SDI Visual Inspection Procedure (VIP)

30.8  Required  Equipment
The following  equipment  is  the  minimum  required  per  inspection group while performing the visual inspection procedure.

1.  A right angle mirror with a magnification of 2 times, and having a diameter small enough to enter the cylinder neck
2.  An inspection light of sufficient size and intensity to illuminate the mirror and threads being inspected
3.  A light wand or other light source to illuminate the interior surfaces of the cylinder being inspected
4.  A straight and right angle pick and pit reference gauge to estimate the depth of any pitting noted on the cylinder walls

30.9  Approved  Outline
Instructors may use any additional text or materials that they feel help present  these  topics.  Recommended  text  includes  the  current  CGA C6and C6.1, or country specific equivalent. The following topics must be covered The SDI Visual Inspection Procedures  Student Manual is mandatory for use during  this  course.
1.  Purpose a.  Legal requirements, standards of the community
2.  Safe  Handling  of  Cylinders
     a.  Fill  station  operator  rules  and  recommendations
     b.  Identification of the various cylinder markings
     c.  Legal / illegal filling requirements
     d.  Filling procedures
3.  Tools and their uses
4.  Visual inspection indications
     a.  Proper identification of the various defect conditions
5.  Criteria for rejection and condemnation of a cylinder
     a.  Define the criteria for cylinder rejection
     b.  Define the criteria for condemning a cylinder
6.  Other  services
     a.  Valve inspection and cleaning
     b.  Compressor  operations
     c.  oxygen  cleaning
7. The basis for cylinder cleaning
8.  Visual Inspection Procedure
     a.  Step by step walk-through of the inspection process

30.10  Required  Skill  Performance  and  Graduation Requirements
The student is required to display a degree of competency in the identification of various defect conditions presented to him by the instructor  using  actual  cylinders  with  known  defective  conditions
1.  Inspect a cylinder during the program
2.  Satisfactorily complete the SDI Visual Inspection written examination with a score of at least 80%
3.  Demonstrate the ability to identify those conditions in a cylinder that would reject or condemn it