ON-DEMAND WEBINAR: Horizontal Directional Drilling of Raw Water Intakes into Long Pond, Falmouth, MA

ON-DEMAND WEBINAR: Horizontal Directional Drilling of Raw Water Intakes into Long Pond, Falmouth, MA

Ryan Neyland, P.E., Project Manager, presented this webinar on Horizontal Direction Drilling of Raw Water Intakes into Long Pond, Falmouth MA. Regulatory and customer-based drivers led the Falmouth Water Department to construct a new water treatment plant (WTP) at Long Pond.  Due to the location of the new WTP in relation to the existing pump station facility and intake, new intakes and a raw water pump station were needed to pump water from Long Pond to the WTP.  This presentation will discuss pipe and screen installation utilizing horizontal directional drilling methods to minimize any potential impacts to the pond during construction.

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Canaan, VT and Stewartstown, NH Shared Wastewater Treatment Facility Improvements Whitepaper

wastewater treatment facility improvements whitepaperCanaan, VT and Stewartstown, NH Shared Wastewater Treatment Facility Improvements Whitepaper

Abstract: The Towns of Canaan, Vermont and Stewartstown, New Hampshire operate a shared wastewater treatment facility, which required significant upgrades. The existing facilities were 40 years old and although a few upgrades were performed in the 90s, the facilities were not performing well, did not meet Life Safety codes, and required significant maintenance. The economical upgrade met all of the goals of the Client by providing for simple operation and maintenance requirements, meeting the Life Safety codes, eliminating confined spaces, lowering of electrical power costs, and meeting discharge parameters through production of high quality effluent.


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Manganese Filtration Using Biological Pressure Filtration Whitepaper

Manganese Filtration Using Biological Pressure Filtration Whitepaper

Abstract: Manganese levels of the Home Farm Wells in Shrewsbury have exceeded the Secondary Maximum Contaminant Levels and Health Advisory limits. Various treatment options were evaluated and based on loading rates, removal efficiencies, and estimated costs, biological pressure filtration was selected. This paper provides an overview of the results of the pilot testing, design criteria, and funding assistance.

 

 

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Town of Paxton, Massachusetts Distribution System Evaluation and Improvements

Town of Paxton, Massachusetts Distribution System Evaluation and Improvements

ABSTRACT: In 2012, the Town of Paxton, MA was experiencing significantly reduced chlorine residuals in the extremities of the system along with an aging water tank that required extensive rehabilitation. As a result, the Paxton Department of Public Works (DPW) determined the need to create an extended period simulation (EPS) hydraulic model to evaluate the water age and water quality in the distribution system. The study examined the residual chlorine concentrations and water age throughout the distribution system and presented various options to help mitigate these issues, including replacing the aging tank and adding a chlorine booster pump station at the existing site. Construction of the new tank and pump station was completed in the summer of 2016.

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Pipe Condition Assessment Whitepaper

Pipe Condition Assessment Whitepaper

ABSTRACT: Pipe condition assessment combined with break data for New England communities allows for continued analysis of problem pipes in distribution systems.  This whitepaper outlines the research completed and the data collected to help pinpoint the next problematic pipe cohort.

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Unidirectional Flushing Programs – A Yearly History Lesson Whitepaper

Unidirectional Flushing Programs – A Yearly History Lesson Whitepaper

ABSTRACT: A unidirectional flushing (UDF) program when properly performed can provide a unique chronological account of flow through the distribution system.  While a UDF program cleans the loose debris from individual mains, it also identifies closed and/or malfunctioning valves and provides data relative to pipe friction factors.  Performed year after year, a UDF program can identify the effect of recent system improvements or deterioration through comparison of annual data.

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ON-DEMAND WEBINAR: MS4 Compliance

ON-DEMAND WEBINAR: MS4 Compliance

PROACTIVE PREPARATION: A Small Community’s Approach Toward MS4 Compliance

stormwater_street_drainJon Gregory, P.E., Project Manager, presented this webinar on MS4 compliance. The Town of Leicester is similar to many small towns in Massachusetts in terms of the search for funds and resources for compliance with the impending new MS4 Permit.  The Town is currently using a small yearly stormwater-dedicated budget and any free municipal worker time to start proactively working towards compliance rather than waiting for the final Permit to be administered. The webinar discusses tasks ongoing and completed working towards future Permit compliance, as well as available and used resources from a local stormwater coalition, Central Massachusetts Regional Stormwater Coalition, in which Leicester has been an active member for the last three years.  Topic include components of an IDDE Program, ordinances, good housekeeping in municipal operations, communication with municipal leaders, and collaboration with local stormwater groups. The webinar is approximately 30 minutes.

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ON-DEMAND WEBINAR: Water Loss Control

ON-DEMAND WEBINAR: Water Loss Control

Moving Beyond Unaccounted-for Water Using the New M36 Methodology

waterleaks1Steve Rupar, P.E., Vice President and Manager of Tata & Howard’s Waterbury, CT office, gave a webinar of new approaches to water loss control based on the latest revisions to methodology in AWWA M36. The webinar used information from case studies to illustrate that water loss control is about more than just finding and stopping leaks. New performance indicators and tools have been developed that can help utilities understand and reduce water loss in a cost-effective manner. The webinar is approximately 30 minutes.

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Water Storage Tanks: Hydraulic Modeling and Water Quality Considerations

Water Storage Tanks: Hydraulic Modeling and Water Quality Considerations

Abstract:
A hydraulic model can be used for extended period simulations (EPS) and the EPS models can be used to determine water age in the distribution system. The Town of Paxton, Massachusetts was having some issues maintaining a chlorine residual so Tata & Howard completed a study looking at water age and chlorine residual, and developed recommendations to help them improve system water quality.

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Water and Wastewater System Energy Audits – Case Studies for Flagstaff, Arizona and the Kachina Village Improvement District

AZ_Beauty_3Water and Wastewater System Energy Audits – Case Studies for Flagstaff, Arizona and the Kachina Village Improvement District

Abstract:
In Arizona, the Arizona Public Service (APS) estimates that water systems use 1/7th of all the power used in the State. From the APS testing program, it is estimated that 60 to 70 percent of all pumps have tested below industry standards and that changes in operations are needed to operate more efficiently. This presentation discusses the findings associated with energy studies completed for a small water supply system (Kachina Village Improvement District) and for a large system (City of Flagstaff, Arizona). The studies show that any water and/or wastewater system, regardless of size can benefit from an energy audit. The studies resulted in significant annual savings, potential rebates from APS to offset replacement costs, high return on investments, while promoting green initiatives.

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