2. Head Calculation
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Transcript of 2. Head Calculation
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 27/07/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Cooling Tower Make Up Pump HPS-01 Sizing SJNReference Calculations Output
Cooling Tower Make-Up Pump HPS-1Location: Basement (-9.53 level)Application: To pump water from HVAC Make UpTank(-9.53 level) to Cooling Tower at -2.0 level Pumps set : 3 pumps in one set, Three working ,each pump capacity is 40 m3/hr(1 Set is working 1 Set standby)- Static Head = 23 m- Residual Pressure = 10 m
ρ = 990 Kg/m³ @45° C
- Friction Losses:- ɡ = 9.8C = 150 For pipes
Nodes Distance- L (m) Flow Rate (gpm) Velocity-V(m/sec) Fittings* LE/fitting** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 - 2 150 174 529 1.88
11 E-90 53.57
270.54 182.23 49.30
2 TEE 18.283 G.V 6.390 E-45 01 C.V 18.3
49.30
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.
- Total Friction Losses in pipes and fittings = 49.30 Kpa = 0.49 Bar = 4.93 m'- Total Pump Head required = 23 + 10 + 4.93
= 37.93 m = 3.79 Bar= 37.93 M Say 38 mtr
Selected pump 40 m3/hr @ 50 mtr head is sufficient
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
Pipe Size-D(mm)
Total Length***
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 27/07/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Transfer Pump TR-3 Sizing SJNReference Calculations Output
Transfer Pump TR-3Location: Basement (-9.53 level)Application: To pump water from Break Water tank(-9.53 level) to HVAC Make up Tank(-9.53 level)
Pumps set :- Static Head = 7 m- Residual Pressure = 10 m
ρ = 990 Kg/m³ @45° C
- Friction Losses:- ɡ = 9.8C = 150 For pipes
Nodes Distance- L (m) Flow Rate (gpm) Velocity-V(m/sec) Fittings* LE/fitting** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 - 2 200 153 397 0.79
7 E-90 42.7
216.8 26.37 5.720 TEE 01 G.V 2.11 C.V 19
5.72
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.Pressure drop in Sand filter = 7psi = 5 mtr
- Total Friction Losses in pipes and fittings = 5.72 Kpa = 0.06 Bar = 0.57 m'- Total Pump Head required = 7 + 10 + 0.57 + 5
= 22.57 m 15 2.26 Bar= 22.57= 22.57 M Say 23 mtr
Selected pump is 30m3/hr @ 25 mtr head is sufficient
4 pumps, Three working and one standby,each pump capacity is 30 m3/hr
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
Pipe Size-D(mm)
Total Length***
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 27/07/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Transfer Pump TR-1 Sizing SJNReference Calculations Output
Transfer Pump TR-1Location: Basement (-9.53 level)Application: To pump water from Break Water tank(-9.53 level) to Potable & Fire Water Tank(-9.53 level)
Pumps set :- Static Head = 7 m- Residual Pressure = 10 m
ρ = 990 Kg/m³ @45° C
- Friction Losses:- ɡ = 9.8C = 150 For pipes
Nodes Distance- L (m) Flow Rate (gpm) Velocity-V(m/sec) Fittings* LE/fitting** Total Length*** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 - 2 150 61 397 1.41
3 E-90 18.3
109.6 107.09 11.741 TEE 9.21 G.V 2.11 C.V 19
11.74
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.Pressure drop in Sand filter = 7psi = 5 mtr
- Total Friction Losses in pipes and fittings = 11.74 Kpa = 0.12 Bar = 1.17 m'- Total Pump Head required = 7 + 10 + 1.17 + 5
= 23.17 m = 2.32 Bar= 23.17 Say 23.5 mtr=
Selected pump is 30m3/hr @ 25 mtr head is sufficient
4 pumps, Three working and one standby,each pump capacity is 30 m3/hr
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
Pipe Size-D(mm)
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 27/07/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Transfer Pump TR-2 Sizing SJNReference Calculations Output
Transfer Pump TR-2Location: Basement (-9.53 level)Application: To pump water from Break Water tank(-9.53 level) to HVAC Make up Tank(-9.53 level)
Pumps set :- Static Head = 7 m- Residual Pressure = 10 m
ρ = 990 Kg/m³ @45° C
- Friction Losses:- ɡ = 9.8C = 150 For pipes
Nodes Distance- L (m) Flow Rate (gpm) Velocity-V(m/sec) Fittings* LE/fitting** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 - 2 150 110 397 1.41
6 E-90 36.6
176.9 107.09 18.941 TEE 9.21 G.V 2.11 C.V 19
18.94
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.Pressure drop in Sand filter = 7psi = 5 mtr
- Total Friction Losses in pipes and fittings = 18.94 Kpa = 0.19 Bar = 1.89 m'- Total Pump Head required = 7 + 10 + 1.89 + 5
= 23.89 m = 2.39 Bar= 23.89 Say 24 mtr
Selected pump 30m3/hr @ 25 mtr head is sufficient
4 pumps, Three working and one standby,each pump capacity is 30 m3/hr
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
Pipe Size-D(mm)
Total Length***
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-3 Sizing SJNReference Calculations Output
Booster Pump BP-3Location: Basement at -9.53 Level Water Tank BuildingApplication: To pump water from basement to Residential building Pumps set : 3 pumps in one set are working each pump capacity is 20 m3/hr '@ 65 Mtr Head(1 Set is working 1 Set standby)- Static Head = 22.50 m- Residual Pressure = 10 hose bib at highest level(+12.2mtr)
water closet comes +8.7 level onwards to down, where avilable pressure is 19.5 psi, which is more than enough to operate the fliush valve of W.C
Total flow of three pumps = 60 m3/hr
= 264 gpm ρ = 1000 Kg/m³
ɡ = 9.8 C = 150 For copper pipes
Nodes Pipe Size(mm) Distance- L (m) Flow Rate (gpm) Velocity(m/sec) Fittings* LE/fitting** Total Length*** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
A -B 102.2 6.4 132 1.01
E-90 0
7.77 91.23 0.71TEE 0
1 G.V 1.37C.V 0
B-C 130.8 11.5 132 0.62
E-90 0
20.6 27.43 0.571 TEE 9.1
G.VC.V
C-D 130.8 19.5 264 1.23
E-90 0
39.8 99.02 3.942 TEE 18.21 G.V 2.1
C.V
D-E 130.8 1 176 0.82
E-90 0
10.1 46.73 0.471 TEE 9.1
G.VC.V
E-F 130.8 1 88 0.41
E-90 0
19.2 12.94 0.252 TEE 18.2
G.VC.V
F-G 102.2 2 88 0.67
E-90 0
16.93 43.06 0.73TEE 0
2 G.V 2.741 C.V 12.19
G-H 130.8 1 88 0.41
E-90 0
19.2 12.94 0.252 TEE 18.2
G.VC.V
H-I 130.8 1 176 0.82
E-90 0
10.1 46.73 0.471 TEE 9.1
G.VC.V
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-3 Sizing SJNReference Calculations Output
I-J 130.8 2 264 1.231 E-90 6.1
28.4 99.02 2.81
J-K 130.8 1 176 0.82
E-90 0
10.1 46.73 0.471 TEE 9.1
G.V
C.V
K-L 130.8 1 88 0.41
E-90 0
19.2 12.94 0.252 TEE 18.2
G.VC.V
L-M 102.2 2 88 0.67
E-90 0
4.74 43.06 0.20TEE 0
2 G.V 2.74C.V
M-N 130.8 1 88 0.41
E-90 0
10.1 12.94 0.131 TEE 9.1
G.VC.V
N-O 130.8 1 176 0.82
E-90 0
10.1 46.73 0.471 TEE 9.1
G.VC.V
O-P 130.8 2 264 1.23
E-90 0
20.2 99.02 2.002 TEE 18.2
G.VC.V
15 -14 130.8 775 264 1.23
27 E-90 132.3
936.8 99.02 92.761 TEE 9.11 G.V 2.11 C.V 18.3
14-13 130.8 173 264 1.23
4 E-90 19.6
201.7 99.02 19.971 TEE 9.1
G.VC.V
13 - 12 102.2 147 255 1.95
15 E-90 45.6
199 308.87 61.461 TEE 6.4
G.VC.V
12 - 11 102.2 9.7 255 1.95
4 E-90 12.16
28.26 308.87 8.731 TEE 6.4
G.V 0
C.V
11 - 10 73.6 22.1 155 2.29
3 E-90 6.9
33.6 607.89 20.431 TEE 4.6
G.V 0
C.V
10- 9 61.4 3 130 2.76
E-90
6.65 1061.08 7.061 TEE 3.65
G.V
C.V
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-3 Sizing SJNReference Calculations Output
9 - 8 61.4 2 124 2.63
E-90
5.65 972.17 5.491 TEE 3.65
G.VC.V
8 -7 61.4 6.5 112 2.38
E-90
10.15 805.15 8.171 TEE 3.65
G.V
C.V
7 -6 61.4 2 102 2.16
E-90
5.65 677.10 3.831 TEE 3.65
G.VC.V
6 - 5 61.4 6.5 94 1.99
E-90
10.15 582.04 5.911 TEE 3.65
G.VC.V
5 -4 61.4 2 84 1.78
E-90 0
5.65 472.59 2.671 TEE 3.65
G.V 0C.V
4- 3 61.4 6.5 74 1.57
E-90 0
10.15 373.72 3.791 TEE 3.65
G.V 0C.V
3- 2 40.8 1 29 1.39
E-90 0
4.04 482.76 1.951 TEE 3.04
G.V 0C.V
2- 1 20.4 12 3 0.58
2 E-90 1.2
13.48 211.50 2.85TEE 0
1 G.V 0.28C.V
258.79
- Total Friction Losses in pipes and fittings = 258.79 kpa = 25.88 mtr
Pressure drop in catridge filter = 2.54 mtr
Static Head = 22.50 mtr
Residual pressure = 10 mtr
Head avilable in the suction side due to to the height of water coumn in the tank = 3.5 mtr Catridge Filter SS-12 - three set being used for filteration
12 catridges in two layers inside the housing
Pressure drop (attached document) =0.042psi/gpm
- Total Pump Head required = 57.42 mtr Presure drop for 88 Gpm (one third of the total flow-264 gpm) =3.69psi= 2.54 mtr
Selected pump of 20m3/hr @ 65 mtr head is sufficient
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-3 Sizing SJNReference Calculations Output
Booster Pump BP-3Location: Basement at -9.53 Level Water Tank BuildingApplication: To pump water from basement to Residential building Pumps set : 3 pumps in one set are working each pump capacity is 20 m3/hr '@ 65 Mtr Head(1 Set is working 1 Set standby)- Static Head = 22.50 m- Residual Pressure = 10 m
ρ = 1000 Kg/m³- Friction Losses:- ɡ = 9.8
C = 150 For copper pipes
Nodes Pipe Size(mm) Distance- L (m) Flow Rate (gpm) Velocity(m/sec) Fittings* LE/fitting** Total Length*** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
A -B 100 4 132 1.06
E-90 0
5.37 101.44 0.54TEE 0
1 G.V 1.37C.V 0
B-C 150 11.5 132 0.47
E-90 0
20.6 14.08 0.291 TEE 9.1
G.VC.V
C-D 150 19.5 264 0.94
E-90 0
39.8 50.81 2.022 TEE 18.21 G.V 2.1
C.V
D-E 150 1 176 0.63
E-90 0
10.1 23.98 0.241 TEE 9.1
G.VC.V
E-F 150 1 88 0.31
E-90 0
19.2 6.64 0.132 TEE 18.2
G.VC.V
F-G 100 2 88 0.70
E-90 0
16.93 47.87 0.81TEE 0
2 G.V 2.741 C.V 12.19
G-H 150 1 88 0.31
E-90 0
19.2 6.64 0.132 TEE 18.2
G.VC.V
H-I 150 1 176 0.63
E-90 0
10.1 23.98 0.241 TEE 9.1
G.VC.V
I-J 150 2 264 0.94
1 E-90 6.1
28.4 50.81 1.442 TEE 18.21 G.V 2.1
C.V
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-3 Sizing SJNReference Calculations Output
J-K 150 1 176 0.63
E-90 0
10.1 23.98 0.241 TEE 9.1
G.V
C.V
K-L 150 1 88 0.31
E-90 0
19.2 6.64 0.132 TEE 18.2
G.VC.V
L-M 100 2 88 0.70
E-90 0
4.74 47.87 0.23TEE 0
2 G.V 2.74C.V
M-N 150 1 88 0.31
E-90 0
10.1 6.64 0.071 TEE 9.1
G.VC.V
N-O 150 1 176 0.63
E-90 0
10.1 23.98 0.241 TEE 9.1
G.VC.V
O-P 150 2 264 0.94
E-90 0
20.2 50.81 1.032 TEE 18.2
G.VC.V
15 -14 150 775 264 0.94
27 E-90 132.3
936.8 50.81 47.601 TEE 9.11 G.V 2.11 C.V 18.3
14-13 150 173 264 0.94
4 E-90 19.6
201.7 50.81 10.251 TEE 9.1
G.VC.V
13 - 12 100 147 255 2.04
15 E-90 45.6
199 343.40 68.341 TEE 6.4
G.VC.V
12 - 11 100 9.7 255 2.04
4 E-90 12.16
28.26 343.40 9.701 TEE 6.4
G.V 0
C.V
11 - 10 75 22.1 155 2.20
3 E-90 6.9
33.6 554.58 18.631 TEE 4.6
G.V 0
C.V
10- 9 65 3 130 2.46
E-90
6.65 803.92 5.351 TEE 3.65
G.V
C.V
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-3 Sizing SJNReference Calculations Output
9 - 8 65 2 124 2.35
E-90
5.65 736.56 4.161 TEE 3.65
G.VC.V
8 -7 65 6.5 112 2.12
E-90
10.15 610.02 6.191 TEE 3.65
G.V
C.V
7 -6 65 2 102 1.93
E-90
5.65 513.00 2.901 TEE 3.65
G.VC.V
6 - 5 65 6.5 94 1.78
E-90
10.15 440.98 4.481 TEE 3.65
G.VC.V
5 -4 65 2 84 1.59
E-90 0
5.65 358.06 2.021 TEE 3.65
G.V 0C.V
4- 3 65 6.5 74 1.40
E-90 0
10.15 283.14 2.871 TEE 3.65
G.V 0C.V
3- 2 40 1 29 1.45
E-90 0
4.04 531.64 2.151 TEE 3.04
G.V 0C.V
2- 1 20 12 3 0.60
2 E-90 1.2
13.48 232.92 3.14TEE 0
1 G.V 0.28C.V
195.57
* -The mentioned fitting are the fittings on this pipe segment.
- G.V: Gate Valve, E-90: ninety degree Elbow.
** - LE : Equivelent Length for each fitting.
- Total Length= LE+ Pipe Distance.
- Pressure drop in catridge filter = 7psi = 5 mtr
- Total Friction Losses in pipes and fittings = 195.57 Kpa = 1.96 Bar = 19.56 m
- Total Pump Head required = 22.50 + 10 + 19.56 + 5= 57.06 m = 5.71 Bar
Selected pump of 20m3/hr @ 65 mtr head is sufficient
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 17/9/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-4 TO BP-8 Sizing SJNReference Calculations Output
Booster Pump BP-4 TO BP-8 (TYPICAL)Location: Basement Application: To pump water from Tower 60 Level to 35 LevelPumps set : 2 pumps in one set are working ,each pump capacity is 29 m3/hr '@35 mtr Head(1 Set is working 1 Set standby)- Static Head = 5 m- Residual Pressure = 10 m
ρ = 1000 Kg/m³- Friction Losses:- ɡ = 9.8
C = 150 For pipes
Nodes Pipe Size(mm) Velocity(m/sec) Fittings* LE/fitting** Total Length*** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 - 2 100 1.5 256 2.05
E-90
21.47 345.90 7.431 TEE 6.4
1 G.V 1.381 C.V 12.19
2 -3 100 19 256 2.05
3 E-90 9.12
35.9 345.90 12.421 TEE 6.41 G.V 1.38
C.V
3 -4 25 2 5 0.64
E-90
4.52 202.31 0.911 TEE 1.521 G.V 1
C.V
4 - 5 20 6.5 4 0.80
E-90 0
7.71 396.82 3.061 TEE 1.21
G.V 0C.V
5 - 6 15 25 3 1.07
3 E-90 1.44
26.71 945.76 25.26TEE 0
1 G.V 0.27C.V
49.08
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.
Pressure drop in catridge filter = 7psi = 5 mtr- Total Friction Losses in pipes and fittings = 49.08 Kpa = 0.49 Bar = 4.91 m
'- Total Pump Head required = 5 + 10 + 4.91 + 5= 24.91 m = 2.49 Bar
Selected pump of 29m3/hr @ 35 mtr head is sufficient
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
Distance- L (m)
Flow Rate (gpm)
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEET
Project Name: JABER HOSPITAL Date: Job No.
Shelter Building 8/8/2011 05020
Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Booster Pump BP-1 & 2 Sizing SJN
Reference Calculations Output
Booster Pump BP-1 & BP-2Location: Basement Application: To pump water from basement to Shelter Area at -5.0 LevelPumps set : 2 pumps in one set each pump capacity is 17 m3/hr @45 mtr Head(One Working One Standby)- Static Head = 4.00 m- Residual Pressure = 15 m
ρ = 990 Kg/m@45° C
- Friction Losses:- ɡ = 9.8C = 150 For pipes
Nodes Pipe Size(mm) Distance- L (m) Flow Rate (gpm) Velocity(m/sec) Fittings* LE/fitting** Total Length*** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 -2 65 15 75 1.42
3 E-90 5.46
32.58 287.37 9.361 TEE 3.651 G.V 0.851 C.V 7.62
2 - 3 65 1 75 1.42
E-90
4.65 287.37 1.341 TEE 3.65
G.VC.V
3 -4 65 8.5 44 0.83
E-90 0
12.15 107.03 1.301 TEE 3.65
G.V 0C.V
4- 5 65 19.5 43 0.81
1 E-90 1.82
24.97 102.57 2.561 TEE 3.65
G.V 0C.V
5- 6 25 11.5 5 0.64
1 E-90 0.8
14.82 200.29 2.971 TEE 1.521 G.V 1
C.V
6- 7 25 3.6 4 0.51
2 E-90 1.6
6.2 132.49 0.82TEE 0
1 G.V 1C.V
18.35
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.Pressure drop in catridge filter = 7psi = 5 mtr
- Total Friction Losses in pipes and fittings = 18.35 Kpa = 0.18 Bar = 1.83 m
m/sec2
BMBJaber Hospital
PlumbingPumps Calculations
'- Total Pump Head required = 4.00 + 15 + 1.83 + 5= 25.83 m = 2.58 Bar
Selected pump of 17m3/hr @ 45 mtr head is sufficient
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEETProject Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 27/07/2011 090512Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Lifting Pump LPS-02 Sizing SJNReference Calculations Output
Liftingr PumpLPS-02Location: Basement (-9.53 level)Application: To pump water from Potable Water tank(-9.53 level) to GRP water Tank at Tower C,D& E(+60.0level)
Pumps set :- Static Head = 73 m- Residual Pressure = 10 m
ρ = 990 Kg/m³ @45° C
- Friction Losses:- ɡ = 9.8C = 150 For pipes
Nodes Distance- L (m) Flow Rate (gpm) Velocity-V(m/sec) Fittings* LE/fitting** Friction Losses(pa/mtr) Friction Losses in Pipe (Kpa)
1 - 2 100 754 225 1.80
30 E-90 91.44
868.41 306.38 266.06
1 TEE 6.44 G.V 1.372 E-45 3.21 C.V 12
266.06
* -The mentioned fitting are the fittings on this pipe segment.- G.V: Gate Valve, E-90: ninety degree Elbow.
** -LE : Equivelent Length for each fitting.- Total Length= LE+ Pipe Distance.Pressure drop in catridge filter = 7psi = 5 mtr
- Total Friction Losses in pipes and fittings = 266.06 Kpa = 2.66 Bar = 26.61 m'- Total Pump Head required = 73 + 10 + 26.61 = 5
= 114.61 m = 11.46 Bar= 114.61 Say 112 mtr=
Selected pump is 17m3/hr @ 113 mtr head is sufficient
3 pumps in one set, Three working ,each pump capacity is 22 m3/hr(1 Set is working 1 Set standby)
Pressure drop in straight pipe (Pa) = 6.819 x L x (V / C)1.852 x (1 / D)1.167 x ( r g)
m/sec2
Pipe Size-D(mm)
Total Length***
BMBJaber Hospital
PlumbingPumps Calculations
CALCULATION SHEET
Project Name: JABER HOSPITAL Date: Job No.
Main Hospital Building 4/9/2011 090512
Calculation Title: WATER SUPPLY SYSTEM Engineer: Sheet no:
Lifting Pump LPS-01 Sizing SJNReference Calculations Output
Lifting Pump LPS-01
Location: Basement at -9.53 Level Water Tank Building
Application: To pump water from Potable Water tank(-9.53 level) to GRP water Tank at Tower A& B(+60.0level)
Pumps set :- Static Head = 73.00 m- Residual Pressure = 4 m
- Friction Losses:-
Nodes Pipe Size(mm) Distance- L (m) Flow Rate (gpm) Velocity(m/sec) Fittings* LE/fitting** Friction Losses(kpa/ 100mtr) Friction Losses in Pipe (Kpa)
1 - 2 100 4 113 0.90
1 E-90 2.04
7.41 8.20 0.61TEE 0
1 G.V 1.37C.V 0
2- 3 150 6 113 0.60
E-90 0
15.14 2.30 0.351 TEE 9.14
G.VC.V
3 - 4 150 1.5 225 0.80
E-90
12.77 3.95 0.501 TEE 9.141 G.V 2.13
C.V
4 - 5 150 1 150 0.60
E-90 0
10.14 2.30 0.231 TEE 9.14
G.V 0C.V
5 - 6 150 1 75 0.60
E-90
10.14 2.30 0.231 TEE 9.14
G.V 0
C.V
6 - 7 100 2 75 0.65
E-90 0
16.93 3.85 0.65
TEE 0
2 G.V 2.74
1 C.V 12.19
7- 8 100 1 75 0.65
E-90
7.4 3.85 0.281 TEE 6.4
G.V
C.V
3 pumps in one set, Three working ,each pump capacity is 17 m3/hr(1 Set is working 1 Set standby)
Total Length***
BMBJaber Hospital
PlumbingPumps Calculations
8 - 9 100 1 150 1.20
E-90
7.4 14.00 1.041 TEE 6.4
G.V 0
C.V 0
9 -10 100 3 225 1.80
1 E-90 2.04
12.81 30.00 3.841 TEE 6.41 G.V 1.37
C.V 0
10 -11 100 1 225 1.80
E-90 0
7.4 30.00 2.221 TEE 6.4
G.V 0C.V 0
11 - 12 100 1 150 1.20
E-90
7.4 14.00 1.041 TEE 6.4
G.VC.V
12 - 13 100 1 75 0.65
E-90 0
7.4 3.85 0.281 TEE 6.4
G.V 0C.V
13 - 14 100 2 75 0.65
E-90 0
4.74 3.85 0.18TEE 0
2 G.V 2.74C.V
14 - 15 100 1 75 0.65
E-90 0
7.4 3.85 0.281 TEE 6.4
G.VC.V
15 - 16 100 1 150 1.20
E-90 0
7.4 14.00 1.041 TEE 6.4
G.V 0C.V
16 - 17 100 1 225 1.80
E-90 0
7.4 30.00 2.221 TEE 6.4
G.V 0C.V
17 - 18 100 748 225 1.80
35 E-90 71.4
831.28 30.00 249.381 TEE 6.44 G.V 5.48
C.V
18- 19 100 8.5 113 0.90
2 E-90 4.08
20.35 8.20 1.671 TEE 6.41 G.V 1.37
C.V- Total Length= LE+ Pipe Distance.
266.06Pressure drop in catridge filter = 7psi = 5 mtr= 266.06 Kpa = 2.66 Bar = 26.61 m
'- Total Pump Head required = 73.00 + 4 + 26.61 + 5- Total Friction Losses in pipes and fittings = 108.61 m = 10.86 Bar
= 108.61 mtrSelected pump of 17m3/hr @ 112 mtr head is sufficient