Section SPS 307.31 - Changes, additions or omissions to NFPA 495(1) Changes, additions or omissions to NFPA 495 chapter 10 are specified in this subchapter and are rules of the department and are not requirements of the NFPA 495 standard.(2) These are department rules in addition to the requirements in NFP A 495 section 10.1.4: (a)Blaster requirements. When blasting operations are conducted in a municipality, the shots shall be designed and initiated by a properly licensed Class 5, 6, or 7 blaster. Note: See ch. SPS 305 for blaster license requirements and classifications.
(b)Notifications.1. Any person conducting blasting operations in a municipality at a location other than a mine, pit, or quarry shall notify the department, local fire department, and local law enforcement agency of the first date on which blasting is scheduled and the location of the blasting operation. Notification shall be made on forms provided by the department and occur at least 10 days prior to the first date on which blasting is scheduled. Unless notification of subsequent blasting is requested by the local fire department or local law enforcement agency or required by municipal ordinance, only one initial notice is required under this subdivision.2. Each calendar year before annual blasting begins at a mine, pit, or quarry located in a municipality, the person conducting blasting operations shall notify the department that blasting is about to begin. Notification shall be made on forms provided by the department and occur at least 10 days prior to the date on which blasting is scheduled to begin. Unless notification of annual or subsequent blasting is requested by the local fire department or local law enforcement agency or required by municipal ordinance, only one initial notice to the department each calendar year is required under this subdivision. Note: A notice of blasting form is available from the department's Division of Industry Services at P.O. Box 7302, Madison, WI 53707-7302; by email at dsps@wisconsin.gov; by telephone at (608) 266-2112, (877) 617-1565, or 411 (Telecommunications Relay); or at the division's website at http://dsps.wi.gov/programs/industry-services.
(3) These are department rules in addition to the requirements in NFPA 495 section 10.2: (a) Explosive materials used in underground blasting shall be fume class 1; however, fume class 2 and fume class 3 may be used if adequate ventilation has been provided as determined by the blaster in charge. Note: Fume class 1 explosives produce less than 0.16 cubic feet of poisonous gases per 1-1/4 x 8" cartridge when detonated in the Bichel Gauge.
(b) All blast holes in open work shall be stemmed to the collar or to a point which will confine the charge.(4) These are department rules in addition to the requirements in NFPA 495 chapter 10:(a)Required log. A blasting log shall be required for each blast fired.(b)Filing and availability. All blasting logs shall be kept on file by the blaster for a minimum period of 3 years, and shall be made available to the department upon request.(c)Information. Each blasting log shall contain at least all of the following information: 1. Name, signature and license number of the blaster in charge of the blast.2. Specific blast location, including GPS location or latitude and longitude coordinates, address, and bench and station number if applicable.3. Type of blasting operation.4. Date and time of the blast.5. Weather conditions at the time of the blast.6. Diagram of the blast layout and the delay pattern.8. Hole depth and diameter.11. Maximum holes per delay.12. Maximum pounds of explosives per delay.13. Depth of top stemming used.14. Number, type and length of stemming used between decks.15. Total pounds and type of explosives used.16. Distance to nearest inhabited building not owned by the operator.17. Type of initiation used.18. Seismographic and airblast records, which shall include all of the following: a. Type of instrument and last laboratory calibration date.b. Exact location of instrument and the date, time, and distance from the blast.c. Name of the person and firm taking the reading.d. Trigger levels for ground and air vibrations.e. The vibration and airblast levels recorded.Wis. Admin. Code Department of Safety and Professional Services SPS 307.31
CR 06-120: cr. Register February 2008 No. 626, eff. 3-1-08.Amended by, CR 17-034: am. (2) (intro.), (a), renum. (2) (b) to (2) (b) 1. and am., cr. (2) (b) 2., am. (4) (c) 2., Register March 2018 No. 747, eff. 4/1/2018