Documenting clause 8.1 operational control

Answer:

Let us check clause 8.1 item by item.

About item a) – your company must have specifications for their products.
About item b) – your company must have process control specifications to allow process monitoring, less defects and more productivity and safety (for example, parameters for machine operation, like temperature, speed, pressure, …). Your company must have specifications for quality control of raw materials, intermediate and finished products.
About item c) – when designing and planning your production process, your company should ensure resources for the operations (people for production and quality control, equipment, materials, monitoring resources, …).
About item d) – most companies have process control plans and quality control plans that they implement
About item e) – your company must decid e what procedures and instructions will be needed and what forms it will use to record and evidence performance and results.

The following material will provide you information about control of documents:

ISO 9001 – New approach to document and record control in ISO 9001:2015 - https://advisera.com/9001academy/blog/2015/06/30/new-approach-to-document-and-record-control-in-iso-90012015/
free online training ISO 9001:2015 Foundations Course – https://advisera.com/training/iso-9001-foundations-course/
book - Discover ISO 9001:2015 Through Practical Examples - https://advisera.com/books/discover-iso-9001-2015-through-practical-examples/