Tools and materials
Hand saw, jigsaw or chop saw, drill and bits.
Two 8ft lengths of 98x38mm construction timber. Four 8ft lengths of 63x38mm construction timber. 1/8th of a sheet of 18mm plywood or similar, plus a few small offcuts of plywood.
Nine M10x150mm coach bolts with nuts and washers. Three pairs of 75mm butt hinges and screws. A few each of 4-inch and 2-inch woodscrews. A pair of M6x60 bolts with wingnuts.
Approximately 0.5l of preservative wood stain.