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ASTM Committee working on cured-in-place manhole liner standard.

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April 24, 2012 - Proposed standard ASTM WK36573, Practice for the Installation of a Single-Sized Cured-in-Place Liner for Manholes Having Various Sizes, will apply to all shapes and types of manholes, wetwells, catch basins, and similar structures. Once approved, this standard will be of use to owners of buried utility systems such as municipal sewers, telecommunications, power, and similar systems. Interested parties are invited to join in development activities.

ASTM Plastic Piping Committee at Work on Cured-in-Place Manhole Liner Standard


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ASTM International
100 Barr Harbor Dr., Box C700
West Conshohocken, PA, 19428-2959
USA



Press release date: April 19, 2012

W. CONSHOHOCKEN, Pa.-Single-sized cured-in-place liners for manholes were developed to improve efficiency by reducing time and effort required to rehabilitate a manhole without the need for excavation. A proposed new ASTM standard on such liners is currently being developed by ASTM International Committee F17 on Plastic Piping Systems.

ASTM WK36573, Practice for the Installation of a Single-Sized Cured-in-Place Liner for Manholes Having Various Sizes, is under the jurisdiction of Subcommittee F17.67 on Trenchless Plastic Pipeline Technology.

According to Brian M. Rohan, P.E., a consultant and chairman of the task group developing ASTM WK36573, the proposed standard will apply to all shapes and types of manholes, wetwells, catch basins and similar structures.

"Rehabilitation is accomplished by using a single-sized, resin-saturated textile liner tube and inflation bladder that are expandable as a unit to press the liner against manhole walls," says Rohan. "The single-sized stretchable liner and expandable bladder fit the varying dimensions found in almost every manhole."

Once it has been approved, ASTM WK36573 will be useful to owners of buried utility systems such as municipal sewers, telecommunications, power and similar systems.

All interested parties are invited to join in the standards developing activities of F17.

ASTM International welcomes participation in the development of its standards. For more information on becoming an ASTM member, visit www.astm.org/JOIN. ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.

For more news in this sector, visit astm.org/sn-construction or follow us on Twitter @ASTMBuildings.

ASTM Committee F17 Next Meeting: Nov. 12-15, 2012, November committee week, Atlanta, Ga. Technical Contact: Brian M. Rohan, PE, Rohan Engineering PC, Merrick, N.Y., Phone: 516-223-8465; brian@rohanengineeringpc.com
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