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Kusumawati, Jujuk
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Analysis of Delays and Time Acceleration Strategies in the Renovation of Grha JST Building Kusumawati, Jujuk; Subagijo, Djoko
West Science Interdisciplinary Studies Vol. 2 No. 06 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i06.1031

Abstract

Effective construction project management necessitates adherence to cost, quality, and timeline objectives. However, delays frequently challenge project success, impacting both schedule and budget. This research investigates the causes and consequences of delays within the Grha JST building renovation project, exploring mitigation strategies. Utilizing the Earned Value and Crashing methods, the study analyzes project performance to identify efficient delay management approaches. Recommendations are provided to enhance future project execution and mitigate delays effectively.
REVIEW PENERAPAN KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PROYEK RENOVASI OFFICE PT S2J NAROGONG, BEKASI Subagijo, Djoko; Kusumawati, Jujuk; Yulianto, Udien; Setiawan, Yudi; Putra, Jon; Oktaviani, Ike; Kusumowardani, Dian
JURNAL DARMA AGUNG Vol 31 No 3 (2023): JUNI
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/ojsuda.v31i3.3264

Abstract

Setiap proses pengerjaan suatu bangunan dalam suatu proyek tidaklah lepas dari segala bahaya resiko kecelakaan kerja terhadap para tenaga kerja. Maka, dalam suatu perusahaan diperlukannya program Keselamatan dan Kesehatan Kerja (K3) guna mengurangi dan mencegah kecelakaan kerja. Penelitian ini dilakukan dengan cara menyebarkan kuesioner pada proyek konstruksi di Kota Bekasi. Dengan hasil penyebaran kuesioner di proyek pembangunan konstruksi dengan jumlah 30 responden yang memiliki peran /tugas masing-masing dalam proyek konstruksi tersebut. Analisis data dilakukan pada microsoft excel yang selanjutnya pengolahan data menggunakan hitungan mean untuk mengetahui nilai rata-rata dari penyebaran kuesioner tersebut untuk mengetahui keberhasilan penerapan Keselamatan dan Kesehatan Kerja (K3) dan RII (Relative Importance Index) untuk mengetahui faktof-faktor yang mempengaruhi penerapan Keselamatan dan Kesehatan Kerja (K3). Nilai tingkat keberhasilan penerapan untuk semua variabel diambil rata-rata dengan nilai indeks adalah 54%. Berdasarkan hasil penelitian, maka dapat kita simpulkan bahwa hasil dari evaluasi penerapan Keselamatan dan Kesehatan Kerja (K3) mencapai nilai 54% dengan kategori penilaian cukup. Faktor-faktor yang menghambat Keselamatan dan Kesehatan Kerja (K3) pada proyek pembangunan office PT. S2J Narogong, mencakup program yang menjadi penghambat yaitu: kedisiplinan dan biaya. Kedisiplinan, karena kurangnya kesadaran diri para pekerja untuk mengikuti aturan-aturan yang berlaku. Biaya, tingginya biaya untuk penerapan program SMK3 sering diabaikan. Sehingga untuk implementasi K3 dalam Alat Pelindung Diri (APD) tidak terealisasi.
The Effect of Building Area and Cost on the Accuracy of Cost Estimation in State Buildings Subagijo, Djoko; Wahyudi, Imam; Kusumawati, Jujuk
Ilomata International Journal of Social Science Vol. 6 No. 1 (2025): January 2025
Publisher : Yayasan Ilomata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/ijss.v6i1.1624

Abstract

Accurate cost estimation during the conceptual stage is crucial in ensuring effective budget allocation and reducing financial risks in government building projects. In Indonesia, especially Jakarta, the cost estimation process for government buildings is essential to optimize resource distribution. However, challenges persist in improving the precision of these estimations, particularly regarding how building area and construction cost impact the estimation process. This study employs multiple regression analysis to examine the relationship between the building area, construction cost, and the accuracy of conceptual cost estimations in Indonesian government building projects. The study was conducted using a sample of 100 completed projects in Jakarta. The regression analysis results reveal that both the building area and construction cost significantly negatively impact cost estimation accuracy, with a combined explanatory power of 58%. An increase in the building area and construction cost corresponds to more significant deviations in the estimated cost from the actual figures. The study highlights the need for more advanced estimation methodologies and standardized practices to improve accuracy in cost estimation. The findings offer practical recommendations to policymakers and construction professionals, suggesting ways to enhance cost estimation accuracy in the public sector, ultimately leading to better resource allocation and more successful project outcomes.
Project manager performance improvement for design and build construction state building Kusumawati, Jujuk
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol 11, No 2 (2025): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020255713

Abstract

The Design and Build (D&B) method has become a dominant approach in Indonesian government construction projects due to its potential to accelerate project timelines by integrating design and implementation. However, significant delays persist—especially in Jakarta indicating that technical improvements alone are insufficient. This study investigates how managerial behavior and work culture influence the timeliness of government D&B construction projects. Using a quantitative approach, surveys were conducted among project managers, construction consultants, and procurement officials involved in D&B projects in Jakarta between 2015 and 2018. Key variables examined include leadership style, decision-making agility, work ethic, communication effectiveness, problem-solving ability, and technical competence. Regression analysis revealed that leadership and work ethic positively affect timely completion. Surprisingly, communication effectiveness and agile decision-making were associated with delays, likely due to bureaucratic complexity and unstable project environments. Technical and problem-solving skills proved insufficient without strong behavioral support. The findings underscore the importance of behavioral competencies particularly leadership and discipline in project performance. The study also noted inconsistencies in instrument reliability, suggesting refinement for future use. Recommendations include revising recruitment standards to emphasize behavioral attributes and enhancing methodological rigor in similar research. A shift in focus from purely technical to integrated behavioral competencies is essential for improving public sector project outcomes.
Kajian Pengaruh Penambahan Silica Fume (Limbah Sandblasting) terhadap Nilai Indeks Kompresibilitas Tanah Lempung Ekspansif Cikarang Yulianto, Udien; Oktaviani, Ike; Setiawan, Yudi; Kusumawati, Jujuk
Indonesian Research Journal on Education Vol. 5 No. 1 (2025): Irje 2025
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v5i1.2054

Abstract

Tanah lempung ekspansif adalah jenis tanah yang memiliki potensi pengembangan dan penyusutan sangat besar akibat pengaruh dari perubahan kadar airnya. Potensi tanah inilah yang sering menyebabkan kerusakan pada struktur bangunan di atasnya. Stabilisasi tanah lempung ekspansif dilakukan dengan cara perbaikan tanah, penambahan Silica fume ke dalam tanah lempung ekspansif akan memperbaiki sifat tanah dengan menurunkan nilai indeks kompresi tanah dan indeks pengembangan tanah yang diambil dari wilayah Cikarang, Jawa Barat dengan melakukan uji laboratorium. Tujuan dari penelitian ini adalah untuk mengetahui nilai indeks kompresi tanah dan indeks pengembangan tanah sebelum dan setelah penambahan Silica fume dengan persentase 5%, 10%, dan 20%. Pada penelitian ini didapatkan nilai indeks kompresi paling rendah terjadi pada campuran 10% yaitu 31,21%, nilai ini mengalami penurunan sebesar 13,73% dari nilai indeks kompresi tanah asli yaitu 36,17%. Sedangkan penurunan nilai indeks pengembangan paling rendah juga didapatkan pada campuran 10% yaitu 4,36%, nilai ini mengalami penurunan 55,78% dari nilai indeks pengembangan yaitu 9,87%.
Analysis of Delays and Time Acceleration Strategies in the Renovation of Grha JST Building Kusumawati, Jujuk; Subagijo, Djoko
West Science Interdisciplinary Studies Vol. 2 No. 06 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i06.1031

Abstract

Effective construction project management necessitates adherence to cost, quality, and timeline objectives. However, delays frequently challenge project success, impacting both schedule and budget. This research investigates the causes and consequences of delays within the Grha JST building renovation project, exploring mitigation strategies. Utilizing the Earned Value and Crashing methods, the study analyzes project performance to identify efficient delay management approaches. Recommendations are provided to enhance future project execution and mitigate delays effectively.
Analysis of Delays and Time Acceleration Strategies in the Renovation of Grha JST Building Kusumawati, Jujuk; Subagijo, Djoko
West Science Interdisciplinary Studies Vol. 2 No. 06 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i06.1031

Abstract

Effective construction project management necessitates adherence to cost, quality, and timeline objectives. However, delays frequently challenge project success, impacting both schedule and budget. This research investigates the causes and consequences of delays within the Grha JST building renovation project, exploring mitigation strategies. Utilizing the Earned Value and Crashing methods, the study analyzes project performance to identify efficient delay management approaches. Recommendations are provided to enhance future project execution and mitigate delays effectively.
Project manager performance improvement for design and build construction state building Kusumawati, Jujuk
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol. 11 No. 2 (2025): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020255713

Abstract

The Design and Build (D&B) method has become a dominant approach in Indonesian government construction projects due to its potential to accelerate project timelines by integrating design and implementation. However, significant delays persist—especially in Jakarta indicating that technical improvements alone are insufficient. This study investigates how managerial behavior and work culture influence the timeliness of government D&B construction projects. Using a quantitative approach, surveys were conducted among project managers, construction consultants, and procurement officials involved in D&B projects in Jakarta between 2015 and 2018. Key variables examined include leadership style, decision-making agility, work ethic, communication effectiveness, problem-solving ability, and technical competence. Regression analysis revealed that leadership and work ethic positively affect timely completion. Surprisingly, communication effectiveness and agile decision-making were associated with delays, likely due to bureaucratic complexity and unstable project environments. Technical and problem-solving skills proved insufficient without strong behavioral support. The findings underscore the importance of behavioral competencies particularly leadership and discipline in project performance. The study also noted inconsistencies in instrument reliability, suggesting refinement for future use. Recommendations include revising recruitment standards to emphasize behavioral attributes and enhancing methodological rigor in similar research. A shift in focus from purely technical to integrated behavioral competencies is essential for improving public sector project outcomes.
Co-Authors Imam Wahyudi Indrawan, Imam Wahyudi Kusumowardani, Dian Oktaviani, Ike Putra, Jon Subagijo, Djoko Yudi Setiawan Yulianto, Udien