15 A Click Submit to complete this assessment. estion 42 Excavation Work Length: 10 kilometer Duration: 10 days Lay Pipe Length: 10 kilometer Duration 10 days Refill earth work Length: 10 kilometer Duration: 10 days Figure 1.1: AON network for the installation of new pipes for 10 kilometers with a period of 30 days. Referring to the above Figure 1.1: Use the Laddering approach and divide each work to 4 segments (2.5 kilometerstal Humany day does the to fame este pris 20 days O 10 days 25 days 15 days SAMSUNG