BLACK ROCK DAM MODIFICATION - CONCEPTUAL DESIGN FUNCTION ANALYSIS SYSTEM TECHNIQUE (FAST) DIAGRAM HOW? WHY? >>==> DESIGN OBJECTIVES ALL THE TIME <==<< FACILITATE GATHER MAINTENANCE RESOURCES 0.1% 2.3% ENABLE CONSTRUCT. 2.4% PLACE CONCRETE INCREASE RAISE 11.8% STORAGE EMBANKMENT 12.7% 12.7% PLACE BLOCKS LIMIT 0.9% OVERTOPPING 45.9% PASS PLACE WATER CONCRETE |   33.2% |   32.1% PREVENT CREATE EROSION VOID 0.6% 0.6% PREVENT REPLACE EROSION RIPRAP 0.9% CONTROL PLACE SEEPAGE MEMBRANE 28.2% |   13.7% CREATE VOID |   13.7% PREVENT FILL FAILURE VOID 95.8% STABILIZE |    0.1% 84.8% * EMBANKMENT PROTECT 31.2% MEMBRANE |    3.2% LIMIT REMOVE PIPING WATER 30.3% |    1.2% REPLACE RIPRAP |    2.7% STABILIZE SOIL |    0.1% PLACE SAVE GEOTEXTILE LIVES 5.9% 95.8% SUPPORT INSTALL LOAD PIPE 2.1% |    2.1% FILL VOIDS 0.4% EVACUATE PASS CONSTRUCT RESERVOIR WATER TOWER 18.7% 18.7% |  18.7% |    2.2% CREATE VOID |    9.2% FILL VOID |    6.5% DESTRUCT TOWER |    2.2% CONTROL DISCHARGE |    2.2% FACILITATE MAINTENANCE 0.1% WARN INSTALL PUBLIC EWS Higher Order Function Basic Function * Secondary Function Activities    EWS was not evaluated as part of this value study (EWS=11.0% additional) H:\BACKUP\ZIPS\LAN\MAINLA~1\INTERIOR\BIA\BLACKROK\BLACFAS2.WK3 13