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HomeMy WebLinkAbout02_15_21 Blast reportAUSTIN POWDER COMPANY and Subsidiaries AUSTIN POWDER COMPANY BLAST REPORT .¢ ' F�FR G Blast No.: 7 Date/Time: 02/15/2021 16:18 AP Raleigh, NC 399 Three Sisters Road, Knightdale, NC 27545 Blast Type: Stone Quarry/Stone Mine - Ramp/Road Pit/Permit: MARTIN MARIETTA-LEMON SPRINGS / 1NCO0788 .¢ , F�FR G Permittee: MARTIN MARIETTA Customer: MARTIN MARIETTA-LEMON SPRINGS (271466-001) Location: 4TH BENCH ELEV 149 ENVIRONMENT Method Used: Lat./Long. Weather: Light Rain Wind From: NE Temperature: 43 °F Terrain: Hilly Wind Velocity: 1-5 M/h Blast Lat./Long.: 35° 24' 27.904" N 79° 11' 57.040" W NEAREST PROTECTED STRUCTURE Compass Point: SW Structure Name: 1777 WILLET RD Direction/Bearing: 231 ° Structure Type: Dwelling Distance: 1587 ft Structure Lat./Long.: 35° 24' 18.030" N 79° 12' 11.950" W LAYOUT Hole Depth: 44.0 ft Material Blasted: Granite Total Drilling Footage: 2,508.0 ft No. of Holes: 57 Subdrilling: 4.0 ft Burden: 14.0 ft Water Depth: 10.0 ft t No. of V.P. Holes: 57 Face Height: 40.0 ft Spacing: 17.0 ft Stem Length: min 15.0 ft No. of Rows: 5 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 = 40.0 ft) WEIGHTS Max. Wt. of Expl. in Overlapped Decks: 988.8 lb Volume Produced: 20,097.8 yd3 Initiation: Electronic Max. Wt. of Expl. Per 8 ms Interval: 988.8 lb Weight Produced: 46,827.9 t Firing Device: E*Star Blasting Max. No. of Holes Per 8 ms Interval: 2 Powder Factor 1: 1.728 t/lb Machine (WRFD) Other Method: Mfg and Model: DanMarCo Initiation Settings: Series Resistance (ohms): Max. Wt. of Explosive Per Hole: 494.4 lb Powder Factor 2: 1.348 Ib/yd3 Max. Allow. Chg. Wt. per 8 ms w/o Seis.: 1,007.4 lb Rock Density: 2.330 t/yd3 Actual Scaled Distance Factor: 50.47 Scaled Distance Factor Used: D/Wl/2=50 SEISMOGRAPH 1 - 1777 WILLET RD Data Type: Seismic Record Seismograph Type: MINIMATE PLUS Date: 02/15/21 Trigger Level: --- in/s --- dB Transverse: 0.058 in/s 17.0 Hz Time: 16:18 Calibration Date: 12/22/20 Vertical: 0.126 in/s 47.0 Hz Distance From Blast: 1,586.00ft Calibration Signal: Longitudinal: 0.101 in/s 34.0 Hz Direction From Blast: SW Geophone Min. Freq.: --- Hz Readout: Mic. Min. Freq.: --- Hz Acoustic: 116 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: ru00749702-10661 Version: 7.8.6.1 Print Date: 2/15/2021 AUSTIN POWDER COMPANY and Subsidiaries AUSTIN POWDER COMPANY BLAST REPORT .¢ , F�FR G Blast No.: 7 Date/Time: 02/15/2021 16:18 CREW AP Raleigh, NC 399 Three Sisters Road, Knightdale, NC 27545 Blast Type: Stone Quarry/Stone Mine - Ramp/Road Pit/Permit: MARTIN MARIETTA-LEMON SPRINGS / 1NCO0788 .¢ , F�FR G Permittee: MARTIN MARIETTA Customer: MARTIN MARIETTA-LEMON SPRINGS (271466-001) Location: 4TH BENCH ELEV 149 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 No ,S CHEEK WILLIAM, No Yes No No No D DARNELL TIMOTHY, No Yes No No No W NANTZ BENJAMIN No No No No Yes ,D PRODUCTS AND SERVICES Number Product Description Quantity 15107 Eagle 450 E*Star Booster 114.00 ea 15002 30' E*STAR Detonator - QM 57.00 ea 15004 60' E*STAR Detonator - QM 57.00 ea 15161 E*Star Duplex HDPE Bus Wire - 1312' 1.00 sp 12531 07696 A0005 A0021 A0385 A0625 Empty-WPP Shot Bag 5 x 48 - Plain. 9.00 ea Hydromite 4400 Bulk 26,986.00 lb * Hydromite 4400 Bulk-5.ON48.0" 9 ST **Basic Blasting Service** 1.00 ea Blast Service-Fld Mfg Unit+Operator 1.00 ea Delivery Service --Level D 1.00 ea Other -Remote Firing Device Charge 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) 114.00 0.00 0.00 0.00 0.00 26,986.00 * 361.80 0.00 0.00 0.00 0.00 27,100.00 General Comments: Got off to a late start this morning due to some holes that had to be redrilled. But shot loaded good. The tubes were really water logged after alot of rain throughout the weekend. But not at all a bad day. Signature of Blaster in Charge Page 2 of 6 Blast ID: ru00749702-10661 Version: 7.8.6.1 Print Date: 2/15/2021