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SCM FINAL REVIEW

supply chain management

QuestionAnswer
TYPES OF LAYOUTS fixed position office layout retail stores warehouse layout functionally-oriented/job shop layout product-oreinted/assembly line layout group technology/cellular manufacturing layout
FIXED POSITION LAYOUT Large projects such as construction of buildings equipment and workers are moved to the project
OFFICE LAYOUT group workers and equipment for flow of information. ex. most classrooms on 1st floor and starbucks on 2nd (bauer)
RETAIL STORES emphasis is on MAXIMIZING CUSTOMER EXPOSURE TO PRODUCTS sales correlate with the exposure to products
WAREHOUSE LAYOUT TRADE-OFF BETWEEN SPACE AND MATERIAL HANDLING
FUNCTIONALLY-ORIENTED/JOB SHOP LAYOUT MINIMIZE the material handling cost or DISTANCE TRAVELED
PRODUCT-ORIENTED/ ASSEMBLY LINE LAYOUT BALANCE THE TASKS AMONG WORK STATIONS ONO THE ASSEMBLY LINE AND THUS MINIMIZE THE IDLE TIME, PRODUCTION COSTS AND MAXIMIZIE EFFIECIENY
GROUP TECHNOLOGY/ CELLULAR MANUFACTURING LAYOUT breaking jp process clusters into work cells such that EACH WORK CELL MAKES A FAMILY OF PRODUCTS
CRITERIA TO EVALUATE THE LAYOUT OF JOB-SHOP LOAD: the degree of interaction b/t departments DISTANCE: distance b/t each pair of locations (vertical or horizontal)
HEURISTIC METHOD method of grouping departments with heavy interactions b/t them close to each other in a rank ordered manner
REVERSE LOGISTICS the flow of used products and returnable packaging back through the network
SYSTEMS APPROACH views the process as integrated; decision at one point in the network can ripple throughout the system and impact subsequent points in the network
PIPELINES intermodal freight transport: uses multiple modes of transportation containerazation: allows for the efficient interface and transfer of cargo, which results in faster deliver and lower total logistics costs
CROSS-DOCKING avoids the placement of incoming merchandise into storage by processing items fro outbound shipment as they are received reduces inventory/distribuiton/warehouse costs reduce lead time use POS
TRANSSHIPMENT made b/t different facilities at the same level in the supply
KEY ELEMENTS OF CLOSED-LOOP SUPPLY CHAIN used product collection reverse logistics distribution
SHADOW (DUAL) PRICE equal to the benefits you would obtain if you had more than one unit of that resource maximum amt. you would pay to purchase one resource
VENDOR MANAGED INVENTORY (VMI) suppler is responsible for maintaing the inventory of the buyer
POINT OF SALE (POS) an advanced IT that allow for continuos communication b/t pos, suppliers and warehouses
FUNCTIONS OF INVENTORY -meet anticipated CUSTOMER DMANDS -decouple SUPPLIERS FORM PRODUCTION AND PRODUCTION FROM DISTIBUTION quantitiy discounts -inflation and upward price changes protect against dlivery vriations due to adverse conditions
ECONOMIC ORDER QUANTITY (EOQ) gives the optimum lot size for a given set of costs.
3 KEY INVENTORY MANAGAEMENT QUESTIONS WHAT TO ORDER HOW MUCH TO ORDER WHEN TO ORDER
CYLE INVETORY Cycle inventory: holding inventory save on set-up , transportation cost, & advantage of quantity discounts Average = Q/2
TYPES OF INVENTORY CLYCLE SAFTETY STOCK PIPELINE
REORDER POINT under the deterministic world: ROP'S FORMULA EQUALS ONLY AT LT and supply -"probabilistic - safety stock must be introduced into the equation
PERIODIC REVIEW SYSTEM review times are fixed while order quanties varyaccording to the inventory positioin
REORDER POINT SYSTEM the inventory position is monitored continuously
VALID LP CONSTRAINT having more than two decision variables makes it much more difficult to calulate the values ofor the allowable increase or allowable decrease for all resources
ASSUMPTIONS OF EOQ demand is constant relevant costs are known and constant no quantity discounts LT for the receipt of orders is constant no shortages allowed
SAFETY STOCK EQUATION SS = ZX(ÓDLT) SS = ZX STANDARD DEVIATION OF DEMAND DURING LEAD TIME
ROP = DEMAND DURING LT - (DEMAND PER PERIOD) X (# OF PERIODS INT HE LT) ROP = DLT(AVG) + Z[Ó X √(LT)]
Created by: hanksb
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