1-1. Background. Military facilities for the Army and Air Force have included construction of buildings and other structures partially below ground surface. In more recent years, missile launching and support structures, fallout and blast-protection shelters, and command-control centers have been constructed below ground surface. Many of these structures were constructed using cut-and-cover procedures and required backfilling within confined areas using various types of soil. a. Numerous deficiencies in backfilling operations occurred in some of the earlier missile-launch construction programs and caused conditions that jeopardized the proper functioning of those structures. Measures to correct deficiencies were both time consuming and costly. It was recognized that critical areas must be delineated and the causes of the deficiencies be determined and corrected. b.
DesignationTM 5-818-4
EditionJun 1983
StatusSuperseded
Pages57
FunctionEngineering
CollectionRecent Archive
No distribution statement on the cover; no restrictive marking found