SD-15 Guide For Performance SpecificationsThis document provides guidance information on performance specifications focusing primarily on stating requirements in performance terms and ensuring that sufficient verification means are included in the specification to evaluate conformance. While the focus of this document is on defense specifications developed under DoD 4120.24-M, Defense Standardization Program DSP Policies and Procedures, the principles and techniques can also be applied to program unique performance specifications, performance-based purchase descriptions, commercial item descriptions, or any other type of procurement specification. This guide is intended to supplement the format and content requirements for writing performance specifications found in MIL-STD-961, Defense and Program-Unique Specifications Format and Content.

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Performance Specification Guide SD-15

• Supportability

• Transportability

• Electromagnetic effects

• Human factor integration

The first step in developing any performance requirements is to understand the operational requirement thoroughly. Some basic questions to ask:

• Which requirements are minimum or threshold requirements?

• What is each threshold? The best way to gain this understanding is to be sure that the user is involved in developing the requirement.

• What constraints apply? All constraints governing operation or use must be addressed, such as natural and induced environments, interfaces with other systems or equipment, and operator and maintainer limits.

• Is the requirement necessary?

• Is the requirement achievable?

• Is the requirement verifiable?

• How will we verify the requirement?

• What type of testing will need to be performed?