imported post
pourshot wrote:
67GT390FB wrote:
pourshot wrote:
Screw the bolts...just put a bunch of bags of lead shot in the bottom. :celebrate
i hope you are joking. you'd be amazed at how much weight one man can move with a good hand truck. a small safe like the one the OP is looking for would be no problem for one guy to slide the truck under and roll around even if it were loaded down. but to each his own:monkey
Nope. Considering the size of the bolt holes on some I have seen I would not think they are adding much to the security of the safe. Where as the weight stays with the safe. I have moved mine around several times with a hand truck empty. I cannot tilt them full. I think the small ones are really just a target. Especially the stack-ons by Sentry. You are better off filling one of those 1/4 way with lead shot and then just hide your guns elsewhere. They have little theft and no fire protection.
just a few quick notes on anchor strength. the allowable tension loads on one 1/4"diameter hilti expansion anchor with a 2" embedment in 2000psi concrete is 595# your typical residential garage slab is 3000psi concrete 4" thick. when you go up to 3000 psi concrete the same anchor has an allowable tension load of 675#. this means by code i am allowed to calculate that the anchor will pull pull out when 595 or 675# of force is applied to it. this means that 4 itty bitty 1/4 diameter achors have now added approx 2400# plus the weight of the safe to the effort needed to lift the safe.
if you can get a single 3/8 anchor in their with a 2.5" embed you get a tension rating of 1120# for 2000psi conc and a 1340# for 3000psi conc. so 4 anchors would get you 4480#'s of resistance.
those are allowable loads which have safety factors built in. when iuse ultimate/failure loads 1/4" anchors are good for 2375# each in tension in worst case 2000psi conc and 3/8" aregood for 4720# each.
shear loads the load that would cause the bolt to break across its cross section are 400# and 1345# respectively for allowable loads and 2530# and 6210# respectively for ultimate loads in 2000psi concrete.
again to each his own but if you want your safe to stay put anchor it. even lag screws into wall studs or floor joists will prevent the tipping necessary to get a hand truck under it. theres always someone bigger or stronger just because you can't tip it doesn't mean Bubba can't or cant use a lever and fulcrum while bubba2 slides the truck under it.
