S cubic feet A Math Tutorial For Prospective CPO Students
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A Math Tutorial For Prospective
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BTU
CPO
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or FR = FA x FMR
?Tropical Aquatics Pool Education, Inc. 2012
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Getting Ready For
the CPO? Class
am
r
You will have to know basic things like:
og
r
P
l
a
? Square Foot C A square that is 12 inches wide nand 12 inches long.
io
Square Foot is abbreviated (sq.ft.).
t
a
c
? Cubic Foot C A square foot that has a depth
du of 12 inches.
E
Cubic Foot is abbreviated (cu.ft.). s
ic of 3.28 feet.
t
? Meter C One meter is the equivalent
a
u
q
Number of meters x 3.28 = number
of feet
A
l
a
? Yard C One Yard is the equivalent
of 3 feet.
c
i
p
Number of yards x 3ro
= number of feet
T
? One cubic foot of water
A contains 7.5 gallons (gal)
Number of Cubic Feet x 7.5 = number of gallons
page i
?Tropical Aquatics Marketing, Inc. 2010
Topics
Area
Depth
Volume
Gallons
q
A
l
a
User oLoad
pic
Tr
A
it cs
ua
?Tropical Aquatics Pool Education, Inc. 2012
am
r
g
o
r
P
Heater
Sizing
l
a
n
it o Turnover Rate
ca
u
Ed
Flow Rate
Filter Area
Media Rate
page ii
Area
Knowing how to calculate area is important for determining
amheat loss, sizing pool
r
covers, bather loads in spas, and in some states, bather loads
og in pools.
r
P
al
n
io
t
a
c
u
Ed
Things to know
Area of a square or rectangle:
Area (A) = Length (L) x Width (W)
The x is a way to indicate the word(s) multiply
or times.
s
c
i
t
The formula is simplified as: A = L xaW
Area of a circle:
Area (A) = x r2
A
page 1
l
a
c
i
p
o
Tr
u
q
A
?Tropical Aquatics Marketing, Inc. 2010
The is a constant number 3.14.
The r stands for radius which is the distance from the center of the circle to the
outer edge of the circle. The radius is ? of the diameter. am
r
g
r2 means radius squared, or simply r times r.
ro
P
The formula is better understood if written as: A = a3.14
l xrxr
Width = 35 feet
n
o
i
t
Examples:
a
c
u
d
(1) You have a pool with a length of 60 feet
and a width of 35 feet.
E
What is the area?
ics
t
Length = 60 feet
The formula is A = L x W qua
L (Length) = 60 ft, W (Width)
l A = 35 ft
a
ic
A=LxW
p
o
A = 60 ft x 35 ft Tr
A
A = 2,100 ft2
?Tropical Aquatics Pool Education, Inc. 2012
page 2
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