Sewer Separation 1 Morrison_Capital Program Request_FY27 CIP — File 26-1156

Project Title: Project Address: Department: Project Mgr.: Email: New Project or Modification: Department Priority: Rank your project(s) in order of priority from your point of view. If you propose four projects, rank them 1, 2, 3, 4, with 1 being the highest, and so forth. Project Description/Scope of Work: Justification: Relationship to Other Projects: Category: Please check all appropriate boxes Architectural/Engineering Feasibility Study Architectural/Engineering Construction Document Services & Construction Admin Building Alteration/Repair/Renovation/Addition/New Construction Building Improvements (non-construction) Purchase of Equipment (incl. vehicles, office equipment, hardware, etc.) Information Technology Systems/Platforms (e.g. cloud based, internet based, etc.) Street/Sidewalk/Monument Improvements Water Improvements Sewer Improvements Land Development Land Acquisition Land Disposition Parks and Open Space Other Operational Impact: What impact will this project have on operational costs? Reduce Cost (greater than 5%) Reduce Cost (less than 5%) Cost Unchanged Increase Cost (less than 5%) Increase Cost (greater than 5%) Dan Amelin damelin@somervillema.gov The project will substantially improve the City's sanitary and stormwater systems to mitigate residential flooding and reduce combined sewer overflows. To achieve this goal, the work will include the following: multi-year design and engineering services, construction and installation of a series of stormwater storage culverts on Morrison Avenue, Grove Street, and Winslow Avenue. Additioanlly, water, sewer, and drainage upgrades will designed and built in the surrounding neighborhood. Required to assist the City's overall CSO and stormwater mitigation efforts. Please note any additional operational costs that may be the result of this project, e.g. the enlargement of a new building will require additional heating and cooling costs, additional custodial help, etc. IAM - Engineering CAPITAL IMROVEMENT PROJECT (CIP) REQUEST - FY27 FORM A - DESIGN & CONSTRUCTION Sewer Separation 1 - Sewershed CA: Morrison Ave Linear Storage, Greater Davis Square Area Sewer Separation - Flood Relief + CSO Mitigation Enabling Morrison Ave., greater Davis Square Necessary New Project First

Design and Construction Project Funding Total Estimated Cost Prior Years Funding FY 27 FY 28 FY 29 FY 30 FY 31 FY 32 Capital Costs: Feasibility Study $ - Land Acquisition/Appraisal $ - - - - - Environmental Remediation/LSP $ - Demolition & Site Clearance $ - - - - - Owner's Proj. Mgr./Clerk of the Works $ - Designer Services (SD through CA) $ 15,569,895 2,381,895 1,500,000 3,396,000 3,396,000 3,396,000 1,500,000 Construction $ 85,212,000 - 9,070,000 20,000,000 20,000,000 20,000,000 16,142,000 Insurance (builder's risk, addtl. Polices) $ - - Furniture & Equipment (FFE) $ - Police Details $ 2,250,000 250,000 500,000 500,000 500,000 500,000 Contingency $ - Other - Design Contingency $ 17,500,000 - 500,000 4,000,000 4,000,000 4,000,000 5,000,000 Other - Const. Contingency $ 9,860,500 - 860,500 2,500,000 2,500,000 2,500,000 1,500,000 Total: $ 130,392,395 $ - $ 13,062,395 $ 28,500,000 $ 30,396,000 $ 30,396,000 $ 26,538,000 $ 1,500,000 Please provide suggested sources. This section will be finalized jointly by Finance and the Department. Funding Sources: Prior Years Funding FY 27 FY 28 FY 29 FY 30 FY 31 FY 32 Stabilization Fund $ - $ - $ - $ - $ - $ - $ - $ - GO Bonds $ 130,392,395 $ - $ 13,062,395 $ 28,500,000 $ 30,396,000 $ 30,396,000 $ 26,538,000 $ 1,500,000 Retained Earnings $ - $ - $ - $ - $ - $ - $ - $ - General Fund $ - $ - $ - $ - $ - $ - $ - $ - Special Assmnt. $ - $ - $ - $ - $ - $ - $ - $ - Ch. 90 $ - $ - $ - $ - $ - $ - $ - $ - Grants $ - $ - $ - $ - $ - $ - $ - $ - Receipts Reserved $ - $ - $ - $ - $ - $ - $ - $ - Pay-Go $ - $ - $ - $ - $ - $ - $ - $ - Other - design bond 6421 $ - $ - $ - $ - $ - $ - Total: $ 130,392,395 $ - $ 13,062,395 $ 28,500,000 $ 30,396,000 $ 30,396,000 $ 26,538,000 $ 1,500,000 Evaluation Committee Use Only: Reviewed and Approved By: Version Requesting Department Date Draft Auditing Date Revised Purchasing Date Accepted Final Approval OPCC generated by Kleinfelder June 2026