Assassin Posted April 1, 2019 Share Posted April 1, 2019 T-Bone isn't talking about a block (cinder block) wall. He's speaking about 30" thick solid concrete blocks. They are the blocks that are made of left over concrete brought back to the batch plant in the concrete trucks. A typical dirt berm 8 feet high is three times wider at the base, which equates to 24 feet wide. The NRA recommends 8 inch thick 8 feet high concrete walls between shooting bays. For every 50 foot wide bay with dirt berms it actually takes up 75 feet. With concrete, one can build 3 bays in the same space it would take to build 2 bays with dirt berms. Concrete is used at many ranges including law enforcement and obviously indoor ranges. I'm sure the sound issue could be resolved just as it is in a stadium, arena, or auditorium. T=Bone, try a couple out and see how they work. Link to comment Share on other sites More sharing options...
Smokin Gator SASS #29736 Posted April 1, 2019 Share Posted April 1, 2019 The loud sound issue would be less of a factor for SASS matches compared to other action shooting sports with 125 and 165 power factor minimums. Link to comment Share on other sites More sharing options...
Arcadia Outlaw, SASS 71385 Posted April 1, 2019 Share Posted April 1, 2019 I shot at one club that had earth berms as well as concrete, much preferred shooting the earth berms better because of the echo from the concrete. My home club had earth berms then switched to wood which went from 3 bays to 5 really nice sized bays. The wood consists of 6x6 posts with 2x6’s screwed horizontally on both sides of the posts then filled with gravel, they have worked well and not noisy. The downside to either wood or concrete is that you can’t have shooting into side berms which we were not allowed to do anyway. AO Link to comment Share on other sites More sharing options...
Mustang Gregg Posted April 1, 2019 Share Posted April 1, 2019 I would suggest that if you have those big blocks as a backstop, that you bank sand up in front of them. Sand catches the bullets that miss. Sand will keep the concrete back wall from getting damaged. Sand is easy to "clean" if you have EPA issues of recovering lead frag. Sand is easy to pile back up when it erodes down from rain & shooting. Sand is pretty cheap (here anyway). Down side: You won't see much of a bullet splash on misses. MG (who does not own a quarry) Link to comment Share on other sites More sharing options...
Smokin Gator SASS #29736 Posted April 1, 2019 Share Posted April 1, 2019 I've only seen the big solid concrete blocks used as side berms, not backstops. Link to comment Share on other sites More sharing options...
ChuteTheMall Posted April 6, 2019 Share Posted April 6, 2019 They ain't authentic cowboy (but neither are electronic timers). It's hard to get the Mexicans to pay for walls. Link to comment Share on other sites More sharing options...
T-Bone SASS #36388 Posted April 6, 2019 Author Share Posted April 6, 2019 Ok thanks y'all. I have decided to do something else with the Range money and a a work day. Nuttin has volenteered to take on electric lead man, Reckon has the plumbing covered, Marshall Jack is in charge of Carpenters, this should get very interesting before the end of the project. NO concrete walls due to Ranch Hands wanting a shower house and new sit downs for the women's. New workday is scheduled and we invite everyone to come help finish the project. Link to comment Share on other sites More sharing options...
Double Tap Taylor Posted April 7, 2019 Share Posted April 7, 2019 If you have someone shooting BP it intensifies the sound Link to comment Share on other sites More sharing options...
Matthew Duncan Posted April 7, 2019 Share Posted April 7, 2019 Louder? We all where hearing protection so will the "louder" really be noticeable? Link to comment Share on other sites More sharing options...
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