Activity A B Description Purchase land Obtain building permits Predecessor Time (weeks) 7 A 3 C Hire Site Manager A 3 D Site Planning B 5 E Excavation of Land D 6 F Rent foundation digging equipment E 4 G Order concrete for foundations F 2 H Hire workers B 4 I Order site time clock H 4 J Hire subcontractors 10 K Order mobile office for site C 2 L Order office furniture for mobile office D, K 3 M Install mobile office on site L 8 N Purchase computer equipment for site C 6 Hire subcontractors for concrete pour G,R 7 P Order building materials (pre-made frames etc.) B 20 Q Final approval of city services B 4 R Pour concrete foundations Q 4 S Order windows and doors R, X 3 T Meet with town to discuss city services A 4 U Review and finalize house designs T 6 V W Construct sales office Hire sales people T 7 V X Send house designs to printers U 8 Y Z Hire marketing firm Design house plans B 6 Y 6