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Additional resources for Human Settlements in the Arctic. An Account of the ECE Symposium on Human Settlements Planning and Development in the Arctic, Godthåb, Greenland, 18–25 August 1978

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Physico-chemical treatment has several advantages over biological treatment, particularly in the Far North, but its maintenance cost is higher ... (SU, Utilities, p. 5) One of the main difficulties, in the Soviet view, is to maintain a temperature of at least 8 C in waste water, which is necessary for biological decomposition. This problem was also touched on in the United States monograph. In Alaska: Wastewater treatment is sometimes accomplished by a septic tank and leachfield or seepage pit for single dwelling application, and by a lagoon (oxidation pond) for community-^wide application.

50 Human Settlements in the Arctic In Arctic settlements, fire is probably the most serious threat to mankind. Planning and layout of settlements should isolate combustible fuel storage from the settlement in two separate locations, so that if one is lost the other may be utilized. Such storage ... should be secure against sabotage by emotionally troubled persons. Within the basic community, planning should assure that flame spread throughout more than about one-third of the community is impossible, even when fireproof construction will be utilized ...

At the beginning of the 1950s the water lines were installed above ground in insulated and frost protected lined boxes. This led to so many town planning disadvantages that underground lines are being used nearly everywhere today. e. approximately 2 m. In North Greenland the water line has to be insulated and frost protected on account of the permafrost in the strata. (Figs. 4 to 6) . Where housing areas consist solely of single-family houses, it would not be financially possible to provide each individual house with water installations.

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