Q.7 (a) Explain the Line of Balance Technique (LOB) of planning and scheduling. In what types of projects is this technique suitable? (3 marks) b) The construction of a housing project involves the activities given in Table Q.7. The contract is for the construction of twelve houses in 60 days. The man hours for each activity and the crew size/house are also given. Prepare an LOB schedule for the contract. Assume a minimum buffer time of one day and six 8 hours day per week. What is the overall duration and when will the first team of roof leave the site. Table Q.7 Team Activity Description Man-hours Predecessors size/section 4 10 100 Substructure 20 10 Superstructure 200 8 30 Roof 20 4 40 Carpenter 30 90 50 Plumber 30 45 3 60 Electrician 30 40 3 70 Plaster 40,50,60 120 8 80 Final fix 70 350 24 60 + tummo 17monlco Q.7 (a) Explain the Line of Balance Technique (LOB) of planning and scheduling. In what types of projects is this technique suitable? (3 marks) b) The construction of a housing project involves the activities given in Table Q.7. The contract is for the construction of twelve houses in 60 days. The man hours for each activity and the crew size/house are also given. Prepare an LOB schedule for the contract. Assume a minimum buffer time of one day and six 8 hours day per week. What is the overall duration and when will the first team of roof leave the site. Table Q.7 Team Activity Description Man-hours Predecessors size/section 4 10 100 Substructure 20 10 Superstructure 200 8 30 Roof 20 4 40 Carpenter 30 90 50 Plumber 30 45 3 60 Electrician 30 40 3 70 Plaster 40,50,60 120 8 80 Final fix 70 350 24 60 + tummo 17monlco