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Home My WebLink About6.o. Authorize Preperations of Plans & Specifications-Glendalough 7th Addition City Project #401AGENDA ITEM: Authorize Preparation of Plans and Specifications Glendalough 7 Addition, City Project #401 AGENDA SECTION: Consent PREPARED BY: Andrew J. Brotzler, P E., City Engineer AGEND`N e. 6 ATTACHMENTS: Resolution APPROVED BY: lay RECOMMENDED ACTION: Motion to Adopt a Resolution Authorizing the Preparation of Plans and Specifications for Glendalough 7 Addition, City Project #401. 4 ROSEMOUNT CITY COUNCIL City Council Meeting: February 7, 2006 BACKGROUND: On August 17, 2004 the Rosemount City Council authorized the preparation of a feasibility report for the Evermoor's Glendalough 5th 10th Additions Street and Utility Improvements and Appurtenant Work as part of City Project #389. Evermoor's Glendalough 5` 10` Additions is a contmuauon of the Everrnoor Glendalough neighborhood The development consists of 188 single- family residenual units located on 97.45 acres located along the north side of Connemara Trail and west of Dodd Boulevard. The Glendalough Additions are located in the northeast corner of the Evermoor tract and these additions represent the last remaining areas in the Evermoor project. The Glendalough 7th Addition is the next phase of the development to be completed, and is compnsed of 32 single- family residential units. This project has been designated as City Project No. 401. The proposed improvements include the construction of city streets that include concrete curb and gutter and 5 -foot concrete sidewalks 8 -foot bituminous pathways will also be constructed as part of adjacent park facilities Utility improvements include the construcuon of lateral sanitary sewer mains; watermams, lateral storm sewer systems, and a regional storm sewer lift station and force main system 1. Streets EXECUTIVE SUMMARY City streets to be constructed as a part of Evermoor's Glendalough 7th Addition include. Carrach Avenue will be extended to connect to Connemara Trail at the existing east stub road, Carlingford Lane (a road to the north off of Carrach Avenue., along the east side of the tract, to 134 Street West), and 134` Street West (a short west -east road connecting Coachford Avenue, Carhngford Lane and providing access to the east tract hne). Private Streets will also be constructed as part of the proposed site improvements. These streets include: Carhngford Way (a second short loop road inside the southwest corner of Carrach Avenue, near Connemara Trail), and G \ENGPROJ \401 \AuthPln &SpecCC2 -7 -06 doc All proposed public streets are to be constructed to a width of 28 -feet with modified `S' (surmountable) concrete curb and gutter and with sidewalks along both sides All proposed pnvate streets are to be constructed to a width of 24 -feet with modified `S' (surmountable) concrete curb and gutter Parking will not be allowed along the private streets. Bituminous paths will be constructed within adjacent park areas as part of the site improvements. 2. Sanitary Sewer Samtary sewer service for Evermoor's Glendalough 7th Addition development will be provided from an existing force main stub that was constructed m the existing section of Carrach Avenue along with the Glendalough 6th Addition Street and utility unprovements. 8 -inch sanitary sewer mains will be constructed m the internal roadways as needed to provide for sanitary sewer service throughout the proposed Evermoor's Glendalough 7th Addition development. 3. Watermain Water service will be extended from the existing Rosemount Water System. These proposed improvements are in accordance with the Rosemount Water Supply and Distribution Plan 8 -inch ductile iron pipe (DIP) watermam will be constructed in each internal roadway as needed to provide water service to the individual lots and to allow for looping throughout the proposed Evermoor's Glendalough 5` 10` Additions development. Fire hydrants will be installed along City streets m accordance with City Standards. 4. Storm Sewer The proposed storm sewer improvements include the construction of lateral storm sewer systems to serve both the pubhc and private road rights -of -way. The site storm sewer systems will be designed for a 10- year rainfall event. Most of the stormwater runoff from the site will be directed to a large existing closed depression along the north side of the tract This area has been designated as a regional stormwater management pond area in the Comprehensive Stormwater Management Plan A lift station and force main system will provide the controlled outlet for this area and will connect with an existing 18 -inch DIP force main stub constructed as part of the Connemara Trail storm sewer system 5. Funding The total estimated project cost is $2,844,400 which includes a 7.5% contingency and 30% indirect costs. The funding for the lateral public improvements will be collected from the developer, Lundgren Brothers Construction, and will fund 100`% of project costs for streets, samtary sewer, watermam, and storm sewer. Construction of the storm sewer lift station and force main system will be shared between Lundgren Brothers Construction and Storm Sewer Trunk Funds, with City funds covering over -sizmg pro -rated by percentage of contributing drainage area. 6. Schedule It is anticipated that the pubhc improvements for Evermoor's Glendalough 7th Addition, will be started in the spring of 2006 and fully completed, including all restoration items except the bituminous wear course by summer of 2006. The schedule for completion of the remaining Additions of Evermoor's Glendalough development will be detemuned by the developer, Lundgren Brothers Construction 2 SUMMARY: Staff is requesting that the City Council adopt the attached resolution ordering the project and authorizing the preparation of plans and specifications for City Project #401. 3 ADOPTED this 7th day of February, 2006. ATTEST: CITY OF ROSEMOUNT DAKOTA COUNTY, MINNESOTA RESOLUTION 2006 A RESOLUTION AUTHORIZING THE PREPARATION OF PLANS AND SPECIFICATIONS FOR GLENDALOUGH 7 STREET AND UTILITY IMPROVMENTS CITY PROJECT #401 WHEREAS, pursuant to the resolutions of the Council adopted on August 17, 2004, a report was prepared by the City Engineer with reference to the improvement of Evermoor Glendalough 5th -10th Street and Utility Improvements City Project #389, and this report was received by the Council on January 18, 2005, and WHEREAS, the report provides information regarding whether the proposed projects are necessary, cost effective, and feasible NOW THEREFORE BE IT RESOLVED BY THE CITY COUNCIL OF ROSEMOUNT, MINNESOTA: 1. Such improvements are hereby ordered as proposed in the Feasibility Report for the project. 2. The City Engineer is hereby ordered to prepare plans and specifications for the making of such improvements within the Glendalough 7 Addition. 1 William H Droste, Mayor Linda Jentink, City Clerk Motion by: Seconded by: Voted in favor: Voted against: