2002-07-31_PERMIT FILE - M2002004

• Permit No: M2002004
• IBM Index Class Name: PERMIT FILE
• Doc Date: 7/31/2002
• Doc Name: APPROVAL OF A 112 PERMIT APPLICATION OVER OBJECTIONS
• From: GCC RIO GRANDE
• To: DRMS
• Media Type: D
• Archive: No

Blasting Impacts Assessment for the Proposed GCC Rio Grande, Inc. Quarry in Pueblo County, Colorado_
TABLE OF CONTENTS
NO. PAGE
1.0 INTRODUCTION 1
2.0 BLAST CONCERNS AND IMPACTS 3
3.0 BLAST EFFECTS 4
3.1 Vibration Ground Waves 4
3.2 Vibration Perception and Damage Criteria 6
3.3 Blast Noise (Air - Overpressure) 7
3.4 Air - Overpressure Measurement Scales 8
3.5 Air - Overpressure Regulatory Limits 9
4.0 SPECIFIC RED ROCK QUARRY BLASTING IMPACTS ANALYSES 12
4.1 Impacts on Water Resources 12
4.2 Stability of the DRG -RR Bridge and Embankments 14
4.3 Damage to Neighboring Structures 14
4.4 Human and Animal Impacts 14
4.5 Control of Dust 16
4.6 Impacts on Soil Resources 16
5.0 SUMMARY OF FINDINGS AND RECOMMENDATIONS 17
6.0 REFERENCES 18
REVEY Associates, Inc. Page i July 2001