xv Universitas Indonesia

DAFTAR ISI

HALAMAN PERNYATAAN ORISINALITAS ................................................ v

STATEMENT OF AUTHENTICITY ................................................................ vi

HALAMAN PENGESAHAN ............................................................................. vii

STATEMENT OF LEGITIMATION .............................................................. viii

KATA PENGANTAR .......................................................................................... ix

HALAMAN PERNYATAAN PERSETUJUAN PUBLIKASI TUGAS

AKHIR UNTUK KEPENTINGAN AKADEMIS ............................................. xi

STATEMENT OF AGREEMENT OF FINAL REPORT PUBLICATION

FOR ACADEMIC PURPOSES ......................................................................... xii

ABSTRAK .......................................................................................................... xiii

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

DAFTAR ISI ........................................................................................................ xv

DAFTAR GAMBAR ......................................................................................... xvii

DAFTAR TABEL ............................................................................................ xviii

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

1.1 Latar Belakang ........................................................................................... 1 1.2 Perumusan Masalah ................................................................................... 3 1.3 Tujuan Penelitian ....................................................................................... 3 1.4 Manfaat Penelitian ..................................................................................... 4 1.5 Batasan Penelitian...................................................................................... 4

BAB 2 TINJAUAN PUSTAKA .......................................................................... 5

2.1 Gambaran Umum Jaringan Distribusi Air Bersih ..................................... 5 2.2 Komponen-Komponen Dalam Jaringan Distribusi Air Bersih .................. 9 2.3 Pola Jaringan Distribusi Air Bersih ......................................................... 11 2.4 Kehilangan Energi (Head Loss) Akibat Tekanan .................................... 14 2.5 Pedoman Pengembangan Sistem Penyediaan Air Minum ...................... 18 2.6 Penelitian Terdahulu ................................................................................ 21 2.7 Aplikasi Penunjang Sistem Jaringan Distribusi Air Bersih ..................... 23

BAB 3 METODOLOGI PENELITIAN ........................................................... 28

3.1 Pendekatan Penelitian .............................................................................. 28 3.2 Kerangka Berpikir ................................................................................... 28 3.3 Prosedur Penelitian .................................................................................. 29 3.4 Variabel Penelitian .................................................................................. 30

xvi Universitas Indonesia

3.5 Data Penunjang ........................................................................................ 31 3.6 Pengolahan Data ...................................................................................... 32 3.7 Lokasi dan Waktu Penelitian .................................................................. 34

BAB 4 GAMBARAN UMUM ........................................................................... 35

4.1 Profil PDAM Tirta Kahuripan ................................................................. 35 4.2 Gambaran Umum Instalasi Pengolahan Air (IPA) Legong ..................... 36 4.3 Kondisi Eksisting Jaringan Distribusi Air Bersih PDAM Tirta Kahuripan

Cabang Pelayanan 2 Kota Depok ............................................................ 41 4.4 Gambaran Umum Kota Depok ................................................................ 42

BAB 5 HASIL DAN ANALISA ........................................................................ 44

5.1 Jaringan Distribusi Air Bersih Eksisting ................................................. 44 5.2 Menjalankan Program EPANET 2.0 dan WaterGEMS Pada Seluruh

Jaringan Distribusi ................................................................................... 51 5.3 Perbandingan Aplikasi EPANET 2.0 dan WaterGEMS .......................... 58 5.4 Evaluasi dan Optimalisasi Jaringan Distribusi Air Bersih Menggunakan

Aplikasi EPANET 2.0 ............................................................................. 63 BAB 6 KESIMPULAN DAN SARAN .............................................................. 69

6.1 Kesimpulan .............................................................................................. 69 6.2 Saran ........................................................................................................ 70

DAFTAR PUSTAKA .......................................................................................... 71

LAMPIRAN ......................................................................................................... 73

xvii Universitas Indonesia

DAFTAR GAMBAR

Gambar 2.1 Perbesaran Penampang Pipa ........................................................ 16 Gambar 2.2 Penyempitan Penampang Pipa..................................................... 17 Gambar 2.3 Belokan yang Terjadi Pada Pipa .................................................. 17 Gambar 3.1 Kerangka Berpikir Penelitian Optimalisasi Jaringan Distribusi Air

Bersih ........................................................................................... 29 Gambar 3.2 Alur Kerja Penelitian Optimalisasi Jaringan Distribusi Air Bersih

PDAM Tirta Kahuripan cabang pelayanan 2 Kota Depok .......... 30 Gambar 4.1 Lokasi dan Penampakan Kantor Cabang Pelayanan 2 PDAM Tirta

Kahuripan dan IPA Legong ......................................................... 37 Gambar 4.2 Skema Eksisting Sistem Pengolahan Air Bersih Legong ............ 38 Gambar 5.1 Sistem Jaringan Distribusi Air Bersih PDAM Tirta Kahuripan

Cabang Pelayanan 2 dalam EPANET 2.0 ................................... 44 Gambar 5.2 Elevasi setiap Junction Pada Jaringan Distribusi ........................ 49 Gambar 5.3 Titik Acuan Distribusi ................................................................. 50 Gambar 5.4 Output Data Flow pada Aplikasi EPANET 2.0 ........................... 53 Gambar 5.5 Output Data Velocity pada Aplikasi EPANET 2.0 ...................... 54 Gambar 5.6 Output Data Pressure pada Aplikasi EPANET 2.0 ..................... 56

xviii Universitas Indonesia

DAFTAR TABEL

Tabel 2.1 Pipe Headloss Formulas for Full Flow ......................................... 25 Tabel 2.2 Roughness Coefficient for New Pipe ............................................. 25 Tabel 3.1 Jadwal Kegiatan Penelitian ............................................................. 34 Tabel 4.1 Produksi Air PDAM Tirta Kahuripan ............................................ 36 Tabel 4.2 Kapasitas Air Baku dan Air Produksi IPA Legong Bulan Januari-

September Tahun 2014 ................................................................... 39 Tabel 4.3 Kualitas Air Baku dan Air Produksi PDAM Tirta Kahuripan

Instalasi Pengolahan Air Legong Tahun 2013 ............................... 40 Tabel 4.4 Data Pipa Distribusi PDAM Tirta Kahuripan Cabang

Pelayanan 2 ..................................................................................... 41 Tabel 4.5 Karakteristik Pompa PDAM Tirta Kahuripan Cabang

Pelayanan 2 ..................................................................................... 42 Tabel 4.6 Karakteristik Unit Reservoir ........................................................... 42 Tabel 4.7 Jumlah Penduduk, Luas Wilayah, dan Kepadatan Penduduk

Menurut Kecamatan di Kota Depok, 2013 ..................................... 43 Tabel 5.1 Diameter dan Material Pipa pada Distribusi pada Cabang Pelayanan

2 Kota Depok .................................................................................. 45 Tabel 5.2 Panjang Pipa Distribusi pada Cabang Pelayanan 2 Kota Depok .... 47 Tabel 5.3 Elevasi Junction pada Jaringan Distribusi Cabang Pelayanan 2 Kota

Depok.............................................................................................. 48 Tabel 5.4 Output Data Pipa Jaringan Distribusi Dalam Aplikasi

EPANET 2.0 ................................................................................... 52 Tabel 5.5 Output Data Junction Pada Jaringan Distribusi Dalam Aplikasi

EPANET 2.0 .................................................................................. 55 Tabel 5.6 Output Data Pipa Jaringan Distribusi Dalam Aplikasi

WaterGEMS .................................................................................. 57 Tabel 5.7 Output Data Junction Pada Jaringan Distribusi Dalam Aplikasi

WaterGEMS .................................................................................. 58 Tabel 5.8 Perbandingan Output Data Junction Pada Jaringan Distribusi ...... 59 Tabel 5.9 Perbandingan Output Data Pipa Pada Jaringan Distribusi ............ 60 Tabel 5.10 Elevasi dan Output Data Tekanan dalam Aplikasi EPANET 2.0 ... 63 Tabel 5.11 Perbandingan data Tekanan dalam Aplikasi EPANET 2.0 dengan

Pengukuran Lapangan pada Titik Acuan ...................................... 64 Tabel 5.12 Perbandingan Output Data Pipa Jaringan Distribusi saat Evaluasi

dan Optimalisasi ............................................................................. 66 Tabel 5.13 Perbandingan Output Data Junction Jaringan Distribusi Evaluasi

dan Optimalisasi ............................................................................. 67 Tabel 6.1 Pipa yang akan diperbaiki untuk Optimalisasi Kinerja Jaringan

Distribusi ........................................................................................ 70