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DAFTAR ISI

HALAMAN JUDUL ................................................................................................ i

LEMBAR PENGESAHAN .................................................................................... ii

LEMBAR PERNYATAAN ................................................................................... iii

LEMBAR PERSEMBAHAN ................................................................................ iv

KATA PENGANTAR ............................................................................................ v

DAFTAR ISI ......................................................................................................... vii

DAFTAR TABEL ................................................................................................... x

DAFTAR GAMBAR ............................................................................................ xii

INTISARI ............................................................................................................. xiii

ABSTRACT ......................................................................................................... xiv

BAB I PENDAHULUAN ....................................................................................... 1

1.1 Latar Belakang ............................................................................................ 1

1.2 Rumusan Masalah ....................................................................................... 3

1.3 Tujuan Penelitian ......................................................................................... 3

1.4 Batasan Penelitian ....................................................................................... 3

1.5 Manfaat Penelitian ....................................................................................... 4

1.6 Keaslian Penelitian ...................................................................................... 4

BAB II TINJAUAN PUSTAKA ............................................................................ 5

2.1 Sistem Drainase Perkotaan .......................................................................... 5

2.2 Limpasan Permukaan (surface runoff) ........................................................ 6

2.3 Koefisien Limpasan ..................................................................................... 6

2.4 Dampak Perubahan Penggunaan Lahan Terhadap Karakteristik

Limpasan ..................................................................................................... 7

2.5 Faktor Penyebab Banjir dan Genangan di Perkotaan .................................. 9

2.6 Kinerja Sistem Drainase Perkotaan ........................................................... 11

2.7 Sumur Resapan Air Hujan .......................................................................... 12

BAB III LANDASAN TEORI ............................................................................. 14

3.1 Intensitas Durasi Frekuensi Hujan ............................................................ 14

3.2 Distribusi Hujan Durasi Pendek ................................................................ 15

PENINGKATAN KINERJA DRAINASE UNTUK PENANGANAN BANJIR MENGGUNAKAN SUMURRESAPAN (STUDI KASUSKELURAHAN TEMINDUNG PERMAI KOTA SAMARINDA)EZRA H. PONGTULURANUniversitas Gadjah Mada, 2017 | Diunduh dari http://etd.repository.ugm.ac.id/

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3.3 Debit Maksimum Limpasan Permukaan ................................................... 16

3.4 Kapasitas Saluran Drainase ....................................................................... 18

3.5 Hidraulika Sumur Resapan ........................................................................ 19

BAB IV METODE PENELITIAN ....................................................................... 22

4.1 Lokasi Penelitian ....................................................................................... 22

4.2 Jenis dan Sumber Data .............................................................................. 23

4.3 Metode Pengumpulan Data ....................................................................... 24

4.4 Tahapan Penelitian .................................................................................... 24

4.5 Analisis Data ............................................................................................. 27

BAB V HASIL DAN PEMBAHASAN ................................................................ 29

5.1 Perubahan Penggunaan Lahan................................................................... 29

5.2 Analisis Frekuensi Hujan Harian Maksimum ........................................... 32

5.2.1 Curah hujan harian maksimum ............................................................... 32

5.2.2 Uji Kecocokan ........................................................................................ 33

5.3 Intensitas Curah Hujan Rancangan (I) ...................................................... 33

5.4 Analisis Distribusi Hujan Durasi Pendek .................................................. 36

5.5 Koefisien Limpasan Kawasan ................................................................... 38

5.6 Peningkatan Debit Puncak Maksimum Akibat Perubahan

Penggunaan Lahan .................................................................................... 41

5.7 Analisis Kebutuhan Sumur Resapan ......................................................... 42

5.7.1 Kedalaman sumur resapan dengan intensitas hujan berdasarkan

kurva IDF ................................................................................................ 42

5.7.2 Kedalaman sumur resapan dengan intensitas hujan berdasarkan

pola distribusi ABM ................................................................................ 43

5.8 Konstruksi Pembuatan Sumur Resapan .................................................... 44

5.9 Pengaruh Sumur Resapan terhadap Koefisien Limpasan.......................... 46

5.10 Perubahan Debit Puncak Saluran Drainase Akibat Penggunaan

Sumur Resapan .......................................................................................... 48

5.11Pengaruh Penggunaan Sumur Resapan Terhadap Dimensi Saluran

Drainase ..................................................................................................... 53


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BAB VI KESIMPULAN DAN SARAN .............................................................. 56

6.1 Kesimpulan ................................................................................................ 56

6.2 Saran .......................................................................................................... 57

DAFTAR PUSTAKA ........................................................................................... 58

LAMPIRAN .......................................................................................................... 60


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