Order of Precedence for Reference Documents

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The supplier shall adhere to the instructions and reference documents included in the purchase order.


In case of discrepancy between reference documents, normally, the following order of precedence is observed:

  1. Contract, Specific Conditions
  2. Contract, General Conditions
  3. Basis of Design (B O D)
  4. Documents that require deviation to be approved by Client including Design Criteria, Philosophies, PFDs, Plot Plans
  5. Documents that require deviation to be approved by Principal Contractor including Specifications,  drawings.


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