Q 2. Schedule the precedence diagram for the following project. This problem is to be solved using MS Project program. Activity List for a Reroofing Project Activity Description 1 Mobilize Duration Days Predecessors 1 2 Set up scaffolding 2 3 Construct security barricades 1 4 Strip off old roofing 3 1 2 SS/1 2,3 5 Repair damaged decking 2 4 SS/1 6 Repair damaged cant strip 1 4,5 7 Replace sheet metal 1 5 SS/1 8 Install felt roofing 1 6,7 9 Hot mop roof 10 Inspect roofing 11 Call for inspection 2 1 1 8 9 10 SF/3 12 Remove scaffolding 13 Haul off roofing materials 2 10 2 6,7 1 12 FF/1, 13 FF/1 14 Demobilize "Under Predecessors, the following notation is used: x/#: Activity x must finish # days before this activity can begin. xSS/#: The # of days after activity x starts that this activity can begin. xFF/#: This activity cannot finish until # days after x is completed. XSF/#: This activity must finish # days before x can start.

Prepare a typical bay estimate based on the following information: a. Bay size of 350 feet and a building perimeter of 1,100 feet. b. There are 50 bays in the building. c. Unit prices: • Concrete piles: $950.00 each • Concrete pile caps: $725.00 each • Slab-on-grade: $12.50 per sq. ft. • Structural steel frame: $4.90 per sq. ft. • Roof structure: $10.75 per sq. ft. • Roofing: $8.20 per sq. ft. • Plumbing & HVAC: $9.80 per sq. ft. • Electrical: $6.10 per sq. ft. • Exterior foundations: $100.00 per linear ft. • Exterior walls: 728.00 per linear ft.