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 TB 55-1900-201-45/1
APPENDIX E
NOTES ON INSPECTION AND REPAIR OF STEEL HULLS*
SECTION I. Introduction
E-1. Purpose. The purpose of this Appendix is to provide information and factors to be considered when surveying Army
Watercraft for deterioration of hull plates and to summarize, in a general way, technical data and background pertaining
to the inspection and repair of steel vessels. This information is not intended to specify the degree of thoroughness of
any inspection which, of course, must be left to the inspector. Nor is it designed to be a substitute for the exercise of
good judgment in the solution of any particular repair problem. It is intended to serve the following purposes:
a. Summarize and consolidate technical information pertaining to the inspection and repair of steel vessels.
b. Promote uniformity in the approach to hull repair requirements among the various marine inspection offices.
SECTION II. General
E-2. The performance of an adequate inspection requires a knowledge of where to look and what to look for. With re-
spect to hull structure, the inspector is looking for deficiencies which may affect the strength or integrity of the hull to an
extent which would make it unseaworthy. The major categories of these deficiencies are as follows:
General or local
b. Hull Defects
c.
Hull Damage
Such as caused by grounding, collision, the employment of the vessel, etc.
E-3. While it is logical to expect more of these difficulties on the older vessels which have seen rough service, inspec-
tion of the newer vessels is also required, because some of these defects can occur even after a relatively short service.
These notes detail, in
*Prepared by the Merchant Marine Technical Division, U.S. Coast Guard, Washington, D.C., 1968 (Inclosure to Naviga-
tion and Vessel Inspection Circular No. 7-68).
E-1
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