NONMETALLIC DUCT BANK WITH NONMETALLIC SUBDUCTS

A duct bank (212) for enclosing utility lines underground includes a first main duct (214) formed from a nonmetallic material. The first main duct (214) defines an interior volume therewithin and has a circular cross-sectional shape. The duct bank (212) further includes a plurality of sub-ducts (216...

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Bibliographische Detailangaben
Hauptverfasser:	PARVEZ, Md Anwar, ALARFAJ, Haitham A, ALSHAMMARI, Hajhouj Fahad, ALMUWAYS, Abdullah F, BAIG, Mirza Mansoor, ALSHARHAN, Hamad Tawfeeq
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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