Tunnels

A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods. A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in the tunnel. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers. Utility tunnels are used for routing steam, chilled water, electrical …

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Publications

FRHD: Freehand Books · 1 May 2024 English

A powerful debut about the lives of women and girls caught in the orbit of the military. Female recruits weathering toxic masculine environments. Military wives stretched thin across countless military …

to achieve a hollowed-out appearance. Secret tunnels and pas- sageways connected his house to those had stood in single file inside the dark, musty tunnels, taking turns drink- ing some unknown sludge, reciting


CPP: Centre for Productivity and Prosperity · 15 March 2024 French

Le rapport • Meilleure planification : avoir recours à des autorités organisatrices du transport identifie également les causes de retards et de dépassement de coûts qui nuisent (AOT) afin de …

SRB, trains et tunnels (métro) se situent à peu près dans la moyenne avec des Tunnels 37 28 103 dépassements prévisions. Pour Routes 16 11 102 les trains et les tunnels, 28 % des projets ont connu des dépassements de rives (un pont, un gros tunnel, deux plus petits tunnels) niveau de congestion routière. L’aéroport Montréal-Trudeau projet s’élevait à 1,3 milliard. Si la nouvelle et tunnels) subissent des dépassements du rapatriement avait slow, act fast ». constate que les projets de tunnels sont plus risqués, en moyenne, que ceux visant


PMLQ: Parti marxiste-léniniste du Québec · 13 March 2024 French

» Ismail Haniyeh a déclaré qu'Israël était le seul responsable de l'absence de discussions sur un cessez-le-feu menant à la fin de la guerre, réitérant que même quelques heures avant …

à New York, au cours desquelles des ponts, des tunnels et des rues ont été bloqués. Ces actions sont largement


CDA: Conference of Defence Associations Institute · 8 March 2024 English

The Second World War gave birth to the Atlantic Charter, the UN Charter, the Paris Peace Treaties, the Universal Declaration of Human Rights, the Fourth Geneva Convention, and the Genocide …

with multi- floor buildings and 500 kilometres of tunnels winding their way underground the urbanized centres famine. 5 There is no doubt as to the existence of tunnels, but an accurate figure of their extent and lengths


CDA: Conference of Defence Associations Institute · 7 March 2024 English

The Second World War gave birth to the Atlantic Charter, the UN Charter, the Paris Peace Treaties, the Universal Declaration of Human Rights, the Fourth Geneva Convention, and the Genocide …

with multi- floor buildings and 500 kilometres of tunnels winding their way underground the urbanized centres famine. 5 There is no doubt as to the existence of tunnels, but an accurate figure of their extent and lengths


Canadian Chamber of Commerce · 29 February 2024 English

6 Recommended Amendment Additional order – person granted leave If, as the result of an application by a person granted leave under section 103.1, the Tribunal makes an order under …

particularly in intangible assets like building tunnels, installing ventilation, and developing infrastructure intangible property, including the building of new tunnels, installation of ventilation, electricity systems


NWMO: Nuclear Waste Management Organization · 26 February 2024

facilities, notably the shafts, main services area, and the placement rooms connected by access tunnels; and the main surface facilities, where fuel is received, packaged, and transfer. [...] This confidence

geological conditions.  The placement rooms, access tunnels, shafts and boreholes will all be backfilled and area, and the placement rooms connected by access tunnels; and  the main surface facilities, where fuel underground openings and shafts (e.g., access tunnels, services area, etc.) will be fully backfilled ends of the placement rooms, towards the access tunnels, would be sealed with room end plugs made from isolate the filled rooms from the open access tunnels during the operating and extended monitoring phases


NWMO: Nuclear Waste Management Organization · 26 February 2024 English

The data acquired at the Revell Site indicate that the orientations of lineaments at the surface on a larger scale are also present in the orientations of fractures in the …

geological conditions.  The placement rooms, access tunnels, shafts and boreholes will all be backfilled and area, and the placement rooms connected by access tunnels; and  the main surface facilities, where fuel underground openings and shafts (e.g., access tunnels, services area, etc.) will be fully backfilled ends of the placement rooms, towards the access tunnels, would be sealed with room end plugs made from isolate the filled rooms from the open access tunnels during the operating and extended monitoring phases


CGA: Canadian Gas Association · 9 February 2024 English

Federal RNG ITC overview Firstly, CGA recognizes that Finance Canada has demonstrated an understanding of the value of RNG by including it in the clean hydrogen ITC, where the RNG …

anaerobic digester, biogas upgrader, compost tunnels, odour abatement system, compost storage and an


DDN: Dundurn Press · 6 February 2024 English

“No one has done more than Palmiro Campagna to document the story of Canada’s extraordinary Avro Arrow ... This latest work sheds new light on the Arrow’s fascinating saga.” — …

would be lowered on their own launch rails. Wind tunnels were used for testing flight aerodynamics. Aeroballistics


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