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HomeMy WebLinkAbout6. Comprehensive Guide Plan Amendment - Sewer Service PlanFarmington Independent AFFIDAVIT OF PUBLICATION Diane Berge, being duly swom, on oath says that she is an authorized agent and employee of the publisher of the newspaper, known as The Farmington Independent , and has full knowledge of the facts which are stated below: (A) The newspaper has complied with all of the requirements constituting qualification as a legal newspaper, as provided by Minnesota Statues 331A.02, 331A.07 and other applicable laws, as amended. (B) The printed �,V Caj e A, which is attached, was cut from the columns of said newspaper, and was printed and published once each week for r successive weeks; it was first published on Thursday, the _�j_� _ day of , 19�� and was thereafter printed and published on every _ Thursday, to and including Thursday, the ---- day of 19 — ; and printed below is a copy of the lower case alphabet from A to Z, both inclusive, which is hereby acknowledged as being the size and kind of type used in the composition and publication of the notice: 2bc&f&"xp By: cQiC+1'tJL Title: Administrator for thd Pubfisher Sub cr' an worn to before me on this da of , 19 1 � o Pu lic AAAAAAAAAJJAAA LISA M. SHERVHEIM NOTARY PUBLIC MINNESQTA DAKOTA COUNTY My Commission Expires Nov. 19, 1992 City of Rosemount Public Notice Compmheasiive Guide Plat Amendmem Sanitary sewer Plan Element TO WHOM rr MAY CONCERN: i NOTICE IS HEREBY GIVEN, the City Count of the City of Rosemount wt71 hold! a public heating on Tuesday. June 2,1992 in the Counpl Chambers of the City Hall,'; 2875 145th Street West, beginning a 8:00 P— or as soon thereafter as possible. { The PuPOSe of this hearing is to mccive comments an a Proposed amendment to the Rosemount Comprehensive Guide Plan Sanitary Sewer Plan element. The City Council WM consider changing the Sanitaty Sewer Service districts for an area within Section 31 and the west half of Smdcn 32, Township 115. Range 19, and the southwest comer of the City of Rosemount The City proposes to divert all wastewater flows from throe sewer subdistricts in this area frau the Rosemount .Waatewmer Tmatment P2,to the Empire 't Treatment Plant. The City also proposes to designate land within these subdistricts as part of the year 2000 Urban Service Ama. Persons wishing to speak on this issue am i invited to attend this meeting on Tuesday. 4r hone 2,1992 at 8:00 pm Dated this 19th day of Mry,1992. By /s/ Susan M. Walsh Susan M. Walsh, Citg Clerk j City of Rosemount 521 ! Dakota County. MuneM&l (Pity of Rosemount PHONE (612) 423.4411 2875 - 145th Street West, Rosemount, Minnesota MAYOR FAX (612) 423.5203 Mailing Address: Edward B. McMenomy P.O. Box 510, Rosemount, Minnesota 55068-0510 COUNCILMEMBERS Sheila Klassen James (Red) Staats AFFIDAVIT OF POSTED HEARING NOTICE Harry Willcox Dennis Wippermann Comprehensive Guide Plan Amendment ADMINISTRATOR Stephan Jilk Sanitary Sewer Plan Element STATE OF MINNESOTA ) COUNTY OF DAKOTA ) ss CITY OF ROSEMOUNT ) Susan M. Walsh, being first duly sworn, deposes and says: I am a United States citizen and the duly qualified Clerk of the City of Rosemount, Minnesota. On May 20, 1992, acting on behalf of the said City, I posted at the City Hall, 2875 145th Street West, Rosemount, Minnesota, a copy of the attached notice of a public hearing for consideration of an amendment to the Rosemount Comprehensive Guide Plan regarding the Sanitary Sewer Plan Element. There is delivery service by United States Mail between the place of mailing and the places so addressed. Susan -M. Walsh ' City Clerk City of Rosemount Dakota County, Minnesota Subscribed and sworn to before me this day of M , 19W a AAAAArr ,,VW inn -v%J nA nnn"�'i`^r r nn _. i+t`rTAF PUX3 C--Rvvli�Pli`?E X761 , NTY DAKOTAM >vri;es Aug. " Public 6verylki,ngs Cooming (Ulp gosemounlP 0 recvcietl oann City of (Rosemount PHONE (612) 423-4411 2875 - 145th Street West, Rosemount, Minnesota MAYOR FAX (612) 4235203 Mailing Address: Edward B. McMenomy P.O. Box 510, Rosemount, Minnesota 55068.0510 COUNCILMEMBERS Sheila Klassen James (Red) Staats CITY OF ROSEMOUNT Harry Willcox Dennis Wippermann Public Notice ADMINISTRATOR Stephan Jilk Comprehensive Guide Plan Amendment Sanitary Sewer Plan Element TO WHOM IT MAY CONCERN: NOTICE IS HEREBY GIVEN, the City Council of the City of Rosemount will hold a public hearing on Tuesday, June 2, 1992 in the Council Chambers of the City Ball, 2875 145th Street West, beginning at 8:00 p.m. or as soon thereafter as possible. The purpose of this hearing is to receive comments on a proposed amendment to the Rosemount Comprehensive Guide Plan Sanitary Sewer Plan element. The City Council will consider changing the Sanitary Sewer Service districts for an area within Section 31 and the west half of Section 32, Township 115, Range 19, in the southwest corner of the City of Rosemount. The City proposes to divert all wastewater flows from three sewer subdistricts in this area from the Rosemount Wastewater Treatment Plant to the Empire Wastewater Treatment Plant. The City also proposes to designate land within these subdistricts as part of the year 2000 Urban Service Area. Persons wishing to speak on this issue are invited to attend this meeting on Tuesday, June 2, 1992 at 8:00 p.m. Dated this 19th day of May, 1992. t Susan M. Walsh, City Clerk City of Rosemount Dakota County, Minnesota 6verylhi.ngs Coming `(�Cp (RosemounlY L� pec wire nan«� n a Farmington Independent AFFIDAVIT OF PUBLICATION Diane Berge, being duly sworn, on oath says that she is an authorized agent and employee of the.publisher of the newspaper, known as The Farmington Independent , and has full knowledge of the facts which are stated below: (A) The newspaper has complied with all of the requirements constituting City of Rosemount qualification as a legal newspaper, as provided by Minnesota Statues Guide 331A.02, 331A.(7 and other applicable laws, as amended. <�£ .Sanitary Sewer plan (B) The printed �/rdTs SLS w s r TO WHOM 1T MAY CONCERN . NUTICE IS HEREBYGIVEN, thui City Council of the City of Rosematmt will hold': which is attached, was cut from the coltunns of said newspaper, and was , public k-in8 on lbesday, J®e 21992 in ( successive the Counsa Chambers of the City Hou, printed and published once each week for ; weeks; it was first published on Thursday, the _day of 2875 145th street west, beginning at 8..00 192 and was thereafter printed and published on p -L or as soot dmmdkr as possible The purpose of this hearing is to receive every Tilursday, to and including Thursday, the _day of comments an a proposed amendment to the 19 —; and printed below is a copy of the Rosemount Comprehensive Guide Plan lower case alphabet from A to Z, both inclusive, which is hereby Sanitary sewer Plan element. The City acknowledged as being the size and kind of type used in the composition Council will consider changing the Sanitary Sewer Service districts for an area within and publication of the notice: Section 31 and the west half of section 32, I Township 115, Range 19, in the southwest .bcaef&*hmapqn+ftvw"z comer of the City of RosemonoL The City proposes to divert all wastewater flows from three sewer subdistrios in this area from the By: Rosemount Wastewater Treatment Plant to Title: Administrator for th Pub 'Sher the Empire Wastewater Treatment plant. The City also proposes to designate land Sub cr' an worn to before me on this within these subdistricts as pan of the year 2000 Urban Service Are, of i Persons wishing to speak on this issue are 19 invited to attend this meeting on Tuesday, June 2,1992 at 8:00 pm. O Pu liC Dated this 1% day of May, 1992. By Is/ Susan M Walsh AFFIDAVIT Jerk M. welsh, City clerk City of Rosemount 521 Dakota County Mmnewta :NOTTARY M. SHERVHEIM PUBLIC -MINNESOTA KOTA COUNTYMy ComExpires Nov. 19, 1992 ribs �Tty of Rosemount PHONE (612) 423.4411 2875 - 145th Street West, Rosemount, Minnesota FAX (612) 4235203 Mailing Address: P.O. Box 510, Rosemount, Minnesota 55068-0510 CITY OF ROSEMOUNT Public Notice Comprehensive Guide Plan Amendment Sanitary Sewer Plan Element TO WHOM IT MAY CONCERN: MAYOR Edward S. McMenomy COUNCILMEMBERS Sheila Klassen James (Red) Staats Harry Willcox Dennis Wippermann ADMINISTRATOR Stephan Jiik NOTICE IS HEREBY GIVEN, the City Council of the City of Rosemount will hold a public hearing on Tuesday, June 2, 1992 in the Council Chambers of the City Hall, 2875 145th Street West, beginning at 8:00 p.m. or as soon thereafter as possible. The purpose of this hearing is to receive comments on a proposed amendment to the Rosemount Comprehensive Guide Plan Sanitary Sewer Plan element. The City Council will consider changing the Sanitary Sewer Service districts for an area within Section 31 and the west half of Section 32, Township 115, Range 19; in the southwest corner of the City of Rosemount. The City proposes to divert all wastewater flows from three sewer subdistricts in this area from the Rosemount Wastewater Treatment Plant to the Empire Wastewater Treatment Plant. The City also proposes to designate land within these subdistricts as part of the year 2000 Urban Service Area. Persons wishing to speak on this issue are invited to attend this meeting on Tuesday, June 2, 1992 at 8:00 p.m. Dated this 19th day of May, 1992. Susan M. Walsh, City Clerk City of Rosemount Dakota County, Minnesota 6verylkings coming (Up RosemounlY t^ '—O'dDane w PHONE (612) 423-4411 FAX (612) 423.5203 Gity of gosemount 2875 - 145th Street West, Rosemount, Minnesota MAYOR Mailing Address: Edward B. McMenomy P.O. Box 510, Rosemount, Minnesota 55068-0510 COUNCILMEMBERS Sheila Klassen James (Red) Staats AFFIDAVIT OF POSTED HEARING NOTICE Harry Willcox Dennis Wippermann Comprehensive Guide Plan Amendment ADMINISTRATOR Stephan Jilk Sanitary Sewer Plan Element STATE OF MINNESOTA ) COUNTY OF DAKOTA ) ss CITY OF ROSEMOUNT ) Susan M. Walsh, being first duly sworn, deposes and says: I am a United States citizen and the duly qualified Clerk of the City of Rosemount, Minnesota. On May 20, 1992, acting on behalf of the said City, I posted at the City Hall, 2875 145th Street West, Rosemount, Minnesota, a copy of the attached notice of a public hearing for consideration of an amendment to the Rosemount Comprehensive Guide Plan regarding the Sanitary Sewer Plan Element. There is delivery service by United States Mail between the place of mailing and the places so addressed. . Subscribed and sworn to before me this i Sus". Walsh City Clerk City of Rosemount Dakota County, Minnesota a day of A 19%t. i6verylkings (90ming `Up RosemounlY 0 rmvcled paner CITYOF ROSEMOUNT EXECUTIVE SUMMARY FOR ACTION CITY COUNCIL MEETING DATE: June 2, 1992 AGENDA ITEM: Major Guide Plan Amendment AGENDA SECTION: No. 22 -Sewer Service Plan Public Hearing PREPARED BY: Lisa Freese, Director AG"DIRM # 6 of Planning ATTAC MMTS: Resolution, Hearing Notice, PC AP BY Memo, MC Application && Suppl. Info., SEH Study The purpose of Comprehensive Guide Plan Amendment No. 22 is twofold: 1) to amend the sewer service district plan element of the City's guide plan to allow the permanent diversion of wastewater flows from 767 acres located in Sections 31 and 32, Township 115, Range 19 from the Rosemount Waste Water Treatment Plan. (WWTP) to Empire WWTP; and 2) to add approximately 245 acres designated as Medium Density Residential to the Metropolitan Urban ServiceArea (MUSA) The Planning Commission reviewed this guide plan amendment proposal and recommended approval of the amendment at their May 26th regular meeting. The attached amendment application and supplemental material provide the background and details of the amendment proposal.` The amendment is being initiated in advance of the overall guide plan update because of serious treatment plant capacity issues at the Rosemount WWTP. The amendment includes adding 245 acres to the MUSA as Medium Density Residential within this proposed sewer service area. If the Council has concerns about a portion of the land use designation, staff would suggest either removing it from the proposed MUSA and changing it with the larger guide plan update. Staff recommends that the City Council approve this amendment contingent upon the Metropolitan Council's review in order to facilitate the ordering of a feasibility study (Item 7e) for a -trunk sewer in Section 31. A four-fifths vote is required for approval of amendments to the Comprehensive Guide Plan. After submittal, the Metropolitan Council has 90; days to review and act upon this major guide plan amendment. r CITY OF ROSEMOUNT DAKOTA COUNTY, MINNESOTA RESOLUTION 1992- A RESOLUTION AMENDING THE COMPREHENSIVE GUIDE PLAN OF THE CITY OF ROSEMOUNT TO CHANGE THE SEWER SERVICE DISTRICT PLAN FOR SECTIONS 31 AND 32 AND TO DESIGNATE 245 ACRES FOR INCLUSION IN THE METROPOLITAN URBAN SERVICE AREA WHEREAS, the City of Rosemount is facing serious capacity constraints at the Rosemount Waste Water Treatment Plant; and WHEREAS, preliminary work on the City's Comprehensive Guide Plan supports diverting a 767 -acre area in Sections 31 and 32, Township 115, Range 19 from the Rosemount Waste Water Treatment Plant to the Empire Waste Water Treatment Plant; and WHEREAS, current development proposals being entertained and the lead time required to construct the necessary conveyance facilities have necessitated a Major Guide Plan Amendment in advance of the completion of the City's overall Comprehensive Guide Plan Update; and WHEREAS, the Planning Commission of the City of Rosemount considered the proposed Sewer Plan Amendment and MUSA boundary addition at a regularly scheduled meeting on the 26th of May, 1992 and recommended approval of the amendment to the City Council; and WHEREAS, the City Council scheduled a Public Hearing, according to law, to consider the plan amendment and the hearing was held on the 2nd of June, 1992. NOW THEREFORE BE IT RESOLVED, the City Council of the City of Rosemount forwards the Comprehensive Guide Plan Amendment No. 22 as an amendment to the 1.980 Rosemount Comprehensive Guide Plan Public Utilities Element and current MUSA boundary; and BE IT FINALLY RESOLVED, the City Council of the City of Rosemount approves Comprehensive Guide Plan Amendment No. 22 as an amendment to the Rosemount Comprehensive Guide Plan contingent on upon the Metropolitan Council action. ADOPTED this 2nd day of June, 1992. ATTEST: Susan M. Walsh, City Clerk Mf?t ion by Voted in favor: Voted against:_,. E.B. McMenomy, Mayor Seconded by: 2 -1y o osemounl PHONE (612) 423-"11 2875 - 145th Street West, Rosemount, Minnesota MAYOR FAX (612) 423-5203 Mailing Address: Edward S. McMenomy P.O. Box 510, Rosemount, Minnesota 55088.0510 GOUNGILMEMBERS Sheila Klassen James (Red) Steels CITY OF ROSEMOUNT Harry 1ppeffx Dennis Wippertnann Public Notice ADMINISTRATOR Stephan Jiik Comprehensive Guide Plan Amendment Sanitary Sewer Plan Element TO WHOM IT MAY CONCERN: NOTICE IS HEREBY GIVEN, the City Council of the City of Rosemount will hold a public hearing on Tuesday, June 2, 1992 in the Council Chambers of the City Hall, 2875 145th Street West, beginning at 8:00 p.m, or as soon thereafter as possible. The purpose of this hearing is to receive comments on a proposed amendment to the Rosemount Comprehensive Guide Plan Sanitary Sewer Plan element. The City Council will consider changing the Sanitary Sewer Service districts for an area within Section 31 and the west half of Section 32, Township 115, Range 19, in the southwest corner of the City of Rosemount. The City proposes to divert all wastewater flows from three sewer subdistricts in this area from the Rosemount Wastewater Treatment Plant to the Empire Wastewater Treatment Plant. The City also proposes to designate land within these subdistricts as part of the year 2000 Urban Service Area. Persons wishing to speak on this issue are invited to attend this meeting on Tuesday, June 2, 1992 at 8:00 p.m. Dated this 19th day of May, 1992. Susan M. Walsh, City Clerk City of Rosemount Dakota County, Minnesota 60veryllttilt gs �omtng (UP Rosemount» i y of t,(j? ©semount PHON1 Ifi i s I i 3 lit I 2875 • 145th Street West, Rosemount, Minnesota MAYOR Fox 4a i. l t^ 3 r;; r! i Maitinq Address: Edward B. McMeunmy P,O. Sox 510, Rosemount, Minnesnta 55068-0510 COUNCIIMEMSERS Shelia Kinssen James (Red) Stnats Harry Willcox TO: Planning Commission Dennis Wippermnnn AtNdtNISTDATOn FROM: Lisa J. Freese, Director of Planning Stephan JIM DATE: May 22, 1992 SUBJ: May 26, 1992 Regular Meeting Reviews ATTACHMENTS: PC Memo Maps Public Hearing Notice 6. PUBLIC HEARING: COMPREHENSIVE GUIDE PLAN AMENDMENT NO,. 21 RECOMMENDED MOTION: A motion to recommend approval for the change in sewer service areas for sections 31 and 32 to the Empire WWTP and the addition of a portion of the land within this area into the Metropolitan Urban service Area in those sections as designated on the map. Due to the complexity of the issues, we do not have the actual guide pian amendment document prepared." The following memo is a summary of the contents of the amendment. At your meeting on Tuesday, I will provide you with a copy of the completed amendment and support materials for the amendment submission. Currently 95 housing units in the West Ridge Additions are in the Empire WWTP service area. This amendment will divert approximately 450 units of .124 mgd will be diverted from the Rosemount Interceptor and WWTP to the Apple Valley Intercepter and Empire Treatment Plant. At ultimate development of this service area approximately 1,600 residential units and 124 acres of industrial land uses would be serviced by the Apple Valley Interceptor and Empire WWTP. The Empire WWTP has just been expanded. Its current design capacity is 9 MGD; the 1991 average flow was 6.3 MGD. When the expansion was planned it was anticipated that approximately 1,000 units would go from Rosemount to the Empire facility. While this proposed figure is slightly higher that planned it makes sense given the capacity constraints at the Rosemount WWTP. With this amendment the City will be requesting to put the undeveloped land in this area that is designated for residential development into the MUSA. This will eliminate the need for a separate comprehensive guide plan amendment for all of the pending development proposals that the City has received (West Ridge, Gergen Property and O'Leary Hills). £'")11 r 119�ltrla��,c(.lit ,ose"iou"W CDC, 11 of Rosemount PHONE (612) 423.4411 2875 -145th Street West, Rosemount, Minnesota FAX (612) 423.5203 MaiNng Address: P.O. Box 510. Rosemount. Minnesota 550880510 TO: Chairperson Meyer Commissioners: Baago, Busho, Gundacker; Hathaway FROM: Lisa Freese, Director of Planning DATE: May 8, 1992 RE: May 12, 1992 Regular Meeting Reviews ATTACHMENTS: SEH Sewer Study Sanitary Sewer Subdistrict Map Lot/Acreage Inventory ITEM 6b. Comprehensive guide Plan Amendment - Sewer Service Plan MAYOR Edward 8. McMenomy COUNCILMEMBERS Sheila Ktassen James (Red) Steel$ Harry Willcox Dennis WiNermann ADMINISTRATOR Stephan Jilk REC0111MXkMED ACTION: Motion to recommend that City Council set a Public Hearing for the Comprehensive Guide Plan Amendment - Sewer Service Plan. With the approval of the West Ridge 5th Addition, the City had planned to make a sewer connection that would have allowed the diversion of wastewater flow in the Wensmann Addition to the Empire Treatment Plant. Currently, Wensmann Addition wastewater flows are pumped via a lift station into the Rosemount Treatment Plant service area. Due to service constraints for gravity flow of sanitary sewers in Section 31, the City negotiated with Apple Valley the ability to use some of their sewer capacity at the Empire Treatment Plant. This was prior to the just recently completed expansion of the Empire plant. Now, since the expansion is complete, the Metropolitan Waste Control Commission is willing to entertain servicing a larger area through that treatment plant. Last year the City contracted with SEH engineers to update the City's sewer service pian. As a result of that study, it was determined that it made more sense to serve the area south of County Road 42, on the west side of State Trunk Highway 3, by the Empire Treatment Plant. The Metropolitan Waste Control Commission (MWCC) and the Metropolitan *Council staff have indicated support of the City's desire to divert the flows from this area to the Empire Treatment Plant. It is necessary to do a Comprehensive Guide Plan Amendment for the Westridge/Wensmann connection, so it is Metropolitan Council staff's suggestion that the City handle the entire area's service redesignation under the same amendment. The City also has received a request for a land use change and Metropolitan Urban Service Area (MUSA) inclusion for the property located just to the south of Jaycee Park on the west side of Shannon Parkway. (_ 17". 111t.11q's e0r►it11;g (Up gosemounllf Regular Planning Commission Meeting Reviews May 12, 1992 Page Two At your meeting on Tuesday night, Planning staff will introduce the Planning Commission to the issues. No recommendation on the amendment is requested at this time, but the Planning Commission should request'that the City Council set a public hearing on the amendment for June 3, 1992 at their next meeting. The Planning Commission will be able to review the amendment in further detail at your next regular meeting on May 26, 1992. INFORMATION SI1iINUSSION FOR MAJOR COMPREHENSiVE PIAN AMENDMENTS This summary worksheet must be filled out and submitted to the Metropolitan Council with a copy of each proposed major comprehensive plan amendment. A major comprehensive plan amendment is defined as: 1. A complete revision, update or rewrite of an existing comprehensive plan in its entirety. 2. A major plan revision, update, rewrite or addition to a chapter or element of an existing comprehensive plan. 3. An amendment triggered by a proposed development that requires an Environmental Assessment Worksheet (EAW) or Environmental Impact Statement (EIS), as defined in Minnesota Rules 1989, Parts 4410,4300-.4400, and is inconsistent with the existing comprehensive plan; or 4. A change (land trade or addition) in the urban service area involving 40 acres or more. Please he as specific as possible; attach additional explanatory materials if necessary. If a staff report was prepared for the Planning Commission or City Council, please attach it as well. Send plan amendments to: John Rutford, Referrals Coordinator Metropolitan Council, Mears Park Centre 230 E. Fifth St., St. Paul, MN 55101-1634 L GENERAL INFORMATION A. Sponsoring governmental unit CITY OF ROSEDIOUliT Name of local contact person LISA J. FREESE, DIRECTOR OF PLANNING Address _ 2875 145Th ST WEST ROSEMOUNT DIN 55068-0510 Telephone (612) 322-2050 Name of Preparcr (if different from contact person) Date of Preparation MAY 21, 1992 B. Name of Amendment COMPREIIENSIY Description/Summary This amendment changes the gani,t;,ary Sewer Service District from the Rosemount WWTP for land in Sections 31 and 32 Twp 115, Range 19 in the southwest corner of the City, is am- dment also designates an additional 245 acres within this area as DtU5A C. Please attach the following: 1. Five copies of the proposed amendment. 2. A city-wide map showing the location of the proposed change. 3. The current plan map(s) indicating the area(s) affected, if the amendment triggers a map change. Vi 4. The proposed plan map(s) indicating area(s) affected, if the amendment triggers a map change. D. What is the official local status of the plan amendment? (Check one or more as appropriate.) X Acted upon by planning commission (if applicable) on May 26, 1992 X Approved by governing body, contingent upon Metropolitan Council review, June 2, 1992 Considered, but not approved, by governing body on Other E. Indicate what adjacent local governmental units affected by the change have been sent copies of the plan amendment and the date(s) copies were sent to them. Notification of affected adjacent governmental units is required for major plan amendments. Cities of Apple Valley and Lakeville; Empire Township; and .-r- �-r WRIT.• ► •. Because of the comprehensive nature of most major plan amendments, a summary checklist is attached to help ensure that the amendment is complete for Council review and to,determine whether the proposed amendment is consistent with the metropolitan systems plans or other chapters of the Metropolitan Development Guide. Please indicate whether the amendment affects the following Factors. Where it does, the materials submitted must fully address the issue(s). 11. IMPACT ON REGIONAL SYSTEMS A. Wastewater Treatment 1. Change in city's year 2000/2010 now projections. No/Not Applicable. X Yes. What will be the net change? How were these calculated? ) 2. Community discharges to more than one metropolitan interceptor. No/Not Applicable. X Yes. Indicate which interceptor will be affected by the amendment and what will be the net changes in flows? (See attached information summary (A. Waste Water Treatment) 13. Transportation I. Relationship to Council policies regarding metropolitan highways. X No/Not Applicable, Yes. 2. Change in type and intensity of land uses at interchanges and other locations within a quarter -mile of the metropolitan highway system? X No/Not Applicable. Yes. 3,. Impact on existing trap generation. No/Not Applicable. X Yes. (See information summary: B. Transportation) 4. Capacity of road network to accommodate planned land use(s) (including metropolitan interchanges). X No/Not Applicable. Yes. S. Impact on transit and parking strategies. x No/Not Applicable. Yes. 6. Does the proposed amendment contain any changes to the functional classification of roadways? (These changes require Transportation Advisory Board (TAB) review.) x No. Yes. Describe which roadways. C. Aviation 1. Impact on regional airspace. X No/Not Applicable. Yes. 2. Impact on airport search area. X No/Not Applicable. Yes. viii 3. Consistency with guidelines for land use compatibility with aircraft noise. _X_. No/Not Applicable. Yes. 4. Consistency with the long-term comprehensive plan for an airport in the vicinity of the community or proposed developinent. x No/Not Applicable. Yes. D. Recreation Open Space 1. Impact on existing or future federal, state or regional recreational facilities. X No/Not Applicable. Yes. Ill. IMPACT ON METROPOLITAN DEVELOPMENT ANI) INVESTMENT FRAMEWORK A. Land Use Describe the following, as appropriate: a. Size of affected area in acres 767 Acres b. Existing land uSe(S)Single Fam (350 ac);Park/Open Space(20 ac);Gen Indus - Unsewered c. Proposed land uses) Med. Density Residential (84%); industrial/Business (16%) (75 ac) d. Number of residential dwelling units and types involved 1800 units (90% Single Fam; 10% multi-family/townhouse) e. Proposed density Gross density of 3 units per acre. f. Proposed square footage of commercial, industrial or public buildings I3. Change in the city's population, household or employment forecasts for 2000, or any additional local staging contained in the original plan. X No/Not Applicable. Yes. (See information summary: A. Waste Water) C. Change in the urban service area boundary of the community. No/Not Applicable. X Yes. D. Change in the timing and staging of development within the urban service area. No/Not Applicable. X Yes. IV. IMPACT ON HOUSING A. Impact on the supply and affordability of housing types necessary to serve persons at different stages in the life cycle. X No/Not Applicable. Yes. B. Impact on the supply and affordability of housing types necessary to serve persons at varying income levels. No/Not Applicable. X Yes. Approximately 25 acres of the land to be included in the MUSA is zoned for high density residential. C. Impact on the community's numerical objectives for low- and moderate -income, modest -cost market rate, and middle- and upper-income housing units. X No/Not Applicable. Yes. V. WATER RESOURCES A. Does the plan amendment affect a Minnesota Department of Natural Resources or U.S. Army Corps of Engineers protected wetland? If yes, describe type of wetland affected and show location on a map. X Yes. Wachter Pond No. B. Will the wetland be protected? X Yes. Describe how. See information summary: C. Water Resources No. Explain why not. C. Will the plan amendment result in runoff which affects the quality of any surface water body? If yes, identify which ones. X Yes. --See infor arY: C Water Resources No. D. Will the water body be protected? X Yes. Describe how. See information summary • C Water Resources No. Explain why not. ' . NIL INIPLEMEINTATION PROGRAM kjp00371 04.18.90 A.. Change in zoning, subdivision, on-site sewer ordinances or other official controls. No/Not Applicable. X Yes. As the property included within the proposed MUSA expansion is approved for development, the City of Rosemount Official Zoning Map will have to be amended. xi City of Rosemount 2875 145th Street West Rosemount, MN 55068-0510 (612) 423-4411 Comprehensive Guide Flan Amendment No. 22 Information Supplement The purpose of Comprehensive Guide Plan Amendment No. 21 is twofold: 1) to amend the sewer service district plan element of the City's guide plan to allow the permanent diversion of wastewater flows from 767 acres located in Sections 31 and 32, Township 115, Range 19 from the Rosemount Waste Water Treatment Plant (WWTP) to the Empire WWTP; and 2) to add approximately 245 acres designated as Medium Density Residential to the Metropolitan Urban Service Area (MUSA). See Exhibit 1. The City of Rosemount is currently completing a major update to its Comprehensive Guide Plan. It is anticipated that the update will be completed by the end of the summer. Because of critical sewer capacity constraints at the Rosemount WWTP and two pending devel6pment proposals, the City has decided to initiate this amendment prior to completion of the guide plan update. A. Waste Water Treatment Rosemount WWTP Capacity The Rosemount WWTP has a design capacity of .71 MGD. The 1991 average flow was .605 MGD. Given Rosemount's historical residential growth rate, the Rosemount WWTP could reach design capacity in only one and one-half years. This growth rate is well ahead of the Metropolitan Council's projected growth rate which the Metropolitan Waste Control Commission (MWCC) was required to use as the basis for the Rosemount WWTP's design. The plant was constructed in 1988. The MWCC has completed a System Improvement Study for the Rosemount WWTP and the findings of that study affirm the City's assessment of the plant's capacity. The MWCC is proceeding to initiate a Planning Report to look into expansion of the Rosemount WWTP. If improvements are deemed appropriate by that study, the MWCC will proceed with design and construction of the expansion. The expansion, however, will not be completed until 1996 or 1997. The adequacy of the Rosemount WWTP has been an issue since it was designed back in the mid 1980s. When the City adopted its current guide plan in 1980, the projected sewer treatment requirements for the year 1990 was .72 MGD. The Metropolitan Council projected that this level of capacity would not be needed until 2005. This discrepancy was noted by the City at that time and has been the subject of discussion in several subsequent Guide Plan Amendments initiated by the City. Existing MUSA The existing Urban Service Area is depicted on Exhibit 2. Since 1986, the City of Rosemount has utilized a land banking system to make available for development serviceable acreage within the MUSA. In 1986 the City of Rosemount amended its Guide Plan to cause 880 acres to be withdrawn from the MUSA and placed it in a Land Bank of Undesignated MUSA acreage. In 1989, the Metropolitan Council limited the Land Bank MUSA to be consistent with the treatment capacity of the Rosemount WWTP. The, design capacity of the plant is well under the need projected in the City's 1990 land use plan and MUSA boundary that was approved by the Metropolitan Council in 1981. Because of the land banking system, very little undeveloped land exists within the MUSA boundary, especially land designated for residential use. The chart below summarizes the existing undeveloped MUSA average and its status. Area Estimated Development Acreage Status Preliminary Plat Approved; A Final Plat Pending for 77 Lots; Country Bilis 28 Only 30 will Remain Unplatted. Preliminary Plat Approved; B Final Plat Pending for 30 Additional Lots; Shannon IIills 30 70 Lots will Remain Unplatted. C Potential Fire Station Location; Multi -Family Area 30 No Pending Developments. D Broback Industrial Park 10 No Developments Pending. E Northwest Corner at. Ilwy. 3 & CR42 7 No Developments Pending. F In MUSA as Industrial - Only 6 SACS; CNW Property 226 Residential Development. Proposal Pending. G 1.4 (Res) Two Commercial Development Proposals Swath Rose Park 8 (Comm) Pending. Since November, the City has approved final plats for four separate development projects totaling 134 lots. According to the developers, a large percentage of these recently approved lots have been pre -sold. Recently, two additional final plat submittals have been received for single family developments within the existing MUSA totaling approximately 107 lots. The City has also approved the permitting of Cimarron Village Townhomes (32 units) and USPCI's Minnesota Industrial Containment Facility (113 SAC units). 2 As of January 1, 1992, the City estimated that approximately 382 SAC units of capacity remained at the Rosemount WWTP. When all of the developments either approved or currently pending are built out, the Rosemount WWTP will be at design capacity. The remaining land within the MUSA could not be served unless the plant is expanded or measures are taken to reduce flows to divert flows from the Rosemount WWTP. This amendment proposes to divert flows from the Rosemount WWTP to the Empire WWTP. Empire WWTP Service Area Currently, a small portion of the southwest corner of Section 31 is served by the Empire WWTP. Originally, the City's arrangement to service this area was limited to 110 acres or 300 units under a cooperative agreement with the City of Apple Valley, resulting from Comprehensive Guide Plan Amendment No. 5. The recent completion of the Empire WWTP expansion provides an opportunity for Rosemount to expand its service area. According to Don Bloom of the MWCC, approximately 1,000 units of capacity was designed into the expansion of the Empire WWTP for the City of Rosemount. Originally, it was anticipated that all waste water flows from Section 31 would be diverted to Empire. An EAW regarding this proposed trunk sewer system was completed by the City in 1986 and the Minnesota Pollution Control Agency (MN PCA) concluded that the project did not have the potential for significant environment effects. As part of the City's Guide Pian update, the City contracted with SEH consulting engineers in 1991 to review the sewer service element of the Plan. This study recommended that the Empire WWTP service area within the City be enlarged to encompass a portion of Section 32 to the east. This additional area falls within the natural watershed of the Empire WWTP and it would be logical to serve this area via the Empire WWTP. The Empire WWTP's upgraded design capacity is 9 MGD. The 1991 year end flow was 6.3 MGD. The available capacity is approximately 2.7 MGD. Projected Flow Changes The diversion proposed by this amendment will occur in two phases. The first phase (Subdistrict 106) will occur with the installation of utilities in the West Ridge Fourth Addition. Development of this subdivision is currently underway and approval of this amendment will allow the City to remove an existing lift station serving 208 units to the immediate north. The second phase of the diversion will require the installation of a trunk sewer line to serve subdistricts 102 and 104 (See Exhibit 5). These districts will flow by gravity to a collection point at the intersection of Shannon Parkway and 168th Street West. A lift station will be installed to pump flows from these subdistricts over to subdistrict 106 where the combined flows from all three subdistricts will be transported via a 15 -inch trunk sewer line to the Apple Valley/MWCC Interceptor. 3 The timing for this phase is dependent upon the construction of the trunk line and lift station. The City is proceeding to order a feasibility study for the facility. It is anticipated that constriction of this facility will occur in late 1992 or early 1993. The trunk line will also serve an area that is currently undeveloped. That land is under option by a development group and the City hopes that the installation of the trunk facility can be coordinated with their development design. Once the trunk sewer and lift station are installed, the waste water flows from another 368 existing housing units can be diverted from the Rosemount WWTP. Based upon Rosemount's current rate of growth, the life of the Rosemount Treatment Plant: could be extended by approximately iwo more years (until 1995) by this diversion to Empire. At ultimate development., the City projects that there will be approximately 1,800 residential units and 125 acres of business park/industrial developed served by the Empire WWTP (See Exhibit 4). The combined waste water flow at ultimate development for the three subdistricts within this service area is projected at approximately .681 MGD. By the year 2000, ,the City projects that 95 percent of the planned residential land uses and 35 percent of the planned industrial/business park uses will be absorbed by development. Based upon these assumptions, the year 2000 projected waste water flow to the Empire WWTP is .534 MGD. Of course, the actual density of the residential uses and types of non-residential uses developed may vary the actual waste water flows. MUSA Ex ansion The City is requesting to add 245 acres to the MUSA. The area that the City is requesting MUSA designation within the proposed Empire WWTP service area for the area west of State Trunk Highway 3. The year 2000 land use map in the 1980 Comprehensive Guide Plan designates this area as "Medium Density Residential." The proposed 1990 concept map being discussed by the City advocates the continuation of this land use, but changes the classification to "Urban Residential." The land on the east side of State Trunk Highway 3 is not being brought into the MUSA at this time because the City's Stormwater Management Plan and Water Facilities Plan do not address this area. The City plans to address these issues and will probably be designating a part or ail of this area within the MUSA in the overall Guide Plan update later this year. 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SANITARY SEWER SUB -DISTRICT PLANNING DEPT INFORMATION and SECTIONS 31 AND SECTION 32 ENGINEERING DEPT NO. OF UNITS OR SUB -DISTRICT ADDITION OR PROPERTY OWNER DESIGNATION ACRES 102 GERGEN, SECTION 31 UNPLATTED 17.9 ACRES 102 GERGEN, SECTION 32 UNPLATTED 35.1 ACRES 102 GERONIME, SECTION 31 UNPLATTED 38.9 ACRES 102 SECTION 32,010-50 UNPLATTED 26.1 ACRES 102 SECTION 31,020-70 UNPLATTED 9.4 ACRES 104 O'LEARY'S HILLS ADDITIONS PLATTED 109 UNITS 104 OLEARY'S HILLS ADDITIONS UNPLATTED 101 UNITS 104 VALLEY OAK ADD. REPLAT PLATTED 259 UNITS 104 WENSMANN ADDITION PLATTED 89 UNITS 106 GERGEN UNPLATTED 107 UNITS 106 WENSMANN ADDITIONS PLATTED 83 UNITS 106 WESTRIDGE ADDITIONS PLATTED 95 UNITS 106 WESTRIDGE ADDITIONS UNPLATTED 79 UNITS (WESTRIDGE 4th IS INCLUDED IN UNPLATTED, AREA) q - AG REVISED 64 /-PUB - ZONING MAP LEGEND R -i SINGLE FAMILY RESIOENTIAL' R-2 SINGLE FAMILY ATTACHED R-3 MULTIPLE FAMILY RE'"11DENTIAL R-4 MULTIPLE FAMILY RE',IDENTIAL RR RURAL RESIDENTIAL RL RESIDENTIAL LOW DENSI',-Y C-1 CONVENIENCE COMMERC!AL C-2 COMMUNITY COMMERCIAL - C-3 HIGHWAY SERVICE COMMERCIAL C-4 GENERAL COMMERCIAL PUB PUBLIC OR QUASI -PUBLIC IG GENERAL INDUSTRIAL IP INDUSTRIAL PARK AG AGRICULTURE AGP AGRICULTURE PRESERVE FW FLOOD WAY WM WASTE MANAGEMENT NQ U FF i June 7, 1991 RE: ROSEMOUNT, MINNESOTA COMPREHENSIVE SEWER PLAN UPDATE SEH FILE NO: 91197 Mr. Ron Wasmund, Director of Public Works City of Rosemount 2875 145th Street West Rosemount, MN 55068 Dear Ron: In accordance with City Council authorization on March 19, 1991, we are pleased to provide you with this Update to the Compre- hensive Sanitary Sewer Plan. This Update discusses the three specific items which were listed in our February 7, 1991 proposal. These three items are as follows: I. Include the east half of Section 32 in the urban service area. II. Review the validity of the current C.S.P. for subdistricts 14 through 21. III. Review how the proposed armory should be served by sanitary sewer. This letter report is divided into three sections. Sections 'I,' II and III of the text correspond to the three items listed above. In addition, three exhibits are attached. Exhibit "A" is a table which shows updated design flows for those subdistricts associated with Items I through III. Exhibit "B" is a drawing which shows updated boundaries and collection points for subdistricts. Exhibit "C" is from the current Guide Plan and is included for subdistrict reference purposes. Exhibit "C" was included because it shows the most detailed information currently available for subdistricts 14 through 21. The information contained in Exhibit "C" is taken from a draft of the 1981 Guide Plan. This information was eventually condensed and shown with a different numbering system in the final draft of the Guide Plan. Where possible, this Update will make reference to the subdistrict numbering system shown in Exhibit "C" because Mr. Ron Wasmund June 7, 1991 Page 2 _ of the greater level of detail. However, subdistricts in Sections 31 and 32 were renumbered for the purpose of this update because of the extensive development and significant changes. Sections 31 and 32 were renumbered beginning with subdistrict 101 which is located in the east half of Section 32. SECTION I INCLUDE THE EAST HALF OF SECTION 32 IN THE URBAN SERVICE AREA The C.S.F. currently shows the urban service area boundary along the north -south quarter line of Section 32. Since the 1981 Comprehensive Guide Plan was prepared, nonresidential development has occurred along 160th Street east of this boundary. We will address how this area should be served by sanitary sewer and also review the remainder of Section 32 an"d Section 31 for changes which have occurred. Section 32 As shown in Exhibits "A" and "B", subdistrict 101 consists of 332 acres of land located in the east half of Section 32. Several interconnected depressions form a system of collection points running from south to north, with an overall natural collection point just south of CSAR 42. The land uses expected for this area are light manufacturing and outdoor storage. Sanitary sewer flows from light manufacturing and outdoor storage range from 1,300 gal/acre/day up to 2,000 gal/acre/day. A commonly used design figure is 1,500 gal/acre/ day. Using 1500 gal/acre/day for subdistrict 101 results in a peak design flow of 1.694 MGD at ultimate development. Subdistrict 101 can be served by gravity with a connection to the 27" interceptor at CSAH 42. This connection can be made at the existing 21" stub under CSAR 42 which is located about a quarter of a mile east of S.T.H.. 3. Section 31 In addition to the scope of this Update as outlined in our February 7, 1991 proposal, we have also reviewed Section 31 at the subsequent request of City staff. The remainder of Section I of this Update deals with sanitary sewer issues in Section 31. Subdistrict 102 drains to a collection point at the intersection of Shannon Parkway and 160th Street. This collection point is the future site of a lift station which will pump flows from subdistricts 102 and 104 up to Danville Mr. Ron Wasmund , June 7, 1991 Page 3 Avenue in subdistrict 106. From Danville Avenue, the existing gravity main will carry flows from subdistricts 102, 104, and 106 to the MWCC Apple Valley Interceptor. Subdistricts 101, 103, and 105 will be served via the 27 inch interceptor along CSAH 42 which flaws east to the Rosemount Treatment Facility. Two sanitary sewer crossings' beneath. S.T.H. 3 will be necessary to serve the easterly portion of subdistrict 102. One crossing should be located south of the Soo Line Railroad bridge, and the other crossing should be located north of 160th Street. Mn/DOT may allow the City to install these crossings prior to, or in conjunction with, the bridge reconstruction project. If not, the crossings could be jacked beneath S.T.H. 3 when development occurs. Crossings on Chippendale Avenue have already been installed. Currently, Wensman 3rd, 4th and 5th Additions are served by a temporary lift station located in subdistrict 106 which pumps to subdistrict 104. This lift station will be relieved by a gravity main to be constructed in a future phase of the West Ridge Development. In the interim, these flows from subdistrict 106 will contribute to Lift. Station No. 3 in the Valley Oak Addition. Lift Station No. 3 Initially, Lift Station No. 3 was designed only for the Valley Oak Development. However, the design included a capacity factor of safety which has essentially been used up. by additional development in Section 31. We have estimated that Lift Station No. 3 is currently at 32 percent of capacity during average flow periods, and at 124 percent of capacity during peak flow periods. These percentages are based on a count of platted lots and assumptions on the flow rate per lot and the peaking factor. Not all of the platted lots are occupied at this time. When all platted lots which contribute to this lift station become occupied, the station will be over capacity during peak flow periods. This will result in both lift station pumps running during periods of peak flow. Lift Station No. 3 will be relieved when the lift station at Shannon Parkway and 160th Street is constructed. The timing for this will depend oR the following items: 1. The rate at which vacant lots become occupied. 2. The timing of the next phase of the West Ridge development, and the associated relief of the Wensman lift station. Mr. Ron Wasmurid June 7, 1991 Page 4 3. Additional development in subdistrict 104. 4. Any development in subdistrict 102. To minimize capacity problems, the total number of platted lots served by Lift Station No. 3 should not be increased from what it is today. - SECTION II REVIEW THE VALIDITY OF THE CURRENT C.S.P. FOR SUBDISTRICTS 14 THROUGH 21 - In this section, we will briefly discuss each of the subdistricts 14 through 21. Our discussion will center around changes in subdistrict boundaries and land uses due to development. The new boundaries for the subdistricts are shown in Exhibit "B" and the revised design flows are shown in Exhibit "A". Subdistricts 14 and 15 Construction of the Orin Thompson development has resulted in changes to subdistricts 12, 13, and 14. The northerly boundary of subdistrict 12 has shifted to the north to include Country Hills lst and 2nd Additions, and part of the 3rd Addition. The remaining portion of Country Hills 3rd Addition is included in subdistrict 13. The construction of sanitary sewer in Shannon Parkway north of Shannon Park School has resulted in a substantial change to the common boundary between subdistricts 14 and 15. Within the revised urban service area (north line of Section 19) this common boundary has been eliminated. All of subdistrict 15 which is south of the revised urban service area can be served via the new sanitary sewer in Shannon Parkway. Therefore, subdistrict 15 can be combined with subdistrict 14. The lift station planned for subdistrict 15 will not be required until future service area "A"develops. Flow calculations shown in Exhibit "C" assumed residential land uses for subdistricts 12 through 15. The assumption of 10 people/acre and 100 gal/person/day is still valid for these subdistricts. Subdistricts 16 and 17 The urban service area line has been shifted to the south boundary of Rosemount Hills 3rd Addition. This has signifi- cantly decreased the size of subdistrict 16. The boundaries of subdistrict 17 have not changed. Mr. Ron Wasmund June 7, 1991 Page 5 Very little development has occurred in either subdistrict. However, the new armory will be constructed in the southeasterly corner of subdistrict 17. Based on preliminary information, the peak flow from the armory will be substantially higher than from a residential development of the same size. This is shown in Exhibit "A". The original assumption of residential flow rates for the remainder of subdistricts 16 and 17 is still valid. Section III of this Update will discuss the armory site in more detail. Subdistricts 18 and 19 One boundary change has occurred in subdistrict 19 since the 1981 Guide Plan. Construction of the Rosemount Woods Mobile Home Development has caused .the northeasterly boundary .of subdistrict 19 to shift to the west. This has reduced the size of subdistrict 19. The design flow rates used in the 1981 Guide Plan assumed residential development for subdistricts 18 and 19. Currently, subdistrict 18 is partially residential and partially vacant. Subdistrict 19 is a mixture of commercial, public, parks, and open space. The small area of commercial development which has occurred in subdistrict 19 is shown in Exhibit "A". The original assumption of residential flow rates for the remainder of these two subdistricts is still valid. Subdistricts 20 and 21 Construction of the Rosemount Woods Mobile Home Development has caused the common boundary between subdistricts 19 and 20 to shift to the west. This has increased the size of subdistrict 20. No development has occurred in subdistrict 21, and therefore the boundaries have not changed. City staff have indicated that it is appropriate to assume there will be no nonresidential uses in subdistrict 20. Subdistrict 21 will also become a residential area. Accordingly, these subdistricts have been shown as residential in Exhibit "A". SECTION III REVIEW HOW THE PROPOSED ARMORY SHOULD BE SERVED BY SANITARY SEWER The proposed armory is to be located on 13 acres of land west of S.T.H. 3, north of Rosemount High School, in subdistrict 17. Exhibit "C" indicates that subdistrict 17 is to be served via the r Mr. Ron Wasmund_ June 7, 1991 Page 6 future "Brockway Interceptor". However, there are several alternatives for temporary service which can be considered at this time. This Update will provide an overview of the alter- natives for both immediate and ultimate service to the armory. This Update does not take the place of a detailed feasibility study. We recommend that a detailed feasibility study, including dost estimates and financing, be prepared prior to a decision by the City on the method of serVice. It is clear that the Brockway Interceptor will eventually be necessary as development occurs in subdistricts 16 through 21. It is also clear that if the Brockway Interceptor were in place today, the new armory would best be served via the Brockway Interceptor, However, the City's immediate concern is to provide some form of sanitary sewer service for the armory in 1992, whether it be temporary or permanent. The following is a discussion of five options which can be considered to provide this service. 1. Connect by gravity to the pumping station located at the Rosemount High School. Option No. 1 would involve installing a gravity main from the armory to the high school's pumping station, and upgrading the pumping station to accommodate the increased flow. The school's pumping station consists of two pumps and a metal wet well which is buried beneath the lower level of the school. Upgrading the station would involve installation of a larger tank and larger pumps. This option would increase the size of subdistrict 2 to include the armory., The downstream piping would need to be analyzed further to determine if sufficient capacity currently exists in subdistrict 2. Approval by the School District would be required as well as an agreement between the City and the School District regarding the use of the School's private station. Ease- ments would also be required from the School District. This option could be considered as a .temporary service for the armory. The connection to the school could be abandoned when the Brockway Interceptor is constructed. A new gravity main could then be installed between the armory and the interceptor. 2. Connect -by gravity to Lift Station No. 2 This option would involve installing a gravity connection through the Rosemount Woods Mobile Home Park to Lift Station No. 2. The gravity main could serve as a permanent service for the armory when the lift station is relieved by the Mr. Ron Wasmund June 7, 1991 Page 7 Brockway Interceptor in the future. As long as flows from Brockway Glass and the mobile home park remain as they are today, the peak flows from the armory should not exceed the pumping capacity of Lift Station No. 2. Minor modifications may need to be made to the pump settings. Easements would be required from commercial property located east of S.T.H. 3 and from the mobile home park. Restoration of bituminous streets and/or' relocation of some existing utilities would be required in the mobile home park. 3. Construct a lift station and forcemain to an existing gravity main in the Rosemount Woods Mobile Home Park Option No. 3 would involve the construction of a small lift station and forcemain at the armory which would discharge into an existing main in the mobile home park. This would be a temporary lift station and forcemain which could be abandoned when the interceptor is constructed. A new gravity main could then be installed between the armory and the interceptor. . Easements would be required from commercial property located east of S.T.H. 3 and from the mobile home park. The City would need to enter into an agreement with the mobile home park regarding the use of their private sanitary lateral. 4. Construct the Brockway Interceptor between S.T.H. 3 and Lift Station No. 2 This option would involve constructing a segment of the interceptor and reconstructing Lift Station No. 2. The lift station would need to be deepened by about 17. The existing Pumps could be modified and reused in the lift station. A gravity service would be installed from the armory to the west end of the interceptor. This option would allow a portion of the interceptor to be constructed in conjunction with development, and may allow limited sanitary service to other property in subdistrict 17. The lift station could be relieved when the interceptor is extended easterly in the future. Easements would be required from Brockway Glass and from the mobile home park. Restoration of Connemara Trail, a strip along the golf course, and a bituminous street in the mobile home park would also be required. Mr: Ron Wasmund June 7, 1991 Page 8 5. Construct the Brockway Interceptor from the armory to the interceptor's terminus in subdistrict 21. Option 5 is obviously the most permanent solution to serving the armory. However, timing and financing are important considerations when undertaking a utility extension of this magnitude. Considering that there are other viable options to serving the armory at this time, it may be more appropriate to wait until development in subdistrict 21 dictates the construction of the interceptor. We believe that this covers the three items listed in our February 7, 1991 proposal for the Comprehensive Sewer Plan Update. Obviously, there are other related items which were not discussed due to limited scope and the limited funds available for preparation- of - this Update. We hope this Update will prove useful to you. If you have any questions or comments, please call. Sincerely, David F. Simons, P.E. DFS/cih Enclosures cc: Dean Johnson, Resource Strategies Corporation Steve Jilk, City Administrator Dan Boxrud, SEH . EXHIBIT "A" SANITARY SEWER FLOWS AVG. CUM. PEAK AREA FLOW AVG. y DESIGN ' RESIDENTIAL COMMERCIAL POPULATION ADDED FLOW PEAKING FLOW SUBDISTRICT (ACRE) (ACRE) ADDED (MGD) (MGD) FACTOR (MGD) 101 - 332 - 0.498 0.498 3.4 1.694 102 110 151 1100 0.337 0.626 3.4 2.128 103 - 59 - 0.089 0.089 4.0 0.354 104 289 - 2890 0.289 0.289 3.7 1.069 + 105 26 - 260 0.026 0.026 4.0 0.104 106 217 - 2170 0.217 0.843 3.2 2.698 12 291 - 2910 0.291 0.291 3.7 1.077 13 284 - 2840 0.284 0.568 3.4 1.931 14 208 - 2080 0.208 0.208 3.8 0.790 16 117 - 1170 0.117 1.510 2.9 4.379 17 115 13 1150 0.162 0.162 3.9 0.632 18 53 - 530 0.053 1.563 2.9 4.533 19 53 5 530 0.061 0.061 4.0 0.244 20 267 - 2670 0.267 2.498 2.7 6.745 21 576 - 5760 0.576 6.853 2.2 15.077 J s 6 ~ 01to o w a a "° M a wa CD BZ Bz w w >w" z z iA Q w w 4 m 100 U