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ARDEN HILLS CITY COUNCIL —FEBRUARY 13, 2017 4 8. NEW BUSINESS A. 2017 Trail Project and Old Snelling Water Main Improvement Project 17-W- 001 — Engineering Services Interim Assistant Public Works Director/City Engineer Polka stated an 8 -ft wide bituminous trail is proposed along the south side of County Road E2 to connect the existing bituminous trail that was recently constructed on the east side of Cleveland Avenue SW and the existing bituminous trial at New Brighton Road. Currently there is not a crosswalk at the New Brighton Road trail crossing. A pedestrian crossing and ramps are proposed to accommodate the trail entrance at this point. This bituminous trail will be approximately 655 -ft long. Initially staff considered extending the trail along the existing shoulder. After meeting with Ramsey County staff, they have indicated that they would consider 1) allowing the City to place bike trail symbol markings on the existing shoulder or 2) locating the trail in the boulevard behind the existing curb. If the council chooses to consider option 2, WSB would complete a topographic survey, prepare a preliminary alignment and cost estimate for further consideration. Interim Assistant Public Works Director/City Engineer Polka explained the Old Snelling Trail Improvements project proposes the addition of bituminous trails along County Road E (CR E) and Old Snelling Avenue. Previous engineering studies determined preliminary design for the trail on the south side of CR E between Freeway Park and Old Snelling Avenue and for the trail on the west side of Old Snelling Ave between CR E and Bethel Drive. A preliminary design for the trail segment was completed by Elfering Engineering with a preliminary total cost estimate of $882,000. Interim Assistant Public Works Director/City Engineer Polka indicated also proposed is the addition of a bituminous trail along the west side of Old Snelling Avenue between Bethel Drive and County Road E2 (CR E2). A feasibility study was completed in 2008 by Bolton & Menk for the Old Snelling Avenue Trail from SH 51 to CSAH 96. In the study, it was recommended to locate the trail along the west side of Old Snelling Avenue. The segment between Bethel Drive and CR E2 is identified as a 10' wide urban trail (directly behind the curb) with a retaining wall to minimize impacts which include driveways, steep slopes, landscaping and wetlands. Due to the need for wetland delineations, potential wetland impacts and mitigation requirements, and permitting, WSB has provided an alternate schedule in the event the project is delayed due to the permitting timeline. The preliminary estimate for the trail, including project costs is $700,000. Interim Assistant Public Works Director/City Engineer Polka reported the 2017 CIP includes a project for CR E2 Water Main Replacement/Old Hwy 10 Water Loop. The purpose of this project is to replace existing 12" water main on CR E2 from Old Snelling Ave to Valentine Hills School as the main has experienced numerous breaks due to deterioration of the pipe material. Due to the location of the existing water main on CR E2, the existing trail will also need to be replaced. In addition, completion of a water main loop on Old Snelling Avenue from CR E2 to CR E will provide redundancy in the system and no longer require temporary feeds in the system or loss of service in the event of breaks in other areas. The completion of the water main loop is also required to supply water to the TCAAP site. The CIP identifies $400,000 for this project to be paid from the water fund. The current estimate is approximately $500,000 if directional drilling