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Termite Job Calculations
(I Shouldn’t Have Slept Through Math Class)
Our Equipment. Your Success.www.QSpray.com
Andrew GreessNPMA SW Conference
Albuquerque, NM
January 2011
3 Warnings!
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#1 - This Subject is VERY Boring!
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#1 - This Subject is VERY Boring!Fortunately, I am not above pandering & bribes!
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#2 - Difficult to pick a level that works for everyone
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#2 - Difficult to pick a level that works for everyone
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-Too basic, lose the very experienced folks
#2 - Difficult to pick a level that works for everyone
Our Equipment. Your Success.www.QSpray.com
-Too basic, lose the very experienced folks
-Too advanced, lose the beginners
who really need help
#2 - Difficult to pick a level that works for everyone
Our Equipment. Your Success.www.QSpray.com
-Too basic, lose the very experienced folks
-Too advanced, lose the beginners
who really need help
Solution: Go with very basic version,
and ask the pro’s to help
#3 NM Dept of Ag - Cracking Down!mess up your calculations & you WILL be fined!
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#3 NM Dept of Ag - Cracking Down!mess up your calculations & you WILL be fined!
Our Equipment. Your Success.www.QSpray.com
- Graph Paper
- Accurate drawings & measurements
- Accurately show & describe infestations
- Calculated gallons must = actual gallons
#3 NM Dept of Ag - Cracking Down!mess up your calculations & you WILL be fined!
Our Equipment. Your Success.www.QSpray.com
- Graph Paper
- Accurate drawings & measurements
- Accurately show & describe infestations
- Calculated gallons must = actual gallons
Make it clear & easy for NMDA to understand what you did & why
Before We Crunch the Numbers:
- Share experiences
- Ask Questions
- Examples from Jack Root
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Not Talking about:
- Equipment calibration
- Mix Rates/Tank Mixes
- Application techniques
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Before you start applying termiticide, Be Prepared:
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- Graph Paper & Pencils
- Measuring Wheel (Univar Booth)
- Review sales quote
- Review mix already in tank
- Determine additional mix rate
- Determine construction type
- Read Label
Some Key Numbers:
- Horizontal Barrier
1 gallon/10 square feetexample: floor
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Some Key Numbers:
- Horizontal Barrier
1 gallon/10 square feetexample: floor
- Vertical Barrier
4 gallons/10 linear feet (per foot of depth)
examples: perimeters, control cracks, protrusions,
grade changes, bath traps, abutting slabs
(read your label)Our Equipment. Your Success.
www.QSpray.com
Example 1 - 2000 Sq Foot House
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40’
50’
Monolithic Slab
Pretreat Final Grade
Example 1 - 2000 Sq Foot House
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40’
50’
Monolithic Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet
2000 square feet = 200 gallons
10
Example 1 - 2000 Sq Foot House
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40’
50’
Monolithic Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet 40’ + 50’ + 40’ + 50’ = 180 lineal feet
2000 square feet = 200 gallons 180 lineal feet = 18 x 4 = 72 gallons
10 10
Example 1 - 2000 Sq Foot House
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40’
50’
Monolithic Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet 40’ + 50’ + 40’ + 50’ = 180 lineal feet
2000 square feet = 200 gallons 180 lineal feet = 18 x 4 = 72 gallons
10 10
Total = 200 + 72 = 272 gallons
Example 1 - 2000 Sq Foot House
40’
50’
Floating Slab
Pretreat Final Grade
Example 1 - 2000 Sq Foot House
40’
50’
Floating Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet
2000 square feet = 200 gallons, PLUS
10
Example 1 - 2000 Sq Foot House
40’
50’
Floating Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet
2000 square feet = 200 gallons, PLUS
10
40’ + 50’ + 40’ + 50’ = 180 lineal feet
180 lineal feet = 18 x 4 = 72 gallons
10
Example 1 - 2000 Sq Foot House
40’
50’
Floating Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet 40’ + 50’ + 40’ + 50’ = 180 lineal feet
2000 square feet = 200 gallons, PLUS 180 lineal feet = 18 x 4 = 72 gallons
10 10
40’ + 50’ + 40’ + 50’ = 180 lineal feet
180 lineal feet = 18 x 4 = 72 gallons
10
Example 1 - 2000 Sq Foot House
40’
50’
Floating Slab
Pretreat Final Grade
40’ x 50’ = 2000 square feet 40’ + 50’ + 40’ + 50’ = 180 lineal feet
2000 square feet = 200 gallons, PLUS 180 lineal feet = 18 x 4 = 72 gallons
10 10
40’ + 50’ + 40’ + 50’ = 180 lineal feet
180 lineal feet = 18 x 4 = 72 gallons
10
Total = ( 200 + 72 ) + 72 = 344 gallons
Example 1- 2000 Sq Foot House
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40’
50’
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
0 Interior Perimeter 72
72 Exterior Perimeter 72
272 gallons Total 344 gallons
Example 2 - 2000 Sq Foot House
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Protrusions
1’1’
1’ 2’
1’
1’1’
2’
1 + 1 + 1 + 1 = 4 Lineal feet 1 + 2 + 1 + 2 = 6 lineal feet
(bath) (kitchen)
Example 2 - 2000 Sq Foot House
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Protrusions
1’1’
1’ 2’
1’
1’1’
2’
1 + 1 + 1 + 1 = 4 Lineal feet 1 + 2 + 1 + 2 = 6 lineal feet
4 x 4 = 1.6 gallons 6 x 4 = 2.4 gallons
10 10
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
0 Interior Perimeter 72
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
0 Interior Perimeter 72
72 Exterior Perimeter 72
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
0 Interior Perimeter 72
72 Exterior Perimeter 72
2.4 Kitchen 2.4
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
0 Interior Perimeter 72
72 Exterior Perimeter 72
2.4 Kitchen 2.4
3.2 2 Baths 3.2
Example 2- 2000 Sq Foot House
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40’
50’
Protrusions
B
K BK = 6 lineal feet
B = 4 lineal x 2 = 8 lineal feet
Monolithic Slab Floating Slab
200 gallons Horizontal Barrier 200 gallons
0 Interior Perimeter 72
72 Exterior Perimeter 72
2.4 Kitchen 2.4
3.2 2 Baths 3.2
277.6 gallons Total 349.6 gallons
Example 3- House & Garage
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40’
50’
Protrusions &
Control CracksB
K B
20’
20’
Control Cracks
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Square Footage:
House 50’ x 40’ = 2000 sq. ft.
Garage 20’ x 20’ = 400 sq. ft.
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Horizontal Barrier:
House 50’ x 40’ = 2000 sq. ft.
Garage 20’ x 20’ = 400 sq. ft.
2400 sq ft = 240 gallons
10
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Interior Perimeter:
House 40 + 40 + 50 + 30 = 160
Garage 20 + 20 + 20 = 60
220 ft x 4 = 88 gallons
10
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Interior Perimeter:
House 40 + 40 + 50 + 30 = 160
Garage 20 + 20 + 20 = 60
220 ft x 4 = 88 gallons
10
Exterior Perimeter = 88 Gallons
(final grade)
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Penetrations:
Kitchen 2 + 2 + 1 + 1 = 6
Bath 1 + 1 + 1 + 1 = 4 x 2 =8
14 ft x 4 = 5.6 gallons
10
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Control Cracks:
House 40 lineal feet
Garage 20 lineal feet
40 + 20 ft x 4 = 24 gallons
10
Example 3- House & Garage
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40’
50’
Floating Slab
B
K B
20’
20’
Control Cracks
Recap:
Horizontal Barrier 240 gallons
Interior Perimeter 88
Exterior Perimeter 88
Plumbing 5.6
Control Cracks 24
Total: 445.6 gal
Example 4 - Geometric Shapes
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-Not every house is a perfect square
- We need to calculate areas & perimeters
Example 4 - Geometric Shapes
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Area = L x W
Perimeter = L + L + W + W
W
L
Example 4 - Geometric Shapes
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Area = 3.14 x r x r (π * r2)
Circumference – 3.14 x r x 2 (π * d)
r
Example 4 - Geometric Shapes
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Area = ½ B x H
Perimeter = S1 + S2 + S3
B
H
Example 4 - Geometric Shapes
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Area = (T + B)/2 x H
Perimeter = S + S + T + B
T
HS
B
Example 4 - Geometric ShapesArea = (T + B)/2 x H
Perimeter = S + S + T + B
T
HS
B
Trapezoid
Rectangle + 2 triangles
Example 4 - Geometric Shapes
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BA
Area = (A x B) x 3.14
Circumference – calculus
(fuggedaboutit)
Example 4 - Geometric Shapes
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Example 4 - Geometric Shapes
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Break complex shapes down
into smaller, bite-size chunks!
Example 5 - Sloping Grade
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.
30 lineal feet
3’ depth to footer
5’ depth to footer
Example 5 - Sloping Grade
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.
30 lineal feet
3’ depth to footer
5’ depth to footer
Average depth to footer = High end + Low end/2
(3’ + 5’)/2 = 4’ average depth to footer
Example 5 - Sloping Grade
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.
30 lineal feet
3’ depth to footer
5’ depth to footer
4’ average depth to footer
30 lineal feet x 4 = 12 gallons x 4’ average depth = 48 gallons
10
Example 5 - Sloping Grade
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.
30 lineal feet
3’ depth to footer
5’ depth to footer
Course aggregates may also require more termiticide
Remember, Preparation is Key
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- Graph Paper & Pencils
- Measuring Wheel
- Review sales quote
- Cheat Sheets
- Know construction style, label
- Ask for Help (no guessing)
More Info on Spray Equipment:
Our Equipment. Your Success.www.QSpray.com
Cheat Sheets: www.Qspray.com/termites
Pest Management Magazine articles
www.SprayEquipmentBlog.com
follow on Twitter & FB: Andrew Greess
Contact: info @ qspray.com or (800) 675-7485
Call us when you need sprayers/parts/advice
It is now safe to wake up!
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