7 Newport Holdings Case Table 91.10 The tasks, task order and task times required to construct the new assembly line Task Description Order/dependency Duration study A Dismantle old line Must be done first 3 days Retrain staff Must follow A 15 day C Position lifting gear Must follow A 2 days D Remove roof panels Must follow A 2 days wport Holdings manufactures 1 m Lower in new plant Must follow D 2 days ectronic components for domestic Replace roof panels Must follow C and E 3 days G Install new plant Must follow F 11 days pliances. The company has received H Test run Must follow B and G 3 days me large orders recently after a 1 Safety checks Must follow H 2 days uccessful sales drive. However, to crease capacity and improve productivity it must replace the entire assembly line with up to date technology. The directors are keen go ahead with the investment, but are worried about the disruption that will be caused. During the nstruction of the new assembly line production will be zero. The company can hold up to 30 days of ocks so the new line must be up and running within one month. If the new line isn't ready, Newport oldings will lose approximately $200,000 per day. This will be unacceptable to the directors. EQUIRED Draw up a critical path diagram using the information above. (6 marks) (e) How will the construction time be b) For the activities required to install the affected if task B is delayed by 4 days? new technology, calculate the (i) earliest (2 marks) start times (ESTs) and (ii) the latest finish (f) Evaluate two advantages and two times (LFTs). ( 4 marks) disadvantages to Newport Holdings of Identify the critical path on the network using critical path analysis. (8 marks) diagram