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Below is a compilation of PVC Pipe papers presented at the recent 17th Plastic Pipes Conference, 2014, Chicago, Illinois, USA


PVC-O: EXPANDING IN TECHNOLOGY AND APPLICATION

Andrew Nijland & Frans Alferink

In the first part of this paper a summary of PVC-O and its outstanding properties will be presented. The continuous in-line biaxial extrusion process will be highlighted. It will be
explained why water companies and contractors appreciate the application of PVC-O.
In the second part of this paper, attention will be drawn to the possibility of creating PVC-O BiAx pipelines with demountable tensile resistant joints. 3 types of joints for PVC-O BiAx pipe will be described.

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PVC-O FITTINGS

Dolores Herran, Molecor

Molecular Orientation applied to pipes, continue bringing new solutions to have complete PVC-O pipelines, being PVC-O fittings available during next year 2015.

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EPCOR'S CONTINUING SUCCESS WITH PVC WATER MAIN PIPE

Doug Seargeant, EPCOR Water Services

Many utilities experience problems related to corrosion of buried metallic components of their water distribution systems. In seeking non-metallic alternatives to solve these problems, questions concerning the life expectancy of these alternatives are often raised. This paper describes testing of Poly Vinyl Chloride (PVC) pipe material after being in service for more than 25 years in Edmonton.

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PIPELINE PERFORMANCE EXPERIENCES DURING SEISMIC EVENTS IN NEW ZEALAND OVER THE LAST 27 YEARS

Frank W O' Callaghan, Iplex Pipelines NZ

This paper includes first-hand observations and experiences, specific to pipeline systems in New Zealand seismic events, covering a 27 year period, from 1987 to 2014, including the Edgecombe earthquake of 1987, Christchurch City and Caterbury area earthquakes during 2010 to 2012, and the Eketahuna earthquake of 2014. These events provide us with a unique opportunity to practically evaluate the seismic performance of pipe materials and joint systems, that either survived, or were damaged and repaired, or were totally destroyed and abandoned, specific to New Zealand seismic conditions. This paper presents conclusions and recommendations fromt lessons learned during these events.

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PVC - REVIEW OF AVAILABLE TECHNOLOGIES FOR TRENCHLESS PIPELINE APPLICATIONS

Nigel Jones, Australian Vinyls

While open-cut installations continue to be the standard method of construction for new projects where access is readily available, for projects in developed urban areas various PVC trenchless technologies are making no dig options more economically viable and appealing. For rehabilitation of our cities aging pipelines, PVC trenchless technologies make it possible to restore the structural integrity and fluid velocity of the pipeline whilst minimising the financial and social costs.

In this paper, the options for and advantages of PVC in common trenchless installation techniques are reviewed.

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HOW TRANSPARENT PVC-U TURNS GREEN TO PRODUCE FOOD AND FUEL

Dr Stephen Schuessler, Georg Fischer DEKA GmbH

This article describes how pipes made from specially developed transparent PVC-U grades have been successfully applied as a material of choice for various tubular PBR-designs. Many of these are already
commercialized and functioning on a large scale. A special focus is set on the different PBR-designs, bioprocesses and how well transparent PVC-U can be tailored to meet the specific requirements of this very
interesting technology.

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VALIDATION OF THE LONG LIFE OF PVC PIPES

Steven Folkman, Utah State University 

Several analytical studies have estimated that PVC pipe can have a useful life of over 100 years.Recently, Utah State University conducted several tests on PVC pipes that had been in
use between 20 and 49 years. The results show that when the material has proper gelation, all of the quality control tests were successfully passed. This paper will also review these test results along with testing done by other researchers examining the long life expectancy of PVC pipe.

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THERMALLY FUSED PVC PIPE HELPS ACCELERATE ADOPTION OF TRENCHLESS PIPE INSTALLATION TECHNIQUES IN NORTH AMERICA

Tom Marti, Underground Solutions & Richard (Bo) Botteicher, Underground Solutions

This paper discusses the thermally butt-fused PVC pipe (FPVCP) technology that is enabling trenchless growth and highlights two cases studies where FPVCP was utilized based specifically on its material
properties; a 3,800 foot (1,1140m) HDD installation with 24-inch (600mm) and 6-inch (150mm)
pipe pulled in simultaneously under a live airport runway in Portland, Oregon and a water utility
in Colorado that has installed over 150,000 feet (45,000m) of FPVCP via the pipe-bursting
method.

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SEWER INSTALLATION TIME PROJECT - 30% INSTALLATION TIME SAVING WHEN USING PLASTICS SEWER SYSTEM

Peter Verlaan, Wavin Technology and Innovation Affiliate

The European Plastic Pipes and Fittings Association (TEPPFA) paper uses previous scientific papers as the starting point to prove by a non-scientific (field test) study that contractors can save installation time by using thermoplastic sewer pipes and fittings.

The results of the field testing found that the PVC pipe installation was over 30% faster (3 hours and 19 minutes vs 5 hours and 12 minutes) than the same size concrete. That’s a time saving of 1 hour and 53 minutes on a sewer PVC pipe installation of two chamber trench 90 metres long, 2 metres deep with a diameter of 300mm.

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