HomeMy WebLinkAbout02_04_21 Blast reportAUSTIN POWDER COMPANY and Subsidiaries
AUSTIN POWDER COMPANY BLAST REPORT
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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
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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
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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
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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