3%1 1$
2.38
i 10%
2004:
$
2.53
1 0 %i
is
2.62
1 10%
20051
$
2.68 1 6 %1
$
2.80
< 7%
2006;
$
2.76
3%I
$
3.08
' 10%
20071
$
2.82 ! 2 %1
$
3.39
10%
2008
; $
2.91
' 3%
l $
3.73 ; 10%
_
_ - 20091
; $
3.02
i 4% I $
4.10 ! - 10%
2010]
i $
3.32
i 10%1 !$
4.43
8%
2011;
2012.
!$
$
3.75 13W $
4.50 20 %! _ $
4.87 10%
5.06 4%
average
7%
!
8%
Page 21
City of Ithaca
Fund Balance Activity Water Fund
As of 9/30110
File: Budaetreserves
Water Fund
% of O er.1
Total Fund.% of Oper.1
Unappropriated!
Appr FIB Per'
Fund Balance.
Results of
Year Ending
Revenue'
Balance! Revenue:
Fund Balance.
i
Budget'
Used!
Operations
Water Fund Balance 12/31/1997
1 58.16 %! $
1,386,103.00
42.50% $
1,012,724.00 ±
$
48,204.00 I $
-
$
347,621.00
i
!
Water Fund Balance 12/31/1998
72.91%'$
1,738,324.00 !
53.93%1 $
1,285,689.00 i
; $
- $
i$
352,221.00
Water Fund Balance 12/31/1999
i 81.33%. $
2,279,665.00 ;
63.08%1$
1,768,110.00 `
1$
i $
-
$
399,938.00
Water Fund Balance 12131/2000
76.99 %. $
2,206,840.00
61.47%1 $
1,762,023.00 ,
$
i $
-
$
45,468.00
I I
'
Water Fund Balance 12/3112001
76.63 %1 $
2,295,348.00
61.85 %i $
1,852 714.00 !
$
- i $
- 1 $
89,077.00
Water Fund Balance 12/31/2002 i
79.77% $
2,592,940.00
61.88%1$
2,011,463.00 r
i $
- $
- $
302,444.00
Water Fund Balance 12/31/2003
87.26%. $
2,675,627.00.
69.19% $
2,121,605.00 '
$
$
i $
82,687.00
i
Water Fund Balance 12/31/2004
87.29%'; $
2,839,575.00 '
71.35 %; $
2,321,207.00 ?
$
21,184.00
$
$
163,948.00
Water Fund Balance 12/31/2005
88.99 %. $
2,885,153.00
60.68 %i $
1,967,391.00 ;
$
56,508.00
$
$
45,578.00
i
I
i
Water Fund Balance 12/31/2006
93.69 %1 $
2,754,321.00 '
69.07 %: $
2,030,457.00 ,
i $
402,015.00 1 $
123,721.00 ' $
123,721.00
Water Fund Balance 12/31/2007
92.80 %1 $
2,777,949.00
65.03 %' $
1,946,606.00.
$
252,724.00 $
- $
23,628.00
Water Fund Balance 12/31/2008
80.26 %i $
2,365,259.00:
51.40% i $
1,514,947.00
! $
261,460.00 1 $
412,689.00 1$
412,689.00
Water Fund Balance 12/31/2009
64.49 %I $
1,820,239.00
35.84 %• $
1,011,524.00 1
' $
371 270.00 $
559 995.00 $
(559 995.00
Water Fund Balance 12/31/2010
53.32% $
1,677,778.00
14.41 %: $
453,505.00 ;
$
703,007.00-: $
137,323.00 I $
137,323.00)
As of 9/30/11 2011 ! revs
I $
2,570,537.00
$
2,602,707.00
j
i
1$
(32 170.00) .
- --
--
20101 revs
i $
3,146,389.00
—� lexp
$
3,283,712.00
$
_
(137,323.00 )
- - - -'
-
-
__
2009irevs
$
2,822,480.00
'-
�exp
1$
3,382,475.00
- - --
I
;$
(559 995 00.)
--
-
- -
-
—
-
2008 revs
$
2,947,147.00
;exp
$
3,359,836.00
i —
$
(412,689.00)'
-
1
2007' rev s
$
2,993,324:00 '
1
exp
$
2,969,696.00
I $
23,628.00
2006 i revs
$
2,939,89Z06
iexp
$
_3,063,613.00
1$ (123,721_ -
-- -
_
Y
_ --
-
-
- - --
i 2005 revs
$
3,241,985.00
ex
$
3,196,407.00 .
_
. $
45,578.00 -
-,
---- ----
- - --
-
--
i-
- -_-
2004 i revs
i$
3,253,100.00_
exp
; $
3,089,152.00
-_
$
163,948.00 '
20031 revs
I $
3,066 343.00-
lexp
- $
2,983,656.00
- -
$
82,687.00
--
- --
- - -:
2002; revs -
$
3,250,722.00
- -
- --
—
_ -- exp - -- -
- -- - -$
2,948,278.00
-
-_ _-
$
302.444.00
--
1w
Page 22