Это в названии самого документа и далее по тексту:
The purpose of this document is to list the free issue specifications applicable to the SUBCONTRACT.
APPLICABLE FREE ISSUE SPECIFICATIONS
Depending of their nature, specifications are identified as per the following categories:
1 – Project specifications: these are specifications issued specifically for the project. The hereunder list identifies the specifications which are currently available. After SUBCONTRACT award and as detailed design progresses, these specifications may be either revised or supplemented with specifications which will, upon issuance, become part of SUBCONTRACT.
2 – Analogical specifications: these are specifications issued at Call for Bid stage only; they will not be part of the future SUBCONTRACT.