Penentuan Ukuran Pipa berdasarkan Kerugian Gesek yang Diizinkan Reservoar RoofTank Gbr 3.61 Gbr 3.63 Gbr 3.63 Gbr. 3.63 Daerah Tabel 3.18 I II III IV V VI VII VIII IX X XI Lantai 5 Daerah l (m) l' (m) l+l' Sistem 1 A-B 325 450 75 45 1.8 8.5 8.13 16.63 748.35 65 80 B-C 65 210 65 23 1.7 2.5 3.63 6.13 140.99 50 76 35 170 50 44 1.4 1.82 0.6 2.42 106.48 ~ 176 30 155 50 40 1.3 0.81 0.6 1.41 56.4 ~ 140 25 140 50 28 1.2 3.1 2.7 5.8 162.4 40 90 23 137 50 26 1.1 0.99 0.6 1.59 41.34 40 92 21 134 50 23 1 3.64 2.7 6.34 145.82 40 95 16 126 50 21 1 0.65 2.7 3.35 70.35 40 97 14 123 50 19 0.9 1 0.6 1.6 30.4 40 99 9 110 40 58 1.4 0.21 0.45 0.66 38.28 ~ 58 7 85 40 45 1.2 1.21 0.45 1.66 74.7 ~ 128 5 80 40 39 1.1 1.17 0.45 1.62 63.18 30 140 Sistem 2 30 160 65 12 0.8 3.61 3.16 6.77 9.93 50 40 20 130 50 23 0.9 1.86 0.6 2.46 56.58 ~ 23 10 120 40 20 0.9 2.51 0.45 2.96 59.2 ~ 20 Beban UAP Laju aliran Ukuran Diameter pipa (mm) Ratio (mm air/m) Kecepatan (m/s) R (L+L') (mm air) Ukuran pipa perkecil (mm) R (mm/m) dengan R<43.66 (mm/m) C-a5 a5-b5 b5-c5 c5-d5 d5-e5 e5-f5 f5-g5 g5-h5 h5-i5 i5-j5 dengan R<24.31 (mm/m) C-k5 k5-l5 l5-m5
