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Wegmans Fresh Bread and Roll Scaling Area Project Review II Erik Webster Kate Gleason Cecilia Enestrom Grant Garbach Andrew Tsai
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DMAIC Strategy Define 12/1/2008 – 12/19/2008 Measure 12/15/2008 – 1/16/2009 Analyze 1/16/2009 – 2/20/2009 Improve 2/20/2009 – 4/10/2009 Control 4/10/2009 – 5/15/2008 Project Timeline
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Customer Needs Assessment Customer Need DescriptionComments/Status 1.0Layout Design for the New Scaling Area 1.1 Area for short-term storage 1.2 Area for long-term storage 1.3 Relocate the scaling area near the short-term storage area 1.4 AutoCAD drawing of the improved layout 2.0Sifting and screening dry ingredients 2.1 Determine the appropriate sifting and screening equipment 2.2 Improve product quality by reducing contaminants 2.3 Maintain or decrease the process time 2.4 Maintain or improve process ergonomics 3.0Lean Process Improvements 3.1 Reduce process time 3.2 Reduce shrink 3.3 Determine the future inventory management strategy 3.4 Create necessary SOP documents 4.0Ergonomics Improvements 4.1 Reduce the manual lifting of buckets 4.2 Reduce the manual lifting and manipulating of 50-lb bags
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Engr. Spec. # Source: Customer Need Specification (description)Unit of Measure Marginal Value Ideal Value 1.0 Layout Specifications 1.1 Long-term storage areanumber of pallets69 1.2 Short-term storage areanumber of pallets4255 1.3 Transport distance from short-term storage to the scaling areaft<53.250 1.31.1, 1.2 Transport distance from short-term storage to long-term storageft373 2.0 Sifting and Screening Equipment Specifications 2.12.2 Foreign Material Reportscount/year<90 2.22.1 Composed of non-contaminating materialyes/noyesYes 2.32.1 Meets the necessary capacitybags/hour70 bags/hr95 bags/hr 2.42.3 Change in process time due to sifting and screeningminutes00 3.0 Process Improvement Specifications 3.1 Shift time for scaling operatorhours<10<8 3.33.2 Material loss per cyclelbs. 4.0 Ergonomics Specifications 4.14.1, 4.2 Manual Liftinglifting index<3.0<2.0 4.24.1, 4.2 Reported incidents% of count<4.6%0 4.34.1, 4.2 Cost incurred due to work related injuries% of $$$<21.32%0
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Ergonomics Background Information Lifting tasks pose a high risk of injury to the production employees 4.6% of injuries in the bakeshop can be attributed to the scaling operation Accounted for 9.6% of the total committed charges resulting from workplace injuries to the Bake Shop in 2008 Accounted for 21.32% of the total incurred costs resulting form workplace injuries to the Bake Shop in 2008 The scaling project aims to reduce these costs by eliminating or manipulating lifting tasks that are not ergonomically acceptable
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Objective and Methodology Calculate the NIOSH Index for each lifting task The NIOSH Index provides a guideline to evaluate potential lifting-related injuries that could result from the scaling operation Index >2.00 poses an increased risk of injury to less capable workers Index >3.00 poses a risk of injury to all workers
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Assumptions Asymmetry angle is zero The frequency of each task has no effect on the index The duration of each lifting task has no effect on the index The coupling for all lifts is “good”
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Results
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Ergonomic Specifications Ergo. Spec. # Lifting Task Specification DescriptionUnits Marginal Value Ideal Value 1.0Weight of bucket lifted from scale to shelving unit 1.1 Shelf 1lbs.<70 lbs.<51 lbs. 1.2 Shelf 2lbs.<50 lbs.<30 lbs. 1.3 Shelf 3lbs.<40 lbs.<20 lbs. 1.4 Shelf 4lbs.<40 lbs.<20 lbs. 2.0Weight of bucket lifted from scale to staging cartlbs.<70 lbs.<50 lbs. 3.0Origin height for bags lifted from pallets to staging cartin.2" to 42"12" to 16" 4.0Origin and destination height for bags lifted to equipment 4.1 Equipment (destination) heightin.36" 4.2 Origin heightIn.18" to 42"34" to 38"
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Customer Needs Area for short-term storage Area for long-term storage Relocate the scaling area into the current short-term storage room AutoCAD drawing of improved layout New process flow diagram New Layout & Process Improvement
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IngredientPeak Pallets Used5th Year5th Year Rounded Up Gran Sugar2.01072.6913.00 Vital Wheat Gluten4.78836.4087.00 Salt Superior3.68914.9375.00 DOH Conditn AA2.61893.5054.00 Breadmate3.11464.1685.00 DM1.33831.7912.00 Stay Soft W1.22551.6402.00 NF0.82391.1032.00 Buttermilk Blend0.68190.9131.00 Non-Fat Dry Pro (Promix)0.79881.0692.00 Dry Dimalt/Non Diastatic0.77231.0342.00 Specialty Stoneground7.898710.57011.00 Stoneground14.046618.79819.00 Yeast3.62184.8475.00 Omega 3 Powder0.11950.1601.00 12 Grain Blend0.74300.9941.00 Hearty Bread Base1.77322.3733.00 Canadian Oat Base0.68680.9191.00 Cinnamon0.01410.0191.00 White Rye Flour0.85151.1391.00 Dry Molasses0.24900.3331.00 IngredientPeak Pallets Used5th Year5th Year Rounded Up Ground Caraway0.06170.0831.00 EZ Sour0.12550.1681.00 Whole Caraway Seeds0.08590.1151.00 Watson Oat Bran Base0.46120.6171.00 EZ Potato Base1.81282.4261.00 Med Granulated Sugar0.48580.6501.00 Corn Sugar Solids0.30360.4061.00 Watson Lite White Base1.38621.8552.00 Soy Flour0.25090.3361.00 Watson Lite Wheat Base1.63772.1923.00 Watson Honey Bran Base1.78882.3943.00 Course Cracked Wheat0.31010.4151.00 Odessa Pump Base0.27790.3721.00 Caravan Rye 12 Base0.20270.2711.00 Seasoning (For seasoned stuffing bread)0.50000.6691.00 Ultra Grain5.28307.0708.00 Dakota Specialty0.46910.6281.00 EZ Kaiser Base0.83051.1112.00 Potato Base (Vandenburgh)0.50400.6741.00 Double Spice0.50000.6691.00 B&V Flavor0.01720.0231.00 Total : 114 pallets Bread and Roll Ingredients
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IngredientPeak Pallets Used 5th Year Rounded Up Subtracting the pallet in short term storage Stoneground14.04719.0016 Specialty Stoneground7.89911.0010 Ultra Grain5.2838.007 Vital Wheat Gluten4.7887.006 Yeast3.6225.004 Salt Superior3.6895.004 Breadmate3.1155.004 DOH Conditn AA2.6194.003 Watson Lite Wheat Base1.6383.002 Watson Honey Bran Base1.7893.002 Hearty Bread Base1.7733.002 Gran Sugar2.0113.002 Watson Lite White Base1.3862.001 Stay Soft W1.2252.001 Non-Fat Dry Pro (Promix)0.7992.001 NF0.8242.001 EZ Kaiser Base0.8312.001 Dry Dimalt/Non Diastatic0.7722.001 DM1.3382.001 Whole Caraway Seeds0.0861.000 White Rye Flour0.8511.000 Watson Oat Bran Base0.4611.000 IngredientPeak Pallets Used 5th Year Rounded Up Subtracting the pallet in short term storage Soy Flour0.2511.000 Seasoning (For seasoned stuffing bread)0.5001.000 Potato Base (Vandenburgh)0.5041.000 Omega 3 Powder0.1201.000 Odessa Pump Base0.2781.000 Med Granulated Sugar0.4861.000 Ground Caraway0.0621.000 EZ Sour0.1251.000 EZ Potato Base1.8131.000 Dry Molasses0.2491.000 Double Spice0.5001.000 Dakota Specialty0.4691.000 Course Cracked Wheat0.3101.000 Corn Sugar Solids0.3041.000 Cinnamon0.0141.000 Caravan Rye 12 Base0.2031.000 Canadian Oat Base0.6871.000 Buttermilk Blend0.6821.000 Brown Sugar0.3011.000 B&V Flavor0.0171.000 12 Grain Blend0.7431.000 Bread and Roll Ingredients Total : 69 pallets
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Long Term Storage Pallets per Rack: 2 deep, 2 high (3rd row not used for ingredients) = 4 pallets 69 pallets needed 69 / 4 = 17.25 = 18 racks needed
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Proposed Long Term Storage Location
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Distance: approx. 377.95 ft
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Forklift Distance Forklift Truck Speed: 5 mph (440 feet per minute) Distance to Long Term Storage: 4535.4 inches (377.95 feet) Calculation: 377.95 / 440 = 0.859 minutes ( ~51.5 seconds)
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Short Term Storage Area Considerations –New Inventory Management Strategy How much of each ingredient in short term storage How ingredients will be stored How they will be transported from long to short term storage How often they will be transported from long to short term storage
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Short Term Storage Area Conclusions: –Ingredients stay stored as pallets Keep current racking system Can transport easily with forklifts without any double handling of bags in long term storage area –Minimum storage requirement of 45 pallets in short term storage area Enough to stock at least 1 pallet of every ingredient and 3 of Stoneground
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Short Term Storage Area Layout Implications: –Pallets per rack: 2 per row, 2 rows (not using third one) = 4 pallets –45 pallets needed –45 / 4 = 11.2 = 12 racks needed
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Assigned Storage Locations
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IngredientLocations Stoneground 5A,5B, 6B Specialty Stoneground 6A Ultra Grain 7A Vital Wheat Gluten 8A Yeast 4A Salt Superior 3A Breadmate 2A DOH Conditn AA 1A Watson Lite Wheat Base 20A Watson Honey Bran Base 19A Hearty Bread Base 18A Gran Sugar 17A Watson Lite White Base 16A Stay Soft W 15A Non-Fat Dry Pro (Promix) 21A NF 22A EZ Kaiser Base 23A Dry Dimalt/Non Diastatic 24A DM 25A Whole Caraway Seeds 26A White Rye Flour 14A IngredientLocations Watson Oat Bran Base 13A Soy Flour 12A Potato Base (Vandenburgh) 11A Omega 3 Powder 1B Odessa Pump Base 2B Med Granulated Sugar 3B Ground Caraway 4B EZ Sour 7B EZ Potato Base 8B Dry Molasses 20B Double Spice 19B Seasoning (For seasoned stuffing bread) 18B Dakota Specialty 17B Course Cracked Wheat 16B Corn Sugar Solids 15B Cinnamon 21B Caravan Rye 12 Base 22B Canadian Oat Base 23B Buttermilk Blend 24B Brown Sugar 25B B&V Flavor 26B 12 Grain Blend 14B Short Term Ingredient Pallet Locations
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Restocking Schedule Results –Restocking schedule was created for the first 10 weeks using daily percentage of individual ingredient storage used AvgMaxMin Leveled # Pallets to Move12.471610 Original # Pallets to Move11.59245 # TripsRestocking Time (min) Minimum1021.44 Maximum1635.73
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Process Improvement Results –Restocking will take between 30 and 45 minutes every day –The maximum # of extra pallets due to leveling is 10, so the short term storage must have the capacity to store 55 pallets Will be stored on third shelf of racks –Moving bin area into short term storage eliminated the need for moving shelves No more ergonomic concern there
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Current Scaling Area: approx. 320” x 126”
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Current Process New Process
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Process Improvement Major implications: –Restocking must be done before scaling starts at 2pm –No dead time between end of preparation and receiving batch cards –At least 35 minutes of walking time will be eliminated
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Layout Design & Process Improvement Summary –Long term storage needs 18 racks –Short term storage area meets capacity requirements with bin area relocated into it –30 to 45 minutes of restocking with a forklift every day before 2pm –Eliminates: The worker’s walking and handling time by at least 45 minutes The need for the worker to lift heavy bins to and from high shelves
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Layout Design & Process Improvement Next Steps –Fitting the equipment into the short term storage area –Determining where the equipment fits into the process –Interfaces between purchasing, forklift operator, and the scaling workers
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Customer Needs for Sifting and Screening Dry Ingredients I.Determine the appropriate sifting and screening equipment. II.Improve product quality by reducing contaminants. III.Maintain or decrease the process time. IV.Maintain or improve process ergonomics.
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Specifications From Customer A.The equipment will use the 460 volts power source available at the Wegmans facility. This type of generic power source is the easiest to install in manufacturing facilities. B.The equipment will fit within a three-pallet size area to minimize the footprint to allow more room for short-term ingredient storage. C.The equipment will be mobile. This will allow the machine to be more adaptable for changing conditions. D.The equipment will meet OSHA standard for noise level under 85dB. E.The equipment should be washable and possible use of compressed air at 90 to 100 psi. F.The equipment will be able to handle the throughput of dry ingredients including the 5% annual growth rate for the next four years. G.The equipment will not have parts that will contaminate the product. H.Can be safely operated by workers without special protection. I.All parts are stainless steel food grade compatible. J.Screen size to be mesh 10. K.NEMA 4X approved electrical box
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Benchmarking Equipments for Alternate Equipment Selections Option 1: Company: Kemutec Powder Technologies Inc. Address: 130 Wharton Road, Bristol PA 19007 Telephone: (215) 788-8013 Model Number: K300C
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Benchmarking Equipments for Alternate Equipment Selections Option 2: Company: Rotex Address: 1230 Knowlton Street Cincinnati, OH 45223 Telephone: (513) 541-1236 Model Number: M2120
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Benchmarking Equipments for Alternate Equipment Selections Option 3: Company: Minox Elcan Address: 325 Waverly Avenue Mamaroneck, NY 10543 Phone: (914) 381-7500 Fax: (914) 381-8500 Model Number: SXE Round
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Customer Needs I: Selected Equipment Company: SWECO Sales Rep: Jonathan P. Ansley Direct: (585) 330-1754 Office: (585) 473-7848 Fax: (585) 473-2971 Model Number: MX48S88
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Customer Needs II: Improve Product Quality 8 incidents in the Foreign Material Report were the direct results of pieces of the ingredient bags found in the customer products. 1 incidents in the same report was the result of chipped wood from the pallet found in the customer product. The sifting and screening equipment will reduce foreign materials found in the customer products.
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Equations Used
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Calculations
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Testing at Wegmans
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Recommendation Sweco 48” Vibro-Energy Separator –Model MX48S88 Mesh 4 Screen Size –Capable of 8100lbs per hour –Assume density 45lbs/ft 3
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