There are myriad ways to build sturdy, simple shelves. YouTube has many videos of different methods so pick one that fits your needs. A 6' span is nothing to sneeze at so build it sturdily. Be extra careful if it is intended for canning jars, earthquake prone areas or for use near kids who like to climb.
To complete this BB, the minimum requirements are:
- custom sized for a need
- 8 to 24 inches deep
- made with dimensional lumber (no plywood, osb, etc)
- screws with clearance holes
- at least two shelves high
- at least six feet wide
- possibly free standing, possibly attached to an existing wall
To document completion of the BB, provide photos or video (<2 min) of the following:
- Several times during construction
- The finished shelving. Close enough to see the materials and general assembly.
Not sure if this applies in terms of materials and whatnot, but I built these shelves in my van for storage. They're a little over 7' long, ~ 24" tall. Used 2"x2" for supports for most of it, and 1"x2" for lighter support area. It's screwed into the ceiling frame, which is 2x2 steel tubing, with beefy self-tappers. Screwed into the wall framing with L-brackets to support the wood. The facing boards are 1x4 red cedar, which had pilot holes drilled into the supports behind, then screwed together. The cedar boards are connected in the back with flat T-brackets. Fun part was the angle everything had to be at since the roof wall slants inward toward the ceiling. Wood on the side of the cabinet is some scrap 1/4" project ply I had leftover from other parts of the van build. Stapled that to the 2x2 supports. So, it's not in a sticks and bricks home, but it's as earthquaky as possible in there and it's holding together fantastically. Haven't had any issues or screws working themselves out. Didn't use any glue. Decided to go with the wire rack (which I got from the Habitat ReStore) because it's lightweight and allows air flow.