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4 14 08 WPC Work Session Slide PresentationExecutive Summary Presentation City Council Woking Session April 14, 2008 Dubuque THE CITY OF DUBUQUE Masterpiece on the Mississippi STRAND ASSOCIATES, INC ENGINEERS® ^ Background & History ^ Project Drivers -Concerns & Issues ^ Major Project Elements ^ Potential Costs ^ Preliminary Rate Impacts & Comparisons ^ Preliminary Schedule Qubuque aui-am~c~c~~r ~ . ~.~ 2Q07 STRAND assocwrES, wc. E NOINEERS® ~~ c ~ ~ ~. _~~, ~ ~ ~.-, - ~ : . .: - - ~ ~ i. ~ ~ 1960s Construction ®~- ~. - ~ . °~ ~~ ~3' ~.`,~r ~ ~~ Preliminary Treatment ~ ~ ~ _~~ ~~`~ -~ - a [~ ' • Primary Clarifiers °. ~~ ~`~~ ~ -~~~ Trickling Filters 9 a: •~ ~ Sludge Incinerators ~~ - _ ~° ~. _!. ° g ~ . 1s _ _ ~ _ ~" ~ _ r ®., , ~ ~ .. - ,-1 ri ~~ P .~ r .~ .;~ d ~~q-~ T~ a. P ~, _. ~, .. ~ ,_ m _ ~,s~ ~. B s .e ~ ~ - .i. ~ ~ ,~ ® ..~ •. ere . ~° ' _~_ ti - '~~~ ° L ~ . „ lei. - # ~ P~ ~ ~. ~ r " .. .._ " T a° ° ~ ~~~ 1RL~~~ 1+ ~ ~~o~ ~ s oRSanio ENOINEERS® ,~. ~~ ~r-~ ~~ ~~ ~" . ^ . ~, a ••......•• _ . , 1970s Construction ~~"' '~ _ ~~ ~ ~ • Biological Treatment ®_ "~~ ~~ ~ r~~~,~`~. _ Final Clarifiers s~ . Disinfection ~~'~~ Administration Bldg ,~~; ~ ~~. ~ Sludge Modifications ~ = ~ ,-1 a e y- ~_ Y ~ r` ~...~ ~ ~ 1 ~IC .~° V : ,~ ~.. AI~~ICEIC P tie" I~ ~ m, ~~ 2DC17 ~~ .. s ~' II J I m ~~~ D ~, ~, N rt' STRAND assocwTES, wc. ENOINEERS® LlJ fc/Ugi p!I-A3ner~GB~ ~~~~ ~ .~ _~~. •I, n ~' g ~ ~'~ , ~ ~ ~.~ pip d ?.. ~ ~ -,~„ d z:~~ ~' E g ~~~,. '~-~~`a ^n -".~ ~ III JY~y:~~y noL_. s_v.F - i . ~ G. ~ ~ rty ~~nr ti. ® ~ .di1 1!'a 1990s Modifications _ Preliminary Treatment q ~~ Sludge Management . • Biological System 5'~ ~~ ~ • Odor Control ~~ .~ Reduce O&M ,., ~ ) ~ ~ ~ & ~, _' S N - STRAN~ assocwrES, wc. E NOINEERS® 1. Plant Age 2. Performance/Permit Violations 3. Regulatory Changes 4. Capacity/City Growth Qubuque X11-America cily ~. ~~ z~o~ s oRa-n~o ENOINEERS® ^ Systems and equipment 30-40 years old ^ Reduced efficiencies; high maintenance ....A. ~3u k' ~u~ ~. 2Q07 STRAND assocwrES. wc. ENOINEERS® ^ Treatment Performance/Violations • dig ~ f ows curing/after rain events • Inadequate sludge processing ca ~acity ^ New Regulatory Requirements • dew disso ved oxygen imit • dew p - imit • = utu re nutrient im its Qubuque X11-America cily a z~o~ s oRa-n~o ENOINEERS® e u, ....... ~M~ ~ , Current Existing Year 2030 % Change Conditions Capacitu Conditions over Current Population 57,757 66,000 ~" °`~"°~ 29% Wastewater Flow Average 7.96 13.4 10.64 35% Peak 33.6 34.3 40.9 BOD Load (Ibs/day) 20,700 24,400 36,900* 78% Solids Load (Ibs/day) 15,600 24,600 29,400* 88% *Significant industrial capacity included Qubuque X11-America cily ~. ~~ z~o~ s oRSanio E NOINEERS® z.~ ~ ~. °'r ~ w a~-~ -. ' „'fly ~ ~~. "". ~ s.~ ~ ° i °'? s,!4. ° ~ ~:, °~ _ ar . .cP ~ ~ _ .p i Preliminary Treatment ~ -~ ¢ o , , ,. ~ ~~ ~ ° Upgrade old ~ - fi A ,~, ~~ technology ~ ~.~E .° ~'~`~-~ .,;~ - Replace old equipment ° -,_~ _ }~ ~~ ~°. ,- ~ ` ~~ ~ ~ -'e Lrrove s pl i ng r ~ " ~ ~` x z ° ° ~ , _ ~ - '~ ~~ ~' .. ~~ ~~ - ~, P ~yl' ~ , a , ' 1 e ~ r +: ,. m.. ' ,e ~:~, ..'r ~ - -. it _ i ~~ .~ ~. ~ ° 6 r {~ 4 _ - _ u ~ ~ f tea" ~ ~ ' ~ e .. rd r ', ° sl ,. ' A b y ~. ~ ,} ® - ~ G _~ _ _ . 1~ ~• a r :~ N z«~~~ s oR~o-n~o ENOINEERS® .~ ~~ F '„ .• ~h' ~~m ~ %. ,. i% ~' ° ~ - „~~ a n' ° ~ - •~° ~ ;.~ ' w d~ ~~ f. r ~~~ ~. ©~~ ePl~ m __ sl? r. ° ~~ p~ Sludge Management . ~ Replace 40-yr-old incinerators y ~ ~ °~ or convert to digestion ~'m,~r~,~a: p • Improve solids management "~-¢~~ Consider land a lication as .- pp L ° fertilizer ~~ _~ ~'_~~- e~~ ~` • High cost item $$$ -; ~~. ° .. F N "~' kW ~ d _ H"~ '.E~' k~ ~ _ '. ~: ffi i STRAND assocwrES. wc. ENOINEERS® 6 1 1 f p i i' .5P . ~ ~ 5 ~ ' ~ _ t =. w . n .,fie ~_ ~_~.- -i `p ~ - .. u P . Y ~:n ~~: ~ .: a ~3 _ .` ~__ E -_ R. F(~® ... ~~ ~^ ~." ~ ~ ~ ~ ~ ~ ~, p ID' ~ ~ 1' „~ r. ~~ E ~~~ 1 ~ ~~ ~ ~. ~~~ ~~~ ~& ~ _ ~ Biological Treatment ~~ ~_ =. 1"~- ~ Replace old equipment ~v~ ~ a~ ~~ «Sr' '~b'~`: ~~ ,,~ ~ .. ~ jY.l ~ • Reduce energy use ~ ~. ~~ ;~. _. , ~ ~~1~ • .. e _ ,, .~ Improve hydraulic capacity w _ ..~ F~ '~. ,. - ,. of ~~ , y _ ~, s .~. .~ ,® ~ _" ~~ e ~- .. _. .,. ~ 1 a E - m r :~ v .~ r i N z~o~ s oRa-n~o ENOINEERS® m,' ` ~ ;"1'~~~ ~ b a~ bra: E ar .cP ~ ~ ~ ~ "sv ~" ~ .lam ~ ~ ~ I _ P i ;y ~ ~ ~_~ - - R.. ~. aya -.. ~. ~' ~ ~ ,E ~ .„ ~ ~ n . -" ~„ ,~ _ 7 s- `, t ',..:.rte it - `~ - `19 ~. ~ r . . ~ - ~ ~l•u arr r, ~ ~ ~~ ^ _ ~m u I ~ ~+ _ lei' ~ 1 ~ J r ,i x _ ~ `, Yi .~ ur ' E ~ ~, ~ a . .~ r F .. a, G - ~ _ sn ill ,_~ ^~ F ~ B ~ ~""~x~~ ~ r~ ~ -:~ '~ ~r ,, ~ a ~J i ~_ ~ ~ ~ ~ ~~ „~ ,, . ~ ,~ ,~ .~ e ~ ~ 1. ~, • m, ,a i` ~ m ~ .i. ,~ ,® I ,, _ ~'i ° a'L".d ~ .i ..mom ~,'.~ ~.~ ~~' - - A _ ~6 ilK~'~ _ :~"~~~.. .~.~ . ~ ~ ~~ °~~ Disinfection ~~~~ -. ~ m ._. ~. ~ ~ ~ ~~,~ ~ Consider non-chemical systems ` ~ . ~ . _ ~ ~ _ ~ ~ ~ Reduce safety concerns 6 a ~® IL ~~® ~;_ v "~ s~ _ ~, . w - ,~.,,~*,~. ~ _- . • ,, ~~~~ N S oRAN~ ENOINEERS® .. P ~ y ^ ~° ° ° L• ~- a ~ ~e _ . n" ~ ~' pry:. - - .r. ~ ' -_ .~: 6 ~ rf ;; r _ t a~ a ~ , ~a~ ~ ~ ~ ~ _~~ ~ E ~~- -- Peak Flow Management ~~~ ,r~~~, ~. ,~ -~ ~.~~ ~ • Convert abandoned tanks to ~~--~ ~ ~ ~ wastewater storage ~~e a ~_ ~~.~ ~~m ~~ ~~ ~} °~k~. _ Reduce impacts to biological .. -. .. ~~~ ~1P -~ - ,, system f~ .. _ _ e ,_ - - B6 f - ~e _ " . ~ .i. ~ ~ ~ ~ _ ~ g ~ - e 3 r , a,4E ~ r ,a. ~- u~ -_ .. •. y ® - ~ G e ~, "7 W. ~ `_ 'fie ~.. m r ~, ;; r~ ~~ e3 N z«~~~ s oR~o-n~o ENOINEERS® ~, ~~ -~ ~_ A ~ , ~ ., ~ :~ 1 '. 1 , ~. . ~~ 'N F D* „" s ~' 6 ~ ti ~~ _ P r ~ ~ ~~ vm:~ a m~ ~, ~' . ~~ r -~ ~ - ~ ~ ~.'~ AL ~ .. _ ~ _ ~ ~~ ~ ~ ~. f'f 2L}[.)7 .~ ~~, F ~ - '-:: ~ _ ~'~ ~h~ ~~ n' e ~, i': '~. ~m~ .~ ~ ~ ®~ ~ o . C ~ i~ ~; ~.: ~ ~.~ $.~' °~ a ,. . ~ ~ ~ „ ~.~.~ - ~ Administration & Maintenance ~~ • Energy efficiency upgrade ~~ • Laborato ex ansion .~ ~ ~ ry p ~~ ~~ ~. r~. ' ~' _ • New maintenance and stora e a~ ,'~ .~~~ ,. a ,~ N '~' kW z ~ ~ ~ ~,~. ',ice k ~ ~ ~ ,~ ~• ~ : s ~a F.ffi ,tea ~, _ °' a 1 '~ .. ,- ~ STRAND assocwrES. wc. ENOINEERS® Primary Sludge Biological Sludge Modifications Qubuque aui-am~c~c~~r ~ ~ ~.~ 2Q07 Centrifuges for Dewatering ~. s \ Refurbish One Incinerator Use 40-yr Old Unit for Back-Up ~ Ash to storage; reuse or landfill STRAND assocwTES, wc. ENOINEERS® Years 2010 2015 2020 2025 2030 2035 2040 2045 2050 Upgrade 1st Incinerator $16 million 1 Upgrade 2nd Incinerator > $10 million * / I I Replace 1st Incinerator > $20 million* Replace 2nd Incinerator ~~ > $20 million* ~ Qubuque aui-am~c~c~~r ~ ~r 2Q07 * Not included in current project or calculations STRAND assocwrES. wc. ENOINEERS® Primary Sludge Biological Sludge Modifications Qubuque aui-am~c~c~~r ~ . ~.~ 2007 Centrifuges for Dewatering ~~ ~ ~~ l ~~ Refurbished Incinerator -~-~-~~ Backup Lime System ~ Ash to storage; reuse or landfill _ _ _ _ _ ~ Biosolids to Ag. Land STRAND assocwTES, wc. ENOINEERS® r 2010 2015 2020 2025 Upgrade 1 Incinerator w/ Lime Backup ~ $18 million Years 2030 2035 2040 2045 2050 I~ Replace Incinerator > $20 million* Refurbish Incinerator > $10 million* Qubuque AID-Am~icaci~y * Not included in current project or calculations 4 ~~o~ s oRSanio E NOINEERS® ~~ • • ~ • ~~ Years 2010 2015 2020 2025 2030 New Digestion Facilities -$27 million ~._~ ~%~ 2035 2040 2045 2050 Equipment Replacement -$3 to $5 million* Equipment Replacement --$3 to $5 million* Dubuque aui-am~c~c~~r ~ ~r 2Q07 * Not included in current project or calculations STRAND assocwrES. wc. ENOINEERS® ~~~ Renewable GHG Emissions from Biosolids Nonrenewable GHG Emissions (Ib C02/yr): Electricity Use Fuel Oil Use Tota I Dollar Value of Carbon Equivalents ($10/ton) Notes: Anaerobic Incineration Digestion & Land Application Same Same 2,212,000 940,000 407,000 28,000 2,619,000 968,000 $13,100/yr $4,800/yr Carbon equivalents from electrical generation = 1.37 Ibs C02/kWH. 2 Carbon equivalents of natural gas use = 1 17 Ibs C02/M BTU. 3 Carbon equivalents of fuel oil use = 22.29 Ibs C02/gallon. Qubuque X11-America cily ~~ ~~ Source. EPA Climate Change Webs~te 2Q177 STRAND assocwTES, wc. ENOINEERS® ~~ Dubuque WPCP Case Study* Factor Differences Q~buque aui-am~c~c~~r a ~, 2007 '1 Plant Size 10.6 mgd 110 mgd ~10 Plant Size ~ [! \~L~~~ 111 !~= Nonrenewable GHG Emissions (Ibs CO2/yr) Anaerobic Digestion Incineration and Land Application 2,619,000 968,000 25,485,000 ~10 Minimal *Source: Water Environment and Technology; March 2008 12,863,000 ~13 Case study assumed much longer haul distances to fields - higherfuel usage STRAND assocwrES, wc. E NOINEERS® Biogas Production at Design Conditions Total Energy Content of Biogas Net Energy Content of Biogas (avg.) (Available for heating needs at the plant) Net Fuel Value @ $1.00/therm Daily Year-round Actual GHG Emission Reduction Credit (Biogas used for building heat) 260,000 ft3/day 156 MBTU/day 110 MBTU/day $1,100/day $400,000/yr* <$200,000/yr 2,135,000 Ibs CO2/yr** 1,000 tons/yr Qubuqu~ ~'~'~'~~C'~ * If heating were required year-round - ~ ** Assumes 50 MBTU/da av .; 1 MBTU ~ 117 Ibs CO a uivalent y 9- 2 q 2Q177 STRAND assocwTES, wc. ENOINEERS® Biogas Production at Design Conditions Total Energy Content of Biogas Electrical Generation Potential (kW) (kWH/day) Net Electrical Generation Value @ $0.08/kWH GHG Emission Reduction Credit (Biogas used to generate electricity) 260,000 ft3/day 156 M M BTU/day 400 9,600 $768/day $280,000/yr* 4,800,000 Ibs CO2/yr** 2,400 tons/yr Qw~~qu~ * Year-round operation ~Vll-M1~1IG~ Oily ~ ~ ~ ** 1 kWH ~ 1.37 Ibs CO2 equivalent. a 2007 STRAND assocwrES. wc. ENOINEERS® Anticipated Range Opinion of Project Costs (Dec. 2007 $) Single Construction Project Costs (future $) Two-Phase Project Costs (future $) $39 - $48 million $42 - $52 million* $46 - $57 million** * At 4.0% annual inflation; complete project in year 2012. ** At 4.0% annual inflation; complete 2nd phase in year 2014. Qubuque X11-America cily a z~o~ s oRa-n~o ENOINEERS® ~3u~ ~u~-~ 1 ,~~~. 2Q07 20% 18% 16% 14% Sewer Rate 12% Increase 10% (%~ 8% 6% 4% 2% 0% Range of Anticipated Rate Increases Single Large Project -Plant Upgrade Impact Only FY 2009 FY FY 2013 2014 Fiscal Year r~eep incinerazivn Lowest Reliability Keep Incineration Improved Reliability Anaerobic Digestion High Reliability FY FY FY FY 2015 2016 2017 2018 STRAND assocwrES, wc. E NOINEERS® FY FY FY 2010 2011 2012 Range of Anticipated Rate Increases Single Large Project Projected Operating and Capital Project Increases Included 26% Dubuque ~11,A~eriGa Oily ~ ~ ~.~ 2Q07 z0% Sewer Rate Increase 16°~ (% 10% 6% 0% FY 2009 FY 2010 FY 2011 FY 2012 FY 2013 FY 2014 Fiscal Year Refurbish One Incinerator- Retain Other Incinerator-Single Phase ^Refurbish One Incinerator- Back-Up Lime - Single Phase ^Anerobic Digestion with Land Application -Single Phase F Y 2015 FY 2016 FY 2017 FY 2018 STRAND assocwTES, wc. ENOINEERS® Qub X11-a,a,y ~ ~ ~.~ 2Q07 20% 18% 16% 14% Sewer Rate 12% Increase 10% (%) 8% 6% 4% 2% 0% Range of Anticipated Rate Increases Two Smaller Projects -Plant Upgrade Impact Only Fiscal Year STRAND assocwrES. wc. ENOINEERS® FY FY FY FY FY FY FY FY FY FY 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 zo°i 18% I 16% 14% S ewer R ate Increase 12% (%) 10% 8% 6% 4% 2% 4~ubuque ~°~ AII~AmedCa Cily ~ ~r 2~()7 Range of Anticipated Increases Two Smaller Projects Projected Operating and Capital Increases Included Refurbish One Incinerator- Retain Other Incinerator-Two Phase ^Refurbish One Incinerator- Back-Up Lime -Two Phase ^Anerobic Digestion with Land Application -Two Phase FY 2009 FY 2010 FY 2011 FY 2012 FY 2013 FY 2014 FY 2015 FY 2016 FY 2017 FY 2018 Fiscal Year STRAND assocwTES, wc. ENOINEERS® Current Rates (FY09) Existing Average Monthly Cost (Residential; 8 CCF) Projected Future Rates (5 - 7 years out) Projected Future Average Monthly Cost (Residential) Total Anticipated Rate Increase (5 - 7 years out) Qul~uque ~11,Asa+erica Oily a ~, 2007 $2.26/CCF $18.06 $3.16 - $3.52/CCF $25 - $28/m o. 40% to 55% STRAND assocwrES, wc. E NOINEERS® Current Rates (FY09) Projected Future Rates (5 - 7 years out) 1 " Meter FY09 Rate Projected Future 1" Meter Rate Total Anticipated Rate Increase (5 - 7 years out) Qubuque aui-am~c~c~~r ~ . ~.~ 2007 $2.26/CCF $3.16 - $3.52/CCF $18.06 $25 - $28/m o. 40% to 55% STRAND assocwTES, wc. ENOINEERS® ~CCF X Rate Usage Chg 1" Meter Charge 50 x $2.26 = $ 113 $ 18.06 $ 131.06 100 x $2.26 $ 226 $ 18.06 $ 244.06 200 x $2.26 $ 452 $ 18.06 $ 470.06 300 x $2.26 $ 678 $ 18.06 $ 696.06 400 x $2.26 $ 904 $ 18.06 $ 922.06 Qw~wq~~ ~ . ~.~ 2007 500 x $2.26 Fnn u fi~ ~F 700 x $2.26 fi 1,130.00 $ 18.06 $ ~ ~~F nn fi ~ R nF fi 1,582.00 $ 18.06 $ 1,148.06 1.374.06 1,600.06 STRAND assocwrES. wc. ENOINEERS® CFXRate Monthly Plus Total Usaee C he 1" Meter C haree !~Lll!l~ Monthly Increase from F Y 09 50 x $3.16-$3.52 $158 - $176 $25 - $28 $183 - $204 $52 - $73 100 x $3.16 -$3.52 $316 - $352 $25 - $28 $341 - $380 $97 - $136 200 x $3.16 -$3.52 $632 - $704 $25 - $28 $657 - $732 $187 - $262 300 x $3.16 -$3.52 $948 - $1,056 $25 - $28 $973 - $1,084 $277 - $388 400 x $3.16 -$3.52 $1,264 - $1,408 $25 - $28 $1,289 - $1,436 $367 - $514 500x $3.16- $3.52 $1,580 - $1,760 $25 - $28 $1,605 - $1,788 $457 - $640 600x $3.16- $3.52 $1,896 - $2,112 $25 - $28 $1,921 - $2,140 $547 - $766 700 x $3.16 -$3.52 $2,212 - $2,464 $25 - $28 $2,237 - $2,492 $637 - $892 Qubuque aui-am~c~c~~r ~ ~ ~.~ 2Q07 STRAND assocwTES, wc. ENOINEERS® Current 2008 Monthly Cost Qubuque aui-am~c~c~~r ~ . ~.~ ~QO~ $45 $40 $35 $30 $25 $20 $15 $10 - $5 - $- Cedar Council Rapids Bluffs Dubuque Ames Iowa City _nio assocwrES, wc. E NOINEERS® Waterloo Davenport Monthly COSt Dubuque Sul-A~a,~erica cily ~ ~ ~.~ 2Q07 $45 $40 $35 $30 $25 $20 $15 $10 $5 $- Projected in 5 Years ~,~ -%'~ -T T -~- T -~ -,- Ames Cedar Waterloo Davenport Dubuque Council Sioux City Des Moines Iowa City Rapids Bluffs STRAND assocwTES, wc. ENOINEERS® ^ WPCP Constructed in 1977 ^ Some recent upgrades ^ From FY07 Presentation: $13.76/mo. ^ 2008 rate $5.75 + $1.68/CCF ^ Current Typ. Monthly: $19.19/mo. ^ WPCP has adequate capacity ^ $50 million sewer tunnel project planned ^ Significant rate increases are likely au~~qu~ ai~an,e~~ac~r ~. ~~ 2007 s oRSanio ENOINEERS® ^ ^ ^ ^ ^ ^ ^ ~3ubuque X11-Am~1ca ci~sr ~ . ~.~ 2Q07 WPCP Constructed in 1970s From FY07 Presentation: 2008 rate Current Typ. Monthly: $16.52/mo. $6.60 + $1.37/CCF $14.82/mo. Heavily subsidized by significant industrial charges $120 million in construction budgeted at WPCP Significant rate increases are likely STRAND assocwTES, wc. ENOINEERS® ^ WPCP Constructed in 1970s ^ From FY07 Presentation: $17.11/mo. ^ 2008 rate $6.91 + $2.59/CCF ^ Current Typ. Monthly: $22.45/mo. ^ $75 million in construction for current Phase 1 ^ $50 million or more likely for Phase 2 (2010-2012?) ^ More anticipated for Phase 3 to meet unknown conditions au~~q~~ Significant rate increases are likely ~~-~~~~~ ~. ~~ ~~v~ s oRSanio E NOINEERS® ^ WPCP Constructed in 1974 ^ Some minor upgrades since ^ Plant is at capacity now ^ From FY07 Presentation: $17.20/mo. ^ 2008 rate $2.15/CCF ^ Current Typ. Monthly: $17.20/mo. ^ However, significant '08 rate increases, are pending: • Industrial rates are heavily subsidized ~~~~qu~ Need is for 50-60% increase for industry and 20% increase for residential AII~Am~iG2 Oily ~. ~~ z~o~ s oR~o-n~o ENOINEERS® ^ Last major upgrade -1989 ^ From FY07 Presentation: ^ 2008 rate ^ Current Typ. Monthly: ^ Future Upgrades: • $10 million planned investment • Disinfection addition Qubuque aui-am~c~c~~r ~ . ~.~ 2Q07 $18.45/mo. $6.05 + $1.55/CCF $18.45/mo. STRAND assocwrES. wc. ENOINEERS® ^ ^ ^ ^ ^ Qubuque aui-am~c~c~~r ~ . ~.~ 2Q07 From =Y07 Presentation: $18.95/mo. Recent anaerobic digestion upgrades 2008 rate Current Typ. Vlont i y: $10.55 + $1.68/CC = $18.95/mo. Future rate increases -would not provide STRAND assocwTES, wc. ENOINEERS® ^ From FY07 Presentation: $25.62/mo. ^ 2007 rate $6.96 + $2.80/CCF ^ Current Typ. Monthly: $29.36/mo. ^ Significant capital projects on-going ^ No additional rate increases expected within 2-3 years Qubuque aui-am~c~c~~r ~ . ~.~ 2Q07 STRAND assocwrES, wc. E NOINEERS® ^ From FY07 Presentation: $31.82/mo. ^ 2007 rate $7.76 + $3.80/CCF ^ Current Typ. Monthly: $34.36/mo. ^ Significant capital projects coming up ^ Holding rates for now; increase likely in the near future Qubuque aui-am~c~c~~r ~ . ~.~ 2Q07 STRAND assocwTES, wc. ENOINEERS® Tasks 2007 2008 2009 2010 2011 2012 2013 2014 ~~ ~ Manning ~ • ' /Public Hearin ~ • \ ~> DNItSubmittal Design j Design ,. Phase 2 • s Dubuque ill-Amr~ica cily ~. ~~ z~o~ s oRSanio ENOINEERS® ......... v ......... ........... ........... ........... ..... ~~~ #,~a-:~, . ~. ~ ..........~ ...... ... ........... ..... ...... ........... ........... ........... v......... .......... .............. ... - `~ ~~~ <..~urir Executive Summary Presentation City Council Woking Session April 14, 2008 Qubuque aui-am~c~c~~r ~ . ~.~ 2007 1 ~t~E CIT9Y ~~ Du E Masterpiece on the Mississippi STRAND assocwTES, wc. ENOINEERS®