Azzahro, Shofi Qurrota'ayun (2026) Analisis Kesesuaian Pelaksanaan Pengendalian Mutu Pekerjaan Jalan dan Jembatan Pada Proyek Pembangunan Jalan Lintas Selatan (JLS) Lot 3 Blitar. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The construction of road and bridge infrastructure requires strict quality control to ensure that the work meets the established technical specifications. Quality evaluations in previous studies have generally been partial and have not fully integrated compliance assessments against the Detailed Engineering Design (RKS), General Specifications of the Ministry of Public Works and Public Housing, and comprehensive assessment guidelines; furthermore, the integrated application of Root Cause Analysis (RCA) to road pavement and bridge superstructure works is still rarely performed. This study was conducted on the Southern Cross-Country Road (JLS) Construction Project, Lot 3 Blitar, under complex terrain conditions. The objectives of the study were to identify parameters that do not conform to technical specifications, analyze the factors causing non-conformity using RCA, and evaluate the level of compliance with quality control for road pavement and bridge superstructure works. The methods used were quantitative descriptive analysis through field observations based on technical checklists, analysis of laboratory and field test data, and comparison against the Detailed Design Specifications (RKS), General Specifications, and applicable Indonesian National Standards (SNI). The RCA analysis utilized a fishbone diagram with a 4M + Environment approach. The research results showed that the overall compliance rate reached 94.82%, with details as follows: Subgrade 100%, LPA 97.81%, asphalt pavement 99.13%, and bridge superstructure 82.35%. Non-conformities were found in LPA density, asphalt layer thickness, and deck slab reinforcement. The RCA results indicate that the non-conformities were influenced by field moisture content, weather conditions, the number of compaction passes, equipment calibration, material condition, compaction temperature management, as well as coordination and worker discipline. Overall, the quality control system has been effective; however, improvements are still needed in the areas of supervision, work methods, and field coordination.
| 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: | Shofi Qurrota'ayun Azzahro | ||||||||||||
| Date Deposited: | 29 May 2026 08:50 | ||||||||||||
| Last Modified: | 29 May 2026 08:50 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/53211 |
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