What a cool resource- a good read even if it was written in 1914! knowing the pests that are endemic to Hawaii and their remedies / preventative measures is very helpful. I also like that we think alike in that the plans are based on a 4x8 sheet of plywood! Easy to work with and easy to expand.
Below is a graphic of the coop I am drawing up for our place. While we want it as close to code as possible, we want to avoid it needing to be permitted by staying below the counties size restrictions.
We originally thought to keep the layers and meat birds separate but decided that the center wall will be deleted so they will mingle, with a future addition to house more birds, as well as adding space for other species. We plan to have separate but run connected coops for pheasant, turkeys and maybe quail. Since we are stating our mini farm with the birds, where we put the coop and run on the property will dictate all other housing that follows.
We recently upgraded our own water purification system to a Viqua whole house system so we have reserved the old filter system for filtering the animals water supply. The roofs will be guttered for collection into a separate cistern but all water will pass through our old filtration system since there are nasties (Rat lung fluke, etc) I don't want my future food to ingest.
I plan on automating the coop as much as possible- Pop doors, lighting for the hens, Auto waterers, feeders, and perhaps an auto cleaning system similar to the Kitty litter box cleaners for the under roost areas, just super sized. I will be documenting this process with photos, and I already am in the build process for the hopper for the feed- I am re-purposing the old pressure tank from the water system for this. I have the adapter flange in place but need to cut off the top to weld in a retaining ring so it can act as a secure lid.
In the second photo you can see the tank I am working on. The old pressure bladder I removed from it is to the back left- it's the orangie/cream looking thing. This is a really good reminder to sterilize the system as often as they recommend it! As the tank currently sits in the photo, it would actually be upside down. The flange will be to the bottom side and connect to the piping to direct gravity fed feed to the vertical feeders.
The water filter unit for the chickens in visible in the right side in blue.