Drilling and Blasting Rock in the Forest – Testing a Surface Charge

*English subtitle available* 00:00 Fetching the mobile compressor with the UTV and bringing it to the garage 00:36 Replacing the air hose and function-testing the compressor 05:27 Taking the rock drills and heading out to the forest 07:30 Using the excavator to clear rocks before drilling 11:15 Picking up more air hose and fixing an air pipe for the compressor 13:07 Using the mobile compressor to blow dirt off the rocks before drilling 16:02 Marking where I’m going to drill with paint 16:36 Using the air drill for the first time drilling a rock 20:20 Going for a swim in the lake to cool off from the heat 21:08 Using water containers as weights for the rock drill 21:57 Testing the speed/feed rate of my three rock drills atlas copco rh 571 5l, rh 656 4w and pionjär 120 23:16 Drilling all holes needed for blasting the rocks 26:58 Going for another swim and then heading to the car bingo 28:31 Picking up dynamite and detonators 28:48 Blowing off the rocks to clear drill dust before loading 29:12 Arming the dynamite with detonators and loading the rocks 34:27 Blast 1 going off 35:00 Rock blast replayed in reverse 35:24 Rock blast in slow motion 36:35 Cleaning up rocks at the blast site with the excavator 38:04 Checking the hole material after the blast 39:02 Taking another swim in the lake, finding blue mussels 39:43 Digging out the rock to set up a surface blast 41:16 Loading a surface charge on the rock to see how well it works 43:07 Blast 2 — firing the 2.5 kg surface charge 44:15 Result of the surface blast with 2.5 kg of dynamite 45:30 Driving to the moose tower made from a machine cab to pick up a new switch for the mobile compressor 47:02 Replacing the starter switch on the compressor 50:12 Drilling the last rock with the Pionjar 120 50:52 Loading the rock with 250 g of dynamite 51:19 Blast 3 — single hole shot 51:43 Rock blast replayed backwards 51:58 Rock blast in slow motion 52:20 Result of the rock blast 52:51 Talking about legality and safety when using explosives in the forest 54:48 Going out with a bang