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Jurnal Spektran

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Published by Universitas Udayana

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Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

Jurnal Spektran merupakan berkala ilmah online yang dikelola oleh Program Magister Teknik Sipil, Program Pascasarjana Universitas Udayana. Terbit pertama kali pada bulan Januari 2013 dan selanjutnya diterbitkan 2 kali setahun setiap bulan Januari dan Juli. Jurnal Spektran mempublikasikan hasil penelitian dan kajian dari mahasiswa, akademisi, praktisi dan pengamat masalah ketekniksipilan.

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Articles 252 Documents

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PENGELOLAAN PERMUKIMAN KUMUH BERKELANJUTAN DI PERKOTAAN Wulfram I. Ervianto; Sushardjanti Felasari
JURNAL SPEKTRAN Vol 7 No 2 (2019): Vol. 7 No. 2, JULI 2019
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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SUSTAINABLE URBAN SLUMS MANAGEMENTABSTRACTIndonesia’s population tends to increase with a relatively high population growth, with year-over-year growth reaching ± 1,45%. Globally, Indonesia occupies the sixth position just after Laos (2,3% per year), Phillipines (2,0% per year), Brunei Darussalam (1,9% per year), Malaysia (1,8% per year), and Cambodia (1,8% per year). If it is not followed by government policies, it has the potential to evoke negative impact, namely the increasing number of slum settlements. That is why a study is needed to manage settlements based on spatial use. In addition, building planning that is able to provide comfort and health for its users is needed. The purpose of the study is to formulate settlement management based on spatial use and building design that accomodates environmental aspects. The approach used in the study is based on the principles of sustainable developments and study documents by Direktorat Cipta Karya. Some of the principles proposed are accomodating about land use, population mobility, utilization of renewable energy, urban economics improvement, social development, and accessibility.

KARAKTERISTIK POLA PEMAKAIAN DAN PELAYANAN AIR BERSIH DI WILAYAH USAHA PAM PT. TIRTAARTHA BUANAMULIA I B. Suryadmaja; I N. Norken; I G.B. Sila Dharma
JURNAL SPEKTRAN Vol. 3, No. 1, Januari 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract : The purpose of this study is to determine how the pattern of usage, behavior and water services in the areas of business of PAM PT.Tirtaartha Buanamulia (PT.TB) using qualitative descriptive methods such as survey research instrument (observation) and questionnaires of 337 samples, consisting of domestic water consumption and non- domestic . The result of the analysis showed that the average water consumption in some parts of sub-district of Kuta (Kedonganan village, Tuban village and Kuta village), the business area of PAM PT. TB, amounts to 243.49 liters /person /day. Average water use in the District of South Kuta (Pecatu village, Ungasan village, Kutuh village, Benoa vilage, Tanjung Benoa village and Jimbaran village) amounts 168.01 liters/person/day. Calculation of water demand for star hotels based on the results of the study on average is 726.84 liters /room/ day and non-star hotels 43.85 liters/room/day, the need of water for the restaurant and the restaurant is based on the research of 18.85 liters/seat/day, water usage for educational facilities based on the results of the study amounted to 9.99 liters/person/day, the water requirements for health facilities based on the research needs 562.13 liters /bed/day. The amount of non- domestic water needs based on research results which was 72.69 % of the domestic water needs, is the basis for the provision of water by PAM PT. TB at this time and in the future. The analysis of the results showed that the community of water users in the area of business PAM PAM PT. TB had a good perception of the PAM service; this is evidenced by the level of customer satisfaction to achieve 73.07 % PAM services for domestic and non- domestic 100 %. This study also showed the willingness of subscribers received 10 % increase in the tariff.

ANALISIS KINERJA JALAN PADA RENCANA PELEBARAN JALAN IMAM BONJOL DENPASAR Putu Asih Anggarini; Putu Alit Suthanaya; I Wayan Suweda
JURNAL SPEKTRAN Vol 6 No 2 (2018): Vol. 6, No. 2, Juli 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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ABSTRAK Jalan Imam Bonjol Denpasar yang termasuk dalam ruas jalan nasional Denpasar – Tuban merupakan salah satu jalan arteri primer yang memiliki peranan penting dan padat lalu lintas. Pesatnya perkembangan tata guna lahan di sekitar jalan ini serta tingginya volume lalu-lintas yang melewati ruas jalan ini berakibat pada menurunnya tingkat pelayanan jalan sehingga sering menimbulkan kemacetan. Sebagai solusi dari masalah tersebut, pemerintah merencanakan peningkatan kapasitas jalan melalui pelebaran jalan Imam Bonjol, dengan menutup permukaan Tukad Teba menggunakan box culvert. Penelitian ini dilakukan untuk menganalisis kinerja jalan Imam Bonjol Denpasar tanpa dan dengan adanya pelebaran jalan. Data yang digunakan untuk analisis kinerja jalan adalah berupa data sekunder yang diperoleh dari instansi terkait. Hasil analisis menunjukkan bahwa kinerja jalan Imam Bonjol kondisi eksisting (tahun 2019) tanpa adanya pelebaran mencapai derajat kejenuhan sebesar 1,61-2,14, dengan tingkat pelayanan F pada setiap segmen. Kinerja jalan Imam Bonjol pada tahun 2019 apabila rencana pelebaran dilakukan mengakibatkan perubahan derajat kejenuhan menjadi 0,41 s.d 1,00, dengan tingkat pelayanan jalan menjadi bervariasi antara B s.d E.

EVALUASI SIMPANGAN STRUKTUR AKIBAT PENAMBAHAN LANTAI DENGAN METODE ANALISIS STATIK DAN DINAMIK RESPONSE SPECTRUM (Studi Kasus : Pembangunan Gedung Dekanat Fakultas Teknik UNTIRTA) Soelarso Soelarso; Baehaki Baehaki
JURNAL SPEKTRAN Vol 5 No 2 (2017): Vol. 5, No. 2, Juli 2017
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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The Advancement of Science and Technology made Indonesians increasingly concerned about education at the university so that the increasing of students must be balanced with the development of education building infrastructure. In 2015, have been built 3 floors which functioned as offices for Dean Faculty of Engineering Untirta, but in the process of implementation is done re-design with the addition of 3 floors above it to meet space requirement at the Faculty of Engineering Untirta. This research was conducted to re-analyze the deflection of structure building in order to know the deflection of structures due to the addition of load and the effect of earthquake force, so that can be evaluated to plan the addition of floor as much as 3 floors in Faculty of Engineering Untirta building structure. The analytical method used are the equivalent static analysis and dynamic response spectrum analysis using the computer program Extended Three dimensional Analysis Building System (ETABS). Resulted from 3D model analysis with the addition of 3 floors, the behavior of structures in the modes 1,2 and 3 respectively happened translations X direction, Y direction and Z axis rotation. Base shear force that occurred for 1.549.45 kN at X direction and 1.581,06 kN at Y direction. Maximum deflection that happened at 298,65 mm due to earthquake load X direction, 249,59 mm due to earthquake load Y direction. The deflection value has exceeded the allowable deflection limit of 186 mm, so that the existing structures cannot resist against the working load due to the addition of the floor according to the design standard of SNI 03-1726-2012.

ANALISIS BIAYA DAN PENANGANAN LOKASI RAWAN KECELAKAAN AKIBAT KECELAKAAN LALU LINTAS DI KOTA DENPASAR I.G.A Putri Adnya Swari; P. Alit Suthanaya; I.N. Widana Negara
JURNAL SPEKTRAN Vol. 2, No.2, Juli 2014
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Denpasar city has a traffic accident rate is high compared to most other regions. Contributing factor is the traffic condition, which is an accumulation of traffic conditions the interaction of the various characteristics of driver, vehicle, road infrastructure and environmental characteristics. By that condition, it needs an effort to identify the black site, black spot, the cost of accidents and treatment efforts to reduce traffic accidents. The research has used secondary data from local police department as an accident data from 2007 until 2011 and survey’s data on the location. Of which data continue to be analyzed with the number of accident to find out the black site with Z-score method and to determine the black spot with cusum method. While the analysis of accident cost using the method of Gross Output (Human Capital). In restraining accident, a research should be done to identify causing accident factors. Based on analysis of black site obtained that the lines of the street in denpasar as an black site is on quadrant A, consisting of Ngurah Rai By pass line, Gatot Subroto and Imam Bonjol lines. The Cusum determination done to identify the location of black spot found on Ngurah Rai Bypass street Sta 8 - Sta 9 with cusum score 12,938.The cost of accident victims and accident costs were highest in 2011 in the amount of 36.988.633.141/year and 81.267.473.411/year. Recommendation from the research is that government should observe safety factors for the roadway users with put in traffic sign and the other safety facilities on research areas which has black spot.

ANALISIS RISIKO PRESERVASI JALAN SP. TOHPATI – TAMPAK SIRING – ISTANA PRESIDEN, KABUPATEN GIANYAR, PROVINSI BALI I Gusti Ayu Widyantari; Didi Supriadi Agustawijaya; Suryawan Murtiadi
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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Road Preservation Project Sp. Tohpati - Tampak Siring - Presidential Palace, Gianyar Regency is implemented to reduce congestion, to shorten travel time and to smoothen the traffic flow from Denpasar city to Gianyar regency especially to the Presidential Palace. Risks may occur during the construction period of this project. This study aims to identify, analyze, mitigate and allocate risk, so it can be used as a basis for decision-making by related parties to overcome the negative impacts that occur. This research was used qualitative and quantitative methods. Data was collected through a questionnaire survey. Risk was analysieds using quantitative method by identifying the dominant risks. The identified dominant risks obtained were analyzed using the Analitycal Hierarchy Process (AHP) method to rank the dominant risks based on its urgency of treatment. The results showed that 11 (eleven) sources of risk obtained risk acceptability for unacceptable, undesirable, acceptable, and negligible with the percentage of 11.76%, 16.18%, 47.06% and 25.00 respectively %. The results shows that the dominant/major risks covers lack of qualified and competent project workforce resulting in poor job quality, the presence of workers who do not use safety equipment while working, and fatigue due to the large number of work done at night (asphalting work). The rank of priorities based on the greatest weight resulted from AHP analysis includes are project, technical, safety, human, economic and financial risks, and finally political / regulatory risks respectively. Contractor is the party most responsible for the risks that occur.Keywords: Risk, road preservation, SPSS, AHP

ANALISIS KEPUASAN PENGGUNA JASA PEMELIHARAAN DAN PERBAIKAN ATAS PELAYANAN UPT-PP (UNIT PELAKSANA TEKNIS PEMELIHARAAN DAN PERBAIKAN) POLITEKNIK NEGERI BALI I Made Aryana; I M. Alit K Salain; I W Yansen
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

ABSTRACT: PNB is avocational education institution. With vocational predicate, PNB have diverse learning facility. In order for these assets remain in top condition (ready to use), there should be a special unit that handles maintenance and repair issues. UPT-PP (Unit Pelaksana Teknis Pemeliharaan dan Perbaikan) is one of the units in PNB which has a function implementing maintenance and repairs of all assets, and all equipment used in the activities of the learning process. UPT-PP has the functions and responsibilities are quite heavy and vital in supporting the smooth learning activities both theory and practice. This situation demands UPT-PP should have good human resources, competent, reliable and should be supported by the provision of hardware and software that is adequate. This study aims to determine the value of service user satisfaction level of maintenance and repair of services given by UPT-PP Politeknik Negeri Bali and identify the factors that need attention in order to increase user satisfaction with the services UPT-PP Politeknik Negeri Bali. Retrieval of data obtained from the spread of the questioner about facts and reality associated with service quality and user expectations UPT-PP Politeknik Negeri Bali. While the calculation of the correspondence between the level of quality and user expectations UPT-PP is the comparison of the quality weight with the weight of expectations/interests. This conformity level will show the level of user satisfaction with the services. Results of a descriptive analysis of user satisfaction with the services UPT-PP can be determined by the value of the conformity level. After analysis, the conformity level of each dimension is obtained from the tangible value 81.08%, conformity level of reliability79.04%, conformity level of responsiveness to the value of 81.09%, the assurance dimension with value 84.20% and dimensions of empathy with the conformity value 83.23%. From five dimensions of conformity level assessment between service quality expectations of service users UPT-PP Politeknik Negeri Bali is 81.07% or user satisfaction level can achieve 81.07%. The advice can be given to UPT PP services is able to calculate the time it takes to handle a case, time discipline and may provide an explanation to user about problems experienced and can establish a harmonious working relationship to all service users, in order to increase the trust of all users.

ANALISIS INTRUSI AIR LAUT PADA SUMUR GALI DI KAWASAN CANDIDASA KARANGASEM Ni Nyoman Pujianiki; I Gusti Bagus Sila Dharma; Ida Ayu Meitri Wijayantari
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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ANALISYS OF SEAWATER INTRUSION THE DIG WELLS AT CANDIDASA KARANGASEM Water intake in large quantities and uncontrollable in Candidasa area can cause groundwater level deceased, which will cause the flow reversed from sea to land and cause intrusion of seawater into the mainland. It is also mentioned in Karangasem regency regulation article 24 number 3 point H that seawater intrusion prone area located in Candidasa and Tulamben area. This study aimed to invetigate how far is the effect of seawater intrusion based on soil water conductivity value, considering the position of interface, and maximum debit can be taken to prevent wide intrusion. This research method uses descriptive quantitative method. Furthermore, to determine the extent of the intrusion occured, measurement to the value of well conductivity, measurement of groundwater level, depth of the well, well elevation and well distance from beach line for the 5 sample of wells. Interface position counted using the equation of Badon Ghyben-Herzberg, and the debit maximum exploitation counted using the equation of Mercado and Schmorak. The result of this study showed that the value of conductivity decreased, if the distance of well getting farther from the beach line. There are 3 wells getting intrusion with conductivity value of more than 1000 mS/cm, the 3 wells has distance of less than 100m from beach line. Interface position in the location of this study has got intrusion in distance of 81,52m from beach line. The maximum debit allowed ranged from 1,448 m3/days until 125,90 m3/days. As references to prevent wide intrusion, therefore to dig next well it is better to use distance of more than 100m from beach line, with interface deep that still under value of MSL, with well depth of ±15m

ANALISIS PRODUKTIVITAS METODE PELAKSANAAN PENGECORAN BETON READY MIX PADA BALOK DAN PELAT LANTAI GEDUNG Ariany Frederika; Ida Ayu Rai Widhiawati
JURNAL SPEKTRAN Vol 5 No 1 (2017): Vol. 5, No. 1, Januari 2017
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract: Implementation method technology of multi-storey building concrete construction is experiencing significant growth, both in material processing and casting equipment. Several casting equipment including concrete lift and concrete pump have different productivities which contribute to time and cost. This research aims to analyze the productivity of casting equipment, time and cost required, as well as the break-even point of casting method of ready mix concrete application on the beams and the floor slabs of buildings, particularly on the second- floor, third- floor and forth-floor using concrete lift and concrete pump. Data was obtained by conducting interviews and observations concerning casting implementation of building construction projects that use K-300 ready- mix concrete. Regression and Correlation analysis are used to obtain time and cost comparison between both method of casting implementation, as well as Break Even Point analysis to obtain breakeven point of casting volume with regards to cost and time. The analysis showed that casting productivities using lift on first, second and third floor are 7,166 m3/h, 5,945 m3/h, 5,125 m3/h, while the productivities using concrete pump on first, second and third floor are 36 m3/h, 30 m3/h , 24 m3/hour. Cost comparison of 1 m3 increment of casting using concrete lift and concrete pump is Rp. 99 330: Rp.19.000 (5.23: 1), while time ratio is 8.272 minutes: 2,172 minutes (3.8: 1). Breakeven point analysis towards casting cost showed that the second floor which has volume greater than 95.89 m3, using concrete pump method is more optimal than concrete-lift.

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.

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