Final answer:
The ABSA documents for a consistent approach to inspection and servicing requirements are found in AB-506. This is essential for maintaining the safety and compliance of boilers and pressure vessels.
Step-by-step explanation:
ABSA documents that cover a consistent approach for establishing inspection and servicing requirements can be found in AB-506. This reference is part of the Alberta Boilers Safety Association's regulations and guidelines aimed at ensuring equipment safety and compliance. AB-506 is particularly relevant for individuals and organizations involved in the maintenance and inspection of boilers and pressure vessels.