Water System Master Plan Prepared for: Town of Framingham, MA Prepared by: Stantec Consulting Services Inc., Burlington, MA December 2017 WATER SYSTEM MASTER PLAN Table of Contents 1.0 OVERVIEW ..................................................................................................................... 1.1 1.1 BACKGROUND .................................................................................................................. 1.1 1.2 PURPOSE AND OBJECTIVES ............................................................................................. 1.2 2.0 WATER DISTRIBUTION SYSTEM ....................................................................................... 2.1 2.1 WATER SYSTEM HISTORY ................................................................................................... 2.3 2.2 DISTRIBUTION SYSTEM........................................................................................................ 2.3 2.3 PRESSURE ZONE ................................................................................................................. 2.7 2.3.1 Town Zone ....................................................................................................... 2.8 2.3.2 Beebe Zone (Northwest High Service) ....................................................... 2.8 2.3.3 Goodnow Zone (Southwest High Service) ................................................ 2.8 2.3.4 Doeskin Hill Service Area............................................................................... 2.8 2.3.5 William J. Heights Boosted Zone .................................................................. 2.8 2.4 WATER SUPPLY SOURCE ................................................................................................... 2.8 2.5 PUMPING STATIONS .......................................................................................................... 2.9 2.5.1 Edgell Road Pump Station ........................................................................... 2.9 2.5.2 Pleasant Street Pump Station ...................................................................... 2.9 2.5.3 Elm Street Pump Station ................................................................................ 2.9 2.5.4 Grove Street Pump Station ......................................................................... 2.11 2.5.5 Goodnow Lane Booster Station ................................................................ 2.11 2.5.6 Doeskin Hill Booster Station ......................................................................... 2.11 2.5.7 William J. Heights Booster Station .............................................................. 2.11 2.6 EMERGENCY CONNECTIONS ........................................................................................ 2.12 2.7 PRESSURE REDUCING VALVE ......................................................................................... 2.14 2.8 STORAGE .......................................................................................................................... 2.14 2.8.1 Beebe Tank (0.3 MG) .................................................................................. 2.15 2.8.2 Beebe Tank (1 MG) ..................................................................................... 2.15 2.8.3 Indian Head Tank ......................................................................................... 2.15 2.8.4 Merriam Hill Tank .......................................................................................... 2.15 2.8.5 Goodnow Elevated Tank ........................................................................... 2.16 2.8.6 Doeskin Hill Tank ........................................................................................... 2.17 3.0 WATER REQUIREMENTS ................................................................................................. 3.1 3.1 HISTORICAL POPULATION ................................................................................................ 3.1 3.2 POPULATION PROJECTIONS ............................................................................................ 3.2 3.2.1 Potential Growth Areas ................................................................................. 3.3 3.2.2 Summary .......................................................................................................... 3.2 3.3 WATER CONSUMPTION .................................................................................................... 3.4 3.3.1 Residential Water Consumption .................................................................. 3.4 3.3.2 Non-Residential Water Consumption ......................................................... 3.5 3.3.3 Unaccounted-for-Water ............................................................................... 3.5 3.4 WATER REQUIREMENTS ..................................................................................................... 3.6 3.4.1 Average Day Demand ................................................................................. 3.6 i WATER SYSTEM MASTER PLAN 3.4.2 Maximum Daily Demand.............................................................................. 3.7 3.4.3 Peak Hour Demand ....................................................................................... 3.8 4.0 FIRE FLOW REQUIREMENTS AND FIELD TESTING ........................................................... 4.1 4.1 GENERAL ............................................................................................................................ 4.1 4.2 FIRE FLOW REQUIREMENTS ............................................................................................... 4.1 4.4 FIRE HYDRANT FLOW TESTS .............................................................................................. 4.3 5.0 HYDRAULIC MODEL ...................................................................................................... 5.1 5.1 GENERAL ............................................................................................................................ 5.1 5.2 REVIEW OF EXISTING WATER SYSTEM HYDRAULIC MODEL .......................................... 5.1 5.3 WATER SYSTEM PIPE NETWORK UPDATES ....................................................................... 5.1 5.4 WATER SYSTEM HYDRAULIC MODEL UPDATES .............................................................. 5.2 5.4.1 Water Demand Allocation ........................................................................... 5.2 5.4.2 Node Elevations ............................................................................................. 5.2 5.4.3 C-Value Assignment ...................................................................................... 5.2 5.5 CALIBRATION OF THE HYDRAULIC MODEL .................................................................... 5.3 6.0 ADEQUACY OF DISTRIBUTION SYSTEM ........................................................................ 6.1 6.1 GENERAL ............................................................................................................................ 6.1 6.2 PRESSURE REQUIREMENTS ................................................................................................ 6.1 6.3 ADEQUACY OF DISTRIBUTION SYSTEM ........................................................................... 6.1 6.3.1 Peak Hour Demand Condition .................................................................... 6.1 6.3.2 Fire Flow Conditions ....................................................................................... 6.3 6.3.3 Growth Areas .................................................................................................. 6.5 7.0 WATER DISTRIBUTION SYSTEM IMPROVEMENTS ........................................................... 7.1 7.1 UNLINED WATER MAINS ................................................................................................... 7.1 7.2 TRANSMISSION MAINS ...................................................................................................... 7.2 7.3 PARALLEL MAINS TO BE ABANDONED ........................................................................... 7.2 7.4 AREAS OF FREQUENT WATER MAIN BREAKS ................................................................. 7.3 7.5 WATER MAIN OBSTRUCTIONS .......................................................................................... 7.5 8.0 DISTRIBUTION STORAGE ................................................................................................ 8.1 8.1 ADEQUACY OF DISTRIBUTION STORAGE ....................................................................... 8.2 8.1.1 Equalizing Storage ......................................................................................... 8.2 8.1.2 Fire Flow Storage ............................................................................................ 8.2 8.1.3 Total Storage Requirements ......................................................................... 8.3 8.1.4 Useable Storage ............................................................................................. 8.3 9.0 EVALUATION OF PUMPING FACILITIES ........................................................................ 9.1 9.1 PUMP STATION INSPECTIONS ........................................................................................... 9.1 9.1.1 Edgell Road Pump Station ........................................................................... 9.1 9.1.2 Pleasant Street Pump Station ...................................................................... 9.2 9.1.3 Elm Street