STUDI KOMPARASI PEMAKAIAN GPS METODE REAL TIME KINEMATIC (RTK) DENGAN TOTAL STATION (TS) UNTUK PENENTUAN POSISI HORISONTAL PDF

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International Journal of Civil & Environmental Engineering IJCEE-IJENS Vol: 12 No: 01 70 LAND AVAILABILITY ANALYSIS FOR BUILDING BASED ON LAND CHARACTERISTIC OF PALU CITY Amar1, Mary Selintung2, Roland A. Barkey3, and M. Arsyad Thaha4, 1 Doctoral Student, Departement of Civil Engineering, Hasanu...

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STUDI KOMPARASI PEMAKAIAN GPS METODE REAL TIME KINEMATIC (RTK) DENGAN TOTAL STATION (TS) UNTUK PENENTUAN POSISI ... Fajri Yanto ijens.org

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International Journal of Civil & Environmental Engineering IJCEE-IJENS Vol: 12 No: 01

70

LAND AVAILABILITY ANALYSIS FOR BUILDING BASED ON LAND CHARACTERISTIC OF PALU CITY Amar1, Mary Selintung2, Roland A. Barkey3, and M. Arsyad Thaha4, Doctoral Student, Departement of Civil Engineering, Hasanuddin University, Jl. Perintis Kemerdekaan Km 10 Makassar, South Sulawesi - 90245, Indonesia; Email: [email protected] 2,4 Departement of Civil Engineering, Hasanuddin University,Makassar, Indonesia 3 Departement of Forestry, Hasanuddin University,Makassar, Indonesia 1

Abstract–The purpose of this research is to investigate the relationship between area availability of land use for building based on land characteristic of Palu City as bay city and time in the future, until when the land is capable of supporting the growth in the use for building, and how to deal with land use for building so that the land in the territory of Palu is capable of supporting the growth in the longer use. The research method used is the approach of survey method. The research data consists of spatial with showing Palu City land characteristic. Spatial data including data on topography map, geology map, hidrology map and data on the number of land users of protected areas and cultivation areas obtained from the Revised Map of Spatial Planning of Palu City in 2010. Analysis techniques by using overlay and quantitative analysis. The results showed that wide of effective land availability for building wich as cultivation areas in Palu City are 13,151.13 hectares; the land use for building in Palu city on the future having growth average 2.72% per year; cultivation area will be full of buildings in the year 2056. In order to get the land in the territory of Palu city is capable of supporting the growth of the land use for building much longer, some efforts are adding the width of area, and planning storey buildings in certain zones. Keywords: land use, building, land availibility, land characteristic, palu city

I. INTRODUCTION Indonesia as a developing country still faces major problems in the development of cities. The development of economic activities and population growth will be followed by increasing demand for space/land primarily for the building as a place that holds a variety of urban activities such as housing and office affairs [1]. The land use for building that continues to increase especially in urban areas will cause problems later on. This is because of its limited land area, while the land requirement for building is constantly growing as the population growth and urban activities which at certain times, the land in urban areas will be full of buildings.

Palu as one of the cities in Indonesia is also experiencing problems related to the population growth together with the increase of urban land use, especially land use for building. Palu City has an area of ± 37,860.83 ha or 378.61 km2 (GIS Analysis, 2010) with the population growth rate from year to year has increased significantly. From 2000 to 2010, the population growth rate has an average of 1.68% per annum, which the amount at the end of 2000 was 269,083 people and at the end of 2010 was 336,532 people [2]. Along with the increase of population in Palu, the demand/need for land has increased, particularly the land use for building. Based on data obtained, it shows that the number of buildings and the level of land use for building in Palu city from year to year also increase significantly. In 2000-2010, the number of buildings has increased in an average of 3.45% per annum or 34.47%, in interval of 10 years i.e. from 65,668 units of buildings with an extensive land use for building and yard about 2,502.99 hectares (6.74 %) in 2000 to around 79,205 units of building at the end of 2010 with an extensive land use for building and yard about 4,723.52 hectares (12.48%) [1]. Such condition would need to get an attention and it is anticipated early in order to get the balance between the need and the availability of land for building, particularly in the territory of Palu as a bay city, for now and future. Then, it can be an input to the Spatial Plan of Palu city for giving more direct patterns of land use for building based on availability of their own land.

II.

OBJECTIVES RESEARCH

The purpose of this study is to determine the extent of effective land use for building that is available based on the physical characteristics of land in Palu city as city of bay and the time limit of the availability of effective land that is capable of supporting the growth of land use for building in Palu city based on the land availability. Furthermore, it will also propose some efforts that need to be done so that the land in the territory of Palu as a bay city is capable of supporting growth in the longer use.

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International Journal of Civil & Environmental Engineering IJCEE-IJENS Vol: 12 No: 01

III. THEORETICAL REVIEW Land means ground that already exists and there is generally having owner, both individual and institution. The use of ground is for infrastructure to improve the development of population activities. Infrastructure can be distinguished on shaped space infrastructure (buildings), which consists of closed space and open space, and network infrastructure [3]. The signification of land is different from ground. Ground is an aspect of land where the other aspects are climate, relief, hydrology, and vegetation. Land is a dynamic concept containing ecosystem factor. Land use is a permanent and sustainable human intervention to meet human needs both materially and spiritually from natural and artificial resources which are jointly called land [4]. Urban land is divided into lands for buildings and lands not for buildings. Lands for buildings consist of resident, industry, office, trade and services. Lands not for buildings are divided into land used for the urban activities (cemetery, recreation, transportation, open space), and land used for non urban activities (agriculture, plantation, water area, production and mining of natural resource). Land use is a regulation for the use of land/activity at a region (national, regional and district) for certain activities. Human activities, such as work, shopping, learning, and recreation, are done on the plots of land which are realized as offices, factories, school buildings, markets, shops, housings, tourism objects, hotels, and so forth. Activity on the plots of land (the land) is called the land use [5]. Land use is defined as a form of human intervention on land in order to meet their needs. Land use is a dynamic process, as a result of changes in the pattern and enormity of human activities all the time. So that problems related to land is a complex problem. Therefore, effort to optimal utilization of land resources requires an efficient allocation of land use [6]. Building is one of urban land-cover which has very important in land use classification. The land use for building distribution and development is very important information for planning and environmental study in urban territory. Nevertheless, data and information collection to land use for building is not a simple matter [7]. Land is a strategic element of space and its use cannot be removed with a spatial city/region. Similarly, the organization of space is essentially an arrangement of supplies, use and designation of ground/land/earth, water, and outer space [8]. Provision of land is a strategic aspect in the implementation of sustainable development. Development

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will continue when the provision of land is held sustainably. At the same time, the land which can be used for the construction has a very limited extent [9]. Availability of land is an assessment result of an area/land area about a possible designation on its use in meeting development needs. The assessment result of an area or land area will be used to determine the intensity of land use in order that land is not damaged and can support the environment and living sustainably [8].

IV. RESEARCH METHODS The research method used is the approach of survey method. The research data consists of spatial with showing Palu City land characteristic. Spatial data including data on topography map, geology map, hidrology map and data on the number of land users of protected areas and cultivation areas (settlement areas, office affairs, tourisim, green open space, trades and services) obtained from the Revised Map of Spatial Planning of Palu City in 2010. Analysis techniques by using overlay and quantitative analysis, and by using the help of some programs and Arc View software to assist the analysis.

V. PHYSICAL CHARACTERSTICS OF LAND IN PALU CITY Geographically, Palu city has specific physical characteristic with the topographical mountains as the landscape and the bay around the city of Palu as the coastline, and also the river flow which divides Palu city into two major parts, namely the western region and the eastern region. These physical conditions have a role in the formation process of Palu city as a bay city which is characterized by the main form of the valley (graben) in which the city center is located in the central part of the valley. Land area of Palu city is administratively under the Regulation no. 4 in 1994 and the direction of RTRW revision of Palu city in year 2010 to 2030 is ± 395.06 km2 or 39,506 hectares consisting of 4 sub-districts and 43 urban villages. However, based on the digitization result to administrative borders of Palu city with the help of Quickbird image map, it is acquired an area around ± 37,860.83 ha or 378.61 km2, and used as the extent of technical reference of this study at once. A. Topography and Slope Conditions Based on topographical conditions, Palu city area can be divided into three altitude zones, namely :

127501-6868 IJCEE-IJENS © February 2012 IJENS

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International Journal of Civil & Environmental Engineering IJCEE-IJENS Vol: 12 No: 01

1) Some regions of western part and eastern side extend from north to south, eastern part of northern way and northern part of western side which extend from north to south is a lowland / coast with an altitude between 000-100 meters above sea level (asl). 2) Unidirectional the western part of western and southern sides, eastern regions to the south and northern part to the east with an altitude between 101700 meters above sea level (asl). 3) The region of mountains with an altitude between 701-1500 meters above sea level (asl). Based on the result of topographic delineation analysis (see Figure 1), it shows that the territory of Palu as a valley city is dominated by a relatively flat slope from 0 to...