§ 12-40. Blasting records.

(a)

Any and all users of explosives shall keep daily records for a period of three (3) years of all blasting performed on a form or forms prescribed by the director of the Division, which shall be provided to the Division on a weekly basis.

(b)

The minimum data to be shown on such record shall be:

(1)

Name and location of blasting site.

(2)

Location of the blast pattern by state plane coordinates or other grid system approved by the director of the Division.

(3)

Date and time of firing.

(4)

Arrangements and spacing of charges.

(5)

The amount of explosive for each blast or delay series.

(6)

Delay interval.

(7)

Name of person in charge of loading and firing.

(8)

Blasting permit number and signature and title of person making report.

(9)

Records of instrument readings as required by subsection 12-39(c) and 12-39(d) shall be analyzed by an independent recognized seismologist and shall be reported by the seismologist to the director of the Division, or designee, with complete and full details, monthly or upon demand.

(10)

All original records required by this section will be the property of the blasting company with a copy certified by a seismologist furnished to the director of the Division, or designee, during blasting operations.

(c)

Except for instruments which are certified as self-calibrating, each instrument shall be calibrated annually, preferably on a shaking table, and such calibration shall be certified.

(Ord. No. 79-63, § 1, 8-15-79; Ord. No. 94-47, § 19, 10-11-94; Ord. No. 96-7, § 10, 3-12-96; Ord. No. 2005-07, § 20, 4-12-05; Ord. No. 2008-47, § 1, 11-13-08)