For each locker you will need:
1 sheet of 3/4" hardwood or cabinet grade plywood ripped into 15 3/4" wide strips
1/3 sheet of 1/4" plywood for back (you'll need to buy a whole sheet but one whole sheet will cover 3 lockers)
1 - 1x3 @ 4 feet long (more if adding shelf hooks)
1 - 1x2 @ 4 feet long (more if using as shelf supports)
1 set hinges
1 handle or knob
hooks if desired
Can be built with pocket holes (use 1 1/4" screws) or 2" countersunk screws or finish nails and wood glue.
2 - 3/4" plywood @ 15 3/4" x 68"
1 - 3/4" plywood @ 15 3/4" x 17 1/2"
1 - 3/4" plywood @ 15 3/4" x 16"
2 - 1x3 @ 16"
2 - 1x2 @ 16"
1 - 1/4" plywood @ 68 3/4" x 17 1/2"
Shelves are 15 3/4" x 14 1/2" (note shelves are 1/4" less in width than interior to enable easy placement at different heights with recommended shelf pins. You can also support with 1x2 boards @ 14 1/2" long - see in plans)
1 - 3/4" plywood @ 15 3/4" x 63 3/4" (door)
Please read through the entire plan and all comments before beginning this project. It is also advisable to review the Getting Started Section. Take all necessary precautions to build safely and smartly. Work on a clean level surface, free of imperfections or debris. Always use straight boards. Check for square after each step. Always predrill holes before attaching with screws. Use glue with finish nails for a stronger hold. Wipe excess glue off bare wood for stained projects, as dried glue will not take stain. Be safe, have fun, and ask for help if you need it. Good luck!
Have your plywood ripped into 3 strips 15 3/4" wide by 8 feet long. It is very important that the rips are this width, as the door is set to this width and will not fit right if your rips are off. If you are building multiple units or this entire set, please read Gina's post for a cutting diagram and plan your cuts to conserve plywood.
Once you have the pieces ripped and cut, if you are using shelf pins, drill them now. It's much easier than later on. Then attach top shelf and bottom shelf as shown in diagram above.
Next add the bottom supports. This helps to square things up and just looks nice.
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Add top supports as well.
Attach back with finish nails at least 1" long and glue. Nail to all plywood edges.
Fit your shelves. The shelves are intentionally 1/4" less in width than interior for easy placement. You can alternatively support shelves with 1x2 boards as shown in diagram above.
For hooks, add a 1x3 board to support hooks on top inside.
Cut decorative lines in door face. Sand and fit in opening. Attach with hinges, leaving an even gap around all sides of the door.