Laserfiche WebLink
Blasting Impacts and Rock Slope Stability Assessment for Cottonwood Quarry m Grand County,CO <br /> TABLE OF CONTENTS <br /> NO. PAGE <br /> 1.Q INTRODUCTION AND SCOPE.......................................................................1 <br /> 2.0 BLAST CONCERNS AND IMPACTS..............................................................3 <br /> 3.0 BLAST EFFECTS ...........................................................................................4 <br /> 3.1 Vibration Ground Waves.......................................................:........ .....4 <br /> 3.2 Nitration Perception and Damage Criteria...........................................6 <br /> 3.3 Blast Noise (Air-Overpressure).............................................................7 <br /> 3.4 Air-Overpressure Measurement Scales................................................7 <br /> 3.5 Blast Vibration Intensity Predictions.....................................................9 <br /> 3.6 Human Response to Transient Vibration..............................................10 <br /> 4.0 SPECIM C0TTONWOOD-QUARRY BLASTING IMPACTS-ANALYSES-....12 <br /> 4.1 Impacts on Water Resources...............................................................12 <br /> 4.2 Security of Explosive Materials.............................................................13 <br /> 4.3 Damage to Neighboring Structures................................................ .....14 <br /> 4.4 Human and Animal Impacts.................................................................16 <br /> 4.5 Control of Dust .....................................................................................17 <br /> 4.6 Impacts on Soil Resources...................................................................17 <br /> 5.0 STABILITY OF MINED ROCK SLOPES.........................................................18 <br /> 6.0 FINDINGS.......................................................................................................18 <br /> 7.0 REFERENCES................................................................................................19 <br /> REVEY Associates,Inc. Page i April 2W4 <br />