Price up the concrete substructure system(s) you quantified in Exercise 6.4. How does the total system $/CY compare with a comparable system from the Dunn commercial project? Why might they be different?

Data from exercise 6.4

What is the cost/CY of our tilt-up example shown in Figure 11.2?

 Figure 11.2

Project: The Training Center Location: Kent, WA Arch./Engr.: LM Division 3 Concrete Code Description Tilt-up Wall Panels (30 EA): Prepare pouring slab 1 Form wall panels Reinforcing steel Embeds Hoisting anchors Purchase concrete Qty Assembly Check: /sf of panel = Wage Check: $/HR = 25,220 sf 6430 1f 33 tons 240 ea 240 ca 581 cy 581 cy 581 cy 25.220 sf 25,220 s ea ca/mo 30 Unit 90 2670 30 15 1 30 54 247 Pump concrete Place concrete Finish panels (steel trowel) Curing compound Hoist and set panels Braces Shims Grout 250-ton crane: in & out & mobilization Detail lift points Weld joints: L, M, & EQ Patch and sack panels 30 ca (1) Building SOG, includes cleaning, layout, and bond breaker City Construction Company Cost Recapitulation Sheet lb cf hr LS pnls If Checks? Yes Checks? Yes UMH Man 0.00 0.06 0.03 0.25 0.25 0.50 0.02 0.00 1.00 3.00 0.20 0.75 Hours 101 386 60 60 1 43 291 378 42 30 90 Wage Rate 35 4 45 4 4 1,482 41 41 41 35 35 40 34 34 21 43 23 34 Unit L Cost 0.14 2.46 1.16 10.25 10.25 17.50 0.51 0.06 40 102 3.58 25.50 Labor Cost 3,531 15,818 38 2,460 2,460 10,168 12,862 1,483 1,200 3,060 885 765 $54,729 Date: Estimator: Estimate #: Material/Equipment Unit Cost 0.05 1.50 1,200 25.00 22.25 120 15.00 0.15 12.00 1.65 125 480 10,500 75 5.13 August 18, 2021 P. Jacobs TTC-1 70 Cost 1,261 9,645 39,600 6,000 5,340 69,720 8,715 3,783 1,080 4,406 3,762 7,200 10,500 2,250 1,267 2,100 Total Cost $/SFP: $/HR: 4,792 25,463 39,638 8,460 7,800 69,720 8,715 10,168 12,862 5,266 1,200 1,080 4,406 6,822 7,200 10,500 2,250 2,152 2,865 $176,629 $231,358 $9.17 $36.93