HomeMy WebLinkAboutTOTAL DYNAMIC HEAD (TDH) CALCULATIONS WORKSHEETPROJE:CF NAME: PEREZ RESIDENTIAL POOL
PRO) ECTADDRESS: 12103 RIVERBEND RD. PORT ST. LUCIE. FL
TOTAL DYNAMIC HEAD (TDH) CALCULATION WORKSHEET
DETERMINE MAXIMUM FLOW RATE PER ANSI / ASPS-15 2013
FRICTION LOSS FOR 2
inch SUCTION PIPE PER ft AT
84
gpm = 0.10— -ft (PER TABLE)
FRICTION LOSS FOR 1.5
inch RETURN PIPE PER ft AT
63
gpm = 0.21 ft (PER TABLE)
90 ft. SUCT. PIPE X
0.10 ft HEAD / ft =
9
TDH FOR SUCT. PIPE
100 ft. RETURN PIPE X
0.21 ft HEAD / ft =
21
TDH FOR RETURN PIPE
TABLE: SMOOTH PIPE SCH 40 PVC / FLOW AND FRICTION LOSS PER FT
PIPE
DIAMETER
(in)
6 ft/sec
8 ft/sec
10 ft/sec
1
16
gpm
1 0.13
ft
22
gpm
0.23
ft
27
gpm
0.35
ft
1.5
38
gpm
0.08
ft
51
gpm
0.14
ft
63
gpm
0.21
ft
2
63
gpm
0.06
ft
84
gpm
0.10
ft
105
gpm
0.16
ft
2.5
90
gpm
0.05
ft
119
gpm
0.08
ft
149
gpm
0.13
ft
3
138
gpm
0.04
ft
184
gpm
0.07
ft
230
gpm
0.10
ft
4
238
gpm
0.03
ft
317
gpm
0.05
ft
397
gpm
0.07
ft
SCANNED
BY
St. Lucie County
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SIGNATURE /DATE SIGNATURE /DATE
CONTRACTOR: BENCHMARK ENGINEERING
CERT. # BOWDOIN G. HUTCHINSON P.E.
Sheet 2 of 3 CERT# 70878
PROJECT NAME:
PROJECT ADDRESS:
70
30
10 .
00
PEREZ RESIDENTIAL POOL
12103 RIVERBEND RD. PORT ST. LUCIE, FL
Mm%VS Ped00nmee Cwnpuism
—230V
=3M RPM
... _ _. ---fl5V
r3000 RPM
2400 RPM
s�1725 RFM '
Iwo RPM
TO 20 30 40 50 e0 m so �90
Raw (GPM) �f
TDH IN PIPING:
30.0
ft
FILTER LOSS IN TDH:
8.0
ft
HEATER LOSS IN TDH
2.4
ft
OTHER LOSSES IN TDH:
0.0
ft
TOTAL SIMPLIFIED TDH: 40.4 ft
NOTES:
1) PUMP OR HEATER MAKE / MODEL MAY NOT BE CHANGED
2) INSTALLATION SHALL COMPLY WITH MANUFACTURER'S IN
3) EQUIPMENT LOCATIONS MAY NOT BE CHANGED.
4) VARIABLE SPEED PUMP USE MAXIMUM FLOW IN CALCULAI
SIGNATURE / DATE
CONTRACTOR:
CERT. #
Sheet 3 of 3
SIG
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tR G. HUTC,h�//,/�i
s
878 Z
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BOWDOIN G. HUTCHINSON P.E.
CERT# 70878