Text in force at CAR3-14: from CAR3-0, effective 1 Nov 1949. OCR text
(a) Where visual inspection only is to be employed, the variability factor shall be 2.0.
(b) The variability factor may be reduced to 1.25 for ultimate loads and 1.15 for limit loads when at least three sample castings are tested to show compliance with these factors, and all sample and production castings are visually and radiographically inspected in accordance with an approved inspection specification.
(c) Other inspection procedures and variability factors may be used if found satisfactory by the Administrator.