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“Lean and Green” Energy Savings
at Smithfield Manufacturing
Ron Smithfield, President
Smithfield Enterprises, Inc.
237 Kraft Street
Clarksville, TN June 13, 2013
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Where is Smithfield Manufacturing?
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Commercial & Military Nationwide
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60 Years in Clarksville
• 1952 Founded by Basil & Sue Smithfield
• 1988 Tennessee’s “Factory of the 90’s”
• 1989 started “Lean Manufacturing”
• 1999 Tornado destroyed half of plant
• 2000 BBB Torch Award for tornado recovery
• 2005, 2008 & 2011 ISO9001:2008 registered
• 2012 Green Certified
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What do Lean and Green have in common?
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What do Lean and Green Certification have in common?
1. Inputs (“Aspects”)
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What do Lean and Green Certification have in common?
1. Inputs (“Aspects”)
2. Outputs (“Impacts”)
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What do Lean and Green Certification have in common?
1. Inputs (“Aspects”)
2. Outputs (“Impacts”)
3. Goal: Minimize Waste (“3 R’s”)
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“Lean Thinking” • Lean =
1. right things
2. right place
3. right time
4. right quantity
5. minimize waste
6. Continuous improvement
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Raw material to finished part
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Machining component for Electronic Wheel Balancer
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Environmental Policy
1. Smithfield Manufacturing, Inc. will institute sustainable systems and measures to reduce waste & pollution .
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Environmental Policy
2. We will involve all of our team members in being environmentally responsible while providing quality components and services to our customers.
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SMI Goals within 12 months (July 2011)
1. Reduce Electricity $ by 10%
2. Recycle more Metal Scrap $ by 20%
3. Reduce Oil &Coolant Disposal $ by 20%
4. Reduce Packaging $ by 10%
5. Reduce Transportation $ by 10%
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Goal #1: Reduce Electricity $ by 10%
1. TVA audit – Replace 480 watt metal halide lights with 277 watt T-5 electronic fixtures- save 40%.
2. Set back thermostats for heating and cooling.
3. Turn off unused lights. Automatic lights for safety. Motion detecting switches.
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Before Lighting Project
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More efficient lighting + 40% savings
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Before
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After
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Lighting Project
• Pathway Lending, Nashville
• Application on line
• Terms: 5 years at 3% interest
• TVA study justified payback period < 5 years
• Installed by our maintence staff
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Saving electricity after hours
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Strips on overhead doors
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Green Certification Ribbon Cutting May 2012
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2012 Best Small Business Green Program
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Since Green Certification? 1. New high efficiency Air Compressor for
$700/mo savings
2. Replaced 20 yr old Heat Pump for office
3. Installed “Air Pears” to de-stratify heat
4. Replaced 2 old HVAC units with high efficiency American Standard units
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Compressed Air = Energy “Hog”
Before:
• 50 hp constant-running Air Compressor
• “Off-load” still used 60% power
After:
• 25 hp Variable Speed Air Compressor
• 40% of electricity (saving $700/month)
• Payback originally estimated at 4.5 years
• Actual payback about 3 years
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Air Compressor Estimated Savings 1st in Tennessee for Pathway Lending
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Variable Speed Air Compressor QGV Variable Speed Lubricated Rotary Screw Compressor Performance
0.0
20.0
40.0
60.0
80.0
100.0
120.0
0 20 40 60 80 100 120
Percent Capacity
Pe
rce
nt
Inp
ut
Po
we
r
% power input vs % capacity Ideal Compressor
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Before : 50 H.P. Screw Air Compressor
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Variable Speed Air Compressor
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Smart Air Compressor at only 8.6 h.p.
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Air Drier assures clean dry air
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38% savings Variable speed AC
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April 2013 vs April 2012
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2010 – 2013 Electricity Costs Year Electric Costs Demand costs Demand % Comments
2010 $53,988 $11,698 22 % Baseline
2011 $51,675 $9,094 18 % Started Green Certification
2012 $46,311 $7,587 16 % Hottest summer 28 yr
2013 (Jan-May)
$13,856 $819 6 % Before cooling season
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Heat Stratification (before)
• 10 -16 degree difference ceiling to floor
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“Air Pear” Thermal Equalizer
• Can project a column of air 50 ft.
Model 25 110 v. or 240 v.
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“Air Pear” Thermal Equalizer (after) • 1 – 2 degrees difference ceiling to floor
Our Results:
Team Members more comfortable & save heating cost
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Approved for 5 years at 3% interest.
Savings greater than the monthly payment
Payback now estimated at 4 years.
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• Tennessee companies only
• Energy savings evidence required
• Projects: lighting, HVAC, air compressors & solar
• Payback of 5 years or less at low (2%) rates
• Loan applications at www.pathwaylending.org
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1. Saving $700/month with “Smart” Air Compressor
2. Saving $300/month with high efficiency lighting
3. Reduced coolant disposal by 40%
4. Reusing surplus pallets from local companies
5. Developed water saving “Meter Yoke Vise”
6. Installed “Air Pears” to de-stratify heat
7. New high efficiency HVAC units in plant
Smithfield Manufacturing
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Energy efficiency in the office
1. Set-back thermostats
2. Replace T-12 with T-8 bulbs or T-5 fixtures
3. “Sleep mode” for computers during day
4. Turn off copiers, computers & power strips
5. Motion detectors to turn off lights
6. Double-sided printing
7. Reuse scrap paper on opposite side
8. Buy USA made products locally (if possible)
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Lessons Learned
1. Have TVA or CDE conduct an Energy Audit
2. Apply for rebates before starting work
3. Get Team Members involved in setting Goals
4. Make Goals simple but achievable
5. Post Results very month
6. Compressed Air is expensive!
7. Use Pathway Lending to finance energy projects
8. Customers appreciate Green effort
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Reduced Break-even = “Sustainability”
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“The worst form of WASTE is saying you can’t improve.”
James Womack, Lean Consultant
Question?
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The End Contact:
Ron Smithfield, President
Smithfield Enterprises, Inc.
237 Kraft Street
Clarksville, TN 37040-3003
(cell) 931-624-5132, (Office) 931-552-4327, (FAX) 931-648-4460
www.smithfieldmfg.com
Email: [email protected]