1. review photos
2. review plans
3. make a part model of the radial gates (the members can be either drawn as beams or as rectangular blocks with same measurement. also the gate face can be just ablock shape as long as it has the same measurements.
4. draw the canal with the shape of the major components shown in the plans
dont draw things like windows, doors, fences, drains access hatches etc - just the major shapes like stairs side of canal, building envelope abutments etc
part files and an assembly file
plus general arrangement drawings with for instance a plan view on 1 whole page, an iso view from 1 direction A on 1 whole page,an alternative iso view on a whole page and some sections - all 1 section per page.