(a) There hereby is established the office of the City Seismologist. No person, firm or corporation shall detonate explosives within the City, without arranging and having present the City Seismologist or his authorized representative, at each and every blast to record the same as hereinafter more fully provided.
(b) The City Seismologist shall record the following data:
(1) Identification of instrument used.
(2) Name of observer.
(3) Name of interpreter.
(4) Distance of recording station from area of detonation.
(5) Recording station or location in structure.
(6) Maximum amplitudes for all components measured.
(7) Frequency of ground motion in cycles per second, if applicable.
(8) Maximum particle velocity for all components measured.
(c) Written notice of the exact time and place of the use of explosives shall be given to both the Safety Director and City Seismologist at least forty-eight hours, and shall be required, before such explosion shall be detonated. It shall be the duty of the City Seismolgist to attend all such detonations on the date and at the time and place, when requested, if at all possible, and to notify the permittee or licensee of any alternative date and time in the event the same is necessary to be rescheduled. The City Seismolgist shall issue written reports on each and every blasting event to the Safety Director and to comment upon compliance within regulations and standards herein established. The City Seismologist shall have such other duties and responsibilities as shall be assigned to him by the Safety Director and he shall be paid from the per diem deposit fee herein required. The Director of Finance is hereby authorized and directed to cause payment to be made to the City Seismologist from the deposit upon the presentation of invoices therefor, chargeable to the respective deposit to which the invoice is applicable and upon the approval of such invoices by the Safety Director.
(d) The Safety Director shall have the authority to require a deposit fee in excess of two hundred fifty dollars ($250.00), when it appears that extraordinary expenses may be incurred. Postponement of a blast for good cause, approved by the Safety Director, shall not require an additional permit.
(Ord. 32-1975. Passed 3-24-75.)