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All Journal Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Jurnal Rekayasa Sipil dan Lingkungan Journal of Community Research and Engagement
Rikarda, Raden Denisio Edwin
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Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Public Health Social Sciences Transportation

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Penentuan Bahaya Pada Pekerjaan Struktur Tertinggi (Lantai Atap 72) Dan Struktur Terendah (Basement 6) Dengan Cara Identifikasi Hazard Proyek Tower Thamrin Nine Jakarta Rikarda, Raden Denisio Edwin; Koesomawati, Dewi Junita; Ratnaningsih, Anik
Jurnal Rekayasa Sipil dan Lingkungan Vol 7 No 2 (2023): Jurnal Rekayasa Sipil dan Lingkungan
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jrsl.v7i2.45081

Abstract

The obligations in the management of K3 (Occupational Health and Safety) must be had in high rise building. The government regulation No. 50 of 2012 and the Minister of Manpower Regulation No.5/MEN/1996 have regulated the implementation of the K3 management system. The Thamrin Nine project is a building project has received a zero accident award in 2015 initiated by the contractor PT. Acset Indonusa Tbk. The biggest potential danger in building projects is at heights and excavations consist of 10 types of work mentioned in the 2005 OHSAS (Occupational Safety and Health Administration) data. The thamrin nine project has potential hazards in roof work items on floor 72 and basement work items 6. This research aims to determine the risk of danger and by presenting the most dominant hazard factors and providing strategies for implementing work items using the HIRA method. The results of the literature study showed that there were 4 work items consisting of 22 activities with 174 risk variables. The matrix show the greatest hazards were in the medium zone with a percentage value of 90%, dominated by roof work on the 72nd floor. the latest innovation strategies are needed, such as guardrails, railings and catch nets. ABSTRAK Manajemen K3 (Kesehatan dan Keselamatan Kerja) predikat baik harus diterapkan pada struktur bangunan gedung tinggi di Indonesia. Peraturan pemerintah No.50 tahun 2012 dan peraturan menteri tenaga kerja No.5/MEN/1996 telah mengatur Sistem manajemen K3. Proyek Thamrin Nine adalah proyek gedung dengan Kontraktor yaitu PT. Acset Indonusa Tbk telah mendapat penghargaan zero accident pada tahun 2015. Potensi bahaya terbesar dalam proyek gedung yaitu ada pada ketinggian dan galian terdiri dari 10 macam pekerjaan yang disebutkan Data OHSAS (Occupational Safety and Health Administration) 2005. Berdasarkan data OHSAS maka proyek Thamrin nine memiliki potensi bahaya pada item pengerjaan atap lantai 72 dan item pengerjaan basement 6. Penelitian ini bertujuan menyajikan faktor bahaya dominan serta strategi pelaksanaan item pekerjaan hasil metode HIRA pada penentuan bahaya pada item pekerjaan atap lantai 72 dan basement 6. Terdapat 174 variabel risiko dari 23 kegiatan yang berasal pada 4 item pekerjaan pada HIRA dengan kesesuaian pada item pekerjaan atap lantai 72 dan basement 6 data didapatkan berdasarkan kajian studi literatur. Hasil Matriks risiko bahaya didapatkan nilai persentase 90% dengan didominasi pekerjaan atap lantai 72 terdapat pada zona sedang. Strategi inovasi terbaru seperti adanya pengamanan railing, catch nets dan guardrail untuk dapat diterapkan pada bahaya zona sedang dan zona tinggi.
Evaluasi Stabilitas dan Pergeseran Secant Pile Pada Pekerjaan Galian Lereng Perbukitan Kabupaten Kebumen Putra, Paksitya Purnama; Kusuma, Dian Natalia; Wicaksono, Luthfi Amri; Rikarda, Raden Denisio Edwin
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 13 No 1 (2025): Jurnal Ilmiah MITSU
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v13i1.3350

Abstract

One of the building constructions on the hillside in Kebumen Regency requires the implementation of a cut and fill process on the natural slope. The excavation work on the 7-meter-deep slope of cohesive soil has been reinforced with a secant pile type retaining wall. However, during the excavation process, the secant pile experienced a displacement of 1.1 meters. Therefore, it is necessary to evaluate the causes of the displacement of the retaining wall. The finite element analysis software, Plaxis, is used to analyze and evaluate based on displacement values and safety factors. Additionally, the Geo5 software is used to design the depth of secant pile retaining walls using the Rankine analysis method. The evaluation of the excavation construction work resulted in a safety factor of 1.3984. This value is still below the value required by SNI 8460:2017. Based on the analysis with the software, it was found that the secant pile diameter of 60 cm could still cause a displacement of 1.1 meters, even though the safety factor remained stable. The displacement of the retaining wall occurred because the excavation process resulted in the active earth pressure being greater than the passive earth pressure. After optimizing the design, the results show that increasing the secant pile diameter can reduce the displacement and improve the safety factor to meet the requirements of SNI 8460:2018, which is ≥ 1.5. The effective diameter obtained in the optimization is 80 cm, which can reduce the displacement to 0.3 meters.
OUTREACH AND TRAINING ON THE USE OF BOTANICAL PESTICIDES IN SUPPORT OF SUSTAINABLE AGRICULTURE IN SITUBONDO Rudianto, Rudianto; Safitri, Nova Monica Aulia; Arianto, Pratama Yuli; Darmawan, Muhammad Riza; Fadhil , Martiana Kholila; Putra, Alfian Andhika; Rikarda, Raden Denisio Edwin; Ramadhani, Candra Putri Rizkiyah; Pratama, Dananjaya Endi
Journal of Community Research and Engagement Vol. 2 No. 1 (2025): MAY
Publisher : Universitas Muhammadiyah Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38040/jcore.v2i1.1219

Abstract

Botanical pesticides are naturally occurring chemicals derived from plant sources such as leaves, flowers, roots or seeds. This material has the potential as a more environmentally friendly and sustainable alternative to chemical pesticides. In general, residents in Mangaran Village, Mangaran District, Situbondo Regency work as farmers. In controlling pests and plant diseases, chemical pesticides are usually used to overcome them. The negative impact of using chemical pesticides is that pests will become increasingly resistant to the pesticides given, so stronger pesticides are needed the stronger the attacking pests. This resulted in an increasing number of chemicals in the crops that farmers planted which had an impact on the health of both farmers and consumers. The purpose of this socialization regarding vegetable pesticides is to increase knowledge regarding the manufacture of natural pesticides to control pests and diseases in plants. The socialization and training that was carried out received enthusiasm from farmers and those who attended the socialization were 26 farmers represented by each hamlet. The socialization results obtained are encouraging farmers to produce vegetable pesticides and reduce dependence on chemical pesticides
Co-Authors Anik Ratnaningsih Fadhil , Martiana Kholila Koesomawati, Dewi Junita Kusuma, Dian Natalia Luthfi Amri Wicaksono Muhammad Riza Darmawan Paksitya Purnama Putra Pratama Yuli Arianto Pratama, Dananjaya Endi Putra, Alfian Andhika Ramadhani, Candra Putri Rizkiyah Rudianto Rudianto Safitri, Nova Monica Aulia