PT Trisigma Indonusa
Geotechnical Engineer
12 days ago
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Important information
Contract type:
Permanent
Salary:
IDR 72,000,000 – IDR 96,000,000 / year
Location:
South Tangerang, South Tangerang City, Banten, Indonesia
Work mode:
Onsite
Published on:
15 October 2026
What they need
1. Desain dan Perhitungan Teknis
Menghitung kebutuhan volume resapan dan tampungan air hujan berdasarkan intensitas hujan, luas area tangkapan, koefisien limpasan, dan laju infiltrasi tanah.
Memeriksa keamanan struktur modul tangki terhadap beban tanah urug dan lalu lintas, kedalaman muka air tanah, serta potensi gaya angkat (uplift).
Mendesain sistem drainase bawah tanah (VersiCell, Geopipe) untuk dinding basement, dinding penahan tanah, roof garden, dan lapangan olahraga.
Memilih dan menentukan spesifikasi geosintetik (geotextile woven/non-woven, geomembran HDPE, geogrid, geocell) sesuai fungsi separasi, filtrasi, perkuatan, dan proteksi.
Melakukan analisis stabilitas lereng dan kontrol erosi untuk aplikasi VersiWeb/geocell.
Mengevaluasi daya dukung subgrade dan desain lapis sub-base untuk TurfPave (area parkir, akses mobil pemadam kebakaran).
2. Investigasi Tanah
- Merencanakan, mengawasi, dan menginterpretasi hasil penyelidikan tanah: sondir (CPT), bor dan SPT, uji laboratorium, uji permeabilitas/infiltrasi lapangan, CBR, dan DCP.
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