1 Del. Admin. Code § 704-3-2.0

Current through Register Vol. 28, No. 7, January 1, 2025

Section 704-3-2.0 - Records

2.1 A record of each blast shall be kept. All records shall be retained for at least three years following the year in which the record is made and shall be available for inspection by the Office of the State Fire Marshal and shall contain the following minimum data:

2.1.1 Name of company or contractor;

2.1.2 Location, date, and time of blast;

2.1.3 Names, signature, and license number of blaster;

2.1.4 Type of material blasted;

2.1.5 Number of holes, burden, and spacing;

2.1.6 Diameter and depth of holes;

2.1.7 Types of explosives used;

2.1.8 Total amount of explosives used;

2.1.9 Maximum amount of explosives per delay period of eight (8) milliseconds or greater;

2.1.10 Method of firing and type of circuit;

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

2.1.12 Scaled distance, DS;

2.1.13 Weather conditions;

2.1.14 Direction of wind;

2.1.15 Height or length of stemming;

2.1.16 Were mats used; and

2.1.17 Type of delay electric blasting caps used and delay periods used.

2.2 The above log shall be in a bound type book and shall be kept on each job site and date entered with each shot. The log shall be made immediately available to the State Fire Marshal or authorized designee upon request.

2.3 It shall be the responsibility of the licensed blaster whose name appears on the application for a permit to use explosives to keep, record, or maintain the records as required in this section.

1 Del. Admin. Code § 704-3-2.0

25 DE Reg. 79 (7/1/2021) (final)