Rockwood Quarry Blasting Record

RM of Rockwood Quarry Operations - Blasting Record 2024

Blasting Guidelines:  Maximum Allowable Decibels : 130 dB
Quarry Blasts with NO TRIGGER - The blast was less than 106 dB, with a vibration less than 0.508 mm/sec or 0.02 in/sec
** Quarry Blasts are monitored at the closest residence **

An archive of previous years blasting records


Blasting Date Blasting Time Quarry Operator Location Measurement
July 15thBetween 12 - 4pmHeidelberg MaterialsSE 1/4 6-14-2E114.6 dB, 0.0944 in/sec
July 12thBetween 9am to 3pmMaple LeafSE 1/4 8-14--2E
July 12thBetween 12 - 4pmGlacial Const.SE 1/4 18-14-2E121.7 dB, 2.05 mm/sec
July 11thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E
July 5th Between 9 am to 3 pm Maple Leaf Const. SE 1/4 8-14-2E
July 8thBetween 12 - 4pmGlacial Const.SE 1/4 18-14-2E107.1 dB, 1.39 mm/sec
July 4thBetween 9:30am - 4pmLafarge Const.NE 1/4 8-14-2E
July 3rdBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E118 dB, 1.778 mm/sec
June 27thBetween 9:30am - 4 pmLafarge Const.NE 1/4 8-14-2E
June 26thBetween 10am - 3pmMaple LeafSE 1/4 8-14-2E
June 24thBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E114 dB, 4.572 mm/sec
June 21stBetween 12pm - 4pmGlacial Const.SE 1/4 18-14-2E117 dB, 1.524 mm/sec
June 18thBetween 9:30am - 4pmLafarge Const.NE 1/4 8-14-2E112.3 dB, 4.899 mm/sec
June 14thBetween 10am - 3 pmMaple LeafSE 1/4 8-14-2E136 dB, 4.191 mm/sec
June 12thBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E110 dB, 3.429 mm/sec
June 10thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E128.50 dB, 4.034 mm/sec
June 10thBetween 12pm - 4pmGlacial Const.SE 1/4 18-14-2E112 dB, 1.778 mm/sec
June 7thBetween 10am to 3pmMaple LeafSE 1/4 8-14-2E118 dB, 5.207 mm/sec
June 5thBetween 2pm to 4pm Armstrong Const. SE 1/7 28-17-2E115.7 dB, 0.151 mm/sec
June 3rdBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E110 dB, 5.207 mm/sec
May 31stBetween 12pm - 4pmGlacial Const.SE 1/4 18-14-2E106.8 dB, 1.23 mm/sec
May 29thBetween 2pm - 4pmArmstrongSE 1/4 28-17-2E119.3 dB, 0.164 mm/sec
May 27thBetween 12pm - 4pmGlacial Const..SE 1/4 18-14-2E109.3 dB, 1.44 mm/sec
May 23rdBetween 10am - 3pmMaple LeafSE 1/4 8-14-2E114 dB, 4.572 mm/sec
May 23rdBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E120.2 dB, 1.590 mm/sec
May 23rdBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E118 dB, 2.540 mm/sec
May 22ndBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E112 dB, 3.937 mm/sec
May 21stBetween 9:30am to 4pmLafarge Const.SE 1/4 7-14-2E115.9 dB, 4.996 mm/sec
May 16thBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E106.0 dB, 2.794 mm/sec
May 13thBetween 10am - 3pmMaple LeafSE 1/4 8-14-2E119 dB, 5.482 mm/sec
May 13thBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E110.0 dB, 3.556 mm/sec
May 9thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E127.0 dB, 4.583 mm/sec
May 8thBetween 12pm - 4pmGlacial Const.SE 1/4 18-14-2E122.0 dB, 0.254 mm/sec
May 6thBetween 10am to 3pmMaple LeafSE 1/4 8-14-2E
128.0 dB, 4.953 mm/sec
May 6thBetween 12pm - 4pmHeidelberg MaterialsSE 1/4 6-14-2E
114.0 dB, 3.683 mm/sec
May 2ndBetween 12pm - 4pmGlacial Const.SE 1/4 18-14-2E117.0 dB, 1.397 mm/sec
May 1stBetween 12pm - 4pmGlacial Const.SE 1/4 18-14-2E110.0 dB, 3.556 mm/sec
May 1stBetween 9:30am to 4pmLafarge Const.SE 1/4 8-14-2E113.0 dB, 0.935 mm/sec
April 29thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E116.0 dB, 1.778 mm/sec
April 29thBetween 9:30am to 4pmLafarge Const.NE 1/4 7-14-2E113.9 dB, 4.729 mm/sec
April 25thBetween 11am to 3pmMaple LeafSE 1/4 8-14-2E117.0 dB, 6.350 mm/sec
April 19thBetween 9:30am to 4pmLafarge Const.NE 1/4 7-14-2E104.4 dB, 7.768 mm/sec
April 18thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E106.0 dB, 0.180 mm/sec
April 16thBetween 11am to 3pmHeidelberg MaterialsSE 1/4 6-14-2E116.0 dB, 3.175 mm/sec
April 11thBetween 9:30am to 4pmLafarge Const.SE 1/4 7-14-2E106.1 dB, 7.247 mm/sec
April 10thBetween 11am to 3pmMaple LeafSE 1/4 8-14-2E120.0 dB, 3.301 mm/sec
April 10thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E110.6 dB, 2.298 mm/sec
April 9thBetween 11am to 3pmHeidelberg MaterialsSE 1/4 6-14-2E114.0 dB, 1.51 mm/sec
April 4thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E110.0 dB, 2.638 mm/sec
March 28thBetween 10am to 2pmHeidelberg MaterialsSE 1/4 6-14-2E114.0 dB, 2.159 mm/sec
March 28thBetween 11am to 4pmMaple LeafSE 1/4 8-14-2E126.0 dB, 0.200 mm/sec
March 27thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E104.8 dB, 1.194 mm/sec
March 27thBetween 11am to 4pmGlacial Const.SE1/4 18-14-2E117.0 dB, 0.075 mm/sec
March 22ndBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E112.4dB, 1.127mm/sec
March 22ndBetween 12pm to 4pmGlacial Const.SE 1/4 18-14-2E110.0 dB, 0.127mm/sec
March 21stBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E119.0 dB, 0.127 mm/sec
March 19thBetween 12pm to 4pmMaple LeafSE 1/4 8-14-2E112.0 dB, 0.00 mm/sec
March 15thBetween 9:30 am to 4 pmLafarge Const.NE 1/4 7-14-2E128.9 dB, 2.151 mm/sec
March 14thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E110.0 dB, 1.143 mm/sec
March 13thBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8/14/2E125.9 dB, 1.303 mm/sec
March 7thBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E117.3 dB, 1.392 mm/sec
March 6thBetween 12pm to 4pmMaple LeafSE 1/4 8-14-2E112.0 dB, 5.461 mm/sec
March 6thBetween 12pm to 4pmGlacial Const.SE 1/4 18-14-2E122.0 dB, 1.524 mm/sec
March 5thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E117.0 dB, 0.127 mm/sec
March 1stBetween 9:30 am to 4 pm Lafarge Const. NW 1/4 8-14-2E111.1 dB, 1.252 mm/sec
Feb. 29th Between 9:30 am to 4 pm Lafarge Const. NW 1/4 8-14-2E115.3 dB, 1.891 mm/sec
Feb. 27thBetween 12pm to 4pmGlacial Const.SE 1/4 18-14-2E120.0 dB, 0.005 mm/sec
Feb. 22ndBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E111.7 dB, 1.681 mm/sec
Feb. 21stBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E118.3 dB, 1.625 mm/sec
Feb. 14th Between 9:30 am to 4 pm
Lafarge Const.NW 1/4 8-14-2E108.0 dB, 1.170 mm/sec
Feb. 14thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E106.0 dB, 0.127 mm/sec
Feb 13thBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E118.7 dB, 1.246 mm/sec
Feb. 9thBetween 12pm to 4pmGlacial Const.SE 1/4 18-14-2E112.0 dB, 1.397 mm/sec
Feb. 7th Between 9:30 am to 4 pm Lafarge Const. NW 1/4 8-14-2E126.3 dB, 1.305 mm/sec
Feb. 6th Between 9:30 am to 4 pm Lafarge Const. NW 1/4 8-14-2E110.1 dB, 1.146 mm/sec
Feb. 1stBetween 12 pm to 4 pmMaple LeafSE 1/4 8-14-2E124.0 dB, 4.952 mm/sec
Jan. 30thBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E112.8 dB, 3.038 mm/sec
Jan. 26thBetween 12 pm to 4 pmGlacial Const.SE 1/4 18-14-2ENO TRIGGER
Jan. 24th Between 10 am to 3 pm Standard LimestoneNW 1/4 33-13-2E100.0 dB, 0.635 mm/sec
Jan. 23rdBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E120.2dB, 1.310 mm/sec
Jan. 19th Between 12 pm to 4 pm Glacial Const.SE 1/4 18-14-2E117.0 dB, 1.905 mm/sec
Jan. 16thBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2 E111.1 dB, 2.088 mm/sec
Jan.15thBetween 11 am to 2 pmStandard LimestoneNW 1/4 33-13-2E119.0 dB, 0.127 mm/sec
Jan. 4thBetween 9:30 am to 4 pmLafarge Const.NW 1/4 8-14-2E130.6 dB, 2.966 mm/sec
Archived years can be found here: