| | Activity | Description | (Atanassov) Intuitionistic fuzzy activity duration |
| | 1-2 | Inspection of boiler by boiler engineer and preparation of list of parts to be replaced | (12, 14, 16, 18); (10, 15, 16, 18) | | 1-3 | Placing the order and purchasing | (4, 10, 14, 18); (6, 10, 12, 14) | | 1-4 | Dismantling of the defective parts from the boiler | (8, 16, 20, 24); (9, 13, 15, 17) | | 2-6 | Preparation of necessary instruction for repairs | (5, 10, 15, 20); (12, 14, 15, 17) | | 3-5 | Repairing parts in the workshop | (12, 13, 15, 18); (16, 18, 20, 22) | | 4-5 | Installation of the repaired parts | (6, 10, 16, 24); (1, 2, 5, 7) | | 4-6 | Inspection | (13, 15, 17, 20); (11, 15, 18, 19) | | 5-6 | Trail run | (5, 7, 9, 15); (6, 10, 12, 14) |
|
|
