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<br />INDEX <br /> <br />GLOSSARY OF TERMS FOR DAM SAFETY <br /> <br />Abutment, p. 1 <br />Acre-foot, p. 1 <br />Adit, p. 1 <br />Appurtenant structure, p. 1 <br />Axis of dam, p. I <br />Baffle block, p. 1 <br />Base thickness, p. 1 <br />Bedrock, p. 1 <br />Berm, p. 1 <br />Borrow area, p. 1 <br />Breach, p. 1 <br />Channel, p. 1 <br />Compaction, p. 1 <br />Conduit, p. 2 <br />Construction joint, p. 2 <br />Contact grouting, p. 2 <br />Core, p. 2 <br />Core Wall, p. 2 <br />Crest of dam, p. 2 <br />Cross section, p. 2 <br />Cutoff trench, p. 2 <br />Cutoff wall, p. 2 <br />Dam, p. 2 <br />a. Afterbay dam, p. 2 <br />b. Ambursen dam, p. 2 <br />c. Arch dam, p. 2 <br />d. Buttress dam, p. 2 <br />e. Cofferdam, p. 2 <br />f. Crib dam, p. 2 <br />g. Diversion dam, p. 3 <br />h. Double curvature arch dam, p. 3 <br />i. Earth dam, p. 3 <br />j. Embankment dam, p. 3 <br />k. Gravity dam, p. 3 <br />l. Hollow gravity dam, p. 3 <br />m. Hydraulic fill dam, p. 3 <br />n. Industrial waste dam, p. 3 <br />o. Masonry dam, p. 3 <br />p. Mine tailings dam, p. 3 <br />q. Multiple Arch Dam, p. 3 <br />r. Overflow dam, p. 3 <br />s. Regulating dam, p. 3 <br />t. Rockfill dam, p. 3 <br />u. Roller compacted concrete dam, p. 3 <br />v. Rubble dam, p. 4 <br />w. Saddle dam (or dike), p. 4 <br />x. Tailings dam, p. 4 <br /> <br />Dam failure, p. 4 <br />Design water level, p. 4 <br />Design wind, p. 4 <br />Diaphragm wall (membrane), p. 4 <br />Dike, p. 4 <br />Diversion channel, <br />Drain, blanket, p. <br />Drain, chimney, p. <br />Drain, toe, p. 4 <br />Drainage area, p. 4 <br />Drainage curtain, p. 4 <br />Drawdown, p. 5 <br />Earthquake, p. 5 <br />Earthquake, Maximum Credible (MCE), p. 5 <br />Earthquake, Maximum Design (MDE), p. 5 <br />Earthquake, Operating Basis (OBE), p. 5 <br />Earthquake, Safety Evaluation (SEE), p. 5 <br />Earthquake, Synthetic, p. 5 <br />Emergency Action Plan (EAP), p. 5 <br />Energy dissipator, p. 5 <br />Epicenter, p. 5 <br />Fault, p. 6 <br />Fault, Active, p. 6 <br />Fault, Capable, p. 6 <br />Fetch, p. 6 <br />Filter (filter zone), p. 6 <br />Flashboards, p. 6 <br />Flip bucket, p. 6 <br />Flood, p. 6 <br />Flood routing, p. 6 <br />Flood, Safety Evaluation (SEF), p. 6 <br />Flood, Inflow Design (IDF), p. 7 <br />Flood, Probable Maximum (PMF), p. 7 <br />Floodplain, p..7 <br />Freeboard, p. 7 <br />Gallery, p. 7 <br />Gantry crane, p. 7 <br />Gate, p. 7 <br />a. Bascule gate, p. 7 <br />b. Bulkhead gate, p. 7 <br />c. Crest gate (spillway gate), p. 7 <br />d. Drum gate, p. 7 <br />e. Emergency gate, p. 7 <br />f. Fixed wheel gate (fixed roller gate) <br />(fixed axle gate), p. 7 <br />g. Flap gate, p. 7 <br />h. Flood gate, p. 7 <br /> <br />canal, <br />4 <br />4 <br /> <br />or tunnel, p. 4 <br /> <br />-l7- <br />