A) Utilizing another case study project, prepare a work package for direct labor for a system of work such as concrete foundations, CIP concrete walls, tilt-up concrete walls, or SOG. Attach the original portion of the estimate that refers to this work package. 

B) As an alternate to a separate case study project, the following quantity and man-hour columns can be used as a baseline estimate. Assume a three-person crew working for four months from start to completion for all of these activities:

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Excavation: Formwork: Reinforcement steel or mesh: Concrete placement: Slab finish: 2 x 6 wall framing: Estimated quantities 100 CY 5,500 SF 30 Tons 400 CY 35,000 SF 33 MBF Estimated hours 100 550 300 200 350 500