Fire Flow Assessment & Capital Improvement Plan
Town of Lincoln
Fire Flow Assessment & Capital Improvement Plan
Lincoln, NH
The Town of Lincoln’s distribution system is hydraulically complex with six pressure zones, three water storage tanks, a water treatment plant, a well and five distribution booster pumping stations. Over the years, Hoyle Tanner has updated the Town’s water distribution hydraulic model using it to perform several impact analyses and development of recommendations for distribution system improvements. Hoyle Tanner also developed the water system asset management program for the Town. Working closely with Town fire and DPW staff, we performed an assessment of the system’s fire flow level of service identifying areas of inadequate fire flow rate and duration. Included was performance of hydrant flow tests throughout the system as well as elevation checking for updating the model calibration. This assessment was followed with development of a Capital Improvement Plan designed to improve both fire flow rate and duration throughout the system. The CIP included two new water storage tanks, two new pumping facilities, the addition of a pressure reducing valve and pipeline modifications and improvements – all prioritized in terms of cost and effectiveness. The CIP serves as a blueprint for long-term sustainability of the water distribution system to meet current and future needs.
- Report Preparation
- Hydraulic Analysis
- Study
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