APPENDIX A
REPORT OF SIELD TRIP
A.l
GENERAL
T. O. Stark of the Office of the Chiet of Engineers and John ©, Archer of Massachusetts
Institute of Technology arrived at Entwetok Atoll on Aug. 16, 1953, and left Aug. 26, 1953.
Secticn A.2 congists of excerpts {rom a letter report on the ‘ield trip wriiien by Stark to the
Chief, Engineering Division, Office of the Chief of Engineers.
A.2)
EXCERPTS FROM REPORT OF FIELD TRIP
A.
Purpose of Trip
To accompilsh a physical damage survey of the multi-otory Army teat structure, to examine
other structures and items for damage which would provide data of military oe technical intorest, and
to evaluate or suggesi structural modifications nvcessary to conduct a {ure program of blast and
displacement measurements.
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Observation and Activities
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Cm “uesday, ib Augast, we proceedcd to Engebt JANET) a min of avout 2 nours. The survey was
begun -.nmediately and consisted of establishing a bese line aad measuring offsets [rom ex! sting
“ramcet” pins on vertical panels and, wan to the vertical plane extrSiished. This provides «
seluuve measurement of deflection from basco ten of wall, doe level was set up on the root and souls
were Lacen on 41 rows of 7 ‘‘ra:r.set”® pins each,
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General Deseription of Multl-story Buuding
The building did not show extensive damage frcm the front but it was deterui:ned that Buildings 2
and 3 had deflectea about 7 Inches, This contrasts un approximatsiy 3'4 Inches of permanent defiectien from GREENHOUSEtest. The rear panel of Busiding 5 was completely out and lying on the er xa.
Large blocks of concrete were suspended from unsevercd reinforcing bars in the roof. ‘che roof ».ab
of Building 4 showed marked depression in two places, One of these depressions wes Initiaicd from ine
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The survey of the building was completed, except tor photogsaphy, on Friday, 21 August. Saturday was spent In compieting notes, exa-cining the photograpt? which had already bees taken. and
arranging for an M-boat and ‘‘Duck’’ fur Monday and Tuesday with which to ruake examination and
photos of miscellaneous structures on all the islands. This survey was completed on Tuesday a..¢ ine
undersigned departed on Wednesday, 26 August.
SECRET— RESTRICTED DATA