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All Journal Jurnal Spektran MEDIA KOMUNIKASI TEKNIK SIPIL

Ida Bagus Ngurah Purbawijaya

Dosen Jurusan Teknik Sipil, Fakultas Teknik, Universitas Udayana, Denpasar

Author-ID : 2933842

Civil Engineering, Building, Construction & Architecture

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Mitigasi Non Revenue Water (NRW) Sistem Jaringan Distribusi pada District Meter Area (DMA) Zona Kota Blahbatuh PDAM Gianyar Yekti, Mawiti Infantri; Gede Pebriarta Pratama, Ida Bagus; Ngurah Purbawijaya, Ida Bagus
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 2, DESEMBER 2019
Publisher : Department of Civil Engineering, Diponegoro University

The most common problem with drinking water supply is Non Revenue Water (NRW). NRW can be grouped into two types, namely physical water loss and non-physical water loss. This study aims to determine the NRW size, NRW causes, counter measures that can be done to suppress NRW. The results of evaluation of distribution networks that occur in the Blahbatuh City Zone District Meter Area (DMA) PDAM Gianyar. The difference between the amount of water distributed and the amount of water recorded in the account is NRW. The way to find out the cause and control of NRW is to analyze the results of the step test, UFM test (Ultrasonic Flow Meter), and conduct the interviews with employees of PDAM. The evaluation of distribution networks is only done in DMA Pande that has completed data. The amount of NRW that occured in the Blahbatuh City Zone is 474,142.83 m3/year (59.91%). The water loss is caused by damage to pipe accessories, leaky pipes, inaccuracies in the accuracy of the water meter. The water loss can be overcame by establishing a DMA, replacing pipe accessories, calibrating and replacing water meters. The evaluation results for the existing conditions of the distribution network in DMA Pande of Blahbatuh City Zone have not worked optimally. It seen from the results of the waternet and from the number of SRâ€™s that have not met the requirements for the formation of a DMA.

ANALISIS RISIKO PELAKSANAAN PEMBANGUNAN JALAN TOL BENOA – BANDARA – NUSA DUA Ni Putu Mega Astiti; I N. Norken; IBN. Purbawijaya
JURNAL SPEKTRAN Vol. 3, No. 2, Juli 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Benoa-Bandara-Nusa Dua toll road project is the first toll road project in Bali. This highway connects region Nusa Dua with Benoa Harbour area. Construction of toll roads-Benoa-Bandara-Nusa Dua is claimed as the fastest highway development in Indonesia as completed within 14 months. With time so short that the implementation of development it is necessary to research on the risks that arise in the implementation phase of the construction of the toll road The existence of the risks that arise in the implementation of toll road construction will directly impact the cost and development time. It is necessary in order to study the risks that might occur notably members of the dominant risk category can be used as a basis for decision making by the parties concerned to overcome the negative consequences that occur in the construction of toll roads. The research was conducted by means of interviews with various parties and has expert competence in the implementation of toll road construction to determine how the possibility (likelihood) against a variety of risks and to determine how much influences (Consequences) risk. The number of risks identified in this study was as many as 54 risks. The distribution of revenue risk of the project is a total of 18 (33.33%) classified as unacceptable risk, 25 (46.29%) classified as undesirable risk, 9 (16.67%) classified as acceptable risk, 2 (3.7%) classified as negligible risk. Handling risk (risk mitigation) is only performed on the dominant risks are risks that are categorized as unacceptable and undesirable. Risk mitigation conducted on a total of 18 risk unacceptable risk. 25 risk mitigation undesirable risk. Based on the results of this mitigation is then performed risk management ownership (ownership of risk) to the parties involved in the implementation of toll road construction project.

MANAJEMEN RISIKO PADA PROYEK KONSTRUKSI DENGAN METODE FAST TRACK STUDI KASUS PROYEK QUNCI VILLAS DAN PUTRI NAGA KOMODO I Gusti Ketut Wirawan; I K. Sudarsana; , IBN. Purbawijaya
JURNAL SPEKTRAN Vol. 3, No. 2, Juli 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

The rapid economic development such as now day, it need a construction method that may provide a facility faster and less cost. Therefore, fast track method has been widely applied in project management as happened in Qunci Villas Project at Lombok and Putri Naga Komodo Project at Loh Liang of Komodo Island. Fast track construction method has potential risks that can interfere the success of the project. This study aims to identify the risks, especially the mayor risk, to formulate the mitigation action, and to determine the risk ownership. This study was conducted using qualitative descriptive method by identifying the risks arising during the implementation of the fast track method on Qunci Villas and Putri Naga Komodo Projects through the study of literature, brainstorming, interview using questionnaires to those who knew or were involved in the project. So the frequency and magnitude of the consequences of each risk can be known. Then the risk assessment can be conducted to determine the mayor risk and the minor risk. Then determining mitigation action for the mayor risk to reduce the negative impact that may arise. Then allocating the risk ownership in other to the mitigation action can be handled properly. The risk identified totaled 25 risks consisting of : 1 risk (4%) which was medium risk rating, 6 risks (24%) which were high risk rating, and 18 risks (72%) which were extreme risk rating. The mayor risk amounted to 24 risks (96%). The mayor risk which were high risk rating consisting of : 1 planning risk, 3 technical risks, 1 project risk and 1 criminal risk. While mayor risk which were extreme risk rating consisting of : 5 technical risks, 10 project risks, 2 financial risks, and 1 human risk. Mitigation action were handled by reducing likelihood and consequence. The most risks ownership were allocated to the contractor.

MANAJEMEN RISIKO PADA PEMBANGUNAN PENGEMBANGAN HOTEL YANG SEDANG BEROPERASI ( STUDI KASUS PADA PEMBANGUNAN EXTENSION VILLA HOTEL ALILA UBUD ) I Ketut Yasa Dharmika; GAP. Candra Dharmayanti; IBN. Purbawijaya
JURNAL SPEKTRAN Vol. 3, No. 2, Juli 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Construction of the hotel development is carried out without cessation of the hotel operations have a bigger challenge because of many things such as: accesses to the hotel, material loading area, noise, safety of guests and hotel staff, working time, demonstrations, etc should be well managed in order to minimize the impacts to hotel operation. Risk is the chance of occurrence of adverse events, which is caused by the uncertainty. The research aims to identify, analyze and how the risks can be managed. The method in this research is Descriptive Qualitative Risk Analisis. Respondents determined by Purposive Sampling, from various stakeholders who are competent in this development. The research are identified 47 risks. Eleven risks are unacceptable risk includes : noise, licensing, planning of MEP works, declining of contractor profit, the rising cost for build a new access roads, land slides, limited parking, hotel access interference, discomfort of the hotel’s guests and staff, disruption in the project work time and delay of project completion due to interruption by the hotel operations. Nineteen risks are undesirable risk includes: public opinion, decreasing of green open land, insufficient capacity of the existing facilities, difficulties in the hotel's marketing, declining of the hotel room’s selling prices, the declining of satisfaction level of hotel guests, decreasing of hotel’s profits, lack of project scope, nappropriate strategy for supplying material and equipment and lack of competence of the project consultants and contractors, inappropriate standard of job’s handling, lack of quality control, inappropriate project organizational, improper work methods, limited area for materials loading, decreasing of cleanliness levels of the hotel, insufficient noise isolation blocks. Ten risks are acceptable risk and seven risks are negligible risk. Major risks are unacceptable and undesirable risk, which are need to be managed by determining their allocation, ownership and mitigation actions.

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.

Co-Authors A.A. Wiranata Agus Gede Putra Wiryawan Dewa Ayu Septyadnya Dewi Dharmayanti, Gusti Ayu Putu Candra Gede Pebriarta Pratama, Ida Bagus Hasan Wanandi Hasan Wanandi - I Gusti Ketut Wirawan I Gusti Ngurah Diwangkara I Ketut Sudarsana I Ketut Suputra I Ketut Yasa Dharmika I Made sutrisna Ari Kesuma I Nyoman Norken Mawiti Infantri Yekti Ni Ketut Juli Puspasari Ni Nyoman Pujianiki Ni Putu Mega Astiti Ni Wayan Lilik Piramida Eka Sari Putu Indra Permana

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