(a) There is hereby established the office of City Seismologist. No person, firm or corporation shall detonate explosives within the corporate limits without arranging for the presence of and having present the City Seismologist or his or her 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; and
(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 Director of Public Safety and the City Seismologist. At least 48 hours shall be required before such explosion shall be detonated. It shall be the duty of the City Seismologist 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 Seismologist shall issue written reports on each and every blasting event to the Director of Public Safety and comment upon compliance with regulations and standards herein established. The City Seismologist shall have such other duties and responsibilities as shall be assigned to him or her by the Director of Public Safety, and he or she 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 Director of Public Safety.
(Ord. 1988-192, passed 10-3-1988)