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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...
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...
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,...
Pilot Testing of Membrane Zero Liquid Discharge for Drinking Water Systems
Increasing demand for potable water in Colorado has forced drinking water utilities to consider utilizing water from lower quality sources. These lower quality sources...
Use of Enhanced Biological Phosphorus Removal for Treating Nutrient-Deficient Wastewater
Anaerobic/aerobic (AnA) and completely aerobic (CA) laboratory-scale sequencing batch reactors operating on an acetate- and casamino acids-based synthetic wastewater were used to...
Inspection Guidelines for Ferrous Force Mains
The objectives are:
Application and Optimization of the Galvano-Coagulator Process To Heavy Metal Waste Streams
The galvano-coagulator is a technology developed in the former Soviet Union in the 1980s. The major feature of the technology is that it appears to be an effective process in hexavalent chromium...
Improving Water Supply Networks: Fit for Purpose Strategies and Technologies
Knowing how to manage the losses from water supply networks and how to get to the next level in bettering your system is a major problem and one that is most common in the majority of water...
Post-Project Monitoring of BMP's/SUDS to Determine Performance and Whole-Life Costs
Over the past 20 years, the use of Best Management Practices (BMPs) in the United States has been instrumental in reducing both the detrimental impacts to receiving water quality and the...
Fats, Roots, Oils, and Grease (FROG) in Centralized and Decentralized Systems
Fat, oil, and grease (FOG) is generated everyday by food preparation and cleaning activities conducted at commercial establishments and, on a smaller scale, by residential sewer usage. Another...
Modeling Onsite Wastewater Systems at the Watershed Scale: A User's Guide
The purpose of this User’s Guide is to provide guidance on modeling watershed-scale problems associated with decentralized wastewater-treatment systems (DWTS), with a particular focus on onsite...