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Totok Sulistyo
Civil Engineering Dept, Balikpapan State Polytechnics
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Transportation

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IDENTIFICATION AQUIFER PARAMETERS THROUGH SINGLE WELL PUMPING TEST SERIES AT PT. KALTIM KARIANGAU TERMINAL, BALIKPAPAN, EAST KALIMANTAN Totok Sulistyo
JUTEKS : Jurnal Teknik Sipil Vol 3 No 2 (2018): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (911.231 KB) | DOI: 10.32511/juteks.v3i2.283

Abstract

Aquifer Parameters are very important in groundwater and well management. The objective of this research is to determine aquifer parameter in order to be used in determining suitable production rate of well. Research was carried out in PT. Kaltim Kariangau Terminal, which is administratively, located in Balikpapan City, East Kalimantan, Indonesia. PT. Kaltim Kariangau Terminal has developed four wells with distance of each of well is between 50 and 300 meters, but it is a pity because just one well was completed by pumping test without observation well. Result of constant pumping test analyzing through Cooper – Jacob method has shown that value of Transmissivity (T) of aquifer is 319.0718283 m2/day, and it is known from geophysical logging and well construction design that the thickness of aquifer is 48 m, so hydraulic conductivity (K) of aquifer is 6.6473 m/day. Coefficient of aquifer loss is 0.0013 and coefficient of well loss is 0.0000008. Factors development of well could be classified as very effective with the well condition is properly designed and developed.
GEOMATICS ACCURACY AND PRECISION OF DETERMINATION HORIZONTAL DISTANCES IN STAKE OUT MEASUREMENT USING THEODOLITE Totok Sulistyo; Karmila Achmad; Rahmad Bangun Giarto
JUTEKS : Jurnal Teknik Sipil Vol 4 No 2 (2019): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.031 KB) | DOI: 10.32511/juteks.v4i2.612

Abstract

Stake-Out is a processes of transferring construction design to the real world so that Stake Out is highly imperative in a construction job. Stake-Out jobs in the middle and lower levels of construction industry are still using theodolite accompanying with calculator rather than using high-end instruments. The results of the study show that theodolite has lower accuracy compared to Total Station and other high-end instruments, such as GPS Geodetic and Laser Scanner. This research is aimed to determine the accuracy and precision of Theodolite in determining the horizontal distance of Stake Out measurement which staff reading is simulated using android App (Stake Out Guide). The results of experiment showed that the accuracy of Theodolite is 0.025 m meanwhile the precision is 0.12%.
Co-Authors Karmila Achmad Rahmad Bangun Giarto