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Zone Information
Zone Name Infrastructure
Zone Slogan "The back end never looked so good."
Zone Coordinator(s) Evan Allen
Zone E-mail
Map Area
Zone Color Aquamarine


This zone is currently an amalgamation of existing parts of the space that now have a single point of contact. A result of this is that there is no picture of the zone that would not also include all the other zones as the power conduits themselves are managed by this zone even as they worm their way into every crack and crevice. Another aspect of this zone is that there is very little that needs to be centrally located here on the wiki, most of the items have their own page or subcategory and these will be cleaned up but generally left to themselves and links to them consolidated here.

One of the responsibilities of the Infrastructure Zone is maintaining the Security Cameras and approved reviewers thereof.

Table of Equipment

Equipment Authorization Owner(s) Status
Air Compressor No i3DetroitBrian McPherson Running
VMServer Yes i3Detroit Running
Nortel GPSTM No Nate Bezanson Down


^^click the title to edit the todo^^

The following list is an attempt to offer up suggestions of tasks that could be accomplished throughout the space by people interested in helping out.

Feel free to take charge of one or more of these items as your time and expertise allow. If you have taken charge of a task, please put your name into the field next to the task.

Should you run out of time or ability to complete a task, make sure to post on the mailing list and "fail loudly". This ensures that task status is shared, and no task languishes in silent failure.

Task Name Description Priority Champion
Add plug and socket for TIG welder The TIG welder is wired in to the disconnect directly which makes it inconvenient to move around. Ideally, this will utilize a relay with auxiliary, allowing the TIG and chiller to operate from a single switch. 5
Retape Weike laser cutter exhaust Several of the joints have split; redoping and retaping is in order to cut down on odors coming back into the space. 4
dust collector noise baffle Mount Roxul batts inside diy enclosure, position atop dust collector 5
Building ground Tie all the breaker panels to the building beams for ground. Make sure the bus-bar is as well. 4
Conduit Labeling Designate all conduits with the circuits contained therein, and "downstream" (toward-end-device) "flow" arrows. 2
Kiln Power The Kiln Zone has a bunch of new stuff, all running off of the plugs along the east wall. That should really get a breaker to itself. 2
Sewer lines scope our lines, maybe snake them all the way to the street (rent one at pot lock) 2
shower to mop sink convert our shower to a mop sink, it can still be used as a shower in emergencies but it has a strainer so you can dump mop buckets in to it and a hose to fill with. 2
Compressor Vent Fix compressor vent line so it doesn't keep popping off. 2
Treehouse wiring put lights on a motion sensor and maybe place a switch on the stairs so you don't need the breaker. 2
Bit torrent It seems BTsync is not quite compatible with the current settings on our router (hint: dumping massive error logs are not a good standard operating procedure) check to see why that's happening and see if BTsync is even compatible with our network. 2
Roof vents some don't one doesn't work, need fixing. At least one needs fumagating

Vent over computer zone needs wiring diagnosed, Wood shop vent needs new belt and realignment? something. Vent over CNC might need new breaker installed, breaker will not reset, doesn't appear to even try, doesn't supply power if held either, 220v pushmatic (maybe 20amp, probably could run much smaller).

Atomic clock GPS, cesium beam, Rubidium, whatever we can get working. Also use it as a timing standard for the equipment. 2 Andrew M, Ben F
Intercom Permanence Wherever the intercom equipment is gonna be, it shouldn't be running on an extension cord. Add outlets to the box in the mezzanine? Mount intercom (new intercom, from Bender) (and amp?) once work is done for classroom (to the wall?) 2
wood shop hose reel replace with better one, should be nearby 2
Add light switches for SW panel Get rid of the conduit run for breaker 9 (just the outlet by the brooms--plug the night light in to the outlet by the fan switch). Replace with larger conduit run to the opposite side of B. Nektar door, and add *proper* switches for West/Rear shop lights 2 Aaron
Front door replacement There is budget for a replacement front door, it just needs to get found, bought, and installed. 1
power for injection molding chiller replace fuses with 40A ones, the cable running it is awg 8 1
Fab Lab air drop should get replaced with hard line down to the wall in the lab. 1
Power Runs take 2 We need more circuit breakers, exactly where is to be determined, but here's a preliminary list
  • 120 near the front door for electric cars and power hungry tools to be used outside
  • Label dust-collector disconnect on north wall
  • Label all outlets with the panel and breaker that serves them
Floor pour in e-overflow Self-leveling floor compound, or just real concrete, north of the treehouse stairs. Oh jeez. 1 Nate B
Projector permanence budget for and hang a projector to point at our new projector screen. 1
Network Prettification re-wire parts of the network so they follow the main trunk and use half-decent cable, Trace, test, and label all cat-5 drops and panels 1
Thermal Insulation The space leaks lots of some energy in winter, let's find some major leaks and get some solutions in place. Luckily some of our members have FLIRs. 1
Task Name Description Priority Champion
Laser Power We need more circuit breakers, this time for the lasers
  • new 20A 120v coming from the N panel
  • something for the Laser Vent so we can stop with the extension cord already
4 Mike F
Craft Room Power We need a 240 disconnect in the craft room
  • new 10A 240v 3 phase coming from the bussbar (check the sewing machine specs if this seems too much overkill)
  • reattach conduit to building and itself, wire is run
4 potlock
re-mount and power i3 sign do the thing 3 potlock
Fix/replace hose reel by cart storage the hose reel leaks a lot, take it apart and see about rebuilding it. It should just need some grease, o-rings, and snap rings. 2 potlock
Relabel compressor disconnect fed from the busbar, the last box on the wall before it goes flexible, needs to indicate phases and amps 1 potlock
fuses for air compressor and sander replace busbar fuses with 70A ones, the cable running it is awg 6 1 potlock
Construct a better security camera system See the status report section of the project page for current progress 6 Mike
Squid cache Our squid cache does things, but not all of them are favorable. Finish setting that up. Action taken was to disable it, it was broken and no one felt like fixing it. 2
Treehouse outlets Replace treehouse outlets so plugs don't keep falling out. 2
compressor noise baffle Mount Roxul batts inside lego-block, position atop compressor exhaust 3 pot lock
Ground the TIG welder The TIG may be damaging itself and causing harmful interference to other electronics in and around the space. It is also an electrocution risk since the ground clamp is floating. The welder is now grounded via conduit to the bus bar, but is still causing interference. The manual recommends earth grounds for the welder and work surfaces to prevent reradiating high-freq. signals everywhere. See

What remains to be done is add a 90* 3/4" copper fitting to the pipe sticking out of the wall (cut pipe near the wall, insert 90, put bit back on) and clamp the ground to that

Fire extinguisher maintenance Update this text with the date the inspection tags expire. ( 11/2016) When they do, take 'em in.

*Laser Zone: CO2 and HALON, Woodshop 10#ABC, Metal Shop 10#ABC, Kiln 10#ABC, Welding 10#ABC *Jewelry 5#ABC,Office Area TBD

Wire remaining security cameras to the <s>box by the Fab Lab new cam server</s> There are some cameras that have been placed but do not have wire run to them, that needs to be rectified. 2
Cord reels are desired in metal shop and tool crib proposed reels 3
Balance breakers now that the fridges and microwave have a new home, the classroom wall is gone, and we want more lights in the space we should really re-asses how we have the breakers' load balanced. 4
re-hang fan removed due to being in the way of lighting we took a fan down, it should get cleaned and re-hung somewhere it would be useful. 2
Air line for sandblaster/welding zone it doesn't move, plumb it in permanently. Same thing with computers, desktops on wifi suck. 3 Evan, Nate W
Air line for laser zone for new cleaner cutting! 3 Evan, Matt G
Power Drops for the Wood Shop take 2 120v on the member storage for the lathe, 120v near sawstop for the small bandsaw (not needed anymore?). 4
Network reinforcement (literally) The rack ears that currently hold the network are tenuously attached to the wall and have very haphazard holes drilled in them. The ears should be ramset into the wall (after the elimination of the wooden backboard that it's currently affixed to. We may also want new ears because as previously said they are very haphazardly drilled. 2
Patch wall hole by sandblaster 1
New air compressor replacement We have member buy-in of up to ~$4500 at least, we want i3 to be willing to put forth money to bring it up to enough to buy a new 15hp screw compressor 4 Evan
Hot water to the shop sink Just needs to be run, not sure what direction though (over?) 2 Konrad B
Bathroom light Do something less-horrible with the abominable light fixture in the scary bathroom 2
Microwave Circuit Get the microwave some dedicated power so it doesn't blow the breaker when the front-door outlet is being used heavily. 1
Network placement round two Once we get the new server there will be no reason to continue using the existing server rack. The contents (the new server, and the UPS) will move underneath the fablab workbench. Power needs to be punched through the wall to give the network access to the battery backup, and possibly ventilation in the doors of the cabinet (but not vented to the shop). 3
VoIP PA system for the shop, and the office space With a functional phone system it would be nice to have a system where the shop can be paged either from the outside or from an interior phone 1
Add all the planned VoIP phones to their designated zones The Laser Cutter, CNC Shop (possibly more) need phones installed 2
VoIP PA system take 2 re-use pa amp and possibly speakers from the over-engineering light to make louder the PA 2
Server replacement--hardac.i3detroit.local Skynet died and it has been proposed to purchase a brand new server, like with a warranty and everything. The current quotes can be found here: Server upgrades 4 Andrew Meyer, everyone else too
Power Runs take 1
  • extend 240 near the garage door for the plasma cutter to be used outside
  • 240 near the garage door as a hardline for the OpenEVSE
  • extend 120 from welding zone to sandblaster
Power Drops for the Wood Shop take 1 220v for the new sander. 4
Network placement The rack that currently holds our switches takes up floorspace that could be otherwise utilized, there are mounting points for all of that gear a foot from them on the wall, they should move there. 3 Evan Allen, Justin Triplett
Network Standardization Our network is currently an amalgamation of 802.3, 802.3af, and what is known as 'dumb' POE. The plan is to make all dumb POE devices 802.3af compliamt or replace them outright, this will simplify wiring and keep everything standard. 2
Move ToDo tasks in here Lots of tasks on the general ToDo list should be in zone-specific lists for better championing 2 Evan


This category has only the following subcategory.