Blasting

Coquihalla Highway, near Hope, BC

Issues that often need to be addressed in blasting operations include stability of the final excavated faces, and the control of ground vibrations and noise. Well-developed procedures are available to address these issues, which will usually involve the preparation of suitable contract specifications and payments methods.

Services

  • Determination of special conditions governing blasting operations such as final wall stability, ground vibration, flyrock and noise control;
  • Geological studies of rock quality, fracture spacing and rock strength;
  • Design of blast hole layout and explosive loads consistent with project requirements such as final wall blasting and limitations on ground vibration;
  • Pre-blast surveys of structures at risk from blasting operations;
  • Preparation of specifications;
  • Assessment of blast damage claims.

Wyllie & Norrish Rock Engineers Ltd. | Canada

1400–750 West Pender St, Vancouver, BC V6C 2T8

(604) 418-4617 | dwyllie@wnrockeng.com

Wyllie & Norrish Rock Engineers Inc. | United States

704-228th Ave NE, #773, Sammamish, WA 98074

(206) 790-3476 | nnorrish@wnrockeng.com