Here is a better link to the Cascade facility showing the range layout. 

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frnkeore wrote on Feb 9^th, 2015 at 2:07pm:


You can do that easily with Google maps.  If you right click there with ab a distance measurement option.   

Certainly a baffles system to prevent direct shots off is important.  As soon as they are up there will be evidence of their effectiveness. 

There are instances of several hundred feet of hill/ mountain not being sufficient online   One was the facility in Hawaii.  They were speculating about how a projectile could get over that volcano hitting cars ect on the other side.   I believe the answer lies in the pictures; the deep ruts on the back stop caused by years of face climbing with projectiles going out the top.  I am wondering how they kept from filling the volcano with lead?

In the incidents I found online, there were a couple others with projectiles going over 200 to 4 or 500 feet of change of elevation.  Goggle maps close ups showed evidence of flat hits and face climbs. 

WE have 140 foot back stop.  I was quite dismayed to see these instances where projectiles went over hills 2 and 3 times higher 

Bob,
Yes, I see what you mean about a bullet R in a well warn groove in back of a target butt.

The rnge that I'm talking about doesn't have regualar butt's It's a wide bank (about a 75 deg angle) and then the hill that starts about 50 up. Not many hits in any one spot and no matches are shot there.

Do you have ant suggestions for that type a back stop?

Frank

PS
We already had one fool, file suit because he got within a few feet of a metal swinger and got hit (no wound) with HIS R. 

Our ins was cancelled and the rnge was closed 2 mo. We got re-ins by NRA though.

Pentz wrote on Feb 9^th, 2015 at 4:28pm:


Definitely valid points. However, the preponderance of the evidence is the loss of projectiles is the most likely source and R studies certainly support that conclusion. 

The obvious question is whether the shooting community waits to react to proven beyond the shadow of a doubt cases with probable closures or are we going to be proactive preventing possible sport ending  consequences?  These same facilities support training for those interested in self defense.  Of course, most of that activity could be moved indoors to secure facilities.  Long gun sport and training will be the biggest losers. 

The potential impact area around our facility is suburban with 4 schools within 1 1/2 miles.  These issues have the potential to go viral

I would suggest in the interest of safety, someone in every club should attend an NRA Range Conference.  It will scare you. The NRA generally farms them out to an company that builds or rebuilds ranges.  There is a lot of good information covered, but your responsibilities will scare you. I attended one several years ago.  I learned more than I wanted to.

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Kurt

Kurt_701 wrote on Feb 9^th, 2015 at 5:31pm:


Did they say a word about keeping projectiles in back stops or on site?