Introductory technical guidance for civil engineers, structural engineers and construction managers interested in improving stability of existing concrete structures. Here is what is discussed: 1. EVALUATION, 2. PROCEDURES, 3. IMPROVING STABILITY, 4. CASE HISTORIES, 5. ANCHORING STRUCTURES, 6. ANCHORING STRUCTURES TO ROCK, 7. TENSIONED ANCHOR LOADS, 8. STRUCTURAL ANCHOR DESIGN, 9. CLASSIFICATION OF STRUCTURES.