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This report is an output of the fourth research track (Track 4) of WERF’s strategic asset management research program ‘Asset Management Communication and Implementation’ (RFPP #06-SAM-1 CO). Track 4 was developed to address ‘remaining asset life’, with the overall objective of contributing to the development of techniques, tools and methods for estimating residual life of wastewater assets. Track 4 research was planned to be undertaken in a staged manner, so as to provide a stepwise development of concepts and protocols. To this end, the research team previously produced a synthesis of knowledge in relation to “end of life” and “remaining asset life”. This report builds on this material and presents a road map for building asset management capacity through the development of a practitioners guide to economic decision making.
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Protocols for Assessing Condition and Performance of Water and Wastewater Assets
The purpose of this research was to provide a road map for the effective use of condition and performance assessment tools and techniques by water and wastewater utilities within the...
Remaining Asset Life: A State of the Art Review
This report is an output of the fourth research track (Track 4) of WERF’s strategic asset management research program ‘Asset Management Communication and Implementation’ (SAM1R06). Track 4...
A Practitioner's Guide to Economic Decision Making in Asset Management: Background and Guidance
For many water service providers (WSPs), meeting the financial demands of maintaining, extending and upgrading infrastructure systems is increasingly challenging. Furthermore,...
Technologies for Sidestream Nitrogen Removal
Liquid streams (“reject water” or “sidestream”) generated by the dewatering of digested solids generally contain high levels of ammonia and phosphorus. These liquids can be treated in separate or...
Producing Class A Biosolids With Low-Cost, Low-Technology Treatment Processes
Class A biosolids can be produced using low-cost, low-technology biosolids treatment processes including lagoon storage, air drying, and cake storage. This project reviewed the available...
Sensor Technology for Water Quality Monitoring: Bioluminescent Microorganisms
Biological wastewater treatment plants can be adversely affected by influent toxicity. The effects can range from poor clarifier biomass settling and elevated effluent BOD and ammonia levels to...
Underground Utility Locating Technology: Synthesis Report
Accurate locations of buried utility infrastructures are very important for utility owners, highway managers and engineers, designers, and contractors. A lack of reliable information on...
Research Digest: Decision Analysis/Implementation Guidance Asset Management Tools Development, Phase 3
In 2006, at the direction of its members through a series of facilitated national focus groups, WERF launched a multi-year research and development project to...
Non-traditional Indicators of System Performance
The use of real-time sensors and supervisory control and data acquisition (SCADA) systems has become commonplace in large centralized wastewater treatment systems. On-line sensors and SCADA...
Pharmaceuticals in the Environment
About 4000 medical compounds are being used in the drugs applied today. It is estimated that worldwide consumption of active compounds amounts to some 100 000 tons or more per year. Consequently,...
Anaerobic Membrane Bioreactors for Sustainable Wastewater Treatment
Sustainable water management is increasingly important for utilities and is driving efforts to reduce energy consumption and residuals production in domestic wastewater (DWW) treatment without...
Design, Operation and Economics of Large Wastewater Treatment Plants
This book emphasizes the growing interest in the design and operation of large wastewater treatment plants throughout the past decades. The outstanding role of LWWTPs nowadays results from the...