Assignment $2$

CM $394$ Construction Planning and Scheduling

ABC Construction Company has the opportunity of constructing a pump station and three sewage stabilization ponds to be located outside of Greensboro City. The Company Scheduling Department has prepared the following list of activities for the project, showing their immediate successors:

$\backslash$table$[[$Activity$,$Description,Succersors,Durati$],[100,$Mobilization,$210,310,400,610,3],[121,$Start Pump Station,$220,1],[22,$Construct Pump Station,$230,12],[,$Complete Pump Station,$240,2],[,$Start Up Pump Systems,$999,1],[,$Clear and Grub Site,$320,34,4],[322,$Excavate Pond $1,324,5],[24,$Shape Pond $1,328,7],[328,$Treat$/$Dress Pond $1,332,9],[3),$Test Pond $1,999,2],[$on$,$Excavate Pond $2,344,3],[44,$Shape Pond $2,348,5],[,$Treat$/$Dress Pond $2,352,8],[1,$Test Pond $2,999,2],[,$Excavate Pond $3,364,],[64,$Shape Pond $3,368,500,],[$en$,$Treat$/$Dress Pond $3,372,7],[,$Test Pond $3,999,2],[00,$Force Main,$440,11],[$N$,$Test Force Main,$460,17],[,$Tie In Force Main,$999,],[,$Pond Overflow Structure,$999,10],[,$Roadway Preparation,$620,5],[,$Construct Base and Pave Road,$999,],[,$Clean Up and Demobilize,None,$]]$

The Department manager is asking you, a scheduler, to do the following calculation:

Based on the hand$-$draw precedence diagram $($AON$)$ you did in the Assignment $1,$ manually calculate DS$,$ DF$,$ LS$,$ LF$,$ TF$,$ and FF for each activity. $(70\%)$

Indicate the project duration and critical path$($s$)$ on the AON network. $(10\%+20\%)$