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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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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...
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...
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,...
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...
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...
Surface Complexation Modelling and Aluminum Mediated Phosphorus White Paper
Nutrient removal, specifically phosphorus, is an important objective during wastewater treatment. Chemically mediated phosphorus involves adding metal salts (Al3+, Fe2...
Energy Efficiency in Value Engineering: Barriers and Pathways
Value engineering is a technique that wastewater treatment facilities (WWTFs) currently use, when required, to analyze cost reduction and performance optimization opportunities. The research...
Reduction of Pathogens, Indicator Bacteria, and Alternative Indicators by Wastewater Treatment and Reclamation Processes
In wastewater reclamation systems, microbiological monitoring is conducted to ensure that the users of reclaimed water are exposed to minimal risks from exposure to pathogens. Typically, utilities...
Public Communication: Perceptions and Early Communications Tools
Public understanding leading to support for investment in aging water infrastructure is absolutely essential in order to close the “gap” between projected and current funding levels. In response...
Dynamical Modelling & Estimation in Wastewater Treatment Processes
Environmental quality is becoming an increasing concern in our society. In that context, waste and wastewater treatment, and more specifically biological wastewater treatment processes play an...
CARE-S
CARE-S presents the result of an extensive EU project, Computer Aided Rehabilitation of Sewer and Storm Water Networks. The projects developed a complete management system for...
Numerical and Experimental Characterizations of Dose Distributions in UV Disinfection Systems
UV photoreactors, especially those used for disinfection, have emerged as important alternatives to conventional treatment operations. UV dose represents the master variable in governing the...