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BOLTON & MENK Real People. Real Solutions. November 11, 2022 Mr. Bruce Westby, P.E. City Engineer / Interim Director of Public Works City of Ramsey 7550 Sunwood Drive NW Ramsey, Minnesota 55303 7533 Sunwood Drive NW Suite 206 Ramsey, MN 55303-5119 RE: Proposal for Engineering Services — Trott Brook Lift Station Improvement Project Ph: (763) 433-2851 Fax: (763) 427-0833 Bolton-Menk.com Dear Mr. Westby: Bolton & Menk, Inc. appreciates the opportunity to submit this proposal for professional engineering services related to the above referenced project. The project includes construction of a lift station, valve vault and forcemain. UNDERSTANDING A summary of the primary project components is presented below: Lift Station Site — The site is located in the southwest portion of the Makowsky Addition development area. Lift Station - A wet well structure will be installed to capture sanitary sewer flow from the Makowsky Addition development, along with areas to the north and east of the lift station site. The future sanitary sewer line to the east is estimated at 29 feet deep. The bottom of the lift station will be approximately 4 to 6 feet lower, or 33 to 35 feet deep. Valve Vault — The structure will be placed near the lift station. Forcemain — The forcemain will be installed from the lift station to an existing manhole located in Variolite Street. The estimated length of forcemain is 2,300 feet. Final sizing of the forcemain will be completed as a portion of the project design. Site Improvements — Improvements at the site will include an access drive and maintenance pad. We will work with the developer as we prepare the site grading plan. ASSUMPTIONS Our proposal is based on the best information available and accounts for minor scope revisions as the project moves forward. For clarity, we have listed a majority of the assumptions below as they relate to the project as a whole: Plans and Specifications will be prepared to allow for a public bidding process. Project specifications will be prepared using Bolton & Menk specifications. The Project Schedule will allow for 2023 bidding and construction. The Preliminary Construction Cost for the improvements is estimated at $1,375,000. Bolton & Menk is an equal opportunity employer.