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All Journal Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan
Salwa Nisrina
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Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering Medicine & Pharmacology

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Earned Value Method untuk Analisis Pengendalian Jadwal dan Biaya pada sebuah Proyek Konstruksi Pump House Salwa Nisrina; Muhammad Hisjam
JTI: Jurnal Teknik Industri Vol 8, No 1 (2022): JUNI 2022
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v8i1.12428

Abstract

Penelitian ini bertujuan untuk melakukan analisis pengendalian jadwal dan biaya pada konstruksi pump house C2BM5a. Penelitian dilakukan di PT Prasadha Pamunah Limbah Industri, sebuah industri penyedia jasa pengolahan limbah yang berlokasi di Desa Nambo, Kabupaten Bogor. Metode yang digunakan dalam penelitian adalah metode nilai hasil atau earned value method yang dapat mengintegrasikan komponen jadwal dan biaya menjadi satu kesatuan evaluasi proyek. Proses analisis dilakukan dengan membandingkan biaya aktual, biaya rencana, jadwal aktual, dan jadwal rencana. Sehingga didapatkan hasil berupa variansi biaya dan jadwal, serta indeks performansi dari jadwal dan biaya. Selain itu dilakukan juga proyeksi penyelesaian proyek untuk mengetahui berapa waktu dan biaya yang dibutuhkan untuk menyelesaikan proyek berdasarkan kondisi pada periode pelaporan. Setelah dilakukan perhitungan, dapat diketahui bahwa proyek mengalami keterlambatan selama 49 hari atau 7 minggu dengan biaya penyelesaian proyek sebesar Rp295,191,763.23. Keterlambatan yang terjadi disebabkan karena adanya ketidaksesuaian kinerja pada vendor. Sehingga biaya penyelesaian proyek akibat keterlambatan sepenuhnya dibayarkan oleh vendor. This study aims to analyze the schedule and cost control in a C2BM5a pump house construction. The research was conducted in an industrial waste treatment service provider located in Bogor. The research uses the earned value method which can integrate schedule and cost components into a single project evaluation unit. The analysis process is carried out by comparing the actual costs, planned costs, actual schedules, and planned schedules. Thus, the results obtained in the form of cost and schedule variance, as well as a performance index of schedule and cost. In addition, project completion projections are also carried out to find out how much time and cost it will take to complete the project based on the conditions in the reporting period. After calculating, it can be seen that the project has been delayed for 49 days or 7 weeks with a project completion cost of Rp. 295,191,763. The delay that occurs is due to a performance discrepancy at the vendor. Thus, the cost of completing the project due to delays is fully paid by the vendor.
FORMULASI DAN KARAKTERISASI FITOSOM EKSTRAK TANAMAN BUNDUNG (Actinoscirpus grossus) SEBAGAI ANTIOKSIDAN Febrianti, Dwi Rizki; Noval; Dwi Rizki; Melviani; Mayna; Salwa Nisrina; Akhmad Fadhil Samara
Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan Vol 10 No 1 (2025): Jurnal Ilmiah Ibnu Sina
Publisher : Sekolah Tinggi Ilmu Kesehatan ISFI Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36387/jiis.v10i1.2410

Abstract

Free radicals are the cause of cell damage and death. Free radical molecules are highly unstable and reactive, and can cause cell damage and metabolic disorders. Antioxidants are compounds that can reduce the negative impact of oxidants, enzymes, and metal-binding proteins. Bundung plant (Actinoscirpus grossus) contains secondary metabolite compounds namely flavonoids, tannins, saponins, phenolics, steroids, and terpenoids. Bundung showed moderate antioxidant activity with an IC50 value of 128 ppm. Flavonoids have high polarity, but are difficult to absorb due to their large size and poor solubility in lipids. Phytosomes can overcome the absorption barriers of natural active ingredients, by converting hydrophilic phytoconstituents into hydrophobic or lipid soluble components thereby increasing bioavailability through increased ability to cross cellular membranes and enter into blood circulation. The purpose of this study was to obtain the formulation and characterization of phytosomes of bundung plant extract as an antioxidant. The method uses maceration until a thick extract is obtained. Then, phytosomes of bundung extract were made by thin layer hydration method using rotary vaccum evaporator. The results showed that phytosomes of bundung extract in formula 4 were the most optimal, having a particle size value of 282.63 nm, a polydispersity index of 0.278 nm, a zeta potential of -5.89 nm, an absorption efficiency of 100%, and the best vesicle morphology was evenly distributed, had relatively the same size between one vesicle and another, and there was no aggregation between vesicles.
Co-Authors Akhmad Fadhil Samara Dwi Rizki Febrianti, Dwi Rizki Mayna Melviani Muhammad Hisjam Noval