Introductory technical guidance for civil engineers, structural engineers and construction managers interested in backfill for subsurface structures. Here is what is discussed: 1. PLANNING AND DESIGN OF STRUCTURES AND EXCAVATIONS TO ACCOMMODATE BACKFILL OPERATIONS, 2. EFFECT OF EXCAVATION AND STRUCTURAL CONFIGURATION ON BACKFILL OPERATIONS. 3. INSTRUMENTATION 4. EVALUATION, DESIGN, AND PROCESSING OF BACKFILL MATERIALS.