DATA ITEM DESCRIPTION
Title: SHIP NOISE SURVEYS
Number: DI-HFAC-81977
Approval Date: 20150413
AMSC Number: N9530
Limitation: N/A
DTIC Applicable: No
GIDEP Applicable: No
Preparing Activity: SH
Project Number: HFAC-2015-014
Applicable Forms:
Use/relationship: The Ship Noise Surveys document the results of noise surveys that the
Contractor performs during Builder s Trials. The Surveys provide the procuring activity with the
information required to decide whether to accept the ship as is or to authorize additional design
modifications. In addition, the Surveys provide the Government with information needed to
adjudicate hearing loss claims.
a. This Data Item Description (DID) contains the format, content, and preparation
instructions for that data generated in response to applicable tasks of MIL-STD-1474 and
the contract statement of work.
b. This DID provides the procuring activity with the data that demonstrates whether the as-
built ship complies with specified noise performance requirements in the contract
specifications.
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 Ship Noise Surveys shall be prepared in the Contractor s format.
3. Content. The Ship Noise Surveys report shall contain the following sections:
a.
Title page with report (drawing) number,
b.
Executive summary,
c.
Table of contents,
d.
List of figures,
e.
List of tables,
f.
List of appendixes, if applicable
g.
Introduction,
h.
Body of report with subsections as needed, and
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