Section 68-105-105 - Seismograph measurements(a) At a dwelling house, public building, school, church, commercial or institutional building normally occupied within three hundred feet (300') of a blast hole, the responsible blasting firm shall offer the owner or occupant a pre-blast survey at no charge. This requirement applies only in cases where the standard table of distance is exceeded. The blasting firm shall make the offer in writing at least seventy-two (72) hours prior to commencement of the blasting operation. All surveys requested during the offer period must be completed prior to the commencement of the blasting operation. Each owner or occupant may request, in writing, complete documentation of surveys, including all photographs, from the blasting firm, and the blasting firm shall provide documentation in a timely manner. Each survey shall document all structural and cosmetic flaws noted at that time. This subsection (a) does not apply to permanent blasting operations.(b) Instruments for determining particle velocity as set forth in this chapter are limited to such specific types of devices, including their deployment and field practice guidelines, as have been expressly approved by the department. The commissioner may enter upon a premise for the purpose of conducting or supervising necessary instrumentations provided by this chapter.Amended by 2022 Tenn. Acts, ch. 871, s 5, eff. 7/1/2022.Acts 1975, ch. 93, § 5; T.C.A., §§ 53-6105, 68-44-105; Acts 2007 , ch. 231, § 5.