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7. Authorize Feasibility Study for Lake Lucy Road Watermain 1 C I TY OF CHANHASSEN v i; ^� 690 COULTER DRIVE • P.O. BOX 147 • CHANHASSEN, MINNESOTA 55317 (612) 937-1900 MEMORANDUM Action by Ci*y Administrator TO: Don Ashworth, City Manage Endorser: Moditiwd FROM: Gary Warren, City Engine= Roxtelt. DATE: July 7, 1988 Date Submitted to C.mw:i.,ciort SUBJ: Authorize Feasibility Study Date s ,,... .: Lake Lucy Road Trunk Watermain File No. 81-1 The Lake Lucy Road trunk watermain is certainly not a new topic of discussion for the City. There are those who might suggest that I even have masochistic tendencies for even suggesting resurrection of this issue in light of the three previous reports that have been prepared on this item. And yes I do realize that we just completed roadway improvements to Lake Lucy Raod which would have been a "logical" time to install the watermain. Nevertheless , from my earliest familiarity with the City' s water distribution system, the Lake Lucy Road trunk watermain connec- tion has loomed as a significant void in the distribution net- work. I feel I would be shirking my professional duties if I did not take this opportunity to impress upon the Council my concerns for the importance of making this trunk connection in the near future. The City Council has even authorized and had constructed in 1987 , 1 ,345 feet of this 18-inch trunk along the Curry Farms Addition in order to not lose the lateral benefit assessments from that subdivision. My review of the previous reports and discussions surrounding this item convince me that there is sound understanding as to the need for this trunk watermain connection. To refresh everyone's memory, the high service zone of the City , which comprises approximately of our customers , exists in the Lake Minnewashta area west of Yosemite (see map) . This area, due to its high ele- vation, is serviced by Well No. 3 ( 1,000 gpm) on Galpin Boulevard with a low capacity backup well ( 250 gpm) located in the Minnetonka Middle School off Highway 41. It is common knowledge that our system demands have rapidly expanded since this was studied in 1979, but even in the 1979 report it was pointed out that there was a maximum of one day' s storage available from the 200 ,000 gallon elevated storage tank in case of a Well No. 3 11 Don Ashworth July 7 , 1988 Page 2 outage. I shudder to think how that reserve has shrunk since 1979. If Well No. 3 fails for whatever reason, I believe we would have a maximum of 12 hours of reserve under current con- ditions , which after that period, would leave us with no fire protection available and domestic water usage would be severely curtailed. Completion of the Lake Lucy Road trunk watermain will intercon- 1 nect our two pressure zones and will allow Well No. 2 near South Lotus Lake Park, and Well No. 4 at Lake Susan, to feed into the high-pressure zone thereby providing backup into that area. In return , Well No. 3 would be able to pump into the low service area to assist wells 2 and 4, thus providing for overall better capacity , pump utilization , and redundancy in the system. The 1985 water study conducted by Orr-Schelen-Mayeron also pointed out the need for completing the Lake Lucy Road trunk watermain and forecasted the connection to be completed in 1988 at a cost of $350 ,000 . The most recent update of the Lake Lucy Road trunk watermain feasibility was reviewed with the Council in March, 1981 (minutes and reports attached) and addressed the utilization of trunk funds generated from building hook-up fees to assist with funding the construction. Council took action at that time (March 16 , 1981 minutes) to proceed with repairs to Well No. 3 and expand the capacity of the High School well. I should point out that Well No. 3 was pulled for overhaul again this past winter due to vibration problems and to check and repair the casing. With the rapid development we have been experiencing over the last several years, the water expansion fund (Fund 402) has experienced good revenues and currently shows a cash balance of over $270 ,000 . In the 1988 budget , it was recognized that a contribution of the trunk funds would be dedicated for assistance in constructing the Lake Lucy Road trunk watermain (attachment 10 ) . I believe that with development expanding along Lake Lucy Road such as Curry Farms , Ersbo, Carrico, etc. , that the time is right to again address the need for a redundancy and backup in our water distribution system via Lake Lucy Road. This is an important time to rekindle Lake Lucy Road trunk watermain feasi- bility study and take a fresh look at system adequacy, construc- tion costs and difficulties, and financing scenarios. It is therefore recommended that a feasibility study be authorized for construction of the Lake Lucy Road trunk watermain from Powers Boulevard (County Road 17) to Galpin Boulevard (County Road 117) . 1 ' Don Ashworth July 7 , 1988 Page 3 Attachments ' 1. Map. 2 . Summary and conclusions from December, 1980 feasibility study update. ' 3 . July 21, 1980 minutes. 4. August 4 , 1980 minutes. 5 . March 2, 1981 City Manager memorandum. 6 . March 2 , 1981 minutes. ' 7. March 13, 1981 Well No. 3 renovation report. 8 . March 16 , 1981 Manager ' s comments. 9. March 16 , 1981 minutes. ' 10 . 402 Water Expansion Fund 1988 budget sheet. 1 I I I %\\ roan .,. . '..i'. •, ANt , _ --Q -- --- � ... r n NI iV� � � le e ` ` i n►\ sittiimi .iitimi NAV ov -..lirls,w..:_:,_,I,,.,,.,,,t-1- . 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ENGINEERS & SURVEYORS 50 NINTH AVENUE SOUTH HOPKINS, MINNESOTA 1 hereby certify that this plan. sPecific:ation. or report was prepared I hereby certify that this pfan, by me or under my disct supervision by me o bold or report was prepared :nd that 1 am a duty registered DECEMBER, 19 8 0 by me a under my direct supervision ?rotessional Engineer under and that! a duly rsg lithe laws of the State of Minnesota. Prvfepiasii engineer under • �7 w t l -�- tfe taws of tbit State of Iwe.was,.. Date Auxoftidaia , oats , • —A,, A41-4:1-° �+ bpi..•ra. .v SUMMARY AND CONCLUSIONS Presented herein is an engineering study which supplements the , previous reports concerning the Lake Lucy Road Trunk Watermain project. These reports were dated June , 1979 , and February 4 , 1980 . The City currently has a water system with two pressure zones - east and west. The supply for the east zone (low pressure) is provided by two wells , with a third well under construction. Supply 1 for the west zone is from Well No. 3 only, with limited backup from a small unused well at West Junior High. The Lake Lucy Road 18-inch watermain would provide a trunk connection between the two pressure ' zones. Without such a connection, reliability in the west zone is severely lacking. There have been operational problems with Well 1 No. 3, and its reliability remains in question. The purpose of this supplemental report is to identify the remaining trunk water facilities (and their expenditures) required 11 to serve the proposed Dunn & Curry area developments, and to project 4 trunk water assessment revenues therefrom. The possibility of using I some of these assessment revenues to fund the Lake Lucy Road trunk water improvement was then explored. 1 Based on the information presented herein, we conclude the following: 1) The proposed improvements are feasible from an engineering ' point of view. 2) There would be adequate funds available from surplus trunk water assessments from the Dunn & Curry area developments to temporarily fund the Lake Lucy Road water improvements proposed herein. I 3) The assessment for water service along Lake Lucy Road could, therefore, be deferred until sanitary sewer service is available. _ : -■ ' 4'‘ 4) Presented herein is a proposal to improve the condition Iof the street on Lake Lucy Road in conjunction with the 1 it proposed trunk water improvement. The street improvement is proposed to be assessed to abutting properties at a rate Iof $21. 64 per front foot. 5) The following cost summary indicates estimated costs, Irevenues, and proposed assessments. 1 .. I . 1 - 1 I I I f I 1 • II I _ 1. 4 COST SUMMARY LAKE LUCY ROAD TRUNK WATERMAIN UPDATE Total Estimated Project Cost $550,810 , Street Upgrading $225 , 935 I Front Foot Assessment Rate for Streets $21. 64 Lateral Watermain $ 63 , 675 Lateral Water Assessment Rate Per Unit $2 , 553 Trunk Watermain $261, 200 From surplus II A Trunk assess- ment Revenues . =£ 1 Total $550 , 810 Total Trunk Water Assessment Revenues $1, 364 ,730 Total Trunk Water Facility Costs 1 , 001, 655 Surplus of Trunk Water Assessment Revenues to be Alocated to Lake Lucy Road Trunk Watermain $ 363 , 075 3 4 • y k:.r ;i'•tej'* tang, July 21, 1980 -3- li , f 4 i Pearson moved to grant the variances as recommended by the Board of " is and Appeals. Motion seconded by Councilman Geving. The following voted $ II - r« Mayor Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No negative i Motion carried. -- INSURANCE AGENCY SIGN REQUEST: The Sign Committee recarended 12 to 16 inch I ooden letters, white in color, be affixed to the mansard roof. Staff 1/ 4-Trended approval contingent upon the actual issuance of the sign permit being .-,,,cd until the building landlord has taken appropriate action to being the `` ! . m building into conformance with the Sign Ordinance. t ibrian Swenson moved to accept the conditions as stated by the City Planner II ^ti Sign Camrittee with the recaYmendations as noted in the City Planner's letter July 16, 1980. Motion seconded by Councilman Neveaux. The following voted in favor: c., Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No negative votes. 4 on carried. I LUCY ROAD WATERMAIN PROTECT: Councilman Neveaux moved to table this item to a--/ date. Motion seconded by Councilman Swenson. The following voted in favor: ,; ; Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No negative votes. ;ion carried. II _T,')ITIONAL USE PERMIT, FARMER'S MARKET, ST. HUBERT'S CHURCH PARKING LOT: Councilman _ ;son moved to approved the conditional use permit in line with the Land Use -, dinator's report of June 23, 1980. The Land Use Coordinator will prepare the f. �xiitional use permit. Motion seconded by Councilman Pearson. The following voted ,-: favor: Mayor Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No negative -ctes. Motion carried. li MINA TRAIL SANITARY SEWER PROJECT, STREET PAVING: A petition has been received signed by several residents on Kiowa Trail expressing a willingness to pay an Z additional $588.00 for blacktopping instead of sealcoating Kiowa Trail. Mr. and Mrs. I Eichholt expressed concern about possible settlement of the street due to the sewer installation. Muncilman Pearson moved to authorize a contract amendment to add a two inch mat I rather than sealcoating to the Kiowa Trail Sanitary Sewer Project 79-3 based on the City Manager's recommendation. The City Engineer will recheck the compaction. No - speed dips will be installed. Motion seconded by Councilman Neveaux. The following Ir. voted in favor: Mayor Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No - negative votes. Motion carried. PUBLIC IMPROVEMENT AND URBAN DESIGN CONSTRUCTION, DOWNTOWN REDEVELOPMENT PLAN, HRA: IF Clifford Whitehill, HRA, and In Ringrose, BRW, were present. The HRA has recommended that BRW be retained to prepare the feasibility study for the redevelopment area. Schoell and Madson have requested consideration. After much discussion, Councilman I Neveaux moved to table action to June 28, 1980, at 7:00 p.m. Motion seconded by Councilman Pearson. The following voted in favor: Mayor Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No negative votes. Notion carried. IICONSENT AGENDA: Mayor Hobbs asked if council menbers'.wished to discuss any its on the consent agenda. As no additional comments were received, Councilman Geving moved to approve the consent agenda as recommended by the City Manager. I a. Authorize letters of appreciation for volunteer service: 1. Joe Betz, Park and Recreation Commission. 2. Mark Littfin, Fire Marshal. II b. Industrial Revenue Bond proposals, establish time limits of approvals. 1. Roos Office Building - West 78th Street. 2. Dodge Dealership - West 79th Street. Motion seconded by Councilman Neveaux. The following voted in favor: Mayor Hobbs, A Tram ix k) T 3 .. ' August 4, 1980, Council Meeting -2- i ., SPECIAL COUNCIL MEETING: The Council will hold a special meeting August 11, 1980, to review proposed assessments with the City Engineer. � r "F 1 1 ; BALTIC CORPORATION NON-CONFORMING USE PERMIT: At the Councils request, Lon •fl Holte was present to review items not completed as setforth in the non-confo ii use permit. No action was taken. The City Attorney will proceed with court action against Baltic Corporation and Transamerican Insurance Company. 4L t ' � c--- LAKE LUCY WATERMAIN PROJECT: The City Manager discussed his report of July 21, 1980. The Planning Commission recommended that the Council not construct the Lake Lucy Road watermain but instead drill another well at wellfield #3. Primary 1; concern by the Planning Commission was the comparison of $125,000 for a new well versus $330,000 for the Lake Lucy Road watermain construction. Council members discussed a connection from the new well in Chanhassen Lakes Business Park along State Highway 5 west to Galpin Blvd. and north on Galpin Blvd. to the existing well. ,i_ fil ) Councilman Neveaux moved to table action until the City Manager defines the costs of running a line along Highway 5 to Galpin Blvd. and ways to fund the project. ' Motion seconded by Councilman Swenson. The following voted in favor: Mayor { Hobbs, Councilmen Pearson, Neveaux, Geving, and Swenson. No negative votes. -z. i. lip- 1 Notion carried. II I> NORTH AREA ASSESSMENT - HOWARD VERI): Mr. Verlo was present requesting an _- . 1- explanation of his assessment. The City Attorney will meet with Mr. Verlo to ,__ ;_ , explain the assessment. II °fj PUBLIC NUISANCE, 6689 NEZ PERCE DRIVE: A signed petition was received from the j - i residents of the 6600 block of Nez Perce Drive in Carver Beach requesting _ assistance in restoring the neighborhood to the quiet and safe place it was. II_ ' Captain Al Wallin, Sheriff's Office, and several neighbors were present. No ., , ' action was taken. ' PUBLIC IMPROVEMENT PETITION, LOTUS TRAIL: A signed petition has been received '+ requesting the paving of Lotus Trail. Several residents were present. Council'~, r + Pearson moved to authorize a feasibility study for the paving of Lotus Trail -1 and refer the question as to how to resolve the apparent conflict between the III, , Carver Beach Plan and actual property usage patters to the Park and Recreation ; Commission and Planning Commission for their consideration. Motion secondeltY II Councilman Geving. The following voted in favor: Mayor Hobbs, Councilmen Pease { 4' Neveaux, Geving, and Swenson. No negative votes. Motion carried. •, i ' ,1 i PARK ONE DEVELOPMENT PROPOSAL: Julius Smith, Jerry Korsunsky, and Daryl Fore were present. The Planning Commission has recommended that the Council approI a generalized sketch plan reflecting that the northerly portion of Park One be -. ± developed as a planned industrial area. I Councilman Pearson moved to authorize staff to solicit proposals to prepare a _r- . feasibility study and prepare a tax increment financing plan. An escrow acool.Pt�; will be established to cover all possible contingencies involved in the prePan4 of reports and staff time. Motion seconded by Councilman Neveaux. The foU voted in favor: Mayor Hobbs, Councilmen Pearson, Neveaux, Geving, and Swez ' _� No negative votes. Motion carried. -; Mayor Hobbs moved that assuming the project is feasible, in order to pros under either a public improvement project or an economic development distr i" the City Council is of a mind that the project would have to be guaranteed. -if: Motion seconded by Councilman Geving. The following voted in favor: MaYC • , 1 • . . ) c 1 ; yr • F .3. ri r • , al s .g . 1 ; _ - _ r- .. to ; ,.. - I i;,r y. '` '"- ., 7610 LAREDO DRIVE 0 P.O. BOX 147 O CHANHASSEN. MINNESOTA 55317 fir .' � 4 G "I, - (612) 937-1900 , I I MEMORANDUM ; 1 TO: Mayor and City Council • Iran: City Manager, Don Ashworth . s DATE: March 2 , 1981 I .1 1StJBJ: Lake Lucy Road Truck Watermain Feasibility Report Update, Schoell and Madson 1 i i his item has appeared on numerous agendas - thus providing difficulty for this office in summarizing issues. Although any one discussion "'point can lead to numerous tangents, I believe that only one option remains viable - construction of the trunk water facility on Lake Lucy Road. This recommendation is made based on the following: I1) . The proposed construction represents the least . expensive means to provide reliability of the water system as; ' I a. There is no assurance that a second well on County 117 would not encounter similar sand problems as - _ Ipresently exist at that well. .. b. Adequate water supplies can be assured to the north Iservice area from the existing well structure within '' the core area. IC. Back up water supply would be provided'to the core area, i.e. failures or repairs at the high water . storage tank in the core area, simultaneous loss - of electricity to run pumps within this area,. etc. . 2) . This option does represent the least cost, in the long Irun, to abutting property owners as: a. Water service along Lake Lucy Road will continue to Ioccur. As each of these extensions move westerly abutting owners will incur higher costs from doing the job twice, i.e. Ersbo watermain extension request 1 of 1979 , potential watermain extension for the sewered property north of Ersbo, etc. 4 ,,..a., „„,,.......„...7- # C4- .f;..:-.._ • �, b. Lake Lucy Road is • F wake the Cad one of the few , improved. y which has. not been perming streets Break u permanently the road passables this past it may nearly made impassable -during In 1981, it nay be the most g the Spring period, totally minor possible repair would be costs of 3 to 4 times greater =� for the e greater than the entire at least do not entire city. Finally, repair budget readily lend themselve existing ditches which will ea require that such watermain roadwa be under one azs Constructs, y- Putting all of these factors o Side • simply means that together the simply pl at the road improvement near future and when watermain oast u occurs, property owners will literally construction ion road construction. paying c. The Lake Lucy .- Y Road watermain will ,' in time. Property occur present p y owners can avoid the at some the present and time, but, in the long cost at the -- probably at a higher costar they will pay The 3) . closely Lake Lucy Road •: ke Luc trunk represents the overall trunk more - unk water plan as: a. It is a ''� part of that trunk water plan_ b- Within the next 5 ` ' will be seriously to 10 Year period A' will treatment considered by the City.. removal process is ex Y• This and of Pump house within Pensive and the wells and �l`\ _-_- hump house the Chanhassen Lakes Business have been ntsihetd andades designed to Park removal capabilities would be accommodate irrn a, Recognizing this removal Area provided to ' iron ; _ The Service if the Lake Lucy watermain were construe: alternative, of constructing re construe,- ` well on County 117, would not g a Secondary � capability, provide this type of Two major deterrents exist t Road major watermain to completing construction of the Lake such, as a trunk facility (increasing City could not reasonably as a trunk via facility ing sewer and water rates is pay for such pad whether voters would taxes represents is sot equi _. assessment of lateral w ld ppr ve such a referendum, etc.) ;) ; to equi • _ assessment undue hardship to abutting etc.) ; erd 2) and/or development peon these owners and g Property owners wi21 ' dnsired_ guests with densities higher premature debelopmen' yhis latter point also brings to g er teen may be k as sanitary • •�� � is not light the ;144,,' as s ni city would be presently available to question that, assessments would setting a double standard this general area, ,,, be on a typical o in that water � " 45 which would YP�-cal residential "`' "� prohibit divisions without lot size versus Ord3.rt �• • In light of the above sanitary sewer. Ind log to carry out a comments, this office revenues/expenditures of trunk at Schoell and a/expenditures o f the overall trunk water system and : z •.-- rated December, f that system- The 1980, reflects attached ges against re• '. that trunk water charges against ��.',' • .Mayor and Council i! properties within the Chanhassen Lakes Business Park as well proposed residential developments will produce revenues in excess of proposed trunk water facilities solely located within any one of those developments. Based on this analysis, the conclusion that could be drawn is that - given the revenues that would be generated within the trunk water system that sufficient monies exist to fund the Lake Lucy Road trunk water costs from such revenues. The problem with this type of analysis is that such represents "pie in the sky" . Should either Chaparral West or Lake Susan Hills West not be approved or not develop as envisioned by the developer, the City would then be faced with another "north service area" (expenditures would have occurred, but no revenues present support such construction costs) . • It is the belief of this office that the above fallacy can be averted. il Specifically , in approving the New Horizon development on the east side of County 17 , the City set the full amount of assessments as a cost to be paid by the developer over a three year period. Should they fail to pay such assessment, they were additionally required ila to establish a letter of credit equal to 110% of such assessment costs. If the city council were to establish a similar policy in ilapproving either "Chaparral West" or "Lake Susan Hills West" and make the trunk water charges against lots within those developments a part of the initial assessable costs (guaranteed by letter of credit) the City could assure thatsufficemoie monies would exist to pay trunk . costs for the Lake Lucy Road water ntt I believe the recommendation presented above represents a viable alternative to the City. Further, I believe that within the next 30 to 60 days that decisions in regards toChaparral WesthandiLLake Susan Hills West will be consummated and, as Council agreed that this funding technique ris logical, i.enconstruction of the Lake Lucy Road trunk, lateral, conceivably, begin this summer. Ordering a public hearing date of April 13 , 1981 ,. is recommended. Such hearing would consider assessing improvement costs in accordance with the December, 1980 , Schoell and Madson feasibility study. Recognizing an approximate 8 - 10 week period to prepare plans and specifications and advertisement for bids, the earliest a final decision to approve or deny proceeding with the project would be mid-June. C✓ 6)412-) o ✓ F-g... ,P� C ' " -� .2 4 ,/,..,fi /h 1, -t,_.e 1. cf s - Se-4.LA-e-// f ` 44-dio '..' t • 4r..-,- s : k. /'1 a rt.eft-a-4.- c..., :Y.7.( 0- (....)ct.„3 ,,,; : . GA j .---__rj--"I' AM - Council Meeting March 2, 1981 -2- Y Councilman Horn moved to note the February 19, 1981, Lake Study Committee minutes._ Motion seconded by Councilman Geving. The following voted in favor: Mayor Hamilt - Councilmen Neveaux, Geving, and Horn. No negative votes. Motion carried. LAKE LUCY ROAD TRUNK WATERMAIN: The purpose of this proposed watermain project is to provide a trunk connection between the east and west pressure zones in the city 1'' At the present time the western part of the city is supplied by Well No. 3 only. I Jim Orr briefly explained the proposed project and methods of payment. =r �; Councilman Geving moved to direct staff to prepare budgetary estimates for the _`� iC by-pass of Well #3 as well as an analysis of the trunk fund to determine the ability to carry out repairs at Well #3. This item will be on the March 16 Counci - . agenda. Motion seconded by Councilman Horn. The following voted in favor: Mayor --•Hamilton, Councilmen Neveaux, Geving, and Horn. No negative votes. Motion carrie _1 TRAILER REMOVAL, DONALD SCHMELTZER, TWIN HILLS: Councilman Geving moved to direct staff to prepare a letter to Mr. Schmeltzer ordering the removal of his mobile hom within ten days or be subject to a fine of $300 per day of violation. Motion secon F by Councilman Horn. The following voted in favor: Mayor Hamilton, Councilmen Nev. ' -1,. Geving, and Horn. No negative votes. Motion carried. .4 REMOTE WATER METER POLICY, REQUEST FOR RECONSIDERATION: Mike Murphy, President of the Chanhassen Estates Residents Association, appeared before the Council objectin? to the policy for the installation of remote water meters. The Council took no i action to change the policy of requiring the installation of remote water meters. If HIGHWAY 212 OFFICIAL MAPPING, PROGRESS REPORT: Pat Murphy, Carver County Director °� of Public Works, and Councilman Geving reviewed the progress of the Highway 212 -_, Citizen Advisory Committee. No action was taken. REVIEW NEW COUNTY 18 ALIGNMENT ALTERNATIVES: Pat Murphy, Carver County Public .k Works Director, and Don Wisniewski, County Engineer, reviewed county road construction plans including the hard surfacing of Lyman Blvd. from Great Plains Blvd. to Audobon Drive. The county five year plan calls for the extension of Lyman ° Blvd. west to Hazeltine Blvd. Council members were asked to select an alignment '; for this extension. 'x. Councilman Geving moved to table action to March 16, 1981. Motion seconded by Councilman Horn. The following voted in favor: Mayor Hamilton, Councilmen Geving ,. s- and Horn. Councilman Neveaux voted no. Motion carried. NORTH SERVICE AREA, 1980 APPEALS: The City Attorney presented court findings in regards to 13 property owner appeals in regards to assessments placed by the City = in 1980 for the North Service Area. It is the opinion of the attorney that the City Council's findings as to the amount of such assessment was not questioned, but that the technical basis on which assessments were made in 1980 represented the _ basis of the adverse decision against the City. Such appeals and decision by the Court did not invalidate any of the other 300+ assessments placed by the City in--- `` either 1973 or 1980. It was the opinion of their office that, the Council should = t; comply with the rulings of the Court to abate the previous two hearings and to establish one colsolidated hearing for assessment of sewer and water costs against the 13 owners considered by the Court. The amount of the assessments would remain : - `,: the same. k Councilman Neveaux moved to direct the City Attorney to prepare a re-assessment '' _ roll for the 13 specific parcels effected by Judge Breunig's order of February 9, , N 1981. Motion seconded by Councilman Geving. The following voted in favor: Mayor; _ Hamilton, Councilmen Neveaux, Geving, and Horn. No negative votes. Motion carries s 4TrAtilnitralf - :: , ItILLIAM 0. SCHOELL ' ARLISLE MAOSON JACK T. VOSLER •� MES R.OAR , •-,_,, :4 ')1:-• . . AROLD E.DAHLIN ..� '._ ;'''''"V RRYL. HANSON �-`— '`' SCHOELL 8,. MAOSON INC. JACK E. GILL .• r ••%.— ' IHEODORE D. KEMNA • ,; y-s*irl ENGINEERS ANC) SURVEYORS OHN W. EMOND s,� r ENNETH E.ADOLF if_: WILLIAM R.ENGELHARDT j ISCOTT HARRI (612) 938-7601 • 50 NINTH AVENUE SOUTH • HOPKINS. MINNESOTA 55343 ERALD L.BACKMAN March 13, 1981 I II . City of Chanhassen c/o Mr. Don Ashworth, City Manager a�(�N't2'3i P. 0. Box 147 *° -4 Chanhassen, Minnesota 55317 '' '.? T98/ -��` i co I � Subject: Well No. 3 Renovatio n-'- � Ci 1 kcn �cA � '.;,. i IGentlemen: MM,ssa' A V 3 Pursuant to Council request, we herein report on tie i-atter� Iof renovation of City Well No. 3, and other work required to A undertake such renovation. Since the March 2, 1981, Council Meeting, we have done `, I `: further investigation of Well No. 3. The well was test-pumped on three different runs at varying pumpa.ge rates . The purpose was to determine the sand content from the well, and what effect Ivariations on pumping rates have on such sand content. Findings were that at a pumping rate of 750 - 840 gallons per minute the I : Isand content was from 0 .13 - 0 .39 parts per million. At a , 31 Ipumping rate of 1,050 gpm the sand content was 1. 71 to 3. 17 ppm. t' The well pump currently has a severe vibration. 1 Well No. 3, since its drilling in 1973, was a sand producer 1 (20 ppm) . The well draws from both the Jordan and Shakopee I ;`aquifers. In 1973, the sand problem was not severe enough to 1 .;b �I SCHOELL 8. MADSON,INC. • City of Chanhassen II c/o Mr. Don Ashworth, City Manager March 13, 1981 Page Two II justify the expensive screen and gravel packing. It was assumed that the sand would possibly disappear. Based on the recent 1 tests it has. We thus are not recommending television or photo analysis of the casing. The only work recommended for Well No. I is to pull the pump, replace bearings and bowl assembly, , Y, and ''?2 replace required shaft column pipe and spiders as the condition dictates . Our estimated cost for this is from $7,000 to $20,000 depending on what is found from pulling the pump. Time required to complete this work is approximately one - two 'weeks. Durin this g period of repair the West Junior High standby well will z. likely not be able to handle minimum domestic demand for a eri. : of a few weeks . P The West Junior High well can definitely not sustain the system in peak demand periods of the summer or for „ major fire demand. We, therefore, urge that one of the followi • options be done prior to repair of Well No. 3. r1 'Y t.. i. Option No. 1 - Installation of a "Temporary"P y" Booster Bypass 63rd and Yosemite Pressure Reducing Valves: at _ This would involve construction of a Pumper hose connectio_% on each side of the pressure reducing manhole. These would be, permanent points of connection for either a fire pumper or a y trailer-mounted booster pump (gasoline driven ,r , Estimated cos —_ the connections (similar to fire hydrants) would be up 00•x °' This does not include the p to $5' pumper cost which we assume would be; rented. _ ■ .4 SCHOELL $. MADSON.INC. • Hi City of Chanhassen March 13, 1981 1, I c/o Mr. Don Ashworth, City Manager , r Page Three I . Option No. 2 - Increasing the Capacity of the West Junior High I Well with a new Pump: ,,j i This option would increase pumping capacity of the well from I the current 100 - 150 gpm to 250 - 300 gpm. This 300 , 1 II gpm capacity would give slightly improved reliability on an emergency basis for domestic demand. It would not give fire demand reliability !, 1 II nor would it likely provide peak summer demand reliability. Cost of new pumping equipment would be approximately $4,000 - $7,000 Iassuming no unusual problems when the pump would be pulled. it :I I also assumes that the Minnesota Department of Health would approve of such a change without adding chlorination and fluorida- ' i tion. They have tentatively indicated that for a standby well they may waive the requirements for disinfection and fluoridation. II Should chemicals be required, the cost would o u g up $4,000 - $6,000 . I We have tentatively discussed this with Minnetonka School District Staff, and feel that an arrangement to house chemical feeders in ' their old tank room could possibly be worked out. II IIn terms of the school well, it was drilled in 1963 by E. H. Renner, was test-pumped at 270 m with th three ppm sand. The well • Iwas acquired by the City in 1974 . It is a pitless unit, has a six inch casing, and is 520 feet deep and terminates in the II Jordan aquifer. . I I a W a k SCHOELL & MADSON,INC_ 11 City of Chanhassen II c/o Mr. Don Ashworth, City Manager March 13, 1981 Page Four 11 II i 1 Conclusions: We recommend the Council authorize repair of Well No. 3 presented. This should be done in any case. Prior a� repair work commencing, to such i g, we recommend that the West Junior High Well capacity be increased (Option No. 2 by addition of new ai pumping equipment. This will add some reliability on an s emergency basis, but will not :lc provide the desired reliabilit i ' for peak summer demand or fire demand. reliability :0",.. Option No. 2 would maximize the capacity t.`4 ` P acit Y of the school well. Y , It should also be noted that although the improvements' _ -`' proposed herein would be beneficial to the City's } ' reliability, water system.;-` Y we still urge the interconnection of the hi low service zones . This high andJ'=� would be accomplished by the Lake Lucy Road trunk watermain. _tic' 3 s; Very truly yours, SCHOELL & DSON , INC. . ,, JROrr:bk = , ;-,ii . ,) ," . ',, A l . e; 1, ' FUND: 402 WATER EXPANSION :_.;:;•. • i DEPARTMaNT: DEBT SERVICE FUNCTION: RETIRE GENERAL OBLIGATION DEBT '11 it.t.,:,... i ...,. '-'- - -.5.. ACTUAL - . ESTIMATED BUDGET r • . 1 1979 1980 1981 0.)E '-1 .1NUE ilk . _ - i :.;. SPECIAL ASSESSMENTS - 3130 Current $ 2,356.62 $ 2,730.00 $ 2,000.00 - 1 ; I -7: 3131 Delinquent i 2,- 2,052.00 TOT 2, AL SPECIALASSMIS. 1,700.00 4,408.62 4,430.00 500.00 . 2,500.00 REVENUE 4-. 3801 Interest 2,873.14 2,300.00 2,300.00 3806 Connection Charges ii 5,960.00 4,800.00 10,000.00 TOTAL OTHER REVENUE 8,833.14 7,100.00 12,300.00 ;,...),._ . - ,-.- TOTAL REVENUE 13,241.76 11,530.00 14,800.00 -0- 1 ill TRANSFERS - IN TRANSFERS - our 0- BEGINNING; BALANCE -0 7 - - 45,003.54 . . 29,770.00 -. 0- 29,650.00 I- -2,--- . TOTAL RESOURCES - CONTRACTUAL EXPENSES • _.., i 58,245.30 41,300.00 44,450.00 :4330 Fees Service '-' 4550 Repair & Maint., Utility DEBT SE:IA:CONTRACTUAL 2,185.44 14,000.00 16,185.44 -0- -0- -0- 2,000.00• 14,000.00 16,000.00 . ' II, 4801 Debt Principal 10,000.00 10,000.00 10,000.00 4802 Debt Interest 2,260.00 1,620.00 980.00 4803 Miscellaneous 26.00 30.00 30.00 11 TOTAL DEBT SERVICE 12,286.00 11,650.00 11,010.00 V 11 TOTAL EXPENDITURES $28,471.44 $11,650.00 $27,010.00 --- . ill . . l ' • - . g 1 1 t I,iv..;i. . .0 '' j � • FUND: 402 WATER EXPANSION 1 • � DEPARTMENT: DEBT SERVICE FUNCTION: RETIRE GENERAL OBLIGATION DEBT II I - Commentary - EllThis fund derives its money from water hook u Y up charges and is dedicated to pay oversizing and other general benefit costs associated with the water utility system. Current and future �: debt payments to the 1968-2 pump house are as follows : Year Principal Interest Total -1.`051. . 1981 ' $10, 000 $ 980 $10,980 1982 10,000 330 10.330 ' IV • - . — Repair of Well 43 is proposed in 1981 ($16,000) . . This well i approximately 10 years old and replacing worn parts, repackin .f . Eli and inspecting well casing is required. ; `• ;e la M • 3: ' q1 wise i 3 i ' tea, re {t t. .A .f .to • Ell U ... , g 1 '. ,i t — if I . 4`. • a *, March 16 , 1981 II* Manager' s Comments: IThese two budget sheets are taken from the approved -1981 budget. They reflect that the intent has been to repair Well #3 and costs set I appear within current estimates of the engineer. However , the budget also assumed that a permanent solution to the reliability issue would have occurred prior to repairing Well #3 and that the I permanent solution would have been paid from some other revenue source, i.e. construction of the Lake Lucy trunk watermain as a public improvement project. If the Council approves repairs to Well #3, including temporary auxiliary water supplies (i.e. upgrading I of well at Junior High) , a budget problem could exist. This statement is made in light of the fact that the 1981 budget represented a "best estimate" of revenues and expenditures. If I "connection charges" are less than the $10 ,000 shown, no severe problem would exist as "Total Resources" exceed "Total Expenditures" by $17 ,000. The above statements are also true if expenditures I exceed the $16 ,000 budgeted. However, if we now also attempt to pay for the auxiliary water supply costs, a deficit could occur, i.e. I1981 Budget - Water Expansion Fund (If modified per the engineer' s memo of March 13, 1981) I1981 Optimistic Pessimistic Budget As Budgetary Budgetary Approved Position Position ITotal Revenue $44 ,450 . $48 ,000. $40 ,000. IExpenses Well Repairs 16 ,000 . 7 ,000 . 20 ,000. Auxil. Water Rep. -0- 4 ,000 . 7 ,000. IFluoridatin/Chlorin ation -0- -0- 6 ,000 . Debt Service 11,010. 11 ,000. 11 ,000. Engineer/Other Exp. -0- 2 ,000. 2 ,000 . I 'Total Expenses 27 ,010. 25,000. 47 ,000. I Balance 17 ,340. 23 ,000. [7 ,0001 * (- *This situation would require a temporary loan from the sewer availability fund. This may be up to a three year period as sufficient monies Imay not then exist in this fund to pay 1982 debt service costs. 1 - � 4_ I , ATTA4,4 At E Ur, . A'S ' ' 4• 3111:%.,A 1111111111111111111.1".4-1—, R CHANHASSEN CITY COUNCIL MEETING MARCH 16, 1981 «,, : Hamilton called the meeting to order with the following members present: ;ilmen Geving and Horn. Councilmen Neveaux and Swenson were absent. The meetin with the Pledge to the Flag. ,,,,_119L OF AGENDA: Councilman Horn moved to approve the agenda as presented with th' -sting additions: Debris in Kenny's Parking Lot, Check List, Review of City t :rings, Overlay District for Redevelopment Project, discussion of meeting with ,_:ant Web on March 13. Motion seconded by Councilman Geving. The following voted Mayor Hamilton, Councilmen Geving and Horn. , No negative votes. Motion carri OF BIDS - CABINETRY FOR LIBRARY, CITY HALL, AND PUBLIC WORKS BUILDINGS: Three II were received with Bloomberg Companies being the low bidder in the amount of .785.00. • ^caiman Geving moved to award the bid to Bloomberg Companies in the amount of :: .785.00 for cabinetry for the City Hall, Library, and Public Works Buildings. Motio ,r;:,aded by Councilman Horn. The following voted in favor: Mayor Hamilton, Councilm .-% ing and Horn. No negative votes. Motion carried. w.s:7ES: Councilman Horn moved to approve the March 2, 1981, Council minutes. Motion ...•:onded by Councilman Geving. The following voted in favor: Mayor Hamilton, Counci c..;•inw and Horn. •No negative votes. Motion carried. :-`NSEN"T AGENDA: Mayor Hamilton asked if council members wished to discuss any items the consent agenda. As no additional comments were received, Councilman Geving mo . approve the consent agenda pursuant to the City Manager's recommendations: a. Upgrading of Existing Highway 212/169. - 44-19-4A ' 3/-6‘15 b. Set Special Meeting Date, April 4, 1981, at 9:00 a.m. to tour various public improvements. c. Lotus Lake Community Park, Amend Grant Application. d. Set Special Meeting Date, Board of Equalization, June 8, 1981. Motion seconded by Councilman Horn. The following voted in favor: Mayor Hamilton, Councilmen Geving and Horn. No negative votes. Motion carried. REVIEW NEW COUNTY ROAD 18 ALIGNMENT ALTERNATIVES: Pat Murphy, Don Wisniewski, Mark II Koegler, and Luke Melchert were present. Council members discussed previous actions taken by the Council in reviewing overall county road systems. Attention was given to potential new alignments as it would extend westerly from Galpin Blvd. to State Highw 41. The City Manager was instructed to set up a meeting with the Chaska City Council to discuss possible alignments. The joint meeting was tentatively set for March 30, 1981. MUNICIPAL WELL #3 RENOVATION: Jim Orr presented a report on the work necessary to renovate Well #3 and approximate costs associated with the renovation. Councilman Horn moved to authorize staff to take the necessary steps to renovate XWell #3 and adopt the modified budget (Option 2) per the Manager's report of March T6, 1981. Motion seconded by Councilman Geving. The following voted in favor: Mayor Hamilton, Councilmen Geving and Horn. No negative votes. Motion carried. SORENSON DEVELOPMENT PROPOSAL, WEST 79TH STREET: Mike Sorenson was present asking about the status of the HRA downtown project as it relates to his property on the corner of West est 79th Street and Great Plains Blvd. Mr. Sorenson was told that various alternatives will be prepared in terms of his ability to develop his property depending upon the Council's decision regarding the HRA project. ' AITUAI 6-1-4. FUND: 402 WATER EXPANSION I FUNCTION: CAPITAL PROJECT FUND II 1988 BUDGET Commentary 1 This fund derives its money from water hook-up charges and is dedicated to pay oversizing and other general benefit costs associated with the water utility system. Revenue into this fund fluctuates greatly in that collections are I based on development in areas where trunk costs were not assessed as part of the construction project. FIVE YEAR CAPITAL IMPROVEMENT PROGRAM IIFOR THE CHANHASSEN WATER SYSTEM ESTIMATED YEAR DESCRIPTION COST II1986 Install siding on Well House No. 1. 1,500 II Abandon Well No. 1 . 4,000 Remove pump and liner at Well No. 2 and reinstall following overhaul and general Irepair. 14,000 1987 Install tower level indicator in Well No. 4. 5,000 IIWaterproofing County Road 117 Booster Station. 1 ,200 IIWaterproofing Yosemite Pressure Reducer Station. 1,200 Remove pumps and liner at Well No 3 and reinstall following overhaul and general Irepair . 15 ,000 Remove booster pump on County Road 117 and Ireinstall following general overhaul. 10,000 General Repairs 10 L___000 a I1988 42 ,400 Painting and general repair of north water tower including supply alternate water source. 70,000 II Painting and general repair of water tower on West 76th Street. 41 ,000 General Repairs 10000 , I 1989 liner at Well No. 4 and 121,000* Remove pumps and --- reinstall following overhaul and general IIrepair. 17,500 General Repairs 10,000 II 27,500 I 1990 Construct Well #5 * Note: Lake Lucy trunk watermain needs to be completed. Staff will explore funding options in 1988 and potentially recommend completing this project in 1988 as a combination special assessment/special revenue project. This alternative may allow the City to fund the project over a 5-10 year period and stay within projected revenues I - ._. - - . - _ —76— 11IAA 'i'a.1T .10....3 - _,�i� I 1 1 weal 1 4J1 Mar