HAMSAH, MUSLIM (2012) RENCANA REKLAMASI DENGAN PENATAAN LAHAN PADA LAHAN BEKAS PENAMBANGAN TANAH LIAT DI PT. HOLCIM INDONESIA Tbk, CILACAP, JAWA TENGAH. Other thesis, UPN "Veteran" Yogyakarta.
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Abstract
Penelitian dilakukan di quarry tanah liat milik PT. Holcim Indonesia Tbk yang berada di Desa Tritih Lor, Kecamatan Jeruk Legi, Kabupaten Cilacap dengan IUP seluas 250 Hektar. Rencana reklamasi nantinya akan dilakukan di PT. Holcim Indonesia Tbk dilaksanakan pada Blok A dengan luas 2 hektar menggunakan tanaman sengon (paraserienthes falcataria). Berdasarkan penelitian jumlah tanah pucuk (top soil) yang tersedia pada timbunan soil A yaitu sebesar 69.919,5 m3 LCM, berdasarkan perhitungan cara penataan lahan yang sesuai dengan jumlah tanah pucuk (top soil) yang tersedia adalah menggunakan sistem pot/lubang tanam. Pada sistem pot/lubang tanam jumlah tanah pucuk (top soil) yang dibutuhkan sebesar 1.254 m3 LCM dengan dimensi pot/lubang tanam panjang 1 m, lebar penampang atas 2 m, lebar penampang bawah 1 m dan kedalaman 1 m dan jarak antar pot/lubang tanam (3 m x 3 m) dengan jumlah pot/lubang tanam sebanyak 836 lubang. Perkiraan waktu seluruhnya untuk kegiatan reklamasi dengan sistem pot/lubang tanam ini adalah selama 7 hari dengan waktu penumpukan tanah selama 1 hari, waktu penggalian pot/lubang tanam 4 hari dan pengisian pot/lubang tanam selama 2 hari. Kata kunci: Curah hujan, akuifer, potensi airtanah, air limpasan, konduktivitas The study was conducted on clay Quarry owned by PT. Holcim Indonesia Tbk, which is located in the Village Tritih Lor, District Jeruk Legi, Cilacap the IUP area of 250 hectares. Reclamation plan will be conducted at PT. Holcim Indonesia Tbk held in Block A with an area of 2 acres using plant paraserienthes falcataria. Based on research the top soil (top soil) are available on a pile of soil that is equal to 69919.5 m3 LCM, based on the calculation of how the arrangement of land according to the number of top soil (top soil) that is available is to use the system pot / planting hole. In the pot system / planting hole the top soil (top soil) needed for 1254 m LCM with dimensions of planting hole length of 1 m, 2 m wide cross-section above, the cross-sectional width of 1 m and a depth of 1 m and the distance between the pot / hole planting (3 mx 3 m) m with the number of pots / planting hole total of 836 holes. Estimated total time for reclamation system with pot / plant hole is for 7 days with the buildup of soil for 1 day, while digging pot / 4 day of the planting hole and filling pots / planting hole for 2 days. Kata kunci : Reclamation, Block A, Top soil, sengon, pot / hole system.
| Item Type: | Thesis (Other) |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 26 May 2016 03:07 |
| Last Modified: | 26 May 2016 03:07 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/2514 |
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