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HomeMy WebLinkAbout02_04_21 Blast reportAUSTIN POWDER COMPANY and Subsidiaries AUSTIN POWDER COMPANY BLAST REPORT .¢ ' F�FR G Blast No.: 6 Date/Time: 02/04/2021 12:15 AP Denton, NC 372 Ernest Smith Road, Denton, NC 27239 Blast Type: Stone Quarry/Stone Mine - Production Pit/Permit: MARTIN MARIETTA-LEMON SPRINGS / 1 N CO0710 .¢ , F�FR G Permittee: MARTIN MARIETTA Customer: MARTIN MARIETTA-LEMON SPRINGS (271466-002) Location: TOP BENCH ELEV 380 ENVIRONMENT Method Used: Lat./Long. Weather: Cloudy/High Wind From: SW Clouds Temperature: 46 °F Terrain: Hilly Wind Velocity: 1-6 M/h Blast Lat./Long.: 35° 24' 22.840" N 79° 11' 54.193" W NEAREST PROTECTED STRUCTURE Compass Point: WSW Structure Name: 1777 WILLET RD Direction/Bearing: 251 ° Structure Type: Dwelling Distance: 1548 ft Structure Lat./Long.: 35° 24' 18.030" N 79° 12' 11.950" W LAYOUT Hole Depth: 78.0 ft Material Blasted: Granite Total Drilling Footage: 1,950.0 ft No. of Holes: 25 Subdrilling: 4.0 ft Burden: 15.0 ft Water Depth: 25.0 ft t No. of V.P. Holes: 25 Face Height: 74.0 ft Spacing: 20.0 ft Stem Length: min 16.0 ft No. of Rows: 3 Drilling Angle: 0 Back Fill Depth: 0.0 ft Area Type: Conventional Diameter: 6.5 in Mats Used: No Stem Type: 57 Method: Specified t V.P. = Volume Producing (H = 74.0 ft) WEIGHTS Max. Wt. of Expl. in Overlapped Decks: 0.0 lb Volume Produced: 20,555.6 yd3 Initiation: Electronic Max. Wt. of Expl. Per 8 ms Interval: 968.3 lb Weight Produced: 47,894.5 t Firing Device: E*Star Blasting Max. No. of Holes Per 8 ms Interval: 1 Powder Factor 1: 2.012 t/lb Machine (WRFD) Other Method: Max. Wt. of Explosive Per Hole: 968.3 lb Powder Factor 2: 1.158 Ib/yd3 Mfg and Model: DanMarCo Max. Allow. Chg. Wt. per 8 ms w/o Seis.: 958.5 lb Rock Density: 2.330 t/yd3 Initiation Settings: Actual Scaled Distance Factor: 49.75 Scaled Distance Factor Used: D/Wl/2=50 Series Resistance (ohms): SEISMOGRAPH I -1777 WILLET RD Data Type: Seismic Record Seismograph Type: MINIMATE PLUS Date: 02/04/21 Trigger Level: --- in/s --- dB Transverse: 0.127 in/s 7.9 Hz Time: 12:15 Calibration Date: 12/22/20 Vertical: 0.124 in/s 15.0 Hz Distance From Blast: 1,545.00ft Calibration Signal: Longitudinal: 0.145 in/s 27.0 Hz Direction From Blast: WSW Geophone Min. Freq.: --- Hz Readout: Mic. Min. Freq.: --- Hz Acoustic: 118 dB --- Hz Location: Vector Sum: --- in/s Lat./Long.: 35° 24' 18.000" N 79° 12' 11.900" W Reader and Firm: Matthew Painter, Austin Powder co Analyst and Firm: Deep Earth Installer and Firm: Kyle Gates Page 1 of 6 Blast ID: ru00749702-10648 (10647) Version: 7.8.6.1 Print Date: 2/4/2021 AUSTIN POWDER COMPANY and Subsidiaries AUSTIN POWDER COMPANY BLAST REPORT .¢ , F�FR G Blast No.: 6 Date/Time: 02/04/2021 12:15 CREW AP Denton, NC 372 Ernest Smith Road, Denton, NC 27239 Blast Type: Stone Quarry/Stone Mine - Production Pit/Permit: MARTIN MARIETTA-LEMON SPRINGS / 1 N CO0710 .¢ , F�FR G Permittee: MARTIN MARIETTA Customer: MARTIN MARIETTA-LEMON SPRINGS (271466-002) Location: TOP BENCH ELEV 380 Blast occurred other than scheduled time: No Misfire Occurred: No Protective Cover: blast house Last Name First Name License / Cert 2nd License / Cert In Charge Tied In Chk. Tie -In Driller Layout PAINTER MATTHEW * NC - N/A Yes Yes Yes No Yes ,S CAMPBELL CHAD, A No Yes No No No HUNT ROBERT, No Yes No No No S PRODUCTS AND SERVICES Number Product Description Quantity 15107 Eagle 450 E*Star Booster 50.00 ea 15006 100' E*STAR Detonator - QM 25.00 ea 15002 30' E*STAR Detonator - QM 25.00 ea 15161 E*Star Duplex HDPE Bus Wire - 1312' 1.00 sp 12531 Empty-WPP Shot Bag 5 x 48 - Plain. 9.00 ea 07696 A0005 A0385 Hydromite 4400 Bulk 23,750.00 lb * Hydromite 4400 Bulk-5.ON48.0" 9.00 ST * Hydromite 4400 Bulk-5.ON48.0" 9.00 ST **Basic Blasting Service** 1.00 ea Delivery Service --Level D 1.00 ea Total Weight of Explosives (Include Primers) ( lb ): * Bagged product's weight is included in the total for the bulk product. It is shown here as a supporting detail. COMMENTS /EXPLANATIONS Weight (lb) 50.00 0.00 0.00 0.00 0.00 23,750.00 * 361.80 * 337.50 0.00 0.00 23,800.00 General Comments: SHOT LOADED GOOD. TRUCK DID WELL LOOKED FOR ALITTLE MORE RISE AFTER TALKING TO THE DRILLER AND HE ADVISED ME THE TOP 20FT WAS EXTREMELY SOFT. SHOT APPEARED TO SHOOT GOOD READINGS ARE GOOD AS WELL. Signature of Blaster in Charge Page 2 of 6 Blast ID: ru00749702-10648 (10647) Version: 7.8.6.1 Print Date: 2/4/2021