HomeMy WebLinkAboutFire Flow AnalysisrMMcCLURE & BROWNE, ENGINEERING/SURVEYING, INC.
1008 Woodcreek Dr., Suite 103 -College Station, Tx. 77845 (979)693-3838 Engineer Reg. No. F-458
1314 101h Street. Suite 210 • Huntsville, Tx. 77320.(936) 294-9749 Survey Reg, No. 101033-00
February 27, 2013
Erika Bridges, PE
City of College Station
Dear Erika,
The attached exhibits are updates to the Fire Flow Analysis for the Falcon Point Subdivision
on Dartmouth Drive in College Station. During the design of the site plan for this project it
became necessary to install a fire hydrant on the 8" line that runs along the south border of
the property. This analysis shows how the existing and proposed water lines perform during
a fire flow event.
According to Exhibit C, all pipes meet the velocity and pressure requirements of the City of
College Station. Therefore we determine that the addition of the proposed fire hydrant will
have no adverse impacts on the water infrastructure in the area.
If you have any questions, please do not hesitate to contact me.
Sincerely,
Jeff Robertson
Vice President -Engineering
EXHIBIT B
STATIC FLOW
* * * * * * * * * * K Y P I P E 5
*
* Pipe Network Modeling Software
*
* Copyrighted by KYPIPE LLC
* Version 5 - February 2010
*
Date & Time: Wed Feb 27 16:39:28 2013
Master File : f:\1062 - clarke & wyndham inc\0031 - holleman - dartmouth
plat\docs\10620031-stat.KYP\10620031-stat.P2K
S U M M A R Y O F O R I G I N A L D A T A
U N I T S S P E C I F I E D
FLOWRATE ............ = gallons/minute
HEAD (HGL) .......... = feet
PRESSURE ............ = psig
P I P E L I N E D A T A
STATUS CODE:
XX -CLOSED PIPE CV
-CHECK VALVE
P I
P E
NODE NAMES
LENGTH
DIAMETER
ROUGHNESS
MINOR
N A
M E
#1 #2
(ft)
(in)
COEFF. LOSS
COEFF.
-------------------------------------------------------------------------------
P-1
VP-1 J-5
75.00
6.00
125.0000
0.00
P-2
J-3 J-1
100.00
8.00
125.0000
0.00
P-3
J-4 J-6
463.07
8.00
125.0000
0.00
P-4
J-2 VP-2
15.00
6.00
125.0000
0.00
P-5
J-1 J-2
437.00
8.00
125.0000
0.00
P-6
J-5 J-4
137.00
8.00
125.0000
0.00
P-7
J-6 J-3
252.93
8.00
125.0000
0.00
P U M
P/L 0 S S
E L E M E N T D A
T A
THERE
IS A DEVICE
AT NODE VP-1
DESCRIBED
BY THE FOLLOWING DATA:
(ID= 1)
HEAD
FLOWRATE
EFFICIENCY
(ft)
(gpm)
M
258.46
0.00
75.00
235.38
1455.00
75.00
175.15
2910.00
75.00
THERE IS A DEVICE AT NODE VP-2 DESCRIBED BY THE FOLLOWING DATA: (ID= 2)
HEAD FLOWRATE EFFICIENCY
(ft) (gpm) (8)
249.23 0.00 75.00
230.77 1500.00 75.00
182.58 3000.00 75.00
N 0 D E D A T A
NODE NODE
EXTERNAL
JUNCTION
EXTERNAL
NAME TITLE
DEMAND
ELEVATION
GRADE
(gpm)
(ft)
(ft)
--------------------------------------------------------------
J-1
0.00
271.00
J-2
0.00
272.00
J-3
26.00
271.00
J-4
52.00
269.50
J-5
0.00
269.50
J-6
26.00
271.00
VP-1
----
270.00
270.00
VP-2
----
271.00
271.00
O U T P U T O P T I O N
D A T A
OUTPUT SELECTION: ALL RESULTS ARE INCLUDED
IN THE
TABULATED OUTPUT
MAXIMUM AND MINIMUM
PRESSURES
= 4
MAXIMUM AND MINIMUM
VELOCITIES
= 4
MAXIMUM AND MINIMUM
HEAD LOSS/1000
= 4
S Y S T E M C O N F I G U
R A T I O N
NUMBER OF PIPES ...................(p)
= 7
NUMBER OF END NODES ...............(j)
= 6
NUMBER OF PRIMARY LOOPS
...........(1)
= 0
NUMBER OF SUPPLY NODES
............(f)
= 2
NUMBER OF SUPPLY ZONES
............(z)
= 1
______________________________
Case: 0
RESULTS OBTAINED AFTER 19 TRIALS: ACCURACY = 0.00000
S I M U L A T I O N D E S C R I P T I O N (L A B E L)
P I P E L I N E R E S U L T S
STATUS CODE: XX -CLOSED PIPE
P I P E
NODE
NUMBERS
N A M E
#1
#2
(ft/ft)
----------------------------------
P-1
VP-1
J-5
P-2
J-3
J-1
P-3
J-4
J-6
P-4
J-2
VP-2
P-5
J-1
J-2
P-6
J-5
J-4
P-7
J-6
J-3
CV -CHECK VALVE
FLOWRATE
HEAD
MINOR
LINE
HL+ML/
HL/
LOSS
LOSS
VELD.
1000
1000
(gpm)
(ft)
(ft)
(ft/s)
(ft/ft)
--------------------------------------------------
104.00
0.09
0.00
1.18
1.21
1.21
0.00
0.00
0.00
0.00
0.00
0.00
52.00
0.04
0.00
0.33
0.08
0.08
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
104.00
0.04
0.00
0.66
0.30
0.30
26.00
0.01
0.00
0.17
0.02
0.02
P U M P/L O S S E L E M E N T R E S U L T S
INLET
OUTLET
PUMP
EFFIC-
USEFUL
INCREMTL
TOTAL *PUMPS
#PUMPS NPSH
NAME FLOWRATE
HEAD
HEAD
HEAD
ENCY
POWER
COST
COST
PARALLEL SERIES Avail.
(gpm)
(ft)
(ft)
(£t)
(8)
(Hp)
($)
($)
(ft)
---------------------------------------------------------------------------------------
-----------------
VP-1 104.00
0.00
258.29
258.3
75.00
0.
0.0
0.0 **
* 33.2
Device "VP-2" is closed
VP-2 0.00
0.00
257.11
0.0
75.00
0.
0.0
0.0 **
** 33.2
N O D E R E S U L T S
NODE NODE
NAME TITLE
J-1
J-2
J-3
J-4
J-5
J-6
VP-1
VP-2
EXTERNAL
HYDRAULIC
NODE
PRESSURE
NODE
DEMAND
GRADE
ELEVATION
HEAD
PRESSURE
(gpm)
(ft)
(ft)
(ft)
(psi)
------------------------------------------------
0.00
528.11
271.00
257.11
111.42
0.00
528.11
272.00
256.11
110.98
26.00
528.11
271.00
257.11
111.42
52.00
528.16
269.50
258.66
112.08
0.00
528.20
269.50
258.70
112.10
26.00
528.12
271.00
257.12
111.42
----
528.29
270.00
258.29
111.92
----
528.11
271.00
257.11
111.42
M A X I M U M A N D M I N I M U M V A L U E S
P R E S S U R E S
JUNCTION MAXIMUM JUNCTION
NUMBER PRESSURES NUMBER
(psi)
MINIMUM
PRESSURES
(psi)
J-5
112.10
J-2
110.98
J-4
112.08
J-1
111.42
VP-1
111.92
J-3
111.42
J-6
111.42
VP-2
111.42
V E L O C I T
I E S
PIPE
MAXIMUM
PIPE
MINIMUM
NUMBER
VELOCITY
NUMBER
VELOCITY
(ft/s)
---------------------
(ft/s)
_______________
__ 1.18
P-7
0.17
P-6
0.66
P-3
0.33
H L+ M L /
1 0 0 0
PIPE
MAXIMUM
PIPE
MINIMUM
NUMBER
HL+ML/1000
NUMBER
HL+ML/1000
(ft/ft)
----__
(ft/ft)
_____________________
P-1
1.21
P-7
0.02
P-6
0.30
P-3
0.08
H L / 1 0 0
0
PIPE
MAXIMUM
PIPE
MINIMUM
NUMBER
HL/1000
NUMBER
HL/1000
(ft/ft)
_____________
(ft/ft)
---------------------
P-1
1.21
P-7
0.02
P-6
0.30
P-3
0.08
S U
M M A R Y O
F I N F L O W
S A
N D O U T
F L O W S
(+)
INFLOWS INTO THE SYSTEM FROM
SUPPLY
NODES
(-)
OUTFLOWS FROM
THE SYSTEM INTO
SUPPLY NODES
NODE
FLOWRATE
NODE
NAME
(gpm)
TITLE
____________________________________________
VP-1
104.00
NET
SYSTEM INFLOW
= 104.00
NET
SYSTEM OUTFLOW = 0.00
NET
SYSTEM DEMAND
= 104.00
***** HYDRAULIC ANALYSIS COMPLETED *****
EXHIBIT C
FIRE FLOW ANALYSIS
* * * * * * * * * * K Y P I P E 5
*
* Pipe Network Modeling Software
*
* Copyrighted by KYPIPE LLC
* Version 5 - February 2010
* *
Date & Time: Wed Feb 27 16:52:02 2013
Master File : f:\1062 - clarke & wyndham inc\0031 - holleman - dartmouth
plat\docs\10620031-fire.KYP\10620031-£ire.P2K
S U M M A R Y O F O R I G I N A L D A T A
U N I T S S P E C I F I E D
FLOWRATE ............ = gallons/minute
HEAD (HGL) .......... = feet
PRESSURE ............ = psig
P I P E L I N E D A T A
STATUS CODE: XX -CLOSED PIPE CV -CHECK VALVE
P I
P E
NODE NAMES
LENGTH
DIAMETER
ROUGHNESS
MINOR
N A
M E
#1
#2
(ft)
(in)
COEFF. LOSS COEFF.
_
P-1
VP-1
---------------------------------------
J-5
75.00
6.00
125.0000
0.00
P-2
J-3
J-1
100.00
8.00
125.0000
0.00
P-3
J-4
J-6
463.00
8.00
125.0000
0.00
P-4
J-2
VP-2
15.00
6.00
125.0000
0.00
P-5
J-1
J-2
437.00
8.00
125.0000
0.00
P-6
J-5
J-4
137.00
8.00
125.0000
0.00
2-7
J-6
J-3
253.00
8.00
125.0000
0.00
P U M
P/L 0 S S
E L E M E N
T D A
T A
THERE
IS A DEVICE
AT NODE
VP-1
DESCRIBED
BY THE FOLLOWING DATA:
(ID= 1)
HEAD
FLOWRATE
EFFICIENCY
(ft)
(gpm)
(8)
258.46
0.00
75.00
235.38
1455.00
75.00
175.15
2910.00
75.00
THERE IS A DEVICE AT NODE VP-2 DESCRIBED BY THE FOLLOWING DATA: (ID= 2)
HEAD FLOWRATE EFFICIENCY
(ft) (gpm) M
249.23 0.00 75.00
230.77 1500.00 75.00
182.58 3000.00 75.00
N O D E D A T A
NODE
NODE
EXTERNAL
JUNCTION
EXTERNAL
NAME
TITLE
DEMAND
ELEVATION
GRADE
(gpm)
(ft)
(ft)
--------------------------------------------------------------
J-1
0.00
271.00
J-2
0.00
272.00
J-3
0.00
271.00
J-4
927.00
269.50
J-5
0.00
269.50
J-6
927.00
271.00
VP-1
----
270.00
270.00
VP-2
----
271.00
271.00
O U T P U T
O P T I O N
D A T A
OUTPUT SELECTION: ALL RESULTS ARE INCLUDED
IN THE
TABULATED OUTPUT
MAXIMUM AND MINIMUM
PRESSURES
= 4
MAXIMUM AND MINIMUM
VELOCITIES
= 4
MAXIMUM AND MINIMUM
HEAD LOSS/1000
= 4
S Y S T E M
C O N F I G U
R A T I O N
NUMBER OF
PIPES ...................(p)
= 7
NUMBER OF
END NODES ...............(j)
= 6
NUMBER OF
PRIMARY LOOPS
...........(1)
= 0
NUMBER OF
SUPPLY NODES
............(f)
= 2
NUMBER OF
SUPPLY ZONES
............(z)
= 1
______________________________
Case: 0
RESULTS OBTAINED AFTER 4 TRIALS: ACCURACY = 0.00000
S I M U L A T I O N D E S C R I P T I O N (L A B E L)
P I P E L I N E R E S U L T S
STATUS CODE: XX -CLOSED PIPE
P I
P E
NODE
NUMBERS
NAME
#1
#2
(ft/ft)
----------------------------------
P-1
VP-1
J-5
P-2
J-3
J-1
P-3
J-4
J-6
P-4
J-2
VP-2
P-5
J-1
J-2
P-6
J-5
J-4
P-7
J-6
J-3
CV -CHECK VALVE
FLOWRATE HEAD MINOR
LOSS LOSS
(gpm) (ft) (ft)
LINE HL+ML/ HL/
VELD. 1000 1000
(ft/s) (ft/ft)
1085.95
6.97
0.00
11.88
92.90
92.90
-768.05
1.20
0.00
4.90
12.05
12.05
158.95
0.30
0.00
1.01
0.65
0.65
-768.05
0.73
0.00
8.71
48. 91
48. 91
-768.05
5.27
0.00
4.90
12.05
12.05
1085.95
3.14
0.00
6.93
22.89
22.89
-768.05
3.05
0.00
4.90
12.05
12.05
P U M P/L 0 S S E L E M E N T R E S U L T S
INLET
OUTLET
PUMP EFFIC- USEFUL INCREMTL TOTAL #PUMPS
#PUMPS NPSH
NAME
FLOWRATE
HEAD
HEAD
HEAD ENCY POWER COST
COST
PARALLEL SERIES Avail.
(gpm)
(ft)
(ft)
(ft) M (Hp)
($)
($)
(ft)
---------------------------------------------------------------------------------------
-----------------
VP-1
1085.95
0.00
245.04
245.0 75.00
0. 0.0
0.0 **
33.2
VP-2
768.05
0.00
243.69
243.9 75.00
0. 0.0
0.0 **
** 33.2
N 0 D E R
E S U L T S
NODE
NODE
EXTERNAL
HYDRAULIC NODE
PRESSURE
NODE
NAME
TITLE
DEMAND
GRADE ELEVATION
HEAD
PRESSURE
(gpm)
(ft) (ft)
(ft)
(psi)
------------------------------------------------------------------------------
J-1
0.00
508.89 271.00
237.89
103.08
J-2
0.00
514.15 272.00
242.15
104.93
J-3
0.00
507.68 271.00
236.68
102.56
J-4
927.00
504.94 269.50
235.44
102.02
J-5
0.00
508.07 269.50
238.57
103.38
J-6
927.00
504.63 271.00
233.63
101.24
VP-1
----
515.04 270.00
245.04
106.18
VP-2
----
514.89 271.00
243.89
105.68
M A X I M U
M A N D M
I N
I M U M V
A L U E S
P R E S S U R E S
JUNCTION MAXIMUM
NUMBER PRESSURES
(psi)
---------------------
JUNCTION
MINIMUM
NUMBER
PRESSURES
---------------------
(psi)
VP-1
106.18
J-6
101.24
VP-2
105.68
J-4
102.02
J-2
104.93
J-3
102.56
J-5
103.38
J-1
103.08
V E L O C I T
I E S
PIPE
MAXIMUM
PIPE
MINIMUM
NUMBER
VELOCITY
NUMBER
VELOCITY
(ft/s)
(ft/s)
P-1
12.32
P-3
1.01
P-4
8.71
P-2
4.90
P-6
6.93
P-5
4.90
P-7
4.90
P-7
4.90
H L+ M L /
1 0 0 0
PIPE
MAXIMUM
PIPE
MINIMUM
NUMBER
HL+ML/1000
NUMBER
HL+ML/1000
(ft/ft)
---------------------
(ft/ft)
---------------------
P-1
92.90
P-3
0.65
P-4
48.91
P-2
12.05
P-6
22.89
P-5
12.05
P-7
12.05
P-7
12.05
H L / 1 0 0
0
PIPE
MAXIMUM
PIPE
MINIMUM
NUMBER
HL/1000
NUMBER
HL/1000
(ft/ft)
---------------------
(ft/ft)
---------------------
P-1
92.90
P-3
0.65
P-4
48.91
P-2
12.05
P-6
22.89
P-5
12.05
P-7
12.05
P-7
12.05
S U
M M A R Y O
F I N F L O W
S A
N D O U T
F L O W S
(+)
INFLOWS INTO THE SYSTEM FROM
SUPPLY
NODES
(-)
OUTFLOWS FROM
THE SYSTEM INTO
SUPPLY NODES
NODE
FLOWRATE
NODE
NAME
(gpm)
TITLE
--------------------------------------------
VP-1
1085.95
VP-2
768.05
NET
SYSTEM INFLOW
= 1854.00
NET
SYSTEM OUTFLOW = 0.00
NET
SYSTEM DEMAND
= 1854.00
***** HYDRAULIC ANALYSIS COMPLETED *****
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McCLURE & BROWNE, ENGINEERING/SURVEYING, INC.
1008 Woodaeek Dr., Sute 103 College Station, Tx. 77845 (979) 693-3838 Engineer Reg. No. F458
1314 10th Street, Suite 210 Huntsville, Tx. 77320 (936) 294-9749 Survey Reg. No. 101033-00
February 4, 2013
Ms. Erika Bridges, PE
City of College Station
Post Office Box 9960
College Station, TX 77842
Re.: FIRE FLOW
Falcon Point Condos
MBESI No. 1000-0243
Dear Ms. Bridges:
The purpose of this letter is to inform you that the proposed Falcon Point Condos project meets
the assumptions made in the water report for the Falcon Point subdivision. The proposed flow
and pressures will be adequate to serve this project.
Sincerely,
ii l
eft obe son, PE
Project Engine
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