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All Journal Rekayasa Sipil Journal of Innovative and Creativity Jurnal Padamu Negeri ⁠International Journal of Sustainable Social Culture, Science Technology, Management, and Law Humanities Menulis: Jurnal Penelitian Nusantara
Rakhmawati, Annisa Nur
Universitas Kristen Cipta Wacana
Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Life Cycle Assessment (LCA) Analysis Of Concrete Slab Construction For Estimating The Environmental Impact Annisa Nur Rakhmawati; Yatnanta Padma Devia; Indradi Wijatmiko
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.10

Abstract

Global warming and air pollution become one of the environmental issues facing the world. the construction sector consumes about 40% of total global energy. Many strategies have been adopted to improve the efficiency of building construction to reduce material consumption and carbon emissions. One way to find out the environmental impact and carbon emissions produced is with a Life Cycle Assessment (LCA). This study aims to predict the environmental impact of concrete slab construction in two-story dwellings using the Life Cycle Assessment (LCA) approach of the material used with the help of software, namely Simapro 9.0. The scope of the study is the cradle to the grave. The results of the SimaPro 9.0 concrete plate construction analysis, especially in global warming are 1.02, E+07 kg CO2 eq. The biggest contribution to the manufacture of concrete slabs is the casting process with a value of 1.00, E+07 kg CO2 eq.
The Influence of Workforce Competence and Supervision Systems on Construction Project Productivity Rakhmawati, Annisa Nur; Khalilah Daud Isaac Makhmut; Eko Tjahjono; Ratna Marhaenita Widjaja
⁠International Journal of Sustainable Social Culture, Science Technology, Management, and Law Humanities Vol. 2 No. 2 (2025)
Publisher : Universitas Kristen Cipta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71131/ypdent05

Abstract

The construction industry plays a strategic role in supporting national development, but low labor productivity remains a challenge, especially in medium-scale construction projects. Labor productivity is influenced by various factors, including competence and the effectiveness of the monitoring system. Although a number of previous studies have examined these two variables, the findings show inconsistencies, so further study is needed to confirm their contribution to construction project productivity. This study aims to analyze the effect of labor competence and the monitoring system on construction project productivity. This study uses a quantitative approach with an explanatory research type. A sample of 72 respondents was determined using purposive sampling from a population of 80 workers on the PT Y boarding house construction project in Malang City. Data collection was carried out through questionnaires, observations, and documentation. Data analysis used multiple linear regression with the support of validity, reliability, and classical assumption tests. The results showed that both workforce competency and the supervision system had a significant effect on project productivity. The supervision system variable showed the most dominant effect with a significance value of 0.000 and a regression coefficient of 0.538, while workforce competency had a significance value of 0.014 with a regression coefficient of 0.412. Simultaneously, both variables have a significant effect on productivity with an R-Square value of 0.620, which means that 62% of productivity variation can be explained by these two variables.
Analisis Luas Daerah Rawan Banjir Kota Medan Berbasis Sistem Informasi Geografis (SIG) Indri Triawati; Annisa Nur Rakhmawati; Wahyu Nursamhuda
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.4540

Abstract

Medan City is an urban area that frequently experiences flooding during the rainy season. This study aims to analyze the extent of flood-prone areas in Medan City using Geographic Information System (GIS) technology. The research method was carried out through a georeferencing process on flood-prone area maps and the creation of shape files to calculate the area affected by flooding. The data used included flood vulnerability parameters and water inundation maps, which were then processed using QGIS software. The analysis results show that areas with a low level of flood vulnerability cover an area of ​​approximately 2,844 hectares (10.72%), areas with a moderate level of vulnerability cover 8,642.4 hectares (32.6%), and areas with a high level of vulnerability cover 14,632 hectares (55.2%). These findings indicate that more than half of Medan City's area is categorized as moderate to severe flood prone. Therefore, more effective mitigation measures and spatial planning management are needed to minimize the risk of future flood disasters.
Strategi Retrofit Gedung Eksisting Berbasis Kinerja Struktur dan Kelayakan Proyek: Scoping Review Annisa Nur Rakhmawati; Wahyu Nursamhuda; Hendrik Richard
Menulis: Jurnal Penelitian Nusantara Vol. 2 No. 7 (2026): Menulis - Juli
Publisher : PT. Padang Tekno Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/menulis.v2i7.1338

Abstract

Retrofit gedung eksisting semakin penting karena banyak bangunan lama dirancang berdasarkan standar yang tidak lagi sepenuhnya sejalan dengan tuntutan keselamatan gempa, keberlanjutan, efisiensi energi, dan kelayakan operasional proyek. Meskipun kajian retrofit telah berkembang, pembahasan masih sering terpisah antara efektivitas teknis struktur dan dimensi manajemen proyek seperti biaya, jadwal, constructability, risiko, keselamatan kerja, serta gangguan terhadap pengguna bangunan. Artikel ini bertujuan memetakan strategi retrofit gedung eksisting berdasarkan dua perspektif utama, yaitu kinerja struktur dan kelayakan proyek, serta merumuskan kerangka keputusan terintegrasi yang relevan bagi konteks Indonesia. Metode yang digunakan adalah scoping review dengan mengacu pada kerangka Arksey dan O’Malley, pengembangan Levac et al., pedoman JBI, serta prinsip pelaporan PRISMA-ScR. Literatur ditelusuri secara purposif melalui ScienceDirect, SpringerLink, MDPI, Google Scholar, Crossref, DOAJ, ASCE, NIST, FEMA, BSN, dan sumber ilmiah terkait dengan prioritas publikasi 2022-2025 serta standar teknis relevan. Sebelas studi inti dan beberapa dokumen standar dianalisis melalui charting table dan sintesis tematik. Hasil kajian menunjukkan bahwa strategi retrofit dominan mencakup perkuatan lokal, perkuatan global, sistem kontrol respons, dan retrofit terintegrasi gempa-energi. Indikator kinerja struktur yang paling sering digunakan adalah simpangan antar tingkat, kekakuan, daktilitas, kapasitas lateral, indeks keselamatan, kerusakan nonstruktural, risiko, dan waktu pemulihan fungsi. Dari sisi manajemen proyek, faktor yang paling menentukan adalah akurasi investigasi awal, biaya daur hidup, durasi pelaksanaan, gangguan operasional, pengadaan material khusus, keselamatan kerja, koordinasi pemangku kepentingan, dan dukungan digital seperti BIM. Kajian ini menegaskan bahwa keputusan retrofit tidak cukup didasarkan pada peningkatan kapasitas struktur, tetapi perlu diseimbangkan dengan keterlaksanaan, nilai investasi, risiko implementasi, dan penerimaan pengguna bangunan. Artikel ini menawarkan kerangka evaluasi terintegrasi sebagai dasar pengembangan studi kasus, instrumen penilaian retrofit, dan model prioritas penanganan gedung eksisting di wilayah rawan gempa
SOSIALISASI EDUKASI PENTINGNYA PENDIDIKAN TINGGI DAN BEASISWA BAGI PELAJAR NU DI KECAMATAN NGRAHO KABUPATEN BOJONEGORO Annisa Nur Rakhmawati; Hendrik Richard; Liza Choirun Nisa; Shochib Adianto; Muhamad Solikhin; Ferdinant Pakage; Aridatuz Zahroh; Aria Dian Tri Wahyuni; Arinda Eka Lidiastuti; Zainul Muttaqin
Jurnal Padamu Negeri Vol. 3 No. 3 (2026): Juli : Jurnal Padamu Negeri (JPN)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/mxn7bq26

Abstract

Higher education plays a vital role in improving the quality of human resources and expanding future opportunities for the younger generation. However, many students still lack an adequate understanding of the importance of pursuing further studies and accessing available scholarships. This community service activity aimed to enhance the understanding and motivation of Nahdlatul Ulama (NU) students in Ngraho District, Bojonegoro Regency, regarding the importance of higher education and the scholarship opportunities that can support their continued studies. The activity was implemented through an educational socialization method using lectures, discussions, and question-and-answer sessions involving 40 participants. The stages of the activity included preparation, implementation, and evaluation through pre-tests and post-tests to assess participants' responses and level of understanding of the material presented. The results showed that the participants engaged actively in the activity, with an average increase in understanding of [please insert percentage increase from pre-test to post-test], and most participants demonstrated enthusiasm during the question-and-answer session, particularly on topics related to the benefits of higher education, pathways to university admission, and scholarship information. This socialization activity proved effective in improving the understanding and motivation of NU students, making it a strategic step in fostering educational awareness and access to further studies in Ngraho District.
Co-Authors Aria Dian Tri Wahyuni Aridatuz Zahroh Eko Tjahjono Ferdinant Pakage Hendrik Richard Indradi Wijatmiko Indri Triawati Lidiastuti, Arinda Eka Liza Choirun Nisa Makhmut, Khalilah Daud Isaac Muhamad Solikhin Ratna Marhaenita Widjaja Shochib Adianto Wahyu Nursamhuda Yatnanta Padma Devia Zainul Muttaqin