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Public Swimming Pool Hydraulic Analysis Worksheet - Georgia Department Of Public Health Page 2

Georgia Department of Public Health

Environmental Health Section

Public Swimming Pools, Spas and Recreational Waterparks Program

IV.

Pipe Size Selection

A. Skimmer Line Size:

Select pipe size which gives max. 6’ fps velocity at skimmer flow rate.

No. Skimmers

Branch 1

Branch 2

Branch 3

Branch 4

Served by Pipe ________

_______ __

_________

Pipe Size

________

_______ __

_________

Flow in Pipe

________

_______ __

_________

Velocity (fps)

________

________ __

_______ __

__________

(Indicate which chart used for velocity numbers) ____________________

B. Return Line Size:

Select pipe size and branches, which gives max. 8 fps velocity at design flow rate.

No. inlets

Branch 1

Branch 2

Branch 3

Branch 4

served by pipe _______

________

Pipe Size

________

Flow in pipe _______

________

Velocity (fps) _______

________

(Indicate which chart used for velocity numbers) ______________

V. Main Drain Pipe and (Suction) Outlet Covers Selection

Main Drain Size:

Select pipe size which gives max. 6 fps velocity at highest flow rate on the pump curve.

Pipe size _______

Max. Pump Flowrate _________Velocity (fps) _____

1,2

B. Pipe Cover

Max.Pump

# of Covers

Flowrate/Cover*

(Capacity)

Size Size (each)

flow (gpm)

(Q=Max. flow/N-1)

(All Covers)

Frame & Grate Cat. No. ___________ Quant.___________

1. Use the pump’s maximum flow rate from the pump curve to obtain flowrate/cover.

2. If therapy flow is through these covers, this flow must also be figured into all calculations.

*Covers meet APSP-16

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Public Swimming Pool Hydraulic Analysis Worksheet - Georgia Department Of Public Health Page 2

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