HomeMy WebLinkAboutF12-0033 HYDRAULIC CALCSBy David Rhoades at 8:55 am, Jul 11, 2012
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Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:19
HYDRAULIC CALCULATION DETAILS
HYDRAULIC FLOW LOSS
QTY DESCRIPTION LENGTH C ID gpm psi TOTALS
Hydr Ref W Required at Hyd Area 1 54 35.7 psi
1 1¼" Thrd Butterfly Valve Milwauk "B 0' 120 1.380 54 0.0
1 1¼" Thrd Check Valve Generic NFPA V 7' 120 1.380 54 1.5
1 1-1/2" Thrd Tee DI 8' 120 1.610 54 1.1
2 1-1/2" Thrd 90 Ell CI 8' 120 1.610 54 1.1
1 1½" Flngd Back Flow Valve Watts "70 CHART LOSS 54 4.5
Fixed Flow Inside Hose Allow. 50 gpm
______
Total Loss for Riser 8.3 psi
______
Hydr Ref R1 Required at Base of Riser 104 44.0 psi
2 2" CPVC 90 Ell 18' 120 2.067 104 2.1
1 2" Thrd Gate Valve Kennedy 1' 120 2.067 104 0.1
1 2" CPVC Tee 1' 120 2.067 104 0.1
1 Pipe 2" PVx15 100' 150 2.003 104 7.8
Fixed Flow Outside Hose Stream 50 gpm
______
Total Loss for Underground 10.2 psi
______
Hydr Ref R2 Required at City Supply 154 54.2 psi
Water Source 97.2 psi static, 90.0 psi residual @ 583 gpm 154 gpm 96.6 psi
=======
SAFETY PRESSURE 42.4 psi
Available Pressure of 96.6 psi Exceeds Required Pressure of 54.2 psi
This is a safety margin of 42.4 psi or 44 % of Supply
Maximum Water Velocity is 14.4 fps
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:19
Page 3
FITTING NAME TABLE
ABBREV. NAME
C Coupling
E 90' Standard Elbow
F 45' Elbow
S Straight Flow Thru Tee
T 90' Flow Thru Tee
V Valve
LEGEND
HYD REF Hydraulic reference. Refer to accompanying flow diagram. __
K FACTOR Flow factor for open head or path where Flow (gpm) = K x -\/P
Qa Flow added or subtracted
Qt Total flow
DIA Actual internal diameter of pipe
C Hazen Williams pipe roughness factor
Pf/ft Friction loss per foot of pipe
PIPE Length of pipe
FTNG'S Number of fittings. See table above.
TOTAL Total length (PIPE + FTNG'S)
Pt Total pressure (psi) at fitting
Pe Pressure due to change in elevation
where Pe = 0.433 x change in elevation
Pf Friction loss (psi) to fitting
where Pf = l x 4.52 x (Q/C)^1.85 / ID^4.87
Pv Velocity pressure (psi)
where Pv = 0.001123 x Q^2/ID^4
Pn Normal pressure (psi), where Pn = Pt - Pv
NOTES:
- Pressures are balanced to 0.01 psi. Pressures are listed to
0.1 psi. Addition may vary by 0.1 psi due to accumulation of
round off.
- Calculations conform to NFPA 13.
- Velocity Pressures are not considered in these Calculations
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:19
Page 4
NODE ELEVATION SPRINKLER PRESSURE ACTUAL MINIMUM ACTUAL
NUMBER K-FACTOR FLOW FLOW DENSITY
(FT) (GPM/(PSI^½)) (PSI) (GPM) (GPM) (GPM/SQ.FT)
101 25.38 7.7
101S 24.87 4.90 7.3 13.2 13.2 0.10
102 25.38 8.9
102S 24.87 4.90 8.4 14.2 13.0 0.12
103 25.38 8.1
103S 24.87 4.90 7.7 13.6 13.0 0.54
104 25.38 7.5
104S 24.87 4.90 7.1 13.1 13.0 0.10
A7 1.50 35.6
B1 25.38 8.4
B2 25.38 8.7
B3 25.38 9.5
F1 25.38 19.0
W 1.50 35.7
Max velocity of 14.38 occurs in the pipe from A7 TO F1
Nodes with "S" indicate a node at the top of a sprig or bottom
of drop pendent. The node without an "S" is on the branch.
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:19
Tyco Fire Products Page 5
HYD. Qa DIA. FITTING PIPE Pt Pt
REF "C" TYPES FTNG'S Pe Pv ******* NOTES *******
POINT Qt Pf/ft TOTAL Pf Pn
PATH 1 FROM HYDRAULIC REFERENCE 104 TO W (PRIMARY PATH)
13.07 0.811 1E 0.50 7.1 7.1 K = 4.90
104S C=120 2.57 -0.2 0.0
13.07 0.207 3.07 0.6 7.1 Vel = 8.19
0.995 1T 10.99 7.5 7.5 EqK = 4.76
104 C=150 5.84 0.0 0.0
13.07 0.051 16.83 0.9 7.5 Vel = 5.44
13.20 1.245 4.38 8.4 8.4
B1 C=150 0.00 0.0 0.0 See PATH 2
26.27 0.062 4.38 0.3 8.4 Vel = 6.99
13.56 1.245 6.65 8.7 8.7
B2 C=150 0.00 0.0 0.0 See PATH 3
39.83 0.134 6.65 0.9 8.7 Vel = 10.60
14.21 1.245 1T 34.59 9.5 9.5
B3 C=150 5.49 0.0 0.0 See PATH 4
54.03 0.235 40.08 9.4 9.5 Vel = 14.38
1.245 1E 23.88 19.0 19.0
F1 C=150 2.75 10.3 0.0
54.03 0.235 26.62 6.3 19.0 Vel = 14.38
1.639 1.00 35.6 35.6
A7 C=120 0.00 0.0 0.0
54.03 0.093 1.00 0.1 35.6 Vel = 8.30
W 54.03 35.7 K = 9.05
PATH 2 FROM HYDRAULIC REFERENCE 101 TO B1
13.20 0.811 1E 0.50 7.3 7.3 K = 4.90
101S C=120 2.57 -0.2 0.0
13.20 0.211 3.07 0.6 7.3 Vel = 8.28
UNITS - DIAMETER (INCH) LENGTH (FOOT) FLOW (GPM) PRESSURE (PSI)
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:19
Tyco Fire Products Page 6
HYD. Qa DIA. FITTING PIPE Pt Pt
REF "C" TYPES FTNG'S Pe Pv ******* NOTES *******
POINT Qt Pf/ft TOTAL Pf Pn
PATH 2 FROM HYDRAULIC REFERENCE 101 TO B1 CONTINUED
0.995 1E 5.25 7.7 7.7 EqK = 4.76
101 C=150 1T 8.18 0.0 0.0
13.20 0.052 13.42 0.7 7.7 Vel = 5.50
B1 13.20 8.4 K = 4.56
PATH 3 FROM HYDRAULIC REFERENCE 103 TO B2
13.56 0.811 1E 0.50 7.7 7.7 K = 4.90
103S C=120 2.57 -0.2 0.0
13.56 0.222 3.07 0.7 7.7 Vel = 8.51
0.995 1T 3.89 8.1 8.1 EqK = 4.76
103 C=150 5.84 0.0 0.0
13.56 0.054 9.73 0.5 8.1 Vel = 5.65
B2 13.56 8.7 K = 4.61
PATH 4 FROM HYDRAULIC REFERENCE 102 TO B3
14.21 0.811 1E 0.50 8.4 8.4 K = 4.90
102S C=120 2.57 -0.2 0.0
14.21 0.242 3.07 0.7 8.4 Vel = 8.91
0.995 1T 4.48 8.9 8.9 EqK = 4.75
102 C=150 5.84 0.0 0.0
14.21 0.059 10.32 0.6 8.9 Vel = 5.92
B3 14.21 9.5 K = 4.60
UNITS - DIAMETER (INCH) LENGTH (FOOT) FLOW (GPM) PRESSURE (PSI)
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Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:20
HYDRAULIC CALCULATION DETAILS
HYDRAULIC FLOW LOSS
QTY DESCRIPTION LENGTH C ID gpm psi TOTALS
Hydr Ref W Required at Hyd Area 2 53 39.0 psi
1 1¼" Thrd Butterfly Valve Milwauk "B 0' 120 1.380 53 0.0
1 1¼" Thrd Check Valve Generic NFPA V 7' 120 1.380 53 1.5
1 1-1/2" Thrd Tee DI 8' 120 1.610 53 1.1
2 1-1/2" Thrd 90 Ell CI 8' 120 1.610 53 1.1
1 1½" Flngd Back Flow Valve Watts "70 CHART LOSS 53 4.5
Fixed Flow Inside Hose Allow. 50 gpm
______
Total Loss for Riser 8.2 psi
______
Hydr Ref R1 Required at Base of Riser 103 47.2 psi
2 2" CPVC 90 Ell 18' 120 2.067 103 2.1
1 2" Thrd Gate Valve Kennedy 1' 120 2.067 103 0.1
1 2" CPVC Tee 1' 120 2.067 103 0.1
1 Pipe 2" PVx15 100' 150 2.003 103 7.7
Fixed Flow Outside Hose Stream 50 gpm
______
Total Loss for Underground 10.0 psi
______
Hydr Ref R2 Required at City Supply 153 57.2 psi
Water Source 97.2 psi static, 90.0 psi residual @ 583 gpm 153 gpm 96.6 psi
=======
SAFETY PRESSURE 39.3 psi
Available Pressure of 96.6 psi Exceeds Required Pressure of 57.2 psi
This is a safety margin of 39.3 psi or 41 % of Supply
Maximum Water Velocity is 14.2 fps
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:20
Page 3
FITTING NAME TABLE
ABBREV. NAME
C Coupling
E 90' Standard Elbow
F 45' Elbow
S Straight Flow Thru Tee
T 90' Flow Thru Tee
V Valve
LEGEND
HYD REF Hydraulic reference. Refer to accompanying flow diagram. __
K FACTOR Flow factor for open head or path where Flow (gpm) = K x -\/P
Qa Flow added or subtracted
Qt Total flow
DIA Actual internal diameter of pipe
C Hazen Williams pipe roughness factor
Pf/ft Friction loss per foot of pipe
PIPE Length of pipe
FTNG'S Number of fittings. See table above.
TOTAL Total length (PIPE + FTNG'S)
Pt Total pressure (psi) at fitting
Pe Pressure due to change in elevation
where Pe = 0.433 x change in elevation
Pf Friction loss (psi) to fitting
where Pf = l x 4.52 x (Q/C)^1.85 / ID^4.87
Pv Velocity pressure (psi)
where Pv = 0.001123 x Q^2/ID^4
Pn Normal pressure (psi), where Pn = Pt - Pv
NOTES:
- Pressures are balanced to 0.01 psi. Pressures are listed to
0.1 psi. Addition may vary by 0.1 psi due to accumulation of
round off.
- Calculations conform to NFPA 13.
- Velocity Pressures are not considered in these Calculations
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:20
Page 4
NODE ELEVATION SPRINKLER PRESSURE ACTUAL MINIMUM ACTUAL
NUMBER K-FACTOR FLOW FLOW DENSITY
(FT) (GPM/(PSI^½)) (PSI) (GPM) (GPM) (GPM/SQ.FT)
201 25.38 7.4
201S 24.87 4.90 7.0 13.0 13.0 0.14
202 25.38 7.9
202S 24.87 4.90 7.2 13.1 13.0 0.15
203 25.38 8.3
203S 24.87 4.90 7.9 13.7 13.0 0.55
204 25.38 8.0
204S 24.87 4.90 7.5 13.5 13.0 0.54
A1 25.38 8.2
A2 25.38 8.7
A3 25.38 10.3
A7 1.50 39.0
D1 25.38 10.0
F1 25.38 22.5
W 1.50 39.0
Max velocity of 14.18 occurs in the pipe from A7 TO F1
Nodes with "S" indicate a node at the top of a sprig or bottom
of drop pendent. The node without an "S" is on the branch.
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:20
Tyco Fire Products Page 5
HYD. Qa DIA. FITTING PIPE Pt Pt
REF "C" TYPES FTNG'S Pe Pv ******* NOTES *******
POINT Qt Pf/ft TOTAL Pf Pn
PATH 1 FROM HYDRAULIC REFERENCE 201 TO W (PRIMARY PATH)
12.96 0.811 1E 0.50 7.0 7.0 K = 4.90
201S C=120 2.57 -0.2 0.0
12.96 0.204 3.07 0.6 7.0 Vel = 8.13
0.995 9.19 7.4 7.4 EqK = 4.76
201 C=150 0.00 0.0 0.0
12.96 0.050 9.19 0.5 7.4 Vel = 5.40
13.13 0.995 1T 7.46 7.9 7.9 EqK = 4.68
202 C=150 5.84 0.0 0.0
26.09 0.182 13.30 2.4 7.9 Vel = 10.87
27.20 1.245 1E 38.57 10.3 10.3
A3 C=150 2T 14.64 0.0 0.0 See PATH 2
53.29 0.229 1F 53.21 12.2 10.3 Vel = 14.18
1.245 1E 23.88 22.5 22.5
F1 C=150 2.75 10.3 0.0
53.29 0.229 26.62 6.1 22.5 Vel = 14.18
1.639 1.00 39.0 39.0
A7 C=120 0.00 0.0 0.0
53.29 0.091 1.00 0.1 39.0 Vel = 8.18
W 53.29 39.0 K = 8.53
13.13 0.811 1T 0.50 7.2 7.2 K = 4.90
202S C=120 3.86 -0.2 0.0
13.13 0.209 4.36 0.9 7.2 Vel = 8.23
202 13.13 7.9 K = 4.68
PATH 2 FROM HYDRAULIC REFERENCE 204 TO A3
13.46 0.811 1E 0.50 7.5 7.5 K = 4.90
204S C=120 2.57 -0.2 0.0
13.46 0.219 3.07 0.7 7.5 Vel = 8.44
UNITS - DIAMETER (INCH) LENGTH (FOOT) FLOW (GPM) PRESSURE (PSI)
Millcreek Unit 401 & 304/306 Rem Drawing Date:07.02.12 7/ 4/12 11:20
Tyco Fire Products Page 6
HYD. Qa DIA. FITTING PIPE Pt Pt
REF "C" TYPES FTNG'S Pe Pv ******* NOTES *******
POINT Qt Pf/ft TOTAL Pf Pn
PATH 2 FROM HYDRAULIC REFERENCE 204 TO A3 CONTINUED
0.995 1E 2.01 8.0 8.0 EqK = 4.76
204 C=150 2.34 0.0 0.0
13.46 0.054 4.34 0.2 8.0 Vel = 5.61
0.995 8.88 8.2 8.2
A1 C=150 0.00 0.0 0.0
13.46 0.054 8.88 0.5 8.2 Vel = 5.61
13.74 0.995 1E 4.20 8.7 8.7
A2 C=150 2.34 0.0 0.0 See PATH 3
27.20 0.197 6.54 1.3 8.7 Vel = 11.33
1.245 4.41 10.0 10.0
D1 C=150 0.00 0.0 0.0
27.20 0.066 4.41 0.3 10.0 Vel = 7.24
A3 27.20 10.3 K = 8.48
PATH 3 FROM HYDRAULIC REFERENCE 203 TO A2
13.74 0.811 1E 0.50 7.9 7.9 K = 4.90
203S C=120 2.57 -0.2 0.0
13.74 0.227 3.07 0.7 7.9 Vel = 8.62
0.995 1T 0.87 8.3 8.3 EqK = 4.76
203 C=150 5.84 0.0 0.0
13.74 0.056 6.71 0.4 8.3 Vel = 5.72
A2 13.74 8.7 K = 4.65
UNITS - DIAMETER (INCH) LENGTH (FOOT) FLOW (GPM) PRESSURE (PSI)