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All Journal TEKNIK MEDIA KOMUNIKASI TEKNIK SIPIL JURNAL KARYA TEKNIK SIPIL Journal of Engineering and Technological Sciences Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi
Frida Kistiani
Departemen Teknik Sipil, Fakultas Teknik, Universitas Diponegoro
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering

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PENGARUH PEMBEBASAN LAHAN TERHADAP RISIKO PROYEK KONSTRUKSI (STUDI KASUS SOCIAL ENGINEERING PROYEK JALAN TOL RUAS SEMARANG BAWEN) Hermawan, Ferry; Kistiani, Frida; Djoko Santoso, Tanto
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (173.599 KB) | DOI: 10.14710/teknik.v32i2.1706

Abstract

Semarang-Solo toll road has strategic significance for the development of the national road network inparticular in Central Java and also for the development of road networks in the regional scale. At stage 1 is thesegment Semarang-Bawen along 23.1 km is divided into sections 1 Semarang-Ungaran along 14.1 km requireland acquisition area of 52.23 Ha and 7.8 km long in Semarang district with an area of land acquisition needs60.37 Ha. Although he was pursued through the vacant lands, but in reality also crossed the road infrastructureor splitting the existing environment. Land acquisition is a fundamental problem of construction project and it ispart of the risk of infrastructure procurement. Purely technical approach sometimes can not always solve theproblem to minimize the risk. So this condition is sometimes often be in the realm of social engineering.
Model Simulasi Risiko Rantai Pasok Material Proyek Konstruksi Gedung Hatmoko, Jati Utomo Dwi; Kistiani, Frida
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1184.222 KB) | DOI: 10.14710/mkts.v23i1.14697

Abstract

Delays related to materials are one of main problems of construction project. An effective supply chain management has a significant role in preventing this type of delay. The aim of this research is develop risk simulation model of construction supply chain in buildings. The materials include steel bars, steel profiles, formwork, and precast concrete, as they are considered the main building material. The supply chain risks are classified from supply, control, process, and demand sides. Monte Carlo simulation has been performed using Cristal Ball software. Risk identification was done through literature review, site observation, and interviews with 29 contractor personnel  working for nine building projects. The simulation results show that the minimum, maximum, and most frequent delays (in days), as follows: steel bars (2.20. 17.05, 11.24); steel profiles (2.12, 15.10, 9.75), formwork (1.79, 16.04, 10.45), precast concrete (1.76, 15.61, 10.24).  The sensitivity analysis shows that delay due to change order from client is the most sensitive for  steel bars, steel profiles, and formwork of 25.5%, 37.4%, dan 17%, respectively. The results of this research is useful for contractors and owners who can use them as a guidance in identifying, predicting, and mitigating supply chain risks for a successful project.
Tinjauan Kuat Tekan dan Kuat Tarik Kayu Berdasarkan PKKI 1961, SNI M. 27 – 1991 – 03 dan SNI M. 25 – 1991 – 03 Kistiani, Frida
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.227 KB) | DOI: 10.14710/mkts.v14i2.3947

Abstract

Wood is as one of building materials which has  a specific characteristic compared to others such as steel and concrete. As a natural material wood has natural mechanical characteristics.  Wood classifies as anisotrophic material which has different mechanical characteristic within its stress, tension, bending, and shear. (it has stresses in inline, perpendicular, and in skewed angle with  fibre direction). The various of it skewness of wood’s fibre, humidity, age,  and specific gravity has significant influence to the mechanical characteristic of the wood. The purpose of this paper is to explain how the differences of mechanical characteristic. Therefore a certain wood probably has many types of various fibre directions. This paper focuses to study on wood stress and tension characteristics.Keywords:  specific characteristik of wood, anisotrophic, influence factors, tension and stressPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3947[How to cite: Kistiani, F., 2006, Tinjauan Kuat Tekan dan Kuat Tarik Kayu Berdasarkan PKKI 1961, SNI M. 27 – 1991 – 03 dan SNI M. 25 – 1991 – 03, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 206-212]
Kegagalan Bangunan dari Sisi Industri Konstruksi Hermanto, Eddy; Kistiani, Frida
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 1, Edisi XXXIV, PEBRUARI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (160.11 KB) | DOI: 10.14710/mkts.v14i1.3933

Abstract

There are plenty of buildings faliured in Indonesia until now. The process of collapse was caused of redistribution of moment happened in its structure not like its structural design. Building failured can be happened and caused by human activities, nature behavioral characteristic and combination of them. Refer the structural aspect, structural system is the first and prime element of building that supported building forever where man to live in. There must have strong efforts to analyze structural system as a whole building to provide safety factor, especially before construction have done. The point of view can be explained in planning, architectural design, engineering, economics, and environment. The last factor to avoid building failure consist of people or public participation and regulation of inspection periodically must be involved in building development processed. Keywords: building failure, redistribution of momentPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3933[How to cite: Hermanto, E. dan Kistiani, F., 2006, Kegagalan Bangunan dari Sisi Industri Konstruksi, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 1, pp. 48-55]
STUDI PUSTAKA : ANALISA PENGARUH DESAIN TERHADAP DIRECT WASTE DAN INDIRECT WASTE YANG TERJADI PADA TAHAP KONSTRUKSI Safitri, Pebriani; Salsabila, Sarah; Wibowo, M.Agung; Kistiani, Frida
Jurnal Karya Teknik Sipil Volume 6, Nomor 4, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.28 KB)

Abstract

Construction waste (direct waste dan indirect waste) seringkali terjadi pada pelaksanaan proyek konstruksi. Tanpa disadari salah satu penyebab terjadinya construction waste adalah desain yang unik, baik itu desain asli maupun desain yang berubah. Oleh karena itu, tugas ini dilakukan untuk menganalisa besarnya pengaruh desain terhadap construction waste. Penelitian ini dilakukan pada salah satu proyek konstruksi yang sedang berjalan di Semarang yaitu proyek Marquis de Lafayette. Metode yang digunakan adalah studi pustaka dan wawancara (validasi). Dari analisa yang telah dilakukan didapat bahwa menurut beberapa penelitian terdahulu desain / perubahan desain adalah salah satu penyebab terjadinya waste pada tahap konstruksi dan dan berdasarkan hasil validasi bahwa responden / site manager mengatakan bahwa desain / perubahan desain merupakan salah satu faktor yang menyebabkan terjadinya waste pada proyek Marquis de Lafayette. Maka dapat disimpulkan bahwa desain / perubahan desain dapat berpengaruh terhadap waste (direct & indirect) yang terjadi pada tahap konstruksi, besar kecilnya pengaruh tersebut dapat dipengaruhi oleh beberapa hal, namun desain/perubahan desain merupakan salah satu faktor utama penyebab terjadinya waste pada tahap konstruksi.
APLIKASI METHOD PRODUCTIVITY DELAY MODELPADA ANALISA PENGARUH WASTEPEKERJA TERHADAP INDEKS KOEFISIEN PRODUKTIVITAS Pamungkas, Gita Silvia; Sayekti, Hananti Nur; Agung, Mochamad; Kistiani, Frida
Jurnal Karya Teknik Sipil Volume 6, Nomor 2, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.968 KB)

Abstract

Permasalahan yang sering terjadi pada proyek konstruksi berkaitan dengan human resources, dimana berperan penting sebagai pelaku pembangunan proyek konstruksi. Industri konstruksi juga menghadapi masalah waste. Jenis waste yang diamati adalah waste pekerja. Maka dilakukan penelitian dengan tujuan menganalisa prosentase waste pekerja, menganalisa indeks koefisien produktivitas pekerja, dan dampaknya terhadap Rencana Anggaran Biaya. Pekerjaan yang diamati adalah pekerjaan kolom meliputi pembesian, bekisting, dan pengecoran. Penelitian dimulai dengan pengumpulan data primer menggunakan metode wawancara untuk mendapatkan profil pekerja, dan observasi untuk mendapatkan data production cycle time, durasi delay (material, teknis, perilaku). Data primer tersebut dianalisa dengan menggunakan method productivity delay model untuk mendapatkan produktivitas, kemudian nilai produktivitas dikalikan dengan volume pekerjaan. Dengan menggunakan rumus untuk menghitung indeks koefisien produktivitas, didapatkan masing-masing nilai indeks koefisien produktivitas. Dari hasil analisa didapatkan prosentase waste pekerja pembesian sebesar 2,357%, bekisting sebesar 2,269%, pengecoran sebesar 1,332%. Sementara hasil perhitungan indeks koefisien produktivitas didapatkan untuk pembesian (pekerja=0,047, tukang besi = 0,021, mandor =0,05), bekisting (pekerja =0,063, kepala tukang= 0,008, mandor =0,008), pengecoran (pekerja = 0,55, kepala tukang = 0,09, mandor = 0,09). Beberapa faktor yang mempengaruhi produktivitas adalah pengalaman kerja, pengawasan, layout proyek, dan training / sertifikasi yang pernah diikuti oleh pekerja. 
Site Soil Classification Interpretation Based on Standard Penetration Test and Shear Wave Velocity Data Windu Partono; Muhammad Asrurifak; Edy Tonnizam; Frida Kistiani; Undayani Cita Sari; Kukuh Cahya Adi Putra
Journal of Engineering and Technological Sciences Vol. 53 No. 2 (2021)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2021.53.2.6

Abstract

Site soil classification provides vital information for predicting the soil amplification or the site factor. The site factor is important for calculating the surface spectral acceleration in the seismic design of buildings. Based on the Indonesian seismic code, site soil classification can be conducted by calculating the average standard penetration (N-SPT) resistance, the average shear wave velocity (VS) and the average undrained soil strength (Su) of the upper 30 m of a subsoil layer. Different results may be obtained at the same location when the site soil classification is predicted using N-SPT than when using VS data. The restriction of N-SPT values until a maximum of 60 compared to a VS maximum of 750 m/sec can produce different soil classes and will directly impact the calculation of the surface spectral acceleration. This paper describes the different results of site soil classification prediction calculated using the average N-SPT and the average VS, conducted at Semarang City, Indonesia. Site soil classification maps developed based on both datasets are also presented, to evaluate the different site soil classification distributions. Only soil classes SD and SE were observed using N-SPT maximum 60, whereas soil classes SC, SD and SE were observed using N-SPT maximum 120.
Pengukuran Kepuasan Kontraktor terhadap Kinerja Klien pada Proyek Konstruksi Pemerintah Noviana Dwi Hastuti; Neno Ayu Luthfia; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 2, Nomor 3, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (758.719 KB)

Abstract

Assessment of contractor satisfaction towards client performance of government-funded construction projects in Semarang. Research conducted to identify client performance that cause dissatisfaction. Six indicators were used i.e: understanding of project requirements, finance, decision making, management skills, support to contractor, attitude which developed into variable. The contractor satisfaction assessment obtained from Customer Satisfaction Index (CSI) and Importance Performance Analysis (IPA) method. Results of analysis client satisfaction performance level and determine the variables that are to be improved. The results can be used as feedback for clients to improve their performance in construction project.
ANALISIS PROSES PENGADAAN MATERIAL PROYEK KONVENSIONAL DAN PROYEK ENGINEERING PROCUREMENT CONSTRUCTION (EPC) (Studi Kasus : Proyek Pembangunan Gunawangsa MERR Apartement Surabaya dan Proyek EPC 1 Banyu Urip Cepu) Moh. Nur Sholeh; Shifa Fauziyah; M. Agung Wibowo; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (377.223 KB)

Abstract

Nowadays, construction project has been progressing well, it uses new technologies, materials and contract models. A new contract model is EPC (Engineering, Procurement and Construction). At Conventional contract, commonly used in highrise building projects which involves many participants such as owner, design consultant, general contractor, and management construction consultant. While, Engineering, Procurement and Construction (EPC) project involves general contractor only. In EPC project general contractor is the main actor in the engineering process, procurement until construction. EPC Contract is suitable to build facility of processing oil and gas. This research uses the project of Gunawangsa MERR Apartment and EPC 1 Banyu Urip as case studies of conventional project and EPC’s project. The goals are to analyze procurement organization and procurement material process at conventional project and EPC project, also to find out the weakness and strength of material procurement process from the both projects. The procurement process of materials on EPC projects uses the Material Tracking System (MTS) to manage the procurement process of materials because of the complexity of the project. In addition, the project EPC uses materials and equipments that have special specifications and are not available in the market so we need a system to manage the process of ordering, fabrication until materials can be delivered on time so it will not make any delays in the project. Because the material procurement process in EPC projects require time for fabrication so that procurement of materials has been performed on engineering phase. Therefore, the EPC project has its own material procurement organization which is directly supervised by a procurement manager. Where any personnel involved have a clear task.Meanwhile , the conventional material procurement project carried out by the logistics which is directly supervised by a project manager for the material procurement process which is much more simple when compared with Material Tracking System in EPC. In addition, the materials of conventional project are available in the market so that procurement is not through a specific manufacturing process and is often performed on construction phase. However, because the procurement process is undertaken during construction so that when there is a problem or difficulty in getting material it  will result any  project delays.
EVALUASI PELAKSANAAN SERTIFIKASI LAIK FUNGSI UNTUK GEDUNG PEMERINTAH DI KOTA SEMARANG Bima Iskandar; Sarah Nur Eka Dini; Jati Utomo Dwi Hatmoko; Frida Kistiani
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (311.211 KB)

Abstract

The condition of buildings in the Semarang City, still needs to improve in reliability, this is because there are already several examples of building failures building before the design life, even up to swallow the casualties. From these problems the Government provides a solution in the form of SLF (certificate suitable function). SLF is a certificate issued by the local government to declare the reliability of a building, before the building is utilized / used. SLF was first listed on the Act No. 28 of 2002 regarding Building, Government Regulation No.36, and guidelines made by the Ministry of Public Works SLF 25 / PRT / 2007. Boundary problem in the research is the implementation of the SLF predicament for government-owned buildings in the city of Semarang by considering the function of government-owned buildings used for public purposes, while giving precedence to SLF buildings intended for public use such as: offices, schools and hospitals. For the implementation of the SLF field still constrained some major factors such as ownership of IMB is still minimal, as well as regulation of the mayors of Semarang on the SLF has not been established. To overcome the existing problems then use SWOT analysis. The use of SWOT aims to find an overview of the strategies of existing problems. In a SWOT analysis and supporting data needed SLF implementation constraints, which are then classified based on the strengths, weaknesses, opportunities and threats. After classifying the data and then given the weight of each. From the results incorporated into the subsequent weighting diagram SWOT analysis and obtained turnaround strategy. This strategy shows that the condition of SLF in Semarang is located on opportunities and weaknesses. Then, in solving problems SLF in the city of Semarang is by taking advantage of opportunities to minimize the weaknesses. One example of this strategy is effective immediately sanction available to the public in violation because of the passage of sanctions yet.
Co-Authors Agung, Mochamad Ainal Hamdah Aritonang Arif Hidayat Arif Hidayat Arif Hidayat Arif Hidayat Benediktus Warno Sitinjak Beryl Adityanto Bima Iskandar Dana Aswara dedy Ardiansyah Devinta Elga Traulia Dhani Syafitri Dolly Anugrah Eddy Hermanto Edy Tonnizam Evy Agustina Purba Ferry Hermawan Greecencia M. Limbong Hanintyo Hadiman Hasmi Nailul Hizkia Kurniawan Tarigan Jati Utomo Dwi Hatmoko Khanif Ragil Pamungkas Kukuh Cahya Adi Putra M A Prasaji M Agung Wibowo M. Agung Wibowo M. Agung Wibowo M. Agung Wibowo M.Agung Wibowo M.Syihabul Umam Masyhur Irsyam Moammar Zachari Mochamad Agung Wibowo Moh. Nur Sholeh Mohammad Lazuardi Imaduddin Mohammad Sinan Prasantadi Monica Ade Kurnia B. Muhammad Asrurifak Muhammad Asrurifak Nadia Tiaramita Neno Ayu Luthfia Noviana Dwi Hastuti Pamungkas, Gita Silvia Rachmawati Edy Lestari Ramli Nazir Restu Rama Bayu Adi Safitri, Pebriani Salsabila, Sarah Sarah Nur Eka Dini Satria Sentik Herman Merukh Satrio Agung Utomo Sayekti, Hananti Nur Shifa Fauziyah Sony Irawan Sriyana Sriyana Tanto Djoko Santoso Undayani Cita Sari Windu Partono Yanuar Asmara Putra Yanuar Danu Wijaya Yovi Arsianto