Hutabarat, Elena br (2025) Optimalisasi Produktivitas Alat Berat Pada Pekerjaan Penggalian Saluran. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Excavation work for drainage channels is an essential part of road construction projects, where the efficiency of heavy equipment greatly impacts project duration and cost. This study aims to compare the unit productivity of heavy equipment under theoretical and actual field conditions, calculate non-productive time (idle time) based on the number of equipment units and work duration, and carry out optimization to reduce idle time. The study was conducted on the South Cross Road Project Lot 2 in Blitar Regency using the time study method over a 7-day field observation period. The results show a significant productivity gap for each unit of equipment. The rock drill breaker has a theoretical productivity of 489.28 m³/day and actual productivity of 434.48 m³/day, the excavator has a theoretical productivity of 950 m³/day and actual 830.80 m³/day, and the dump truck has a theoretical productivity of 464.80 m³/day and actual 388 m³/day. Daily idle time was also relatively high, at 1.99 hours/day for the rock drill breaker, 1.71 hours/day for the excavator, and 3.51 hours/day for the dump truck. Through optimizing the number of equipment units and adjusting the work duration to 6 days, idle time was successfully reduced to 0.98, 0.66, and 0.14 hours/day respectively. These results highlight the importance of balanced planning of equipment and working time in improving operational efficiency in drainage excavation projects.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||
| Divisions: | Faculty of Engineering > Departement of Civil Engineering | ||||||||
| Depositing User: | Elena br Hutabarat | ||||||||
| Date Deposited: | 28 Nov 2025 06:57 | ||||||||
| Last Modified: | 28 Nov 2025 06:57 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/47144 |
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