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All Journal Jurnal Teknik Sipil Semesta Teknika BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Reviews in Civil Engineering Jurnal Ilmiah Rekayasa Sipil Jurnal Teknik Sipil Jurnal Riset Rekayasa Sipil Construction and Material Journal
Adwitya Bhaskara
Universitas Teknologi Yogyakarta
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Transportation

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Recommendation of Knockdown Building Design at Yogyakarta Sand Dunes (Restricted and Heritage Areas) Bhaskara, Adwitya; Nugraheni, Fitri; Hanafi, N. Faried
Semesta Teknika Vol 22, No 1 (2019): MEI 2019
Publisher : Semesta Teknika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.221239

Abstract

Sand dunes located in Special Region of Yogyakarta Indonesia is a restricted caused by the heritage and there only four spread in hemisphere one of them in Yogyakara, Indonesia. To build in sand dunes area building could not be built arbitrarily. Portable and knockdown is the character of the building that could be adjust to the conditions in Sand dunes. By the observation results compact building design with cold formed steel material for the main building material is the recommendation of this case. The design is then consulted with sub-contractors who are expert in their expertise as the validation stage, it is feasible to be transformed into a real building for the specific needs. Output of this research is recommendation of portable building model in modular form, where the design recommendation has been adjusted with building requirement in heritage and restricted area, which is also an area prone to tsunamis and wind disasters, therefore the recommended building are; easy to remove, easy to disassemble (knockdown), forward tsunami load, efficient cost and time (using cold formed steel material and prefabricated GRC), eco friendly (zero waste), does not require many workers (less man power).
Identifikasi Risiko Menggunakan IBPRP dan JSA Berdasarkan PERMEN PUPR NO. 21 Tahun 2019 (Studi Kasus: Pekerjaan Struktur Fondasi Pada Proyek Pembangunan Gedung Layanan Pembelajaran Fakultas ISIP Universitas Jendral Soedirman Purwokerto) Riyan Riski Kurniawan; Adwitya Bhaskara
Jurnal Ilmiah Rekayasa Sipil Vol 18 No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v18i1.485

Abstract

ABSTRACT Construction project of building frequently has risk. Often occurring risk often is job accident. Job accident may be one of causes inhibiting project job activity. According to the data of Social Health Organizing Agency for labor, the job accident rate was 130.926 in 2017. Application of a good Construction Safety Management System is expectable to minimize resulting risk probability. This study used method of Danger Identification and Opportunity Risk Assessment (IBPRP) and Job Safety Analysis (JSA) deriving from PURR Government Regulation Number 21/2019. This study aimed at finding IBPRP and JSA designs as well as analogy of problem identification and control variables of foundation job in the Construction Project of Learning Service Building (FISIP) of General Soedirman University of Purworejo. The results of IBPRP and JSA analysis indicated that risk identification and risk rate of foundation job in construction project of Learning Service Building (FISIP) of General Soedirman University of Purwokerto, the foundation job had 48 risks identified from 11 job sequences. All of the 49 identified risks were in low risk rate, where rate value of matrix 2 (two) and 14 risks had rate value of matrix 4 (four). Keywords: Construction Safety Management System (SMKK), risk, risk rate, risk matrix, IBPRP, JSA.
EARNED VALUE CONCEPT TERHADAP BIAYA DAN WAKTU MENGGUNAKAN METODE CRASHING SHIFT KERJA Studi Kasus: Proyek Pembangunan Workshop 3 Madiun Rama Pratama; Adwitya Bhaskara
Jurnal Teknik Sipil Vol 11, No 2 (2020): Oktober
Publisher : Universitas Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36448/jts.v11i2.1543

Abstract

Pembangunan workshop 3 madiun ini merupakan salah satu bangunan baru yang direncanakan terdiri dari 2 lantai dengan material penyusun utamanya  baja. Bangunan yang direncanakan durasi sekitar 210 hari kalender dengan 8 jam kerja perhari. Bangunan mengalami keterlambatan di minggu 10 selama 20 hari setelah melakukan Earned Value Concept. Bangunan akan direncanakan menggunakan metode crashing shift kerja agar untuk meminimalisir durasi yang terlambat dan biaya lebih besar dari biaya sebelumnya. Penelitian kali ini  akan merencanakan pada Workshop 3 kota Madiun menggunakan metode crashing shift kerja. Penelitian ini dimaksudkan untuk mendapatkan hasil perbandingan durasi dan biaya yang didapat dari penggunaan metode crashing shift kerja yang dianalisis dari data proyek.     Metode penelitian bersifat deskriptif-analisis mengumpulkan data untuk perencanaan metode shift kerja dan membandingan waktu dan biaya pelaksanaan sebelum dan sesudah menggunakan metode crashing shift kerja. Data yang diambil menggunakan data sekunder yaitu data yang didapatkan melalui media perantara atau tidak dilakukan sendiri oleh peneliti. Data sekunder berupa laporan penyelidikan, penelitian sebelumnya, bukti yang telah ada dan juga dokumen-dokumen dari proyek tempat penelitian.     Project acceleration dengan alternatif penambahan kerja shift pagi dan shift malam menunjukkan persentase durasi sebesar 28,10% atau 151 hari dan persentase biaya sebesar 1,47% lebih mahal dari total biaya sebelumnya. Rencana anggaran biaya normal untuk pelaksanaan 210 hari kalender adalah sebesar Rp. 19.416.533.660,29 sedangkan setelah di crashing biaya proyek menjadi sebesar Rp. 19.701.197.940,37.
ANALISIS PENJADWALAN WAKTU DAN BIAYA PROYEK DENGAN MENGGUNAKAN LINEAR SCHEDULING METHOD Adwitya Bhaskara; Fuad Muhammad Maulana; Alfatsya Mubian Masagala
Jurnal Teknik Sipil Vol 12, No 2 (2021): Oktober
Publisher : Universitas Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36448/jts.v12i2.2246

Abstract

Metode penjadwalan secara umum terbagi menjadi beberapa jenis metode diantaranya, Bagan Balok dan Kurva S, Diagram Jaringan dan Diagram Garis Keseimbangan/Linear Scheduling Method (LSM).Oleh karena itu sangat penting untuk menentukan metode apa yang harus dipakai pada suatu proyek kontruksi agar dalam pembangunan proyek tersebut tidak mengalami kerugian baik dari segi materi, waktu, dan lainnya.Studi kasus pada penelitian ini adalah Proyek Pembangunan Jalan Madang-Jarak kecamatan Muara Harus Kabupaten Tabalong Provinsi Kalimantan Selatan, yang sebelumnya direncanakan menggunakan metode Barchat/ Bagan Balok dan Kurva S dengan waktu perencanaan 100 hari kalender dan biaya sebesar Rp 6,809,461,168.91.Pemilihan proyek ini berdasarkan pertimbangan bahwa proyek ini masuk dalam kategori pekerjaan dimana setiap itemnya dilakukan secara berulang dan bisa menggunakan metode Diagram Garis Keseimbangan/Linear Scheduling Method (LSM). Dari hasil analisis menggunakan Metode Linear Scheduling Method (LSM) menunjukkan percepatan penyelesaian pembangunan proyek dengan waktu 70 hari, lebih cepat satu bulan atau 30 hari dengan perencanaan sebelumnya yang merencanakan selesai pada 100 hari kalender, hal tersebut dikarenakan dalam metode Linear Scheduling Method (LSM). menggunakan pengelompokkan item pekerjaan yang bisa dikerjakan secara bersamaan sedangkan dari segi biaya menghabiskan dana sebesar Rp 6,894,277,700.35 lebih mahal dari biaya sebelumnya yang menghabiskan dana sebesar Rp 6,809,461,168.91. Dengan selisih biaya sebesar Rp 84,816,531.44 hal tersebut dipengaruhi oleh banyaknya tenaga kerja yang digunakan
Recommendation of Knockdown Building Design at Yogyakarta Sand Dunes (Restricted and Heritage Areas) Adwitya Bhaskara; Fitri Nugraheni; N. Faried Hanafi
Semesta Teknika Vol 22, No 1 (2019): MEI 2019
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.221239

Abstract

Sand dunes located in Special Region of Yogyakarta Indonesia is a restricted caused by the heritage and there only four spread in hemisphere one of them in Yogyakara, Indonesia. To build in sand dunes area building could not be built arbitrarily. Portable and knockdown is the character of the building that could be adjust to the conditions in Sand dunes. By the observation results compact building design with cold formed steel material for the main building material is the recommendation of this case. The design is then consulted with sub-contractors who are expert in their expertise as the validation stage, it is feasible to be transformed into a real building for the specific needs. Output of this research is recommendation of portable building model in modular form, where the design recommendation has been adjusted with building requirement in heritage and restricted area, which is also an area prone to tsunamis and wind disasters, therefore the recommended building are; easy to remove, easy to disassemble (knockdown), forward tsunami load, efficient cost and time (using cold formed steel material and prefabricated GRC), eco friendly (zero waste), does not require many workers (less man power).
AN ANALYSIS OF DESIGN FLOOD DISCHARGE IN PARANGJOHO WATERSHED USING THE METHODS OF SYNTHETIC UNIT HYDROGRAPH (SUH) AND SOIL CONVERSATION SERVICE (SCS) ridwan abadi akbar; Adwitya Bhaskara
Reviews in Civil Engineering Vol 4, No 2 (2020): Reviews in Civil Engineering
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/rice.v4i2.3037

Abstract

Abstract.Floods always come suddenly and unexpectedly, and lots of people living in the flood-prone area can be the victims. As happened on February 2, 2020, a number of rice fields, roads, and houses belonging to the residents in the Parangjoho watershed, Eromoko District, Wonogiri, with 9.8-km river length and 32.59-km2 area, was flooded due to heavy rain for some time which flushed the Eromoko area, therefore, the river flow could not accommodate the volume of water that entered and overflowed. This was what motivated researchers to calculate the design flood discharge to be able to carry out the flood control.The methods of calculating the design flood discharge in the Parangjoho watershed used the Nakayasu Synthetic Unit Hydrograph (SUH) Method and the Soil Conservation Service (SCS) Method, using the rainfall data from the Bengawan Solo Central River Region at Parangjoho Station. The rainfall data used were from 2000 to 2019.
KOMPARASI BIAYA DAN WAKTU PEKERJAAN TIANG PANCANG METODE HYDRAULIC STATIC PILE DRIVER DENGAN DROP HAMMER Muhammad Indra Pratama; Adwitya Bhaskara
Reviews in Civil Engineering Vol 4, No 2 (2020): Reviews in Civil Engineering
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/rice.v4i2.3038

Abstract

Kondisi tanah di Indonesia memiliki berbagai macam jenis tanah untuk tiap wilayahnya, keanekaragaman itu menjadikan setiap wilayah memiliki sifat-sifat tanah yang berbeda dan daya dukung tanah yang berbeda. Sifat tanah dan daya dukung tanah sangat mempengaruhi dalam dunia konstruksi karena fungsi tanah sebagai pendukung fondasi dari sebuah bangunan. Fondasi merupakan bagian dari konstruksi bangunan yang penting karena berfungsi untuk meneruskan beban yang disalurkan dari stuktur atas ke tanah dasar. Fondasi yang digunakan pada proyek pembangunan Gedung Pusat Penelitian, Pendidikan, Dan Kebudayaan Pp Muhammadiyah Yogyakarta adalah fondasi tiang pancang. Tiang pancang saat ini banyak di Indonesia sebagai fondasi dalam bangunan struktur seperti jembatan, gedung bertingkat, pabrik , menara, dermaga, metode pelakasanaan tiang pancang terdapat beberapa metode. Perlu dilakukan komparasi dari segi biaya dan waktu untuk menjadi pertimbangan dalam perencanaan sebuah proyek dari komparasi tersebut diharapkan penentuan metode pancang dapat tepat sesuai dengan kondisi pada daerah proyek tersebut akan dibangun. Hasil dari penelitian ini Total semua biaya untuk metode Hydraulic Static Pile Driver adalah Rp.174.842.411,97 dan untuk metode Drop hammer adalah Rp.103.463.026,27 dengan selisih antara kedua metode tersebut adalah Rp.71.379.385,70. Total waktu pemancangan yang dibutuhkan pada alat Hydraulic Static Pile Driver membutuhkan waktu 56 jam sedangkan untuk alat Drop hammer membutuhkan waktu 119 jam selisih waktu antara keduanya adalah 63 jam.
THE PREVENTIVE PRIORITY PLAN BASED ON THE CAUSALITY ANALYSIS OF THE CONSTRUCTION ACCIDENT Adwitya Bhaskara; Cahyo Dita Saputro; Abul Fida Ismaili; Nia Agustin; Syawaluddin Alim
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3493

Abstract

The case of construction accident that occurred mid-2019 and seized a lot of attention in the surrounding community is a construction accident on the implementation of underpass construction project located in Yogyakarta. The underpass excavation wall in this project collapsed then led two vehicles are fall. Although the types of accidents are almost identical to each project, it does not mean that the same reason causes the accidents. Various methods can carry out efforts to prevent work accidents, one of which is with assessment method and risk analysis using Analytical Hierarchy Process (AHP) which sub indicators are determined using Fault Tree Analysis (FTA). The method conducted with a review in the site by referring to Ministerial Regulation No. 21 year 2019 about the SMKK (Construction Safety Management System) guidelines. This research was conducted to identify the factors and indicators of management of thesupervisory consultant and the contractor. They had a significant influence and contribution to the implementation of the Yogyakarta Kentungan Underpass construction project. The results of this early-stage study served into two outcomes. First, the accuracy of the implementation of construction safety management system based on the assessment of the contractor is 85.938% and the percentage level of accuracy of the supervisory consultant is 97.29%. Both percentages fall into the category of Satisfactory Implementation Assessment because the valuation range is included between 85% to 100%. Second, after analyzing the risk using AHP method, the indicator that is used as a reference priority for the construction safety system of underpass construction projects and has the highest risk level that can causean underpass project construction accident from the contractor's point of view is the sub-indicator of supporting facilities and infrastructure with a risk level value of 0.042 whereas from the supervisory consultant’ perspective is the sub-indicator about to measuring the dimensions of the road building installed in the site with a risk level value of 0.052. Keywords: Assessment, FTA, Causality, Construction Accident, AHP.
FAULT TREE ANALYSIS DAN AUDIT AKURASI PADA PENERAPAN SISTEM MANAJEMEN KESELAMATAN KERJA KONSTRUKSI TERINTEGRASI Studi Kasus: Proyek Pembangunan Gedung Pelayanan (Fisik) RSUD Tidar Kota Magelang, Kontraktor B1 Alvian Purbiantoro; Adwitya Bhaskara
Jurnal Riset Rekayasa Sipil Vol 3, No 2 (2020): Maret 2020
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (177.541 KB) | DOI: 10.20961/jrrs.v3i2.40952

Abstract

Building a construction project is an activity which contains many dangerous elements.  It causes the construction industries have bad record in the terms of occupational safety.  Therefore, occupational safety is an aspect that must be improved any time because it is a very complex problem which covers issues in the terms of humanity, legal aspect, accountability and the image of the organization itself.  This study aims to (1) Determine the accuracy level of the Occupational Safety Management System Application in the Service Building (physical) Construction Project in Tidar Regional Hospital (RSUD) Magelang, (2) Identify and analyze the potential risks of work accident by using Fault Tree Analysis (FTA) method and planning mitigation to reduce the scope of construction in progress. This study is a quantitative analysis where the research is conducted by collecting the primary data through interview and observation, meanwhile the secondary data is in the form of data from the project itself. FTA is used to investigate the potential of workplace accidents by analyzing the direct causes to the basic causes of the accident itself.  The results of the study show that (1) The accuracy level of the application of Occupational Safety Management System which has been applied has an assessment rate of 97.29% and it is included in the level of satisfactory assessment.  (2)  The results of the analysis using FTA obtained several incidents that potentially can cause workplace accidents, incidents such as the workers who do not wear personal protective equipment, workers who act carelessly, and the lack of work experience are the frequent cases in the basic FTA incidents.
Penerapan Konstruksi Ramping terhadap Waste pada Ruang Lingkup Manajemen Proyek (Studi Kasus: Proyek Pembangunan Gedung Auditorium di Yogyakarta) Adwitya Bhaskara; Albert Atmaja Ginting; Alfatsya Mubian Masagala
Semesta Teknika Vol 25, No 1 (2022): MEI 2022
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v25i1.13403

Abstract

Konstruksi ramping telah diterapkan banyak proyek, artinya dalam masa perencanaan proyek telah meminimalisir waste dengan efektif dan efisien. Tujuan penelitian ini untuk mengidentifikasi variabel penyebab waste yang paling dominan pada proyek dan mengetahui penerapan Konstruksi Ramping pada proyek. Dalam mencapai tujuan tersebut maka digunakan metode Teorema Bayes untuk menentukan probabilitas dari waste 5M ruang lingkup manajemen. Hasil dari analisis probabilitas waste bahwa variabel-variabel yang menyebabkan waste adalah tenaga kerja sulit untuk bekerja sama dalam satu tim kerja (18,18%), material datang ke lokasi terlalu cepat (20,00%), alat berat terlambat sampai di lapangan (15,69%), denda karena keterlambatan proyek (34,88%) dan kesalahan dalam pemilihan jenis objek struktur (19.35%). Kemudian hasil dari analisis pengisian kuesioner penerapan konstruksi ramping dan observasi di lapangan bahwa proyek ini telah menerapkan konstruksi ramping sebesar 94,44%.
Co-Authors Abul Fida Ismaili Albert Atmaja Ginting Alfatsya Mubian Masagala Alfatsya Mubian Masagala Alvian Purbiantoro Firdamarsha Benadikta Fitri Nugraheni Fuad Muhammad Maulana Hanafi, N. Faried Muhammad Indra Pratama N. Faried Hanafi Nia Agustin Rama Pratama ridwan abadi akbar Risky Irianto Girik Allo Riyan Riski Kurniawan Saputro, Cahyo Dita Syawaluddin Alim Syawaluddin Alim