§ 18-69. Blasting records.

(a)

All users of explosives shall keep daily records for a period of three (3) years of all blasting performed on forms prescribed by the Building Official which shall be made available at reasonable times and hours at a location approved by the Building Official for inspection by him or his deputies, and signed copies of such records shall be furnished to the Building Official on a weekly basis.

(b)

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

(1)

The name and location of blasting site.

(2)

The date and time of firing.

(3)

The arrangements and spacing of charges.

(4)

The amount of explosive for each blast or delay series.

(5)

The delay interval.

(6)

The name of person in charge of loading and firing.

(7)

The blasting permit number, and signature and title of person making report.

(c)

Records of instrument readings taken as required by Section 18-103(c) and (d) and in accordance with the following specifications:

(1)

All records shall be analyzed by an independent recognized seismologist or vibration engineer and shall be reported by him to the Building Official with full and complete details monthly or upon demand.

(2)

All original records will be the property of the blasting company with a copy certified by a seismologist furnished to the Building Official.

(d)

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

(Code 1999, § 5-8)