[Build] Landlord
Dr. Jesus
j at hug.gs
Sun Aug 16 20:45:26 UTC 2009
On Sun, Aug 16, 2009 at 1:11 AM, Andy Isaacson<adi at hexapodia.org> wrote:
> On Fri, Aug 14, 2009 at 02:52:20PM -0700, Dr. Jesus wrote:
>> The gate needs to be modified so that pushing hard on it doesn't cause
>> it to pop open. Either he can do it or I can do it.
>
> This sounds like a great idea. I would assume that the landlords are
> not going to do it, so we should plan on doing it. Given that the gate
> is inherently not secure against climbing over, I am a bit loathe to put
> too much effort into it.
>
> I'm pretty sure they'd prefer to stick with keys than go to prox cards.
> We should add a prox card reader and improve the striker -- preserving
> the existing keying if at all possible -- rather than building a
> proxcard-only system.
>
> Would it be possible to add a separate cylinder lock keyed to the 83c
> key that activates the electronic strike? That would remove one of the
> necessary keys for NB access. I'm envisioning a small box mounted on
> the wall, into which I stick my NB key and turn to activate a switch.
The exterior access will be by key and proxcard, and the key tumbler
will be keyed for the 83c key. Stop reading my mind. :)
>> Modifying the front door is not a hard requirement for me like the
>> gate is, but key management will be a little more complicated without
>> doing so. I'm trying to simplify access control down either to one
>> key or one prox card for all members, and if the glass doors continue
>> to use the existing tumblers then I can't do that. I need to
>> understand the key management impact to select one of the available
>> options, which are: do nothing and we use two keys, swap out their
>> keys for prox cards ($1.80 each if we pay), or swap out their keys for
>> our keys ($0.75ish each if we pay).
>
> Seems to me the existing glass-door key system is suboptimal. Can we
> replace it with something cost-effective and equally secure that would
> enable prox card access? Ideally preserving some form of key access for
> the other tenants, but if that's not feasible we could raise the
> possibilty of providing prox cards to other tenants.
Again, we are in agreement.
>> > * how this will affect the 2nd floor tenants
>>
>> Out of all the above options, the only solution to the requirements
>> which doesn't involve them at all is changing the gate or the gate's
>> striker and not modifying the glass doors.
>
> We can involve other tenants. We shouldn't expect them to lay out a ton
> of money on our project, though. Ideally the solution will come at zero
> up-front cost to the other tenants -- yes, this means we comp them prox
> cards for their existing keyholders if we go to a prox-card-required
> system -- and low ongoing expenditures. Keys are a well-understood
> system with bounded costs, which is a compelling feature for a low-end
> merchant.
>
>> > * what we need the landlord to do, if anything
>>
>> Help us understand the key management impact to him and our downstairs
>> neighbors if we change the locks, and whether he's open to doing that
>> in the first place.
>
> I have the impression that ~20 employees of the 2nd floor tenant have
> keys to the gate. It was my impression that only some (maybe only the
> manager?) have keys to the glass doors.
>
> The first-floor tenant also has access to the lobby mailbox.
>
>> > * why they should let us do it (hopefully this is something like, "it'll
>> > be a lot more secure and you don't have to do any of the work")
>>
>> If he's open to changing the keys at all, and prox cards are suitable
>> replacements, then he gains the following benefits over regular locks:
>>
>> - Log when his users come in (but not out) if he wants to.
>>
>> - Remote key disable.
>>
>> - Very minor increase in property value if he chips in for any of
>> this. Otherwise, it's our property.
>
> If we build this, even if we pay for it, it becomes a building
> improvement and we leave it in place when we leave. That's just basic
> tenant relations as well as good business sense -- if we were to assert
> ownership of the access control, the landlords would have a strong
> disincentive to approve the project.
>
> This also means that whatever we build should have a subset that is
> industry standard. We can add on AnonAccess --
> http://events.ccc.de/congress/2007/Fahrplan/attachments/989_anonaccess.pdf
> https://www.noisebridge.net/wiki/AccessSystem
> -- if we want, or whatever other additional systems we choose, but there
> should be something that a commodity locksmith will recognize and be
> able to fix after Noisebridge enters the Singularity and is bodily
> uplifted in the Rapture of the Nerds.
The prox system I'm going to deploy is standard 125khz HID since
that's what I have lying around. In the future I can do something
else, but I need to figure out what something else would be. Hence
the last survey I sent out.
More information about the Build
mailing list