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All Journal Jurnal Ilmiah Elektronik Infrastruktur Teknik Sipil Jurnal Spektran Jurnal Teknobisnis

I Nyoman Norken

Program Studi Teknik Sipil, Universitas Udayana, Bali

Author-ID : 331787

Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management

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MANAJEMEN RISIKO TAHAP KONSTRUKSI PEKERJAAN PENINGKATAN JARINGAN IRIGASI DAS (DAERAH ALIRAN SUNGAI) TUKAD SUNGI DI KABUPATEN TABANAN I Nyoman Norken; Kadek Diana Harmayani; Ni Putu Indah Yuliana
JURNAL SPEKTRAN Vol 7 No 1 (2019): Vol. 7, No.1, Januari 2019
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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RISK MANAGEMENT AT THE CONSTRUCTION STAGE OF IMPROVING THE IRRIGATION NETWORK OF THE SUNGI RIVER WATERSHED AREA IN TABANAN REGENCY ABSTRACT The implementation of irrigation network improvement project in Sungi River Watershed is quite complex because it is related to water regulation system by water user farmer association (subak). In the implementation there are various risks that may affect the cost, quality and timing of the project. The purpose of this study was to identify risks, assess and determine the acceptance of risk, determine the dominant risk and mitigation actions and risk ownership for the dominant risk. The research was conducted in the Irrigation Areas (IA) of Cangi, Bunyuh, and Baru Kedokan with a combination method (quantitative and qualitative descriptive). The data collection was done by distributing questionnaires to respondents directly involved in the project implementation. The number of respondents was 20 people and selected by purposive sampling. The results showed identified risks of 36 risks with 14 risks of previous research outcomes and 22 risks from brainstorming results. The risk assessment and acceptance results were categorized as undesirable 52.78%, acceptable 33.33%, negligible 13.89%, and no risk was found in the category of unacceptable. Mitigation was conducted on the undesirable risks by making changes to the initial design plan in accordance with the field conditions, intensifying the implementation of the supervision in the field and carrying out the work in accordance with the operational standards and procedures contained in the contract. The ownership of risk was allocated to the parties involved in the project implementation including job owners 8 risks, supervisory consultants 9 risks, contractors 16 risks and farmer community 1 risk. The undesirable risk should be the concern of the parties involved in the project so that the final results of the work were in accordance with quality, cost, and time planned.

PARTISIPASI MASYARAKAT PEMAKAI AIR DALAM OPERASI DAN PEMELIHARAAN EMBUNG DI KABUPATEN KARANGASEM I G. Oka Wiradnyana; I N. Norken; I G. B. Sila Dharma
JURNAL SPEKTRAN Vol 1, No 1, Januari 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Karangasem regency is one area of dry areas in the province of Bali. This area has limited surface water resources in some area, and the rivers are partly a intermittent, which there is no water in the dry season, so as to meet the needs of raw water is very difficult. One alternative to overcome this, the government has built the small reservoir, called the Embung. In order to meet the embung system sustainable, the participation of water users in the operation and maintenance of Embung is required. This research aims to determine the influence of human resources (HR) factors, funding, ideas and effort, and organization in the operation and maintenance of Embung. Number of samples obtained in these research as many as 290 respondents is calculated by Slovin theory formulation of the total 1.045 family heads of water user population. Community participation is measured statistically using the independent variables, namely human resources (X1), funding (X2), ideas and effort (X3), organization (X4), as well as the operation and maintenance of embung as the dependent variable (Y). Data results of the questionnaire, scored into a Likert scale, further processing was carried out by multiple linear regression analysis. using statistical software Statistical Package for Social Science (SPSS) version 19. The results showed that there is participation of water user in the operation and maintenance of embung in the regency of Karangasem, which can be shown from the resulting regression equation model, where all the regression coefficients of each variable are positive. Independen variables also have a significant influence on the dependent variable, with Fhitung (= 2316,926) > Ftabel (= 1,96). While the most dominant variable effects on the operation and maintenance of embung is organization's variable, with the ? value of 0.382, followed by ideas and effort variable (? = 0.329), proceeded by funding (? = 0.302), and the lowest is the human resources (HR) variable (for ? = 0.283)

ANALISIS RISIKO PADA RENCANA PEMANFAATAN MATA AIR METAUM DI DESA MARGA KABUPATEN TABANAN Ketut Asmara Putra; I Nyoman Norken; Kadek Diana Harmayanti
JURNAL SPEKTRAN Vol 6 No 1 (2018): Vol. 6, No. 1, Januari 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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One of the strategies to fulfil the needs of raw water in Tabanan is to plan for utilization of Wellspring of Metaum as a source of raw water. Before deciding to take the spring water source of Metaum as raw water, it was indicated the potential failure of either the pre-construction, the construction and the post-construction for example in the management of groundwater abstraction permits and the determination of trace pipeline network. The risk analysis was conducted on the plan to use the Wellspring of Metaum in Marga village of Tabanan, descriptive and qualitative methods. Data were collected through questionnaires that distributed to 28 respondents based on purposive sampling method. The result showed that there were 44 risks in the utilization plan of Wellspring of Metaum. These included 14 unacceptable risks, 24 undesirable risks and 6 acceptable risks. This indicated that the utilization of Wellspring of Metaum has a high level of risks, especially for the unacceptable categories and the undesirable risk categories. The mitigation actions that should be performed were dissemination and lobbying to the religious leaders / people directly affected as well as a limitation of protection for the sacred area. While mitigation action for the undesirable risks can be conducted through dissemination and personal approach through district level officials, village or neighborhood small units directly affected. The risk ownerships of the unacceptable risks were the Local Government / Central Office / Central River Region of Bali-Penida, Consultant / Contractor and the people. For the risk taker of the undesirable risk category are the Local Government / Central Office / Central River Region Bali-Penida, Consultant / Contractor and the people. Keywords : risk analysis, Wellspring of Metaum, Mitigation, Risk Ownerships.

MANAJEMEN RISIKO DALAM PROSES ESTIMASI BIAYA PADA PROYEK KONSTRUKSI GEDUNG BERTINGKAT DI KOTA DENPASAR Ida Ayu Praniti Tresna Putri; I N. Norken; I B. Rai Adnyana
JURNAL SPEKTRAN Vol 4 No 2 (2016): Vol. 4, No. 2, Juli 2016
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract : On the implementation of the construction project, financing is the main consideration due to the number of large and vulnerable to various risks. Cost control is the beginning of the estimates. An inaccurate estimation could have a negative impact on the whole process of construction. Because of estimation is reference in preparing the budget and used as control of the cost of projects, then required to major risk analysis that can be used as a basis in the mitigation. This research was conducted with qualitative descriptive method by interviews and survey. Data was collected by distributing questionnaires to the respondents using purposive sampling method, which simply selecting respondents who were competent and expert about the possible risks. The number of respondents was 25 who represent 8 construction project belonging to the government which is located in Denpasar. The results showed that there were 40 risks identified, from literature identified 16 risks and from brainstorming identified 24 risks. Than from 40 risks there are 34 major risks which was 9 risks classified as unacceptable and 25 risks classified as undesirable. Most dominant risks were the risks of estimator team and project. There were 16 mitigation measures at an unacceptable risk and 41 mitigitation measures at an undesirable risk. Most dominant risks were the risks of contractors and owner.

KOMPARASI MODEL HIDROGRAF SATUAN TERUKUR DENGAN HIDROGRAF SATUAN SINTETIS (STUDI KASUS DAS TUKAD PAKERISAN) Ayub Benny Kristianto; I Nyoman Norken; I Gusti Bagus Sila Dharma; Mawiti Infantri Yekti
JURNAL SPEKTRAN Vol 7 No 1 (2019): Vol. 7, No.1, Januari 2019
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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COMPARATIVE MODEL OF MEASURED UNIT HYDROGRAPH WITH SYNTHETIC UNIT HYDROGRAPH (CASE STUDY OF TUKAD PAKERISAN WATERSHED) ABSTRACT Several methods and models of Synthetic Unit Hydrograph (SUH) have been developed to assist in the process of hydrological analysis within a Watershed. These methods include Snyder, Nakayasu, GAMA I, Limantara and ITB. The SUH methods are widely used by practitioners in calculating flood discharge, without knowing the deviations of these methods when compared to measured unit hydrographs in a watershed. This causes the SUH models give an overestimated or underestimated results to the measured unit hydrograph. Therefore, comparative SUH models are needed to determine the deviation of each model, and if necessary adjust the coefficient of the SUH model so that the SUH model approached the measured unit hydrograph in a watershed. Comparative studies of several SUH and measured unit hydrograph were performed on the Tukad Pakerisan watershed in Gianyar Regency-Bali. The measurable unit hydrograph comparisons on the watershed with the SUH Snyder, Nakayasu, GAMA I, Limantara, ITB-1 and ITB-2 models have significantly deviated results. This deviation is shown in three unit hydrograph parameters which include peak discharge (Qp), peak time (Tp), and base time (Tb). The SUH Snyder model with adjustment coefficient Ct = 0.800 and Cp = 1.052 very close to measured unit hydrograph of Tukad Pekerisan watershed with deviation less than 5%.

ANALISIS KEPUASAN PELANGGAN PDAM KOTA DENPASAR DITINJAU DARI ASPEK TEKNIS Separdi Haja; I N. Norken; I Ketut Suputra
JURNAL SPEKTRAN Vol. 3, No. 1, Januari 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract : Regency Water Supply Company (PDAM) of Denpasar city is one of the PDAM that have a healthy predicate from 2009-2012 based on the results by the assessment Development Support Agency of Water Supply System (BPPSPAM). But in fact many customer complaints are heard in the newspaper and electronic media. From PDAM of Denpasar city annual report in 2013, there were 6,738 cases of complaints regarding service and 83.38 percent came from the technical aspect. This research aims to determine the level of customer satisfaction, the indicators that affect customer satisfaction and indicators affecting what should be improved to increase customer satisfaction reviewed from technical aspect. This research was conducted in Denpasar city with the 398 respondents who are household customer PDAM of Denpasar. The analysis took based on the Importance-Performance analysis and Gap analysis. Importance-Performance analysis resulted in indicators of influence and should be improved to increase customer satisfaction. While the Gap analysis showed the level of customer satisfaction PDAM of Denpasar city. The majority of customer were dissatisfied with the service received from technical aspects. Shown from the Gap of -1.01 and suitability level of performance and the importance is worth 0.76 (less than 1). The level of customer satisfaction PDAM Denpasar city for complaints of the piping aspect (-1.09) is at a low level satisfaction (-1,059 < I < -1,01), while satisfaction level for the water quality (-0.982), water continuity (-0.975), speed installation of new connections (-1.003) and water meters (-0.973) are at moderate levels of satisfaction(-1,01 < I < -0,961). The indicators that affect customer satisfaction are the clarity of the water, smelly water, flavored water, chemical content, hours of availability of water in the life activity, alertness operators in the installation of new connection, reading the water meter, water meter repair damage, and alertness/speed handling of complaints about the piping. Some performance indicators should be improved by the PDAM of Denpasar city to improve customer satisfaction are the clarity of the water, the smell of the water, the availability of water at life activity, alertness operators in the installation of new connections, water meters repair damage, and alertness/speed handling of complaints about the piping.

KINERJA SISTEM JARINGAN DRAINASE KOTA SEMARAPURA DI KABUPATEN KLUNGKUNG Irma Suryanti; I N. Norken; I G. B. Sila Dharma
JURNAL SPEKTRAN Vol 1, No 1, Januari 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Urban drainage is one of basic facilities and infrastructure of a town which is cincidered quite important. Agood city needs to consider the condition of the drainage system, because if a settlement is flooded, it will greatly impact the lives of the city. Buildings will be easily damage, environments will be unhealthy and settlements will turn into slumps. The case of flooding is not only in big cities but also emerged in the town of Semarapura that extents only, 5,151 km2. From the conditions on ground, puddles can still be found in some locations, so based on the fact it is necessary to issue reviewing Semarapura drainage system to improve the drainage system in the region. The study in this research has the sense of a systematic search of the drainage problems from an investigation in order to get treatment effort. The approach applied in this research was exploratory and descriptive analytical approach. Data were collected through questionnaires an in-depth interviewers with selected agencies using purposive sampling method. Data analysis was perfomed by descriptive qualitative using likert scale to measure the attidudes, opinions and perceptions of tge performance of the drainage system. The analysis was performed with the aids of SPSS version 20.0, through several stage of the test process to the data sample. The result of the study showed that the influence of the level of maintenance operation, technical management and overall was high at 93,5% with the regression equation Y = -4.874 + 0.405 X1 + 0.228 X2 + 0.089 X3 and the remaining 6.5% was influenced by other factors. From the equation it can be seen that the maintenance operations were more dominantly affected on the performance of the drainage system in Semarapura town District of klungkung compared with management and technical. The effort carried out to increase performance system of Semarapura town drainage network is to construct a structured system of maintenance operations so that it can be performed on a regular basic, establish drainage management institutions that it’s authority and responsibility can be coordinated as directed an make clear rules of management system, make repairs damage drainage infrastructure in accordance with the technical requirement.

EFEKTIVITAS PENGELOLAAN IRIGASI DENGAN SUMUR POMPA GUNA MENINGKATKAN POLA TANAM DI KECAMATAN NEGARA, KABUPATEN JEMBRANA Agus Gede Putra Wiryawan; I N Norken; IBN Purbawijaya
JURNAL SPEKTRAN Vol 4 No 1 (2016): Vol. 4, No. 1, Januari 2016
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstrack : Jembrana Regency especially Negara District have two river caracteristics such as the river which located in western Melaya River only flow when the rainy season and the rivers located between western Klatakan river and eastern Pulukan river flow every years with low discharge. it caused failing of harvest. So the ground water used to supply the surface water needs. But, complaint comes from the farmer caused by the expensive cost of operational generating set. The approach doing by study and research directly to the well pump which located in Negara district. Purposive sampling used to determine the respondents in this quisionaires. Likert scale used to measure attitudes, opinon and perceptions from the respondents on data analyzed by descriptive qualitative. The research showed resource, subak organization, operational and maintenance generating set, pump, and financial. Work on 82% reaching effectiveness of irrigation management with pump well in Negara district. And, based on result of double linier regression simultaneous and partial, showed that the significant effect to effectiveness of irrigation management with pump well in Negara district, Jembrana regency.

PARTISIPASI MASYARAKAT SEKITAR DANAU BERATAN DALAM KONSERVASI SUMBER DAYA AIR A.A. S. Dewi Rahadiani; I G.B. Sila Dharma; I N. Norken
JURNAL SPEKTRAN Vol. 2, No.2, Juli 2014
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Lakes are one of the surface water resources in Bali Island which supports the socio-economic activities of the community. The growing economic activities either in the tourism or agricultural sector have their effects on the emergence of various problems such as the environmental pollution, shallowness of lakes and erosions. The emergence of various pollutions and the decreased functions of the Lake Beratan is not separable from the intervention of the community living surrounding the lake so that the conservation efforts need the community participation living surrounding the lake. This is based on the idea that the success of the conservation of water resources does not only depend upon the government but the involvement of the community also becomes a key factor. This study aims to identify and analyze the participation of the community living surrounding the Lake Beratan in the conservation of water resources. The number of samples used in this study was 98 respondents gathered by means of purposive sampling in the village of Kembangmerta, the village of Candikuning I and Candikuning II which are located close to the area of Lake Beratan and the majority of the people there use the lake water for daily needs. The community participation is divided into two categories, less participations and good participations, calculated based on Likert scale while the effect of free variables such as age (X1), education (X2), income (X3), length of living (X4), and perception (X5) on bond variables were calculated using discriminating analysis. The result of the study shows that the community participation surrounding Beratan Lake in conserving water resources had been good. The differentiating variables were the age of the respondents and their incomes.

PARTISIPASI SUBAK DAN PEMERINTAH TERHADAP OPERASI DAN PEMELIHARAAN PASCA PEMBANGUNAN INFRASTRUKTUR DISIMP II PADA DAERAH IRIGASI GADON DAS SUNGI DI KABUPATEN TABANAN Wayan Yuliartha; I Nyoman Norken; Kadek Diana Harmayani
JURNAL SPEKTRAN Vol 6 No 1 (2018): Vol. 6, No. 1, Januari 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.806 KB)

lack of Subakparticipation as a water user farmer association (P3A) and the Government of the Operation and Maintenance of the irrigation network which resulted in disruption of the network as a whole. In line with this, one of the activities to be carried out is the rehabilitation of Irrigation network in the River Basin of Empas-Sungi especially in GadonIrrigation Area in Tabanan on the activities of DISIMP II (Decentralized Irrigation System Improvement Project in Eastern Region of Indonesia Phase II), which aims to restore and improve the functions of network facilities and irrigation.The study was conducted on Gadon D.I Watershed of SungiRiver with explorative methods, that is, studying and evaluating DI Gadon on the Watershed of Sungi River, by conducting interviews with members of Subak and relevant agencies. 73 respondents were selected based on purposive sampling method to measure attitudes, opinions and perceptions of Subak and the Government using Likert scale. Data were analyzed using descriptive qualitative methods and Linear regression to determine the role of water control system and the government against the post-construction operation and maintenance of infrastructure of DISIMP II in Gadonirrigated areas in the watershed of Sungi River in Tabanan Regency.Regression analysis showed that the Government had shown a greater role withthe beta standardizedcoefficient value of 0.499 (49.9%), followed by the role of Subak / P3A amounting to 0.344 or 34.4% of the Operations and Maintenance while 15.7% was influenced by factors that had not been included in this study. In this study, Subak / P3A had the participation or role lower than the participation of the government. The results also showed that the increase in government participation and Subakwill improve the operation and maintenance of the irrigation network of post Infrastructure Development of DISIMP II either partially or simultaneously. Keywords: Participation, SubakGadon, Government, Operations and Maintenance.

Co-Authors A.A. S. Dewi Rahadiani Agus Gede Putra Wiryawan Ayub Benny Kristianto D. N. K. Widnyana Maya I B. Suryadmaja I G. Oka Wiradnyana I G. Suryadinata P I Gusti Agung Adnyana Putera I Gusti Bagus Sila Dharma I Gusti Ngurah Oka Suputra I Ketut Suputra I Made Ari Wahyudhi I Made Bayu Purnama I Nyoman Setiawan I Nyoman Yudha Astana I P. Alit Suthanaya I PUTU GUSTAVE SURYANTARA PARIARTHA I Wayan Deny Yoga Pratama Ida Ayu Praniti Tresna Putri Ida Bagus Ngurah Purbawijaya Ida Bagus Rai Adnyana Intan Puspita Ardi Irma Suryanti Kadek Diana Harmayani Kadek Diana Harmayanti Ketut Asmara Putra Kunta parmana Luh Komang Ayu Manuasri Mawiti Infantri Yekti Mayun Nadiasa Ni Ketut Juli Puspasari Ni Putu Indah Yuliana Ni Putu Mega Astiti Pande Pt Anggi Indraswari P. J Separdi Haja Siti Nur Indah Sari Wayan Sri Kristinayanti Wayan Yuliartha

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