The detail activity list for shell & tube heat exchanger cleaning and inspection work to be performed during shutdown period should be ready before develop schedule. The followings should be considered when you work out the activities, activity duration, manpower, tools and equipments requirement;
- Location of heat exchanger (To estimate scaffold Qty and lifting requirement)
- Pipe size
- Insulation type & thickness
- Shell & tube side flanges' size
- Tube bundle weight, length and tube size
- Design pressure on tube side & shell side
- Inspection requirements
