to allow 9' at the peak, I like a "shed style" roof, but that may not fly in your HOA.I'd put double doors on or one large one, pour a slab, or use patio blocks then lay down Wolman. plywood for a floor, I would use foam insulating board everywhere I could, walls, floor and ceiling. A few bin type windows or sliders would let in light and fresh air. If you can't get away with your wiring idea, I would use a HD 30 amp twist lock extension cord with an "outside weatherproof outlet" mounted on the home professionally installed for code, 2- 8' long flouresent lights, and a 20 amp outlet inside for a heater and dehumidifier. Dehumidifiers draw about 5-6 amps. You might be better off with a small 6000 BTU window or wall mounted AC unit,( $100 on sale at the Depot), it will take the moisture out of the air and cool it as well in the summer. I'd use thin wall conduit around the shop with about 4 double duplex boxes. You may be able to bring 220v. in and then split into 2-120v circuits. If you make ANY dust in this confined space you must first catch it with a shop vac, then filter the air, and wear a mask. A bathroom ventilator fan would exchange the air and be quiet. A slab in front would allow sawing outside weather permitting. A roll up canopy over the door way would provide "shade" and rain protection. I know this sounds like a lot of work, but I know you can do it if you try. You can get plenty of "free" advice here and from an expert close to you. My neighbor enlisted the help of a handyman for building his 2 sheds and they became friends and did tool swaps and labor trades for time worked. My advice to you.. go 4 it! bill
Chris I blame you for all these altars that are being built today and now you thinks we over thinks ’em–huh. You whipped the masses into a frenzy— now Woodworkers are trying to out pretty each other–out wood species each other –out Rube Goldberg each other. I made 2 benches in 30 years neither had a through dovetail but many were made on them and I have no idea but I would bet a dollar that neither weighed 280 pounds but they both had tons of wood on them. If you want the bench as a destination god bless but it was intended as a mean. Thats my rant I could be wrong

I ended up making a number of practice cuts. The first revealed that I hadn't tightened the screws on the edge guide enough. The second revealed that the design of the edge guide provided very little support at the end of a board, because of the cut-out for the router bit. In the "Getting Started in Woodworking" video, they had screwed a piece of hardwood to the edge-guide, to provide a continuous -- and longer -- bearing surface. I may do that myself, some day, but I didn't have the materials at hand, so I clamped some 2x4 scrap to the end of each board, to provide a continuous bearing surface past the ends. The two grooves in the long stretchers and the side groove in the short stretchers have identical layout. I made practice cuts in scrap until I had the edge guide set correctly, then I cut them all with that one setting. The bottom groove of the short stretchers uses a different setup, so it was back to the scrap, before cutting them.

I'd intentionally made it oversize, intending to trim it flush. Trimming is a little more complicated than usual, because I needed to trim it flush on two faces. The end face extended a good 3/8", so I cut off most of the excess with a circular saw and the edge guide, then flipped the edge guide upside down to make a stable platform for the router. Aside from the use of the edge guide, flush trimming the edge face was unremarkable.
The description below is an outline for how the course will proceed.  We intentionally maintain a level of flexibility in our curriculum to adapt and respond to the needs of each group of students depending on aptitude.  Each project has a basic standard of completion as well as design opportunities for elaboration and exploration of more advanced techniques.   Our instructors will guide you through projects as is best suited for your ability level.   

This Vermont Farmhouse by Real Good Toys is as pretty as the real thing. And if the seven-room home isn't big enough for the serial renovator in your kid, the site also sells additions that add two rooms to either end of the house. Just like the homes old-house lovers hope to own, this farmhouse comes with real wood shingles, wood floors, interior crown molding and a spacious porch.
Permanent or Portable? This is a distinction that decides much about your bench choice: Is it to remain stationary or must it fold, roll, or otherwise make itself scarce between jobs? Large, heavy benches are more stable and, in general, more adaptable to different jobs (sometimes several at once). But the bigger the bench, the more hassle involved with stowing it.
Through demonstrations and practice you will learn how to build a Simple Table Top. Square wood using the Jointer, Planer and Table Saw, then learn how to use the Festool Domino Joiner to keep perfect registration during the glue up. This will be a group project where everyone will help build a single table top. The goal is to gain experience and confidence...
Another aspect that might irk some buyers is the fact that the capacity of this bench is less than great outside of weight. The top’s surface area is a bit on the smaller end, though its length is more in line with larger models. The width though is less than two feet which can limit some projects. Similarly, the vice capacity is the second smallest on our list at 4 ½”, though this too can be modded with optional additions.
Assemble the vises, for the final time. You'll not be taking them off again, so tighten everything down, and attach the endplate to the ends of the screw and guide rods. Then mark and drill benchdog holes in the outer jaws inline with the benchdog holes in the top. Generally, through-holes are preferred for benchdogs, so that they don't collect sawdust and gunk. With these vises, that isn't possible, there are screws and guide rods in the way. I drilled them just deep enough to hold a Veritas Bench Pony (their reduced-height benchdog), without it sinking to where I can't get a grip to remove it. Rockler sells some very inexpensive plastic benchdogs that can't be adjusted for height, and aren't as strong as metal or wooden dogs, that I intend to keep in the holes full-time, to keep sawdust from collecting in them.
A steam box and a heat source are the two main components used to steam bend wood. Steam boxes must be able to withstand large fluctuations in temperature and humidity without breaking apart. In this two-hour workshop, students will build an optimized steam box that can last through the tough job of steaming wood, allowing them to continue creating their own projects at home!
I made a low table out of a couple of step-stools, my hollow-core door, and one of the MDF panels that would eventually form part of my top. I was concerned that any oil that dripped on the door might interfere with its glue adhesion, when I finally get around to the project for which I'd purchased it. The top side of the top sheet of MDF, though, I planned to oil, anyway. (Ditto for the bottom side of the bottom sheet.

You don’t need a fully equipped shop to enjoy woodworking! In this class, you will learn to design, make, and finish a unique wood box. With an emphasis on tool safety and material exploration, we will use a combination of power tools and hand tools to make boxes of all shapes and sizes. Beginning with a solid block of wood, you will learn how to lay out, cut, sculpt, and reassemble the block into the form of a box. Demonstrated techniques will include hidden hinges, small drawers, pull knobs, and fitted lids, as well as texturing, carving, burning, painting, and finishing. Suitable for beginning and intermediate students, all materials provided.
I would say take the shed, you'll find some use for it. I have contemplated this question also. I have a 20' x 11' basement shop, thats quickly loosing space. If you live in an area with a harsh winters (say the Midwest), does it make sense to heat the shop through the week if you are only working in the shop on the weekends? Or do you run the heaters just when you are working in the shop? What kind of heaters are recommended (radient, wood stove, etc.)?
Had a great experience at the shop! My schedule is hectic and unfortunately can't make the classes, but I did do a private lesson with Bob.  In one afternoon, we created two cutting boards.  Bob was very detailed with breaking down the process and using the machines.  Honestly didn't expect to make two cutting boards but Bob was proficient with time.  I got really comfortable using the machines especially the table saw.  I learned how to use the planer, jointer, miter saw, table saw, drill press, router, disk sander, and random orbital sander.  Really recommend folks that are interested in woodworking with little to no experience to take the Safety Orientation and the Cutting Board class or private lessons.  Looking forward to my next project at the shop!
I live in the second rainiest city in the country, Pensacola, so I am used to dealing with wet. I literally work out of my garage (read storage area, small woodwork area, washer/ ). I wheel bigger tools and table out to the little covered area in front of the garage. I have an 8 x 10 aluminum shed that is strictly garden stuff storage. I mention this for two reasons.