News and Articles
Mar 02, 2006
Article
Short burst, big savings
In the midst of a $US53 million addition to the Mechanical Engineering building on the Purdue University campus, it was discovered that a 15 foot deep, 12 inch clay sewer lateral that serviced the building had a collapsed section of pipe.
more
Feb 28, 2006
News
Borouge high performance polyolefins applications on show at Chinaplas 2006
Borouge will be putting its high performance polyolefin business on show at Chinaplas, Asia’s largest international exhibition for the plastics & rubber Industries, in Shanghai from 26 to 29 April 2006. Located in Hall W3, Booth C03 at the Shanghai New International Expo Centre in Pudong, Borouge will showcase how the high performance polyethylene (PE) produced by its plant in Ruwais, Abu Dhabi, UAE can be applied in three distinct sectors: packaging, pipes and wire & cable
more
Feb 22, 2006
Article
New field joint Coating system for trenchless laid steel pipes
Corrosion protective coatings of steel pipes laid by horizontal directional drilling are particularly stressed. Thermosetting compounds based on polyurethane or epoxies have proven their performance for the protection of welded joints of such pipes. The application of thermosetting joint coatings can currently be carried out in a lamination process, resulting in glass reinforced plastics coatings, or by spatula in case of polyurethane based materials.
more
Feb 22, 2006
Article
Tunnelling down under
Tunnelling and underground construction projects continue to boom in Australia and New Zealand, driven largely by the rapid urbanisation of capital cities.
more
Feb 20, 2006
News
International Conference "Transportation and Distribution Pipeline Network"
The International Pipeline Technology Conference is part of the Pipeline Technology tradeshow, a new fair-within-a-fair that consolidates and synergizes all the pipeline-based transportation and transmission offerings on show at HANNOVER MESSE, the world's leading industrial technology tradeshow.
more
Feb 20, 2006
News
The leading international trade fairs wire and Tube will be held concurrently again from 24 to 28 April 2006 in Düsseldorf.
In April 2006, the leading international trade fairs wire, International Trade Fair for Wire and Cable, and Tube, International Tube and Pipe Trade Fair, will, for the tenth time, jointly present new machines, products and systems from their respective industries at the exhibition grounds in Düsseldorf. The exhibition buildings on the River Rhine will be the centre of attention for these industries.
more
Feb 17, 2006
News
Borealis promotes innovation in Italy's utilities sector
The importance of reliable infrastructure in the supply and distribution of essential goods such as water and gas took centre stage at a workshop for the Italian pipe industry organised by Borealis in Genoa, Italy on February 3, 2006. In many European countries water loss due to leakage in the distribution network remains a significant problem.
more
Feb 15, 2006
Article
Economically motivated maintenance decisions and their influence on the calculation of fees and tariffs (strategies and scenarios)
The maintenance of water/ gas distribution and sewer networks remains a permanent task due to the extent of necessary measures and the linked budget demands and therefore requires future-oriented strategies. The essential challenge of developing sustainable strategies consists in finding a way, which represents a long-term compromise between the requested service level and the costs.
more
Feb 12, 2006
Article
Discrete sewage treatment for English resort town
Eastbourne Wastewater Treatment Works (WTW), is located on the south coast of England. It is owned and run by Southern Water. They have recently spent £22 million on significant improvement - but the 138,000 residents of the catchment areas in the resort towns of Eastbourne and Pevensey, will see very little of it, as the works are almost all underground.
more
Feb 10, 2006
Article
Optical in-line inspection tool for internal monitoring of pipelines
This article will introduce a new range of opto-electronic in-line inspection tools. The technology incorporated into the tool includes a laser-based 3D-imaging technology providing enhanced resolution and detection capabilities for the inspection of the internal surface of a pipeline.
more
Feb 07, 2006
Article
Concrete & Water — a new heat storage & exchange medium to improve seasonal effectiveness of solar thermal and other alternative heat energies
A new concept of underground long- and short-term heat storage and exchange advised for modern district and single building energy efficient heating and cooling systems.
more
Feb 06, 2006
Article
Not only for drain construction - Linear Shoring: Varied applications thanks to modularity
Linear Shoring from Emunds+Staudinger has proven successful in many projects at home and abroad. The sliding rail shoring system is available not only in a single-rail variant and as overlapping Linear Shoring, but also as single-rail and overlapping inner-city Linear Shoring.
more
Feb 02, 2006
Article
Water leak detection - precise pin-pointing of faults
Different from electro-acoustic principles to locate water leaks, which are using different kinds of microphones to analyse loudness of leak noises for pin-pointing, correlation is based on the run-time difference of acoustic signals created by the water discharging from the leak.
more
Jan 25, 2006
Article
Trenchless technology and asset management in Australia
It is fitting that as the global Trenchless Technology community gathered for the 24th International No Dig Conference in Brisbane, Trenchless Australasia magazine has completed its first survey for the industry in Australia.
more
Jan 18, 2006
Article
Geographic Information Systems (GIS) - an Advanced Tool for the European Water Industry
Interdisciplinary approaches and solutions are becoming increasingly widespread in the European water industry following the introduction of the European Water Framework Directive (WFD).
more
Jan 18, 2006
News
"Guideline Microtunnelling" newly published by Stein & Partner
A new international technical guideline "Practical Guideline for the Application of Microtunnelling Methods" (ISBN 3-9810648-0-1) of Prof. Dr.-Ing. Stein & Partner GmbH, Bochum is available since December 2005.
more
Jan 15, 2006
Article
The use of hydraulically bonded filling materials for the backfill of utility trenches in sewer construction
For several years now, self-compressing filling materials that are flowable when installed and subsequently self-hardening have been increasingly applied (mixtures of construction materials or mixtures of soil binders). They are named by the manufacturer or, in literature, referred to as liquid soil, soil mortar or filling mortar. They predominantly serve to fill the embedment, but in some cases also to produce the main filling. The following contribution serves to introduce the latest expert discussions, especially of planning agencies, of communities and suppliers of pipe networks as well as to present the pros and cons of the application of hydraulically bonded filling materials from the point of view of construction technology and statics.
more
Jan 11, 2006
Article
Slurry pumps handle abrasive iron ore slurry
At an iron ore outloading site in Australia, seasonal torrential downpours led to a tremendous volume of abrasive slurry that could not be handled in an effective manner by existing cantilever pumps. To resolve this situation, ITT Flygt unit provided the mining company with a complete solution built around its slurry pumps that finally solved a 30-year old problem.
more
Jan 02, 2006
Article
Quality controls are key to successful CIPP lateral lining applications
Laterals are the underground sewer service pipelines that connect from a building, such as a private house or commercial property, to the main line sewer. Typically private house laterals are 4” to 6” in diameter. Commercial properties and multi-unit residential properties can have much larger sizes. Laterals typically run under landscaped areas, driveways or parking lots. The aim of CIPP lateral lining is to solve many problems that occur with deteriorating laterals instead of replacing them. While these problems vary from lateral to lateral, a successful CIPP lateral lining application or product needs to solve a variety of existing lateral problems that may be encountered from location to location. This may require different materials to suit different kinds of lateral situations.
more
Dec 20, 2005
News
McCandless Authority Wins High-Tech Sewer-Inspecting Camera; American Water Raffles Off Camera During WEFTEC Conference
Patrick E. Connell, Treasurer and Member of the Board of Directors for the McCandless Township Sanitary Authority (MTSA), walked away the winner of a Cues Lite Stick Inspection Camera, valued at over $6,000, after attending the Water Environment Federation's 78th annual Technical and Exhibition Conference in Washington DC. Connell won the device by visiting the booth of American Water, the nation's largest supplier of water and wastewater services.
more
Dec 20, 2005
Article
Stability of a Borehole during Horizontal Directional Drilling
A group of Dutch drilling contractors and engineering consultants are working together to enhance their knowledge on borehole stability during Horizontal Directional Drilling (HDD). The influence of arching on the stability of a borehole filled with bentonite has been tested with the geotechnical centrifuge of GeoDelft in combination with the maximum mud pressure the borehole can withstand before a blow-out occurs. The centrifuge tests have been analyzed using a Finite Element Program (PLAXIS) with respect to arching around the borehole. The test results are compared with the PLAXIS outcome.
more
Dec 13, 2005
Article
The NORIS-Project and the Top-Cote-Liner
The NORIS project is an EU-project co-financed by the Interreg IIIB programme. The project should be a platform for exchange of knowledge on No-Dig techniques, source control methodologies and monitoring systems. Seven partners from five countries in the North Sea Region are involved in the project. The NORIS project has three environmental focuses: How to separate unwanted rain- and drain water from combined sewer pipes How to redirect rainwater to groundwater by natural processes How to minimise the risk of overflow and overload of sewers The focusing on separation of rainwater from sewage water is carried out with a new No-Dig technique. The new technique called Top-Cote, will be used in pilot projects in 2005 and 2006. The first pilot project should be completed in the village of Tidan close to Skövde in Sweden. The TopCote-technique combines pipeline rehabilitation and the separation in the same installation by using a 2-in-1 liner.
more
Dec 07, 2005
News
Continuous production of polymer modified bitumen (PMB) in road construction
Globalization, economic growth, and the abolishment of borders within Europe have resulted in a continuous increase in heavy goods traffic. These ever rising traffic levels have led to a continuously increasing strain on our traffic surfaces in both road and airport construction. In order to satisfy these requirements, more and more polymer modified binding agents (i.e. bitumen) are used in asphalt production.
more
Dec 06, 2005
Article
Interactive Software for Selection of Technologies for Installation and Replacement of Utilities
The decision of how to accomplish the installation or repair of a buried pipe in an urban environment involves tangible and intangible parameters. This paper outlines the development of comprehensive, yet straightforward and easy to use interactive software for the evaluation of alternative construction methods that can be employed in the installation, rehabilitation, or replacement of buried pipes and conduits. The software emphasizes simplicity and practicality, and limits input data to those readily available to utility engineers at the design stage of the project. Based on the specific characteristics of the problem(s) facing the decision-maker, the software performs a preliminary screening, eliminating technologies unlikely to meet the project’s requirements. A technical evaluation is then undertaken during which the technical capabilities of the various technologies identified in the first step are compared with the project’s attributes. Next, a risk analysis is performed based on the characteristics of the project's environment and the anticipated soil conditions. The model offers an interactive graphical user interface, and it is compiled as a standalone application compatible with common Microsoft operating systems platforms.
more
Nov 29, 2005
Article
The Synergy Between Theory and Practice in Drilling Technology
GeoBrain is a facility at GeoDelft with the purpose to provide society with all relevant geo-engineering knowledge and experience in a structured way. On the basis of the available knowledge and experience engineers, decision makers and construction supervisors can come to a fast, reproducible and objective choice, taking into account the consequences. The paper presents an example from the GeoBrain experience databases and forecasting models developed for directional drilling, or: "GeoBrain Drilling".GeoBrain is closing the gap between theory and practice. It is aimed directly at reducing uncertainty and the costs of failure, thereby increasing the quality of profession and minimising the risk in geo-engineering works.
more
