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All Journal Journal La Multiapp Inovasi Jurnal Pengabdian Masyarakat (IJPM)
Darmawan, Muhammad Sigit
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences

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Analysis of Time and Cost Planning and Control for Waterproofing Work in Project X Multi-Story Data Center Jakarta Ardiansyah, Giri Teguh; Bayuaji, Ridho; Asmi, Ade; Darmawan, Muhammad Sigit; Suswanto, Budi Suswanto
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2179

Abstract

Waterproofing plays a crucial role in maintaining a building's integrity. However, subcontractor skill limitations and project constraints such as design changes, site readiness, and resource shortages often cause delays. This study analyses the planning and time control of waterproofing work in the Building X High-Rise Data Center project, covering eight work items. Using the Precedence Diagram Method (PDM), the work schedule indicates an effective duration of 34 weeks. The analysis methods used include Critical Path Method (CPM), Earned Value Analysis (EVA), Program Evaluation Review Technique (PERT), and crashing for project duration optimization. By the 30th week, the calculation results showed a Schedule Performance Index (SPI) of 0.96 and a Schedule Variance (SV) of -Rp120,057,209.0, indicating project schedule delays. In terms of cost, the Cost Performance Index (CPI) was 0.99, and the Cost Variance (CV) was -Rp26,459,888.0, showing cost overruns, though still within a relatively controlled limit. The probability of project completion reached 90% by the 30th week. Optimization through acceleration methods proved effective in reducing project duration with controlled additional costs. Therefore, better mitigation strategies are needed to minimize time and cost deviations in similar future projects.
Upaya Penguatan Keselamatan Prasarana Sekolah melalui Evaluasi Teknis Struktur Kolom pada Bangunan Pendidikan di Bojonegoro Yudoprasetyo, Kohar; Prasetya, Alfan Dimas; Rosyidi, Moh. Fadhlan; Hariyanto, Ifarrel Rachmanda; Wibowo, Yosi Noviari; Affandhie, Raden Buyung Anugraha; Mansur, Moh. Safi'i; Ashara, Khansa Fadilah; Darmawan, Muhammad Sigit; Alrasyidi, Mohammad Akbar; Wahyudi, Hendra
Inovasi Jurnal Pengabdian Masyarakat Vol 3 No 3 (2025): IJPM - Desember 2025
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/ijpm.1063

Abstract

Penelitian pengabdian ini mengevaluasi kinerja kolom beton bertulang pada Bangunan Pendidikan di Kabupaten Bojonegoro untuk meningkatkan keselamatan prasarana sekolah. Inspeksi visual menemukan deviasi penempatan tulangan longitudinal hingga ±13 cm dan beberapa tekukan >45°, yang berpotensi menimbulkan eksentrisitas beban. Analisis struktur dilakukan menggunakan SAP2000 untuk memperoleh gaya dalam, kemudian diverifikasi dengan diagram interaksi P–M pada SPColumn mengacu SNI 1726:2019, SNI 1727:2020, dan SNI 2847:2019. Hasil menunjukkan bahwa titik kerja ( ) dengan  berada di dalam selubung kapasitas, sehingga kapasitas ultimit penampang masih mencukupi untuk kombinasi beban terfaktor yang ditinjau. Meski demikian, guna memulihkan jalur gaya, meningkatkan confinement, dan keandalan jangka panjang, direkomendasikan jacketing beton bertulang dengan penanaman tulangan (starter bar) ke pilecap. Sosialisasi hasil dilaksanakan melalui koordinasi Tim Pengabdian Masyarakat/Narasumber (TPM) dan Mitra (Pemilik Bangunan), menghasilkan paket rekomendasi teknis, jadwal implementasi, serta mekanisme kendali mutu dan K3 yang akuntabel
Co-Authors Ade Asmi Affandhie, Raden Buyung Anugraha Alrasyidi, Mohammad Akbar Ardiansyah, Giri Teguh Ashara, Khansa Fadilah Budi Suswanto Hariyanto, Ifarrel Rachmanda Hendra Wahyudi Mansur, Moh. Safi'i Prasetya, Alfan Dimas Ridho Bayuaji Rosyidi, Moh. Fadhlan Wibowo, Yosi Noviari Yudoprasetyo, Kohar