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- Utility_tunnel abstract "A utility tunnel, utility corridor, or utilidor is a passage built underground or aboveground to carry utility lines such as electricity, water and sewer pipes. Communications utilities like fiber optics, cable television and telephone cables are also sometimes carried. They may also be referred to as a services tunnel, services trench, services vault, or cable vault. Smaller size cable containment is often referred to as a cable duct, or underground conduit.Utility tunnels are common in very cold climates where direct burial below the frost line is not feasible (such as in Alaska, where the frost line is often more than 18 ft (5.5 m) below the surface, which is frozen year round). They are also built in places where the water table is too high to bury water and sewer mains, and where utility poles would be too unsightly or pose a danger (like in earthquake prone Tokyo). Tunnels are also built to avoid the disruption caused by recurring construction, repair and upgrading of cables and pipes in direct burial trenches.Utility tunnels are also often common on large industrial, institutional, or commercial sites, where multiple large-scale services infrastructure (gas, water, power, heat, steam, compressed air, telecommunications cable, etc.) are distributed around the site to multiple buildings, without impeding vehicular or pedestrian traffic above ground. Due to the nature of these services, they may require regular inspection, repair, maintenance, or replacement, and therefore accessible utility tunnels are preferred instead of direct burying of the services in the ground.Utility tunnels range in size from just large enough to accommodate the utility being carried, to very large tunnels that can also accommodate human and even vehicular traffic.".
- Utility_tunnel thumbnail Haifa_Utility_tunnel.JPG?width=300.
- Utility_tunnel wikiPageExternalLink AVAC.
- Utility_tunnel wikiPageExternalLink mk-tunnels-large.htm.
- Utility_tunnel wikiPageID "2291091".
- Utility_tunnel wikiPageRevisionID "594461525".
- Utility_tunnel hasPhotoCollection Utility_tunnel.
- Utility_tunnel subject Category:Culture_of_the_Arctic.
- Utility_tunnel subject Category:Subterranea_(geography).
- Utility_tunnel subject Category:Tunnels.
- Utility_tunnel subject Category:Walt_Disney_World.
- Utility_tunnel type Artifact100021939.
- Utility_tunnel type Object100002684.
- Utility_tunnel type Passage103895293.
- Utility_tunnel type Passageway103895585.
- Utility_tunnel type PhysicalEntity100001930.
- Utility_tunnel type Tunnel104497962.
- Utility_tunnel type Tunnels.
- Utility_tunnel type Way104564698.
- Utility_tunnel type Whole100003553.
- Utility_tunnel type YagoGeoEntity.
- Utility_tunnel type YagoPermanentlyLocatedEntity.
- Utility_tunnel comment "A utility tunnel, utility corridor, or utilidor is a passage built underground or aboveground to carry utility lines such as electricity, water and sewer pipes. Communications utilities like fiber optics, cable television and telephone cables are also sometimes carried. They may also be referred to as a services tunnel, services trench, services vault, or cable vault.".
- Utility_tunnel label "Galerie technique".
- Utility_tunnel label "Utility tunnel".
- Utility_tunnel label "共同沟".
- Utility_tunnel label "共同溝".
- Utility_tunnel sameAs Kolektor_(tunel).
- Utility_tunnel sameAs Galerie_technique.
- Utility_tunnel sameAs 共同溝.
- Utility_tunnel sameAs m.0719nk.
- Utility_tunnel sameAs Q2915275.
- Utility_tunnel sameAs Q2915275.
- Utility_tunnel sameAs Utility_tunnel.
- Utility_tunnel wasDerivedFrom Utility_tunnel?oldid=594461525.
- Utility_tunnel depiction Haifa_Utility_tunnel.JPG.
- Utility_tunnel isPrimaryTopicOf Utility_tunnel.