?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F&rft.title=Kajian+teknis+sistem+mine+dewatering+pada+tambang+terbuka+pt.+putra+muba+coal+Kabupaten+Musi+BanyuasinProvinsi+Sumatera+Selatan&rft.creator=PRATAMA+710018093%2C+FERI+ADI&rft.subject=TN+Mining+engineering.+Metallurgy&rft.description=SARI%0D%0A%0D%0A%0D%0A%0D%0ADebit+air+yang+masuk+kedalam+tambang+berasal+dari+debit+air+limpasan%2C+debit+air+hujan+dan+debit+air+tanah.+Debit+air+tersebut+akan+mengganggu+kegiatan+penambangan+jika+tidak+lakukan+penanganan.+Tujuan+dari+penelitian+yang+dilakukan+adalah+menghitung+debit+air+yang+masuk+pada+area+penambangan+dan+mengkaji+dimensi+dari+saluran+terbuka+serta+kolam+pengendapan+agar+sesuai+dengan+debit+air+yang+masuk+ke+tambang.+Data+curah+hujan+yang+diperoleh+dari+perusahaan+akan+digunakan+untuk+menghitung+intesitas+curah+hujan+menggunakan+rumus+mononobe.+Perhitungan+intensitas+curah+hujan+dapat+menentukan+debit+air+pada+sump.+Hasil+perhitungan+didapatkan+debit+air+limpasan+untuk+setiap+daerah+tangkapan+hujan+(catchment+area)+yaitu+CA+I+0%2C0000116+m3%2Fdetik%2C+CA+II+0%2C000012+m3%2Fdetik%2C+CA+III+0%2C0000119+m3%2Fdetik+dan+debit+air+hujan+yaitu+0%2C0015+m3%2Fdetik.+Total+debit+tersebut+dipengaruhi+oleh+daerah+tangkapan+hujan+(catchment+area)%2C+lamanya+durasi+hujan%2C+intensitas+curah+hujan+dan+curah+hujan+rencana+periode+ulang+hujan+5+tahun.+Berdasarkan+perhitungan+debit+air+yang+masuk+ke+dalam+tambang+maka+dimensi+saluran+terbuka+adalah+panjang+sisi+saluran+terbuka+0%2C28+m%2C+lebar+dasar+saluran+terbuka+0%2C24+m%2C+lebar+atas+saluran+terbuka+1%2C73+m%2C+kedalaman+saluran+0%2C24+m%2C+kedalaman+aliran+0%2C21+m%2C+tinggi+jagaan+0%2C031+m%2C+kemiringan+dinding+saluran+60%E1%B5%92+dan+lebar+permukaan+air+sebesar+0%2C48+m%2C+untuk+saluran+menuju+kolam+pengendapan.+Dimensi+kolam+pengendapan+(settling+pond)+yang+dibuat+yaitu+berbentuk+zig-zag+dengan+4+zona+kompartemen+yang+berkedalaman+masing+-+masing+kedalaman+4+m%2C+dengan+luas+kolam+445+m2%2C+dengan+panjang+kolam+15+m+dan+lebar+30+m.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AKata+Kunci%3A+Debit+air%2C+Curah+Hujan%2C+Saluran+Terbuka%2C+Kolam+Pengendapan.%0D%0A+%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AThe+water+discharge+that+enters+the+mine+comes+from+runoff+water+discharge%2C+rainwater+discharge+and+groundwater+debit.+The+water+discharge+will+disrupt+mining+activities+if+not+handled.+The+purpose+of+the+research+conducted+is+to+calculate+the+water+discharge+entering+the+mining+area+and+examine+the+dimensions+of+the+open+channels+and+settling+ponds+to+match+the+water+discharge+entering+the+mine.+Rainfall+data+obtained+from+the+company+will+be+used+to+calculate+rainfall+intensity+using+the+mononobe+formula.+Calculation+of+rainfall+intensity+can+determine+the+discharge+of+water+in+the+sump.+The+calculation+results+show+that+runoff+water+discharge+for+each+catchment+area+is+CA+I+0.0000116+m3%2Fsecond%2C+CA+II+is+0.000012+m3%2Fsecond%2C+CA+III+is+0.0000119+m3%2Fsecond+and+rainwater+discharge+is+0.0015+m3%2Fsec.+The+total+discharge+is+influenced+by+the+catchment+area%2C+the+duration+of+the+rain%2C+the+intensity+of+the+rainfall+and+the+planned+rainfall+for+the+5-year+return+period.+Based+on+the+calculation+of+the+discharge+of+water+entering+the+mine%2C+the+dimensions+of+the+open+channel+are+the+length+of+the+side+of+the+open+channel+0.28+m%2C+the+width+of+the+bottom+of+the+open+channel+is+0.24+m%2C+the+width+of+the+top+of+the+open+channel+is+1.73+m%2C+the+depth+of+the+channel+is%0D%0A0.24+m%2C+the+depth+of+the+flow+0.21+m%2C+guard+height+0.031+m%2C+channel+wall+slope+of+60%E1%B5%92+and+water+surface+width+of+0.48+m%2C+for+the+channel+leading+to+the+settling+pond.+The+dimensions+of+the+settling+pond+are+zig-zag+with+4+compartment+zones+with+a+depth+of+4+m+each%2C+with+a+pool+area+of+445+m2%2C+with+a+pool+length+of+15+m+and+a+width+of+30+m.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AKeywords%3A+Water+discharge%2C+Rainfall%2C+Open+Channel%2C+Settling+pond.&rft.publisher=ITNY&rft.date=2023-07-19&rft.type=Other&rft.type=NonPeerReviewed&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F1%2Fcover.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F2%2Fbab1.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F3%2Fbab2.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F4%2Fbab3.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F5%2Fbab4.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F6%2Fbab5.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F7%2Fbab6.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F9%2Fdapus.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4226%2F10%2Flampiran.pdf&rft.identifier=++PRATAMA+710018093%2C+FERI+ADI++(2023)+Kajian+teknis+sistem+mine+dewatering+pada+tambang+terbuka+pt.+putra+muba+coal+Kabupaten+Musi+BanyuasinProvinsi+Sumatera+Selatan.++ITNY%2C+Yogyakarta.++++(Unpublished)++