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ANALISIS OPTIMASI BIAYA DAN WAKTU PADA PROYEK PEMBANGUNAN GEDUNG DENGAN METODE TIME COST TRADE OFF (Studi Kasus: Gedung Rumah Sakit Jiwa Jurug) Yulia Ratih, Silvia; Ningsih, Rahayu; Primantari, FA. Luky
Surakarta Civil Engineering Review Vol 3 No 2 (2023): Surakarta Civil Engineering Review (SCER)
Publisher : Fakultas Teknik Sipil dan Perencanaan, Universitas Surakarta

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Abstract

Pada saat pelaksanaan proyek konstruksi sering terjadi ketidaksesuaian antara jadwal rencana dan realisasi di lapangan yang akan mengakibatkan pertambahan waktu pelaksanaan dan pembengkakan biaya pelaksanaaan sehingga memakan waktu dan biaya yang akan berpengaruh dalam penyelesaian proyek.Metode pada penelitian ini menggunakan metode kuantitatif. Studi kasus penelitian ini dilakukan pada proyek Pembangunan Gedung Rumah Sakit Jiwa Jurug, yang bertujuan untuk menemukan biaya dan waktu optimal dengan metode time cost trade off. Pengambilan data dalam penelitian ini dengan wawancara, dokumentasi, dan studi pustaka.Berdasarkan analisis dan wawancara penyebab keterlambatan proyek RSJ Jurug adalah perubahan addendum RAB, perubahan gambar, faktor cuaca. Hasil penelitian penggunaan metode time cost trade off yaitu pengerjaan selama 207 hari kerja dan rencana anggaran biaya proyek pembangunan gedung Rumah Sakit Jiwa Jurug adalah sebesar Rp16.619.772.520 berdasarkan hasil penelitian ini, disarankan kontraktor untuk mempertimbangkan mengunakan metode time cost trade off dalam membuat penjadwalan proyek.
The Implementation of Green Human Resource Management (Green HRM) in Supporting Sustainable Construction Projects Primantari, FA. Luky; Rahayu, Silvia Yulita Ratih Setyo; Widodo, Zandra Dwanita
JTI: Jurnal Teknik Industri Vol 11, No 2 (2025): December 2025 (in Press)
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i2.38519

Abstract

The construction sector plays a strategic role in economic development, but also contributes significantly to environmental degradation. The implementation of Green Human Resource Management (Green HRM) has become an essential effort in creating sustainable construction projects through environmentally oriented human resource practices. This study aims to analyze the influence of Green HRM implementation on the performance of sustainable construction projects in Central Java. A descriptive–verificative quantitative approach was employed. Data were collected through questionnaires distributed to 120 respondents, consisting of project managers, site engineers, and HR staff. The data were analyzed using multiple linear regression with the assistance of SPSS 26.0 and SmartPLS 4.0. The findings indicate that four dimensions of Green HRM—Green Recruitment & Selection, Green Training & Development, Green Performance Appraisal, and Green Employee Involvement significantly affect project performance. In contrast, Green Compensation & Reward shows no significant effect. The coefficient of determination of 0.671 indicates that Green HRM explains 67.1% of the variation in project performance. The study concludes that Green HRM plays a crucial role in improving resource efficiency, compliance with environmental standards, and overall construction project effectiveness. Strengthening green work culture and implementing environmentally based reward systems are recommended to enhance the sustainability of Indonesia’s construction sector. Keywords: Green HRM, sustainable construction, project management, human resources