KAJIAN OPTIMALISASI DISTRIBUSI JARINGAN AIR BERSIH (STUDI KASUS PDAM DELTA TIRTA SIDOARJO UNIT IPA KRIAN)
Study on Water Distribution Network Optimization (A Case Study in the Sidoarjo Drinking Water Company of the Subdistric of Krian)
DOI:
https://doi.org/10.29303/spektrum.v5i1.130Keywords:
Eksisting, Jaringan distribusi, Optimalisasi jaringanAbstract
Hasil simulasi WaterNet jaringan eksisting dengan aliran berubah diketahui bahwa kinerja sistem jaringan tidak optimal yaitu masih terdapat aliran laminer pada pipa sebanyak 26 pipa dan sisa tekanan pada simpul pelayanan rendah yaitu 9,88 mH2O, seperti pada lokasi desa Sirapan, Kemangsen dan Jagalan. Optimalisasi jaringan eksisting dilakukan dengan metode memperbesar pipa yang berdiameter kecil dari node sub Jagalan ke node pelanggan, dan membangun tangki baru serta menaikkan elevasi tangki pada daerah pelayanan Perumtas III dimana pompa 2(dua) beroperasi. Pompa 2 yang beroperasi pada daerah pelayanan Perumtas III diatur debit dan headnya sesuai dengan daya tampung tangki baru. Setelah diadakan optimalisasi hasilnya lebih baik apabila dibandingkan dengan kondisi eksisting karena adanya penghematan operasional pompa rata-rata selama 14 jam dibanding dengan kondisi eksisting waktu operasional pompa 24 jam. Tekanan sisa pada node setelah optimalisasi menjadi lebih baik karena terjadi peningkatan tekanan di semua node meskipun sedikit yaitu 11.53 mH2O.
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