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|  MIL-D-89009
4.
QUALITY ASSURANCE
4.1
Responsibility for inspection. Unless otherwise
specified in the contract or purchase order, the contractor is
responsible for the performance of all inspection requirements
(examinations and tests) as specified herein. Except as otherwise
specified in the contract or purchase order, the contractor may
use his own or any other facilities suitable for the performance
of the inspection requirements specified herein, unless
disapproved by the Government. The Government reserves the right
to perform any of the inspections set forth in this specification
where such inspections are deemed necessary to ensure supplies and
services conform to prescribed requirements.
4.1.1
Responsibility for compliance. All items shall meet
all requirements of Section 3. The accuracy reviews set forth in
this specification shall become a part of the contractor's overall
inspection system or quality program. The absence of any
inspection requirements in the specification shall not relieve the
contractor of the responsibility of ensuring that all products or
supplies submitted to the Government for acceptance comply with
all requirements of the contract.
4.1.2
Final product quality. Final product quality will
reflect the quality expressed by each applicable military
standard. A series of independent data quality inspections shall
be undertaken to ensure the quality of the DCW product. These
inspections are outlined below.
a. Pre-automation review. This review shall be performed
in the map preparation stage prior to automation.
During this process, cartographic staff connect
features, add missing features, or enhance data on ONC
film separates to facilitate optical scanning.
b. Cartographic accuracy review. This data review shall be
designed to identify errors in linework using both
positional accuracy and cartographic presentation
criteria. In most instances, data are subjected to
three review/edit cycles. In the roads thematic layer,
for example, the position of the (thinner) plotted line
is verified to fall within the position of the road on
the source ONC when visually checked.
c. Attribute code review. The attribute code review shall
consist of both automated and manual processes.
Attribute code frequencies are automatically tabulated
to identify invalid codes and unusual behavior in
attribute tables. Plots of the data shall then be
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