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





Dec. 18thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E
Dec. 17thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2EPOSTPONED
Dec. 16thBetween 10am to 3pmMaple Leaf Const.SE 1/4 8-14-2E
Dec. 6thBetween 12pm to 4pmGlacial Const.SE 1/4 18-14-2E113.3 dB, 1.12 mm/sec
Dec. 5th Between 10 am to 3 pm Maple Leaf Const. SE 1/4 8-14-2E
Dec 4thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2EPOSTPONED 
Dec 3rdBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E110.6 dB, 1.756 mm/sec
Nov. 29thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E112.8 dB, 1.87 mm/sec
Nov. 27thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E114.8 dB, 0.00338 in/sec
Nov. 27thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E111.0 dB, 6.137 mm/sec
Nov. 19thBetween 12pm to 4pmGlacial Const.SE 1/4 18-14-2ENO TRIGGER
TEST SHOT: 106 dB, 1.02 mm/sec
Nov. 18thBetween 11am to 3pmMaple Leaf Const.SE 1/4 8-14-2E
Nov. 18thBetween 12pm to 4 pmHeidelberg MaterialsSE 1/4 6-14-2E121 dB, 0.0551 in/sec
Nov. 8thBetween 9am to 4pmMaple Leaf Const.SE 1/4 8-14-2E
Nov. 8thBetween 11 am to 4 pmGlacial Const.SE 1/4 18-14-2E125.9 dB, 1.12 mm/sec
Nov. 7thBetween 12 pm to 4 pmHeidelberg MaterialsSE 1/4 6-14-2E108.7 dB, 1.778 in/sec
Nov. 5thBetween 9:30 am to 4 pmLafarge Const.NE 1/4 8-14-2E109.9 dB, 1.961 mm/sec
Nov. 1stBetween 9am to 4pmMaple Leaf Const. SE 1/4 8-14-2E
Oct. 30thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E
Oct. 29thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E116.3 dB, 0.0703 mm/sec
Oct. 28thBetween 9 am to 4 pmLafarge Const.NE 1/4 8-14-2 E117.1 dB, 2.093 mm/sec
Oct. 25th Between 9 am to 4 pm Maple Leaf Const.SE 1/4 8-14-2E119.5 dB, 2.53 mm/sec
Oct. 25thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E117.9 dB, 1.35 mm/sec
Oct. 23rdBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E108.6 dB, 0.141 in/sec
Oct. 23rdBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E118.5 dB, 3.636 mm/sec
Oct. 18thBetween 12pm to 4pmArmstrong Const.SE 1/4 28-17-2E
Oct. 17thBetween 9am to 4pmMaple Leaf Const.SE 1/4 8-14-2E122 dB, 2.286 mm/sec
Oct. 16thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E111 dB, 0.0563 in/sec
Oct. 16thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E109.1 dB, 1.902 mm/sec
Oct. 15thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E120.7 dB, 1.300 mm/sec
Oct. 10thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E114.9 dB, 3.947 mm/sec
Oct. 9thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E112 dB, 1.35 mm/sec
Oct. 8thBetween 9am to 4pmMaple Leaf Const.NE 1/4 8-14-2E106.9 dB, 5.34 mm/sec
Oct. 4thBetween 11am to 4pmHeidelberg MaterialsNE 1/4 32-13-2ENO TRIGGER
TEST: 109.9dB, 1.02 mm/sec
Oct. 3rdBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2ENO TRIGGER
TEST: 88.2dB, 0.611 mm/sec
Oct. 2ndBetween 9am to 4pmMaple Leaf Const.SE 1/4 4-14-2E116 dB, 2.286 mm/sec
Oct. 2ndBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E124.6 dB, 4.826 mm/sec
Oct. 1stBetween 9am to 3pmMaple Leaf Const.SE 1/4 8-14-2E114 dB, 3.429 mm/sec
Sept. 25thBetween 11am to 2pmArmstrong Const.SE 1/4 28-17-2E118 dB, 0.320 mm/sec
Sept. 25thBetween 9:30am to 4pmLafarge Const.SE 1/4 8-14-2E115.6 dB, 1.460 mm/sec
Sept. 24thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2ENO TRIGGER
TEST: 88.2dB, 0.611 mm/sec
Sept. 23rdBetween 9am to 3pmMaple Leaf Const.SE 1/4 8-14-2E124 dB, 2.159 mm/sec
Sept. 23rdBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E113.6 dB, 0.0603 in/sec
Sept. 16thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E123.8 dB, 3.572 mm/sec
Sept. 16thBetween 9 am to 3 pm Maple Leaf Const. SE 1/4 8-14-2EPOSTPONED
Sept. 16thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E121 dB, 1.74 mm/sec
Sept. 13thBetween 12pm to 2pmHeidelberg MaterialsSE 1/4 6-14-2E111 dB, 0.0566 in/sec
Sept. 11thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E115.7 dB, 1.595 mm/sec
Sept. 9thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E117.1 dB, 1.716 mm/sec
Sept. 6thBetween 10am to 2pmHeidelberg MaterialsNE 1/4 32-13-2E126 dB, 3.64 mm/sec
Sept. 4thBetween 9 am to 3 pm Maple Leaf Const.SE 1/4 8-14-2E118 dB, 1.524 mm/sec
Sept. 3rdBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E118 dB, 0.127 mm/sec
Sept. 3rdBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E111.8 dB, 1.623 mm/sec
Aug. 28thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E115 dB, 0.0841 in/sec
Aug. 26thBetween 11am to 4pmGlacial Const.SE 1/418-14-2E110.1 dB, 0.103 mm/sec
Aug. 26thBetween 9am to 3pmMaple Leaf Const.SE 1/4 8-14-2E116 dB, 2.540 mm/sec
Aug. 26thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E114.4 dB, 6.129 mm/sec
Aug. 19thBetween 12pm to 4pmHeidelberg MaterialsSE 1/4 6-14-2E106 dB, 1.397 mm/sec
Aug. 20thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E130.2 dB, 1.472 mm/sec
Aug. 19thBetween 9:00 am to 3 pm Maple Leaf Const. SE 1/4 8-14-2E116 dB, 2.286 mm/sec
Aug. 16thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E114.4 dB, 6.519 mm/sec
Aug. 15thBetween 9am to 3pmMaple LeafSE 1/4 8-14-2EPostponed 
Aug. 12thBetween 11am to 2pmArmstrong Const.SE 1/4 28-17-2E
Aug. 9thBetween 11am to 4pmGlacial Const.SE 1/4 18-14-2E114.2 dB, 1.24 mm/sec
Aug. 7thBetween 9am to 3pmMaple LeafSE 1/4 8-14-2E112 dB, 0.113 in/sec
Aug. 7th Between 9:30 am to 4 pm Lafarge Const. NE 1/4 8-14-2E118.6 dB, 6.923 mm/sec
July 31stBetween 10am - 3 pmMaple LeafSE 1/4 8-14-2E114 dB, 1.778 mm/sec
July 31stBetween 12-4pmHeidelberg MaterialsSE 1/4 6-14-2E112 dB, 2.667 mm/sec
July 29thBetween 11am - 4pmGlacial Const.SE 1/4 18-14-2E113.2 dB, 0.0703 mm/sec
July 25thBetween 11am-4pmGlacial Const.SE 1/4 18-14-2E110 dB, 0.127 mm/sec
July 25thBetween 9:30am - 4pmLafarge Const.NE 1/4 8-14-2E113.7 dB, 3.164 mm/sec
July 23rdBetween 9am - 3pmMaple LeafSE 1/2 8-14-2E117 dB, 2.540 mm/sec
July 22ndBetween 12 - 4 pmGlacial Const.SE 1/4 18-14-2E115.7 dB, 0.119 mm/sec
July 19thBetween 9:30am to 4pmLafarge Const.NE 1/4 8-14-2E129.1 dB, 4.860 mm/sec
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--2E110 dB, 2.159 mm/sec
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 8-14-2E116.9 dB, 5.307 mm/sec
July 5th Between 9 am to 3 pm Maple Leaf Const. SE 1/4 8-14-2E112 dB, 1.651 mm/sec
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 8-14-2E128.7 dB, 2.595 mm/sec
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 8-14-2E124.7 dB, 6.043 mm/sec
June 26thBetween 10am - 3pmMaple LeafSE 1/4 8-14-2E119 dB, 2.159 mm/sec
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: