3. PERT Chart For the following activities, draw the network diagram and calculate the expected time...

Transcribed Image Text:

3. PERT Chart For the following activities, draw the network diagram and calculate the expected time of completion of the activities and the project Code Activity ENA Earthworks, north abutment Earthworks, south abutment ESA CONN Construction, north abutment. CONS Construction, south abutment COMN Compaction, north abutment COMS Compaction, south abutment RNB RSB PB TD EB LBS ICB L Road, north of bridge Road, south of bridge Prefabricated bridge deck Transport deck to site Erect bridge deck Lay bridge surface Install crash barriers. Landscape Dependence / Predecessor ΕΝΑ ΕΝΑ ESA, CONN CONN CONS, COMN COMN RNB, COMS PB TD, CONN, CONS, COMN EB, RNB, RSB EB RNB, RSB 0 4 2 12 11 1 1 1 1 15 1 2 1 1 1 E 5 4 14 12 2 2 2 2 18 2 3 2 1 1 Р 7 5 15 14 3 3 3 3 21 4 4 422 3. PERT Chart For the following activities, draw the network diagram and calculate the expected time of completion of the activities and the project Code Activity ENA Earthworks, north abutment Earthworks, south abutment ESA CONN Construction, north abutment. CONS Construction, south abutment COMN Compaction, north abutment COMS Compaction, south abutment RNB RSB PB TD EB LBS ICB L Road, north of bridge Road, south of bridge Prefabricated bridge deck Transport deck to site Erect bridge deck Lay bridge surface Install crash barriers. Landscape Dependence / Predecessor ΕΝΑ ΕΝΑ ESA, CONN CONN CONS, COMN COMN RNB, COMS PB TD, CONN, CONS, COMN EB, RNB, RSB EB RNB, RSB 0 4 2 12 11 1 1 1 1 15 1 2 1 1 1 E 5 4 14 12 2 2 2 2 18 2 3 2 1 1 Р 7 5 15 14 3 3 3 3 21 4 4 422