ANALISIS EFEKTIVITAS TOWER CRANE PADA PEMBANGUNAN PROYEK GEDUNG UNIVERSITAS AIRLANGGA
ANALYSIS OF THE EFFECTIVENESS OF TOWER CRANE IN THE CONSTRUCTION OF THE AIRLANGGA UNIVERSITY BUILDING PROJECT
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Abstract
Efektivitas tower crane telah menjadi elemen krusial dalam industri konstruksi modern. Sebagai perangkat angkut utama dalam proses konstruksi vertikal, tower crane memainkan peran penting dalam memastikan efisiensi dan ketepatan waktu dalam proyek-proyek bangunan. Analisis ini berisi tentang perhitungan pada rata-rata produktivitas, perbandingan produktivitas tower crane pada jam kerja efektif dan jam kerja lembur, dan mencari persentase tingkat kefektivitasan tower crane. Perhitungan produktivitas meliputi perhitungan jarak horizontal, waktu, jumlah angkatan dan jarak tempuh. Penelitian ini bertujuan untuk mengetahui produktivitas dan tingkat keefektivitasan tower crane pada proyek pembangunan gedung Universitas Airlangga. Metode yang digunakan dalam mencari persentase tingkat keefektivitasan, yaitu dengan menggunakan metode utilization rate. Penelitian dilakukan dengan cara observasi langsung dengan mengamati tower crane pada proyek pembangungan gedung Universitas Airlangga. Setelah itu, melakukan perhitungan produktivitas tower crane yang meliputi perhitungan jarak horizontal yang dihitung menggunakan aplikasi AutoCAD, waktu operasional, jumlah beban yang diangkat, dan jarak ditempuh oleh tower crane.Rata-rata produktivitas yang dihasilkan sebesar 118,195 km/jam dengan rata-rata 79 angkatan perhari, maka tower crane dianggap produktif. Analisis perbandingan produktivitas jam kerja efektif dan jam kerja lembur dengan rata-rata nilai produktivitas sebesar 80,732 km/jam untuk jam kerja efektif dan nilai rata-rata produktivitas sebesar 32,664 untuk jam kerja lembur, dengan hasil itu jam kerja efektif lebih produktif dibandingkan jam kerja lembur. Melakukan perhitungan persentase tingkat keefektivitasan tower crane dengan menggunakan metode utilization rate, dengan hasil sebesar 63,2%, maka tingkat keefektivitasan tower crane pada proyek pembangunan gedung Universitas Airlangga yaitu, cukup efektif.
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