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u ~~~r • <br />SUBiVIITTAL <br />#3 Dam Decant Pipe Plugging Project <br />Henderson Mill <br />1.0) Initial Low Mobility Grout Mix Design: <br />Aggregate <br />Gradation: 100 % passing %Z inch sieve <br />10-20% passing 200 sieve <br />Cement: 20% added by Volume. Type I-II <br />~~~~o~~© <br />APR 122000 <br />II+~sron ofAginarala g Geo-ogy <br />Slump: 1-3 inches as measured at the end of the hose <br />Strength: 700 - 1200 approximate psi in 28 days <br />2.0) Abandonment Slurry Grout Mix Design: <br />Materials by cubic yazd by weight: <br />Cement type I-II: 735 lbs. approximate <br />Flyash Type "F": 1525 Ibs. approximate <br />Water 820 lbs approximate <br />Proportion by loose volume: (F:C) 3:1 <br />Flow Time: 20 seconds approximate utilizing Marsh Flow Cone <br />Strength: 3 day approximate: 500 psi <br />7 day approximate: 1800 psi <br />28 day approximate: 3000 psi <br />