D2 (Step 2): Problem Description
Wang Wu's house was flooded, and all the items on the ground in his house were soaked in water (defective rate 100%). Such as straw mats, quilts, books, etc.
D3 (Step 3)- Temporary containment action (emergency or temporary countermeasures) 1. Work with team members to try to drain the water from home immediately. Person in charge: Zhang San
2. immediately pick up the items soaked in water and spread them on the balcony to dry. Person in charge: Li Si
D4 (Step 4)- Root Cause Analysis:
1. When I washed my face in the morning, I suddenly answered the phone call from home, and then forgot to turn off the water, resulting in the cabin being flooded.
2. The sewer outlet is too small and covered with a net cover. Small pieces of rotten vegetables stuck to the grid yesterday, which caused the sewage to flow slowly. Over time, a lot of water that was not discharged in time flooded the hut.
Analyst: Wu Wang Audit: Wu Wang's wife
D5 (Step 5)-Make permanent countermeasures (i.e. long-term countermeasures).
1. Remove the grille cover of the sewer outlet to expand the outlet and avoid flooding.
Person in charge: Estimated completion time of Wu Wang: 2007-**-**
D6 (Step 6)- Implement/Confirm Post-Certification Activities
1. After the actual operation of Wangwu, after the sewer outlet was enlarged, the small cabbage leaves stopped sticking to the outlet, blocking the outflow of wastewater. And even if the faucet is turned on to the maximum, water can still flow out of the sewer outlet in time.
It is now confirmed that this permanent countermeasure is effective and has been implemented. Verifier: Wu Wang.
D7 (Step 7)- Prevent recurrence (i.e. take preventive measures)
1. Be sure to check whether the faucet is turned off before going to work in the morning.
2. When washing vegetables in the future, be sure to throw the rotten leaves into the garbage basket and clean up the ground.
You can't bring your mobile phone when you wash your face in the morning. In the process of washing your face, you can't answer the phone even if it rings. You can't answer the phone until you wash it.
Person in charge: Estimated completion time of Wu Wang: 2007-**-**
D8 (Step 8)-Close the case and congratulate:
This problem has been thoroughly dealt with, and the case can be closed. This evening, I invited Zhang San, Li Si and Wang Wu's wife to Maojia Hotel to celebrate the team's victory.
After eight steps, even if the whole treatment process is completely clear and complete, the cause of the problem is found, the corresponding measures come out, and the problem is solved, it can be guaranteed that this kind of thing will not happen again in the future.