sewer maintenance Articles
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Research of the performance of pulse electrohydrodynamics in blockage removal
In line with contemporary trends and seeking to develop new methods and technologies, a new, original technology was explored and designed based on a non-conventional process of electrical pulse discharge in a water chamber, referred to as ‘Pulse Electrohydrodynamic Technology’ (PELHYDT). The application of the PELHYDT in sewer blockage removal is presented in this paper. Existing machinery can ...
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On the preventive management of sediment-related sewer blockages: a combined maintenance and routing optimization approach
In this work we tackle the problem of planning and scheduling preventive maintenance (PM) of sediment-related sewer blockages in a set of geographically distributed sites that are subject to non-deterministic failures. To solve the problem, we extend a combined maintenance and routing (CMR) optimization approach which is a procedure based on two components: (a) first a maintenance model is ...
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A new vision on the condition of city of Toronto’s sewer networks
Situation And Objectives After the amalgamation of Toronto in 1998, Toronto Water – the department in charge of managing the combined infrastructure systems – was mandated to consolidate all underground facilities data and centralize sewer inspection processes on behalf of the newly merged city. Ten years later, a great deal of work in this regard remained undone. It was a monumental ...
By CTSpec Inc
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FOG Waste receiving and processing facility design considerations
Fats, Oils, and Grease (FOG) wastes and high-strength wastes (HSW) are frequently received at municipal water resource recovery facilities (WRRFs) as trucked-in wastes. These wastes offer significant benefits in terms of revenue from tipping fees and feedstock for co-digestion in anaerobic digesters that produce biogas, which can be beneficially used as fuel. The number of treatment plants ...
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Preventing waste water overspill in sewage pools case study
Solid's SmartScan 50L provides an ultrasonic solution for effective sewer management in various locations. The waste water department of Jerusalem municipality in Israel is responsible for managing the city's complex sewer system. The system incorporates several sewage pools distributed in various locations, some of them in hard to reach locations. The problems The city of Jerusalem, with a ...
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Septic Tank Replacement Schemes - Case Study
In some countries more than 90 percent of households are without a connection to a sewer or whose sewerage infrastructure has failed due to age or poor maintenance. Most of these areas have not installed conventional gravity systems due to the high costs involved. The town may be on very flat land or a high water table that would require very deep gravity mains causing not only a high ...
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Community Spotlight: Oakland. Maine - Case Study
Problem: The Town of Oakland, Maine has approximately 11.6 miles of gravity sewer piping, 52% of which is newer PVC pipe, with the remainder including a mix of clay, transite and fiberglass pipe. With only 800 mostly residential customers, and limited budget for maintenance, the Town needed a means to prioritize the cleaning and CCTV inspection of the collection system piping. Historically, the ...
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How Do You Clean a Sewer Camera?
Sewer cameras should be cleaned regularly to prevent damage, ensure good hygiene, and ensure that it’s ready to go when needed. Clean your sewer camera system after each use to keep it in good condition. Sewer cameras will naturally become dirty due to the environments that they are exposed to. They are affected by dirt and debris of various types, which make the camera look dirty and ...
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What Not To Do With Your Inspection Camera
You’d be surprised what people do with their sewer inspection cameras – in this post, we share what you absolutely should not do with your inspection camera! Sewer inspection cameras, also known as drain cameras, have revolutionized the way we inspect our pipework. These tiny cameras, equipped with LED lights and high-definition lenses, can delve into the depths of our sewer system ...
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Prioritising sewerage maintenance using inferred sewer age: a case study for Edinburgh
The reported research project focuses on using a database which contains details of customer contacts and CCTV data for a key Scottish catchment to construct a GIS based sewer condition model. Given the nature of the asset registry, a key research challenge was estimating the age of individual lengths of pipe. Within this context, asset age was inferred using the estimated age of surface ...
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Ultrafiltration system pays for itself in less than 6 months
Challenge Brake components manufacturer needs an alternative method of disposing thousands of gallons of washwater and cleaner a week at a hefty cost. Customer Eaton Corporation Industry Automotive Product Wastewarrior Ultrafiltration System Business Benefits Realized Oily wastewater volume reduced Reduces cost of washwater detergetns, heating and disposal System pay back in less than ...
By PRAB, Inc
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GridBee AP500 Solves wet wipes problem - Case study
The $2 billion wet-wipes market and the two million lift pump stations in the U.S. may be at an impasse—at the bottom of wet well lift stations. That's where the wipes collect and form clogs, causing maintenance trauma for sewer department personnel. In one Connecticut town, a savvy sewer department foreman took the time to find the exact cause of the problem— and a simple, effective ...
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Hydrogen Sulfide control in a municipal sewer collection system case study
Odor and Corrosion Control in Pump Stations Using Microcat – ANL BioBlend – BSE 104 Problem Hydrogen sulfide generated in sewer systems can cause safety and maintenance problems including toxicity to humans, odors and corrosion. Several methods are used to control hydrogen sulfide in collection systems. While many have proven to be at least partially effective, they can be quite ...
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