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Home My WebLink About6.f. Receive Feasibility Report - Conley Avenue Street & Utility Imrpovements, City Project #303 CITY OF ROSEMOUNT EXECUTIVE SUMMARY FOR ACTION CITY COUNCIL MEETING DATE: March 16, 1999 AGENDA ITEM: Receive Feasibility Report - Conley Avenue AGENDA SECTION: Street & Utility Improvements, City Project #303 Consent PREPARED BY: Bud Osmundson AGENDA�ry�e � ` ' � City Engineer/Public Works Director �� C�� 0 ATTACHMENTS: Executive Summary from Feasibility APPROVED BY: Report, Maps, Resolution The City received a petition and ordered a Feasibility Report for the public improvements that are necessary to serve the Koch Refining property between CSAH 42 and 140th Street, east and adjacent to U.S. Hwy 52 at the January 5, 1999 meeting. The Feasibility Report for the project named after the proposed street is attached. Approximately 57 acres will be improved with this proposed project. The estimated project cost is S 1 ,145,000 and includes street, watermain, sanitary sewer and storm sewer improvements. This project will provide City services to the proposed Wayne Transport site, to additional Fleet Development/Anderson Trucking areas and other properties adjacent to Solberg Aggregate. The Sanitary Sewer, Watermain and Storm Sewer Core Funds will be utilized for oversizing in this area. The project may cost up to $2,426,000 if the grading is done with the project. Staff is working with the Koch, Wayne Transport, Fleet Development and Solberg Aggregate representatives on this project. If all approvals and signatures on Petition and Waiver Agreements can be secured, the public hearing will be canceled prior to the April 6th date. Staff recommends the Council take the action as described below. RECOMMENDED ACTION: MOTION TO ADOPT A RESOLUTION RECEIVING THE FEASIBILITY REPORT AND CALLING FOR A PUBLIC HEARING ON THE CONLEY AVENUE STREET AND UTILITY IMPROVEMENTS, CITY PROJECT #303. , COUNCIL ACTION: 3 CITY OF ROSEMOUNT DAKOTA COUNTY, MINNESOTA RESOLUTION 1999 - A RESOLUTION RECEIVING THE FEASIBILITY REPORT AND CALLING FOR A PUBLIC HEARING ON THE CONLEY AVENUE STREET AND UTILITY IMPROVEMENTS CITY PROJECT #303 WHEREAS, pursuant to resolution of the Council adopted January 5, 1999 a report has been prepared by WSB and Associates, Consulting Engineers, with reference to the improvement of Conley Avenue Street and Utility Improvements, City Project #303 and this report was received by the Council on March 16, 1999, and WHEREAS, the report provides information regarding whether the proposed project is necessary, cost-effective, and feasible. NOW THEREFORE BE IT RESOLVED, by the City Council of the City of Rosemount: 1 . The Council will consider the improvement of such street and utility improvements in accordance with the report and the assessment of abutting property for all or a portion of the cost of the improvement pursuant to Minnesota Statutes, Chapter 429 at an estimated total cost of the improvement of 52,426,000. 2. A public hearing shall be held on such proposed improvement on the 6th day of April, 1999, in the Council Chambers of the City Hall at 8:00 p.m. and the clerk shall give mailed and published notice of such hearing and improvement as required by law. ADOPTED this 16th day of March, 1999. Cathy Busho, Mayor ATTEST: Susan M. Walsh, City Clerk Motion by: Seconded by: Voted in favor: Voted against: MH�-11-1�99 1��5b W�B � ASSOCI�TES INC. 61254117�b P.�2i�. 1. EXECUTIV� SUMMARY City Project Na. 303 includes site grading and the canstruction of street and utility improv�ments for Con�ey Avenue (a R.osemount Municipal State Aid (MSA) street) within a proposed 57-acre industrial development. The development is located east of Trunk Highway (TH) 52, north of Dakota County State Aid Highwa,y (CSAH) 42, south of 140�' Street East, and east of Rich Valley Golf Course. A map sh�wing the praject lacation is shown on Figure l. The proposed improvements include the construction of Canley Avenue, a 44-foot wide urban collector street consisting uf bituminous pavement�nd B-618 concrete curb and gutter. Y.l'tility improvements include the construction of lateral waterm�.in,sanitary az�d storm sewer systems. Tn additian to the proposed lateral improvements will be trunk stoz7m sewer and watermain systems. The pr�ject cost for the street and utility improvements is estimated at $1,174,4�0, which includes a 10%contingency and 30%indirect costs. Thepraject cost for the site grading is estimated at $1,252,OQ0, which includes a l0a/o continge�acy and 25% indirect casts. This resuIts in a total es�imated project cost of$2,426,000. Funding for the project would be provided primarily by special assessments to the benefitting properties. Funding from Mn/D0�' through their Cooperative Agreement program may become available. If fundi,ng is received, it�auld be used to reduc�the special assessment amounts. In addition, there would be contributions from the City of Rosemount's Water, Storm Sewer and Sanitaxy Sewer Core funds to fund oversizing costs associated with trunk utility improvements. The grading of the site will be completed prior to the street and utility improvements,either with priv�te financin�or as a separate Cxty project. The majority of the improvements can be completed, including the first two lifts of bituminous and aIl restoration items, in 1999. The finallift of bituminous is proposed to be constructed in 2000. Tt is intended to assess the cost of the iz�nprovements in 1999. This projeet is feasible, necessary and cost-effective from an engineering standpoint and should be constructed as proposed herein. Cily of Roseneou�t �Conley Avenue SJted& Uttlery tntprovements and Apputtenani iYork Feasi6ility Report -City Prof ect No:303 S.A.P.No.20&117-01 WSB Pra��ct Na 11�8.ao P�e r TOTAL P.�� !; ; j;!''ri; , �� ; �;r �k '-�> <' ii ';r�: ' �� - O i: ! i` ji; - i: .. ; : ; ;:f i:; �.. : • _ .._._....._ :�r ..�.__.� :�. -._ _. ...._—._.._�-��-,,,ti��`.—=,1—_.— _...—",_:_� - _ -- •- - — — —. � , �-� -_-�� _ ` ., �...� � 1" � r - - � � - - - - � � r� � , � � � , �� i � , rt ('i L � � II I�z- � �, � � � � ! .f'i —,J � — � ' I ��i I` � � � 4- � �—�s—f _ �I � � �� > : ' �-'�) -;�,��.�:; � , � � �-�;N� ' , i i F:� � � �:'::i ; ;�i i� ! l I�,PONDING �I II� '� I� � �.:;II I,• F'`I ; , � ;� I; AR.�� :I : �; �I I� � ��1I ' �I � '4" � '- t i;�� . ,-{;��) � � �i� � �I I� � I: I i !:i � i: �I I� r� �, � i i �, il I� FUTURE WAY E �I II� I � !"Il ; I� � ; I� �{-�RANSPQRTS� �I Il,.'J r �' �"1:1�1I GRADING LIMITS � � � � .[ �NDERSON T:�:f ( I �: ; I II ; ., bl j[ �2UCKING ry 1:��I I� i:;: i; € � : !': . i.��:�;:�l,a:l:. � , �_:: ,�i` ?; h I� FILLEX. -- i;�ll '�I � � PONDING�'�' '€ � l::l '� + -- '�i, I:I,��l� ,� � L— ,._ –rih i �'�,� I ;i j� , 1� `�' , ;�' � �__ _ �I� � I I � � �� ------ ; � � I� � �I�a �:��.�:'�; �� ' �I � � � � , w � ; �- �--�- � �:�:� : � � � I I ~ p� � +� -- �� \\ � POND .. NEW l�� PONDING '��1 _� � � �; ��\ � I ' ' ' _ ' `II � �.�-,�\� j I AREA � � I � �°.Y � ji ��i � � �.�;��,� ..�. i I �--;. �- �; � � � � !'''`(r '- ii �I � _ � _ _ \` ''� \� � Ilr�--.,.,,, � `r,,. ;� '� ��,;I�;I � . � �� \ \� � �� frr -,_ MODIFY � � � t�\.`_•_.�..�.'_, r_:.i ———— �\ �\I � ...✓--._..._ ROSEMOUNT � __ \\ RURALWATER _�'.�;; ; € ,,,',` � ; — ---=i--�I� —� �' I' � '4.` `.\ �� , 1 � ;.�� SYSTEM '�;;�� \ I�I � � �I' 1 ' ;`f' � �� -`\.�\ I I �� I� II� � �.�' T' ;t;: � I i l y,�,•,t;:} � I�!' `\\ ^ i I I :i i�t 4.-.,-.......1�' ,`';" �; � SOLBERG I�I �I I I i f y ''. � ��I! �1:, �� \``.\ AGGREGATE I I �I i� j4� _.J ,.• ��., I�� I� �E � r � �� 9:€ \ `; �� FILL EX. �� ,- ;; ±; � �'` \�� ', IiI PONDINGI� I I�f _ � `; `� `:, Il� AREA � I� �I ;`;?f ' t � NEW I' h I: `\` �,�: I�I II I ° I€ `\\ _ ! II� ` � �I PONDING : �. ,� �, ;� �� a ��_ , � � �� , � � _--- _ --- _ _ :� ; .� .. .. :. .. .: � ; ;. � �� ;. • � -_.._-- -- --_.. _ - --- _...::...._.— , ; , , .._ � .-�----�' 4—_ ...... � - ----- � � _ ,r: : .�.._.. .....�_ J .��: '..._'_"`."..............�:..::.......` - . ' 't __.__. _ ..... .... . —p '_ . _—..�......_.�. -.'__"_'_—__"_..........:_....____._....._:..-_ _. 1' _._...._'_'� i ;^� � __—._.._'_.___,_"�___..-.._—..l - M4..,...-_"� i: ' � . =.`1�.� iJ i� �� 0 200 400 J - �� Conley Avenue Street and Utility WSB Projed No. 1148.20 Date:March 16,�sss �� eaa,wan.�Bo��ro Improvements and Appurtenant Work Minneapolis,MN 55426 � etzs47�8W d A.vociatea,/nc. FAX 641-1700 INFRASTRUCTURE - ENGINEERS - PLANNERS Rosemount Minnesota ' ' Conle Avenue Street Y � . . and Utill Im rovements � � tY p � and A urtenant Work t � . pp 1 Ci Pro'ect Number : 303 �� tY J 1 S.A.P. No. 208-117-01 , for the City of �� `'w�•.1 � • � �``,� / � � � . � �y ►�. . --� � � � � - � � � , � ' WSB Proj.No. 1148.20 March 16, 1999 Submitted to: � C� of Rosemount �' ' 2875 145th Street Rosemount, Minnesota. 55068 1 - 350 Westwood Lake ORioe ' �� 8441 Wayzata Boulevard Minneapolis,MN 55426 �� a�2��.�soo ' Bc Assoc�ates,btc. FAX 541-1700 INFRASTRUCTURE - ENGINEERS - PLANNERS ' - B.A.Mittelsteadt,P.E. 350 Westwood Lake Office Bre�A.vt�e�ss,P.E. II�� 8441 Wayzata Boulevard Peter R.Willenbring,P.E. � Minneapolis, MN 55426 Donald W.Sterna,P.E. Ronald B.Bray,P.E. 612-541-4800 � �Associates,Inc. FAX 541-1700 March 16, 1999 , Honorable Mayor and City Council � City of Rosemount 2875 145th Street West � Rosemount, MN 55068-4997 Re: Feasibility Report � Conley Avenue Street & Utility Improvements and Appurtenant Work City Project No. 303 ' S.A.P. No. 208-117-01 WSB Project No. 1148.20 ' Dear Mayor and City Council Members: � Transmitted herewith is a feasibility report which addresses street and utility improvements for Conley Avenue between Dakota County State Aid Highway (CSAH) 42 and 140�' Street East, located east of Trunk Highway (TH) 52. , We would be happy to discuss this report with you at your convenience. Please don't hesitate to contact me at 541-4800 if you have any questions regarding this report. ' Sincerel , Y ` WSB &Associates, Inc. ' /�^ ` Bret A. Weiss, P.E. ' Vice President � Enclosure nm � ' ' Infrastructure Engineers Planners EQUAL OPPORTUNITY EMPLOYER ' , FEASIBILITY REPORT ' , CONLEY AVENUE STREET AND UTILITY IMPROVEMENTS ' AND APPURTENANT WORK CITY OF ROSEMOUNT CITY PROJECT NO. 303 , S.A.P. NO. 208-117-01 ' MARCH 16, 1999 � , , ' Prepared By: WSB & Associates, Inc. � 350 Westwood Lake Office Park 8441 Wayzata Boulevard Minneapolis, MN 55426 , (612) 541-4800 (612) 541-1700 (Fax) , ' ' 1 Clty of Rosemount �Conley Avenue Street dc Utllity Iniprove►nents and Appurtenant Work � , Feastbtllty Report -City ProJed No.303 I�i�SB S.A.P.No.208-117-01 � WSB Project No. I1�8.20 •""°`'�"•'" ' 1 ' CERTIFICATION ' ' ' ' I hereby certify that this plan, specification or report was prepared by me or under my direct supervision and that I am a duly Registered Professional Engineer under the laws of the � State of Minnesota. ' ( � Bret A. Weiss, P.E. ' Date: March 16, 1999 Reg. No. 20753 , , ' , ' ' ' ' ' City ojRosemount �Conley Avenue Street 6� Utility Improvements and Appurtenant Work � Feasibtlity Report -City Project No.303 �s'� S.A.P.No.208-117-01 WSB ProJed No.1148.20 t"�°°'�••'^° ' ' ' TABLE OF CONTENTS ' TITLE SHEET LETTER OF TRANSMITTAL CERTIFICATION SHEET ' TABLE OF CONTENTS ' 1. EXECUTIVE SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 , 2.1 Authorization 2 2.2 Scope 2 2.3 Data Available 2 , 3. GENERAL BACKGROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.1 Project Location 3 , 3.2 Project Zoning 3 3.3 Existing Conditions 3 ' 3.4 Traffic Analysis 4 4. PROPOSED IMPROVEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ' 4.1 Street 5 4.2 Site Grading 5 ' 4.3 Storm Sewer 6 4.4 Watermain 7 4.5 Sanitary Sewer 7 , 4.6 Sidewalk/Pathway 8 4.7 Private Utilities / Street Lights 8 4.8 Permits /Approvals 8 ' 4.9 Right-of-Way/Easements 8 ' FINANCING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.10 Opinion of Cost 9 4.11 Funding 9 ' 6. PROJECT SCHEDULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 ' 7. FEASIBILITY AND RECOMMENDATION . . . . . . . . . . . . . . . . . . . . . . . . . . 14 ' , City of Rosemount �Conley Avenue Street& Utility Improvements and Appurlenant Work � Feaslbility Repor[ -Clty ProJec[No.303 S.A.P.No.208-11101 � WSB ProJect No.1148.20 "''"°`""`•°i ' � ' APPENDIX A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 FIGURES 15 � APPENDIX B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 OPINION OF COST 24 , APPENDIX C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 OVERSIZING COSTS 32 ' , ' , ' ' ' ' ' ' , ' ' City of Rosentount �Conley Avenue Street&Utility Improvements and Appurtenant Work � ' Fiasibility Reporl -Clty ProJed No.303 I�I�s'B S.A.P.No.208-117-01 � WSB ProJect No.1148.20 ""^°"°"•-� ' ' ' 1. EXECUTIVE SUMMARY City Project No. 303 includes site grading and the construction of street and utility ' improvements for Conley Avenue (a Rosemount Municipal State Aid (MSA) street) within a proposed 57-acre industrial development. The development is located east of Trunk Highway (TH) 52, north of Dakota County State Aid Highway (CSAH) 42, , south of 140`'' Street East, and east of Rich Valley Golf Course. A map showing the project location is shown on Figure 1. ' The proposed improvements include the construction of Conley Avenue, a 44-foot wide urban collector street consisting of bituminous pavement and B-618 concrete curb , and gutter. Utility improvements include the construction of lateral watermain,sanitary and storm sewer systems. In addition to the proposed lateral improvements will be trunk storm sewer and watermain systems. ' The project cost for the street and utility improvements is estimated at $1,174,000, ' which includes a 10%contingency and 30%indirect costs. The project cost for the site grading is estimated at $1,252,000, which includes a 10% contingency and 25% indirect costs. This results in a total estimated project cost of$2,426,000. Funding for � the project would be provided primarily by special assessments to the benefitting properties. Funding from Mn/DOT through their Cooperative Agreement program may become available. If funding is received, it would be used to reduce the special ' assessment amounts. In addition, there would be contributions from the City of Rosemount's Water, Storm Sewer and Sanitary Sewer Core funds to fund oversizing ' costs associated with trunk utility improvements. The grading of the site will be completed prior to the street and utility improvements,either with private financing or as a separate City project. , The majority of the improvements can be com leted, includin the first two lifts of P g , bituminous and all restoration items, in 1999. The final lift of bituminous is proposed to be constructed in 2000. It is intended to assess the cost of the improvements in 1999. ' This project is feasible, necessary and cost-effective from an engineering standpoint and should be constructed as proposed herein. ' ' ' ' City ojRosemount � Conley Avenue Street dc Utility Improvements and Appurtenant Work Feastbillty Repor[ -Clty ProJed No.303 S.A.P.No.208-117-01 WSB ProJecl No. I148.20 page 1 ' ' � 2. INTRODUCTION 2.1 Authorization � On January 5, 1999, the Rosemount City Council authorized the preparation of a Feasibility Report to address development-related infrastructure costs attributed to the � Conley Avenue Street and Utility Construction project. This project has been designated as City Project No. 303 and State Aid Project (SAP) No. 208-117-01. ' 2.2 Scope ' This report addresses the construction of site grading, street, and utility improvements necessary for the development of 57 acres of industrial property located in the northeast quadrant of the TH 52 and Dakota CSAH 42 interchange. As part of the project, ' Conley Avenue, an urban collector street, will be constructed. Conley Avenue was previously designated as a Municipal State Aid (MSA) street due to projected traffic , volumes and the overall benefit to Rosemount's street system. Because of the designation as an MSA route,Conley Avenue must be constructed according to current state-aid standards. � The proposed improvements also include construction of lateral and trunk storm sewer, watermain, and sanitary sewer systems. Site grading will be completed privately or as ' a separate city project prior to construction of the street and utility improvements. ' 2.3 Data Available Information and materials used in the preparation of this report include the following: ' • City of Rosemount Record Plans for adjoining properties • Site Topography by WSB &Associates, Inc., February, 1999 ' • City of Rosemount Stormwater Management Plan • City of Rosemount Topography Maps for Adjoining Properties , • City of Rosemount Water Supply and Distribution Plan • Preliminary Plat information completed by WSB &Associates, Inc. • Site Plan for the Fleet Development(Anderson Trucking)Facility completed ' by Paramount Engineering • Preliminary site plan for the Wayne Transports Facility prepared by Paramount Engineering , • As-built plans for the Fleet Development(Anderson Trucking)Trunk Sanitary Sewer project. ' ' City ojRosemount �Conley Avenue Street& Utiltty Improvements and Appurtenant Work Feasibi[ity Repor[ -City ProJed No.303 S.A.P.No.208-117-01 WSB ProJed No.ll�8.20 page Z ' , ' 3. GENERAL BACKGROUND 3.1 Project Location (See Figure 1) ' The property is contained within a 57-acre parcel which is bordered by TH 52 on the west, 140`� Street East on the north, Rich Valley Golf Course on the east, and CSAH ' 42 on the south. ' 3.2 Project Zoning The Solberg Aggregates and Fleet Development sites are currently zoned industrial. , The remainder of the site will require rezoning to allow for development of the Wayne Transports facility and the expansion of the Solberg Aggregates and Fleet Develop- ment sites. , 3.3 Existing Conditions ' The terrain within the project area includes a large hill located within the southern portion of the property. The azea south of the hill drains generally toward the south ' and east to a ponding area within the Rich Valley Golf Course property. The area north of the hill drains to a natural swale located south of the existing Fleet Develop- , ment property and discharges east to the golf course property, eventually reaching an existing ponding area. This ponding area, located within the golf course property, is referred to as Pond ERV-P 1814 in the City of Rosemount Stormwater Management ' Plan. The natural swale also accommodates flow from a large drainage area located to the west of TH 52 within the U of M East drainage district. Storm water from the west side of TH 52 is directed to the site across TH 52 through two existing 36-inch , reinforced concrete pipe culverts. � The project area is currently served by the Rosemount Rural Water system. The system was designed as a temporary means to supply water to the Eastern Service Area of the City. The system adjacent to the property consists of four-inch and six-inch PVC pipe. , The City's Water Supply and Distribution Plan calls for the Rural Water System to be abandoned once the Eastern Service Area is developed in the future. , Sanitary sewer is currently not constructed within the property. Sanitary sewer was recently constructed to serve the Fleet Development site located in the northeast corner � of the property. The trunk sanitary sewer was extended south from an existing Metropolitan Council Environmental Services (MCES) interceptor to a point directly across 140�' Street East from the Fleet Development facility. ' , City ojRosemount �Conley Avenue Street� Utility Improvements and Appurtenant Work Feastbi[lty Repor� -Clty Project No.303 S.A.P.No.208-117-01 ' WSB Project No.1148.20 Page 3 i � Solberg Aggregates is located at the southwest corner of the project azea. They have completed mining granulaz material out of the hill located toward the south end of the site. , Fleet Development is located in the northeast corner of the site. This property was developed in 1998. Additional development of their site will continue in the near ' future, resulting in expanded parking areas. ' An existing farmstead is located in the northwest corner of the site within the proposed Wayne Transports property. The farmstead will be demolished privately to accom- modate future development. � A 12-inch diameter high-pressure gas main owned by Northern Natural Gas is located along the east side of the property. It is located within a 50-foot easement along the , entire length of the east property line. ' 3.4 Traffic Analysis (See Figure 2) The TH 52 intersection with CSAH 42 is currently a grade-separated interchange, � while 140�' Street East is an at-grade intersection with TH 52. The 140th Street East intersection currently allows for turning movements in all directions. ' An analysis of the existing and projected traffic volumes adjacent to the site was completed as part of a Mn/DOT Cooperative Agreement submittal dated December 17, ' 1998. The purpose of the cooperative agreement submittal was to receive partial funding from Mn/DOT for the construction of Conley Avenue, which would act as a frontage road for TH 52 and provide access to the site. In addition, modifications to � the TH 52/140th Street East intersection and CSAH 42 were proposed as methods for improving the safety of TH 52. At this time, Mn/DOT has not committed to partial funding for this project. ' ' , ' ' , City ojRosenwunt �Conley Avenue Street& Utility Improvements and Appur[enant Work Feastbility Report -City ProJed No.303 S.A.P.No.208-117-01 WSB Projed No.1148.20 Page 4 � � � 4. PROPOSED IMPROVEMENTS 4.1 Street (See Figures 3 and 4) , The construction of Conle Avenue between CSAH 42 and 140�' Street East is the Y ' primary purpose of this proj ect. In order to aid in the safety improvements for TH 52 and CSAH 42, all access to the developed properties will be from Conley Avenue. Conley Avenue will be constructed according to state-aid standards to a width of 44 ' feet, including bituminous pavement and B-618 concrete curb and gutter. The pavement section will be designed to accommodate a 10-ton axle load,and will consist of approximately five inches of bituminous and 12 inches of Class 5 aggregate base. ' The design of the pavement section may vary slightly, depending on soil conditions and projected traffic volumes. ' In addition to the proposed improvements to Conley Avenue, modifications will be made to CSAH 42 to accommodate the development. Currently, Solberg Aggregates � has two driveway accesses to CSAH 42. As part of the improvements,both driveways will be removed. A new access to Solberg Aggregates will be constructed from Conley Avenue to their existing parking lot. Removal of the driveways to Solberg Aggregates , will allow for construction of a right-turn lane from westbound CSAH 42 to the northbound ramp of TH 52. All modifications to CSAH 42 will be coordinated with ' the Dakota County Highway Department. The City will attempt to obtain funding from Dakota County to complete these improvements. If no funding is available, it is likely these improvements will not be completed as part of this project. � If Mn/DOT enters into a cooperative agreement with the City, modifications to the 140�' Street East intersection with TH 52 will be necessary. The modifications would ' vary from a partial closure to a complete closure of the intersection. For the purposes of this study, closure of the center median and removal of the existing left-turn lanes ' have been included in the estimated project cost. If a cooperative agreement is not approved, it is likely that the intersection will not be modified as part of this project. , 4.2 Site Grading (See Figure 5) In an effort to accommodate the construction schedule for the Wayne Transports ' facility, it will be necessary to start the site grading as soon as possible. Consequently, the site grading for the project will be completed privately or as a separate contract , prior to construction of the street and utility improvements outlined herein. ' � City ojRosemount �Conley Avenue Street& Utility Improvements and Appurlenant Work Feasibtlity Reporl -Ctty Project No.303 S.A.P.No.208-117-01 � WSB ProJec!No.1148.20 Page S ' � Because of the existing topography of the site, a great deal of excavation will be necessary to provide developable sites and a roadway that will meet State-Aid standards. As a result, nearly the entire site will be modified as part of the grading ' operation. The majority of the excavation will occur within the lazge hill at the southern end of the site. In addition, there will be subgrade excavation within the proposed Wayne Transports site to remove poor soils from the parking lot area. The ' poor soils will be replaced with excess granular material from within the site. � The site grading includes filling the two existing ponding areas within the Fleet Development site, as well as the existing ponding area within the Solberg Aggregates site. Three new ponding areas would be developed as part of the grading operation. ' The new ponding areas would not be lined with clay soils, which would allow the storm water to percolate into the existing granular material. This will help to minimize the impacts on the Rich Valley Golf Course property adjacent to the site. , There will be a large amount of excess soil generated as a result of the grading ' operation. The excess material includes approximately 300,000 cubic yards of granular material and 74,000 cubic yards of topsoil and muck. The estimated project cost assumes that the granular material will remain within the site,and the topsoil and muck ' will be hauled away. The cost can be reduced if the topsoil and muck can be utilized within or adjacent to the site. Staff will work with the property owners to resolve this issue. ' 4.3 Storm Sewer (See Figures 3 and 4) � The City's Comprehensive Stormwater Management Plan calls for creation of a ponding area west of TH 52 referred to as Pond UME-P 1835. The plan calls for a 48- � inch trunk storm sewer pipe to connect this future pond with the pond located on the golf course property, Pond ERV-P 1814, replacing the existing natural swale. As part of this project, it will be necessary to construct a 48-inch trunk storm sewer pipe to � accommodate the flow across the property, as outlined in the City's Stormwater Management Plan. � As part of the development of this site, it will be necessary to create ponding areas to provide adequate stormwater treatment and rate control in accordance with the City's � Comprehensive Stormwater Management Plan. The ponding areas will be sized to maintain the existing flow rate onto the golf course property the same as it is in the ' current, undeveloped condition. The location of the ponding areas are proposed as shown on Figures 3 and 4, and will be constructed as part of the grading operation ' ' Clty ojRosemount �Conley Avenue Street h Utllity Improvements and Appurlenant Work Feasibil3ty Report -City ProJed No.303 S.A.P.No.208-11101 WSB Project No.1148.20 Page 6 ' � , prior to the street and utility improvements. The ponds will be designed to maximize infiltration and percolation to minimize the rate of outlet dischazge. � Lateral storm sewers will be constructed in accordance with state-aid standards to serve the Conley Avenue right-of-way. The storm sewer system has been designed for a 10- yeaz rainfall event. Additional storm sewer will be constructed to serve the Wayne , Transports site at the property owner's request. ' 4.4 Watermain (See Figures 6 and 7) Water service to the property is available from the existing Rosemount Rural Water , System. The existing system consists of four-inch and six-inch PVC watermains. A new 16-inch diameter main will be constructed within the Conley Avenue right-of-way to serve the properties within the development in accordance with the Rosemount ' Water Supply and Distribution Plan. The 16-inch main will be connected to the existing four-inch PVC main at 140`'' Street East and the six-inch PVC main at � CSAH 42. The 16-inch main will be extended to the south across CSAH 42 for future connection when the Eastern Service Area is developed. A six-inch diameter pipe will be constructed across the future Wayne Transports site to connect the 16-inch main 1 within Conley Avenue to an existing six-inch PVC main along the east side of TH 52. Fire hydrants will be installed along Conley Avenue in accordance with City Standards; � however, the existing Rural Water System is not sized to provide adequate fire protection. Once the Eastern Water Service Area is created, adequate fire protection � will be available to the properties. In the interim, individual fire protection systems will be required for each property in accordance with City and State code requirements. ' Water service lines will be extended to the individual properties as required. A six- inch water service to serve the Wayne Transports site will be looped through the property at the property owner's request. � 4.5 Sanitary Sewer (See Figures 6 and 7) � Sanitary sewer to serve the property will be provided by 10-inch PVC gravity sewer extended to the south along the Conley Avenue alignment from the sanitary sewer � constructed to serve the Fleet Development property. The sanitary sewer will be extended to the south of CSAH 42 to serve future development south of CSAH 42. , Sanitary services will be extended to the right-of-way line for each individual property as necessary to serve future development. The sanitary sewer service for the proposed � � City ojRosemount �Conley Avenue Street dc Utf!!ty Improvements and Appunenant Work Feaslbllity Report -City ProJect No.303 S.A.P.No.208-117-01 WSB ProJect No.1148.20 page 7 ' ' ' Wayne Transports site will be extended into the property at the property owner's request. ' The entire development area will discharge into the Metropolitan Council Environmen- tal Services (MCES) Rosemount Wastewater Treatment Facility. No trunk improve- ments are anticipated to be completed as part of this project. � 4.6 Sidewalk/ Pathway , No sidewalks or pathways are proposed as part of this project. , 4.7 Private Utilities / Street Lights The development will be provided electrical power by Northern States Power (NSP), ' phone service by Frontier Communications, and gas service by Peoples Natural Gas. Street lights for the improved streets will be incorporated into the project and assessed ' to the property owners. 4.8 Permits /Approvals ' Permits will be re uired for this ro'ect from the Minnesota De artment of Health for q P J P ' the watermain extensions and the Minnesota Pollution Control Agency (MPCA) for the sanitary sewer extensions. In addition, approval of the sanitary sewer plans is required by the Metropolitan Council-Environmental Services. The final plat requires ' approval by the Dakota County Plat Commission and Boazd of Commissioners. Because Conley Avenue is a state-aid roadway, the plans will require approval by the ' state-aid office prior to accepting bids for the proj ect. Permits from the Dakota County Highway Department and Mn/DOT will be required for any work performed within the , CSAH 42 or TH 52 rights-of-way. 4.9 Right-of-Way/Easements ' The proposed street right-of-way and all necessary easements will be dedicated by the developer as part of the final plat. The majority of the proposed improvements will be ' located within the proposed rights-of-way or easements. For the utility work within the proposed Wayne Transports site, and the driveway modifications within the Solberg ' Aggregates site, temporary easements will be necessary. It is anticipated that these easements will be provided by the property owners. ' ' City of Rosemount �Conley Avenue Street Q� Ut�l�ty Improvements and Appurtenant Work F¢aslbility Repore -GYty ProJect No.303 S.A.P.No.208-117-01 ' WSB ProJed No. 11�8.20 Page 8 ' ' There will be two easements necessary across the proposed Wayne Transports property. A 25-foot wide easement is needed for the trunk storm sewer, and a 20-foot wide easement is needed for the six-inch watermain loop. ' FINANCING ' 4.10 Opinion of Cost ' Detailed opinions of cost can be found in Appendix B of this report. The opinions of cost incorporate 1999 construction costs and include a 10% continency factor and all related indirect costs. The indirect costs are estimated at 30% and include legal, ' engineering, administrative, and financing items. The summary of the project cost is as follows: ' Total • Surface Improvements $447,000 � • Sanitary Sewer $198,000 • Watermain i $282,000 ' • Storm Sewer $247,000 Subtotal $1,174,000 ' • Site Grading $1,252,000 Grand Total $2,426,000 ' 4.11 Funding ' The funding for the project is summarized on pages 11 and 12. ' The majority of the funding for the project will be collected from special assessments to the benefitting properties. Construction costs associated with the trunk storm sewer, sanitary sewer and watermain oversizing will be funded by the Storm Sewer, ' Watermain and Sanitary Sewer Core Funds. , A breakdown of the special assessments is as follows: • Site Grading: The site grading assessments are based on the individual needs ' of each site for the maj ority of the grading items. Items which benefit all parcels are based on the individual lot frontages on Conley Avenue. , � City ojRosemount �Conley Avenue Street& Utility Improvements and Appurlenant Work Feasibtl�ty Report -Clty ProJect No.303 S.A.P.No.Z08-117-01 ' WSB ProJect No. 1148.20 Page 9 ' , • Pond Grading: The assessments for grading the ponding area south of the Fleet Development site are based on contributing drainage azea. ' • Street and Utility Improvements: The assessments are based on the assessable frontage on Conley Avenue. Figure 8 shows the assessable frontage for each property. The total frontage for assessment purposes does not include 1,625 ' linear feet along the east side of Conley Avenue adj acent to the proposed pond and existing gas main easement. ' • CSAH 42 / TH 52 Improvements: Funding for these items will be from a combination of Dakota County and Mn/DOT. If funding is not received, , these improvements will not be completed. • Wayne Transports Utilitylmprovements: The cost ofthese improvements will ' be assessed to Wayne Transports only. ' The total estimated assessments are as follows: Street Site ; Private , & Utility Gradi,ng Improvements Total Wayne Transports $495,00 $728,000 � $36,000 I $1,259,000 ' �— _ ------- _ __ Fleet Development $289 00 $164 000 $0 ! $453,000 , , Solberg Partnership $215,00 $360,000 � $0 '�, $575,000 ' Total $999,00 �1,252,000 $36,000� $2,287,000 , ' , ' ' ' ' City ojRosemount �Con[ey Avenue Stree!& Utility Improvements and Appur[enant Work Feasibiltty Report -City Project No.303 S.A.P.No.208-117-01 � WSB Project No.Il�8.10 Page 10 ' � O M M 00 -� 00 M O� CO N N N .� I � M �O 01 O O N V� �D N � O l� � �C O � 00 H �O �O 0 M O � M � � � O N N O M et o0 �O vi � O� M � ' w+ N 00 O l� � O� � N •--� M o0 � � � � 6�9 � 6�A 6N9 ~ 69 O 69 6N9 6��9 6N�9 � Oi .� V � � � o, o� �o � +� � � � d�' d�'� N � n � .�O ' i � ~ � N � N 6�9 M M M '� , v � d9 69 69 69 69 � I � 3a� ' � � � I � ( �M [� O O O M �O M M � M I �''� � � i � y. l� N O O O M �O � O t� 00 I I � ' j �. � N l� O I� l� O� � �n O� N vi .�0 O � � O� �n V� � N 69 V� •� � �o I � � bs � � � � � � � � � ! � '� I i � I y` � � 01 V'1 M [� � �' M I S I M �--� � O h O h M �--� O M � � N M V� �O o0 � N O� l� � � N � 00 I O O O �O M v� 00 � O d� ,r 0o II O �O b M N 69 �t � I �D � C ' 69 � � i � � ; � � � 69 : r. yq y 69 � � I I � d , I v1 v� O � M N O i �p , �p ----- O? � ��.' r. 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A [� .0 � ytr"� � X X 'n vNi � � K rn a c�i u �� .M�r. . � .p V] * Q G� W w � .a � • W �' O7 I � � .. c °c � � � > � on :a � o oE x V a� e o x ou � u E. h v o � e a � w . � :d � E w � � W = � � g 'Q �a � e o p � F � U o�G v� �X � U C'7 U U x �o a�' � V x v�i ii� � * a', , �a °' °� - ---- — o - h � �„+� y � N M � vi �D 1� 00 O� O N M � L1. N � M ! � � � �, O V V� 'J � � � �L__1_ Z . ' ' City ojRosemount � Conley Avenue Street dc UHUty Improvements and Appur[enant Work Feasibility Report -City Profect No.303 S.A.P.No.208-117-01 WSB Profect No. Il�18.20 Page 12 , � � 6. PROJECT SCHEDULE ' The proposed project schedule for this improvement is as follows: ` Order Feasibility Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . January 5, 1999 ' Receive Feasibility Report/ Order Public Hearing . . . . . . . . . March 16, 1999 Public Hearing / Order Plans and Specifications . . . . . . . . . . . . . . Apri16, 1999 ' Approve Plans and Specifications / Order Ad for Bid . . . . . . . . . May 4, 1999 ' Receive Bids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . May 28, 1999 ' Award Contract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . June 1, 1999 Begin Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . June 14, 1999 � Substantial Construction Completion . . . . . . . . . . . . . . . . . . October 15, 1999 ' Assessment Hearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . October, 1999 , Final Lift of Bituminous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . June 15, 2000 • Any delays associated with developer-related decisions will require the , extension of the above-noted schedule. ' ' � ' 1 1 City ojRosemount �Con[ey Avenue Street Qc UNltty Imp�ovements and Appunenant Work ' Feasibility Reporl -City Project No.303 S.A.P.No.208-I17-O] WSB Project No. 1148.20 Page 13 � , 7. FEASIBILITY AND RECOMMENDATION ' City Project No. 303 consists of site grading and the construction of streets,utilities and appurtenant work as necessary to develop a proposed 57-acre industrial � development. Incorporated into the improvements are trunk storm sewer, sanitary sewer, and watermain improvements in accordance with the City of Rosemount's Comprehensive Plans. � It is the recommendation of WSB & Associates, Inc. that City Project No. 303 is feasible, necessary and cost-effective from an engineering standpoint. We ' recommend construction of the proposed improvements as detailed in this report. ' , � ' � ' ' , � , , ' City ojRosemount �Conley Avenue Street& Ut!!tty Improvements and Appurlenant Work ' Feasibility Reporl -City ProJect No.303 S A.P.No.108-117-OI WSB Profect No. 11�l8.20 Page 14 � , ' � � ' ' , � APPENDIX A ' FIGURES , ' � � r � � � City ojRosemount � Conley Avenue Street& UtlUty Improvements and Appurtenant Work Feaslbility Report -City Project No.303 , S.A.P.No.208-117-01 WSB Project No. 1148.20 Page 1 S , T � � � � � �� a � ' �'��:�.'j � � � 1 ��; �.,�, � . ,_ £ � _9 � .�..��_. �1'.Al'G� �� O :� �� `�� ' . I � }�J 'J . �.�„, � r iK�. . �`^� � �i �� . ;� M, '` `�� -- '� � � i �, �� ; j, x.�� : `"��'^-��,.^""'�.y,,,""`•;,k�';; ' t � `�. r � ��,, � � �.� s �'� �'<� ��.� � �: ��,Uy,rf�',�r,� ' . 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I � � i i � � ; � i i ��uI II - �i I + I� � f I� ' ��1 II iill � � ; l � , ill � li ' � � I � � � ��I I I1�.--- i' ��+ �-r.��.�1 � � � � iI � � � i � i J — 1� +'� I' I I I �; I ' l i 'I j iI� � i li 1:_1_�1. � � � � � � ' � � I � i l �I � 1..}�i- � �il� � k�,) I, j ! il i i �� (-�:', I � ��--- .. L�_:1:J_:1_�.�._i�_._._I...� j� J i Y-i�I ��t"�"-;t'-+, ��I � + � � - -----------i-----I--. I I� I I I I . . I I . . I �%,I.� ' � ' ' c 0 �- U , �+; 0 SO 100 v� y � Conley Avenne Street and Utility wss�ra• tt�e..� u,�e:tu�ts,�sse ' v �w�� 0sea,"w��.�°�;a Improvementa�snd Appartenant Work � ,�I� Mirfapofs.MN b6628 E �� °12�"'°°° SArTITARY SEWER/WAT�RMAIN Figure Number �A+acldes,hre FAX 6N-1700 ' �� - �"�� - � Rosemount Minnesota 7 ' � m a �. ' 140TH ST�EAST _____________ — - - - --- ---- - i i � , i - - i � i i ; i ' � i i � i i i � i i � i i � ' i , I I I II i � � i i � i � i i i i i i � i � i i i i ' � � � r ' i i � i ' i i i i � i I FUTURE WAYNE � � qNpERgON � I ' � TRANSPORTS � � TRUCIQNG i � I � � � � I I � I � 19.28 ac I � 12.84 ac i � N �1,900.29'front footagd I 1,058'front footage � � ' � � � �----------�� _ � a � �---------- 0.658c � I 53'lrorft footage � � 1 1 � I � � � ' � \ \ n I � \ � 4.08 ac � � �� 803'froM iootag� I � � � �1Ponding Pvea)i I � I � �� I , \ \ I I �� I � � I � � \ � � I \ \I 1 �'-------------� \I � �� \ 1 �� I� � � � 1.40 ac � � 1,022'frontfootage � _ �� I (Gas Easement) ' �� SOLBERG �I � j � � A(3(3RE(3ATE i� � i � 1 \ g,gg� �� 4.70 ac � I � ' �` 0'iront footage �� 826.11' � � I \ ��iront faotagel � I �� j � I , � I� I � I I � X \ II � I I I � �� -------��-----1 , C.S.A.H 42 ' c � U ' '} � 0 200 400 � Conley Avenne Street and Utility wse�Ho. tue.2o oa�.�n�s,�see �o vwe�wood�.�e onb. ' v �� ea��w,�earewro Improvementa and Appartenant Work MinapWs,MN 56426 E � „Z�„�,,, Figure Number �� F,��„_,,,, ASSESSMENT AREAS �"�"�"'�� "�� - � Rosemount Minnesota. 8 � � � � , ' � ' ' � APPENDIX B ' OPINION OF COST � ' � i 1 i 1 ' Cl o Rosemount �Conley Avenue Street& Utill I rovements and A urlenant Work n' I h' mP PP Feaslbl[ity Report -City Project No.303 ' S.A.P.No.208-117-01 WSB Projed No. 1148.20 Page 24 � � En ineer's O inion o Probable Cost g P f Conley Avenue Street& Utility Improvements&Appurtenant Work � City of Rosemount City Project No. 303 S.A.P. 208-117-01 , Schedule A-Surface Improvements Item Description Unit Quantity Unit Cost Total Cost � 1 Mobilization Lump Sum 1 $15,000.00 $15,000.00 2 Traffic Control Lump Sum 1 $3,000.00 $3,000.00 , 3 Silt Fence Lin Ft 1000 $2.00 $2,000.00 4 Clear and Grub Tree 20 $300.00 $6,000.00 ' S Remove Bituminous Pavement Sq Yd 150 $2.00 $300.00 6 Sawing Bituminous Pavement(Full Depth) Lin Ft 200 $3.00 $600.00 7 Aggregate Base Class 5(100%Crushed, 10") Ton 8600 $8.00 $68,800.00 ' 8 Bituminous Base Course Mixture(2") Ton 1550 $22.00 $34,100.00 9 Bituminous Binder Course Mixture(2") Ton 1550 $22.00 $34,100.00 � 10 Bituminous Wear Course Mixture(2") Ton 1550 $23.00 $35,650.00 11 Bituminous Material for Tack Coat Gallons 1300 $1.00 $1,300.00 � 12 Concrete Curb&Gutter,Design B618 Lin Ft 5700 $6.50 $37,050.00 13 Sabgrade Preparation Lin Ft 2800 $2.00 $5,600.00 14 Install4"NMC Lin Ft 1000 $5.00 $5,000.00 � 15 Paint Striping Lin Ft 8400 $0.35 $2,940.00 16 Bale Check Each 80 $7.00 $560.00 � 17 Sod Sq Yd 2000 $2.00 $4,000.00 18 Street Signs Each 8 $100.00 $800.00 19 Seeding Acre 5 $1,000.00 $5,000.00 � 20 Rock Construction Entrance Each 2 $200.00 $400.00 21 Street Lights Each 5 $4,000.00 $20,000.00 , Subtotal $282,200.00 Turn Lane Improvements on CSAH 42 1 22 Sawing Bituminous Pavement(Full Depth) Lin Ft 750 $3.00 $2,250.00 23 Remove Bituminous Pavement Sq Yd 1100 $2.00 $2,200.00 � 24 Aggregate Base Class 5(100%Crushed 10") Ton 200 $8.00 $1,600.00 25 Bituminous Base Course Mixture(3") Ton 220 $22.00 $4,840.00 26 Bituminous Binder Course Mixture(2") Ton 140 $22.00 $3,080.00 � 27 Bituminous Wear Course Mixture(2") ton 140 �23.00 $3,220.00 28 Bituminous Material or Tack Coat Gallons 130 51.00 $130.00 � Ci o Rosemount � Conl Avenue Street& Utlll 1 rovements and A urlenant Work �1' I e!' tl' n►P PP Feastbillty Report - City ProJect No.303 ' S.A.P.No.208-II7-Ol WSB ProJect No.Il�8.20 Page 25 ' � En ineer's O inion o Probable Cost g P .f Conley Avenue Street& Utility Improvements&Appurtenant Work � City of Rosemount City Project No. 303 S.A.P. 208-117-01 NSchedule A-Surface Improvements Item Description Unit Quantity Unit Cost Total Cost � 29 Paint Striping Lin Ft 1500 $0.35 $525.00 30 Pavement Messages Each 2 $150.00 $300.00 � 31 Subgrade Excavation Cu Yd 500 $4.00 $2,000.00 32 Street Signs Each 4 $100.00 $400.00 , 33 Remove Culvert Lin Ft 55 $7.00 $385.00 Subtotal-Turn Lane Improvements on CSAH 42 $20,930.00 ' TH 52 Median Closure 38 Sawing Bituminous Pavement(Full Depth) Lin Ft 1200 $3.00 $3,600.00 39 Remove Bituminous Pavement Sq Yd 1800 $2.00 $3,600.00 ,� 40 Seeding Acre .4 $1,000.00 $400.00 41 Street Signs Each 12 $100.00 $1,200.00 � 42 Topsoil Borrow Cu Yd 300 $2.00 $600.00 Subtotal TH 52 Median Closure $9,400.00 , Total Schedule A $312,530.00 +10%Contingencies $31,253.00 ' Subtotal $343,783.00 30%Indirect Costs $103,134.90 � Schedule A-Surface Improvements $447,000.00 , � � � � City ojRosemount� Conley Avenue Street& Utllity Improvements and Appurlenant Work Feasib![ity Repor� - Clty Project No.303 , S.A.P.No.208-117-01 WSB Project No.1148.20 Page 26 , � En ineer's O inion o Probab[e Cost g P f Conley Avenue Street& Utility Improvements&Appurtenant Work � City of Rosemount City Project No. 303 S.A.P. 208-117-01 � Schedule B-Sanitary Sewer ' Item Description Unit Quantity Unit Cost Total Cost 43 Connect to Existing Sanitary Sewer Each I $500.00 $500.00 � 44 10"PVC Sanitary Sewer SDR 26 Lin Ft 3140 $22.00 $69,080.00 45 6"PVC Sanitary Sewer SDR 26 Lin Ft 120 $15.00 $1,800.00 � 46 10"x 6"PVC Wye SDR 26 Each 2 $200.00 $400.00 47 48"Dia. Sanitary Sewer Manhole Lin Ft 220 $130.00 $28,600.00 ' 48 Casting Assembly Each 13 $270.00 $3,510.00 49 Jack 24"Casting for Sanitary Sewer Lin Ft 100 $220.00 $22,000.00 � 50 Televising Sanitary Sewer Lin Ft 3140 $0.75 $2,355.00 Subtotai $128,245.00 � Sanitary for Wayne Transports 51 6"PVC Sanitary Sewer SDR 26 Lin Ft 370 $15.00 $5,550.00 � 52 48"Dia. Sanitary Sewer Manhole Lin Ft 30 $130.00 $3,900.00 53 Casting Assembly Each 2 $270.00 $540.00 Sanitary for Wayne Transports Subtotal $9,990.00 , Subtotal Schedule B $138,235.00 +10%Contingencies $13,823.50 � Subtotal $152,058.50 30%Indirect Costs $45,617.55 � Schedule B-Sanitary Sewer $198,000.00 � � � � Ci o Rosemount� Conl Avenue Street& Uti[i 1 rovements and A urrenant Work h' I e!' n' mP PP Feastblltty Report - CJty Project No.303 ' S.A.P.No.208-117-01 WSB Projec!No.1148.20 Page l7 � � Engineer's Opinion of Probab[e Cost Conley Avenue Street dc Utility Improvements&Appurtenant Work , City of Rosemount City P�oject No. 303 S.A.P. 208-117-01 ' Schedule C- Watermain 1 Item Description Unit Quantiry Unit Cost Total Cost 54 12"DIP CL 50 Watermain Lin Ft 575 $23.00 $13,225.00 � 55 16"DIP CL 50 Watermain Lin Ft 2900 $32.00 $92,800.00 56 6"DIP CL 52 Watermain Lin Ft 910 $16.00 $14,560.00 1 57 12"Gate Valve and Box Each 1 $1,000.00 $1,000.00 58 16"Gate Valve and Box Each 4 $2,000.00 $8,000.00 � 59 6"Gate Valve and Box Each 10 $420.00 $4,200.00 60 Connect to Existing Watermain Each 4 $1,000.00 $4,000.00 61 4"Insulation Sq Yd 20 $25.00 $500.00 � 62 Hydrant Each 8 $1,400.00 $11,200.00 � 63 Valve Box Extension Lin Ft 5 $I50.00 $750.00 64 Hydrant Extension Lin Ft 5 $200.00 $1,000.00 65 Ductile Iron Fittings LB 8900 $1.00 $8,900.00 � 66 Jack 30"Casing for Watermain Lin Ft 100 $220.00 $22,000.00 Subtotal $182,135.00 � Watermain for Wayne Transports 67 6"DIP CL 52 Watermain Lin Ft 740 $16.00 $11,840.00 � 68 Ductile Iron Fittings LB 500 $1.00 $500.00 69 6"Gate Valve and Box Each 3 $420.00 $1,260.00 � 70 Hydrant Each 1 $1,400.00 $1,400.00 Watermain for Wayne Transports Subtotal $15,000.00 � Schedule C Subtotal $197,135.00 +10%Contingencies $19,713.50 ' Subtotal $216,848.50 30%Indirect Costs $65,054.55 � Schedule C-Watermain $282,000.00 � City ojRosemount �Conley Avenue Street& Utility I rovements and A urlenant Work mP PP Feaslbilfty Report - Clty Projed No.303 � S.A.P.No.108-117-01 WSB Projed No.1148.20 Page 28 � � En ineer's O inion o Probable Cost g P f Conley Avenue Street 8c Utility Improvements&Appurtenant Work � City of Rosemount City Project No. 303 S.A.P. 208-117-01 � Schedule D-Storm Sewer � Item Description Unit Quantity Unit Cost Total Cost 69 15"RC Pipe Apron with Trash Guard Each 1 $600.00 $600.00 ' 70 18"RC Pipe Apron with Trash Guard Each 2 $900.00 $1,800.00 71 21"RC Pipe Apron with Trash Guard Each 1 $1,200.00 $1,200.00 � 72 48"RC Pipe Apron with Trash Guard Each 2 $2,800.00 $5,600.00 73 15"RC Pipe Design 3006 Class V Lin Ft 800 $21.00 $16,800.00 , 74 18"RC Pipe Design 3006 Class V Lin Ft 600 $24.00 $14,400.00 75 21"RC Pipe Design 3006 Class III Lin Ft 765 $26.00 $19,890.00 � 76 24"RC Pipe Design 3006 Class III Lin Ft 55 $30.00 $1,650.00 77 48"RC Pipe Design 3006 Class III Lin Ft 695 $94.00 $65,330.00 ' 78 Const.Drainage Strvcture Design 48-4020 Lin Ft 18 $150.00 $2,700.00 79 Const.Drainage Structure Design 60-4020 Lin Ft 50 $280.00 $14,000.00 80 Const.Drainage Structure Design 72-4020 Lin Ft 8 $320.00 $2,560.00 � 81 Const.Drainage Structure Design 84-4020 Lin Ft 10 $400.00 $4,000.00 82 Const.Drainage Structure Design Special- Each 16 $900.00 $14,400.00 ' 2'x3' 83 Casting Assembly Each 14 $300.00 $4,200.00 � 84 Random Rip Rap Class IV w/Fabric Cu Yd 60 $60.00 $3,600.00 Subtotal $172,730.00 � +10%Contingencies $17,273.00 Subtotal $190,003.00 � 30%Indirect Costs $57,000.90 Schedule D-Storm Sewer $247,000.00 ' � � C� o Rosemount� Con/ Avenue Street& Utili I rovements and A urtenant Work h' I eY n' mP PP Feaslbl[ity Reporl - Clty Project No.303 � S.A.P.No.208-117-01 WSB ProJed No.11�8.20 Page 29 � � En ineer's O inion o Probable Cost S P f Conley Avenue Street& Utility Improvements&Appurtenant Work City of Rosemount City Project No. 303 S.A.P. 208-117-01 , Schedule E-Site Grading Item , Description Unit Quantity Unit Cost Total Cost ' A. Site Grading 85 Transplant Tree EA 10 $250.00 $2,500.00 � 86 Salvage/Reinstall Chain Link Fence LF 2,100 $8.00 $16,800.00 87 Clear and Grub Tree 20 $300.00 $6,000.00 � 88 Remove Storm Sewer LF 900 $10.00 $9,000.00 89 Silt Fence LF 2,600 $3.00 $7,800.00 � 90 Sod SY 200 $2.00 $400.00 91 Seeding AC 11 $700.00 $7,700.00 ' 92 Chain Link Fence LF 600 $12.00 $7,200.00 93 Grading Permit LS 1 $500.00 $500.00 � 94 Common Excavation CY 393,200 $0.95 $373,540.00 95 Common Excavation(Street) CY 43,001 $0.95 $40,850.95 � 96 Haul Excess Material CY 73,200 $4.25 $311,100.00 97 6"DIP CL 52 Watermain LF 700 $16.00 $11,200.00 � 98 Remove Watermain LF 700 $5.00 $3,500.00 B. Pond Grading � 99 Common Excavation CY 99,000 $0.95 $94,050.00 100 Haul Excess Material CY 3,800 $4.25 $16,150.00 101 Seeding AC 2 $700.00 $1,400.00 � 102 Silt Fence LF 400 $3.00 $1,200.00 103 Remove Outlet Structure EA 1 $200.00 $200.00 � Subtotal $911,090.95 +10%Contingencies $91,109.10 � subtota, $1,��2,2��.�s 25%Indirect Costs $250,550.01 � Schedule E-Site Grading $1,252,000.00 � City ojRosemount�Conley Avenue Street& Uttlity I rovements and A urtenant Work mP PP Feaslblltty Report - City ProJed No.303 � S.A.P.No.208-117-01 WSB Project No.11�8.20 Page 30 � � Engineer's Opinion of Probable Cost Con[ey Avenue Street& Utility Improvements&Appurtenant Work � City of Rosemount City Project No. 303 S.A.P. 208-117-01 � Summary � Description Total Project Cost Schedule A-Surface Improvements $447,000 , Schedule B-Sanitary Sewer $198,000 Schedule C-Watermain $282,000 � Schedule D-Storm Sewer $247,000 Schedule E-Site Grading $1,252,000 � $2,426,000 � � � � � ' � � � � Clty ojRosemount� Conley Avenue Street& Utility Improvements and Appurtenant Work Feasibillty Reporr - City Projed No.303 S.A.P.No.208-117-01 � WSB ProJed No.1148.20 page 31 � ' � � � � � � ' APPENDIX C ' OVERSIZING COSTS � � � � � � � � City ojRosemount�Conley Avtnue Street�c Utility Inrprovements and Appurtenant Work � Feasibility Report - City Project No.303 S.A.P.No.208-117-01 WSB ProJect No.1148.20 Page 32 � � Watermain Oversi in Cost z g , Conley Avenue Street& Utility Improvements&Appurtenant Work City of Rosemount City Project 1Vo.303 S.A.P. 208-117-OI � Trunk Unit Lateral Unit Description Quantity Units Cost Cost Difference Total � 1 16" Watermain- 12" Watermain 2900 LF $32.00 $23.00 $9.00 $26,100.00 2 16" GV and Box- 12" GV and Box 4 EA $2,000.00 $1,000.00 $1,000.00 $4,000.00 � 3 Ductile Iron Fittings 3175 LB $1.00 $3,175.00 Subtotal $33,275.00 � +10%Contingencies $3,327.50 Watermain Oversizing Cost $36,602.50 � ' � , ' � � � , � � City of Rosemount � Conley Avenue Street& Uti[ity Inrprovements and Appurtenant Work Feaslbi[ity Report - City ProJect No.303 � S.A.P.No.208-117-01 WSB Project No.1148.20 Page 33 ' � Storm Sewer Overst in Cost z g Conley Avenue Street& Utility Improvements&Appurtenant Work � City of Rosemount City Project No. 303 S.A.P. 208-117-01 � Trunk Lateral Difference Item Description Quantity Units Unit Cost Unit Cost Total ' 1 48" RC Apron-30" RC Apron 1 Each $2,800.00 $1,600.00 $1,200.00 $1,200.00 2 48" Storm Sewer-30" Storm 390 Lin Ft $94.00 $52.00 $42.00 $16,380.00 � Sewer Subtotal $17,580.00 ' +10%Contingencies $1,758.00 Storm Sewer Trunk Costs $19,338.00 � i � 1 1 � r � � � � C�ty ojRosemount � Conley Avenue Street� Uttllty Inrprovements and Appurtenant Work Feasibility Reporl - City Prof ed No.303 � S.A.P.No.208-117-01 WSB Project No.1148.10 Page 34 � � Sanitary Sewer Trunk Cost Conley Avenue Street& Utility Improvements 8c Appurtenant Work � City of Rosemount City Project No.303 S.A.P.208-117-01 � Unit Item Description Quantity Units Cost Tota! 1 ]0" Sanitary Sewer 100 LF $22.00 $2,200.00 � 2 48" Dia. Sanitary Sewer Manhole 16.0 LF $130.00 $2,080.00 � 3 Casting Assembly 1 EA $270.00 $270.00 4 Jack 24"Casing 100 LF $220.00 $22,000.00 � 5 Televise Sanitary Sewer 700 LF $0.75 $525.00 Subtotal $27,075.00 � +10%Contingencies $2,707.50 Subtotal $29,782.50 ' +30% Indirect $8,934.75 Sanitary Sewer Trunk Cost $38,717.25 � � � � � � �' � � City ojRosemount� Conley Avenue Street d� Utility Improvements and Appurtenant Work Feaslblllty Report - Clty ProJect No.303 ' S.A.P.No.208-117-01 WSB Project No.11�8.20 Page 35