Sizing Calculation for Service Water Pumps. A. Calculation of Service Water Requirements :
Sl. No. 1 2 3 4 5
Description of the Water Requirement Consumers (US GPM) CT # 20 Evaporative Coolers 36 CT # 41 Evaporative Coolers 36 CT # 42 Evaporative Coolers 36 HRSG # 41 Blowdown Tank 4 HRSG # 42 Blowdown Tank 4
Cooling Tower 6 Emergency Make-up
Continuous Continuous Continuous Continuous Continuous
374 During Emergency
Before Starting of the 0 plant.
Service Water Fill to 7 CW & ACW piping. Service Water for HP Atmospheric Drain 8 Tank
9 Hose Station 10 Total
Operation
Pressure Drop in Design Pressure of the cooler (psi) the Coolers (psig)
During Starting 5 of the plant.
60 Intermittent 555
B. Calculation of Service water requirement for condensing steam during start-up in the HP Atmospheric Drain Tank for HP 1. Calculation of total HP & Seal Steam Pipe Weight
Sl. No. Description
Pipe thicness, Sch
Pipe Size (NB, inch)
Total length of Pipe, (ft)
Pipe unit weight, lb/ft
1 HP Steam pipe
8 XS
81.83
43.39
2 HP Steam pipe
4 XS
1.50
14.98
3 HP Steam pipe
6 XS
80.42
28.57
4 HP Steam pipe
4 XS
2.50
14.98
5 HP Steam pipe
2
1.08
7.46
6 HP Steam pipe
6 XS
176.67
28.57
7 HP Steam pipe
4 XS
3.58
14.98
8 HP Steam pipe 9 Total weight
2
1.08
7.46
160
160
Considering 30% 10 margin, Total weight 2. Calculation of amount of condensate formed during pipe warm-up
Total Weight of the Sl. No. pipe, Wp (lb)
HP Steam Pressure Specific heat of piping during warmmaterial, s (Btu/lb 0 F) up, P (psig)
HP Steam Pressure during Saturation temperature of warm-up, P (psia) Steam, t (0 F)
14333.00
1
0.144
480.422
495.12
466
3. Calculation of radiation loss condensate load
Total Length of the Pipe, L (ft)
Sl.no.
1 2 3 4 5 6 7 8 9 Total 10 Consider
81.83 1.50 80.42 2.50 1.08 176.67 3.58 1.08
External Area of the pipe, A (ft2) 0.41 0.11 0.24 0.11 0.03 0.24 0.11 0.03
Heat loss through pipe insulation , H (Btu/sq.ft.hr. 0 F) 0.286 0.286 0.286 0.286 0.286 0.286 0.286 0.286
Enthalpy of vaporisation of steam, hfg (Btu/lb)
Temperature difference , ∆t ( 0 F)
756.17 756.17 756.17 756.17 756.17 756.17 756.17 756.17
437.00 437.00 437.00 437.00 437.00 437.00 437.00 437.00
4. Calculation of the mass of the codensate while entering into the Atmospheric HP Drain Tank
Total amount of condensate flash in the Tank, lb/hr X= [W*(hf-hf1)]/(hg-hf1)
Sl. No 1
445.87
Saturation Total Condensate Flow Temperasture Enthalpy of Pressure inside the in the Atmospheric HP of condensate Satuation liquid, Atmospheric HP Flash Tank, W (lb/hr) , 0 F Flash Tank, psia hf (Btu/lb) 1601.00
466
448.37
14.00
5. Calculation of Service water requirement for cooling HP drain during star-up in the Atmosphric Drain Tank
Service water Service Water Condensate flow,W ( Condensate Enthalpy, temperature , Enthalpy, 0 lb/hr) hc (Btu/lb) ts ( F) hs(Btu/lb)
Sl No. 1
1155.13
177.71
60.00
Mixing Water 0 Temerature , tm ( F)
28.0596
140.00
2 Consider 25% margin 3 Let us consider 6. Selection of Service Water Pump's Parameters Sl. No. Description Total Service Water requirement for 1 complete Plant Considering 10% margin to take of wear & tear as per 2 DBR
Unit
Data
US GPM
555
US GPM
610.5
Consider 2X50% Pumps, the capacity 3 of each pump.
US GPM
305
Selected capacity of 4 each Pump
US GPM
300
7. Calculation of Frictional Head (OLD)
SL. No. Description
Main Service Water 1 Header Main Service Water 2 Header 3 Branch
Pipe Size (NB, Inch)
Pipe OD (inch)
Pipe Thickness (inch)
Pipe ID (inch)
6
6.625
0.28
6.065
4 2.5
4.5 2.875
0.237 0.203
4.026 2.469
Individual pipe connected to 4 evaporative cooler 5 Total
1
1.315
0.179
Calculation of head loss through 6" pipe from TP to Service Water Tank SL.
Description 1 Total length of pipe Margin considered for equivalent length of 2 fitting Total length of pipe considering 20% 3 margin 4 Total flow 5 Head loss Total Head Loss through piping and fitting considering 20% margin Terminal Point Elevation Plant Elevation at Service water Tank
Unit ft
%
ft gpm ft/100ft
Data
Remarks 1500
20
1800 600 2.33
ft
50.328
ft
5909
ft
5936
Difference in Elevation ft Service Water Tank inlet nozzle height from ground ft Total Static head from TP to Service water inlet nozzle ft
27
25 Assumed
52
0.957
Total head loss for friction and static height Sp. Gravity of water Total Pressure loss Terminal Point Pressure Residual Pressure Pressure available at Service Water Tank inlet Static height at potable water TP Total head loss at potable water TP due to friction and static height Pressure loss at Potable Water TP Pressure available at Potable Water TP
ft lbm/ft3 psig
102.328 62.341 44
psig psig
85 -125 76 So the pipe size 32 6" is acceptable
ft
27
ft
77
psig
33
psig
43
8. Calculation of Pump Head Sl. No
1 2 2 3 4
Description Frictional head through piping and fitting Considering 20% margin Static Head TDH of the pump Selected Pump TDH
Unit
Data
ft of water column
57.47 Ref cal
ft of water column ft of water column ft of water column ft of water column
68.96 7.5 Assumed. 76.46 80
9. Selection of Service Water Pumps SL No. Description 1 Nos. of Pumps Capactity of each 2 Pump, US GPM 3 TDH of the Pump
Remarks
Data 2X50% 300 80
10.0 Selection of the KW rating of the Service Water Pump Motor Sl. No 1 2 3 4 5 6
7 9 8 9
Description Pump Capacity Pump Head Sp.gravity of water Efficiency of pump Motor efficiency Pump BHP Considering 15% margin, Pump shaft input power Selected Pump input power Motor input power Selected Motor input Power
Unit US GPM ft of WC
Data
% % HP
300 80 1 75 90 8.67
HP
9.97
HP HP
10.0 11.1
HP
15
Flow through pipe SL No. Description Service Water Tank 1 Filling Line Individual Header to 2 Pump Suction Individual Header to 3 Pump Discharge Common discharge 4 header Header for HP Atmospheric Head Tank and service 5 water hose 6 HP Head Tank
Recommended Velocity 3
ft /sec
USGPM
m/sec
ft/sec
600.000
1.337
2.500
8.202
300.000
0.668
1.800
5.906
300
0.668
3.00
9.843
600
1.337
3.00
9.843
65
0.145
3.00
9.843
5
0.011
3.00
9.843
Common Header for combined Cycle , Simple Cycle Plant and Cooling Tower 7 Plant Area Header to Cooling 8 Tower Area Cooling Tower 9 Emergency Make-up Header to Simple and 10 Combined Cycle Plant Combined Cycle Plant 11 # 41 Service Water to Blow 12 down Tank # 41
13
14 15
16
13
Header for Evaporative Cooler for Module B of unit # 41 Header for Combined Cycle Plant # 42 & Simple Cycle Plant # 20 Blow down header from Simple Cycle Blow down header from Simple Cycle # 20 and combined Cycle # 41 Blow down header from Simple Cycle # 20 and combined Cycle # 41 & 42
14 Recirculation line Outlet of HP Atmospheric Drain 15 Tank
600
1.337
3.00
9.843
484
1.078
3.00
9.843
374
0.833
3.00
9.843
193.6
0.431
3.00
9.843
110
0.245
3.00
9.843
4
0.009
3.00
9.843
18
0.040
3.00
9.843
149.6
0.333
3.00
9.843
11
0.025
1.00
3.281
22
0.049
1.00
3.281
33
0.074
1.00
3.281
184
0.410
3.00
9.843
8.05
0.018
1.00
3.281
7. Calculation of Frictional Head (Revised Design Condition)
SL. No. Description
Individual Pump 1 Discharge Pump Common Service Water Discharge 2 Header Header in STG 3 Building Individual pipe connected to HP Atmospheric Drain 4 Tank Common Header for combined Cycle , Simple Cycle Plant and Cooling Tower 5 Plant Area Common Header for 6 CT make-up
Pipe Size (NB, Inch)
Pipe OD (inch)
Pipe Thickness (inch)
Pipe ID (inch)
4
4.5
0.237
4.026
6
6.625
0.28
6.065
2
2.375
0.218
1.939
1
1.315
0.179
0.957
6
6.625
0.28
6.065
6
6.625
0.28
6.065
4
4.5
0.237
4.026
3
3.5
0.216
3.068
Header for Combined 9 Cycle Plant #41
3
3.5
0.216
3.068
Header to Evaporative 10 Cooler # 41
2
2.375
0.218
1.939
1
1.315
0.179
0.957
3 3 2
3.5 3.5 2.375
0.216 0.216 0.218
3.068 3.068 1.939
7 Header to CT make-up Common Header for combined Cycle & Simple Cycle Plant 8 Area
11 12 13 14
Header to Evaporative Cooler B # 41 Header for CTG # 42 & 20 Header for CTG # 20 Header for CTG # 20
Header to Evaporative 15 Cooler B # 20
1
1.315
0.179
0.957
Pump Minimum flow 16 recircualtion line
3
3.5
0.216
3.068
6
6.625
0.28
6.065
6
6.625
0.28
6.065
Common header for 17 recirculation line Pipe Line from City Water TP to Service 18 Water Tank inlet
Calculation of "K" factor for Orifice Ratio of Orifice Diameter to Pipe Flow Coefficient "C" Sl.No. Diameter "β"
Orifice "K" = (1β^2)/(C^2*β^4 ) Remarks β is assumed as 0.5 and flow 0.62 31.22 is turbulent
0.5
1
Calculation of Pressure drop through 1 inch 100 mesh Y Strainer Sl. No. Description
Unit
1 Pressure drop
psi
2 Density of Water 3 Pressure drop
lbm/ft3 ft of WC
Data
Remarks From Manufacturer's 1.56 Catalog From Steam 0 62.0585 Table at 95 F 3.62
Calculation of Pump TDH at Design Condition Sl. No
Description
Unit
Friction Loss from Pump Discharge upto Evaporative Cooler 1 Module RH # 20 ft of WC Considering 20% 2 margin, Friction loss 3 Static Head 4 TDH
ft of WC ft of WC ft of WC
Data
89.40
96.55 7.50 104.05
5 TDH (Selected)
ft of WC
110.00
Calculation of Control Valve Parameters A. Control Valve : TCV-43150-01 : Service Water Supply Line to HP Atmospheric Drain Tank
Sl. No
Description Unit Friction Loss from Pump Discharge upto Upstream of Control valve of HP Atmospheric Drain 1 Tank ft of WC Considering 20% 2 margin, Friction loss Static Head 3 Considered Total Head loss at upstream control 4 valve
5 6
7
8 9
10
Pressure Head Available at upstream of control Valve Density of Water at 0 95 F Pressure available at upstream of control Valve Consider velocity through the sparger pipe Velocity head Pressure required at downstream of Control Valve
Data 5 gpm
Minimum Flow 0 Maximum Flow 10 gpm gpm
46.48
45.93
48.12
ft of WC
55.77
55.11
57.74
ft of WC
7.50
7.50
7.50
ft of WC
63.27
62.61
65.24
ft of WC
46.73
47.39
44.76
62.0585
62.0585
62.0585
psig
20.14
20.42
19.29
ft/sec ft of WC
50.00 38.82
50.00 38.82
50.00 38.82
psig
16.73
16.73
16.73
lbm/ft
3
Selection of Control Valve : TCV-43150-01 : Service Water Supply Line to HP Atmospheric Drain Tank Sl.No
Description 1 Flow rate 2 Inlet Pressure
Unit gpm psig
Data
Flow 0 gpm 5.00 20.14
0.00 20.42
Flow 10 gpm 10 19.29
3 Oulet Pressure
psig
16.73
16.73
16.73
B. Control Valve LCV 43601-01 at Tank Outlet
1
2 3 4 5
6 7
Total condensate flow into the tank Temperature of condensate and water mixture Density of Water at 0 140 F Volume flow rate of condensate Volume flow rate of condensate Taking 30% margin Volume flow rate of condensate Total flow of water and condensate
lb/hr
0
1155.13
F
140.00
lbm/ft3
61.3757
ft3/hr
18.82
gpm
2.35
gpm
3.05
gpm
8.05
Calculation of Velocity through the out let pipe of HP Atmospheric Drain Tank Hydraulic Radius, R (ft) R for circular pipe = (CrossPerimeter of sectional Cross-sectional Pipe, P (ft) Area/Wetted area of Pipe, A considering half Perimeter) =A/P % of Pipe filled with (ft2) filled of water =(ID/4) SL.No. water Value of factor "n" 1 50 0.015 0.017 0.323 0.051
Selection of Control Valve : LCV-43601-01 : Out let of HP Atmospheric Drain Tank
Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data
minimum flow 0 gpm maximum flow 8.05 0.00 3.00 3.00 0.00 0.00
15 3 0
C. Control Valve LCV-00151-01 at Cooling Tower Emergency Make up.
Sl. No
Description
Unit
Minimum Flow Maximum Flow 0 gpm 569*1.1= 625.9
Data
Friction Loss from Pump Discharge upto Upstream of Control valve of HP Cooling Tower Emergency 1 Make-up ft of WC
57.20
39.84
80.01
Considering 20% 2 margin, Friction loss
ft of WC
68.64
47.81
96.01
ft of WC
7.50
7.50
7.50
ft of WC
76.14
55.31
103.51
33.86
54.69
6.49
62.0585
62.0585
62.0585
14.59
23.57
2.79
Static Head 3 Considered Total Head loss at upstream control 4 valve
Pressure Head Available at upstream 5 of control Valve ft of WC Density of Water at 0 lbm/ft3 6 95 F Pressure available at upstream of control 7 Valve psig
Selection of Control Valve : LCV-0051-01 : At Cooling Tower Emergency Make-up
Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data
Minimum Flow 0 Maximum Flow gpm 625.9 625.9 411.40 0.00 14.59 23.57 2.79 0.00 0.00 0.00
Selection of Control Valve : FCV-001114-02 : At Service Water Mininum Flow Recirculation Line
Sl. No
Description
Unit
Data, Flow , 184 gpm max
Friction Loss from Pump Discharge upto Upstream of Control valve of minimum 1 flow recirculation line ft of WC Considering 20% 2 margin, Friction loss Static Head 3 Considered Total Head loss at upstream control 4 valve
flow , minimum flow operating 54.9 0 gpm gpm
26.98
9.21
10.79
ft of WC
32.38
11.05
12.95
ft of WC
20.00
20.00
20.00
ft of WC
52.38
31.05
32.95
57.62
78.95
77.05
62.0585
62.0585
62.0585
24.83
34.02
33.20
Pressure Head Available at upstream 5 of control Valve ft of WC Density of Water at 0 lbm/ft3 6 95 F Pressure available at upstream of control 7 Valve psig
Selection of Control Valve : FCV-001114-02 : At Service Water Mininum Flow Recirculation Line
Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data Max Flow Minimum Flow Operating Flow 184.00 0.00 54.90 24.83 34.02 33.20 0.00 0.00 0.00
Selection of Motor operated Valve : MOV-00103-0 : At Service Water Tank inlet Sl. No
Description
Unit
Data
Friction Loss from Pump Discharge upto Upstream of Control valve of minimum 1 flow recirculation line ft of WC
2 3 4 5
6
7
Considering 20% margin, Friction loss Terminal Point Elevation Plant Elevation at Service water Tank Difference in Elevation Service Water Tank inlet nozzle height from ground Total Static head from TP to Service water inlet nozzle Total head loss for friction and static height Sp. Gravity of water Total Pressure loss Terminal Point Pressure Residual Pressure Pressure available at Service Water Tank inlet Static height at potable water TP Total head loss at potable water TP due to friction and static height Pressure loss at Potable Water TP Pressure available at Potable Water TP
40.27
ft of WC
48.33
ft
5909
ft
5936
ft
27
ft
25
ft
52
ft 3 lbm/ft psig psig psig
100.33 62.341 43 85 -125 76 So the pipe size 33 6" is acceptable
ft
27
ft
75
psig
33
psig
43
Remark Ref. Water Balance Diagram Ref. Water Balance Diagram Ref. Water Balance Diagram Ref. Water Balance Diagram Ref. Water Balance Diagram
Ref. Water Balance Diagram Not considered, since the requirement is for filling up the CW & ACW piping before starting of the
Considering 3/4" hose , Terminal Pressure 100 psig and two (2) hoses will be operated at a time.
ospheric Drain Tank for HP Steam.
Total weight of pipe , lb
OD of pipe , inch
3550.75
8.625
22.47
4.5
2297.50
6.625
37.45
4.5
8.08
2.375
5047.37
6.625
53.68
4.5
8.08 11025.39
2.375
14333.00
Enthalpy of vaporisation of steam, hfg (Btu/lb)
Crosssectional Area of the 2 Pipe, ft Remarks Ref: ISO - HP 0.41 Steam Ref: ISO - HP 0.11 Steam Ref: ISO - HP 0.24 Steam Ref: ISO - HP 0.11 Steam Ref: ISO - HP 0.03 Steam Ref: ISO - HP 0.24 Steam Ref: ISO - HP 0.11 Steam Ref: ISO - HP 0.03 Steam 1.28 30% margin is considered to take care of fittings and Seal Steam Piping
Ambient winter average dry bulb Warm-up temperature , ta (0 time, N F) (min)
Total condensate Enthalpy of during warm- vaporization of up, C ,lb/hr steam at 210 psig saturation =(60* Wp)*(∆t)*s/( pressure, hfg210 (Btu/lb) hfg *N)
Enthalpy of vaporization of steam at 840 psig saturation pressure, hfg840 (Btu/lb)
756.17
The radiation loss condensate load, Cr , lb/hr= (L)*(A)* (∆t)*(H)/hw 5.4879 0.0274 3.1818 0.0456 0.0055 6.9901 0.0654 0.0055 15.81
Enthalpy of steam at Saturation Pressure 14 psia, hg(Btu/lb)
c Drain Tank
1149.567
29
Consider 30% margin the radiation loss condensate load (lb/hr)
20.55
Enthalpy of condensate at Saturation Pressure 14 psia, hf1(Btu/lb) 177.71
45.00
Total Condesate produce during warming up operation by convection
1600.65 1601.00
1590.38
833.7254
678.6156
Mixing Water Enthalpy, hm(Btu/lb) 107.9498
Pipe Legth (ft)
Service Water Flow Ws (lb/hr) = [W*(hc-hm)]/(hmhs) 1008.68
Service water density, ds(lb/ft3)
Service Water Flow 3 Ws (ft /hr)
62.37
Friction Factor for Pipe Line, Pipe, fT "K"
Service Water Flow Ws (gpm) Remarks
16.17
2.02
Margin is considered because service water shall also be injected in the inlet manifold before 2.52 the condensate 5
Gate Valve, K = 8*fT
NRV, K=100fT
Nos.
Nos.
K
500.00
0.015
14.839
1
0.12
1
650.00 5.00
0.017 0.018
32.936 0.437
0 0.00
0.136 0.144
0 0
5.00
0.023
1.442
0.00
0.184
0
Calculated Pipe ID, ft
Selected Pipe Thicness, inch
Selected Calculated Pipe ID, PipeOD, inch inch
Selected Pipe ID, inch
Actual Velocity, ft/sec
0.456
5.466
6.625
0.28
6.065
6.663
0.380
4.555
6.625
0.28
6.065
3.332
0.294
3.529
4.5
0.237
4.026
7.561
0.416
4.990
6.625
0.28
6.065
6.663
0.137
1.642
2.375
0.218
1.939
7.062
0.038
0.456
1.315
0.179
0.957
2.230
0.416
4.990
6.625
0.28
6.065
6.663
0.373
4.482
6.625
0.28
6.065
5.375
0.328
3.940
4.5
0.237
4.026
9.426
0.236
2.835
3.5
0.216
3.068
8.402
0.178
2.137
2.875
0.203
2.469
7.371
0.034
0.407
1.9
0.200
1.500
0.726
0.072
0.864
1.315
0.179
0.957
8.029
0.208
2.492
3.500
0.22
3.068
6.492
0.10
1.170
2.375
0.218
1.939
1.195
0.14
1.655
2.375
0.218
1.939
2.390
0.17
2.027
3.500
0.216
3.068
1.432
0.23
2.763
3.500
0.216
3.068
7.985
0.08
1.001
2.875
0.203
2.469
0.539
Pipe Legth (ft)
Friction Factor for Pipe Line, Pipe, fT "K"
Gate Valve, K = 8*fT
NRV, K=100fT
Nos.
Nos.
K
20.00
0.017
1.013
0
0.136
1
370.00
0.015
10.981
0
0.12
0
80.00
0.019
9.407
0.00
0.152
0
15.00
0.023
4.326
0.00
0.184
0
150.00
0.015
4.452
0.00
0.12
0
530.00
0.015
15.730
0.00
0.12
0
80.00
0.017
4.054
0.00
0.136
0
100.00
0.018
7.040
0.00
0.144
0
260.00
0.018
18.305
0.00
0.144
0
10.00
0.019
1.176
0.00
0.152
0
10.00
0.023
2.884
1.00
0.184
0
100.00 520.00 10.00
0.018 0.018 0.019
7.040 36.610 1.176
0.00 0.00 0.00
0.144 0.144 0.152
0 0 0
10.00
0.023
2.884
1.00
0.184
0
158.00
0.018
11.124
1.00
0.144
0
100.00
0.015
2.968
0.00
0.12
0
1500.00
0.015
44.518
2.00
0.12
2
nk
Velocity of Flow Slope, S (ft/Sec), Velocity (Dimension Less) V=(1.0/n)*(R^(2/3) head, ft of Static Height, 1:48 *(S^1/2) WC ft (assumed) 0.021 1.331 0.03 7.000
Total head Density of avaiable at Water at 140 0F, upstream of valve, ft WC lbm/ft3 7.03 61.3757
Remarks
Ref. HRSG Start-up Curve, Steam Table. Warmup time is assumed since the decision is that no Startup curve for
Globe Valve, K=340fT
K=100fT K
Nos.
K
900 Bend, K= 450 Bends, Tee , Line, 30fT K= 16fT K=20fT
Tee , Branch , K=60fT
Nos. K
Nos.
Nos. K
Nos. K
1.50
0
5.1
2
0.45
0
0.24
2
0.3
0
1.70 1.80
0 0
5.78 6.12
6 0
0.51 0.54
0 0
0.27 0.29
3 1
0.34 0.30
0 1
2.30
0
7.82
0
0.69
0
0.29
0
0.36
0
Selected Whether Pipe Size , Actual NB, inch & Velocity Pipe "acceptable" Schedule
Acceptable Acceptable Acceptable Acceptable
Acceptable Acceptable
6inch, Sch : Std 6inch, Sch : Std 4inch, Sch : Std 6inch, Sch : Std
2inch, Sch : 80 1inch, Sch : 80
Remar ks
Acceptable
6inch, Sch : Std 6inch, Sch : Std
Acceptable
4inch, Sch : Std
Acceptable
Acceptable
2.5 inch, Sch : Std 3inch, Sch : Std
Acceptable
1.5 inch, Sch : 80
Acceptable
1.0 inch, Sch : 80
Acceptable
Acceptable
3inch, Sch : Std 2 inch, Sch : 80
Acceptable
2 inch, Sch : 80
Acceptable
Acceptable
3inch, Sch : 40 3inch, Sch : 40
Acceptable
2.5 inch, Sch : 40
Acceptable
Globe Valve, K=340fT
K=100fT
K
Nos.
K
Butterfly Valve, K= 45 fT
900 Bend, K= 450 Bends, Tee , Line, 30fT K= 16fT K=20fT
Tee , Branch , K=60fT
Nos.
Nos. K
Nos.
K
Nos. K
Nos. K
1.70
0
5.78
1 0.765
2
0.51
0
0.27
1
0.340
0
1.50
0
5.1
0 0.675
1
0.45
0
0.24
1
0.300
0
1.90
0
6.46
0 0.855
0
0.57
0
0.3
1
0.380
0
2.30
0
7.82
0 1.035
4
0.69
0
0.37
0
0.460
0
1.50
0
5.1
0 0.675
4
0.45
0
0.24
1
0.30
0
1.50
0
5.1
0 0.675
2
0.45
0
0.24
1
0.30
0
1.70
0
5.78
1 0.765
4
0.51
0
0.27
1
0.34
0
1.80
0
6.12
0
0.81
2
0.54
0
0.29
1
0.36
0
1.80
0
6.12
0
0.81
4
0.54
0
0.29
0
0.36
1
1.90
0
6.46
0 0.855
4
0.57
0
0.3
0
0.38
1
2.30
1
7.82
0 1.035
4
0.69
0
0.37
0
0.46
1
1.80 1.80 1.90
0 0 0
6.12 6.12 6.46
0 0.81 0 0.81 0 0.855
2 4 4
0.54 0.54 0.57
0 0 0
0.29 0.29 0.3
1 0 0
0.36 0.36 0.38
0 1 1
2.30
1
7.82
0 1.035
4
0.69
0
0.37
0
0.46
1
1.80
0
6.12
0
0.81
6
0.54
0
0.29
1
0.36
1
1.50
0
5.1
0 0.675
4
0.45
0
0.24
1
0.30
0
1.50
0
5.1
1 0.675
16
0.45
4
0.24
2
0.30
1
Total head avaiable at upstream of valve, psig 3.00
Tee , Branch , K=60fT
Reducer
K
Expander
β =d1/d2
Nos. K
β =d1/d2
Nos. K
K for Exit Loss Total "K"
Flow, USGPM
0.9
1
0.882
0.664
0
1.603
0.664
0
18.84
274.5
1.02 1.08
0 1
1.350 1.350
0.613 0.613
0 0
2.738 2.738
0.613 0.613
0 0
37.02 3.17
333 36
1.38
1
11.526
0.388
0
31.831
0.388
1
13.97
18
Tee , Branch , K=60fT
Reducer
K
Expander
β =d1/d2
Nos. K
K for flow element K for Exit Loss Total "K"
β =d1/d2
Nos. K
Flow, USGPM
1.02
0
0.882
0.664
1
1.603
0.664
0.000
0
6.44
300
0.9
0
26.310
0.320
0
76.767
0.320
31.217
0
42.95
600
1.14
1
3.903
0.494
0
76.767
0.320
0.000
0
13.69
65
1.38
0
3.903
0.494
0
9.594
0.494
0.000
0
7.09
5
0.9
0
0.882
0.664
0
1.603
0.664
0.000
0
6.55
600
0.9
1
0.882
0.664
0
1.603
0.664
0.000
0
20.41
411.4
1.02
0
0.381
0.762
0
0.519
0.762
31.217
0
6.43
411.4
1.08
1
3.479
0.506
0
8.414
0.506
0.000
0
9.63
188.6
1.08
1
1.152
0.632
0
0.519
0.762
0.000
0
22.04
105.6
1.14
1
3.903
0.494
0
9.594
0.494
0.000
0
5.09
39.6
1.38
0
3.903
0.494
0
9.594
0.494
0.000
1
16.03
19.8
1.08 1.08 1.14
0 1 1
1.152 1.152 3.903
0.632 0.632 0.494
0 0 0
2.249 2.249 9.594
0.632 0.632 0.494
0.000 0.000 0.000
0 0 0
8.48 40.34 5.09
149 105.6 39.6
1.38
0
3.903
0.494
0
9.594
0.494
0.000
1
16.03
19.8
1.08
1
3.479
0.506
0
8.414
0.506
0.000
1
17.95
184
0.9
0
0.000
1.000
0
0.802
3.128
0.000
0
5.07
600
0.9
1
0.882
0.664
0
0.946
6.338
31.217
1
58.42
600
Flow, ft3/sec
Head loss through the Velocity of piping and fittings, hf ,ft flow, v (ft/sec) =[Kt *
0.612
3.05
2.72
0.742 0.080
8.39 2.41
40.48 0.29
0.040
8.03
13.98 57.47
Flow, ft3/sec
Head loss through the piping and Velocity of fittings, hf ,ft =[Kt * flow, v (ft/sec) v2/(2*g)]
0.668
7.56
5.72
1.337
6.66
29.61
0.145
7.06
10.60
0.011
2.23
0.55
1.337
6.66
4.52
0.917
4.57
6.61
0.917
10.37
10.74
0.420
8.19
10.02
0.235
4.58
7.19
0.088
4.30
1.46
0.044
8.83
19.41
0.332 0.235 0.088
6.47 4.58 4.30
5.51 13.16 1.46
0.044
8.83
19.41
0.410
7.99
17.77
1.337
6.66
3.49
1.337
6.66
40.27
Sizing Calculation for DM Water Transfer Pumps A. Calculation of DM Water Requirements :
Description of the Consumers
Sl. No.
Make-up to condenser 1 vacuum pumps Power Cycle Normal Make-up (Condenser 2 Normal Make-up) Power Cycle Emergency Make-up (Condenser 3 Emergency Make-up)
4 5 6 7 8
Water Supply to Auxilaiary Skid for CTG Wash Water System Water Supply to Sprint for CTG # 41 Water Supply to Sprint for CTG # 42 Water Supply to Sprint for CTG # 20 Total Continuos requirement
Water Requirem ent (US GPM) Operation
Pressure Drop in the cooler (psi)
Design Pressure of the Coolers (psig)
Intermittent (During initial 10 start
10 Continuous
260 Intermittent
0 Intermittent 41 Continuous 41 Continuous 41 Continuous 133
65
Total Intermittent 9 requirement
270
8 Total
403
(1) Calculation of Pump Capacity Sl No.
Description Total Service Water 1 requirement Cconsidering 10% 2 margin Consider 3X50% Pumps, the capacity of each 3 Pump Let us selected the 4 capacity of each pump
Unit
Data
US GPM
403
US GPM
443.3
US GPM
221.65
US GPM
220
7. Calculation of Frictional Head considering emergency make -up (Alternative -1)
SL. No.
Description
Pipe Pipe Size Pipe OD (inch) Thickness Pipe ID (inch) (NB, Inch) (inch)
1 Individual header 2 Main Header
4 6
4.5 6.625
0.237 0.28
4.026 6.065
3 Header to STG building Header to codenser 4 emergency make up 5 Total Head loss
4
4.5
0.237
4.026
4
4.5
0.237
4.026
8. Calculation of Frictional Head considering sprint for unit #20 (Alternative -2)
SL. No.
Description
1 Individual header 2 Main Header
Pipe Pipe Size Pipe OD (inch) Thickness Pipe ID (inch) (NB, Inch) (inch) 4 6
4.5 6.625
0.237 0.28
4.026 6.065
Header to Sprint for 3 Unit # 41,42 & 20 Header to Sprint for 5 Unit # ,42 & 20 Header to Sprint for 6 Unit # , 20 7 Total
3
3.5
0.216
3.068
3
3.5
0.216
3.068
2
2.375
0.218
1.939
9. Selection of Pump Head Sl. No
Description Frictional head 1 (Alternative - 2) Considering 20 % margin , the frictional 2 head Terminal Pressure at 3 Sprint
Unit
0 4 Density of water at 60 F Terminal Pressure at 5 Sprint Static Head 6 (considered) 7 Total Head 8 Let us consider TDH
lbm/ft3
Data
ft of W.C.
52.20
ft of W.C.
62.64
psig
5 62.3707
ft of W.C.
11.54
ft of W.C. ft of W.C. ft of W.C.
7.5 81.69 90
0 3 9 Density of water at 80 F lbm/ft 9 Let us consider TDH psig Let us consider TDH psig 10 Selection of DM Water Pumps
Sl. No
62.2203 38.89 40
Description Data 1 No. of Pumps 3X50% Capacity of each Pump, 2 US GPM TDH of the Pump, ft of 3 W.C.
220 90
10.0 Selection of the KW rating of the Pump Motor Sl. No
Description 1 Pump Capacity
Unit US GPM
Data 220
2 3 4 5 6
8 9 10 11
SL No. 1 2 3 4
Pump Head Sp.gravity of water Efficiency of pump Motor efficiency Pump BHP Considering 15% margin, Pump shaft input power Selected Pump input power Motor input power Selected Motor input Power
Description Pump Suction Common Header Individual Header to Pump Suction Individual Header to Pump Discharge Pump Discharge Common Header
Pump Recirculation 5 Header
ft of WC % % HP
90 1 75 90 7.15
HP
8.2
HP HP
9.0 10.0
HP
10
Flow through pipe 3 ft /sec USGPM
Recommended Velocity m/sec
ft/sec
440.000
0.980
1.800
5.906
220.000
0.490
1.800
5.906
220.000
0.490
3.000
9.843
440.000
0.980
3.000
9.843
87.00
0.194
3.000
9.843
Header to STG Buiding for condenser normal/emergency make-up, ccw head tank make-up, condenser vacuum pump make-up 6 & initial sealing of CEP Condenser emergency 7 make-up header Condenser normal make8 up Make-up to condenser 9 vacuum pump
10 11
12
13
Header for Combined cycle Plants # 41, 42 and Simple Cycle Plant Individual header to combined cycle plant Header for combined cycle unit # 42 & Simple Cycle Plant DM water return Header for unit # 41, 42 & 20
290
0.646
3.00
9.843
260
0.579
3.00
9.843
10
0.022
3.00
9.843
36
0.080
3.00
9.843
123
0.274
3.00
9.843
41
0.091
3.00
9.843
82
0.183
3.00
9.843
33
0.074
3.00
9.843
11. Calculation of Frictional Head (Revised Design Condition)
SL. No.
Description
Individual Pump 1 Discharge Pump Common Discharge 2 Header 3 Header to STG Building
Pipe Pipe Size Pipe OD (inch) Thickness Pipe ID (inch) (NB, Inch) (inch)
4
4.5
0.237
4.026
6
6.625
0.28
6.065
6
6.625
0.28
6.065
3 Header in STG Building Condenser normal make4 up header
5
5
6
7
8
9 10 11
12
13
Condenser emergency make-up header Common Header for combined Cycle , Simple Cycle Plant Common Header for Combined Cycle Plants # 41 & 42 Common Header for Sprint and Water Wash System # 41 Header for Sprint and Water Wash System # 42 Header for Sprint and Water Wash System # 20 Minimum Flow recirculation line Return sprint header # 20 Return sprint header to Storage Tank from unit # 20 Return sprint header to Storage Tank from unit # 20, 41 & 42
Determination of Pump Head Sl. No Description 1 Frictional head Considering 20 % margin , the frictional 2 head Terminal Pressure at 3 Sprint
4
4.5
0.237
4.026
2
2.375
0.218
1.939
4
4.5
0.237
4.026
3
3.5
0.216
3.068
3
3.5
0.216
3.068
2
2.375
0.218
1.939
2
2.375
0.218
1.939
2
2.375
0.218
1.939
2.5
2.875
0.203
2.469
1
1.315
0.179
0.957
2
2.375
0.218
1.939
2
2.375
0.218
1.939
Unit Data ft of W.C.
46.45
ft of W.C.
55.74
psig
0 3 4 Density of water at 80 F lbm/ft Terminal Pressure at 5 Sprint ft of W.C.
5 62.23 11.57
6 7 8 9 10
Static Head (considered) Total Head Let us consider TDH Let us consider TDH Let us consider TDH
ft of W.C. ft of W.C. ft of W.C. psig psig
7.5 74.81 90 38.89 40
(A) Selection of Minimum Flow Recirculation Valve FCV-00109-01
Sl. No
Description
Unit
Maximum Minimum Flow. 100 Flow 53.4 =1.2*87
Data
Friction Loss from Pump Discharge upto Upstream of Control valve of minimum flow 1 recirculation line ft of WC Considering 20% 2 margin, Friction loss ft of WC
23.32
19.78
25.139394
27.98
23.74
30.17
3 Static Head Considered ft of WC
7.50
7.5
7.5
Total Head loss at 4 upstream control valve ft of WC
35.48
31.24
37.67
54.52
58.76
52.33
62.2203
62.2203
62.2203
23.56
25.39
22.61
Pressure Head Available at upstream of control 5 Valve ft of WC 0 Density of Water at 80 lbm/ft3 6F Pressure available at upstream of control 7 Valve psig
Selection of Control Valve : FCV-00109-01 : Minimum Flow Recirculation Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data 87.00 23.56 0.00
53.40 25.39 0.00
100 22.61 0
(B) Selection of Control Valve LCV-43004-01 : Condenser Normal Make-up Control Valve Selection of Condenser Normal Make-up Control ValveValve : LCV-43004-01
Sl. No
Description Unit Friction Loss from Pump Discharge upto Upstream of Control valve of Condenser 1 Normal Make-up Line ft of WC Considering 20% 2 margin, Friction loss ft of WC
at 13 GPM Flow (1.30% of operating At 0 flow flow
Data
26.82 26.74759
26.87113
32.18
32.10
32.25
3 Static Head Considered ft of WC
7.50
7.50
7.50
Total Head loss at 4 upstream control valve ft of WC
39.68
39.60
39.75
50.32
50.40
50.25
62.2203
62.2203
62.2203
21.74
21.78
21.71
Pressure Head Available at upstream of control 5 Valve ft of WC 0 Density of Water at 80 lbm/ft3 6F Pressure available at upstream of control 7 Valve psig
Selection of Condenser Normal Make-up Control ValveValve : LCV-43004-01 Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data 10.00 21.74 0.00
0.00 21.78 0.00
13 21.71 0
(C) Selection Pressure Reducing Valve PRV-41004-01
Sl. No
Description Unit Friction Loss from Pump Discharge upto Upstream of PRV of 1 Sprint # 41 ft of WC Considering 20% 2 margin, Friction loss ft of WC
Flow 11gpm
Data
Flow 49 gpm
41.66 31.45165 46.3723441 49.99
37.74
55.65
3 Static Head Considered ft of WC
7.50
7.50
7.50
Total Head loss at 4 upstream control valve ft of WC
57.49
45.24
63.15
Pressure Head Available at upstream of control 5 Valve ft of WC
32.51
44.76
26.85
62.2203
62.2203
62.2203
14.05
19.34
11.60
41.00 14.05 2 to 5
11.00 19.34 2 to 5
49 11.60 2 to 5
Density of Water at 80 6F Pressure available at upstream of control 7 Valve
0
lbm/ft3
psig
Selection Pressure Reducing Valve PRV-41004-01 Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data
(D) Selection Pressure Reducing Valve PRV-42004-01 Sl. No
Description Unit Friction Loss from Pump Discharge upto Upstream of PRV of 1 Sprint # 42 ft of WC Considering 20% 2 margin, Friction loss ft of WC
Data
11 gpm
49 gpm
38.05 31.19164 41.2128803 45.66
37.43
3 Static Head Considered ft of WC
7.50
7.50
Total Head loss at 4 upstream control valve ft of WC
53.16
44.93
49.46
36.84
45.07
40.54
62.2203
62.2203
62.2203
15.92
19.47
17.52
Pressure Head Available at upstream of control 5 Valve ft of WC 0 Density of Water at 80 lbm/ft3 6F Pressure available at upstream of control 7 Valve psig
49.46
Selection Pressure Reducing Valve PRV-42004-01 Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data 41.00 15.92 2 to 5
11.00 19.47 2 to 5
49 17.52 2 to 5
(E) Selection Pressure Reducing Valve PRV-20004-01 Sl. No
Description Unit Friction Loss from Pump Discharge upto Upstream of PRV of 1 Sprint # 20 ft of WC Considering 20% 2 margin, Friction loss ft of WC
Data
11 gpm
46.45
49 gpm
29.8551 54.1132246
55.74
35.83
64.94
3 Static Head Considered ft of WC
7.50
7.50
7.50
Total Head loss at 4 upstream control valve ft of WC
63.24
43.33
72.44
26.76
46.67
17.56
62.2203
62.2203
62.2203
11.56
20.17
7.59
41.00 11.56 2 to 5
11.00 20.17 2 to 5
49 7.59 2 to 5
Pressure Head Available at upstream of control 5 Valve ft of WC 0 Density of Water at 80 3 lbm/ft 6F Pressure available at upstream of control 7 Valve psig Selection Pressure Reducing Valve PRV-20004-01 Sl.No
Description 1 Flow rate 2 Inlet Pressure 3 Oulet Pressure
Unit gpm psig psig
Data
Calculation of "K" factor for Orifice Ratio of Orifice Diameter to Pipe Diameter "β"
Sl.No.
1
Orifice "K" = Flow (1Coefficien β^2)/(C^2*β^4 t "C" ) Remarks β is assumed as 0.5 and flow is 0.5 0.62 31.22 turbulent
Calculation of Pressure drop through 1 inch 100 mesh Y Strainer Sl. No.
Description
Unit
1 Pressure drop
psi
2 Density of Water 3 Pressure drop
lbm/ft3 ft of WC
Data
Remarks From Manufactu rer's 1.56 Catalog From Steam Table at 95 0 62.0585 F 3.62
Remark Ref. Unique System Vendor drawing no. 101095-PFDS and the requirement of Seal Water is 18 GPM per Pump. However , as advised by SD& BKM dated 03.11.13 the requirement is revised as 10 GPM for two (2) Pumps. Ref. Water Balance Diagram
Ref. Mom. January 23,2013
Ref : GE drawing no. 7246329-571262. The wash water requirement is 4-5 GPM for On-line & 5-8 GPM for Off-line Wash. However , However , as advised by SD& BKM dated 03.11.13 the requirement is revised as 0 GPM.
-1)
Friction Factor for Pipe, fT
Pipe Legth (ft)
Butterfly Valve, K = Pipe Line, 45*fT "K" Nos.
K
NRV, K=100fT
Globe Valve, K=340fT
Nos.
Nos.
K
10.00 550.00
0.017 0.015
0.507 16.323
1 2
0.765 0.12
1 0
1.70 1.50
0 0
75.00
0.017
3.800
2.00
0.765
0
1.70
0
20.00
0.017
1.013
3.00
0.136
0
1.70
0
Friction Factor for Pipe, fT
Pipe Legth (ft)
10.00 550.00
Pipe Line, Butterfly Valve, K = 45*fT NRV, K=100fT "K" Nos. K Nos. K 0.017 0.507 1 0.765 1 0.015 16.323 2 0.12 0
Globe Valve, K=340fT Nos. 1.70 1.50
0 0
200.00
0.018
14.081
0
0.144
0
1.80
0
100
0.018
7.040
0
0.144
0
1.80
0
350.00
0.019
41.155
2
0.152
0
1.90
1
Calculated Pipe ID, ft
Selected Calculated PipeOD, Pipe ID, inch inch
Selected Pipe Selected Thicness, Pipe ID, inch inch
Actual Velocity, ft/sec
Whether Actual Velocity "acceptable"
Selected Pipe Size , NB, inch & Pipe Schedule
0.460
5.517
6.625
0.28
6.065
4.886 Acceptable
0.325
3.901
4.5
0.237
4.026
5.545 Acceptable
0.252
3.022
4.500
0.237
4.026
5.545 Acceptable
0.356
4.273
6.625
0.28
6.065
4.886 Acceptable
6inch, Sch : Std 4 inch, Sch : Std 4 inch, Sch : Std 6inch, Sch : Std
0.158
1.900
0.203
2.469
5.830 Acceptable
2.5 inch, Sch : 40
2.875
0.289
3.469
4.5
0.237
4.026
7.309 Acceptable
4 inch, Sch : Std
0.274
3.285
4.5
0.237
4.026
6.553 Acceptable
0.054
0.644
2.375
0.218
1.939
1.087 Acceptable
4nch, Sch : Std 2nch, Sch : 80 2nch, Sch : 80
0.102
1.222
0.188
2.259
0.109
1.304
0.154
1.845
0.098
1.170
Friction Factor for Pipe, fT
Pipe Legth (ft)
0.218
1.939
3.911 Acceptable
3.5
0.216
3.068
5.338 Acceptable
2.375
0.218
1.939
4.455 Acceptable
3nch, Sch : 40 2nch, Sch : 80
0.203
2.469
5.495 Acceptable
2.5 inch, Sch : 40
0.218
1.939
3.585 Acceptable
2nch, Sch : 80
2.375
2.875
2.375
Pipe Line, Gate Valve, K = 8*fT "K" Nos. K
NRV, K=100fT
Globe Valve, K=340fT
Nos.
Nos.
K
10.00
0.017
0.507
0
0.136
1
1.70
0
160.00
0.015
4.749
0
0.12
0
1.50
0
360.00
0.015
10.684
0
0.12
0
1.50
0
20.00
0.017
1.013
0.00
0.136
0
1.70
0
10.00
0.019
1.176
1.00
0.152
0
1.90
0
10.00
0.017
0.507
0.00
0.136
0
1.70
1
200.00
0.018
14.081
0.00
0.144
0
1.80
0
70.00
0.018
4.928
0.00
0.144
0
1.80
0
270.00
0.019
31.748
1.00
0.152
0
1.90
0
180.00
0.019
21.166
1.00
0.152
0
1.90
0
460.00
0.019
54.090
1.00
0.152
0
1.90
0
90.00
0.018
7.874
1.00
0.144
0
1.80
0
10.00
0.023
2.884
0.00
0.184
0
2.30
0
460.00
0.019
54.090
0.00
0.152
0
1.90
0
280.00
0.019
32.924
1.00
0.152
0
1.90
0
ontrol Valve
0
Globe Valve, K=340fT
K
0
90 Bend, K= 30fT
45 Bends, K= 16fT
Tee , Line, K=20fT
Tee , Branch , K=60fT
Nos.
Nos.
Nos.
Nos.
K
K
K
K
5.78 5.1
2 4
0.51 0.45
0 0
0.272 0.24
0 2
0.34 0.3
0 1
1.02 0.9
5.78
2
0.51
0
0.272
1
0.34
0
1.02
5.78
2
0.51
0
0.272
2
0.34
0
1.02
0
Globe Valve, K=340fT K 5.78 5.1
0
90 Bend, K= 30fT
45 Bends, K= 16fT
Tee , Line, K=20fT
Tee , Branch , K=60fT
Nos.
Nos.
Nos.
Nos.
K 2 4
0.51 0.45
K 0 0
0.272 0.24
K 0 2
0.34 0.3
K 0 1
1.02 0.9
6.12
2
0.54
0
0.288
1
0.36
0
1.08
6.12
0
0.54
0
0.288
1
0.36
0
1.08
6.46
4
0.57
0
0.304
0
0.38
0
1.14
Remarks
It is assumed that worst case is one pump operaties with continuous demand.
10.0 USGPM is considered for CCW Head Tank Make-up and initial sealing of CEP.
Globe Valve, K=340fT K
Butterfly Valve, K= 45 fT 900 Bend, K= 30fT
450 Bends, K= 16fT
Tee , Line, K=20fT
Nos.
Nos.
Nos.
K
Nos.
K
K
K
5.78
1
0.765
2
0.51
0
0.272
1
0.340
5.1
1
0.675
4
0.45
0
0.24
2
0.300
5.1
0
0.675
4
0.45
0
0.24
1
0.300
5.78
0
0.765
4
0.51
0
0.272
5
0.340
6.46
0
0.855
4
0.57
0
0.304
1
0.380
5.78
0
0.765
4
0.51
0
0.272
1
0.340
6.12
0
0.81
6
0.54
2
0.288
1
0.36
6.12
0
0.81
2
0.54
0
0.288
1
0.36
6.46
0
0.855
4
0.57
0
0.304
1
0.38
6.46
0
0.855
4
0.57
0
0.304
1
0.38
6.46
0
0.855
6
0.57
0
0.304
1
0.38
6.12
0
0.81
2
0.54
2
0.288
0
0.36
7.82
0
1.035
2
0.69
0
0.368
1
0.46
6.46
0
0.855
6
0.57
0
0.304
1
0.38
6.46
0
0.855
4
0.57
1
0.304
1
0.38
Reducer
Nos.
Expander
β =d1/d2
K
Nos.
β =d1/d2
K
K for Exit Loss
Flow Meter,K
Total "K"
0 1
0.882 0.882
0.664 0.664
1 0
1.603 1.603
0.664 0.664
0 0
0 30
5.60 50.75
0
0.882
0.664
0
1.603
0.664
0
0
6.69
0
0.882
0.664
0
1.603
0.664
1
0
4.12
Reducer Nos.
β =d1/d2
K 0 1
Expander
0.882 0.882
0.664 0.664
Nos.
β =d1/d2
K 1 0
1.603 1.603
0.664 0.664
K for Exit Loss
Flow Meter,K 0 0
0 30
Total "K" 5.60 50.75
1
3.479
0.506
0
8.414
0.506
0
0
19.00
1
1.152
0.632
0
2.249
0.632
0
0
8.55
0
1.152
0.632
0
2.249
0.632
0
30
80.20
Reducer
Tee , Branch , K=60fT Nos.
K
Nos.
Expander β =d1/d2
K
K for flow element
Nos.
β =d1/d2
K
0
1.02
0
0.882
0.664
1
1.603
0.664
0.000
1
0.9
0
0.000
1.000
0
0.000
1.000
31.217
0
0.9
1
0.882
0.664
0
1.603
0.664
0.000
0
1.02
1
4.370
0.482
0
10.909
0.482
0.000
0
1.14
0
4.370
0.482
0
10.909
0.482
0.000
1
1.02
0
4.370
0.482
0
0.482
0.000
1
1.08
1
3.479
0.506
0
0.482
0.000
1
1.08
0
0.381
0.762
0
0.482
0.000
1
1.14
1
1.152
0.632
0
2.249
0.632
0.000
0
1.14
1
1.152
0.632
0
2.249
0.632
0.000
0
1.14
1
1.152
0.632
0
2.249
0.632
31.217
1
1.08
1
9.300
0.407
0
25.216
0.407
0.000
0
1.38
0
3.903
0.494
1
9.594
0.494
0.000
0
1.14
0
0.308
0.785
0
0.384
0.785
0.000
0
1.14
0
0.494
0
9.594
0.494
0.000
10.909
Flow, USGPM
Flow, 3 ft /sec
Velocity of flow, v (ft/sec)
Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)]
198 396
0.441 0.882
4.99 4.40
2.16 15.24
280
0.624
7.06
5.17
260
0.579
6.55
2.75 25.32
Flow, USGPM 198 396
Flow, ft3/sec 0.441 0.882
Velocity of flow, v (ft/sec) 4.99 4.40
Head loss through the piping and fittings, hf ,ft =[Kt * v2/(2*g)] 2.16 15.24
123
0.274
5.34
8.41
82
0.183
3.56
1.68
41
0.091
4.45
24.71 52.20
K for Exit Loss
Total "K"
Flow, USGPM
Head loss through the Velocity of piping and fittings, hf ,ft =[Kt flow, v (ft/sec) * v2/(2*g)]
Flow, ft3/sec
0
5.94
220
0.490
5.54
2.83
0
39.94
440
0.980
4.89
14.81
0
13.67
280
0.624
3.11
2.05
0
9.12
280
0.624
7.06
7.05
0
3.99
10
0.022
1.09
0.07
0
9.69
260
0.579
6.55
6.46
0
19.34
139
0.310
6.03
10.93
0
7.45
98
0.218
4.25
2.09
0
35.70
41
0.091
4.45
11.00
0
23.98
41
0.091
4.45
7.39
0
58.04
41
0.091
4.45
17.89
0
10.75
87.00
0.194
5.83
5.68
0
14.32
11
0.025
4.91
5.35
0
57.89
11
0.025
1.20
1.28
1
37.04
33
0.074
3.59
7.39
Calculation of Sewer Pump Sizing :
A. Selection of Pump Capacity SL. No.
Description As per Water Balance Diagram , the total sewer water during peak summer 1 operation Minimum Sewer Pump 2 discharge pipe size , NB Flow through 4 inch steel pipe with head loss 0.179 ft 3 per 100 ft No. of water cosumption points in the plant in respect of Showers, WC, 4 Urinal,LAV and Sink Maximum water consumption per man per 5 day
Unit
Data
USGPM inch
Drawing No. SRW-M-001003, Rev. B : Water 50 Balance Diagram 4 Wygen 2, Unit 4
US GPM
Refer Cameron 50 Hydraulic Data.
Nos.
14
US Gallon
Considering all the toilets are used simultaneously , the total water discharged from all the consumption 6 points US GPM 7 Capacity of Pump US GPM Taking 10% margin, the 8 capacity of the pump Selected Capacity of the 9 Pump Velocity of flow through 10 pipe
Reference
250
2.43 50
US GPM
55
US GPM
60
ft/sec
1.51
2. Calculation of Frictional Head considering sprint for unit #20 (Alternative -2)
SL. No.
Description
Pipe Size (NB, Pipe OD (inch) Inch)
Pipe Thickness (inch)
Pipe ID (inch)
1 Individual header 2 Main Header 3 Total
4 4
4.5 4.5
0.237 0.237
3. Selection of Pump Head Sl. No
Description 1 Frictional head
Unit ft of W.C.
Data
Considering 20 % margin , 2 the frictional head
ft of W.C.
1.22
3 Static Head (considered) 4 Total Head 5 Let us consider TDH
ft of W.C. ft of W.C. ft of W.C.
10 11.22 20.00
1.01
Sewer Sump & Pumps in Sewer Lift Station SL .No
Description 1 Total nos of Sewer Pump 2 Capacity of each pump 3 Total Discharge Head
Unit
Data
No. US GPM ft of W.C.
2X100% 60 20 Vertical Submersible
4 Type
Calculation of Minimum Sump volume (Sewer Lift) Sl. No
Description 1 Pumping Rate, Qp
Unit US GPM
2 Inflow Rate, Qf
US GPM
50.00 Calculated
US gallon Nos/hour
The Hydraulic Design of Pump Sump and Intakes 83.33 : By M.J. Prosser 6
US GPM
50.00
Volume , V = (T*Qf)*(Qp3 Qf)/Qp 4 Time between the start Net flow when not 5 pumping, , Qf
Data
Remarks 60 Calculated
4.026 4.026
Net flow when pumping, , 6 (Qp-Qf)
US GPM
10.00
7 Time taken to fill , t1 = V/Qf Min
1.67
Time taken to empty, t2 8 =V/(Qp-Qf)
8.33
Min
Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp9 Qf)] Mins Sump Volume considered, 10 V US gallon Sump Volume considered, 3 ft 11 V 12 Sump Volume selected, V
ft
10 85 11.36
3
12
Selection of Sump Size Sl. No
Description Required Volume of the 1 sump 2 Sump Length offered
Unit
3 Sump Length considered
inch
3 Sump Length considered
ft
4 Sump Width offered Sump Width considered 5 Sump Width considered 6 Sump depth Sump depth required to accommodate the vertical 7 pump only 8 Sump depth Required
inch inch ft ft
Data
ft3 inch
Remark 12 Calculated 36.625 Flow Serve Offer 66 5.50 Flow Serve Offer Flow Serve Offer for two 65.375 pumps 78 6.50 0.34
ft ft
1.76 Flow Serve Offer 2.67
Selected Sump Size Sl. No
Description 1 Length 2 Width Depth (from bottom of 3 Drain pipe)
Unit inch inch
4 Grade Elevation
ft-inch
inch
Data
Remark 66 78 As discussed with Mr. Bijan , Mr. Arman & 32 Banida on 05.21.2013 As confired by Mr. 99.33 Armen. 99'-4"
C.L. Elevation of the 5 Sewage Pipe 6 Pipe OD 7 Depth (From Grade)
As confired by Mr. 92 Armen 8 122
ft inch inch
Calculation of Water Levels in the Sump Sl. No
Description Unit 1 Pump capacity USGPM Low Level Height from the 2 bottom of the sump inch Considering operation of pump between Mid Level 3 and high level Height of the Mid level 4 from low level Height of the Mid level 5 from low level considered
Remark 60
Mins
7.75 Flow Serve Offer Operation time is selected based on the advise of Banida on 5 05/21/2013
ft
1.12
inch
Height of High Level from 6 Mid Level
inch
Height of High Level from 7 drain pipe BOP
inch
9 Total height of the sump Total height of the sump 10 considered Total height of the sump considered Volume between mid level 11 and low level Volume between mid level 12 and low level
Data
13 Operation time is selected based on the advise of Banida on 5.00 05/21/2013 Operation time is selected based on the advise of Banida on 6.00 05/21/2013
inch
32.21
inch
32
ft
2.67
ft3
40.11 300.02 So the sump sizing is O.K
US GPM
Selection of Sump Sl. No
Description 1 Grade Elevation C.L. Elevation of the 2 Sewage Pipe
Unit ft ft
Data
Remark 99.67 92
Sump Depth from bottom 3 of drain pipe
ft
2.67
Butterfly Valve, K = Friction 45*fT Pipe Legth Pipe Line, Factor for (ft) "K" Pipe, fT Nos. K
NRV, K=100fT
Globe Valve, K=340fT
Nos.
Nos.
K
K
10.00 550.00
0.017 0.017
0.507 27.869
1 0
0.765 0.136
1 0
1.70 1.70
0 0
5.78 5.78
900 Bend, K= 30fT
450 Bends, K= 16fT
Tee , Line, K=20fT
Tee , Branch , K=60fT
Nos.
Nos.
Nos.
Nos.
K
K
K
K
Reducer
Nos.
2 4
0.51 0.51
0 0
0.272 0.272
1 0
0.34 0.34
0 0
1.02 1.02
0 0
Reducer
K
Expander
β =d1/d2
Nos.
K
β =d1/d2
K for Exit Loss
Flow Meter,K
Total "K"
Flow, USGPM
0.000 0.000
1.000 1.000
0 0
0.000 0.000
1.000 1.000
0 1
0 0
4.33 30.91
54 54
Flow, ft3/sec
Head loss through Velocity of the piping flow, v and (ft/sec) fittings, hf Remarks
0.120 0.120
1.36 1.36
It is assumed that the Sewer Lift Pump will discharge in to WWC 0.12 Mixing Pit. 0.89 1.01
Calculation of Permanently Installed Blodown Pump Sizing :
A. Selection of Pump Capacity SL. No. Description
Unit
Data
As per Water Balance Diagram , the total HRSG CBD/IBD blowdown during 1 peak summer operation US GPM Considering that the blowdown sump will have 2 storage minutes The storage capacity of 3 blowdown sump US Gallon
Drawing No. SRW-M-001003, Rev. B : Water 9 Balance Diagram As recommended by Mr. 30 B.K.M 270
Interval of blowdown sump 4 pump operation minutes Capacity of Blowdown 5 Sump Pump Taking 10% margin, the 6 capacity of the pump
Reference
As recommended by Mr. 15 B.K.M
US GPM
18
US GPM
19.8
Selected Capacity of the 9 Pump
US GPM
25
Actual operation of pump 10 to evacute the sump
minutes
B. Selection of Pipe Size SL. No. Description Unit 1 Total water flow US GPM Consider minimum pipe size 2 as inch 3 Velocity of flow
ft/sec
10.8 Selection is o.k.
Data
Reference 25 2 Ref: Camereron Hydraulic 2.83 Data
2. Calculation of Frictional Head
SL. No.
Description
Pipe Size Pipe OD (inch) Pipe Thickness (inch) (NB, Inch)
Pipe ID (inch)
1 Individual header 2 Main Header 3 Total
2 2
0.218 0.218
2.375 2.375
3. Selection of Pump Head Sl. No
Description 1 Frictional head Considering 20 % margin , 2 the frictional head
3 Static Head (considered) 7 Total Head 8 Let us consider TDH
Unit Data ft of W.C.
Remarks 11.82
ft of W.C.
14.19
ft of W.C. ft of W.C. ft of W.C.
REF.SPX Clarfication. The head required at riser isolation valve end is 22.3 ft. However, the discharge of the pump shall be terminated to 10 cooling tower basin 24.19 30.00
HRSG Blowdown Sump & Sump Pumps per unit
SL .No
Description Total nos of Blowdown 1 sump pump per unit 2 Capacity of each pump 3 Total Discharge Head 4 Type
Unit
Data
No. 2X100% US GPM 25 ft of W.C. 30.00 Vertical wet pit type
Calculation of Minimum Sump volume (HRSG Blow down Area) Sl. No
Description 1 Pumping Rate, Qp
Unit US GPM
Data
2 Inflow Rate, Qf
US GPM
9.00
Volume , V = (T*Qf)*(Qp3 Qf)/Qp 4 Time between the start
US gallon Nos/hour
57.60 6
25
1.939 1.939
Net flow when not 5 pumping, , Qf
US GPM
9.00
Net flow when pumping, , 6 (Qp-Qf)
US GPM
16.00
7 Time taken to fill , t1 = V/Qf Min
6.40
Time taken to empty, t2 8 =V/(Qp-Qf)
3.60
Min
Time for complete cycle , T =(t1+t2) =(V*Qp)/[Qf*(Qp9 Qf)] Mins
10
10 Sump Volume considered, V US gallon
60
3 11 Sump Volume considered, V ft
8.02
ft3
10
12 Sump Volume selected, V Selection of Sump Size Sl. No 1 2 3 4 5 6 7 8
9 10
Description Required Volume of the sump Sump Length offered Sump Length considered Sump Length considered Sump Width offered Sump Width considered Sump Width considered Sump depth Sump depth required to accommodate the vertical pump only Sump depth considered
Unit
Data
Remark
ft3 inch inch ft inch inch ft ft
10 Calculated 62 Flow Serve Offer 72 6.00 42 Flow Serve Offer 48 4 0.42
ft ft
1.33 Flow Serve Offer 3.5
Selected Sump Size Sl. No
Description 1 Length 2 Width 3 Depth
Unit inch inch inch
Calculation of Water Levels in the Sump
Data
Remark 72 As discussed with Mr. 48 Bijan , Mr. Arman & 36 Banida on 05.21.2013
Sl. No
Description 1 Pump capacity Low Level Height from the 2 bottom of the sump Considering operation of pump between Mid Level 3 and high level Height of the Mid level 4 from low level
5 6 7 9 10 10 11
Height of the Mid level from low level considered Height of High Level from Mid Level Height of High Level from Grade Level Total height of the sump Total height of the sump considered Volume between low level and mid level Volume between low level and mid level
Unit USGPM inch
Mins
Data
Remark 25 16 Flow Serve Offer Operation time is 5 discussed with Banida
ft
0.70
inch
8.36
inch
4.18
inch inch
6.00 35
inch
36
ft3 US Gallon
16.71 125.01 Sump Size is O.K
Butterfly Valve, K = Friction Pipe Legth Pipe Line, 45*f Factor for T (ft) "K" Nos. K Pipe, fT
NRV, K=100fT
Globe Valve, K=340fT
Nos.
Nos.
K
K
10.00 900.00
0.019 0.017
1.176 94.688
1 0
0.855 0.136
1 0
1.90 1.70
0 0
6.46 5.78
900 Bend, K= 30fT
450 Bends, K= 16fT
Tee , Line, K=20fT
Tee , Branch , K=60fT
Nos.
Nos.
Nos.
Nos.
K
K
K
K
Reducer Nos.
2 4
0.57 0.51
0 0
0.304 0.272
1 0
0.38 0.34
0 0
1.14 1.02
0 0
Reducer K
Expander β =d1/d2
Nos.
K
β =d1/d2
K for Exit Loss
Flow Meter,K
Total "K"
Flow, USGPM
0.000 0.000
1.000 1.000
0 0
0.000 0.000
1.000 1.000
0 1
0 0
5.45 97.73
25 25
Flow, ft3/sec
Head loss Velocity of through flow, v the piping (ft/sec) and Remarks
0.056 0.056
2.72 2.72
It is assumed that the Blow down Pump will discharge into 0.62 cooling tower basin 11.20 11.82
Calculation of Permanently Installed Sump Pump Sizing for Turbine Area Sump.: Assumption :
1. The lekage water from Condensate discharge piping & CW supply and return piping shall be collected in the sump near Tur area. 2. For calculation of sump pump sizing continuous leakage from Condensate Pump discharge is assumed as a worst senario because of higher pressure compare to that of Circulating Water Pumps. A. Selection of Pump Capacity SL. No. Description
Unit
Data
Reference
Condensate Pump 1 discharge head
ft of W.C.
Velocity of flow , v = 2 (2*g*H)^0.5
ft/sec
3 Hole size
inch
Total flow through the 4 hole, Q
ft3/sec
Total flow through the 5 hole, Q
US GPM
77.63
Taking 10% margin, the 6 capacity of the pump US GPM
85.39
Selected Capacity of the 7 Pump US GPM
100
B. Selection of Pipe Size SL. No. Description Unit 1 Total water flow US GPM Consider minimum pipe 2 size as inch 3 Velocity of flow
ft/sec
Refer Condensate Pump 610 Specification
198.20 As recommended by Mr. B.K.M
0.4 Assumed 0.17 As recommended by Mr. B.K.M
Data
Reference 100 3 4.34 Ref: Camereron Hydraulic Data
2. Calculation of Frictional Head
SL. No.
Description
Pipe Size Pipe OD (NB, Inch) (inch)
Pipe Thickness (inch)
SL. No.
Description
Pipe Size Pipe OD (NB, Inch) (inch)
1 Individual header 2 Main Header 3 Total
3 3
Pipe Thickness (inch)
3.5 3.5
3. Selection of Pump Head Sl. No 1
2 3 7 8
Description Frictional head Considering 20 % margin , the frictional head Static Head (considered) Total Head Let us consider TDH
Unit ft of W.C.
Data 9.00
ft of W.C.
10.80
ft of W.C. ft of W.C. ft of W.C.
12 22.80 30.00
Sump & Sump Pump at Turbine Area. SL .No
Description Total nos of Turbine 1 Area sump pump 2 Capacity of each pump 3 Total Discharge Head
4 Type
Unit
Data
No. 2X100% US GPM 100 ft of W.C. 30.00 Vertical wet pit type
Note : The depth of sump is considered as 10 ft based on the advice of Mr. S. Dutta . Calculation of Minimum Sump volume (Turbine Area) Sl. No
Description 1 Pumping Rate, Qp
Unit US GPM
2 Inflow Rate, Qf US GPM Volume , V = (T*Qf)*(Qp3 Qf)/Qp US gallon 4 Time between the start Nos/hour Net flow when not 5 pumping, , Qf US GPM
Data 100 77.63 173.65 6 77.63
0.216 0.216
Net flow when 6 pumping, , (Qp-Qf)
US GPM
22.37
Time taken to fill , t1 = 7 V/Qf Min Time taken to empty, t2 8 =V/(Qp-Qf) Min
2.24 7.76
Time for complete cycle , T =(t1+t2) 9 =(V*Qp)/[Qf*(Qp-Qf)] Mins Sump Volume 10 considered, V US gallon Sump Volume 3 ft 11 considered, V Sump Volume selected, ft3 12 V
10 174 23.26 30
Selection of Sump Size Sl. No 1 2 3 4 5
Description Required Volume of the sump Sump Length offered Sump Length considered Sump Length considered Sump Width offered
Unit
Data
3
Remark
ft inch
30 Calculated 62 Flow Serve Offer
inch
62
ft inch
5.17 42 Flow Serve Offer
6 Sump Width considered inch
48
5 Sump Width considered ft 6 Sump depth ft Sump depth required to accommodate the 7 vertical pump only ft
4 Flow Serve Offer 1.45
1.30 Flow Serve Offer
8 Sump depth considered ft
3.5
Selected Sump Size Sl. No
Description 1 Length 2 Width 3 Depth
Unit inch inch inch
Data
Remark 62 48 Asdiscussed with Mr. Bijan , Mr. 72 Arman & Banida on 05.21.2013
Calculation of Water Levels in the Sump Sl. No
Description 1 Pump capacity
Unit USGPM
Low Level Height from 2 the bottom of the sump inch
3 4
5 6 7 8 9 10
Considering operation of pump between Mid Level and high level Height of the Mid level from low level Height of the Mid level from low level considered Height of High Level from Mid Level Height of High Level from Grade Level Total height of the sump Total height of the sump considered Total Height of the sump
Mins ft
Data
Remark 100
16 Flow Serve Offer Operation time is selected based on the advise of Banida on 5 05/21/2013 3.23
inch
39
inch
As advised by Banida on 12 05/21/2013 As advised by Banida on 6 05/21/2013
inch
73
inch
As advised by Banida on 72 05/21/2013
inch
ft
6
Total volume between 11 low level and mid level
ft
Total volume between 12 low level and mid level
US Gallon
3
66.84
500 So the size of the sump is O.K
ump.:
ng shall be collected in the sump near Turbine discharge is assumed as a worst senario
Remarks
Pipe ID (inch)
Butterfly Valve, K = Friction Pipe Legth Pipe Line, 45*f Factor for T (ft) "K" Pipe, fT
NRV, K=100fT
Friction Pipe Legth Pipe Line, Factor for (ft) "K" Nos. Pipe, fT
Pipe ID (inch)
3.068 3.068
10.00 450.00
0.019 0.017
0.743 29.922
K
1 0
Nos.
0.855 0.136
1 0
NRV, K=100fT
Globe Valve, K=340fT 900 Bend, K= 30fT
450 Bends, K= 16fT
Tee , Line, K=20fT
K
Nos.
1.90 1.70
K
0 0
Nos.
6.46 5.78
K
2 4
Nos.
0.57 0.51
K
0 0
Nos.
0.304 0.272
K
1 0
0.38 0.34
Tee , Branch , K=60fT
Reducer
Expander
K for Exit Loss
Nos.
K
0 0
Nos.
1.14 1.02
β =d1/d2
K
0 0
0.000 0.000
1.000 1.000
Nos.
β =d1/d2
K
0 0
0.000 0.000
1.000 1.000
K for Exit Loss
0 1
Flow Meter,K
Total "K"
Flow, USGPM
Flow, ft3/sec
Velocity of Head loss flow, v through (ft/sec) the piping
Flow Meter,K
Total "K"
0 0
5.02 32.96
Velocity of Head loss flow, v through (ft/sec) the piping Remarks It is assumed that the 0.201 3.91 1.19 Blow 0.201 3.91 7.81 9.00
Flow, ft3/sec
Flow, USGPM
90 90
Calculation of Cooling Tower Aux. Building Permanently Installed Sump Pump Sizing : Assumption : 1. The pump capacity is based on the total water requirement for the operation of the safety shower . A. Selection of Pump Capacity SL. No. Description
1 2
3 4
5
Water discharge from the operation of one safety shower The duration of operation of safety shower Total water discharge from the operation of one safety shower for 15 minutes Interval of blowdown sump pump operation Assuming that the total water will be pumped out by Pump within 10 minutes, the capacity of the pump
9 Selected Capacity of the Pump
B. Selection of Pipe Size SL. No. Description 1 Total water flow 2 Consider minimum pipe size as 3 Velocity of flow
Unit
Data
US GPM minutes
Reference Drawing No. SRW-M00-1003, Rev. B : Water Balance 20 Diagram As recommended by 15 Mr. B.K.M
minutes
As recommended by 300 Mr. B.K.M As recommended by 10 Mr. B.K.M
US GPM
As recommended by 30 Mr. B.K.M
US GPM
30
US Gallon
Unit US GPM inch ft/sec
Data
Reference 30 2 Ref: Camereron 3.26 Hydraulic Data
C Selection of Pump Head
The pump will discharge into the cooling tower basin which is about 100 ft from the Cooling Tower Aux. Building Sump and the discharge pressure of the pump is considered as 20 ft. Cooling Tower Aux. Building Sump & Sump Pumps
SL .No
Description Total nos of sump pumps at 1 cooling tower Aux. Building 2 Capacity of each pump 3 Total Discharge Head
Unit
Data
No. US GPM ft of W.C.
2X100%
4 Type
30 20.00 Vertical Wet pit type .
Calculation of Minimum Sump volume (Cooling Tower Aux. Building Area) Sl. No
Description 1 Pumping Rate, Qp
Unit US GPM
Data
2 Inflow Rate, Qf
US GPM
20.00
3 Volume , V = (T*Qf)*(Qp-Qf)/Qp 4 Time between the start
US gallon Nos/hour
66.67 6
30
5 Net flow when not pumping, , Qf US GPM
20.00
6 Net flow when pumping, , (Qp-Qf) US GPM
10.00
7 Time taken to fill , t1 = V/Qf
Min
3.33
Time taken to empty, t2 =V/(Qp8 Qf )
Min
6.67
Time for complete cycle , T 9 =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)] 10 Sump Volume considered, V 11 Sump Volume considered, V 12 Sump Volume selected, V
Mins US gallon ft3 ft
10 70 9.36
3
10
Selection of Sump Size Sl. No
Description 1 Required Volume of the sump 2 Sump Length offered Sump Length considered 3 Sump Length considered 4 Sump Width offered Sump Width considered 5 Sump Width considered 6 Sump depth
Unit ft3 inch inch ft inch inch ft ft
Data
Remark 10 62 72 6.00 42 42 3.5 0.48
Calculated Flow Serve Offer
Flow Serve Offer Flow Serve Offer
Sump depth required to accommodate the vertical pump 7 only ft 8 Sump depth considered ft
1.33 Flow Serve Offer 3.5
Selected Sump Size Sl. No
Description 1 Length 2 Width 3 Depth
Unit inch inch inch
Data
Unit USGPM
Data
Remark 72 Asdiscussed with Mr. 42 Bijan , Mr. Arman & 38 Banida on 05.21.2013
Calculation of Water Levels in the Sump Sl. No
Description 1 Pump capacity Low Level Height from the 2 bottom of the sump
3 4 5 6 7 8 9 10 12
Considering operation of pump between Mid Level and high level Height of the Mid level from low level Height of the Mid level from low level considered Height of High Level from Mid Level Height of High Level from Grade Level Total height of the sump Total height of the sump considered Total volume between low level and mid level Total volume between low level and mid level
inch
Mins ft
Remark 30 16 Flow Serve Offer Operation time is 5 discussed with Banida 0.95
inch
11
inch
5
inch inch
6 38
inch
38
ft3 US Gallon
20.05 So the size of the 150 sump is O.K
Calculation of Ammonia Storage Area Portable Sump Pump Sizing : Assumption : 1. The pump capacity is based on the total water requirement for the operation of the safety shower . A. Selection of Pump Capacity SL. No. Description Water discharge from the operation of one safety 1 shower
Unit
Data
Drawing No. SRW-M-00-1003, 20 Rev. B : Water Balance Diagram
US GPM
The duration of operation of 2 safety shower minutes Total water discharge from the operation of one safety 3 shower for 15 minutes US Gallon
15 As recommended by Mr. B.K.M
300 As recommended by Mr. B.K.M
Interval of blowdown sump operation 4 pump minutes Assuming that the total water will be pumped out by Portable Pump within 10 5 minutes, the capacity of the US GPM Selected Capacity of the 9 Pump
3 Velocity of flow
C Selection of Pump Head
10 As recommended by Mr. B.K.M
30 As recommended by Mr. B.K.M
US GPM
B. Selection of Pipe Size SL. No. Description Unit 1 Total water flow US GPM Consider minimum pipe size 2 as inch ft/sec
Reference
30
Data
Reference 30 2 3.26 Ref: Camereron Hydraulic Data
Assuming that the pump will be discharged into the road tanker/cooling tower basin, the discharge pressure of the pump is considered as 30 ft. Ammonia Storage Area Sump and Portable Sump Pump SL .No
Description Total nos of Portable sump 1 pump 2 Capacity of each pump 3 Total Discharge Head
Unit
Data
No. US GPM ft of W.C.
3X100% 30 30.00 Vertical Submersible
4 Type
Calculation of Minimum Sump volume (Ammonia Storage Area) Sl. No
Description 1 Pumping Rate, Qp
Unit US GPM
2 Inflow Rate, Qf
US GPM
Volume , V = (T*Qf)*(Qp3 Qf)/Qp US gallon 4 Time between the start Nos/hour Net flow when not pumping, 5 , Qf US GPM
Data
Remarks 30 20.00 66.67 6 20.00
Net flow when pumping, , 6 (Qp-Qf)
US GPM
7 Time taken to fill , t1 = V/Qf
Min
3.33
Time taken to empty, t2 8 =V/(Qp-Qf)
Min
6.67
Time for complete cycle , T 9 =(t1+t2) =(V*Qp)/[Qf*(Qp-Qf)] Mins 10 Sump Volume considered, V US gallon
10.00
10 70
3 11 Sump Volume considered, V ft
9.36
ft3
10
12 Sump Volume selected, V Selection of Sump Size
Sl. No 1 2 3 4 5 6
7 8
Description Required Volume of the sump Sump Length offered Sump Length considered Sump Length considered Sump Width offered Sump Width considered Sump Width considered Sump depth Sump depth required to accommodate the vertical pump only Sump depth considered
Unit
Data
3
ft inch inch ft inch inch ft ft
Remark 10 16.4 36 3.00 11.1875 36 3 1.11
ft ft
Calculated Flow Serve Offer
Flow Serve Offer Flow Serve Offer
0.53 Flow Serve Offer
Selected Sump Size Sl. No
Description 1 Length 2 Width 3 Depth
Unit inch inch inch
Data
Unit USGPM
Data
Remark 36 36 Asdiscussed with Mr. Bijan , Mr. 52 Arman & Banida on 05.21.2013
Calculation of Water Levels in the Sump Sl. No 1 2
3 4
Description Pump capacity Low Level Height from the bottom of the sump Considering operation of pump between Mid Level and high level Height of the Mid level from low level
Height of the Mid level from 5 low level considered Height of High Level from 6 Mid Level Height of High Level from 7 Grade Level 8 Total height of the sump Total height of the sump 9 considered Total volume between low 10 level and mid level
inch
Mins ft
Remark 30 6.375 Flow Serve Offer Operation time is discussed 5 with Banida 2.23
inch
27
inch
13
inch inch
6 52
inch
52
ft
3
20.05
Total volume between low 11 level and mid level
US Gallon
150 So the size of the sump is O.K
Calculation of sizing of Portable Sump Pump for Trasformer Pit A. Selection of capacity of the Pump Sl No. Description
1 2 3 4
Total capacity of transformer oil for 125 MVA Transformer Total capacity of transformer oil for 125 MVA Transformer Consider that the total oil will be disposed off by portable sump pump Capacity of the pump
Unit
Data.
liter US Gallon
31000 8189.3351
Minutes US GPM
90 90.99
5 Considering 10 % margin, the capacity of the pump US GPM 6 Selected capacity of the pump US GPM
100 100
B. Selection of Pipe Size SL. No. Description 1 Total water flow
Unit US GPM
2 Consider minimum pipe size as
inch
3 Velocity of flow
ft/sec
Data 100
3
4.34
C Selection of Pump Head Assuming that the pump will be discharged into the road tanker, the discharge pressure of the pump is considered as 20 ft.
125 MVA Transformer Area Sump & Portable Sump Pump SL .No
Description 1 Total nos of Portable sump pump 2 Capacity of each pump 3 Total Discharge Head 4 Type
Unit Data No. 1X100% US GPM 100 ft of W.C. 20.00 Vertical Submersible
Calculation of Minimum Sump volume (Transformer Pit for 125 MVA Transformer) Sl. No
Description 1 Pumping Rate, Qp
Unit US GPM
2 Inflow Rate, Qf
US GPM
90.99
3 Volume , V = (T*Qf)*(Qp-Qf)/Qp 4 Time between the start 5 Net flow when not pumping, , Qf
US gallon Nos/hour US GPM
81.96 6 90.99
6 Net flow when pumping, , (Qp-Qf)
US GPM
9.01
7 Time taken to fill , t1 = V/Qf
Min
0.90
8 Time taken to empty, t2 =V/(Qp-Qf)
Min
9.10
Mins US gallon ft3
10 100
Time for complete cycle , T =(t1+t2) 9 =(V*Qp)/[Qf*(Qp-Qf)] 10 Sump Volume considered, V 11 Sump Volume considered, V 12 Sump Volume selected, V
ft
Data 100
13.37
3
15
Selection of Sump Size Sl. No 1 2 3 4 5 6 7 8
Description Required Volume of the sump Sump Length offered Sump Length considered Sump Length considered Sump Width offered Sump Width considered Sump Width considered Sump depth Sump depth required to accommodate the vertical pump only Sump depth considered
Unit ft3 inch inch ft inch inch ft ft
Data 15 36.625 60 5.00 32.69 60 5 0.60
ft ft
0.67
Selected Sump Size Sl. No
Description 1 Length 2 Width 3 Depth
Unit inch inch inch
Data
Unit
Data
60 60 56
Calculation of Water Levels in the Sump Sl. No
Description
1 Pump capacity
USGPM
2 Low Level Height from the bottom of the sump inch Considering operation of pump between Mid Level 3 and high level Mins 4 Height of the Mid level from low level ft 5 6 7 8 9
Height of the Mid level from low level considered Height of High Level from Mid Level Height of High Level from Grade Level Total height of the sump Total height of the sump considered
inch inch inch inch inch
10 Total volume between low level and mid level
ft3
11 Total volume between low level and mid level
US Gallon
100 8.06 5 2.67 32 10 6 56 56 66.84 500
Remarks Information received from Electrical Department
Reference
Ref: Camereron Hydraulic Data
pressure of the pump is considered
mer) Remarks
Remark Calculated Flow Serve Offer
Flow Serve Offer Flow Serve Offer
Flow Serve Offer
Remark Asdiscussed with Mr. Bijan , Mr. Arman & Banida on 05.21.2013
Remark
Flow Serve Offer Operation time is discussed with Banida
So the size of the sump is O.K