(a) A record of each explosive event shall be kept by the contractor or blaster upon forms furnished by the City, a copy of which shall be filed with the Safety Director, which shall include the following:
(1) Name of company.
(2) Blast location.
(3) Date and time of blast.
(4) Number of holes, diameter of holes, depth of holes, spacings and burdens, delay intervals, total weight of explosives, maximum weight of explosives fired per day.
(5) Distance and direction to nearest structure neither owned nor leased by person, firm or corporation conducting blastings, except high-tension lines, supporting towers and appurtenances.
(6) Name and signature of firm or individual conducting blasting.
(7) Weather conditions.
(b) Such log shall be filed with the Safety Director or City Seismologist within twenty-four hours after each blasting event, or prior to the next explosive event if the same occurs prior to the expiration of twenty-four hours. (Ord. 32-1975. Passed 3-24-75.)