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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />8.0 NWS Dambreak Model <br /> <br />The Simplified Dam-Break Model, version 7/88. was <br />also used in this investigation. This model is an <br />interactive program developed by the National Weather <br />Service which computes the maximum discharge, maximum <br />depth, and times of occurrence of flooding at selected <br />cross sections downstream of a breached dam. <br /> <br />The input data for Stagecoach Dam was_as, follows:_,__ <br /> <br />TYPE OF DAM (IDAM) <br />DAM BREACH ELEVATION (HDE) <br />FINAL BREACH ELEVATION (BME) <br />VOLUME OF RESERVOIR (VOL) <br />SURFACE AREA OF RESERVOIR (SA) <br />FINAL BREACH WIDTH (BW) <br />TIME OF DAM FAILURE (TFM) <br />NON-BREACH FLOW (QO) <br />DEAD STORAGE EQUIV. MANN. N (CMS) <br /> <br />CONCRETE GRAVITY <br />7200.00 FT <br />7075.00 FT <br />33275.00 ACRE-FT <br />775.00 ACRES <br />18L 00 FT <br />15.00 MINUTES <br />.00 CFS <br />.30 <br /> <br />The input data for Lake Catamount dam was as follows: <br /> <br />TYPE OF DAM ( IDAM) <br />DAM BREACH ELEVATION (HDE) <br />FINAL BREACH ELEVATION (BME) <br />VOLUME OF RESERVOIR (VOL) <br />SURFACE AREA OF RESERVOIR (SA) <br />FINAL BREACH WIDTH (BW) <br />TIME OF DAM FAILURE (TFM) <br />NON-BREACH FLOW (QO) <br />DEAD STORAGE EQUIV. MANN. N (CMS) <br /> <br />EARTH <br />6915.00 <br />6858.00 <br />18900.00 <br />983.00 <br />17LOO <br />5.70 <br />30900.00 <br />.30 <br /> <br />* an asterisk means that this parameter was <br />computed by the program. <br /> <br />'25 <br /> <br />FT <br />FT <br />ACRE-FT <br />ACRES <br />FT <br />MINUTES <br />CFS <br /> <br />, <br /> <br />* <br />* <br />