| Course | MT281 Fundamentals of Construction Management |
|---|---|
| Unit | Unit 2 |
| Paper type | Delivery method comparison |
| Length | About 1,130 words, 7 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | BS in Business Administration |
| Updated | October 2026 |
Free sample paper for MT281 Unit 2
Three Ways to Build Station 2: A Unit 2 Delivery Method Comparison for a Township Fire Station
[Student Name]
Purdue University Global
MT281: Fundamentals of Construction Management
Unit 2 Delivery Method Comparison
[Instructor Name]
[Date]
The township, Station 2, its site, budget and every score are composite and illustrative; the sources cited are real.
The Project
Station 2 is a planned 12,864-square-foot fire station for a composite township: three drive-through apparatus bays covering 5,376 square feet and a living wing of 7,488 square feet with bunk rooms, a kitchen, offices and a training room. The construction budget is $6.9 million, set by a bond the voters approved. Geotechnical borings found about two feet of soft clay beneath the apparatus bay, where fire engines weighing up to 40,000 pounds will park. The township's lease on the current Station 2 building ends in a little under two years, and the landlord will not extend it.
The township must choose how to deliver the project. Each method changes who holds which contract, when the price becomes known and who answers for a design error. Halpin et al. (2017) describe delivery method selection as one of the owner's most consequential early decisions, because it fixes the relationships every later decision runs through. Konchar and Sanvido (1998), comparing hundreds of U.S. building projects, found that design-build projects tended to finish faster and with less cost growth than design-bid-build, with construction management at risk in between, but that the right choice depends on the owner's priorities and capabilities.
Design-Bid-Build
The township hires an architect to complete the design, then advertises the finished drawings for bids and awards the construction contract to the lowest responsible bidder. The architect and contractor each have a separate contract with the township and none with each other. The price becomes known only at bid opening, after design is complete. If the drawings contain an error, the township stands behind its architect's design to the contractor and seeks recovery from the architect. Design-bid-build gives the township the most control over design and fits its usual public procurement rules, but it is the slowest method, because construction cannot start until design and bidding are finished.
Construction Management at Risk
The township hires an architect and, early in design, a construction manager selected on qualifications and fees. The construction manager advises on cost, constructability and schedule during design, then guarantees a maximum price and takes on the construction contract, usually bidding out trade packages. The price becomes known when the guaranteed maximum price is set, typically at about 60 to 90 percent of design. Design errors remain the township's responsibility through its architect, but the construction manager's early review should catch more of them.
Design-Build
The township hires a single design-builder to both design and build the station under one contract. The price is usually set early, often from preliminary design, and the design-builder answers for design errors. Design-build is the fastest method, because design and construction overlap, but the township gives up much of its control over design details, and in some states a township may use it only with specific statutory authority.
The Weighted Matrix
Five criteria were chosen from the township's situation and weighted by importance.
Cost certainty before the bond sale, 25 percent: the bond must be sized before construction starts
Design control, 20 percent: the fire chief wants a say in bay layout, decontamination areas and living quarters
Soil risk, 20 percent: the soft clay must be addressed in design and priced fairly
Procurement fit, 20 percent: the method must be one the township can legally use and administer
Schedule, 15 percent: the station must open before the lease ends
Scores run from one, poor, to five, strong, and were assigned by the township's facilities coordinator and reviewed by the fire chief.
Design-bid-build: cost certainty 3, design control 5, soil risk 3, procurement fit 4, schedule 2; weighted total 3.45
Construction management at risk: cost certainty 4, design control 4, soil risk 4, procurement fit 3, schedule 3; weighted total 3.65
Design-build: cost certainty 4, design control 2, soil risk 2, procurement fit 3, schedule 5; weighted total 3.15
Construction management at risk scores highest on soil risk because the construction manager can review the geotechnical design during design development, before price is fixed. Design-build scores lowest on soil risk because a design-builder pricing early from limited borings will either add a large contingency or seek a change order later.
The Soil Question Under Each Method
The soft clay deserves its own discussion because it is the project's largest known technical risk. Under design-bid-build, the architect's geotechnical consultant designs an undercut and replacement, bidders price it, and any difference between the borings and the actual ground becomes a change order under the contract's concealed conditions clause. Under construction management at risk, the construction manager can recommend more borings during design, help choose between undercutting and a structural slab, and build a realistic allowance into the guaranteed maximum price. Under design-build, the design-builder carries soil risk only if the contract says so; many design-build contracts for public owners shift unknown soil conditions back to the owner, which would leave the township with design-build's loss of design control and design-bid-build's soil exposure.
Risks of the Recommended Method
Construction management at risk carries its own risks. The guaranteed maximum price can include contingencies the township cannot easily inspect, and disputes over what the guarantee covers are common. The township has never used the method and will need an owner's representative or its architect to review the construction manager's pricing. These costs are modest compared with the soil and schedule exposure the method reduces, but they are real.
Duration
Estimated durations from authorization to occupancy are 22.5 months for design-bid-build, 19.5 months for construction management at risk and 17 months for design-build. The lease ends in about 23 months, so design-bid-build leaves almost no margin.
The winning method leads by two-tenths of a point, and the paper says so.
Recommendation
The paper recommends construction management at risk, with a margin of only 0.20 over design-bid-build. The margin is narrow, and small changes in weights would reverse it: if the township valued design control at 30 percent and procurement fit at 25, with cost certainty at 20, soil risk at 15 and schedule at 10, design-bid-build would win, 3.75 to 3.65. The recommendation therefore carries two conditions. First, the township's solicitor must confirm that state law permits a township to use construction management at risk for a public building. Second, the township must commit to selecting the construction manager on qualifications early in design, since the method's advantage depends on early involvement. Molenaar et al. (1999) found that public owners' results with alternative methods depended heavily on how carefully they ran the selection.
References
Halpin, D. W., Lucko, G., & Senior, B. A. (2017). Construction management (5th ed.). Wiley.
Konchar, M., & Sanvido, V. (1998). Comparison of U.S. project delivery systems. Journal of Construction Engineering and Management, 124(6), 435-444. https://doi.org/10.1061/(ASCE)0733-9364(1998)124:6(435)
Molenaar, K. R., Songer, A. D., & Barash, M. (1999). Public-sector design/build evaluation and performance. Journal of Management in Engineering, 15(2), 54-62. https://doi.org/10.1061/(ASCE)0742-597X(1999)15:2(54)
What the MT281 Unit 2 assignment asks for
Unit 2 asks students to compare project delivery methods for a specific project and recommend one. Begin with the project's facts that matter to the choice, such as budget, schedule pressure, site risk and the owner's legal and administrative limits. Profile each method in the same terms: who holds which contract, when price becomes known and who is responsible for design errors. A weighted scoring matrix makes the comparison transparent, but the weights must come from the project's priorities. Show which change in weights would flip the winner, and attach conditions to the recommendation, such as confirming that state law permits the method. Seven pages with a matrix and a duration table, citing research on delivery method performance, is typical.
Inside the MT281 Unit 2 example
The comparison opens with Station 2's size, budget, soft clay and lease deadline, citing Konchar and Sanvido and Halpin and colleagues. Each method gets a page on contracts, price timing and design responsibility, under a margin note on three consistent axes. The weighted matrix lists five criteria and each method's scores and totals. A section examines the soft clay under each method, explaining why early contractor input scores well and design-build's soil clauses score poorly. Risks of the recommended method follow. A duration table compares 22.5, 19.5 and 17 months against the lease, with the highlighted line about a two-tenths margin. The recommendation names construction management at risk, shows a reweighting that reverses it and sets two conditions, with Molenaar and colleagues, under a final note.
Where the points sit in the MT281 Unit 2 rubric
Delivery method comparisons are marked on accurate descriptions of each method, criteria drawn from the project, a transparent matrix and an honest recommendation. Profiling every method on the same axes earns more than separate essays about each. Instructors reward weights that the writer justifies from the owner's situation and scores explained where they are not obvious. Testing the result's sensitivity, by showing which weights would change the winner, shows rigor. Attention to legal limits on public procurement, which vary by state, demonstrates realism. Conditions attached to the recommendation show the writer knows what could make it wrong. Accurate figures, a clear duration comparison and citations to delivery research complete the rubric.
MT281 Unit 2 help from the desk
Students often recommend the method that sounds most modern without tying it to the project's facts. Another frequent problem is a scoring matrix with weights that appear from nowhere, or scores that favor the chosen method without explanation. Some papers confuse construction management at risk with agency construction management, which carries no price guarantee. Others ignore whether a public owner may legally use the method. Check that weighted totals are computed correctly. Send your project's budget, schedule and risks, and a writer can profile the methods, build the matrix and show how the weights affect the answer.
Get an MT281 Unit 2 example written to your instructions
Delivery-method prompts differ in who the owner is and what it fears. Pass along the Unit 2 instructions and rubric with the project facts your scenario gives, such as budget, site and deadline, and mention whether a weighted matrix is required. Design risk gets traced under each method in the free first comparison, due in 24-48h, and the recommendation's conditions are stated. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
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MT281 Unit 2 questions, answered
Is construction management at risk the same as agency construction management?
No. An agency construction manager advises the owner for a fee and holds no trade contracts, so it carries no price risk. At risk, the construction manager holds the trade contracts and commits to a guaranteed maximum price, absorbing overruns above it apart from owner changes. The sample defines both in one paragraph, because confusing them undercuts the whole comparison.
Why does design risk matter so much?
Because it decides who pays when the drawings are wrong. Where the owner hires the designer separately, the owner generally warrants the design to the builder, so errors become owner change orders. In design-build that duty sits with the design-builder. A comparison that skips this leaves out the difference owners most often feel in money, long after the method was chosen.
Can a public owner simply choose any method?
Often not. Many states restrict public owners to low-bid procurement unless a statute authorizes alternatives, and some allow them only above a size threshold or with approvals. Check what your scenario says about the owner and its state. The sample flags the question for the township's solicitor and shows what the recommendation becomes if the answer is no.
Where can I find a free MT281 Unit 2 sample paper?
This page carries the complete MT281 Unit 2 delivery method comparison. It weighs design-bid-build, construction management at risk and design-build for a township fire station and recommends one by a narrow, stated margin.
How narrow is the recommendation in the MT281 Unit 2 sample?
Construction management at risk leads design-bid-build by 0.20 points. Raising design control to 30 percent and procurement fit to 25 would reverse the result, 3.75 to 3.65, which is why the recommendation carries conditions.