3　General Requirements

3.0.1　Rail tank car cleaning stations may be classified into independent rail tank car cleaning station and rail tank car cleaning station operated by enterprise based on their ownerships.

3.0.2　Rail tank car cleaning stations may be classified into large-size，mid-size and small-size rail tank car cleaning stations based on their cleaning capacities:

1　Large-size rail tank car cleaning station:it is capable of cleaning 8，000 or more tankers per year.

2　Mid-size rail tank car cleaning station:it is capable of cleaning more than 2，000 but less than 8，000 tankers per year.

3　Small-size rail tank car cleaning station:it is capable of cleaning less than 2，000 tankers per year.

3.0.3　Mechanical cleaning process or manual cleaning process may be selected for rail tank car cleaning station，and mechanical cleaning process should be employed for large-size and mid-size rail tank car cleaning stations.

3.0.4　Fixed cleaning equipment or mobile cleaning equipment may be selected for rail tank car cleaning station，and fixed cleaning equipment should be employed for large-size and mid-size rail tank car cleaning stations.

3.0.5　Cleaning facilities room should be provided in cold region or windy desert region，and cleaning facilities shed may be provided in other regions.

3.0.6　The design operating days of rail tank car cleaning station should be in compliance with the following requirements:

1　Cleaning for change-over:350 days per year；

2　Cleaning for maintenance:251 days per year.

3.0.7　Running shifts and operating hours for tanker cleaning should be designed in accordance with the following requirements:

1　Cleaning for change-over:2-4 running shifts per day，and 6h-8h per shift；

2　Cleaning for maintenance:1 running shift per day，and less than 8h per shift.

3.0.8　Operating time for cleaning of each tanker should be designed in compliance with the following requirements:

1　Special manual cleaning:180min per tanker，and general manual cleaning:110min per tanker；

2　Special mechanical cleaning:no more than 120min per tanker；and general mechanical cleaning:no more than 80min per tanker.

3.0.9　Telecom system shall be provided in rail tank car cleaning station.