Laserfiche WebLink
<br />oh~4a5 <br /> <br />Dentate: See "baffle block. " <br /> <br />\ <br /> <br />Designated frequency flood: ~ee "flood" etc. <br /> <br />Designers' Operating Criteria (DOC): Detailed operating criteria which stresses the <br />designers' intended use and operation of equipment and structures in the interest <br />of safe, proper, and efficient use of the facilities. Includes drawings and tables, <br />etc. <br /> <br />Design summary: A document that summarizes the' designers' development of the <br />design that results in the specifications. It may include a section on the Designers' <br />Operating Criteria. <br /> <br />Differential head condition: The condition in which the water pressure on the upstream <br />and downstream sides of an object differ (also called unbalanced head). <br /> <br />Downstream face: The inclined surface of the dam away from the reservoir. <br /> <br />Drain, blanket: A layer of pervious material placed to facilitate drainage of the <br />foundation and/or embankment. <br /> <br />Drop structure: A structure that conveys water to a lower elevation and dissipates the <br />excess energy resulting from the drop. <br /> <br />E <br /> <br />,~ ./ <br /> <br />Elevation-capacity table: A table giving reservoir storage capacity in terms of elevation <br />increments. <br /> <br />Emergency Action Plan (EAP): A formal plan of procedures designed to minimize an <br />emergency situation or unusual occurrence at a gi ven dam or reservoir. <br /> <br />Emergency Preparedness Plan (EPP): Predecessor to the term Emergency Action Plan. <br /> <br />Emergency reserve fund: Money reserved or required by contract to be reserved by an <br />operating entity for use in emergency situations involving facilities under the entity's <br />jurisdiction. <br /> <br />Epicenter, earthquake: Focal point on earth's surface directly above the origin of <br />seismic disturbance. <br /> <br />Erosion, concrete: Surface disturbance caused by abrasion from moving particles in <br />water, impact of pedestrian or vehicular traffic, or impact of icefloes. <br /> <br />Erosion, soil: Surface displacement of soil caused by weathering, dissolution, abrasion, <br />or other transporting. <br /> <br />I <br />I <br /> <br />""':~.~':::. <br /> <br />I <br />, , <br /> <br />..."-- <br /> <br />- I <br /> <br />I <br />! <br />.- <br /> <br />-, <br />; <br /> <br />-, <br /> <br />, ' <br />