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Home My WebLink About5K Rolling Oaks Feasibility Report 4646 Dakota Street SE Prior Lake, MN 55372 CITY COUNCIL AGENDA REPORT MEETING DATE: JUNE 12, 2017 AGENDA #: 5K PREPARED BY: LARRY POPPLER, CITY ENGINEER/INSPECTIONS DIRECTOR PRESENTED BY: LARRY POPPLER AGENDA ITEM: CONSIDER APPROVAL OF A RESOLUTION ACCEPTING THE FEASIBILITY REPORT AND SCHEDULING A PUBLIC HEARING CONSIDERING THE ROLL- ING OAKS IMPROVEMENT PROJECT DISCUSSION: Introduction The purpose of this agenda item is to accept the Feasibility Report and schedule a Public Hearing to be held on July 24, 2017 for the Rolling Oaks Circle Improve- ment Project. In a separate action tonight is authorization to prepare plans and specifications and award the city standard professional services contract to com- plete the design of the project. History The City uses the Five Year Capital Improvement Program to plan its infrastruc- ture improvements and the financing for capital improvements. The Rolling Oaks Improvement project proposes to extend utility connections and improve the road- way for properties within the project area. In 2014, a feasibility report for this project was prepared. On April 28, 2014, the City Council approved a resolution accepting a feasibility report for the project. On May 27th, 2014, the City Council held a Public Hearing and on June 23rd author- ized the preparation of plans and specifications. Soon after these authorizations were approved, the developer for the neighboring property retracted their develop- ment application. Since the developer contribution was an important funding source for the Rolling Oaks project, work on the city project for Rolling Oaks stopped. A grant application was submitted to the Minnesota Public Facilities Au- thority but was not selected for funding. On May 9th, the City met with property owners from Rolling Oaks. After much dis- cussion, there was consensus that a feasibility report update was needed to fully evaluate options for a project. At its May 22, 2017 meeting the City Council adopted Resolution 17-074 authoriz- ing staff to prepare a Feasibility Report for the Rolling Oaks Improvement Project as outlined in the CIP. In this case a feasibility report was originally prepared in 2014 and a memo amendment was prepared to update the feasibility report. The M.S. Chapter 429 process applies to all projects that will be financed in whole or part through special assessments or bond proceeds. 2 Rolling Oaks Circle is considered in the report and includes first time improve- ments to Rolling Oaks located within the Northeast quarter of section 26, Town- ship 115 North, Range 22 West, Scott County Minnesota. Structures in this area were built in the 1960s and 1970s. A map of the project area (Exhibit 1) is in- cluded in the original Feasibility Report. The proposed improvements include street reconstruction or reclamation, storm sewer, storm water quality, sanitary sewer, watermain, concrete curb and gutter, and appurtenant work. Current Circumstances The Feasibility Report and memo amendments discuss options and costs for the utility extension and construction of the street. The primary purpose for proceeding with this project is to provide utility connec- tions for these properties and to upgrade the streets. Rolling Oaks is currently a gravel roadway. The improvements would upgrade Rolling Oaks to a standard paved City street. The existing gravel street has experienced maintenance issues due to erosion at the low point. The Public Works Department reports that multiple times every year City maintenance crews are commissioned to repair the gravel roadway due to erosion. The eroded gravel has been depositing to a nearby wet- land. As a part of the review of development to the east, the City has determined that the most efficient way to serve the area involves extension of sanitary sewer on Rolling Oaks. By serving Rolling Oaks, the City will be in better position to effi- ciently serve nearby development. Conclusion A public hearing is proposed for July 24, 2017. At that meeting the proposed im- provements, project schedule and assessments will be presented to residents. The attached Feasibility Report and amendments outline which portions of the cost for the above project will be assessed to the benefiting properties. If the Council approves the Feasibility Report and amendments, the Chapter 429 special assessment statute requires a public hearing be conducted prior to proceeding with the project to determine if it is to move forward. In summary, the project is feasible from an engineering and economic standpoint. Approval of the Feasibility Report does not grant final approval of the project. ISSUES: A developer is now proceeding with a preliminary plat for the nearby developable area. The development is known as Trillium Cove and received preliminary plat approval on May 22. Considering the cost formula developed in 2014, it is advan- tageous to have a city project on Rolling Oaks coincide with the development pro- ject. Property owners on Rolling Oaks Circle have communicated through e-mails to the City, personal meetings with the City, letters to the editor, and the public forum concern over the assessment amount and the proposed changes to the roadway. The Assessment Review Work Group had spent a lot of time in 2014 on this pro- ject to find a creative way to complete the project yet respond to concerns raised by the property owners. The work group debated the costs of the improvements, number of units, fairness of the assessments, and mechanisms for assisting property owners. The City 3 Council must weigh the precedence of this creativity for this project with the histori- cal methods of assessments, and unique characteristics of the project with the overall costs. Project Costs and Funding The Rolling Oaks project is different than most other city projects. The primary dif- ference is the gravel nature of Rolling Oaks and the large lots. Because of the lack of pavement, this project is assessed at 100% for street and storm sewer costs as dictated in the assessment policy. The Assessment Review Work Group had reviewed the costs of similar types of projects in Prior Lake. It was discovered that the cost of these types of projects are large but not out of line with other City projects or first time improvements on developments. The work group also had re- viewed neighboring City policies for first time improvements. It was found that the neighboring communities follow the same assessment formula (i.e. 100%) for first time improvements. The funding table discussed below was also reviewed by the Assessment Review Work Group. The use of different funding from the original feasibility report can assist in reducing the assessment amounts. The original assessment based on the feasibility report was close to $38,000 per unit. The revised funding table sug- gests an assessment of $26,900 per unit using updated numbers The Assessment Review Work Group has evaluated updated project costs. The costs increased by $110,000 since 2014 based on current pricing for similar pro- jects. The total project cost may be reduced by $59,072 by utilizing the existing granular fill on the south portion of the project, using the city standard cul-de-sac design, and using seeding instead of sod. The work group is also recommending the allocation of additional funding from the Water Quality Fund based upon the commonly acknowledged fact that the road in its current condition degrades the adjacent wetland and is a maintenance chal- lenge. Additional, Trunk funds ($200,000) were allocated to the project as amended with the City Assessment Policy in 2014. Also as a result from the developer’s pay- ment of previous special assessments, an amount of $191,600 of those old as- sessments are proposed for the Rolling Oaks project. The developer is also proposing to fund the amount of the cost for sewer and wa- ter connection from CSAH 42 to their connection to Rolling Oaks. Based on the current estimate this amount is calculated to be $123,200. Without the development, the city would not have $581,800 in funds to mitigate project costs. At least financially speaking, because of the contributions of the de- veloper, and the fact that the improvements will not likely be cheaper in the future, this is an opportune time to complete the project A significant issue for several property owners, (five of the ten properties to re- ceive improvements) is the number of assessable units calculated as a part of the assessment calculation. While property owners may not choose to subdivide their property, once the sewer and water is available, these property owners would have every right to subdivide the property into multiple units in accordance with 4 city minimum lot criteria. On one hand these property owners may have no inten- tion on subdivision. On the other hand, it isn’t fair to only assess one unit for those properties when subdivision is possible. The Assessment Review Work Group had originally recommended an option of administrative subdivision for these larger lots which would allow them to defer the assessment for the undeveloped units. Staff has performed additional research into this approach. Unfortunately, this option would mean a significantly higher im- mediate cost to the property owner including: surveying costs, fees, and the per- petual increase in taxes for the created lot. As a result, the Assessment Review Work Group is recommending assessing ten units at the proposed assessment rate ($26,900 a unit) and when lots are subdi- vided, each new lot would incur a separate connection charge in effect at the time of development. This connection charge is currently $18,000 on the 2017 City Fee Schedule and is subject to change each year. Initially the funds necessary to pay for the project which are not reimbursable by special assessment will be drawn primarily from the trunk fund. The future collec- tion of connection fees would be deposited back into the Trunk Fund. Lastly, the Assessment Review Work Group is recommending that hookup fees for the nine developed units in Rolling Oaks project, as was done for the Mushtown Road project, be allowed to be assessed over a five year period if the property owner waives their right to appeal all the assessments on their property and con- nects within the one year of the assessment. This option allows property owners to spread out the connection charges over a five year period which may assist them with cash flow for the initial year Acceptance of the Feasibility Report is only the second step in the public improve- ment project process. Following the public hearing, the Council will direct City staff to abandon or order the improvement project. Once plans and specs are completed, the City Council will be asked to approve the plans and specifications, authorize advertisement for bids and then award the contract. FINANCIAL IMPACT: The funding table below for the Rolling Oaks Circle Improvement Project shows contribution from the following sources: Assessments, Trunk Fund, Street oversize Fund, developer contribution, developer-paid deferred assessment, and the Water Quality Fund. There is no question that if financed in this manner this project will set a funding precedent for future projects. Funding source amounts are shown for the original feasibility report and current option: 5 Funding Source Original Amount Revised Amount Assessments (Current) $819,431 $269,000 Street Oversize Fund $60,000 $67,200 Water Quality Fund $25,000 $112,000 Trunk Fund $8,000 $200,000 Developer Voluntary Contri- bution $123,200 Developer Paid Deferred As- sessments $191,601 Project Total Cost* $912,431 $963,001 *The funding amounts shown on the above table are estimates. The final costs would be determined based on final design and bidding. The Revised Amount re- flects the alternative roadway section, city standard cul-de-sac, and seed instead of sod which reduces the overall cost of the project. Considering that a major source of funding for this project comes from the adja- cent development, final approvals for the project should occur after final platting of the adjacent property and collection of the appropriate contributions by the devel- oper. Once the City has ordered the improvements, the City has one year to award the project unless the approving resolution specifies a different timeframe. ALTERNATIVES: 1. A motion and a second as a part of the consent agenda to approve a Resolu- tion Ordering the improvements and the preparation of plans and specifications for the Rolling Oaks Improvement Project. 2. Remove this item from the consent agenda for additional discussion. RECOMMENDED MOTION: Staff recommends approval of alternative #1. 4646 Dakota Street SE Prior Lake, MN 55372 RESOLUTION 17-___ A RESOLUTION ACCEPTING THE FEASIBILITY REPORT AND CALLING FOR A PUBLIC HEARING FOR THE ROLLING OAKS IMPROVEMENT PROJECT Motion By: Second By: WHEREAS, Pursuant to Resolution 17-074, the City Council, on May 22, 2017 ordered a Feasibility Report to be prepared under the direction of the City’s Engineering Department with reference to the Rolling Oaks Circle Project; and WHEREAS, The Feasibility Report and amendments to the Feasibility Report for the Rolling Oaks Improvement Project dated June 6, 2017 contains information that the proposed project is necessary, cost effective, and feasible. NOW THEREFORE, BE IT HEREBY RESOLVED BY THE CITY COUNCIL OF PRIOR LAKE, MINNESOTA as follows: 1. The recitals set forth above are incorporated herein. 2. The City Council hereby accepts the Feasibility Report and amendments as submitted. 3. The Council will consider the improvement of such streets and areas in accordance with the Report and the assessment of property as described in the Report for all or a portion of the cost of the improvements pursuant to Minnesota Statutes Chapter 429 at an estimated total cost of the improvements of $963,001. 4. A Public Hearing shall be held on such proposed improvements on the 24th of July, 2017 at Prior Lake City Hall, with the address of 4646 Dakota Street SE, City of Prior Lake, Minnesota at 7:00 p.m. statutory notice and publication requirements shall be followed. PASSED AND ADOPTED THIS 12th DAY OF JUNE 2017 VOTE Briggs McGuire Thompson Braid Burkart Aye ☐ ☐ ☐ ☐ ☐ Nay ☐ ☐ ☐ ☐ ☐ Abstain ☐ ☐ ☐ ☐ ☐ Absent ☐ ☐ ☐ ☐ ☐ ______________________________ Frank Boyles, City Manager Phone 952.447.9800 / Fax 952.447.4245 / www.cityofpriorlake.com Memo RE: Rolling Oak Circle Feasibility Report dated October 2013 Background: The Feasibility Report for Rolling Oaks Circle was completed in October 2013. The report outlines the existing conditions, proposed improvements, estimated project cost, and estimated assessments. The costs and estimated assessments were calculated based on the City’s assessment policy adopted September 19, 2011. On September 9, 2013, the City Council adopted Resolution 13-127, which ordered the preparation of a Feasibility Report for improvements to the Rolling Oaks project area. The information contained within the Feasibility Report was presented to City Council on October 28, 2013. Due to the high estimated assessment amount and the absence of a developer for the Bolger and Shepard/Griffith properties, the City Council did not approve the project to move forward. Although the project was not approved at the Council meeting, residents in attendance were advised that the project may be brought back before the Council should private development take place on the property to the east. On March 10, 2014, Pulte Group presented to City Council a concept plan for a 132 unit Low Density single family residential development to be known as Meadowlawn. The development would be located on the Bolger and Shepard/Griffith properties. With the concept plan presented to the City Council and Pulte’s intention of moving forward with the proposed development, it may now be prudent to evaluate the Rolling Oaks Project. Proposed Improvements: The proposed improvements in regards to streets, watermain, sanitary sewer, and storm sewer remain unchanged from the original Feasibility Report. Since the Meadowlawn development concept presentation to the Council, the Assessment Review Committee has met and evaluated various funding scenarios for the project. The following table provides the original funding breakout and estimated assessments as well as the revised estimates with various funding contributions. The estimated contribution from the Water Quality Fund and Street Oversize Fund remain unchanged from the original. Estimated Trunk Fund contribution of $131,365 is based on the revised assessment policy adopted on March 10, 2014 and constitutes 50% of the cost of sanitary sewer and watermain construction. An application has been submitted for the Clean Water and Legacy grant through the Minnesota Public Facilities Authority. The grant is estimated to contribute $60,000 towards the project if approved. The amount of the grant would be based on 50% of eligible sanitary sewer costs including project support and easement acquisition. The estimated contribution from the Pulte Group is $85,000. The number of assessable units has also been revised from 22 to 20 units for street and storm sewer component and from 21 to 19 units for the utilities component. This revision is based on a more conservative outlook and idealistic probability of future lot platting within the project area. Rolling Oaks Funding Scenarios Item Original Alternative Section/Pulte Contribution/Trunk Fund (50%)/Grant Street and Storm Sewer Assessment $25,759 $22,485 Sanitary Sewer Assessment $6,383 $609 Watermain Assessment $5,652 $3,147 Street and Storm Sewer Assessable Units 22 20 Sanitary and Water Assessable Units 21 19 Total Utilities Assessment $12,035 $3,756 Total Streets & Utilities Assessment $37,794 $26,241 Ad Valorem $0 $0 Water Quality Fund $25,000 $25,000 Current Assessments $819,431 $258,656 Street Oversize Fund $60,000 $60,000 Trunk Fund $8,000 $131,365 Estimated Grant Contribution (50% Match Sanitary Sewer) $60,000 Pulte Contribution $85,000 Deferral (Assessment) $262,410 Alternative Roadway Section ($30,000) Total $912,431 $912,431 To provide additional cost savings, an alternative roadway section is proposed for the southern portion of Rolling Oaks Circle. The savings amount is approximately $30,000 and was not included in the original funding scenario. The alternative section is based on soil borings showing good soils at the south end of Rolling Oaks Circle. Summary The proposed improvements in regards to streets, storm sewer, watermain, and sanitary sewer contained in the Feasibility Report remains unchanged. Revisions to the estimated assessments and funding can be found in the table above. The overall estimated assessment has been reduced from approximately $38,000 to under $27,000 per unit. The Assessment Review Committee recommends the funding contributions as outlined and requested that additional fund contribution be made from the Pulte Group. The Committee also recommended that property owners have the option to add connection charges to their assessment and also defer assessments for future lots. I hereby certify that this Feasibility Report was prepared by me or under my direct supervision and that I am a duly licensed Professional Engineer under the laws of the State of Minnesota. 4/22/14 Seng Thongvanh, P.E. Date Reg. No. 44666 PRELIMINARY REPORT FOR THE CITY OF PRIOR LAKE ROLLING OAKS CIRCLE 2014 PUBLIC IMPROVEMENT PROJECT UTILITY IMPROVEMENTS, GRADING, CONCRETE CURB & GUTTER, BITUMINOUS PAVING AND APPURTENANT WORK OCTOBER 2013 G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 2 PRELIMINARY REPORT FOR THE CITY OF PRIOR LAKE ROLLING OAKS CIRCLE 2014 PUBLIC IMPROVEMENT PROJECT INCLUDING UTILITY IMPROVEMENTS, GRADING, CONCRETE CURB & GUTTER, BITUMINOUS PAVING AND APPURTENANT WORK OCTOBER 2013 I hereby certify that this Feasibility Report was prepared by me or under my direct supervision and that I am a duly licensed Professional Engineer under the laws of the State of Minnesota. 10/23/13 Seng Thongvanh, P.E. Date Reg. No. 44666 G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 3 INTRODUCTION On September 9, 2013, the Prior Lake City Council adopted Resolution 13-127, which ordered the preparation of a Feasibility Report for improvements to the project area listed below: Rolling Oaks Circle, located within Northeast quarter of Section 26, Township 115 North, Range 22 West, Scott County, Minnesota. SCOPE This report evaluates the feasibility of reconstructing the street and installation of utilities in the project area. All existing infrastructure elements were evaluated, improvements recommended, cost estimates of the proposed improvements prepared and funding strategies developed in this report. Additional evaluation of future land use is also included in this report. BACKGROUND The proposed project area is shown on Exhibit 1. Rolling Oaks Circle is currently a 1300’ gravel cul-de-sac roadway located off CSAH 42. The existing road width on Rolling Oaks is 27’. The City has slowly converted gravel roadways to paved city streets. Maintenance of gravel roadway is different than paved streets, involving yearly replacement of gravel, clean out of ditches, and blading of the road surface. It is not uncommon after rain events for the road to require maintenance. Maintenance of a gravel roadway requires use of a road grader, which the City does not currently own but must borrow from the City of Savage. Rolling Oaks Circle: Gravel street Soil borings were obtained on Rolling Oaks to evaluate the existing soil conditions. The geotechnical report indicates fill sections below the existing streets. The fill varies from sandy lean clay to silty sand with some areas of peat and organic silty sand. The roadway section is proposed to be constructed per the recommendation of the Geotechnical Engineer. Existing homes on Rolling Oaks Circle are generally situated on larger parcels of land. These larger parcels can either be developed or subdivided into smaller platted lots. G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 4 There is currently no sanitary sewer system for Rolling Oaks Circle. With the exception of one property, all properties on Rolling Oaks are served by septic systems. The septic systems vary in age with the majority installed in the 1970s. There is currently no watermain system for Rolling Oaks Circle. With the exception of one property, all the properties located in the project area are currently serviced through individual wells. There is currently no storm sewer system on Rolling Oaks Circle. Stormwater is conveyed overland to ditches, ravines, wetlands, and ponds located within the neighborhood and adjacent to Rolling Oaks Circle. The roadway experiences frequent erosion of the road bed during storm events. These events have resulted in the degradation of nearby wetlands. PROPOSED IMPROVEMENTS Roadway Proposed roadway improvements for Rolling Oaks Circle include storm sewer, surmountable concrete curb and gutter, driveway restoration, and bituminous surfacing. The roadway is proposed to have a seven-ton design pavement section. In general, street widths in past reconstruction projects were replaced in kind or to City standard width. Due to the rising cost of construction and maintenance, the City is proposing to construct Rolling Oaks Circle to a width of 28 feet. The proposed width would be narrower than the City’s standard residential street width of 32 feet but will be 1 foot wider than the existing width. The benefits of the narrower street width from the City standard include additional green space or front yard, reduction in impervious area, reduction of assessments to benefiting properties, and reduction of natural resources required for construction of the roadway. Even though the City standard street width is 32 feet, numerous roadways within the City limits are less than 32 feet wide. In an effort to reduce impervious surface and long term infrastructure replacement costs, the City has begun utilizing 28 foot streets where appropriate. These streets are usually located in older residential neighborhoods or if they are located within a new residential development, environmental sensitivity necessitated their approval. Due to the narrower width, on street parking on both sides of the street can create a situation that disrupts the free flow of traffic. Vehicles may encounter one another in an area that has cars parked on both sides of the roadway. In those cases, on car must wait while the other car proceeds through the area. For low volume roadways, typically this would not be an issue. As demonstrated at the Traffic Safety Committee meeting on October 2, 2008, emergency vehicle travel is not prohibited by a 28 foot wide street. If a neighborhood agrees that one side of the roadway should be signed “No Parking”, the neighborhood can petition the City for this signage. G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 5 Typical 28’ wide street with parking on both sides The proposed standard city street section includes: 2 feet of granular borrow, 6 inches of Class 5 aggregate base, 2.5 inches of bituminous base course, and 1.5 inches of bituminous wear course. Sub- cutting the roadway and placement of the granular borrow enlarges the scope of the street reconstruction and increases the cost of the project. The typical street section is shown on Exhibit 2. The City’s geotechnical engineer has also provided an alternative street section that would provide some cost savings. The “economy” section would consist of no granular borrow section, 6-10 inches of Class 5 aggregate base, 2.5 inches of bituminous base course, 1.5 inches of bituminous wear course and placement of geotextile fabric. Due to poor soil conditions at the intersection of Rolling Oaks and CSAH 42, this section would not be used until approximately 700’ south of the intersection. Using the estimated unit prices in the engineer’s estimate, the cost savings using the “economy” section would be approximately $30,000. The savings is due to less granular borrow and sub-cutting of the roadway. The existing right-of-way is 50 feet wide on Rolling Oaks Circle. Right-of-entry agreements will be necessary for driveway and yard restoration due to the topography of the area. Roadway Networks and Cul-de-sac Considerations Rolling Oaks Circle is currently a long cul-de-sac with an approximate length of 1,300 feet. With larger parcels of land to the east of Rolling Oaks that would likely develop in the future, roadway networks were evaluated to better plan for future needs as shown on Exhibit 6. Staff evaluated the current length of the cul-de-sac as well as possible future roadway alignments. Per City Ordinance, maximum lengths for cul-de-sacs shall be 500 feet, unless site conditions warrant otherwise. The cul-de-sac on Rolling Oaks could be eliminated if the roadway is extended south once development takes place on the adjacent parcel. A new street connection is proposed approximately 800 feet south of County Road 42 on Rolling Oaks to serve the larger parcel of land once development occurs. This roadway connection would continue east and connect to the minor collector envisioned in the Comprehensive Plan. With this connection, the cul-de-sac length to the south end of Rolling Oaks would be approximately 500 feet, meeting the City’s ordinance requirements for a cul-de-sac. This connection would also eliminate the need to extend Rolling Oaks and the cul-de-sac can be kept in place. An evaluation of the roadway network was also completed for the property to the west of Rolling Oaks Circle. No roadway currently serves this property from Rolling Oaks. Bluebird Trail is a long residential street that dead ends on the western property line of the vacant property. In order to serve this property, Bluebird Trail would need be extended into the property. The current situation would lead to a creation of a long cul-de-sac at the end of Bluebird Trail. This length of cul-de-sac would not meet City standards. In order to eliminate the cul-de-sac situation when the property develops in the future, it is proposed that property be acquired to plan for a future connection of Bluebird Trail to Rolling Oaks Circle. The proposed connection point is shown on G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 6 Exhibit 6. The northern portion of the property at 14030 Rolling Oaks is proposed to be acquired for stormwater ponding needs of the project and later serve, when develop of the adjacent property occurs, as road right of way for the connection of Blue Bird to Rolling Oaks. The existing right of way at the cul-de-sac is 200’ in diameter. For comparison purposes, the City’s standard template for right of way around a cul-de-sac to be 120’ in diameter. The south end of Rolling Oaks Circle currently creates a 17 foot wide gravel loop around an island area. This center island area currently contains a number of mature trees. If the City followed its standard cul-de-sac template, these trees would need to be removed. As a way of minimizing impacts and save some of these trees, a one-way street is proposed to loop around the center island. The one way street would be built to a width of 16’ to minimize impacts and provide a cost savings. South end of Rolling Oaks Circle: Center island area with mature trees. Concrete Pavement Evaluation The use of concrete pavement was reviewed for this project. Although our geotechnical engineer is recommending concrete not be used for Rolling Oaks, analysis between concrete and bituminous was completed for information purposes. Concrete pavement typically costs more up front, but has less maintenance over time. An annualized life cycle cost analysis was performed to compare bituminous paving versus concrete paving for this project. The analysis revealed that concrete paving cost $0.64 per linear foot per year more than bituminous based on a 40 year service life. This amounts to a difference of nearly $40,000 over the 40 year service life for the .25 miles of street in this neighborhood based on a similar level of service. In addition to the cost difference for maintaining the pavement, future utility repairs will also cost more if concrete were utilized. The soils in this area need to be replaced under the streets for both the bituminous and concrete paving. If better soils were encountered, the upfront costs for concrete could be comparable to the cost of bituminous as soil correction under a concrete street is typically less than bituminous. Concrete must cure for a 5 day period before vehicles can travel on the pavement. Bituminous can be driven upon within 1 to 2 hours after placement. Using concrete paving presents access G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 7 challenges to the neighborhood. Citizen expectations regarding access would need to be adjusted if concrete were utilized. Sanitary Sewer Proposed sanitary sewer improvements are shown on Exhibit 3. Currently there is no sanitary sewer within the project area and new 8-inch PVC pipe will be installed to provide sanitary service. New manholes will be installed according to the guidelines outlined in the Public Works Design Manual. New 4 inch sanitary sewer services will be placed from the main to the property line. It will be the sole responsibility of the property owners to connect sanitary service from the property line to each individual home. Additional sanitary service will be installed to the property line for future lots. New sanitary sewer services for the properties on the project will be installed at the optimal location for connection into the homes. This will require additional survey and field verifications of the existing septic systems. Since Rolling Oaks Circle contains a number of larger parcels of land, sanitary service stubs will be installed to serve future lots in accordance with the City’s minimum lot size standards. A layout of possible future lots was evaluated by the City’s Engineering and Planning staff. As discussed in the evaluation of a plat on property east of Rolling Oaks, the northern 1/3 of the adjacent developable property is more ideally suited to be served through a connection that also serves Rolling Oaks. The mainline sanitary sewer on Rolling Oaks will be installed at a depth that will be sufficient to serve future development on parcels located to the east. The sanitary sewer at the south end of Rolling Oaks can be extended east to serve future property if deemed necessary. Any additional depth beyond 10 feet for the sanitary sewer will be paid for out of the Trunk Sewer Fund. Watermain Proposed watermain improvements are shown on Exhibit 4. Watermain currently exists at the intersection of Rolling Oaks and County Road 42. A watermain connection will be made at the intersection and 8” DIP watermain will be extended south on Rolling Oaks Circle to provide service for the properties. Water service connections will be placed from the main to the property line and new curb boxes will be installed. New hydrants and gate valves will be installed in accordance with the spacing guidelines outlined in the Public Works Design Manual. It will be the sole responsibility of the property owners to connect water service from the property line to each individual home. Since Rolling Oaks Circle contains a number of larger parcels of land, water service stubs will be installed to serve future lots in accordance with the City’s minimum lot size standards. A layout of possible future lots was evaluated by the City’s Engineering and Planning staff. Storm Sewer Proposed storm sewer improvements are shown on Exhibit 5. The storm sewer system improvements will consists of adding a storm sewer collection system designed to capture the 10-year event. Rolling Oaks Circle currently does not have a collection system, therefore the gravel roadway experiences erosion issues during rain events. A stormwater pond is proposed at the southwest corner of Rolling Oaks Circle and County Road 42. The pond would provide rate and volume control as well as meet water quality standards. Since the proposed pond would be G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 8 located on private property, property acquisition would be required. Funding for the stormwater pond would come from assessments as well as the stormwater quality fund. Erosion of gravel roadway Urban Reforestation Program A voluntary urban reforestation program is proposed to promote a dense urban forest canopy. While this solution is not expected to pay off in the near term, the water quality benefits of an urban forest are well documented. The proverb goes: “The best time to plant a tree is twenty years ago, the second best time is now.” A mature tree can use 200-1500 gallons of water a day in the summer, and the canopy can intercept rains before they even hit the pavement or other hard surface. The water use does not starve nearby plants for water however, because trees shade the soil below them and protect them from winds, soil evaporation is lessened. The caretaker effect of large trees, along with their ability to bind soils and prevent erosion makes trees very beneficial to water quality. The Urban Reforestation Program is intended to provide up to 2 trees to every volunteer homeowner for the cost of replacing the small stock in the City nursery. Two 2” trees could sell for $400-$600 at local greenhouses, but can be grown in the City nursery from cheaper bare root stock. The tree varieties will be selected, located, and cared for by the volunteer and planted by the City. Driveway Reconstruction Program As a part of the 2008 Reconstruction Project, the City introduced a driveway reconstruction program. Residents within the project area could reconstruct their driveway using the City’s Contractor. The driveway work was bid through the large City contract allowing for reduced pricing on the driveway work. Residents were required to pay the costs up front prior to construction based on the calculation and letter from the City’s Engineering Department. In 2013, the City revised the program in order to streamline the process. Private driveway bid items were still included in the project bids but estimates and payments for the private driveway was between the property owner and contractor. The City was not involved in the transaction except for auditing of the contractor’s quotes when requested by the property owner. This program in the revised form is proposed to be continued for the 2014 Improvement Projects G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 9 Street Lighting Street lighting is proposed to be installed on Rolling Oaks Circle. A total of three lights will be furnished and installed by the Shakopee Public Utilities at an estimated cost of $8,000. Street signage will also be replaced with this project. The street lighting and new signage will be an assessable component of the project. Typical street light Funding As a first time improvement it is proposed that the benefiting property owners will be assessed 100% for all cost associated with the project according to the Assessment Policy. Street Oversizing Fund, Water Quality Fund, and Sewer Fund expenditures are also expected for this project. Project Design The design of the project will utilize existing City staff. City staff is proposed to design three projects for construction in 2014. In addition to the Rolling Oaks project, staff will also design the Maplewood Street project and the Mushtown/Panama/Maple Lane project as well. It is anticipated that bid openings for these projects take place in March 2014. If a more aggressive timeline for bidding is desired, consultant assistance will be required. Future Subdivision A preliminary evaluation of possible future lot layout was performed by the City’s Engineering and Planning Departments and is shown on Exhibit 6. Minimum lot size of 12,000 square feet and minimum widths of 86 feet were used to layout out the possible future lots. Using City standard lot size and potential for future division of these larger parcels, there would be 22 assessable units on the project. The number of assessable units took into consideration the potential for some home sites to be demolished and the lot subdivided into multiple lots. FEASIBILITY From an engineering standpoint, this project is feasible, and can be accomplished as proposed. G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 10 Bituminous wear course paving on 150th Street Brooks Circle after sodding ESTIMATED COST The following costs were prepared based upon an Engineer’s Estimate (Exhibit 7) and are subject to change, depending on the final design of the project, required easements and/or right of way, soil conditions, bids received, and actual work performed. ITEM Street/Storm Sewer – Rolling Oaks* Watermain – Rolling Oaks Sanitary Sewer – Rolling Oaks** Land Acquisition City’s Indirect Costs*** TOTAL PROJECT COST COST $ 489,915.00 $ 98,280.00 $ 117,610.00 $ 60,000.00 $ 146,626.00 $ 912,431.00 *Includes street lights **Includes Oversizing Costs ***City’s Indirect Costs includes the following: Engineering Administration Financing FUNDING SOURCES AND SPECIAL ASSESSMENTS The area proposed to be assessed is every lot, piece, and parcel within the City limits benefiting from said improvement, whether abutting or not, within the following described areas: Rolling Oaks Circle G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 11 Specific property descriptions included in the above-described area, but not inclusive, are as follows: Eagle Ridge Acres The improvement cost can be assessed on a unit basis or front footage to the benefiting properties as per the Assessment Policy adopted by the City Council on February 21, 1989, and as amended. The following shows the assessment distribution for the project area. Both methods of assessments are shown. See Exhibit 8 for the preliminary assessment roll. Total Project Cost Total Sanitary Sewer Overdepth Water Quality Fund Street Oversizing Total Assessable Project Cost (100%) $ 912,431.00 $ 8,000.00 $ 25,000.00 $ 60,000.00 $ 819,431.00 Assessment – Unit Method Assessable Units Street/Storm Estimated Unit Assessment Street/Storm Assessable Units Utilities Estimated Unit Assessment Sanitary Estimated Unit Assessment Watermain Estimated Unit Assessment Assessment – Front Footage Method Assessable Footage Estimated Unit Assessment 22 Units $25,758.70/Unit 21 Units $6,383.00/Unit $5,652.20/Unit $37,794.00/Unit 2,835 LF $289/LF It is recommended that the unit method of assessment be used for this project. Properties that can be divided into multiple lots have been evaluated and will be charged the appropriate units of assessment. The proper sanitary sewer and water service will be installed for each existing and proposed future lot. Front footage assessment would create unequal assessments for those properties that have long narrow lots that will not have sufficient depth to create an additional lot. Along with the project costs, property owners will also have to pay connection charges when the services are connected to the City’s system. The charges are shown on the following table and G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 12 will add approximately $5,745.00 to the overall cost of the project to each property owner. The connection charges will not be included in the assessment but will be due upon utility service connections. Connection Charges: Met Council SAC $2,435 City SAC $600 City WAC $900 Water Meter $750 Water Tower Fee $1,000 Sewer/Water Inspection $60 Total $ 5,745.00 The cost estimate and funding sources for the project are summarized in the following table: ITEM COST ESTIMATE ASSESSMENT STREET OVERSIZE FUND SEWER FUND WATER QUALITY FUND Street/Storm Sewer $489,915.00 $464,915.00 $25,000.00 Watermain $98,280.00 $98,280.00 Sanitary Sewer $117,610.00 $109,610.00 $8,000.00 Indirect Costs $146,626.00 $146,626.00 Property Acquisition $60,000.00 $60,000.00 TOTAL $912,431.00 $819,431.00 $60,000.00 $8,000.00 $25,000.00 The total estimated project cost is $912,431.00 with an estimated assessment amount of $819,431.00. The oversizing cost is estimated at $8,000.00 and will be paid through the Trunk Sewer Fund. The property acquisition cost is estimated at $60,000 and will be paid through the Street Oversize Fund. G:\Recon_Projects\14-013 Rolling Oaks\Feasibility Report\2014 Rolling Oaks Feasibility Report.doc Page 13 PROJECT SCHEDULE The following project schedule outlines an approach to complete the assessable project in 2014: ACTIVITY DATE Accept Feasibility Study/Call for Public Hearing Oct. 28, 2013 Hold Informational Meeting Nov. 13, 2013 Conduct Public Hearing/Accept Project/Order Plans and Specifications Nov. 25, 2013 Hold Second Informational Meeting January 2014 Approve Plans and Specifications/Order Advertisements for Bids February 2014 Open Bids/Authorize Amount to be Assessed/Schedule Assessment Hearing March 2014 Conduct Assessment Hearing/Adopt Assessment Roll/Accept Bids/Award Contract April 2014 Begin Construction May 2014 Complete Base Course of Bituminous Pavement October 2014 Complete Final Course of Bituminous Pavement June 2015 CONCLUSION The proposed improvement is necessary, cost effective, and feasible from an engineering standpoint and should be made as proposed. The total estimated cost of the recommended improvements is $912,431.00. The estimated total project assessment amount is $819,431.00. The total cost of this project is proposed to be assessed to the benefiting property owners and the oversizing cost will be funded through the Trunk Sewer Fund and Street Oversize Fund. SCHEDULE 1 - STREET - ROLLING OAKS CIRCLE ITEM # SPEC. REF DESCRIPTION UNIT QTY UNIT PRICE TOTAL PRICE 1 2021.501 MOBILIZATION LUMP SUM 1 20,000.00$ 20,000.00$ 2 2101.501 CLEAR AND GRUB ACRE 0.2 9,000.00$ 1,800.00$ 3 2101.502 CLEAR AND GRUB TREE 12 300.00$ 3,600.00$ 4 2101.502 CLEAR AND GRUB (SHRUB)SHRUB 12 80.00$ 960.00$ 5 2104.505 REMOVE BITUMINOUS DRIVEWAY PAVEMENT SQ YD 160 3.50$ 560.00$ 6 2104.505 REMOVE CONCRETE WALK SQ YD 0 8.00$ -$ 7 2104.505 REMOVE CONCRETE DRIVEWAY PAVEMENT SQ YD 0 8.00$ -$ 8 2104.509 REMOVE SIGN POST EACH 1 35.00$ 35.00$ 9 2104.511 SAWING CONCRETE PAVEMENT (FULL DEPTH) LIN FT 0 5.00$ -$ 10 2104.513 SAWING BITUMINOUS PAVEMENT (FULL DEPTH) LIN FT 130 4.00$ 520.00$ 11 2104.521 SALVAGE & REINSTALL FENCE LIN FT 100 20.00$ 2,000.00$ 12 2104.521 SALVAGE & REINSTALL LANDSCAPE EDGING LIN FT 100 5.00$ 500.00$ 13 2104.521 SALVAGE & REINSTALL SPRINKLER SYSTEM LIN FT 40 30.00$ 1,200.00$ 14 2104.523 SALVAGE & REINSTALL MAILBOX EACH 10 85.00$ 850.00$ 15 2104.618 SALVAGE & REINSTALL RETAINING WALL SQ FT 40 25.00$ 1,000.00$ 16 2105.501 COMMON EXCAVATION CU YD 4815 13.50$ 65,002.50$ 17 2105.507 SUBGRADE EXCAVATION CU YD 800 13.50$ 10,800.00$ 18 2105.609 SELECT GRANULAR BORROW TON 9000 10.00$ 90,000.00$ 19 2105.526 SELECT TOPSOIL BORROW CU YD 580 28.00$ 16,240.00$ 20 2105.604 GEOTEXTILE FABRIC TYPE V SQ YD 0 2.00$ -$ 21 2105.543 3" MINUS 100% CRUSHED QUARRY LIMESTONE TON 80 21.00$ 1,680.00$ 22 2105.543 1 1/2" SCREENED CLEAN AGGREGATE TON 300 26.00$ 7,800.00$ 23 2112.501 SUBGRADE PREPARATION RS 15.8 350.00$ 5,530.00$ 24 2130.501 WATER DUST CONTROL M GAL 24 30.00$ 720.00$ 25 2211.501 AGGREGATE BASE CLASS 5 TON 2100 16.00$ 33,600.00$ 26 2232.501 MILL BITUMINOUS SURFACE (STREET-FULL DEPTH) SQ YD 0 2.00$ -$ 27 2232.501 MILL BITUMINOUS SURFACE (1.5")SQ YD 12 10.00$ 120.00$ 28 2357.502 BITUMINOUS MATERIAL FOR TACK COAT GAL 230 4.00$ 920.00$ 29 2360.501 TYPE SP 9.5 WEARING COURSE MIXTURE (3,B) TON 410 71.00$ 29,110.00$ 30 2360.502 TYPE SP 12.5 NON-WEARING COURSE MIXTURE (3,B) TON 710 60.00$ 42,600.00$ 31 2360.503 TYPE SP 9.5 WEAR CRS MIX (3,B) 3" THICK DRIVEWAY PAVEMENT SQ YD 160 25.00$ 4,000.00$ 32 2531.507 6" CONCRETE DRIVEWAY PAVEMENT SQ YD 0 38.00$ -$ 33 2531.501 CONCRETE CURB AND GUTTER, B618 LIN FT 0 10.50$ -$ 34 2531.501 CONCRETE CURB AND GUTTER, MOUNTABLE LIN FT 3100 9.50$ 29,450.00$ 35 2531.501 CONCRETE CURB AND GUTTER REPLACEMENT LIN FT 310 16.00$ 4,960.00$ 36 2540.601 TEMPORARY MAILBOXES LUMP SUM 1 700.00$ 700.00$ 37 2545.523 4" NON-METALLIC CONDUIT LIN FT 100 9.00$ 900.00$ 38 2563.601 TRAFFIC CONTROL LUMP SUM 1 1,500.00$ 1,500.00$ 39 2564.537 INSTALL SIGN TYPE SPECIAL (STREET NAME) EACH 1 250.00$ 250.00$ 40 2564.602 INSTALL STEEL POST EACH 1 55.00$ 55.00$ 41 2571.502 TREE 2.5" CAL B&B (VARIETY - SEE SPEC) TREE 5 350.00$ 1,750.00$ 42 2571.505 SHRUB 18" HT (VARIETY - SEE SPEC)SHRUB 5 60.00$ 300.00$ 43 2573.502 SILT FENCE, TYPE HEAVY DUTY LIN FT 900 2.50$ 2,250.00$ 44 2573.530 STORM DRAIN INLET PROTECTION EACH 6 150.00$ 900.00$ 45 2573.540 FILTER LOG TYPE WOOD FIBER BIOROLL LIN FT 25 4.50$ 112.50$ 46 2573.602 TEMPORARY ROCK CONSTRUCTION ENTRANCE EACH 1 1,200.00$ 1,200.00$ 47 2575.501 SEED AND MULCH - SEED MIXTURE 328 (TURF MIX) ACRE 0.2 3,200.00$ 640.00$ 48 2575.505 SODDING TYPE LAWN SQ YD 3200 3.20$ 10,240.00$ 49 2575.523 EROSION CONTROL BLANKETS, CATEGORY 3 SQ YD 200 1.30$ 260.00$ T SCHEDULE 1 (STREET) TOTAL 396,615.00$ EXHIBIT 7 ENGINEERS ESTIMATE CITY OF PRIOR LAKE 2014 ROLLING OAKS CIRCLE IMPROVEMENT PROJECT CITY PROJECT #14-013 ROLLING OAKS CIRCLE ENG EST 10/23/2013 5A SCHEDULE 2 - STORM SEWER - ROLLING OAKS CIRCLE ITEM # SPEC. REF DESCRIPTION UNIT QTY UNIT PRICE TOTAL PRICE 1 2104.501 REMOVE SEWER PIPE (STORM CULVERT) LIN FT 60 10.00$ 600.00$ 2 2451.607 PIPE BEDDING MATERIAL CU YD 30 18.00$ 540.00$ 3 2501.515 18" RC PIPE APRON WITH TRASH GUARD EACH 1 800.00$ 800.00$ 4 2501.515 21" RC PIPE APRON WITH TRASH GUARD EACH 1 900.00$ 900.00$ 5 2502.541 4" PERF TP PIPE DRAIN (WITH GEOTEXTILE FILTER SOCK) LIN FT 200 11.00$ 2,200.00$ 6 2503.511 15" CS (GALVANIZED) PIPE SEWER (STORM) LIN FT 0 22.00$ -$ 7 2503.541 15" RC PIPE SEWER CL V DESIGN 3006 (STORM) LIN FT 550 35.00$ 19,250.00$ 8 2503.541 18" RC PIPE SEWER CL V DESIGN 3006 (STORM) LIN FT 450 39.00$ 17,550.00$ 9 2503.541 21" RC PIPE SEWER CL V DESIGN 3006 (STORM) LIN FT 50 42.00$ 2,100.00$ 10 2503.602 CONNECT TO EXISTING STORM SEWER EACH 0 1,000.00$ -$ 11 2506.502 CONST DRAINAGE STRUCTURE DES (2'X3') (PLATE#301) EACH 3 1,600.00$ 4,800.00$ 12 2506.502 CONST DRAINAGE STRUCTURE DES 48-4022 (PLATE#300) EACH 4 1,900.00$ 7,600.00$ 13 2506.502 CONST DRAINAGE STRUCTURE DES 60-4022 (PLATE#302) EACH 1 3,200.00$ 3,200.00$ 14 2506.502 CONST DRAINAGE STRUCTURE DES 60-4020 (PLATE#300) EACH 0 2,800.00$ -$ 15 2506.502 CONST DRAINAGE STRUCTURE DES 72-4022 (PLATE#303) EACH 0 3,800.00$ -$ 16 2511.501 CLASS III RIPRAP CU YD 8 95.00$ 760.00$ 17 2576.500 STORM BASIN CONSTRUCTION LUMP SUM 1 25,000.00$ 25,000.00$ T SCHEDULE 3 (STORM SEWER)TOTAL 85,300.00$ SCHEDULE 3 - SANITARY SEWER - ROLLING OAKS CIRCLE ITEM # SPEC. REF DESCRIPTION UNIT QTY UNIT PRICE TOTAL PRICE 1 2105.601 DEWATERING LUMP SUM 1 1,000.00$ 1,000.00$ 2 2451.607 PIPE BEDDING MATERIAL CU YD 40 16.00$ 640.00$ 3 2503.602 CONNECT TO EXISTING MANHOLES (SAN) EACH 1 950.00$ 950.00$ 4 2503.602 CONNECT TO EXISTING SANITARY SEWER WYE EACH 1 400.00$ 400.00$ 5 2503.602 8"X4" PVC SDR 26 WYE EACH 22 160.00$ 3,520.00$ 6 2503.602 10"X4" PVC SDR 26 WYE EACH 0 210.00$ -$ 7 2503.603 4" PVC SEWER SDR 26 LIN FT 600 30.00$ 18,000.00$ 8 2503.603 8" PVC SEWER SDR 26 LIN FT 1500 48.00$ 72,000.00$ 9 2503.603 8" PVC SEWER SDR 35 LIN FT 0 48.00$ -$ 10 2503.603 10" PVC SEWER SDR 26 LIN FT 0 58.00$ -$ 11 2503.603 10" PVC SEWER SDR 35 LIN FT 0 58.00$ -$ 12 2506.501 SANITARY MANHOLE EXTRA DEPTH (>8FT) LIN FT 20 150.00$ 3,000.00$ 13 2506.502 48" DIAMETER SANITARY MANHOLE EACH 7 2,500.00$ 17,500.00$ 14 2506.602 TRACER WIRE ACCESS BOX DRIVEWAY CASTING ASSEMBLY EACH 3 200.00$ 600.00$ T SCHEDULE 5 (SANITARY)TOTAL 117,610.00$ SCHEDULE 4 - WATERMAIN - ROLLING OAKS CIRCLE ITEM # SPEC. REF DESCRIPTION UNIT QTY UNIT PRICE TOTAL PRICE 1 2105.601 DEWATERING LUMP SUM 1 1,000.00$ 1,000.00$ 2 2451.607 PIPE BEDDING MATERIAL CU YD 40 16.00$ 640.00$ 3 2504.602 CONNECT TO EXISTING WATER MAIN EACH 1 1,000.00$ 1,000.00$ 4 2504.602 HYDRANT WITH 6" GATE VALVE & BOX EACH 3 5,000.00$ 15,000.00$ 5 2504.602 8" GATE VALVE AND BOX EACH 2 1,900.00$ 3,800.00$ 6 2504.602 1" CORPORATION STOP EACH 22 210.00$ 4,620.00$ 7 2504.602 1" CURB STOP & BOX EACH 22 280.00$ 6,160.00$ 8 2504.603 8" WATERMAIN DUCTILE IRON CL 52 LIN FT 1300 36.00$ 46,800.00$ 9 2504.603 6" WATERMAIN DUCTILE IRON CL 52 LIN FT 30 31.00$ 930.00$ 10 2504.603 1" PE-4710 WATER SERVICE SDR-9 LIN FT 600 20.00$ 12,000.00$ 11 2504.603 WATER SERVICE TRENCH EXCAVATION LIN FT 0 6.00$ -$ 12 2504.608 DUCTILE IRON FITTINGS LBS 1350 4.20$ 5,670.00$ 13 2506.602 CURB STOP BOX DRIVEWAY CASTING ASSEMBLY EACH 3 220.00$ 660.00$ T SCHEDULE 6 (WATERMAIN)TOTAL 98,280.00$ TOTAL (13-011) 396,615.00$ 85,300.00$ 117,610.00$ 98,280.00$ TOTAL ESTIMATE 697,805.00$ SCHEDULE 4 - WATERMAIN - ROLLING OAKS CIRCLE SCHEDULE 1 - STREET - ROLLING OAKS CIRCLE SCHEDULE 2 - STORM SEWER - ROLLING OAKS CIRCLE SCHEDULE 3 - SANITARY SEWER - ROLLING OAKS CIRCLE ENG EST 10/23/2013 5A DE S C R I P T I O N : #1 4 - 0 1 3 R O L L I N G O A K S C I R C L E AS S E S S M E N T U N I T R A T E ( 4 0 % ) : AS S E S S M E N T U N I T R A T E ( 1 0 0 % ) : AS S E S S M E N T C O D E : IN T E R E S T R A T E : TE R M : 10 Y E A R S T R E E T S 20 Y E A R S U T I L I T I E S IN I T I A L Y E A R : AD D I T I O N A L I N T E R E S T : TO T A L U N I T S 22 S T R E E T S 21 U T I L I T I E S PA Y M E N T M E T H O D : EQ U A L P R I N C I P A L NO . LE G A L D E S C R I P T I O N PA R C E L A D D R E S S PA R C E L N U M B E R PR O P E R T Y O W N E R & A D D R E S S AS S E S S A B L E UN I T S ST R E E T AS S E S S M E N T WA T E R M A I N AS S E S S M E N T SEWER ASSESSMENTTOTAL ASSESSMENT AMOUNT 1 L7 , B 1 , E X T R I A N G A L O N G N ' E R L Y L I N E O F 7 - 1 (M E A S U R E 2 8 ' O N W L I N E T O 0 ' O N E L I N E , E A G L E RI D G E A C R E S 14 0 7 0 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 8 0 BU C H H O L Z E D I T H 14 0 7 0 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 2 5 1 , 5 1 7 . 3 8 $ 1 1 , 3 0 4 . 4 7 $ 1 2 , 7 6 5 . 9 6 $ 75,587.82 $ 2 O - L , B 1 , E X 1 0 0 ' X 2 0 0 ' , E A G L E R I D G E A C R E S 14 0 7 1 R O L L I N G O A K S C I R N E 25 0 5 2 0 1 0 0 ER I C K S O N G O R D O N R & L A Q U I T A M 14 0 7 1 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 4 1 0 3 , 0 3 4 . 7 6 $ 1 6 , 9 5 6 . 7 1 $ 1 9 , 1 4 8 . 9 4 $ 139,140.41 $ 3 L 5 , B 1 , E A G L E R I D G E A C R E S 14 1 5 0 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 6 0 JA R Z Y N A T O M & C A R O L 14 1 5 0 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 3 7 7 , 2 7 6 . 0 7 $ 1 6 , 9 5 6 . 7 1 $ 1 9 , 1 4 8 . 9 4 $ 113,381.72 $ 4 L 3 , B 1 , E A G L E R I D G E A C R E S 14 1 7 0 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 4 0 LU N S E R A L L E N C & N A N C Y M 14 1 7 0 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 1 2 5 , 7 5 8 . 6 9 $ 5 , 6 5 2 . 2 4 $ 6 , 3 8 2 . 9 8 $ 37,793.91 $ 5 O- L , B 2 , E X L Y I N G S ' E R L Y O F L N 2 0 ' O F N W C O R L 1 TO P T 4 0 ' S O F N E C O R L 1 & P / O L 1 L Y I N G N O F SA M E L N , E A G L E R I D G E A C R E S 14 1 7 5 R O L L I N G O A K S C I R N E 25 0 5 2 0 1 3 0 ME A D O W L A W N D E V E L O P M E N T C O R P 33 0 1 C O M O A V E S E MI N N E A P O L I S M N 5 5 4 1 4 5 1 2 8 , 7 9 3 . 4 6 $ 2 8 , 2 6 1 . 1 8 $ 3 1 , 9 1 4 . 9 1 $ 188,969.54 $ 6 L 4 , B 1 , E A G L E R I D G E A C R E S 14 1 6 0 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 5 0 QU I N N P A T R I C K J & M A R Y C 14 1 6 0 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 2 5 1 , 5 1 7 . 3 8 $ 1 1 , 3 0 4 . 4 7 $ 1 2 , 7 6 5 . 9 6 $ 75,587.82 $ 7 L8 , B 1 , P / O L O T 7 C O M W ' E R L Y C O R S 2 8 ' N E T O MO S T N ' E R L Y C O R W T O P O B , E A G L E R I D G E AC R E S 14 0 3 0 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 9 0 SA M E S P A T R I C K R & M A R G A R E T E 14 0 3 0 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 1 2 5 , 7 5 8 . 6 9 $ 5 , 6 5 2 . 2 4 $ 6 , 3 8 2 . 9 8 $ 37,793.91 $ 8 L 6 , B 1 , E A G L E R I D G E A C R E S 14 1 0 0 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 7 0 SM I T H T I M O T H Y P 14 1 0 0 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 2 5 1 , 5 1 7 . 3 8 $ 1 1 , 3 0 4 . 4 7 $ 1 2 , 7 6 5 . 9 6 $ 75,587.82 $ 9 L2 , B 1 , E X W ' E R L Y 4 0 ' O F S W ' E R L Y 3 0 ' O F 1 - 1 , E A G L E R I D G E A C R E S 14 1 8 8 R O L L I N G O A K S C I R N E 25 0 5 2 0 0 2 0 ST A T E S D A V I D C & J O Y C E C 14 1 8 8 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 1 2 5 , 7 5 8 . 6 9 $ 5 , 6 5 2 . 2 4 $ 6 , 3 8 2 . 9 8 $ 37,793.91 $ 10 O- L , B 1 , C O M I N T S E L I N E & N L I N E O F R D N W 11 0 ' T O P O B N W 1 0 0 ' N E 2 0 0 ' S E 1 0 0 ' S W 2 0 0 ' T O PO B 14 1 1 1 R O L L I N G O A K S C I R N E 25 0 5 2 0 1 1 0 ST O N E C U R T I S & S A L L Y 14 1 1 1 R O L L I N G O A K S C I R N E PR I O R L A K E M N 5 5 3 7 2 1 2 5 , 7 5 8 . 6 9 $ 5 , 6 5 2 . 2 4 $ 6 , 3 8 2 . 9 8 $ 37,793.91 $ 22 56 6 , 6 9 1 . 2 0 $ 11 8 , 6 9 6 . 9 4 $ 134,042.60 $ 819,430.75 $ Co n t a i n s e x i s t i n s u t i l i t y s e r v i c e s , 3 a s s e s s a b l e un i t s f o r u t i l i t i e s EX H I B I T 8 - P R E L I M I N A R Y A S S E S S M E N T R O L L Pa g e 1 ASSESSMENT CALCULATION ROLLING OAKS Total Project Costs Indirect Costs Total Schedule 1 Streets $396,615.00 $82,393.82 $479,008.82 Schedule 2 Storm Sewer $85,300.00 $17,720.44 $103,020.44 Schedule 3 Sanitary Sewer $117,610.00 $24,432.60 $142,042.60 Schedule 4 Watermain $98,280.00 $20,416.94 $118,696.94 Street Lights Xcel $8,000.00 $1,661.94 $9,661.94 Property Acquisition $60,000.00 $60,000.00 Total $765,805.00 $146,625.75 $912,430.75 Subtractions Storm Basin Construction $25,000 Property Acquisition $60,000.00 Sanitary Sewer Overdepth $8,000.00 Total Subtractions $93,000.00 Total for Street and Storm $566,691.20 Number of Units for Street/Storm 22 Assessment per Unit $25,758.69 Total for Sanitary Sewer $134,042.60 Number of Units for Sanitary Sewer 21 Assessment per Unit $6,382.98 Total for Watermain $118,696.94 Numver of Units for Watermain 21 Assessment per Unit $5,652.24 Total= $819,430.75 Ad Valorem $0.00 Bond Amount $819,430.75 Water Quality Fund $25,000.00 Utility Fund Sanitary $8,000.00 Street Oversize Fund $60,000.00 $912,430.75 140 th St Ne Blu e b i r d T r l N e Rolling Oaks Cir Ne D o v e C t N e M e a d o w l a w n T r l N e P a r t r i d g e C t N e Hummingb i r d T r l N e Exhibit - Assessments ² Minnesota 2013 This drawing is neither a legally recorded map nor a surveyand is not intended to be used as one. This drawing is acompilation of records, information and data from variouscity, county and state offices and other sources. This documentshould be used for reference only. No representation is madethat features presented accurately reflect true location. TheCity of Prior Lake, or any other entity from which data wasobtained, assumes no liability for any errors or omissions herein.If discrepancies are found, please contact the City of Prior Lake. 120 0 12060 Feet 1:1,800 14175MEADOWLAWN DEVELOPMENT CORP250520130(5 UNITS) 14071ERICKSON GORDON R & LAQUITA M250520100(4 UNITS) 14188STATES DAVID C & JOYCE C250520020(1 UNIT) 14170LUNSER ALLEN C & NANCY M250520040(1 UNIT) 14160QUINN PATRICK J & MARY C250520050(2 UNITS) 14150JARZYNA TOM & CAROL250520060(3 UNITS) 14100SMITH TIMO THY P250520070(2 UNITS) 14070BUCHHOLZ EDITH250520080(2 UNITS) 14030SAMES PATR ICK R & MARGARET E250520090(1 UNIT) 14111STONE CURTIS & SALLY250520110(1 UNIT) RO L L I N G O A K S C I R C L E 1 4 - 0 1 3 P r o j e c t e d P r o j e c t I n d i r e c t C o s t E s t i m a t e St a f f Public Works T o t a l Po s i t i o n WR E T e c h 3 T e c h 4 P E C E D A C i t y Ho u r l y R a t e * $5 2 $ 4 6 $ 5 2 $ 5 3 $ 7 7 $ 3 6 $ 4 0 Fe a s i b i l i t y a n d D e s i g n 80 4 2 0 1 0 0 2 0 0 8 0 4 0 4 0 Co n s t r u c t i o n 30 3 2 0 1 2 0 1 2 0 2 0 8 0 4 0 As - B u i l t s 12 0 4 0 2 4 2 0 8 0 To t a l 11 0 8 6 0 2 6 0 3 4 4 1 2 0 1 2 8 8 0 *1 . 5 O v e r h e a d F a c t o r To t a l C o s t $5 , 7 2 0 $ 3 9 , 5 6 0 $ 1 3 , 5 2 0 $ 1 8 , 2 3 2 $ 9 , 2 4 0 $ 4 , 6 0 8 $ 3 , 2 0 0 $94,080.00 Co n s u l t a n t D e s i g n $0.00 Bo r i n g s a n d P a v e m e n t a n a l y s i s $2,000.00 Su r v e y i n g $3,400.00 St a k i n g $10,000.00 Bo n d i n g ( 3 % S t r e e t / S t o r m C o s t ) $14,457.45 Ad m i n i s t r a t i o n 2 % $9,638.30 Pu b l i s h i n g $1,500.00 Ap p r a i s a l s $3,000.00 Pe r m i t s $550.00 Te s t i n g $8,000.00 Es t i m a t e d T o t a l P r o j e c t I n d i r e c t C o s t s $146,625.75 10/23/2013 EXHIBIT 9