12 CRR-NY 61-4.7NY-CRR
12 CRR-NY 61-4.7
12 CRR-NY 61-4.7
61-4.7 Reporting and recordkeeping.
(a) Recordkeeping.
The blaster-in-charge shall complete a shot report within 24 hours of the blast. The report shall be available for review by the commissioner and be maintained for at least five years after the blast. The report may be maintained in an electronic format. At a minimum the report shall contain the following information:
(1) the name of the blasting company or contractor;
(2) name of the company or person for whom the blast was performed;
(3) physical location of where that blast took place;
(4) name and certificate number of the blaster-in-charge;
(5) type of material blasted;
(6) maximum amount of explosives per delay period of eight milliseconds or greater;
(7) exact number and type of detonators used;
(8) quantity and type of explosives used;
(i) exact number and type of packaged products used; and
(ii) quantity of bulk explosive used in pounds;
(9) method of firing and type of circuit;
(10) the delay timings used;
(11) direction and distance in feet to the nearest structure not owned or leased by the person for whom the blasting is being performed;
(12) local time of the blast accurate to the minute;
(13) weather conditions at the time of the firing of the blast;
(14) where seismographs are used:
(i) readings of ground vibrations to include three component readings with frequency;
(ii) frequency readings of air blast;
(iii) location of the seismograph;
(iv) distance from the blast;
(v) name and signature of the person monitoring the seismograph;
(15) for blasts using drilled holes:
(i) the burden and spacing of holes;
(ii) the number and diameter of holes;
(iii) the height or length of stemming;
(iv) the drilling logs;
(v) description of the shot pattern, including number of holes per delay period of eight seconds or greater;
(16) a list of names of all individuals present at the blast site during the loading operation including visitors; and
(17) notation of any unusual or suspicious activity.
(b) Inventory reconciliation.
The blaster-in-charge shall ensure that the amount(s) of explosive(s) reported used in the shot report plus the amount of explosive(s) returned to the magazine equals the amount of explosives taken from the magazine. Any inventory discrepancies shall be reported as required by Part 39 of this Title.
(c) Duty to report.
Each certified blaster shall report any unusual incident or event that occurs during the blasting operation as required by section 61-1.7 of this Part. In addition to those requirements reporting is required for instances of premature detonation, damage from air blast, damage from excessive ground vibration or instances of fly rock.
12 CRR-NY 61-4.7
Current through March 15, 2022
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