| Course | OPS 410 Logistics Management (OPS/410) |
|---|---|
| Week | 3 |
| Paper type | Warehousing and distribution analysis |
| Length | about 1,030 words, 4 double-spaced pages plus title page and references |
| Format | APA 7 student paper |
| School | University of Phoenix |
| Program | BS in Business |
| Updated | October 2026 |
Free sample paper for OPS 410 Week 3
Nine Yards Holding Every Color: Rethinking Warehousing and Distribution for a Roofing Supply Network
[Student Name]
University of Phoenix
OPS/410: Logistics Management
Week 3 Assignment
[Instructor Name]
[Date]
Gulf Coast Roofing Supply, its branches, inventories and figures are composites written for a model paper.
Gulf Coast Roofing Supply, the composite roofing distributor followed in OPS 410, runs nine branches between Corpus Christi and Lake Charles. Each branch is a combination of warehouse, outdoor yard and sales counter, and each tries to stock every product the company sells, about 3,500 items. Week 1 found that perfect orders suffer mainly when a branch lacks a requested shingle color. Week 2 moved some inbound shingle volume to rail through Houston. This paper examines whether the network and the branches themselves are designed for the service the company has promised.
What the Branches Do
Gu et al. (2007) reviewed research on warehouse operations and described the core functions as receiving, storage, order picking and shipping, with order picking typically the most labor-intensive and costly. Gulf Coast's branches perform all four and also serve as customer counters and truck bases. Shingles are stored outdoors on pallets in the yard, under tarps when needed; accessories and fasteners are stored indoors on racks.
The Current Network and Its Cost
Holding every item at every branch keeps delivery distances short but multiplies inventory. Inventory across the network is about $28 million. Fast-moving colors and accessories account for most sales, but about 40 slow-moving shingle colors, each selling a few bundles a week per branch, together tie up about $5.6 million, much of it as safety stock that rarely moves. Despite that investment, branches still run out of slow colors, because each branch holds only a few pallets and a single large order empties them.
The Inventory Effect of Consolidation
Maister (1976) described the square root relationship: when safety stock is held to cover independent demand uncertainty at several locations, pooling it into fewer locations shrinks the total by about the square root of the old count of locations divided by the new count. If safety stock for the 40 slow colors were held at one hub instead of nine branches, it would fall to about the square root of one-ninth, or one-third, of today's level. Safety stock is about $1.6 million of the $5.6 million in slow colors; consolidation would cut it to about $0.55 million, freeing about $1.1 million. Cycle stock would also fall because the hub could order full truckloads of slow colors less often for the whole network rather than partial loads for each branch.
A Hub-and-Branch Design
Houston becomes the hub for slow-moving colors and less common accessories. Branches keep fast-moving colors, the top 20 or so per branch, plus all fasteners and common accessories. A nightly shuttle truck from Houston to each branch, or to pairs of nearby branches, carries slow-color orders taken by the 2 p.m. cutoff, so they are on the branch yard by 5 a.m. for the morning's deliveries. Shuttle cost is about $640,000 a year, below the carrying cost saved on the freed inventory plus the cost of stockouts avoided.
The slowest colors cost the most to stock everywhere and the least to stock in one place.
Inside the Branch: Layout and Slotting
Branch yards grew without a plan. At the Beaumont branch, the team mapped where each color sits and how far forklifts travel per pick. The most popular color, a weathered wood shade, sat at the far end of the yard because it had arrived during an early stock build. Re-slotting by velocity places the top ten colors nearest the loading lanes, groups colors by manufacturer to simplify receiving and moves heavy underlayment rolls near the conveyor truck bay. Estimated forklift travel per order fell from about 410 feet to 260 feet, about a third, in a two-week trial, raising picks per forklift-hour by about a fifth.
Cross-Docking at the Hub
Manufacturers ship full truckloads, but many smaller branches cannot use a full load of one color. Apte and Viswanathan (2000) described cross-docking as moving goods from inbound to outbound transportation with minimal storage and discussed conditions under which it improves distribution efficiency, such as stable demand and good information. Truckloads arriving at Houston with mixed destinations will be unloaded and reloaded directly onto shuttles without being put away. This reduces handling and lets branches receive smaller, more frequent replenishments.
Receiving and Returns
Two flows are often overlooked. Receiving at branches is slow because drivers wait for a forklift while counter sales take priority; scheduling inbound trucks into fixed morning and early afternoon windows lets one forklift operator focus on unloading. Returns of unused bundles, about 6 percent of shipped volume, pile up in a corner of each yard and are often damaged by weather before they are restocked. A returns lane near the loading area, inspection within two days and restocking or transfer to the hub would recover most of their value.
People and Safety
Yards are hazardous: forklifts carrying 3,000-pound pallets share space with counter customers' pickup trucks. The new layout separates customer pickup from the forklift lanes with painted walkways and a pickup bay, and travel reductions from re-slotting also reduce the number of forklift movements near people.
Information and Measures
A warehouse management system in each branch would track locations, guide pickers and record shuttle receipts; until then, slot maps and barcode scanning on handheld devices will be used. Measures: inventory turns by branch and for the hub, perfect order rate by branch, stockouts of colors, forklift travel per order, picks per labor hour and shuttle on-time arrival.
Risks
Centralizing slow colors makes branches dependent on the nightly shuttle; a breakdown would delay slow-color orders. A spare truck and a backup carrier are part of the plan. Storm surges may overwhelm the hub, so branches nearest an affected area may temporarily stock more slow colors during declared surges.
Conclusion
Gulf Coast's practice of holding every color at every branch ties up money in slow items while still causing stockouts. A hub-and-branch design that pools slow colors at Houston, justified by the square root relationship, frees about $1.1 million in safety stock and, with nightly shuttles, keeps branch service intact. Inside branches, velocity-based slotting cuts forklift travel by about a third, and cross-docking at the hub turns full manufacturer loads into frequent branch replenishments.
References
Apte, U. M., & Viswanathan, S. (2000). Effective cross docking for improving distribution efficiencies. International Journal of Logistics Research and Applications, 3(3), 291-302. https://doi.org/10.1080/713682769
Gu, J., Goetschalckx, M., & McGinnis, L. F. (2007). Research on warehouse operation: A comprehensive review. European Journal of Operational Research, 177(1), 1-21. https://doi.org/10.1016/j.ejor.2006.02.025
Maister, D. H. (1976). Centralisation of inventories and the "square root law." International Journal of Physical Distribution, 6(3), 124-134. https://doi.org/10.1108/eb014366
What the OPS 410 Week 3 instructions ask
The third OPS 410 assignment typically has students study how a company stores and moves its goods. Expect questions on what warehouses are for, centralized versus decentralized networks, the effect of the number of facilities on inventory and transportation costs, warehouse layout and slotting, material handling, cross-docking, warehouse management systems and performance measures. Some versions include a calculation, such as the inventory effect of consolidation. Work with a real network or a believable composite, show the trade-offs with numbers and support the analysis with warehousing and distribution research cited in APA, linking each recommendation to service or cost.
How this OPS 410 Week 3 example is built
Our model starts with a network in which every branch stocks about 3,500 items, including dozens of slow-moving shingle colors that sell a few bundles a week. It explains the trade-off between more facilities, which shorten delivery distances, and fewer, which pool inventory. Using the square root relationship, centralizing 40 slow colors at the Houston branch as a hub would cut their safety stock by about two-thirds, freeing about $1.1 million, with next-morning shuttle trucks keeping branch service intact. Branch yards are re-slotted so fast-moving colors sit nearest the loading area, travel distances are measured before and after and manufacturer truckloads bound for several branches are cross-docked at the hub. Measures complete the paper.
OPS 410 Week 3 grading rubric: where the points go
Graders of this paper reward analysis that connects network design to warehouse operations. Strong submissions explain the roles warehouses play, analyze centralization versus decentralization with numbers, including the inventory effect of consolidation, and weigh it against transportation and service. Credit goes to practical layout and slotting improvements, to appropriate use of cross-docking and to measures of warehouse performance. Research on warehouse operations and distribution supports the analysis, especially on consolidation and picking. Recommendations should respect the service standards set earlier in the course. Graders also look for a sense of what could go wrong with the new design and how the company would cope. A logical structure, clear calculations and careful APA citations complete the paper.
OPS 410 Week 3 help: mistakes to avoid
Papers on warehousing often discuss layout without considering the network, or the network without operations. Address both. Another frequent issue is recommending centralization for everything; fast movers usually belong close to customers, while slow movers are the best candidates to pool. Split by velocity. Students also forget the transportation cost and delay that centralization adds; show how shuttles or transfers would work. Slotting recommendations often lack measures; estimate travel distance or picks per hour before and after. Finally, connect the design to service standards, since a cheaper network that misses delivery windows is not an improvement, and show how customers would experience the change. A tutor can check your square root calculation if you are unsure.
Related OPS 410 sample papers
Other OPS 410 week samples
- OPS 410 Week 1: Logistics and Customer Service
- OPS 410 Week 2: Transportation Modes and Carriers
- OPS 410 Week 4: Forecasting and Inventory Policy
- OPS 410 Week 5: Logistics Improvement Plan
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OPS 410 Week 3 questions, answered
What does OPS 410 Week 3 usually cover?
It usually covers warehousing and distribution: warehouse roles, centralized versus decentralized networks, inventory effects of consolidation, layout and slotting, cross-docking and warehouse performance measures.
Where can I find a free OPS 410 Week 3 sample paper?
The Week 3 paper above redesigns warehousing and distribution for a roofing supply network, with a consolidation calculation; it is free to read.
What is the square root law in inventory?
A rule of thumb that total safety stock in a network grows roughly with the square root of the number of stocking locations, so consolidating stock reduces it, assuming demands are independent.
What is slotting in a warehouse?
Assigning items to storage locations based on factors such as how often they are picked, their size and weight, so that frequently picked items are easiest to reach.
What is cross-docking?
Moving incoming goods directly from receiving to outbound shipping with little or no storage, often to split inbound loads among several destinations.
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