Belowground Pipeline Networks for Utility Cables - download pdf or read online

By Lawrence M. Slavin

ISBN-10: 0784410550

ISBN-13: 9780784410554

This guide offers a common assessment of equipment utilized in putting software cables belowground, together with formal underground conduit structures and comparatively reasonably cheap direct-buried amenities - with an emphasis on cost-effectiveness and house potency. "ASCE handbook of perform for Belowground Pipeline Networks for application Cables" describes earlier practices, in addition to more moderen recommendations within which person pipes or ducts should be advantageously deployed at the side of direct-buried cables. similar layout, development, and operational necessities and directions are supplied all through this ebook, in addition to analyses of issues together with: underground conduit structures, direct-buried structures, cable deploy tools in duct, hybrid belowground cable networks, prestige of less than floor Cable Networks. This e-book offers either introductory and particular layout and building info to help the implementation of the proposed hybrid belowground cable community. it is going to be important to new and skilled engineers in street and neighborhood building, software vendors, and contractors.

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Extra info for Belowground Pipeline Networks for Utility Cables

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Shared ducts: º power supply and communication cables not installed within the same individual duct (unless they are all operated by the same utility) and communication cables from different utilities may be placed º within the same duct if all parties agree. • Separation between utility lines: º general (default) requirement of a 12-in. ) separation between electric power supply and communication cables under specific conditions, providing that all parties involved are in agreement, subject to the following: ٗ 3 Secondary power (service) lines are typically 120 or 240 V; primary distribution power lines are typically < 22 kV.

Separation between utility lines: º general (default) requirement of a 12-in. ) separation between electric power supply and communication cables under specific conditions, providing that all parties involved are in agreement, subject to the following: ٗ 3 Secondary power (service) lines are typically 120 or 240 V; primary distribution power lines are typically < 22 kV. 4 Random separation indicates that cables are buried without any deliberate separation, including direct contact. Although “random separation” indicates that cables of different utilities may be close, such cables may not be wrapped around each other.

Electric tools or highvoltage test sets) should not be used. • Light bulbs, if present, must have a protective cover. 28 BELOWGROUND PIPELINE NETWORKS FOR UTILITY CABLES • Temporary platforms must not be supported on cables. • No smoking is allowed near an open manhole. • No cover shall be placed over an entrance unless it is a minimum of 4 ft above the surface of the opening, with the exception of protective screens. • Proper housekeeping is required, including the following: º after completion of tasks, all debris must be promptly removed and º combustible material shall not be allowed to accumulate.

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Belowground Pipeline Networks for Utility Cables by Lawrence M. Slavin


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