filing in an inspection pit
- joninc
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filing in an inspection pit
hey audio amigos. i am at the very start of a setting up a new studio space and it'll be retrofitting a detached 3 bay garage that was used for auto repairs and stuff. before we get to beefing up the structure and insulating i need to deal with this inspection pit in one of the bays. it's approx 4 feet deep, 4 feet wide and 15 feet long.
what's the best way to fill this in that won't create a resonating cavity for acoustic
problems later on? we may also raise this section of the floor as it's lower than the rest of the garage.
we are leaning towards crushed rock as it's alkaline properties will help keep it
bug and spider free (unlike sand where they could still live and cause problems
later).
any tips?
it's a little damp and wet at the base as well but not flooded or anything.
what's the best way to fill this in that won't create a resonating cavity for acoustic
problems later on? we may also raise this section of the floor as it's lower than the rest of the garage.
we are leaning towards crushed rock as it's alkaline properties will help keep it
bug and spider free (unlike sand where they could still live and cause problems
later).
any tips?
it's a little damp and wet at the base as well but not flooded or anything.
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- rhythm ranch
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- Randyman...
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Maybe make it a big ass bass trap? Probably not very likely to line up with your floor plan, but who knows. Stuff it full of pink fluffy (that's big enough that OC703 would be a waste IMO - pink fluffy insulation is preferred over 703 in very deep traps from what I understand - and is a LOT cheaper than 703). Vent the pit adequately through the floor to couple the room. Just a thought...
If not, maybe just fill it with sand or something to be sure it ends up totally dead (inert)?
If not, maybe just fill it with sand or something to be sure it ends up totally dead (inert)?
Randy V.
Audio-Dude / Musician / PC Guru / Crazy Guy
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- Gregg Juke
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Yeah, I can't help thinking that you could find an unfilled use for that space; if not a reverb chamber, maybe some insulation and padding and use as a guitar amp enclosure/recording space? Cool secret storage area? As a reason to save up for or build your own plate reverb??
GJ
GJ
Gregg Juke
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- joninc
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btw - they aren't quite this big http://www.youtube.com/watch?v=8H84H78jeT8
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- A.David.MacKinnon
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joninc wrote:btw - they aren't quite this big http://www.youtube.com/watch?v=8H84H78jeT8
- Snarl 12/8
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- joninc
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hi dave! it's in Maple Ridge, BC.A.David.MacKinnon wrote:Very exciting. Where's the new place?rhythm ranch wrote:Can you say "reverb chamber"? It's small, but I'd still be tempted to try it.
Agreed about the reverb chamber.
I really don't think a 3 feet deep trench is gonna give the space needed for a good chamber though guys!
the new rules : there are no rules
Crushed rock with a slab poured over it should do the trick. If the rest of the floor is concrete, make sure you dowel the opening around the inspection pit to the new slab. You can drill holes for bits of rebar into the sides of the opening and tether the new pad's rebar to it.
I have to agree that it's too bad that the pit can't be made into something more useful. Worst control room ever? Inconvenient mic locker? I'm sure we could all think of something.
I have to agree that it's too bad that the pit can't be made into something more useful. Worst control room ever? Inconvenient mic locker? I'm sure we could all think of something.
I make a living as an electrician, not recording in the basement.
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