MT382's Unit 4 estimate frames the gym wall choice as a masonry cavity wall at 953,920 dollars against panels over a split-face base at 766,176 with columns. Searches like "mt 382 unit 4 assignment example", "mt382 unit 4 sample" and "mt382 unit 4 example" land here.
What a finished MT382 Unit 4 assemblies estimate looks like
UNIFORMAT II element B2010, exterior walls, organizes the seven pages. A quantity page gives the gym's wall: 460 linear feet of perimeter at 32 feet to the parapet, 14,720 square feet gross, 640 of openings, 14,080 net. Two assembly sheets follow, each listing components per square foot of wall. Option A: 12-inch grouted and reinforced block at 24.60, two inches of polyiso at 4.15, fluid-applied barrier at 3.40, brick veneer at 31.80, flashing and sealants, and interior paint, 67.75 in all. Option B: three-inch insulated metal panel at 29.40, girts, a ten-foot split-face base, trim and an interior impact liner, 48.45. A comparison table adds sixteen wind columns to B at 5,250 dollars each and lists duration, insulation value and upkeep.
How a MT382 Unit 4 example is structured
Each option is priced as a complete system per square foot of wall, then extended by the same net area, so the comparison never mixes a component price with a system price. Structural consequences ride on the option that causes them: panels cannot bear roof joists the way reinforced block can, so option B receives sixteen columns and the paper says where they sit. Duration is reported but not monetized. Block backup occupies about 52 crew days at the productivity the next unit builds, panels about 18, and 34 days of general conditions would be worth 134,300 dollars only if the gym walls drive the critical path, a question left for the schedule. Performance follows: about R-13 of continuous insulation for A against roughly R-21 for B, with impact resistance at the base for both. The recommendation favors B on cost and states the two conditions that would reverse it.
One wall, measured once
Four hundred sixty feet of perimeter at 32 feet gives 14,720 gross square feet, and openings remove 640. Both options extend over the same 14,080 net, so area never tilts the comparison.
Masonry priced as a system
Block with grout and reinforcing, insulation, barrier, brick, flashing and interior paint total 67.75 dollars a square foot. The block also carries the roof joists, so option A needs no added steel.
Panels priced as a system
Panel, girts, a ten-foot split-face base, trim and an impact liner inside total 48.45. Sixteen wind columns at 5,250 dollars each follow, because the panels carry no structural load.
Days reported, not priced
Block backup needs about 52 crew days against 18 for panels. That saving is worth 134,300 dollars of general conditions only if the walls prove critical, which the schedule must confirm.
Two conditions that would flip it
The district's facilities staff must accept panel repair after impact damage, and the structural engineer must confirm column sizes. If either fails, masonry's 187,744-dollar premium buys a sturdier wall.
Where marks go in MT382 Unit 4
Assembly comparisons are graded on whether the two options are priced on equal terms. Mixing a system price for one option with a component list for the other, or extending them over different areas, undoes the comparison before it starts. Consequential costs are the frequent omission: a wall that cannot bear load needs framing somewhere, and leaving that out flatters the lighter system. Schedule savings added as money without checking whether the work is critical overstate the case. Rates with no stated basis, or a basis in a different city and year from the estimate, invite correction. Performance differences such as insulation value and durability belong in the comparison, since an owner chooses a wall and not merely a price. A recommendation offered without conditions leaves the owner unaware of what would change it.
Get a MT382 Unit 4 example written to your instructions
If your Unit 4 prompt compares walls or roofs, send the options it names, the areas or drawings, any course cost data and the rubric. The first assemblies estimate costs nothing and arrives within 24-48h, both systems priced on the same net area, consequential costs included, and the recommendation stated with its conditions.
MT382 Unit 4 questions, answered
What is an assemblies estimate?
An estimate that prices building systems, such as a complete exterior wall or roof, per unit of area rather than item by item. It suits schematic design, when systems are chosen but details are not yet drawn. Grouping costs under UNIFORMAT II elements makes design options easy to compare and to carry into later estimates.
Should schedule savings be added to the cheaper option?
Only if the saved days shorten the project. Faster wall construction is worth general conditions money when the walls sit on the critical path; otherwise the time is float. State the saving in days and let the schedule decide whether it becomes dollars, as the sample does.
How many options should be compared?
Usually the number the prompt sets, commonly two or three. More options add pages without adding judgment unless each represents a genuinely different approach. Whatever the number, price them on identical areas, at matching depth and in the same dollars, so the comparison stays fair and the owner can see what separates them.