Blast Design

Flyrock in Blasting: Causes, Calculations, and Practical Control Methods

Flyrock in Blasting: Causes, Calculations, and Practical Control Methods Flyrock is one of the most serious hazards associated with blasting operations. It occurs when fragments of rock are ejected outside…

Why and How We Use Inert Decking in Surface Blasting?

How to Calculate the Number of Drill Holes in a Blast (Using hole diameter or burden and spacing values)

A Practical Lesson from PETS Training During one of our Practical Explosives Training School (PETS) classes, we discussed blast design fundamentals and worked through several real-world blasting examples. During the…

Top 10 Mistakes New Blasters Make

Top 10 Mistakes New Blasters Make Practical Lessons from the Field Blasting is one of the most powerful and effective tools used in mining, construction, quarrying, and avalanche control. However,…

Introduction to Loading Density in Blasting Using PetsTool Calculator

Introduction to Loading Density for Blasters How to Calculate It and Use the PETS Toolbox Calculator Loading Density (LD) is one of the most useful calculations in blast design. It…

Monthly Explosive Inventory & How to calculate it

Using the PETS Toolbox Inventory Calculator For licensed blas For licensed blasters, explosive inventory is not optional — it is a regulatory requirement. Whether you operate under ATF regulations, state…