TM 5-818-4/AFM 88-5, Chap. 5
a. USE FOR INITIAL TEST OF BACKFILL
b. USE FOR RETEST OF BACKFILL
AT RANDOM LOCATION
AT RANDOM LOCATION
NOTE: 95=SPECIFIED MINIMUM ACCEPTABLE PERCENT
OF CE 55 MAXIMUM DRY DENSITY
Figure 7-1. Acceptance Rejection Scheme for a Backfill Area.
Contracting Officer that work required or performed
portance of their reports and the need for thorough
was not in accordance with the contract. Recorded
reporting. Records should be made on every test per-
data are also beneficial in improving knowledge and
formed in the laboratory and in the field. All informa-
practices for future work. The basic documents of the
tion necessary to clearly define the locations at which
construction record are the plans and specifications,
field tests are made should be presented. In the daily
modifications adopted that were considered to come
reports, inspection personnel should include informa-
within the terms of the contract, amendments to the
tion concerning progress, adequacy of the work per-
contract such as extra work orders or orders for
formed, and retesting of areas requiring additional
change, results of tests, and measurements of work
work to meet specifications. These daily reports could
performed. The amount of reporting required varies
be of vital importance in subsequent actions. It is good
according to the importance and magnitude of the
practice for the inspection personnel to keep a daily
earthwork construction phase of the project and the
diary in which are recorded the work area, work ac-
degree of available engineering supervision. The forms
complished, test results, weather conditions, pertinent
to be used should be carefully planned in advance, and
conversations with the contractor, and instructions re-
the inspection personnel should be apprised of the im-
ceived and given.
7-8
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