Underground Construction - September 2018 - 4

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PPI Publishes Latest Specs for
Designing HDPE Conduit
An updated model specification for high-density
polyethylene (HDPE) conduit has been published by
the Plastics Pipe Institute Inc. (PPI), the major trade
association representing all segments of the plastic
pipe industry. Document MS-5 Model Specification for
HDPE Solid Wall Conduit for Power and Communications Applications assists in preparing specifications for
an HDPE conduit project.
According to PPI, while HDPE conduit and pressure
pipe specifications may appear similar, there are
technical differences that are critical to achieving the
intended performance of products in specific applications. HDPE conduit is the preferred material to house and protect electrical power
and communications cables in typical applications such as utilities, telecommunications, CATV, SCADA, FTTH, ITS, highway lighting and other underground utilities.
Its benefits include availability in long lengths without joints, high strength, flexibility, proven reliability and installation toughness. HDPE conduit, including cable in
conduit, is widely used in trenching, horizontal directional drilling (HDD) and plowing
installation methods.
Prepared with input from PPI members who are industry experts, MS-5 provides
specifiers with a starting point in developing final specifications for a particular
project's needs. It includes reference to various product specifications by SDOs such
as ASTM, CSA, NEMA, and UL, and describes when and how to utilize these industry
documents.
"Major telecom firms should be certain their specifications are updated to match
the latest industry standards," said Tony Radoszewski, CAE, PPI president. "Specifying
an incorrect standard for HDPE conduit can delay projects, increase costs, or result
in an inappropriate material selection. This new model specification is written to help
specifiers avoid those problems."
MS-5 is available free on PPI's website via its homepage (plasticpipe.org), under the
"Publications & Resources" menu option, then "Technical Documents Index." Complementary to the MS-5 is the recently updated Technical Note 50 (TN-50), Guide
to Specifying HDPE Conduit, which advises specifiers on selecting the right type of
conduit for various types of projects.

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SEPTEMBER 2018 | UConOnline.com

Virginia Tech SWIM Center Offers Water Infrastructure
Certificate, Conference
The Virginia Tech Sustainable Water Infrastructure Management (SWIM) Center is offering the Digital One Water Smart Utility Water conference, Dec. 5-6, at its Research
Center in Arlington, Va.
Addressing one of the most pressing societal needs over the next several decades,
the conference will focus on how to transform the broad spectrum of water systems
to become smarter, and more sustainable and resilient to the impacts of extreme
events, ecosystem demand, rapid urbanization, and deteriorating aging infrastructure. These issues threaten public and environmental health, food system performance, economic prosperity, and quality of life.
Specific topics of the two-day event include:
* Sensor Informatics and Data Analytics Techniques
* Water Sector Infrastructure Asset Management Practices
* Resilient and Sustainable Management Practices for Water Sector
* Water Sector Infrastructure Funding, Economics, and Affordability Issues
For more information and to register, visit www.cpe.vt.edu.

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Underground Construction - September 2018

Table of Contents for the Digital Edition of Underground Construction - September 2018