3
Drainage Diamètre Cold Water Hot Water Pression (mCE Nominal Flow l/s Diameter l/s l/s Presure Lavabo Wash Basin 0,50 50 0.1 0.1 5 Lavabos collectives (3 robinets) Collective Wash Basins (3 Faucets) 0,75 50 0.15 0.15 5 Lavabos collectives (6 robinets) Collective Wash Basins (6 Faucets) 1,00 50 0.3 0.3 5 Bidet Bidet 0,50 50 0.1 0.1 5 WC à reservoire de chasse WC with flush tank 2,50 110 0.1 5 WC à robinet de chasse WC with flush valve 2,50 110 1.5 15 WC à débitmètre WC with flowmeter 2,50 110 1.5 15 Baingoire Bath tub 1,00 50 0.2 0.2 5 Jaccouzi Jaccouzi 1,50 50 0.2 0.2 5 Douche Shower 0,50 50 0.15 0.15 5 Evier Sink 1,00 50 0.2 0.2 5 Lave-linge Washing Machine 1,20 50 0.1 5 Lave-vaisselle Dish washer 1,00 50 0.2 5 Urinoire Urinal 1,00 50 0.1 5 Urinoire à débit continue Urinal with continious flow 0,50 50 0.05 5 Siphon de sol DN 50 Floor drain DN 50 1,00 50 Siphon de sol DN 75 Floor drain DN 75 1,50 75 Siphon de sol DN 110 Floor drain DN 110 2,50 110 PEAK FLOW They are the anticipated maximum flow in the peek time of great use of the apparatuses and they are the flows in base to which dimensionate the nets of unloading go. Their value, that essentially depends from the type of use and from the sommatoria of the nominal courses, can be determined with the charts 2, 3, 4, or with the following formula derived by the DIN 1986: PF = F ·¥(CF) where: CF= FLOW of project l/s, F = Factor of contemporaneity that you/he/she can normally be considered equal to: –0,5 for residential buildings and offices; –0,7 for schools, hospitals, restaurants, community and similar; –1,2 for industries and laboratories. PF = PEAK FLOW (sum of the nominal courses that you/they unload in the trunk of net considered), l/s

Pipe Sizing U O B

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Page 1: Pipe Sizing  U O B

Drainage Diamètre Cold Water Hot Water Pression (mCENominal Flow l/s Diameter l/s l/s Presure

Lavabo Wash Basin 0,50 50 0.1 0.1 5Lavabos collectives (3 robinets) Collective Wash Basins (3 Faucets) 0,75 50 0.15 0.15 5Lavabos collectives (6 robinets) Collective Wash Basins (6 Faucets) 1,00 50 0.3 0.3 5Bidet Bidet 0,50 50 0.1 0.1 5WC à reservoire de chasse WC with flush tank 2,50 110 0.1 5WC à robinet de chasse WC with flush valve 2,50 110 1.5 15WC à débitmètre WC with flowmeter 2,50 110 1.5 15Baingoire Bath tub 1,00 50 0.2 0.2 5Jaccouzi Jaccouzi 1,50 50 0.2 0.2 5Douche Shower 0,50 50 0.15 0.15 5Evier Sink 1,00 50 0.2 0.2 5Lave-linge Washing Machine 1,20 50 0.1 5Lave-vaisselle Dish washer 1,00 50 0.2 5Urinoire Urinal 1,00 50 0.1 5Urinoire à débit continue Urinal with continious flow 0,50 50 0.05 5Siphon de sol DN 50 Floor drain DN 50 1,00 50Siphon de sol DN 75 Floor drain DN 75 1,50 75Siphon de sol DN 110 Floor drain DN 110 2,50 110

PEAK FLOWThey are the anticipated maximum flow in the peek time of great use of the apparatusesand they are the flows in base to which dimensionate the nets of unloading go.Their value, that essentially depends from the type of use and from the sommatoria of thenominal courses, can be determined with the charts 2, 3, 4, or with the followingformula derived by the DIN 1986:PF = F · (CF)where: CF= FLOW of project l/s,F = Factor of contemporaneity that you/he/she can normally be considered equal to:–0,5 for residential buildings and offices;–0,7 for schools, hospitals, restaurants, community and similar;–1,2 for industries and laboratories.PF = PEAK FLOW (sum of the nominal courses that you/they unload in the trunk of netconsidered), l/s

Page 2: Pipe Sizing  U O B

Debit Probable 28/01/2009

QUICK PIPE DIAMETER SELECTION 2008

1/2" 3/4" 1" 1"1/4 1"1/2 2" 2"1/2 3" 4" 5" 6"15 20 25 32 40 50 65 75 100 125 150

OD 21 26.4 33.2 41.9 47.8 59.6 75.2 87.9 113 138.5 163.9ID 16.4 21.8 27.4 36.1 42 53.2 68.8 80.7 105 129.5 154.9

Plumbing (l/s) 0.14 0.28 0.58 1 2 3.2 5.6 10.6 17.5 32 48Heating (kW) 4.35 9.3 17.5 35 53 100 200 315 640 1100 1800

OD 15 22 28 35 42 54 76 89 108ID 13 20 25 32 39 51 72.1 84.9 103

Plumbing (l/s) 0.1 0.22 0.5 0.83 1.8 3 6.7 11.4 16.7Heating (kW) 2.9 8.15 14.5 29 50 99 261 410 690

OD 20 25 32 40 50 63 75 90 110ID 15 20 26 33 42 51 60 73 90

Plumbing (l/s) 0.13 0.22 0.53 0.86 2.1 3 4.5 8.6 13.3Heating (kW) 3.75 8.15 16.25 32 60 100 157 270 470

OD 18 25 32 40 50 63 75 90 110ID 13 20 26 32.6 40.8 51.4 61.2 73.6 90

Plumbing (l/s) 0.1 0.22 0.56 0.83 2 3 4.6 8.6 13Heating (kW) 2.5 8.15 16.25 30 55 102.5 165 275 470

OD 20 25 32 40 50 63 75 90 110ID 13.2 16.6 21.2 26.6 33.4 42 50 60 73.4

Plumbing (l/s) 0.1 0.15 0.36 0.56 1.3 2.1 3 5.8 8.6Heating (kW) 2.6 4.8 9.3 17.5 32 58 96 160 275

OD 20 25 32 40 50 63 75 90 110 125 160ID 16 20.4 26 32.6 40.8 51.4 61.4 73.6 90 102.2 130.8

Plumbing (l/s) 0.14 0.24 0.56 0.83 2 3 4.5 8.6 13 17.2 27.2

PEX

PPR

PE PN16

DN

GALVANIZED

COPPER

MULTILAYER

By Wael Zmerly

Page 3: Pipe Sizing  U O B

SIZING OF DRAINAGE PIPES

DIAMETER STACK WITH WC STACK WITHOUT WC COLLECTOR75 --- 3 L/S 1.7 L/S

110 UP TO 16 WC 6.2 L/S 4.5 L/S125 MORE THEN 16 7 L/S 6.5 L/S160 14.5 L/S 13 L/S200 23.8 L/S250 43.2 L/S