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Under London – this time with a lot less trenching

In the feature article Under London published in this magazine in July 2010 we learned of the New River constructed in 1613 by Sir Hugh Myddleton to supplement traditional water sources; the Thames and Fleet Rivers, the Walbrook and the Tyburn Stream feeding Conduits and Fountains in the City.

Renovating to preserve history

The historic Balans Sewer in Middleburg, the Netherlands, was in extremely poor condition, allowing wastewater to seep into the ground below. Contractor Van der Velden Rioleringsbeheer explains how a cured-in-place liner restored and preserved the culturally important sewer.

Cleaner shafts with compressed air

Hermes Technologie has expanded its repertoire of coating abilities, adding accident prevention technology and automated shaft coating to complete complex jobs.

No-Dig: a significant key to the buried infrastructure deficit

The infrastructure deficit across North America is one of the most significant issues facing society today. Buried water and wastewater infrastructure is a large part of this deficit and the failure of this infrastructure will have a profound effect on society’s quality of life.

Record breaking in Paris

Spiral-wound pipe rehabilitation technology comes into its own when rehabilitating large nominal diameter sewers in complex boundary conditions. This was the case in the French district of Le Pecq, located near Paris, in October 2011, where 281 m of DN 3,000–3,300 mm rain water collector was rehabilitated with a DN 2,750 mm spiral-wound Sekisui pipe liner.

Research program to improve Sydney Water’s wastewater network

Fri, 27 April 2012 Sydney Water is investing $US22.2 million to fund five years of research into the best methods, models and tools to minimise concrete renewals for Sydney's wastewater network.

Beating bursts in Corsham

Tue, 24 April 2012 Work is underway in Corsham, UK, to replace an ageing watermain using trenchless techniques.

Curing Columbus

Tue, 24 April 2012 The City of Columbus, US, is undertaking works to rehabilitate 1,620 ft of 48 inch diameter concrete sanitary sewer by utilising cured-in-place pipe.

Saving San Diego’s sewers

Fri, 20 April 2012 Sewer Pipeline Rehabilitation Phase M-1 has commenced in San Diego, US, which will rehabilitate 5.12 miles of sewer mains using Trenchless Technology.

Rehab on schedule for Cape Town

Thu, 19 April 2012 The City of Cape Town, South Africa, has appointed three contractors to perform trenchless pipe rehabilitation in the Durbanville Hills, Welgemoed and Ridgeworth areas.

Nobleton seeks trenchless solution

Mon, 16 April 2012 Trisan Construction has been awarded a contract in excess of $US1 million for sanitary service construction, watermain replacement and road restoration for the Village of Nobleton, Canada.

Missouri engineering services contract awarded

Tue, 10 April 2012 The Missouri Metropolitan St Louis Sewer District has awarded a $US1 billion engineering services contract for works estimated for completion in 2030.

Delaware invests in sewage infrastructure

Thu, 5 April 2012 New Castle County Executive Paul Clark has announced the budget for the Fiscal Year 2013, which includes a sewer fund budget of $US71 million and $US5.7 million allocated for sewer construction and rehabilitation.

Molly the mole comes out of her hole

Wed, 4 April 2012 ‘Molly the Mole,’ a 2.4 m diameter tunnelling machine, has now come to the end of her 1.2 km journey tunnelling a new storm water sewer under Airdrie, Scotland, and has been raised from the ground at a well-attended event.

Ontario gears up for rehab works

Tue, 3 April 2012 The City of London located in Ontario, Canada, will soon commence its construction season, with sewer and watermain rehabilitation given a high priority in 2012, and the council stating trenchless technologies will be utilised as part of the construction program.

India seeks trenchless services

Wed, 28 March 2012 A tender has been released in India seeking the installation of pipe by trenchless method.

New liner gets UK regulation approval

Tue, 27 March 2012 New technology developed with the help of Anglian Water offers the prospect of being able to repair damaged or ageing water pipes without the need to dig up roads to reach them.

Renewing the grand ol’ pipes of Yorkshire

Tue, 27 March 2012 Yorkshire Water has entered into the final phase of a £29 million project to boost water quality and reduce leakage through the replacement of many of its oldest water pipes, and installation of new technology that reports information on the network of pipes.

Thames Water busy under London

Wed, 21 March 2012 Thames Water has been embracing an assortment of No-Dig techniques to modernise infrastructure under London, including building a new 2.3 km pipeline in Baydon, upgrading cast-iron pipes in Reading, and utilising a new hi-tech computer system to detect leaks in pipes before they burst.

New technology fitting for Durban

Mon, 19 March 2012 The Asbestos Cement Pipe Replacement Project will use close fit lining to replace 1.2 km of pipe in the Pinetown Central Business District, Durban, South Africa.

Innovative techniques cure Salisbury’s sewers

A £200,000 scheme to regenerate Salisbury’s sewerage network using cured-in-place pipe has been completed.

Washington awards inspection contract

Tue, 6 March 2012 Washington Suburban Sanitary Commission has approved an inspection and monitoring contract to Openaka (a division of Pure’s Engineering Services Group) worth up to $US17.2 million.

WERF invites proposals for research into innovative technologies

Fri, 2 March 2012 The US Water Environment Research Foundation is inviting proposals for research into the evaluation of innovative technologies and techniques in reducing costs and improving effectiveness of operation, maintenance, and replacement of ageing and failing wastewater infrastructure.

Feasibility study to bring wastewater treatment to Kosovo

Tue, 28 February 2012 The Western Balkans Investment Framework IPF1 team, based in the offices of Prishtina Regional Water Company, have been preparing a feasibility study for a major investment in wastewater infrastructure in the Prishtina area of Kosovo.