DAFTAR ISI. BAB I PENDAHULUAN 1.1. Latar Belakang Rumusan Masalah Tujuan Penelitian Batasan Masalah Manfaat

DAFTAR ISI HALAMAN JUDUL HALAMAN PENGESAHAN ....................................................................... i PERNYATAAN............................................................................................. ii KATA PENGANTAR ................................................................................... iii DAFTAR ISI .................................................................................................. v DAFTAR TABEL ......................................................................................... viii DAFTAR GAMBAR ..................................................................................... ix DAFTAR RUMUS ........................................................................................ x DAFTAR LAMPIRAN .................................................................................. xi ABSTRAK ................................................................................................... xii

BAB I PENDAHULUAN 1.1. Latar Belakang ........................................................................... 1 1.2.Rumusan Masalah ....................................................................... 2 1.3.Tujuan Penelitian ........................................................................ 2 1.4. Batasan Masalah......................................................................... 3 1.5. Manfaat ...................................................................................... 3

BAB II GAMBARAN UMUM DAERAH PERENCANAAN UNIVERSITAS ISLAM INDONESIA (UII) 2.1 Profil Kabupaten Sleman ............................................................ 4 2.2 Profil Kampus Terpadu Universitas Islam Indonesia ................. 5 2.2.1. Batasan Wilayah Kampus Terpadu Universitas Islam Indonesia.............................................. 6 2.2.2. Data Topografi KampusTerpadu UII ................................ 6 2.2.3. Data Iklim Kampus Terpadu UII ...................................... 7 2.2.4. Tata Guna Lahan Kampus Terpadu dan Kabupaten Sleman ............................................................ 7 2.3.Lokasi Penelitian ......................................................................... 8 iv

BAB III METODE PENELITIAN 3.1. Kerangka Penelitian ................................................................... 10 3.2. Ide Penelitian .............................................................................. 11 3.3. Kriteria Perencanaan Drainase ................................................... 11 3.3.1. Kriteria Perencanaan Hidrologi......................................... 11 3.3.2. Data CurahHujan ............................................................... 12 3.3.3. Metode Gumbel ................................................................. 12 3.3.4. Periode Ulang Hujan ......................................................... 13 3.3.5. Intensitas Hujan ................................................................. 14 3.3.6. Daerah Tangkapan Hujan .................................................. 17 3.3.7.Koefisien Alir Permukaan untuk Masterplan .................... 19 3.3.8. Slope Saluran untuk Masterplan ....................................... 20 3.3.9. Debit Saluran untuk Masterplan ....................................... 20 3.3.10. Volume Saluran untuk Masterplan ................................. 21 3.3.11. Sumur Resapan untuk Masterplan .................................. 21 3.4. Pengumpulan Data ..................................................................... 22 3.4.1. Data Primer ....................................................................... 23 3.4.2. Data Sekunder ................................................................... 23 3.5. Karakteristik Tanah Dalam Penyerapan Air .............................. 24 3.6. Model Pengelolaan Drainase Berkelanjutan .............................. 24 3.7. Analisis Data .............................................................................. 25 3.8. Kriteria Desain ........................................................................... 25 3.8.1. Saluran Drainase ............................................................... 25 3.8.2. Sumur Resapan ................................................................. 26 3.8.3. Kolam Retensi ................................................................... 28

BAB IV ANALISA KONDISI EKSISTING 4.1. Perhitungan Luas Catchment pada Kondisi Eksisting ............... 32 4.2.Perhitungan Koefisien Aliran pada Kondisi Eksisting................ 34

v

4.3. Perhitungan Slope Saluran dan Limpasan Pada Kondisi Eksisting .............................................................. 37 4.4. Perhitungan Debit Saluran Eksisting ......................................... 41 4.5. Perhitungan Dimensi Saluran Eksisting ..................................... 43

BAB V ANALISIS HIDROLOGI 5.1.Perhitungan dengan Metode Gumbel .......................................... 49 5.2. Perhitungan Intensitas Hujan Hasper Weduwen ........................ 49 5.3. Perhitungan Lengkung Intensitas Hujan Talbot......................... 50 5.4.Grafik Lengkung Intensitas Hujan Talbot................................... 52

BAB VI PERENCANAAN HIDROLIKA MASTERPLAN UNIVERSITAS ISLAM INDONESIA (UII) 6.1. Perhitungan Luas Catchment pada Masterplan ......................... 54 6.2. Perhitungan Koefisien Aliran pada Masterplan ......................... 55 6.3. Perhitungan Slope Saluran dan Limpasan pada Masterplan ...... 57 6.4. Perhitungan Debit pada Masterplan........................................... 60 6.5. Perhitungan Dimensi Saluran pada Masterplan ......................... 62 6.6. Perhitungan Bangunan Pelengkap pada Masterplan.................. 64 6.7.Bangunan dan Kolam Pintu Air pada Masterplan ...................... 68 6.8. Sumur Resapan dengan Metode Sunyoto .................................. 69 6.9. Permeabilitas Tanah pada Masterplan ....................................... 71

BAB VII BILL OF QUANTITY & RAB ..................................................... 73 BAB VIII KESIMPULAN & SARAN ......................................................... 74 DAFTAR PUSTAKA LAMPIRAN

vi

DAFTAR TABEL Tabel 2.1.Letak Geografis dan Batas Wilayah Kabupaten Sleman .............. 4 Tabel 2.2.Tata Guna Lahan di Kabupaten Sleman ....................................... 8 Tabel 3.1.Data Curah Hujan BMKG............................................................. 12 Tabel 3.2.PeriodeUlang Hujan Rencana ....................................................... 14 Tabel 3.3.Koefisien Daerah Aliran Permukaan untuk Daerah Urban ........... 20 Tabel 3.4.Jenis/Klasifikasi Tanah BerdasarkanUkuran Butiran Tanah ........ 24 Tabel 4.1.Luas Catchment ............................................................................ 32 Tabel 4.2.Koefisien Aliran Jalur Eksisting ................................................... 34 Tabel 4.3.Slope Saluran................................................................................. 38 Tabel 4.4.Slope Limpasan ............................................................................. 39 Tabel 4.5.Pehitungan Debit Eksisting ........................................................... 42 Tabel 4.6.Dimensi Saluran ............................................................................ 44 Tabel 5.1. Data Curah HujanStasiun Pakem Desa Pakembinangun ............. 48 Tabel 5.2.Metode Gumbel............................................................................. 49 Tabel 5.3.Intensitas Hujan Hasper Weduwen dengan PUH 2 Tahun ........... 50 Tabel 5.4.Intensitas Hujan Hasper Weduwen dengan PUH 5 Tahun ........... 50 Tabel 5.5.Lengkung Intensitas Hujan Talbot dengan PUH 2 Tahun ............ 51 Tabel 5.6.Lengkung Intensitas Hujan Talbot dengan PUH 5 Tahun ............ 51 Tabel 5.7.Intensitas Hujan dengan PUH 2 dan 5 Tahun ............................... 52 Tabel 6.1.Luas Catchment ............................................................................ 55 Tabel 6.2.Koefisien Aliran ............................................................................ 56 Tabel 6.3.Slope Saluran................................................................................. 58 Tabel 6.4.Slope Limpasan ............................................................................ 59 Tabel 6.5. Debit ............................................................................................. 61 Tabel 6.6.Dimensi Saluran ............................................................................ 63 Tabel 6.7.Gorong - Gorong ........................................................................... 65 Tabel 6.8.Street Inlet Pada Saluran Eksisting ............................................... 66 Tabel 6.9.Street Inlet Pada Saluran Masterplan............................................ 67 vii

Tabel 6.10.Bangunan Kolam dan Pintu Air ................................................. 68 Tabel 6.11.Sumur Resapan ........................................................................... 69 Tabel 6.12.Permeabilitas Tanah .................................................................... 72

DAFTAR GAMBAR Gambar 2.1.Peta Administrasi Kabupaten Sleman ....................................... 5 Gambar 2.2.Peta Kampus Terpadu Universitas Islam Indonesia .................. 9 Gambar 3.1.Diagram Alir Perencanaan ........................................................ 10 Gambar 3.2.GrafikIntensitas Hujan Menurut Hasper Weduwen .................. 16 Gambar 3.3.SkemaAliran Daerah Tangkapan Air ........................................ 17 Gambar 3.4.Saluran Primer ........................................................................... 18 Gambar 3.5.Saluran Sekunder ...................................................................... 18 Gambar 3.6.Saluran Tersier .......................................................................... 19 Gambar 3.7.Kolam Retensi Tipe di Samping Badan Sungai ........................ 29 Gambar 3.8.Kolam Retensi Tipe di Dalam Badan Sungai ........................... 30 Gambar 3.9.Kolam Retensi Tipe Storage Memanjang ................................. 30 Gambar 4.1.Arah Aliran Saluran Eksisting .................................................. 34 Gambar 5.1.Grafik Lengkung Intensitas Hujan Talbot dengan PUH 2 dan 5 Tahum .................................................... 53 Gambar 6.1.Sketsa Saluran Drainase di UII ................................................. 64 Gambar 6.2.Sketsa Kolam di UII .................................................................. 69 Gambar 6.3.Sketsa Sumur Resapan di UII ................................................... 70

viii

DAFTAR RUMUS Rumus 3.1. Persamaan Gumbel ................................................................... 13 Rumus 3.2. Persamaan Hasper Weduwen ................................................... 14 Rumus 3.3. Persamaan Hasper Weduwen ................................................... 15 Rumus 3.4. Persamaan Hasper Weduwen ................................................... 15 Rumus 3.5. Persamaan Hasper Weduwen ................................................... 16 Rumus 3.6. Persamaan Hasper Weduwen ................................................... 17 Rumus 3.7. Persamaan Debit ....................................................................... 21 Rumus 3.8. Persamaan Sunjoto.................................................................... 22 Rumus 3.9. Persamaan Sunjoto.................................................................... 22

ix

DAFTAR LAMPIRAN Lampiran 1.Perhitungan Lampiran 2.Gambar Detail Desain Lampiran 3.Daftar Harga Satuan Lampiran 4.Dokumentasi

x