S.C. Code Regs. 71-8302.5 - Records

A. Licensed blasters shall keep records of each blast. The Blaster's Log shall contain the following minimum data:

1. Name of company or contractor;

2. Location, date, and time of blast;

3. Name, signature, and license number of blaster in charge of blast;

4. Type of material blasted;

5. Number of holes, burden and spacing;

6. Diameter and depth of holes;

7. Types of explosives used;

8. Total amount of explosives used;

9. Maximum amount of explosives per delay period of 8 milliseconds or greater;

10. Method of firing and type of circuit;

11. Direction and distance in feet to nearest dwelling house, public building, school, church, commercial or institutional building neither owned nor leased by the person conducting the blasting;

12. Weather conditions;

13. Type and height or length of stemming;

14. Whether mats or other protections were used;

15. Type of delay electric blasting caps used and delay periods used;

16. Exact location of seismograph, if used, and the distance of seismograph from blast as indicated accurately by the person taking the seismograph reading;

17. Seismograph records, where required including:

a. Name of person and firm analyzing the seismograph record; and

b. Seismograph reading;

18. Maximum number of holes per delay period of eight milliseconds or greater.

B. Blasters will provide a blast report on forms approved by the OSFM and submit these forms within three working days of the blast when deemed necessary by the OSFM.

C. Blasting records shall be retained by the licensed blaster and available for inspection by OSFM during normal work hours at their place of business. These blast records shall include as a minimum for each blast:

1. Blasting Permit;

2. Seismograph reports when used;

3. Blaster's Record/log;

4. Pre-Blast Survey (if applicable).

D. Magazine log shall be available for inspection by OSFM upon request during normal work hours or hours of operation of the magazine.

Notes

S.C. Code Regs. 71-8302.5

Added by State Register Volume 23, Issue No. 6, eff June 25, 1999. Amended by State Register Volume 29, Issue No. 4, eff April 22, 2005; State Register Volume 33, Issue No. 5, eff May 22, 2009; State Register Volume 38, Issue No. 4, eff April 25, 2014; State Register Volume 38, Issue No. 6, eff 6/27/2014; State Register Volume 39, Issue No. 06, eff. 6/26/2015; State Register Volume 40, Issue No. 06, eff. 6/24/2016; State Register Volume 47, Issue No. 05, eff. 5/26/2023.