AVS. Arkitektúr verktækni skipulag - 01.06.2003, Blaðsíða 38

AVS. Arkitektúr verktækni skipulag - 01.06.2003, Blaðsíða 38
Haraldur Sigurðsson, Planner, Borgarfræðasetur, Planning and Building C 0 E t 0 Q. 0 Q Densities in Reykjavík: Then and Now Increasing densities is a city plan- ning action which developed dur- ing the latter half of the 20th cen- tury. During the last 20 years, it has been a dominant planning policy in most western cities. The concept is not the invention of individual planners or built on deep ideology, but is rather the reaction of public bodies and the housing market to the develop- ment of land use and prices in cities. It is not necessary to dis- cuss the economic, environmen- tal and social arguments that support increased densities and the re-planning of under-utilised areas within cities. The opposition to continuous expansion of cities and the use of new „virgin" sites on their outskirts, with longer dis- tances, power usages and expenditures on roads and services, has increased consider- ably during the preceding years. The same applies to the support for nature preservation, sustain- able development, revitalisation of central areas and the demands for more humane cities. The increased density of already built- up areas is a logical consequence of this change of emphasis. What is increased density of development? Increased density of development must mean an increase in the remaining built area and a net increase of inhabitants and/or jobs for a given area within the city. An increase in the built area does not always, however, mean a more dense development. For example, if warehouses, which usually do not employ many peo- ple, are built on an area which was previously the site of a facto- ry employing many people, then no increase in density has taken place, although the amount of building per area of land has per- haps increased. Another problem arises when it has to be decided if the re-plan- ning of an employment area in a housing area will result in an increased density or not. If 200 jobs no longer exist in a given area but 100 people move into that area, does that mean less or more dense development? It is clearly difficult to find a universal measure for density or the densi- ty of development. The most sen- sible method is to measure densi- ty in terms of the land saves on the outskirts of the city reduction in the road network, capital cost of roads and services, use of service institutions and how increased densities improve the existing built-up areas or how they can adversely affect adjoin- ing buildings. Historic development of increased densities of development in Reykjavík For a number of historical rea- sons, Reykjavík did not develop as a continuous city from 1940 to the 1950's. During the first half of the 1940's, housing areas began to be built in the Sund and Langholt areas, in districts that were distant from the continuous development within Hringbraut. What was typical for this develop- ment was the ownership of land, important farming attitudes that prevented farming land from being built upon, the building of individual undertakings like the construction of Kleppsspítali, and construction due to the occupa- tion and lack of technical knowl- edge of construction in water- logged areas. This resulted in the development of Reykjavík towards its centre, after the areas west and south of Kleppsspítali had been developed. According to this it could be said that Reykjavík, west of the Elliða-river, has become more dense since the 1950's and that this develop- ment will continue during the next decades. It is however doubtful that this development can be classified as conventional increase in density development. The first areas of real increased density development were built during the 1970's along Bústaðavegur, where tree nurs- eries gave way to housing areas. Previously, barracks had been torn down in many areas to make way for modern housing. It was not until the 1980's that this development of increasing densities gained momentum, but increasing densities was the declared policy of the council majority from 1978 to 1982. All the proposals for increased densities were implemented, but many new housing areas were built within developed areas dur- ing the next years, such as Suðurhlíðar, Efstaleiti, at Eiðsgrandi and Skúlagata (pic- tures 1 and 2). The last two areas are textbook examples of increased density development, where dilapidated industrial areas on the outskirts of the central city 36
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