DATA ITEM DESCRIPTION
Title: ENGINEERING DRAWING TREE
Number: DI-DRPR-81961B Approval Date: 20201116
AMSC Number: F10204 Limitation: N/A
DTIC Applicable: No GIDEP Applicable: No
Preparing Activity: 11 (AFLCMC/EZSC) Project Number: DRPR-2020-007
Applicable Forms: N/A
Use/Relationship: The Engineering Drawing
Tree identifies the interrelationships of
engineering design data and associated lists that comprise the total engineering Technical Data
Package (TDP) for each system, subsystem, and component configuration. The Engineering
Drawing Tree also aids in the control and development of design data in the overall project.
a. This Data Item Description (DID) contains the format, content, and intended use information
for an Engineering Drawing Tree resulting from the work task described by 5.14.5 of MIL-STD-
31000, Technical Data Packages. (Copies of this document are available online at
https://quicksearch.dla.mil.)
b. This DID supersedes DI-DRPR-81961A.
Requirements:
1. Reference documents. The applicable issue of the documents cited herein, including their
approval dates and dates of any applicable amendments, notices, and revisions, shall be as
specified in the contract.
2. Format. The Engineering Drawing Tree shall be structured in top-down breakdown order,
down to the lowest component or piece part.
Each artifact of design data included on the
Engineering Drawing Tree shall be shown as an individual block or as an individual entry on
the indentured list. Each authorized variation in configuration of the system, subsystem, and
component shall be identified by a separate tree. The Engineering Drawing Tree shall be either
in a block diagram format or an indentured parts list format as specified in the contract.
2.1 Page one, or its equivalent, shall show the top level system block diagram, depicting the
system’s subsystems or major assemblies, and shall serve
as an index for the detailed
Engineering Drawing Tree that follows.
2.2 The Engineering Drawing Tree shall be in the native format. The Data Objects/Attributes
and Associated Metadata (DOAM) listing shall be in a Microsoft Excel spreadsheet format in
accordance with the template provided in the DOAM Specification attached to the contract. All
data shall be in the English language. The final Engineering Drawing Tree
outstanding changes incorporated into the data.
3. Content. The Engineering Drawing Tree shall identify
all system, subsystem, and
component design data to be delivered as part of the TDP and the design data previously
delivered that are applicable to the current program. The Engineering Drawing T
clearly indicate Configuration Items (CIs) and Computer Software Configuration Items (CSCIs).
The Engineering Drawing Tree shall also include design data as specified in 3.1.18 and 3.1.40
of MIL-STD-31000 to include: models, 3-Dimensional Intelligent (3Di) viewable, engineering
drawings, associated lists, specifications, standards, quality assurance provisions, packaging
details, commercial drawings, computer software documentation, and Vendor Item Control
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