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All Journal TEKNIK J@TI (TEKNIK INDUSTRI) MEDIA KOMUNIKASI TEKNIK SIPIL JURNAL SISTEM INFORMASI BISNIS JURNAL KARYA TEKNIK SIPIL IPTEK Journal of Proceedings Series Jurnal Transportasi Jurnal Konstruksia Journal of Engineering and Management in Industrial System Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Civil Engineering Dimension Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Prosiding Seminar Nasional Teknik Sipil UMS International Journal on Livable Space Jurnal Riptek Journal of Civil Engineering and Vocational Education
Jati Utomo Dwi Hatmoko
Departemen Teknik Sipil, Fakultas Teknik, Universitas Diponegoro
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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ANALISA MANAJEMEN RISIKO TAHAP KONSTRUKSI PADA PROYEK KERETA CEPAT JAKARTA-BANDUNG Adlina Kusumadewi; Virginia Listiana; Jati Utomo Dwi Hatmoko; Ferry Hermawan
Jurnal Karya Teknik Sipil Volume 6 ,Nomor 1, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Risiko merupakan suatu ketidakpastian yang mungkin terjadi di masa yang akan datang dan umumnya memberikan dampak yang negatif sehingga perlu dilakukan pengolahan terhadap risiko tersebut agar kerugian yang bisa ditimbulkan oleh risiko tersebut dapat dihindari. Manajemen risiko merupakan suatu ilmu atau seni yang dilakukan terhadap risiko dengan tujuan untuk dapat mengidentifikasi, menganalisa, merespon, serta mengendalikan risiko-risiko yang ada. Penelitian ini dilakukan pada Proyek Kereta Cepat Jakarta-Bandung yang pelaksanaanya dilakukan secara joint operation antara Indonesia dengan China. Tahapan yang dilakukan dalam penelitian adalah identifikasi risiko, analisa kualitatif risiko, dan perencanaan respon risiko ekstrim oleh pakar. Segala penilaian yang dilakukan pada penelitian ini dilihat dari sudut pandang kontraktor. Terdapat 65 risiko teridentifikasi yang relevan pada tahap konstruksi proyek yang terklasifikasi ke dalam 7 kategori. Risiko tersebut kemudian disimulasikan untuk mendapatkan risiko ekstrim dengan penyebab, dampak serta rencana respon risiko yang akan dilakukan ketika risiko ektrim tersebut terjadi. Terdapat 8 risiko kelas ekstrim dan 57 risiko kelas tinggi. Tiga risiko ekstrim dengan nilai indeks risiko tertinggi, yaitu : kesulitan dalam pembebasan lahan baik milik pemerintah atau pun milik masyarakat, hujan yang berkepanjangan, dan terdapat banyak utilitas (listrik, air, gas) yang perlu dipindahkan.
Kontribusi Sertifikasi SDM Konstruksi Terhadap Kegagalan Konstruksi Dan Kegagalan Bangunan Studi Kasus Provinsi Jawa Tengah dedy Ardiansyah; Hasmi Nailul; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil volume 1, Nomer 1, tahun 2012
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Abstrak - Salah satu faktor utama penyebab kegagalan konstruksi dan kegagalan bangunan adalah faktor SDM. Maksud penelitian ini adalah untuk mengetahui besar kontribusi pekerja konstruksi tersertifikasi, terhadap kegagalan konstruksi dan kegagalan bangunan. Penelitian ini memetakan besar prosentase SDM konstruksi yang tersertifikasi di Jawa Tengah, dan korelasinya terhadap kegagalan konstruksi dan kegagalan bangunan. Data pekerja konstruksi tersertifikasi didapatkan dari LPJKD Provinsi Jawa Tengah, sedangkan data jumlah seluruh pekerja konstruksi di Jawa Tengah didapatkan dari BPS. Data kegagalan konstruksi dan kegagalan bangunan didapatkan dari media massa online di Jawa Tengah. Hasil penelitian menunjukkan bahwa dari 178 kegagalan di Jawa Tengah, sebanyak 105 kegagalan (59%) didominasi oleh kegagalan pada struktur jalan. Rata-rata pekerja konstruksi yang tersertifikasi di Jawa Tengah yaitu sebesar 5,3%. Pada penelitian ini sebesar 30,7% kegagalan pada industri konstruksi dipengaruhi oleh variabel pekerja yang tersertifikasi, sedangkan lainnya disebabkan oleh variabel lain yang tidak diteliti. Pada uji korelasi didapatkan nilai sebesar-0,55. Hasil tersebut menunjukkan bahwa korelasi cukup atau berpengaruh, yaitu semakin besar pekerja konstruksi yang tersertifikasi di Jawa Tengah, maka peluang kegagalan konstruksi dan kegagalan bangunan akan semakin kecil. Untuk itu pemerintah melalui LPJKD Jawa Tengah, perlu melakukan pembinaan terhadap berbagai elemen masyarakat yang bekerja pada industri konstruksi tentang pentingnya sertifikasi pada tenaga kerja konstruksi. Kata Kunci : sertifikasi, kegagalan konstruksi, kegagalan bangunan, sertifikat keahlian (SKA), sertifikat keterampilan (SKT), SDM Konstruksi. Abstract - One of the main factors causing the construction failure is human factor. The purpose of this research is to investigate the contribution of construction workers who are certified toward the construction failure. This research is to map construction human resources who are certified in the Central Java Province, and to quantify its correlation with the construction failure. Data of the certified construction workers, the total number of construction workers in Central Java, and the construction failure data, was obtained from Construction Service Development Board (LPJK) in Central Java Province, Central Beuraw of Statistic (BPS), and from the mass media in Central Java. The results showed that of 178 failures in central java 105 (59%) are dominated by the structural failure of road project. The average construction worker are certified in Central Java is equal to 5.3%. In this research 30,7% failures in the construction industry is affected by variable of certified workers, while the other are caused by other variable not examined. The correlation value between construction workers certified toward construction failure is -0,55, which indicate a relationship. Its necessary for government with Construction Service Development Board (LPJK) in Central Java to educate actors in the construction industry on the importance of certification in the construction workers. Keywords: certification, construction failures, failure of the building, a certificate of the (SKA), a certificate of skills (SKT), human resources of construction workers.
ANALISA MANAJEMEN RISIKO PADA PROYEK PDAM SEMARANG (STUDI KASUS: PROYEK PEMIPAAN IPA KALIGARANG SEMARANG BARAT) Evy Agustina Purba; Monica Ade Kurnia B.; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 4, Nomor 4, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Every construction project especially for PDAM project which responsible for water distribution has some risk that affect the construction. One of the common problems which became risk for the PDAM project is the pipe leakage level. The average of indonesia’s pipe leakage level is more than 30%. This research is about risk management of IPA Kaligarang piping project analyzing based on Work Breakdown Structure (WBS). The aim of this research is to identify, analyze, evaluate and manage the existing risk of IPA kaligarang piping project. The matter of this research is limited for the construction phase. IPA Kaligarang Piping project is a project of West Semarang PDAM. Based on identification and risk assessment, IPA Kaligarang West Semarang PDAM piping project had 23 risks which is found almost at each Work Breakdown Strukture(WBS) project. For then more through analyzing and evoluation process, the result of this research is the risks of PDAM projects consist of two categories. The categories are moderate risk which has 14 work items (39%) and low risk which has 74 work items (61%). The whole 23 risks that found can be managed, like permitting risk can be managed by asking government approval, The risk of workers excalation or reduction can be managed by making the barchart of workers or reschedule, etc. The contractor is the one who responsible of the whole risk, and there’s no high risk that will obstruct the construction of IPA Kaligarang West Semarang piping project.
EVALUASI PENGGUNAAN BETON PRECAST DI PROYEK KONSTRUKSI Aziz Mudzakir Adiasa; Dimas Kurniawan Prakoso; Jati Utomo Dwi Hatmoko; Tanto Djoko Santoso
Jurnal Karya Teknik Sipil Volume 4, Nomor 1, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Innovative of utilization of precast concrete is growing rapidly lately, one of them is precast plate flyslab. The purpose of this research was to evaluate of utilization of precast concrete compared with conventional concrete in construction projects. Research is aiming to determine the level of use of precast concrete, analyzing the aspect of time, costs, workers, and the environmental impact of the use of precast concrete in building. Implementation method used is the literature study, interviews with the participants construction (contractor, consultant, purveyor and supervisor), and field observations of the four projects building two to three floors, including two residences, one home store and a school building. The results of the comparison between the Flyslab precast plate method with conventional method obtained average reduction as follows : the duration of work between 3,94% - 72,97%, the number of workers between 51,33% - 87,45%, budget-estimate plan between 3,05% - 37,57%, and the reduction use of timber as formwork and scaffolding between 90,11% - 98,81%. Overall utilization of precast Flyslab plate is cheaper, faster, laborers are few, and more friendly to the environment if compared with conventional cast plate in place.
ANALISA KOEFISIEN PRODUKTIVITAS TENAGA KERJA PADA PEKERJAAN PEMBESIAN Khubab Basari; Rendra Yoga Pradipta; Jati Utomo Dwi Hatmoko; Arif Hidayat
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Labor’s productivity is one of the success factors in construction project. The optimal labor’s performances can be measured using the productivities coefficient of the workers. The coefficient of productivities known as BOW analysis is further updated into SNI analysis. However, the value of labor’s coefficient productivity may be different at each location depending on their performances. For example the steel work labor’s who perform their work either outside or inside the project site. Therefore, this research takes some work sites on the steel workshop and the storey building project. The purpose of this study is to know the coefficient of labor’s productivity of steel working on the workshop and the storey building project. Then, the results of the observation is compare with the benchmarks that presents at this moment, which is BOW and SNI so can be obtained the optimum coefficient values of productivity. The results revealed that the coefficient’s value of steel labor productivity for foreman in workshop, building project, BOW, SNI are 0.0179, 0.0089, 0.00 and 0.004 respectively. The value of coefficient productivity for chief worker in workshop, building project, BOW, SNI are 0.00, 0.0089, 0.255 and 0.007 respectively. In the building project, the foreman and the chief worker do not only do steel working but also doing other types of job so it assumed that both of them are doing only 60% in steel working. The value of coefficient productivity for Vulcan in workshop, building project, BOW, SNI are 0.0359, 0.0592, 0.675 and 0.07 respectively. The value of coefficient productivity for assistant worker in workshop, building project, BOW, SNI are 0.0887, 0.0726, 0.675 and 0.07 respectively. Based on the coefficient value, it can be concluded that the order value of the optimum coefficient productivity of the worker is in the  workshop, building projects, SNI and BOW.
EVALUASI WASTE PADA PROYEK GEDUNG DI WILAYAH SEMARANG Hanintyo Hadiman; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Construction project have problems regarding waste, which can be in forms of Physical Construction Waste and Non-Value Adding Activity. The purpose of this research is to evaluate waste that occured in construction projects, while the aim of this research is to know the frequency and impact of waste, as well as the waste cause factor. The object of the research was waste on building project in the area of Semarang. Waste identification was carried outfrom literature, observation and interview and wereanalyzed using fishbone diagram to get waste cause factor variable. Waste variables were divided into four categories, i.e. waiting periods, material, human resources, and operations. Waste cause factor variables were grouped into six categories, i.e. people, professional management, design and documentation, materials, execution and external.Questionnaires were distributed to 100 respondents of 12 different contractors, with response rate of 65%. Data was processed by Weighted Mean Score (WMS) method. The results of this research showed that “extra work” waste had the highest frequency, “rework and repair” waste had the highest impact, and “slow drawing revision and distribution” and “design changes”, were the highest waste cause factors on building projects in the area of Semarang. The results of data processing also showed that structural works was type of work where waste often occurred. The result of risk-waste matrix showed that “extra work” was included into high risk-waste category which means it could cause serious disruptions to the project execution and company’s finance.
PENILAIAN KERUSAKAN DAN KERUGIAN INFRASTRUKTUR PUBLIK AKIBAT DAMPAK BENCANA BANJIR DI KOTA SEMARANG Ilham Sahid Wismana Putra; Ferry Hermawan; Jati Utomo Dwi Hatmoko
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 25, No 2 (2020): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v25i2.2154

Abstract

Flood is a disaster that has the biggest threat, in terms of the number of victims or losses. Semarang City is a city that is classified as a flood prone area, this is due to the geographical location in the lowlands and highlands. The impact of the flood disaster caused damage and losses from various sectors of public infrastructure including the education service sector and health services. Damage and loss of public infrastructure will burden the government in the post-flood recovery phase. An assessment of infrastructure damage and losses from flooding is needed in order to help the Semarang City Government prepare a budget plan and manage rehabilitation and reconstruction. The purpose of this research is to explore the loss of public infrastructure due to the impact of the flood disaster, so that it can accelerate the post-disaster recovery process and management strategies for the risk of further flood disasters. The valuation method used is ECLAC (Economic Commission for Latin American and the Caribbean) Method. This method can identify damage and estimate the losses caused by floods. The results of this study are that each public infrastructure building has a different level of damage and loss and the budget allocation for disaster management each year is still inadequate. A risk transfer strategy is needed with an insurance financing scheme based on the level of risk in each infrastructure building.
Risk Management of West Semarang Water Supply PPP Project: Public Sector Perspective Jati Utomo Dwi Hatmoko; Riza Susanti
IPTEK Journal of Proceedings Series No 1 (2017): The 2nd International Conference on Civil Engineering Research (ICCER) 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i1.2191

Abstract

While the need for water supply infrastructure development keeps increasing, many local governments of Indonesia are facing problems related to limited funding. This condition opens up an opportunity for private sector to invest in water supply infrastructure projects through Public Private Partnership (PPP) scheme. As this scheme is relatively new for many local governments in Indonesia, its complexity and typically long duration of the concession period may raise concerns of potential risks throughout the project life cycle. It is, therefore, very important for public sector as owner of the project to understand and to be able to manage risks properly throughout the concession period. The aim of this research is to evaluate risk management of West Semarang Water Supply PPP Project as perceived by public sector. The objectives are to identify, to analyze, and to allocate risks to the right parties. Qualitative and quantitative approaches have been used for the research method. Data were collected through focus group discussion involving 16 relevant officials of local government of Semarang, including its Regional Water Supply Company (PDAM). This research has identified a total of 66 risks as perceived by the public sector, which are then classified into 11 categories, e.g. political, operation, revenue, etc. The proportions of the level of risks are relatively balanced, as follows; low (37.88%), moderate (28.79%) and high (33.33%). In terms of risk allocation, 46.97% of risks are allocated to the public sector, while 37.88% and 15.15% of the risks are allocated to the private sector and shared by both parties, respectively. The results of this research are valuable for the local government of Semarang and can be used as a guidance in managing risks of the PPP project throughout the concession period.
BEBAN MAKSIMUM, TEGANGAN, LENDUTAN DAN MOMEN CURVATUR PADA VARIASI JEMBATAN BETON BALOK T DENGAN MENGGUNAKAN SOFTWARE RESPONSE 2000 Yoga A. Harsoyo; Ahmad Hilmi Saifunuha; Mochamad Agung Wibowo; Jati Utomo Dwi Hatmoko
Konstruksia Vol 13, No 1 (2021): Jurnal Konstruksia Vol 13 No. 1 Tahun 2021
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (719.891 KB) | DOI: 10.24853/jk.13.1.113-127

Abstract

Jembatan menjadi media transportasi utama untuk menghubungkan suatu daerah yang terpisah oleh sungai, rel kereta, atau lembah. Analisis jembatan digunakan untuk mengetahui gaya – gaya yang terjadi dan dapat menghindari terjadinya musibah runtuhnya jembatan. Pada penelitian ini bertujuan untuk mengetahu beban maksimum, tegangan, lendutan dan momen curvature yang terjadi pada jembatan beton balok T. Data – data yang digunakan pada penelitian ini menggunakan data yang diasumsikan. Pembeban jembatan dilakukan pada benda uji dengan acuan SNI 1725:2016. Data pembebanan jembatan berupa gaya aksial yang terjadi pada jembatan. Analisis ini dilakukan menggunakan software response – 2000. Panjang bentang jembatan sebesar 15 m dengan luas penampang yang sama dan tulangan yang sama tetapi memilik dimensi yang berbeda. Hasil analisis berupa grafik tegangan, lendutan, load max deflection dan momen curvature. Grafik tegangan mendapatkan hasil berupa gaya tekan dan gaya tarik yang bekerja pada jembatan. Tegangan terkecil terjadi pada BT 1 sebesar 24,81 MPa. Lendutan yang dihasilkan memdapatkan data yang bervariasi dengan lendutan terkecil sebesar 174,59 mm pada tengah bentang. Momen curvature terjadi karena momen yang menyebabkan curvature pada balok dengan momen curvature terkecil pada BT3 sebesar 44,526 rad/km. Beban ultimate mempengaruhi lendutan yang terjadi dengan beban terbesar terjadi pada BT 3 sebesar 117,163 kN.
PEMBUATAN BIOPORI SEBAGAI UPAYA PENINGKATAN LAJU INFILTRASI DAN CADANGAN AIR TANAH SERTA PENGENDALIAN BANJIR Arif Hidayat; Mochamad Agung Wibowo; Jati Utomo Dwi Hatmoko; Frida Kistiani; Ferry Hermawan; Satria Sentik Herman Merukh; Moammar Zachari
Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Vol 3, No 3 (2021)
Publisher : Fakultas Teknik Universitas Diponegoro

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Abstract

Perubahan iklim global yang terjadi saat ini sangat mempengaruhi lingkungan hidup manusia, hal ini juga mempengaruhi perubahan karakteristik iklim atau cuaca, halmana durasi musim hujan kadang memasuki pada musin kemarau / panas demikian juga sebaliknya, secara umum durasi musim hujan makin pendek, sebaliknya durasi musim kemarau makin panjang. Jumlah hari hujan cenderung semakin menurun, sementara hujan harian maksimum dan intensitas hujan cenderung semakin meningkat. Banyaknya lahan hijau yang berubah menjadi bangunan atau permukaan tanah yang tertutup akan mengakibatkan semakin meningkatkan limpasan air permukaan juga berakibat pada menurunkan resapan air ke dalam tanah. Kecamatan Tembalang merupakan salah satu wilayah di Semarang yang mengalami pesatnya pembangunan, hal ini bermula dari berdirinya kampus Universitas Diponegoro, kelurahan Bulusan merupakan salah satu wilayah yang terdampak akan hal tersebut, untuk itu maka tim pengabdian kepada masyarakat dari Teknik Sipil melakukan kegiatan Sosialisasi dengan pembuatan Biopori di wilayah tersebut sebanyak 24 buah biopori. Pelaksanaan kegiatan dilakukan di RW. V (RT.01, RT.02, RT.03 dan RT.04), diharapkan dengan diberikan bantuan pemasangan biopori beserta sosialisasi kepada masyarakat dapat meningkatkan semangat untuk melakukan swadaya di lingkungan rumah masing-masing, sehingga bisa memberikan dampak yang baik dalam mengatasi permasalahan banjir dan cadangan air tanahnya.
Co-Authors Adlina Kusumadewi Ahmad Hilmi Saifunuha Ainal Hamdah Aritonang Alfonsus Vico Santosa Alif Fatoni Andreas Maruli Tua Nababan Andreas Stiven Wibowo Antika Diah Cahyani Apsari Setiawati Ardhan Herdianto Ari Wibawa Budi Santosa Arif Hidayat ARIF HIDAYAT Arif Hidayat Arif Hidayat Ashrie Nur Ghaisani Wahyono Audiyati Ishmata Hani’a Ayunda Dewi Ratih Tanjungsari Azalia, Nashwa Aziz Mudzakir Adiasa Bagus Hario Setiadji Beryl Adityanto Bima Iskandar dedy Ardiansyah Deffa Jati Febrianto Desi Marantika Dimas Kurniawan Prakoso Dony Yunianto Yunianto, Dony Yunianto Evy Agustina Purba Ferry Hermawan Ferry Hermawan Ferry Hermawan Firdaus, Naurah Raudhatul Fitrianto, Taufiq Frida Kistiani Frida Kistiani Frida Kristiani Geofanny Dominica Sihaloho Gildam Satria Greecencia M. Limbong H Hermawan Hanintyo Hadiman Hasmi Nailul Himawan Indarto Hizkia Kurniawan Tarigan Ilham Sahid Wismana Putra Islam Filardli, Abdullah Malik Islami, Rizky Citra Iswanto Amperawan Jeni Pujiastuti Joko Yulianto Eko Warsito Khubab Basari Kristiani, Frida M. Agung Wibowo Marsinta Simamora Matias Roy Adi Wijaya, Matias Mayang Dhisyacitra Moammar Zachari Moch Bayu Erwinsyah Mochamad Agung Wibowo Mochamad Agung Wibowo Moh Djaeni Monica Ade Kurnia B. Muhammad Agung Wibowo Muhammad Hanif Muhammad Yudha Albar Muhammad, Rizdian Arsyal Neno Ayu Luthfia Noviana Dwi Hastuti Praja, Wisnu Kurnia Prasetio, Riki Pratistha, Raden Arya Putri, Dita Mentari Rendra Yoga Pradipta Riqi Radian Khasani Riqi Radian Khasani Riqi Radian Khasani Riqi Radian Khasani Riza Susanti Rizki Fatmawati Ronny Albar M Ruliana Febrianty S. Suripin Sarah Nur Eka Dini Satria Sentik Herman Merukh Setorini, Andhika Ajengtyas Sony Irawan Sri Sumarni Stefanus Catur Adi Prasetyo Stefanus Catur Adi Prasetyo Stefanus Catur Adi Prasetyo, Stefanus Catur Adi Sutantiningrum, Kartika Hapsari Tanto Djoko Santoso Taqy, Muhammad Ravy Arkan Taufiq Lilo Adi Sucipto Titaley, Audysti Giacinta Uki Kusuma Herdiva Utama, Rahmana Pria Virginia Listiana Wahid, Sifa Nur Warsito, Joko Yulianto Eko Wibowo, Mochamad Agung Yoga A. Harsoyo Zein, Ahmad Rifqy