Public Swimming Pool Hydraulic Analysis Worksheet - Georgia Department Of Public Health Page 5
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5Georgia Department of Public Health
,
Environmental Health Section
Public Swimming Pools, Spas and Recreational Waterparks Program
Total Dynamic Head Required:
Return Line Loss
=
ft.
(from page 4)
Filter Loss When Dirty
=
ft.
*(see below)
Skimmer Line Loss
=
ft.
(from page 5)
Heater Loss
=
ft.
(from manufacturer)
Other (Multiport valves, etc.)
=
ft.
(from manufacturer)
Total Loss
ft.
Pump Selection: (Submit Curve)
Make _______________________ Model ____________________, __________gpm @ _________ TDH
Backwash rate _________________gpm @ ____________ TDH**
Filter Selection:
Filter area required = ( Design flow rate
) = (
) = ____________________________
( Flow Rate per sq. ft.)
(
)
Flow rate per sq. ft. = (Hi rate = 15 gpm per sq. ft.- minimum 15 inch bed depth)
(Hi rate = 12 gpm per sq. ft. - less than 15 inch bed depth) (Sand = 5 gpm per sq. ft.)
(Cartridge = .3 gpm per sq. ft.) (Vacuum pre-coat = 2 gpm per sq. ft.)
(Continuous vacuum pre-coat = 2.5 gpm per sq. ft.) (Pressure pre-coat = 2 gpm per sq. ft.)
Cat. No. ______________________
Model ___________________________________________________
Filter Area ____________________sq. ft. No. Tanks ____________________ Size _____________________
Pump Specifications ____________ HP ____________ Cycle ____________ Phase________ Volt_______RPM
Pool Design Professional ___________________________________GA. License # _________________
Pool Contractor_______________________________________________________________________________
Approved & Checked By _______________________________________________
Date _________________
(Health Dept.)
* Cartridge Filter = 23.1 ft. Sand Filter = 34.7 ft. Pressure pre-coat = 57.8 ft. Vacuum pre-coat = 4.3 ft.
** Backwash TDH = TDH - Return Piping and Fixtures + Backwash Line Loss
Page 5 of 5
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