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Thread: Indoor range

  1. #16
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    True 40mm, but it's also good to know what you are up against....

  2. #17
    Member 40mm's Avatar
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    Quote Originally Posted by Ranger 888 View Post
    True 40mm, but it's also good to know what you are up against....
    Also true.
    Use enough gun

  3. #18
    Member Cyclops's Avatar
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    Quote Originally Posted by mimms2 View Post
    Depends on zoning. If rural then "agricultural impact noise" levels are high and as long as he's not shooting near the cunt's boundary then should be no problem.
    There's 10,000 things that affect perceived noise. Cartridge? Powder? Supressor? Velocit, wind direction, air density, reflective/absorbative surfaces and on and on.
    As long as the noise at boundary isn't hazardous (<113 dB I think) then neighbour can go spin.
    "Most" of the noise is muzzle blast. So supress everything.
    Larger diameter pills will displace more air so have "louder" sound signature than smaller ones.
    The noise limit that is applicable is the limit in your district or city plan and how & where the plan specifies that the noise is limited.

    In my area's district plan the daytime max noise limit is 80 dB.
    A 308 target rifle measured a couple of metres behind the mound is 81-85 dB.
    At the boundary it will be less.

    A council won't generally act or react until there is a complaint.

    Once there is a complaint a council has to act. Initially this may be monitoring and measuring to see if there is a breach of their plan. IF there is a breach of the plan's rules then the creator of the noise may be advised to apply for a resource consent &/or an abatement notice may be issued. There are daily fines for breaching abatement notices.

    It only takes 1 person, not necessarily a neighbour to complain to trigger the process.
    I've seen a passing cyclist start the complaint process.

  4. #19
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    Quote Originally Posted by norsk View Post
    Line 30 used car tyres up and shoot down the middle.
    It works like a giant suppressor and is free.
    Thats the same thought I have.....used tires to act as a giant suppressor.If there was a source of old truck or even larger tires it would have much more clearance inside and should contain a large chunk of the noise a high velocity rifle makes.

  5. #20
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    Talked to owner more and got more info. Council got involved and ended in a court ruling of 55 decibels but not sure where measurements are/ were taken from. Anyway using a modified container with sound proofing materials he got the initial blast noise etc down but the disturbance of the bullet passing through the air to the target produced 65 decibels. As said digging a trench and roofing it will be probably be the best and cheapest option. As luck would have it I may have found about 50m worth of old precast concrete slabs. Will be following up and then maybe make some forms up and make the rest. Thanks for you guys input. Will post the outcome if we give it ago but will be a few months at least.
    Pengy and berg243 like this.

  6. #21
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    try using deer fence windbreak held up with netting. dig your trench then anchor windbreak along bottom corners of trench all the way along with netting on the outside of it also anchored then pull netting and windbreak up to top of trench then anchoring it a few metres from trench edge then install a double row of tires stacked on their side one tire width from the edge filled with dirt from trench stand a row of tires on their edge on trench side of tire stack bolted together and bolted to the stacked ones dont fill vertical tires with dirt fully just the bottom then you can keep stacking tires on their flat and filling them to as high as you require them .if you dont want to dig a trench then just make tire walls. most tire outfits will give you tires for free rather than use concrete that cost you good coin and you can hang used carpet as baffles across the firing lane, if you hang it so you cannot see daylight between each bit it should absorb the sound but allow excellent light along the firing line.

  7. #22
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    Greetings All,
    I have a range on our small block. It is only used occasionally and I had previously spoken to all of the near neighbors and do so to the new ones when properties change ownership. I limit myself to 10 or so shots to each session and not on consecutive days. This means that if a neighbor hears some shots they know they will stop soon and there won't be any tomorrow. One of the neighbors asked if I could let him know prior to shooting so he could put his noise averse dog in a room with the radio on. Done. My range is in a small valley, with the bench in a grove of trees and our property extends to the ridge line on three sides so there is likely some noise abatement from that. Recently I started fitting suppressors to my rifles and this has helped greatly. Even my wife only hears one shot of two only about 30 metres from the bench. These days I also save the un suppressed rifles for our club range days as much as possible.
    I think the message here is to keep the din down, as much as possible, in both volume and duration and talk to your neighbors before blasting away.
    Regards Grandpamac.

  8. #23
    Member Pengy's Avatar
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    Quote Originally Posted by r87mm View Post
    Talked to owner more and got more info. Council got involved and ended in a court ruling of 55 decibels but not sure where measurements are/ were taken from. Anyway using a modified container with sound proofing materials he got the initial blast noise etc down but the disturbance of the bullet passing through the air to the target produced 65 decibels. As said digging a trench and roofing it will be probably be the best and cheapest option. As luck would have it I may have found about 50m worth of old precast concrete slabs. Will be following up and then maybe make some forms up and make the rest. Thanks for you guys input. Will post the outcome if we give it ago but will be a few months at least.
    Have you contacted Shane? He managed to get signed off on a 25 mtr indoor range within cooee of residential etc, so probably has the good oil
    Forgotmaboltagain+1

  9. #24
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    He's in a building with a range built into it as part of the build so a bit different. This person has already had history with the neighbor and has court ruled conditions to stick to. It's not so bad if you look at it. They haven't said he can't or shouldn't do it and he's been set rules and limits that are quite achievable. Just a matter of meeting them in the best and most cost effective way. Even wondered today how cool store panels would go as a roof on a trench? Concrete lidded trench would be the longest lasting and cheapest. Cement and mesh would be the only real cost
    Pengy likes this.

  10. #25
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    just remember concrete will reflect noise softer materials will absorb sound.

 

 

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