Simply put, Lin Fei stepped out of his office and began to inspect the work site arranged for him by Cao Zian. Floors one through fifteen, as well as the parking area, were all within Lin Fei's jurisdiction.
Putting theory into practice always trumps armchair strategizing. Unaware until he saw for himself, Lin Fei was startled by the huge volume of work.
According to regulations, just at the entrance of the lobby on the first floor, there needed to be four security guards on duty. In reality, though, it meant eight guards to ensure shifts could be covered.
From floors one to fifteen, on average, every two floors required one security guard. The underground parking lot, at the very least, would need four guards to maintain shifts.
Roughly calculating, without twenty security guards, Lin Fei wouldn't be able to carry out the security work.
