Analisis Ketelitian Total Station dan Waterpass Menggunakan AutoCAD Civil 3D Dalam Perencanaan Galian Timbunan Pada Proyek jalan Perumahan Citra City Sentul

Sihombing, Tri Alexander (2025) Analisis Ketelitian Total Station dan Waterpass Menggunakan AutoCAD Civil 3D Dalam Perencanaan Galian Timbunan Pada Proyek jalan Perumahan Citra City Sentul. S1 thesis, Universitas Kristen Indonesia.

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Abstract

Perhitungan volume galian dan timbunan tanah dalam pekerjaan teknik sipil sangat penting untuk memastikan efisiensi biaya dan keakuratan perencanaan proyek. Penelitian ini membandingkan elevasi serta volume galian dan timbunan yang diukur menggunakan Total Station dan Waterpass. Data penelitian diambil dari proyek Jalan Perumahan Citra City Sentul, dengan metode perhitungan penampang rata-rata menggunakan AutoCAD Civil 3D dan Microsoft Excel. Hasil penelitian menunjukkan bahwa selisih elevasi terbesar antara Total Station dan Waterpass terjadi pada point 658, yaitu sebesar 0,020 m atau 20 mm. Perhitungan volume dengan AutoCAD Civil 3D menghasilkan volume galian sebesar 2.498,05 m3 dan timbunan 13.311,3 m3. Sementara itu, perhitungan manual dengan Microsoft Excel pada alat Total Station menghasilkan volume galian sebesar 3.932,2 m3 dan timbunan 13.402,4 m3, sedangkan Waterpass menghasilkan volume galian 3.914,1 m3 dan timbunan 12.963,1 m3. Analisis deviasi standar menunjukkan bahwa Total Station memiliki nilai deviasi standar untuk galian sebesar 89,34 m3 (0,03%) dan timbunan 122,047 m3 (0,02%), sedangkan Waterpass memiliki nilai deviasi standar untuk galian sebesar 88,84 m3 (0,02%) dan timbunan 110,675 m3 (0,01%). Dengan demikian, Waterpass terbukti lebih teliti dalam perhitungan elevasi serta volume galian dan timbunan, meskipun Total Station lebih efisien dalam pengukuran lapangan. Kata kunci: Galian dan Timbunan, Elevasi, Metode Penampang Rata-Rata, Deviasi Standar, AutoCAD Civil 3D / Calculating the volume of excavation and embankment in civil engineering work is crucial to ensuring cost efficiency and project planning accuracy. This study aims to compare the elevation and the excavation and embankment volumes measured using a Total Station dan a Waterpass. The research data was collected from the Citra City Sentul Housing Road Project, utilizing the average cross-section method AutoCAD Civil 3D and Microsof Excel for calculations. The studi results indicate that the largest elevation difference between the Total Station and Waterpass occurred at point 658, measuring 0.020 m or 20 mm. volume calculations using AutoCAD Civil 3D produced an excavation volume of 2,498.05 m3 and an embankment volume of 13,311.3 m3. Meanwhile, manual calculations with Microsoft Excel showed that the Total Station yielded an excavation volume of 3,932.2 m3 and an embankment volume of 13,402.4 m3, whereas the Waterpass resulted in an excavation volume of 3,914.1 m3 and an embankment volume 12,963.1 m3. Standard deviation analysis showed that the Total Station had a standard deviation of 89.34 m3 (0,03%) for excavation and 122.047 m3(0,02%) for embankment, while the Waterpass had a standard deviation of 88.84 m3 (0,02%) for excavation and 110.675 m3 (0,01%) for embankment. Thus, the Waterpass proved to be more accurate in measuring elevation and excavation and embankment volumes, while the Total Station was more efficient in field measurements. Keywords: Excavation and Embankment, Elevation, Average Cross-Section Method, Standard Deviation, AutoCAD Civil 3D

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