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Sanitary Pipe Chemical Pickled & Passivation Procedure
1 Basis of scheme compilation .......................................... 
2 Working scope ............................................................ 
3 Cleaning process ......................................................... 
4 Cleaning process .......................................................... 
5 Waste liquor treatment ................................................. 
6 Condition supplied by the owner ...................................
7 Temporary tubing ........................................................
8 Test and accept ...........................................................
9 Security ......................................................................
Pipelines should be inspected in the overall perspective before cleaning and make sure that equipment material is in conformity with that listed in the scheme.